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-rw-r--r--src/bootchart/bootchart.c237
-rw-r--r--src/bootchart/bootchart.conf7
-rw-r--r--src/bootchart/bootchart.h20
-rw-r--r--src/bootchart/store.c219
-rw-r--r--src/bootchart/store.h10
-rw-r--r--src/bootchart/svg.c855
-rw-r--r--src/bootchart/svg.h12
7 files changed, 693 insertions, 667 deletions
diff --git a/src/bootchart/bootchart.c b/src/bootchart/bootchart.c
index 64a384bacf..45fab92598 100644
--- a/src/bootchart/bootchart.c
+++ b/src/bootchart/bootchart.c
@@ -33,10 +33,7 @@
***/
-#include <sys/time.h>
-#include <sys/types.h>
#include <sys/resource.h>
-#include <sys/stat.h>
#include <stdio.h>
#include <signal.h>
#include <stdlib.h>
@@ -61,47 +58,33 @@
#include "bootchart.h"
#include "list.h"
-double graph_start;
-double log_start;
-struct ps_struct *ps_first;
-int pscount;
-int cpus;
-double interval;
-FILE *of = NULL;
-int overrun = 0;
static int exiting = 0;
-int sysfd=-1;
#define DEFAULT_SAMPLES_LEN 500
#define DEFAULT_HZ 25.0
#define DEFAULT_SCALE_X 100.0 /* 100px = 1sec */
#define DEFAULT_SCALE_Y 20.0 /* 16px = 1 process bar */
-#define DEFAULT_INIT ROOTLIBDIR "/systemd/systemd"
+#define DEFAULT_INIT ROOTLIBEXECDIR "/systemd"
#define DEFAULT_OUTPUT "/run/log"
/* graph defaults */
bool arg_entropy = false;
-bool initcall = true;
+bool arg_initcall = true;
bool arg_relative = false;
bool arg_filter = true;
bool arg_show_cmdline = false;
bool arg_show_cgroup = false;
bool arg_pss = false;
bool arg_percpu = false;
-int samples;
int arg_samples_len = DEFAULT_SAMPLES_LEN; /* we record len+1 (1 start sample) */
double arg_hz = DEFAULT_HZ;
double arg_scale_x = DEFAULT_SCALE_X;
double arg_scale_y = DEFAULT_SCALE_Y;
-static struct list_sample_data *sampledata;
-struct list_sample_data *head;
char arg_init_path[PATH_MAX] = DEFAULT_INIT;
char arg_output_path[PATH_MAX] = DEFAULT_OUTPUT;
static void signal_handler(int sig) {
- if (sig++)
- sig--;
exiting = 1;
}
@@ -138,31 +121,30 @@ static void parse_conf(void) {
}
static void help(void) {
- fprintf(stdout,
- "Usage: %s [OPTIONS]\n\n"
- "Options:\n"
- " -r, --rel Record time relative to recording\n"
- " -f, --freq=FREQ Sample frequency [%g]\n"
- " -n, --samples=N Stop sampling at [%d] samples\n"
- " -x, --scale-x=N Scale the graph horizontally [%g] \n"
- " -y, --scale-y=N Scale the graph vertically [%g] \n"
- " -p, --pss Enable PSS graph (CPU intensive)\n"
- " -e, --entropy Enable the entropy_avail graph\n"
- " -o, --output=PATH Path to output files [%s]\n"
- " -i, --init=PATH Path to init executable [%s]\n"
- " -F, --no-filter Disable filtering of unimportant or ephemeral processes\n"
- " -C, --cmdline Display full command lines with arguments\n"
- " -c, --control-group Display process control group\n"
- " --per-cpu Draw each CPU utilization and wait bar also\n"
- " -h, --help Display this message\n\n"
- "See bootchart.conf for more information.\n",
- program_invocation_short_name,
- DEFAULT_HZ,
- DEFAULT_SAMPLES_LEN,
- DEFAULT_SCALE_X,
- DEFAULT_SCALE_Y,
- DEFAULT_OUTPUT,
- DEFAULT_INIT);
+ printf("Usage: %s [OPTIONS]\n\n"
+ "Options:\n"
+ " -r --rel Record time relative to recording\n"
+ " -f --freq=FREQ Sample frequency [%g]\n"
+ " -n --samples=N Stop sampling at [%d] samples\n"
+ " -x --scale-x=N Scale the graph horizontally [%g] \n"
+ " -y --scale-y=N Scale the graph vertically [%g] \n"
+ " -p --pss Enable PSS graph (CPU intensive)\n"
+ " -e --entropy Enable the entropy_avail graph\n"
+ " -o --output=PATH Path to output files [%s]\n"
+ " -i --init=PATH Path to init executable [%s]\n"
+ " -F --no-filter Disable filtering of unimportant or ephemeral processes\n"
+ " -C --cmdline Display full command lines with arguments\n"
+ " -c --control-group Display process control group\n"
+ " --per-cpu Draw each CPU utilization and wait bar also\n"
+ " -h --help Display this message\n\n"
+ "See bootchart.conf for more information.\n",
+ program_invocation_short_name,
+ DEFAULT_HZ,
+ DEFAULT_SAMPLES_LEN,
+ DEFAULT_SCALE_X,
+ DEFAULT_SCALE_Y,
+ DEFAULT_OUTPUT,
+ DEFAULT_INIT);
}
static int parse_argv(int argc, char *argv[]) {
@@ -269,43 +251,41 @@ static int parse_argv(int argc, char *argv[]) {
return 1;
}
-static void do_journal_append(char *file) {
+static int do_journal_append(char *file) {
+ _cleanup_free_ char *bootchart_message = NULL;
+ _cleanup_free_ char *bootchart_file = NULL;
+ _cleanup_free_ char *p = NULL;
+ _cleanup_close_ int fd = -1;
struct iovec iovec[5];
- int r, f, j = 0;
+ int r, j = 0;
ssize_t n;
- _cleanup_free_ char *bootchart_file = NULL, *bootchart_message = NULL,
- *p = NULL;
bootchart_file = strappend("BOOTCHART_FILE=", file);
- if (bootchart_file)
- IOVEC_SET_STRING(iovec[j++], bootchart_file);
+ if (!bootchart_file)
+ return log_oom();
+ IOVEC_SET_STRING(iovec[j++], bootchart_file);
IOVEC_SET_STRING(iovec[j++], "MESSAGE_ID=9f26aa562cf440c2b16c773d0479b518");
IOVEC_SET_STRING(iovec[j++], "PRIORITY=7");
bootchart_message = strjoin("MESSAGE=Bootchart created: ", file, NULL);
- if (bootchart_message)
- IOVEC_SET_STRING(iovec[j++], bootchart_message);
+ if (!bootchart_message)
+ return log_oom();
- p = malloc(9 + BOOTCHART_MAX);
- if (!p) {
- log_oom();
- return;
- }
+ IOVEC_SET_STRING(iovec[j++], bootchart_message);
+
+ p = malloc(10 + BOOTCHART_MAX);
+ if (!p)
+ return log_oom();
memcpy(p, "BOOTCHART=", 10);
- f = open(file, O_RDONLY|O_CLOEXEC);
- if (f < 0) {
- log_error_errno(errno, "Failed to read bootchart data: %m");
- return;
- }
- n = loop_read(f, p + 10, BOOTCHART_MAX, false);
- if (n < 0) {
- log_error_errno(n, "Failed to read bootchart data: %m");
- close(f);
- return;
- }
- close(f);
+ fd = open(file, O_RDONLY|O_CLOEXEC);
+ if (fd < 0)
+ return log_error_errno(errno, "Failed to open bootchart data \"%s\": %m", file);
+
+ n = loop_read(fd, p + 10, BOOTCHART_MAX, false);
+ if (n < 0)
+ return log_error_errno(n, "Failed to read bootchart data: %m");
iovec[j].iov_base = p;
iovec[j].iov_len = 10 + n;
@@ -314,26 +294,42 @@ static void do_journal_append(char *file) {
r = sd_journal_sendv(iovec, j);
if (r < 0)
log_error_errno(r, "Failed to send bootchart: %m");
+
+ return 0;
}
int main(int argc, char *argv[]) {
+ static struct list_sample_data *sampledata;
+ _cleanup_closedir_ DIR *proc = NULL;
_cleanup_free_ char *build = NULL;
- struct sigaction sig = {
- .sa_handler = signal_handler,
- };
- struct ps_struct *ps;
+ _cleanup_fclose_ FILE *of = NULL;
+ _cleanup_close_ int sysfd = -1;
+ struct ps_struct *ps_first;
+ double graph_start;
+ double log_start;
+ double interval;
char output_file[PATH_MAX];
char datestr[200];
+ int pscount = 0;
+ int n_cpus = 0;
+ int overrun = 0;
time_t t = 0;
- int r;
+ int r, samples;
+ struct ps_struct *ps;
struct rlimit rlim;
- bool has_procfs = false;
+ struct list_sample_data *head;
+ struct sigaction sig = {
+ .sa_handler = signal_handler,
+ };
parse_conf();
r = parse_argv(argc, argv);
- if (r <= 0)
- return r == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
+ if (r < 0)
+ return EXIT_FAILURE;
+
+ if (r == 0)
+ return EXIT_SUCCESS;
/*
* If the kernel executed us through init=/usr/lib/systemd/systemd-bootchart, then
@@ -365,17 +361,25 @@ int main(int argc, char *argv[]) {
interval = (1.0 / arg_hz) * 1000000000.0;
- log_uptime();
+ if (arg_relative)
+ graph_start = log_start = gettime_ns();
+ else {
+ struct timespec n;
+ double uptime;
- if (graph_start < 0.0) {
- fprintf(stderr,
- "Failed to setup graph start time.\n\nThe system uptime "
- "probably includes time that the system was suspended. "
- "Use --rel to bypass this issue.\n");
- exit (EXIT_FAILURE);
+ clock_gettime(CLOCK_BOOTTIME, &n);
+ uptime = (n.tv_sec + (n.tv_nsec / (double) NSEC_PER_SEC));
+
+ log_start = gettime_ns();
+ graph_start = log_start - uptime;
}
- has_procfs = access("/proc/vmstat", F_OK) == 0;
+ if (graph_start < 0.0) {
+ log_error("Failed to setup graph start time.\n\n"
+ "The system uptime probably includes time that the system was suspended. "
+ "Use --rel to bypass this issue.");
+ return EXIT_FAILURE;
+ }
LIST_HEAD_INIT(head);
@@ -398,15 +402,6 @@ int main(int argc, char *argv[]) {
sampledata->sampletime = gettime_ns();
sampledata->counter = samples;
- if (!of && (access(arg_output_path, R_OK|W_OK|X_OK) == 0)) {
- t = time(NULL);
- r = strftime(datestr, sizeof(datestr), "%Y%m%d-%H%M", localtime(&t));
- assert_se(r > 0);
-
- snprintf(output_file, PATH_MAX, "%s/bootchart-%s.svg", arg_output_path, datestr);
- of = fopen(output_file, "we");
- }
-
if (sysfd < 0)
sysfd = open("/sys", O_RDONLY|O_CLOEXEC);
@@ -415,11 +410,17 @@ int main(int argc, char *argv[]) {
parse_env_file("/usr/lib/os-release", NEWLINE, "PRETTY_NAME", &build, NULL);
}
- if (has_procfs)
- log_sample(samples, &sampledata);
+ if (proc)
+ rewinddir(proc);
else
- /* wait for /proc to become available, discarding samples */
- has_procfs = access("/proc/vmstat", F_OK) == 0;
+ proc = opendir("/proc");
+
+ /* wait for /proc to become available, discarding samples */
+ if (proc) {
+ r = log_sample(proc, samples, ps_first, &sampledata, &pscount, &n_cpus);
+ if (r < 0)
+ return EXIT_FAILURE;
+ }
sample_stop = gettime_ns();
@@ -446,7 +447,7 @@ int main(int argc, char *argv[]) {
break;
}
log_error_errno(errno, "nanosleep() failed: %m");
- exit(EXIT_FAILURE);
+ return EXIT_FAILURE;
}
} else {
overrun++;
@@ -460,12 +461,12 @@ int main(int argc, char *argv[]) {
ps = ps_first;
while (ps->next_ps) {
ps = ps->next_ps;
- if (ps->schedstat)
- close(ps->schedstat);
- if (ps->sched)
- close(ps->sched);
- if (ps->smaps)
+ ps->schedstat = safe_close(ps->schedstat);
+ ps->sched = safe_close(ps->sched);
+ if (ps->smaps) {
fclose(ps->smaps);
+ ps->smaps = NULL;
+ }
}
if (!of) {
@@ -478,22 +479,24 @@ int main(int argc, char *argv[]) {
}
if (!of) {
- fprintf(stderr, "opening output file '%s': %m\n", output_file);
- exit (EXIT_FAILURE);
+ log_error("Error opening output file '%s': %m\n", output_file);
+ return EXIT_FAILURE;
}
- svg_do(strna(build));
-
- fprintf(stderr, "systemd-bootchart wrote %s\n", output_file);
+ r = svg_do(of, strna(build), head, ps_first,
+ samples, pscount, n_cpus, graph_start,
+ log_start, interval, overrun);
- do_journal_append(output_file);
+ if (r < 0) {
+ log_error_errno(r, "Error generating svg file: %m");
+ return EXIT_FAILURE;
+ }
- if (of)
- fclose(of);
+ log_info("systemd-bootchart wrote %s\n", output_file);
- closedir(proc);
- if (sysfd >= 0)
- close(sysfd);
+ r = do_journal_append(output_file);
+ if (r < 0)
+ return EXIT_FAILURE;
/* nitpic cleanups */
ps = ps_first->next_ps;
@@ -513,6 +516,7 @@ int main(int argc, char *argv[]) {
free(old->sample);
free(old);
}
+
free(ps->cgroup);
free(ps->sample);
free(ps);
@@ -524,9 +528,10 @@ int main(int argc, char *argv[]) {
free(old_sampledata);
}
free(sampledata);
+
/* don't complain when overrun once, happens most commonly on 1st sample */
if (overrun > 1)
- fprintf(stderr, "systemd-boochart: Warning: sample time overrun %i times\n", overrun);
+ log_warning("systemd-boochart: sample time overrun %i times\n", overrun);
return 0;
}
diff --git a/src/bootchart/bootchart.conf b/src/bootchart/bootchart.conf
index 2d7cb61217..4f5e50936e 100644
--- a/src/bootchart/bootchart.conf
+++ b/src/bootchart/bootchart.conf
@@ -5,10 +5,11 @@
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
-# You can override the directives in this file by creating files in
-# /etc/systemd/bootchart.conf.d/*.conf.
+# Entries in this file show the compile time defaults.
+# You can change settings by editing this file.
+# Defaults can be restored by simply deleting this file.
#
-# See bootchart.conf(5) for details
+# See bootchart.conf(5) for details.
[Bootchart]
#Samples=500
diff --git a/src/bootchart/bootchart.h b/src/bootchart/bootchart.h
index 26de0dd9f8..bdb4b00199 100644
--- a/src/bootchart/bootchart.h
+++ b/src/bootchart/bootchart.h
@@ -24,7 +24,6 @@
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-#include <dirent.h>
#include <stdbool.h>
#include "list.h"
@@ -104,14 +103,6 @@ struct ps_struct {
struct ps_sched_struct *sample;
};
-extern int entropy_avail[];
-
-extern double graph_start;
-extern double log_start;
-extern double sampletime[];
-extern struct ps_struct *ps_first;
-extern struct block_stat_struct blockstat[];
-extern int pscount;
extern bool arg_relative;
extern bool arg_filter;
extern bool arg_show_cmdline;
@@ -119,18 +110,11 @@ extern bool arg_show_cgroup;
extern bool arg_pss;
extern bool arg_entropy;
extern bool arg_percpu;
-extern bool initcall;
-extern int samples;
-extern int cpus;
-extern int arg_samples_len;
+extern bool arg_initcall;
+extern int arg_samples_len;
extern double arg_hz;
extern double arg_scale_x;
extern double arg_scale_y;
-extern int overrun;
-extern double interval;
extern char arg_output_path[PATH_MAX];
extern char arg_init_path[PATH_MAX];
-
-extern FILE *of;
-extern int sysfd;
diff --git a/src/bootchart/store.c b/src/bootchart/store.c
index a66387c304..f159cbafe2 100644
--- a/src/bootchart/store.c
+++ b/src/bootchart/store.c
@@ -25,8 +25,6 @@
#include <unistd.h>
#include <stdlib.h>
#include <limits.h>
-#include <sys/types.h>
-#include <sys/stat.h>
#include <stdio.h>
#include <string.h>
#include <dirent.h>
@@ -47,8 +45,6 @@
*/
static char smaps_buf[4096];
static int skip = 0;
-DIR *proc;
-int procfd = -1;
double gettime_ns(void) {
struct timespec n;
@@ -58,24 +54,6 @@ double gettime_ns(void) {
return (n.tv_sec + (n.tv_nsec / (double) NSEC_PER_SEC));
}
-static double gettime_up(void) {
- struct timespec n;
-
- clock_gettime(CLOCK_BOOTTIME, &n);
- return (n.tv_sec + (n.tv_nsec / (double) NSEC_PER_SEC));
-}
-
-void log_uptime(void) {
- if (arg_relative)
- graph_start = log_start = gettime_ns();
- else {
- double uptime = gettime_up();
-
- log_start = gettime_ns();
- graph_start = log_start - uptime;
- }
-}
-
static char *bufgetline(char *buf) {
char *c;
@@ -85,16 +63,17 @@ static char *bufgetline(char *buf) {
c = strchr(buf, '\n');
if (c)
c++;
+
return c;
}
-static int pid_cmdline_strscpy(char *buffer, size_t buf_len, int pid) {
+static int pid_cmdline_strscpy(int procfd, char *buffer, size_t buf_len, int pid) {
char filename[PATH_MAX];
- _cleanup_close_ int fd=-1;
+ _cleanup_close_ int fd = -1;
ssize_t n;
sprintf(filename, "%d/cmdline", pid);
- fd = openat(procfd, filename, O_RDONLY);
+ fd = openat(procfd, filename, O_RDONLY|O_CLOEXEC);
if (fd < 0)
return -errno;
@@ -106,12 +85,19 @@ static int pid_cmdline_strscpy(char *buffer, size_t buf_len, int pid) {
buffer[i] = ' ';
buffer[n] = '\0';
}
+
return 0;
}
-void log_sample(int sample, struct list_sample_data **ptr) {
- static int vmstat;
- static int schedstat;
+int log_sample(DIR *proc,
+ int sample,
+ struct ps_struct *ps_first,
+ struct list_sample_data **ptr,
+ int *pscount,
+ int *cpus) {
+
+ static int vmstat = -1;
+ static int schedstat = -1;
char buf[4096];
char key[256];
char val[256];
@@ -121,41 +107,36 @@ void log_sample(int sample, struct list_sample_data **ptr) {
int c;
int p;
int mod;
- static int e_fd;
+ static int e_fd = -1;
ssize_t s;
ssize_t n;
struct dirent *ent;
int fd;
struct list_sample_data *sampledata;
struct ps_sched_struct *ps_prev = NULL;
+ int procfd;
sampledata = *ptr;
- /* all the per-process stuff goes here */
- if (!proc) {
- /* find all processes */
- proc = opendir("/proc");
- if (!proc)
- return;
- procfd = dirfd(proc);
- } else {
- rewinddir(proc);
- }
+ procfd = dirfd(proc);
+ if (procfd < 0)
+ return -errno;
- if (!vmstat) {
+ if (vmstat < 0) {
/* block stuff */
- vmstat = openat(procfd, "vmstat", O_RDONLY);
- if (vmstat == -1) {
- log_error_errno(errno, "Failed to open /proc/vmstat: %m");
- exit(EXIT_FAILURE);
- }
+ vmstat = openat(procfd, "vmstat", O_RDONLY|O_CLOEXEC);
+ if (vmstat < 0)
+ return log_error_errno(errno, "Failed to open /proc/vmstat: %m");
}
n = pread(vmstat, buf, sizeof(buf) - 1, 0);
if (n <= 0) {
- close(vmstat);
- return;
+ vmstat = safe_close(vmstat);
+ if (n < 0)
+ return -errno;
+ return -ENODATA;
}
+
buf[n] = '\0';
m = buf;
@@ -174,20 +155,21 @@ vmstat_next:
break;
}
- if (!schedstat) {
+ if (schedstat < 0) {
/* overall CPU utilization */
- schedstat = openat(procfd, "schedstat", O_RDONLY);
- if (schedstat == -1) {
- log_error_errno(errno, "Failed to open /proc/schedstat: %m");
- exit(EXIT_FAILURE);
- }
+ schedstat = openat(procfd, "schedstat", O_RDONLY|O_CLOEXEC);
+ if (schedstat < 0)
+ return log_error_errno(errno, "Failed to open /proc/schedstat (requires CONFIG_SCHEDSTATS=y in kernel config): %m");
}
n = pread(schedstat, buf, sizeof(buf) - 1, 0);
if (n <= 0) {
- close(schedstat);
- return;
+ schedstat = safe_close(schedstat);
+ if (n < 0)
+ return -errno;
+ return -ENODATA;
}
+
buf[n] = '\0';
m = buf;
@@ -205,8 +187,8 @@ vmstat_next:
sampledata->runtime[c] = atoll(rt);
sampledata->waittime[c] = atoll(wt);
- if (c == cpus)
- cpus = c + 1;
+ if (c == *cpus)
+ *cpus = c + 1;
}
schedstat_next:
m = bufgetline(m);
@@ -215,16 +197,18 @@ schedstat_next:
}
if (arg_entropy) {
- if (!e_fd) {
- e_fd = openat(procfd, "sys/kernel/random/entropy_avail", O_RDONLY);
+ if (e_fd < 0) {
+ e_fd = openat(procfd, "sys/kernel/random/entropy_avail", O_RDONLY|O_CLOEXEC);
+ if (e_fd < 0)
+ return log_error_errno(errno, "Failed to open /proc/sys/kernel/random/entropy_avail: %m");
}
- if (e_fd) {
- n = pread(e_fd, buf, sizeof(buf) - 1, 0);
- if (n > 0) {
- buf[n] = '\0';
- sampledata->entropy_avail = atoi(buf);
- }
+ n = pread(e_fd, buf, sizeof(buf) - 1, 0);
+ if (n <= 0) {
+ e_fd = safe_close(e_fd);
+ } else {
+ buf[n] = '\0';
+ sampledata->entropy_avail = atoi(buf);
}
}
@@ -256,21 +240,21 @@ schedstat_next:
int r;
ps->next_ps = new0(struct ps_struct, 1);
- if (!ps->next_ps) {
- log_oom();
- exit (EXIT_FAILURE);
- }
+ if (!ps->next_ps)
+ return log_oom();
+
ps = ps->next_ps;
ps->pid = pid;
+ ps->sched = -1;
+ ps->schedstat = -1;
ps->sample = new0(struct ps_sched_struct, 1);
- if (!ps->sample) {
- log_oom();
- exit (EXIT_FAILURE);
- }
+ if (!ps->sample)
+ return log_oom();
+
ps->sample->sampledata = sampledata;
- pscount++;
+ (*pscount)++;
/* mark our first sample */
ps->first = ps->last = ps->sample;
@@ -278,16 +262,16 @@ schedstat_next:
ps->sample->waittime = atoll(wt);
/* get name, start time */
- if (!ps->sched) {
+ if (ps->sched < 0) {
sprintf(filename, "%d/sched", pid);
- ps->sched = openat(procfd, filename, O_RDONLY);
- if (ps->sched == -1)
+ ps->sched = openat(procfd, filename, O_RDONLY|O_CLOEXEC);
+ if (ps->sched < 0)
continue;
}
s = pread(ps->sched, buf, sizeof(buf) - 1, 0);
if (s <= 0) {
- close(ps->sched);
+ ps->sched = safe_close(ps->sched);
continue;
}
buf[s] = '\0';
@@ -299,7 +283,7 @@ schedstat_next:
/* cmdline */
if (arg_show_cmdline)
- pid_cmdline_strscpy(ps->name, sizeof(ps->name), pid);
+ pid_cmdline_strscpy(procfd, ps->name, sizeof(ps->name), pid);
/* discard line 2 */
m = bufgetline(buf);
@@ -326,13 +310,19 @@ schedstat_next:
/* ppid */
sprintf(filename, "%d/stat", pid);
- fd = openat(procfd, filename, O_RDONLY);
- st = fdopen(fd, "r");
- if (!st)
+ fd = openat(procfd, filename, O_RDONLY|O_CLOEXEC);
+ if (fd < 0)
continue;
- if (!fscanf(st, "%*s %*s %*s %i", &p)) {
+
+ st = fdopen(fd, "re");
+ if (!st) {
+ close(fd);
continue;
}
+
+ if (!fscanf(st, "%*s %*s %*s %i", &p))
+ continue;
+
ps->ppid = p;
/*
@@ -369,6 +359,7 @@ schedstat_next:
children = parent->children;
while (children->next)
children = children->next;
+
children->next = ps;
}
}
@@ -379,32 +370,31 @@ schedstat_next:
* iteration */
/* rt, wt */
- if (!ps->schedstat) {
+ if (ps->schedstat < 0) {
sprintf(filename, "%d/schedstat", pid);
- ps->schedstat = openat(procfd, filename, O_RDONLY);
- if (ps->schedstat == -1)
+ ps->schedstat = openat(procfd, filename, O_RDONLY|O_CLOEXEC);
+ if (ps->schedstat < 0)
continue;
}
+
s = pread(ps->schedstat, buf, sizeof(buf) - 1, 0);
if (s <= 0) {
/* clean up our file descriptors - assume that the process exited */
close(ps->schedstat);
- if (ps->sched)
- close(ps->sched);
- //if (ps->smaps)
- // fclose(ps->smaps);
+ ps->schedstat = -1;
+ ps->sched = safe_close(ps->sched);
continue;
}
+
buf[s] = '\0';
if (!sscanf(buf, "%s %s %*s", rt, wt))
continue;
ps->sample->next = new0(struct ps_sched_struct, 1);
- if (!ps->sample->next) {
- log_oom();
- exit(EXIT_FAILURE);
- }
+ if (!ps->sample->next)
+ return log_oom();
+
ps->sample->next->prev = ps->sample;
ps->sample = ps->sample->next;
ps->last = ps->sample;
@@ -412,9 +402,9 @@ schedstat_next:
ps->sample->waittime = atoll(wt);
ps->sample->sampledata = sampledata;
ps->sample->ps_new = ps;
- if (ps_prev) {
+ if (ps_prev)
ps_prev->cross = ps->sample;
- }
+
ps_prev = ps->sample;
ps->total = (ps->last->runtime - ps->first->runtime)
/ 1000000000.0;
@@ -425,15 +415,19 @@ schedstat_next:
/* Pss */
if (!ps->smaps) {
sprintf(filename, "%d/smaps", pid);
- fd = openat(procfd, filename, O_RDONLY);
- ps->smaps = fdopen(fd, "r");
- if (!ps->smaps)
+ fd = openat(procfd, filename, O_RDONLY|O_CLOEXEC);
+ if (fd < 0)
+ continue;
+ ps->smaps = fdopen(fd, "re");
+ if (!ps->smaps) {
+ close(fd);
continue;
+ }
setvbuf(ps->smaps, smaps_buf, _IOFBF, sizeof(smaps_buf));
- }
- else {
+ } else {
rewind(ps->smaps);
}
+
/* test to see if we need to skip another field */
if (skip == 0) {
if (fgets(buf, sizeof(buf), ps->smaps) == NULL) {
@@ -450,6 +444,7 @@ schedstat_next:
}
rewind(ps->smaps);
}
+
while (1) {
int pss_kb;
@@ -470,32 +465,32 @@ schedstat_next:
break;
}
}
+
if (ps->sample->pss > ps->pss_max)
ps->pss_max = ps->sample->pss;
catch_rename:
/* catch process rename, try to randomize time */
mod = (arg_hz < 4.0) ? 4.0 : (arg_hz / 4.0);
- if (((samples - ps->pid) + pid) % (int)(mod) == 0) {
+ if (((sample - ps->pid) + pid) % (int)(mod) == 0) {
/* re-fetch name */
/* get name, start time */
- if (!ps->sched) {
+ if (ps->sched < 0) {
sprintf(filename, "%d/sched", pid);
- ps->sched = openat(procfd, filename, O_RDONLY);
- if (ps->sched == -1)
+ ps->sched = openat(procfd, filename, O_RDONLY|O_CLOEXEC);
+ if (ps->sched < 0)
continue;
}
+
s = pread(ps->sched, buf, sizeof(buf) - 1, 0);
if (s <= 0) {
/* clean up file descriptors */
- close(ps->sched);
- if (ps->schedstat)
- close(ps->schedstat);
- //if (ps->smaps)
- // fclose(ps->smaps);
+ ps->sched = safe_close(ps->sched);
+ ps->schedstat = safe_close(ps->schedstat);
continue;
}
+
buf[s] = '\0';
if (!sscanf(buf, "%s %*s %*s", key))
@@ -505,7 +500,9 @@ catch_rename:
/* cmdline */
if (arg_show_cmdline)
- pid_cmdline_strscpy(ps->name, sizeof(ps->name), pid);
+ pid_cmdline_strscpy(procfd, ps->name, sizeof(ps->name), pid);
}
}
+
+ return 0;
}
diff --git a/src/bootchart/store.h b/src/bootchart/store.h
index f211b6f53b..bbb4796efd 100644
--- a/src/bootchart/store.h
+++ b/src/bootchart/store.h
@@ -27,9 +27,11 @@
#include <dirent.h>
#include "bootchart.h"
-extern DIR *proc;
-extern int procfd;
-
double gettime_ns(void);
void log_uptime(void);
-void log_sample(int sample, struct list_sample_data **ptr);
+int log_sample(DIR *proc,
+ int sample,
+ struct ps_struct *ps_first,
+ struct list_sample_data **ptr,
+ int *pscount,
+ int *cpus);
diff --git a/src/bootchart/svg.c b/src/bootchart/svg.c
index e111fa9cce..0132475e10 100644
--- a/src/bootchart/svg.c
+++ b/src/bootchart/svg.c
@@ -23,17 +23,15 @@
***/
#include <stdio.h>
-#include <stdarg.h>
-#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <limits.h>
#include <unistd.h>
#include <sys/utsname.h>
-#include <sys/stat.h>
#include <fcntl.h>
#include "util.h"
+#include "fileio.h"
#include "macro.h"
#include "store.h"
#include "svg.h"
@@ -46,10 +44,6 @@
#define kb_to_graph(m) ((m) * arg_scale_y * 0.0001)
#define to_color(n) (192.0 - ((n) * 192.0))
-static char str[8092];
-
-#define svg(a...) do { snprintf(str, 8092, ## a); fputs(str, of); fflush(of); } while (0)
-
static const char * const colorwheel[12] = {
"rgb(255,32,32)", // red
"rgb(32,192,192)", // cyan
@@ -74,9 +68,8 @@ static double ksize = 0;
static double esize = 0;
static struct list_sample_data *sampledata;
static struct list_sample_data *prev_sampledata;
-extern struct list_sample_data *head;
-static void svg_header(void) {
+static void svg_header(FILE *of, struct list_sample_data *head, double graph_start) {
double w;
double h;
struct list_sample_data *sampledata_last;
@@ -99,101 +92,97 @@ static void svg_header(void) {
+ (arg_pss ? (100.0 * arg_scale_y) + (arg_scale_y * 7.0) : 0.0) /* pss estimate */
+ psize + ksize + esize;
- svg("<?xml version=\"1.0\" standalone=\"no\"?>\n");
- svg("<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" ");
- svg("\"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
+ fprintf(of, "<?xml version=\"1.0\" standalone=\"no\"?>\n");
+ fprintf(of, "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" ");
+ fprintf(of, "\"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
- //svg("<g transform=\"translate(10,%d)\">\n", 1000 + 150 + (pcount * 20));
- svg("<svg width=\"%.0fpx\" height=\"%.0fpx\" version=\"1.1\" ",
- w, h);
- svg("xmlns=\"http://www.w3.org/2000/svg\">\n\n");
+ //fprintf(of, "<g transform=\"translate(10,%d)\">\n", 1000 + 150 + (pcount * 20));
+ fprintf(of, "<svg width=\"%.0fpx\" height=\"%.0fpx\" version=\"1.1\" ", w, h);
+ fprintf(of, "xmlns=\"http://www.w3.org/2000/svg\">\n\n");
/* write some basic info as a comment, including some help */
- svg("<!-- This file is a bootchart SVG file. It is best rendered in a browser -->\n");
- svg("<!-- such as Chrome, Chromium, or Firefox. Other applications that -->\n");
- svg("<!-- render these files properly but more slowly are ImageMagick, gimp, -->\n");
- svg("<!-- inkscape, etc. To display the files on your system, just point -->\n");
- svg("<!-- your browser to file:///run/log/ and click. This bootchart was -->\n\n");
-
- svg("<!-- generated by bootchart version %s, running with options: -->\n", VERSION);
- svg("<!-- hz=\"%f\" n=\"%d\" -->\n", arg_hz, arg_samples_len);
- svg("<!-- x=\"%f\" y=\"%f\" -->\n", arg_scale_x, arg_scale_y);
- svg("<!-- rel=\"%d\" f=\"%d\" -->\n", arg_relative, arg_filter);
- svg("<!-- p=\"%d\" e=\"%d\" -->\n", arg_pss, arg_entropy);
- svg("<!-- o=\"%s\" i=\"%s\" -->\n\n", arg_output_path, arg_init_path);
+ fprintf(of, "<!-- This file is a bootchart SVG file. It is best rendered in a browser -->\n");
+ fprintf(of, "<!-- such as Chrome, Chromium, or Firefox. Other applications that -->\n");
+ fprintf(of, "<!-- render these files properly but more slowly are ImageMagick, gimp, -->\n");
+ fprintf(of, "<!-- inkscape, etc. To display the files on your system, just point -->\n");
+ fprintf(of, "<!-- your browser to file:///run/log/ and click. This bootchart was -->\n\n");
+
+ fprintf(of, "<!-- generated by bootchart version %s, running with options: -->\n", VERSION);
+ fprintf(of, "<!-- hz=\"%f\" n=\"%d\" -->\n", arg_hz, arg_samples_len);
+ fprintf(of, "<!-- x=\"%f\" y=\"%f\" -->\n", arg_scale_x, arg_scale_y);
+ fprintf(of, "<!-- rel=\"%d\" f=\"%d\" -->\n", arg_relative, arg_filter);
+ fprintf(of, "<!-- p=\"%d\" e=\"%d\" -->\n", arg_pss, arg_entropy);
+ fprintf(of, "<!-- o=\"%s\" i=\"%s\" -->\n\n", arg_output_path, arg_init_path);
/* style sheet */
- svg("<defs>\n <style type=\"text/css\">\n <![CDATA[\n");
-
- svg(" rect { stroke-width: 1; }\n");
- svg(" rect.bg { fill: rgb(255,255,255); }\n");
- svg(" rect.cpu { fill: rgb(64,64,240); stroke-width: 0; fill-opacity: 0.7; }\n");
- svg(" rect.wait { fill: rgb(240,240,0); stroke-width: 0; fill-opacity: 0.7; }\n");
- svg(" rect.bi { fill: rgb(240,128,128); stroke-width: 0; fill-opacity: 0.7; }\n");
- svg(" rect.bo { fill: rgb(192,64,64); stroke-width: 0; fill-opacity: 0.7; }\n");
- svg(" rect.ps { fill: rgb(192,192,192); stroke: rgb(128,128,128); fill-opacity: 0.7; }\n");
- svg(" rect.krnl { fill: rgb(240,240,0); stroke: rgb(128,128,128); fill-opacity: 0.7; }\n");
- svg(" rect.box { fill: rgb(240,240,240); stroke: rgb(192,192,192); }\n");
- svg(" rect.clrw { stroke-width: 0; fill-opacity: 0.7;}\n");
- svg(" line { stroke: rgb(64,64,64); stroke-width: 1; }\n");
- svg("// line.sec1 { }\n");
- svg(" line.sec5 { stroke-width: 2; }\n");
- svg(" line.sec01 { stroke: rgb(224,224,224); stroke-width: 1; }\n");
- svg(" line.dot { stroke-dasharray: 2 4; }\n");
- svg(" line.idle { stroke: rgb(64,64,64); stroke-dasharray: 10 6; stroke-opacity: 0.7; }\n");
-
- svg(" .run { font-size: 8; font-style: italic; }\n");
- svg(" text { font-family: Verdana, Helvetica; font-size: 10; }\n");
- svg(" text.sec { font-size: 8; }\n");
- svg(" text.t1 { font-size: 24; }\n");
- svg(" text.t2 { font-size: 12; }\n");
- svg(" text.idle { font-size: 18; }\n");
-
- svg(" ]]>\n </style>\n</defs>\n\n");
+ fprintf(of, "<defs>\n <style type=\"text/css\">\n <![CDATA[\n");
+
+ fprintf(of, " rect { stroke-width: 1; }\n");
+ fprintf(of, " rect.bg { fill: rgb(255,255,255); }\n");
+ fprintf(of, " rect.cpu { fill: rgb(64,64,240); stroke-width: 0; fill-opacity: 0.7; }\n");
+ fprintf(of, " rect.wait { fill: rgb(240,240,0); stroke-width: 0; fill-opacity: 0.7; }\n");
+ fprintf(of, " rect.bi { fill: rgb(240,128,128); stroke-width: 0; fill-opacity: 0.7; }\n");
+ fprintf(of, " rect.bo { fill: rgb(192,64,64); stroke-width: 0; fill-opacity: 0.7; }\n");
+ fprintf(of, " rect.ps { fill: rgb(192,192,192); stroke: rgb(128,128,128); fill-opacity: 0.7; }\n");
+ fprintf(of, " rect.krnl { fill: rgb(240,240,0); stroke: rgb(128,128,128); fill-opacity: 0.7; }\n");
+ fprintf(of, " rect.box { fill: rgb(240,240,240); stroke: rgb(192,192,192); }\n");
+ fprintf(of, " rect.clrw { stroke-width: 0; fill-opacity: 0.7;}\n");
+ fprintf(of, " line { stroke: rgb(64,64,64); stroke-width: 1; }\n");
+ fprintf(of, "// line.sec1 { }\n");
+ fprintf(of, " line.sec5 { stroke-width: 2; }\n");
+ fprintf(of, " line.sec01 { stroke: rgb(224,224,224); stroke-width: 1; }\n");
+ fprintf(of, " line.dot { stroke-dasharray: 2 4; }\n");
+ fprintf(of, " line.idle { stroke: rgb(64,64,64); stroke-dasharray: 10 6; stroke-opacity: 0.7; }\n");
+
+ fprintf(of, " .run { font-size: 8; font-style: italic; }\n");
+ fprintf(of, " text { font-family: Verdana, Helvetica; font-size: 10; }\n");
+ fprintf(of, " text.sec { font-size: 8; }\n");
+ fprintf(of, " text.t1 { font-size: 24; }\n");
+ fprintf(of, " text.t2 { font-size: 12; }\n");
+ fprintf(of, " text.idle { font-size: 18; }\n");
+
+ fprintf(of, " ]]>\n </style>\n</defs>\n\n");
}
-static void svg_title(const char *build) {
- char cmdline[256] = "";
- char filename[PATH_MAX];
- char buf[256];
- char rootbdev[16] = "Unknown";
- char model[256] = "Unknown";
+static int svg_title(FILE *of, const char *build, int pscount, double log_start, int overrun) {
+ _cleanup_free_ char *cmdline = NULL;
+ _cleanup_free_ char *model = NULL;
+ _cleanup_free_ char *buf = NULL;
char date[256] = "Unknown";
- char cpu[256] = "Unknown";
+ char *cpu;
char *c;
- FILE *f;
time_t t;
- int fd, r;
+ int r;
struct utsname uts;
- /* grab /proc/cmdline */
- fd = openat(procfd, "cmdline", O_RDONLY);
- f = fdopen(fd, "r");
- if (f) {
- if (!fgets(cmdline, 255, f))
- sprintf(cmdline, "Unknown");
- fclose(f);
+ r = read_one_line_file("/proc/cmdline", &cmdline);
+ if (r < 0) {
+ log_error_errno(r, "Unable to read cmdline: %m");
+ return r;
}
/* extract root fs so we can find disk model name in sysfs */
/* FIXME: this works only in the simple case */
c = strstr(cmdline, "root=/dev/");
if (c) {
- strncpy(rootbdev, &c[10], 3);
+ char rootbdev[4];
+ char filename[32];
+
+ strncpy(rootbdev, &c[10], sizeof(rootbdev) - 1);
rootbdev[3] = '\0';
- sprintf(filename, "block/%s/device/model", rootbdev);
- fd = openat(sysfd, filename, O_RDONLY);
- f = fdopen(fd, "r");
- if (f) {
- if (!fgets(model, 255, f))
- fprintf(stderr, "Error reading disk model for %s\n", rootbdev);
- fclose(f);
- }
+ snprintf(filename, sizeof(filename), "/sys/block/%s/device/model", rootbdev);
+
+ r = read_one_line_file(filename, &model);
+ if (r < 0)
+ log_warning("Error reading disk model for %s: %m\n", rootbdev);
}
/* various utsname parameters */
- if (uname(&uts))
- fprintf(stderr, "Error getting uname info\n");
+ r = uname(&uts);
+ if (r < 0) {
+ log_error("Error getting uname info\n");
+ return -errno;
+ }
/* date */
t = time(NULL);
@@ -201,43 +190,45 @@ static void svg_title(const char *build) {
assert_se(r > 0);
/* CPU type */
- fd = openat(procfd, "cpuinfo", O_RDONLY);
- f = fdopen(fd, "r");
- if (f) {
- while (fgets(buf, 255, f)) {
- if (strstr(buf, "model name")) {
- strncpy(cpu, &buf[13], 255);
- break;
- }
- }
- fclose(f);
+ r = read_full_file("/proc/cpuinfo", &buf, NULL);
+ if (r < 0)
+ return log_error_errno(r, "Unable to read cpuinfo: %m");
+
+ cpu = strstr(buf, "model name");
+ if (!cpu) {
+ log_error("Unable to read module name from cpuinfo.\n");
+ return -ENOENT;
}
- svg("<text class=\"t1\" x=\"0\" y=\"30\">Bootchart for %s - %s</text>\n",
- uts.nodename, date);
- svg("<text class=\"t2\" x=\"20\" y=\"50\">System: %s %s %s %s</text>\n",
- uts.sysname, uts.release, uts.version, uts.machine);
- svg("<text class=\"t2\" x=\"20\" y=\"65\">CPU: %s</text>\n",
- cpu);
- svg("<text class=\"t2\" x=\"20\" y=\"80\">Disk: %s</text>\n",
- model);
- svg("<text class=\"t2\" x=\"20\" y=\"95\">Boot options: %s</text>\n",
- cmdline);
- svg("<text class=\"t2\" x=\"20\" y=\"110\">Build: %s</text>\n",
- build);
- svg("<text class=\"t2\" x=\"20\" y=\"125\">Log start time: %.03fs</text>\n", log_start);
- svg("<text class=\"t2\" x=\"20\" y=\"140\">Idle time: ");
+ cpu += 13;
+ c = strchr(cpu, '\n');
+ if (c)
+ *c = '\0';
+
+ fprintf(of, "<text class=\"t1\" x=\"0\" y=\"30\">Bootchart for %s - %s</text>\n",
+ uts.nodename, date);
+ fprintf(of, "<text class=\"t2\" x=\"20\" y=\"50\">System: %s %s %s %s</text>\n",
+ uts.sysname, uts.release, uts.version, uts.machine);
+ fprintf(of, "<text class=\"t2\" x=\"20\" y=\"65\">CPU: %s</text>\n", cpu);
+ fprintf(of, "<text class=\"t2\" x=\"20\" y=\"80\">Disk: %s</text>\n", model);
+ fprintf(of, "<text class=\"t2\" x=\"20\" y=\"95\">Boot options: %s</text>\n", cmdline);
+ fprintf(of, "<text class=\"t2\" x=\"20\" y=\"110\">Build: %s</text>\n", build);
+ fprintf(of, "<text class=\"t2\" x=\"20\" y=\"125\">Log start time: %.03fs</text>\n", log_start);
+ fprintf(of, "<text class=\"t2\" x=\"20\" y=\"140\">Idle time: ");
if (idletime >= 0.0)
- svg("%.03fs", idletime);
+ fprintf(of, "%.03fs", idletime);
else
- svg("Not detected");
- svg("</text>\n");
- svg("<text class=\"sec\" x=\"20\" y=\"155\">Graph data: %.03f samples/sec, recorded %i total, dropped %i samples, %i processes, %i filtered</text>\n",
- arg_hz, arg_samples_len, overrun, pscount, pfiltered);
+ fprintf(of, "Not detected");
+
+ fprintf(of, "</text>\n");
+ fprintf(of, "<text class=\"sec\" x=\"20\" y=\"155\">Graph data: %.03f samples/sec, recorded %i total, dropped %i samples, %i processes, %i filtered</text>\n",
+ arg_hz, arg_samples_len, overrun, pscount, pfiltered);
+
+ return 0;
}
-static void svg_graph_box(int height) {
+static void svg_graph_box(FILE *of, struct list_sample_data *head, int height, double graph_start) {
double d = 0.0;
int i = 0;
double finalsample = 0.0;
@@ -251,36 +242,35 @@ static void svg_graph_box(int height) {
finalsample = sampledata_last->sampletime;
/* outside box, fill */
- svg("<rect class=\"box\" x=\"%.03f\" y=\"0\" width=\"%.03f\" height=\"%.03f\" />\n",
- time_to_graph(0.0),
- time_to_graph(finalsample - graph_start),
- ps_to_graph(height));
+ fprintf(of, "<rect class=\"box\" x=\"%.03f\" y=\"0\" width=\"%.03f\" height=\"%.03f\" />\n",
+ time_to_graph(0.0),
+ time_to_graph(finalsample - graph_start),
+ ps_to_graph(height));
for (d = graph_start; d <= finalsample;
d += (arg_scale_x < 2.0 ? 60.0 : arg_scale_x < 10.0 ? 1.0 : 0.1)) {
/* lines for each second */
if (i % 50 == 0)
- svg(" <line class=\"sec5\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n",
- time_to_graph(d - graph_start),
- time_to_graph(d - graph_start),
- ps_to_graph(height));
+ fprintf(of, " <line class=\"sec5\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n",
+ time_to_graph(d - graph_start),
+ time_to_graph(d - graph_start),
+ ps_to_graph(height));
else if (i % 10 == 0)
- svg(" <line class=\"sec1\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n",
- time_to_graph(d - graph_start),
- time_to_graph(d - graph_start),
- ps_to_graph(height));
+ fprintf(of, " <line class=\"sec1\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n",
+ time_to_graph(d - graph_start),
+ time_to_graph(d - graph_start),
+ ps_to_graph(height));
else
- svg(" <line class=\"sec01\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n",
- time_to_graph(d - graph_start),
- time_to_graph(d - graph_start),
- ps_to_graph(height));
+ fprintf(of, " <line class=\"sec01\" x1=\"%.03f\" y1=\"0\" x2=\"%.03f\" y2=\"%.03f\" />\n",
+ time_to_graph(d - graph_start),
+ time_to_graph(d - graph_start),
+ ps_to_graph(height));
/* time label */
if (i % 10 == 0)
- svg(" <text class=\"sec\" x=\"%.03f\" y=\"%.03f\" >%.01fs</text>\n",
- time_to_graph(d - graph_start),
- -5.0,
- d - graph_start);
+ fprintf(of, " <text class=\"sec\" x=\"%.03f\" y=\"%.03f\" >%.01fs</text>\n",
+ time_to_graph(d - graph_start),
+ -5.0, d - graph_start);
i++;
}
@@ -301,7 +291,10 @@ static char* xml_comment_encode(const char* name) {
return enc_name;
}
-static void svg_pss_graph(void) {
+static void svg_pss_graph(FILE *of,
+ struct list_sample_data *head,
+ struct ps_struct *ps_first,
+ double graph_start) {
struct ps_struct *ps;
int i;
struct list_sample_data *sampledata_last;
@@ -312,24 +305,24 @@ static void svg_pss_graph(void) {
}
- svg("\n\n<!-- Pss memory size graph -->\n");
+ fprintf(of, "\n\n<!-- Pss memory size graph -->\n");
- svg("\n <text class=\"t2\" x=\"5\" y=\"-15\">Memory allocation - Pss</text>\n");
+ fprintf(of, "\n <text class=\"t2\" x=\"5\" y=\"-15\">Memory allocation - Pss</text>\n");
/* vsize 1000 == 1000mb */
- svg_graph_box(100);
+ svg_graph_box(of, head, 100, graph_start);
/* draw some hlines for usable memory sizes */
for (i = 100000; i < 1000000; i += 100000) {
- svg(" <line class=\"sec01\" x1=\"%.03f\" y1=\"%.0f\" x2=\"%.03f\" y2=\"%.0f\"/>\n",
+ fprintf(of, " <line class=\"sec01\" x1=\"%.03f\" y1=\"%.0f\" x2=\"%.03f\" y2=\"%.0f\"/>\n",
time_to_graph(.0),
kb_to_graph(i),
time_to_graph(sampledata_last->sampletime - graph_start),
kb_to_graph(i));
- svg(" <text class=\"sec\" x=\"%.03f\" y=\"%.0f\">%dM</text>\n",
- time_to_graph(sampledata_last->sampletime - graph_start) + 5,
- kb_to_graph(i), (1000000 - i) / 1000);
+ fprintf(of, " <text class=\"sec\" x=\"%.03f\" y=\"%.0f\">%dM</text>\n",
+ time_to_graph(sampledata_last->sampletime - graph_start) + 5,
+ kb_to_graph(i), (1000000 - i) / 1000);
}
- svg("\n");
+ fprintf(of, "\n");
/* now plot the graph itself */
i = 1;
@@ -368,12 +361,12 @@ static void svg_pss_graph(void) {
top += ps->sample->pss;
}
- svg(" <rect class=\"clrw\" style=\"fill: %s\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n",
- "rgb(64,64,64)",
- time_to_graph(prev_sampledata->sampletime - graph_start),
- kb_to_graph(1000000.0 - top),
- time_to_graph(sampledata->sampletime - prev_sampledata->sampletime),
- kb_to_graph(top - bottom));
+ fprintf(of, " <rect class=\"clrw\" style=\"fill: %s\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n",
+ "rgb(64,64,64)",
+ time_to_graph(prev_sampledata->sampletime - graph_start),
+ kb_to_graph(1000000.0 - top),
+ time_to_graph(sampledata->sampletime - prev_sampledata->sampletime),
+ kb_to_graph(top - bottom));
bottom = top;
/* now plot the ones that are of significant size */
@@ -389,34 +382,36 @@ static void svg_pss_graph(void) {
break;
}
/* don't draw anything smaller than 2mb */
- if (ps->sample->sampledata == sampledata) {
- if (ps->sample->pss > (100 * arg_scale_y)) {
+ if (ps->sample->sampledata != sampledata)
+ continue;
+ if (ps->sample->pss > (100 * arg_scale_y)) {
top = bottom + ps->sample->pss;
- svg(" <rect class=\"clrw\" style=\"fill: %s\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n",
- colorwheel[ps->pid % 12],
- time_to_graph(prev_sampledata->sampletime - graph_start),
- kb_to_graph(1000000.0 - top),
- time_to_graph(sampledata->sampletime - prev_sampledata->sampletime),
- kb_to_graph(top - bottom));
+ fprintf(of, " <rect class=\"clrw\" style=\"fill: %s\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n",
+ colorwheel[ps->pid % 12],
+ time_to_graph(prev_sampledata->sampletime - graph_start),
+ kb_to_graph(1000000.0 - top),
+ time_to_graph(sampledata->sampletime - prev_sampledata->sampletime),
+ kb_to_graph(top - bottom));
bottom = top;
- }
- break;
}
+ break;
}
+
while ((cross_place = ps->sample->cross)) {
ps = ps->sample->cross->ps_new;
ps->sample = cross_place;
if (ps->sample->pss > (100 * arg_scale_y)) {
top = bottom + ps->sample->pss;
- svg(" <rect class=\"clrw\" style=\"fill: %s\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n",
- colorwheel[ps->pid % 12],
- time_to_graph(prev_sampledata->sampletime - graph_start),
- kb_to_graph(1000000.0 - top),
- time_to_graph(sampledata->sampletime - prev_sampledata->sampletime),
- kb_to_graph(top - bottom));
+ fprintf(of, " <rect class=\"clrw\" style=\"fill: %s\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n",
+ colorwheel[ps->pid % 12],
+ time_to_graph(prev_sampledata->sampletime - graph_start),
+ kb_to_graph(1000000.0 - top),
+ time_to_graph(sampledata->sampletime - prev_sampledata->sampletime),
+ kb_to_graph(top - bottom));
bottom = top;
}
}
+
prev_sampledata = sampledata;
i++;
}
@@ -435,18 +430,22 @@ static void svg_pss_graph(void) {
ps = ps->next_ps;
if (!ps)
continue;
+
ps->sample = ps->first;
while (ps->sample->next) {
ps->sample = ps->sample->next;
if (ps->sample->sampledata == sampledata)
break;
}
+
if (ps->sample->sampledata == sampledata) {
if (ps->sample->pss <= (100 * arg_scale_y))
top += ps->sample->pss;
+
break;
}
}
+
while ((cross_place = ps->sample->cross)) {
ps = ps->sample->cross->ps_new;
ps->sample = cross_place;
@@ -475,11 +474,10 @@ static void svg_pss_graph(void) {
top = bottom + ps->sample->pss;
/* draw a label with the process / PID */
if ((i == 1) || (prev_sample->pss <= (100 * arg_scale_y)))
- svg(" <text x=\"%.03f\" y=\"%.03f\"><![CDATA[%s]]> [%i]</text>\n",
- time_to_graph(sampledata->sampletime - graph_start),
- kb_to_graph(1000000.0 - bottom - ((top - bottom) / 2)),
- ps->name,
- ps->pid);
+ fprintf(of, " <text x=\"%.03f\" y=\"%.03f\"><![CDATA[%s]]> [%i]</text>\n",
+ time_to_graph(sampledata->sampletime - graph_start),
+ kb_to_graph(1000000.0 - bottom - ((top - bottom) / 2)),
+ ps->name, ps->pid);
bottom = top;
}
break;
@@ -493,19 +491,19 @@ static void svg_pss_graph(void) {
top = bottom + ps->sample->pss;
/* draw a label with the process / PID */
if ((i == 1) || (prev_sample->pss <= (100 * arg_scale_y)))
- svg(" <text x=\"%.03f\" y=\"%.03f\"><![CDATA[%s]]> [%i]</text>\n",
- time_to_graph(sampledata->sampletime - graph_start),
- kb_to_graph(1000000.0 - bottom - ((top - bottom) / 2)),
- ps->name,
- ps->pid);
+ fprintf(of, " <text x=\"%.03f\" y=\"%.03f\"><![CDATA[%s]]> [%i]</text>\n",
+ time_to_graph(sampledata->sampletime - graph_start),
+ kb_to_graph(1000000.0 - bottom - ((top - bottom) / 2)),
+ ps->name, ps->pid);
bottom = top;
}
}
+
i++;
}
/* debug output - full data dump */
- svg("\n\n<!-- PSS map - csv format -->\n");
+ fprintf(of, "\n\n<!-- PSS map - csv format -->\n");
ps = ps_first;
while (ps->next_ps) {
_cleanup_free_ char *enc_name = NULL;
@@ -517,19 +515,25 @@ static void svg_pss_graph(void) {
if (!enc_name)
continue;
- svg("<!-- %s [%d] pss=", enc_name, ps->pid);
+ fprintf(of, "<!-- %s [%d] pss=", enc_name, ps->pid);
ps->sample = ps->first;
while (ps->sample->next) {
ps->sample = ps->sample->next;
- svg("%d," , ps->sample->pss);
+ fprintf(of, "%d," , ps->sample->pss);
}
- svg(" -->\n");
+
+ fprintf(of, " -->\n");
}
}
-static void svg_io_bi_bar(void) {
+static void svg_io_bi_bar(FILE *of,
+ struct list_sample_data *head,
+ int n_samples,
+ double graph_start,
+ double interval) {
+
double max = 0.0;
double range;
int max_here = 0;
@@ -538,9 +542,8 @@ static void svg_io_bi_bar(void) {
struct list_sample_data *start_sampledata;
struct list_sample_data *stop_sampledata;
- svg("<!-- IO utilization graph - In -->\n");
-
- svg("<text class=\"t2\" x=\"5\" y=\"-15\">IO utilization - read</text>\n");
+ fprintf(of, "<!-- IO utilization graph - In -->\n");
+ fprintf(of, "<text class=\"t2\" x=\"5\" y=\"-15\">IO utilization - read</text>\n");
/*
* calculate rounding range
@@ -554,7 +557,7 @@ static void svg_io_bi_bar(void) {
range = 2.0; /* no smoothing */
/* surrounding box */
- svg_graph_box(5);
+ svg_graph_box(of, head, 5, graph_start);
/* find the max IO first */
i = 1;
@@ -565,27 +568,26 @@ static void svg_io_bi_bar(void) {
double tot;
start = MAX(i - ((range / 2) - 1), 0);
- stop = MIN(i + (range / 2), samples - 1);
+ stop = MIN(i + (range / 2), n_samples - 1);
diff = (stop - start);
start_sampledata = sampledata;
stop_sampledata = sampledata;
- for (k=0;(k<((range/2)-1))&&(start_sampledata->link_next);k++)
+ for (k = 0; k < ((range/2) - 1) && start_sampledata->link_next; k++)
start_sampledata = start_sampledata->link_next;
- for (k=0;(k<(range/2))&&(stop_sampledata->link_prev);k++)
+
+ for (k = 0; k < (range/2) && stop_sampledata->link_prev; k++)
stop_sampledata = stop_sampledata->link_prev;
- tot = (double)(stop_sampledata->blockstat.bi - start_sampledata->blockstat.bi)
- / diff;
+ tot = (double)(stop_sampledata->blockstat.bi - start_sampledata->blockstat.bi) / diff;
if (tot > max) {
max = tot;
max_here = i;
}
- tot = (double)(stop_sampledata->blockstat.bo - start_sampledata->blockstat.bo)
- / diff;
+ tot = (double)(stop_sampledata->blockstat.bo - start_sampledata->blockstat.bo) / diff;
if (tot > max)
max = tot;
@@ -604,43 +606,48 @@ static void svg_io_bi_bar(void) {
double pbi = 0;
start = MAX(i - ((range / 2) - 1), 0);
- stop = MIN(i + (range / 2), samples);
+ stop = MIN(i + (range / 2), n_samples);
diff = (stop - start);
start_sampledata = sampledata;
stop_sampledata = sampledata;
- for (k=0;(k<((range/2)-1))&&(start_sampledata->link_next);k++)
+ for (k = 0; k < ((range/2)-1) && start_sampledata->link_next; k++)
start_sampledata = start_sampledata->link_next;
- for (k=0;(k<(range/2))&&(stop_sampledata->link_prev);k++)
+
+ for (k = 0; k < (range/2) && stop_sampledata->link_prev; k++)
stop_sampledata = stop_sampledata->link_prev;
- tot = (double)(stop_sampledata->blockstat.bi - start_sampledata->blockstat.bi)
- / diff;
+ tot = (double)(stop_sampledata->blockstat.bi - start_sampledata->blockstat.bi) / diff;
if (max > 0)
pbi = tot / max;
if (pbi > 0.001)
- svg("<rect class=\"bi\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n",
- time_to_graph(prev_sampledata->sampletime - graph_start),
- (arg_scale_y * 5) - (pbi * (arg_scale_y * 5)),
- time_to_graph(sampledata->sampletime - prev_sampledata->sampletime),
- pbi * (arg_scale_y * 5));
+ fprintf(of, "<rect class=\"bi\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n",
+ time_to_graph(prev_sampledata->sampletime - graph_start),
+ (arg_scale_y * 5) - (pbi * (arg_scale_y * 5)),
+ time_to_graph(sampledata->sampletime - prev_sampledata->sampletime),
+ pbi * (arg_scale_y * 5));
/* labels around highest value */
if (i == max_here) {
- svg(" <text class=\"sec\" x=\"%.03f\" y=\"%.03f\">%0.2fmb/sec</text>\n",
- time_to_graph(sampledata->sampletime - graph_start) + 5,
- ((arg_scale_y * 5) - (pbi * (arg_scale_y * 5))) + 15,
- max / 1024.0 / (interval / 1000000000.0));
+ fprintf(of, " <text class=\"sec\" x=\"%.03f\" y=\"%.03f\">%0.2fmb/sec</text>\n",
+ time_to_graph(sampledata->sampletime - graph_start) + 5,
+ ((arg_scale_y * 5) - (pbi * (arg_scale_y * 5))) + 15,
+ max / 1024.0 / (interval / 1000000000.0));
}
+
i++;
prev_sampledata = sampledata;
}
}
-static void svg_io_bo_bar(void) {
+static void svg_io_bo_bar(FILE *of,
+ struct list_sample_data *head,
+ int n_samples,
+ double graph_start,
+ double interval) {
double max = 0.0;
double range;
int max_here = 0;
@@ -649,9 +656,8 @@ static void svg_io_bo_bar(void) {
struct list_sample_data *start_sampledata;
struct list_sample_data *stop_sampledata;
- svg("<!-- IO utilization graph - out -->\n");
-
- svg("<text class=\"t2\" x=\"5\" y=\"-15\">IO utilization - write</text>\n");
+ fprintf(of, "<!-- IO utilization graph - out -->\n");
+ fprintf(of, "<text class=\"t2\" x=\"5\" y=\"-15\">IO utilization - write</text>\n");
/*
* calculate rounding range
@@ -665,7 +671,7 @@ static void svg_io_bo_bar(void) {
range = 2.0; /* no smoothing */
/* surrounding box */
- svg_graph_box(5);
+ svg_graph_box(of, head, 5, graph_start);
/* find the max IO first */
i = 0;
@@ -676,52 +682,52 @@ static void svg_io_bo_bar(void) {
double tot;
start = MAX(i - ((range / 2) - 1), 0);
- stop = MIN(i + (range / 2), samples - 1);
+ stop = MIN(i + (range / 2), n_samples - 1);
diff = (stop - start);
start_sampledata = sampledata;
stop_sampledata = sampledata;
- for (k=0;(k<((range/2)-1))&&(start_sampledata->link_next);k++)
+ for (k = 0; k < (range/2) - 1 && start_sampledata->link_next; k++)
start_sampledata = start_sampledata->link_next;
- for (k=0;(k<(range/2))&&(stop_sampledata->link_prev);k++)
+
+ for (k = 0; k < (range/2) && stop_sampledata->link_prev; k++)
stop_sampledata = stop_sampledata->link_prev;
- tot = (double)(stop_sampledata->blockstat.bi - start_sampledata->blockstat.bi)
- / diff;
+ tot = (double)(stop_sampledata->blockstat.bi - start_sampledata->blockstat.bi) / diff;
if (tot > max)
max = tot;
- tot = (double)(stop_sampledata->blockstat.bo - start_sampledata->blockstat.bo)
- / diff;
+
+ tot = (double)(stop_sampledata->blockstat.bo - start_sampledata->blockstat.bo) / diff;
if (tot > max) {
max = tot;
max_here = i;
}
+
i++;
}
/* plot bo */
prev_sampledata = head;
- i=1;
+ i = 1;
+
LIST_FOREACH_BEFORE(link, sampledata, head) {
- int start;
- int stop;
- int diff;
- double tot;
- double pbo;
+ int start, stop, diff;
+ double tot, pbo;
pbo = 0;
start = MAX(i - ((range / 2) - 1), 0);
- stop = MIN(i + (range / 2), samples);
+ stop = MIN(i + (range / 2), n_samples);
diff = (stop - start);
start_sampledata = sampledata;
stop_sampledata = sampledata;
- for (k=0;(k<((range/2)-1))&&(start_sampledata->link_next);k++)
+ for (k = 0; k < ((range/2)-1) && start_sampledata->link_next; k++)
start_sampledata = start_sampledata->link_next;
- for (k=0;(k<(range/2))&&(stop_sampledata->link_prev);k++)
+
+ for (k = 0; k < (range/2) && stop_sampledata->link_prev; k++)
stop_sampledata = stop_sampledata->link_prev;
tot = (double)(stop_sampledata->blockstat.bo - start_sampledata->blockstat.bo)
@@ -731,34 +737,36 @@ static void svg_io_bo_bar(void) {
pbo = tot / max;
if (pbo > 0.001)
- svg("<rect class=\"bo\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n",
- time_to_graph(prev_sampledata->sampletime - graph_start),
- (arg_scale_y * 5) - (pbo * (arg_scale_y * 5)),
- time_to_graph(sampledata->sampletime - prev_sampledata->sampletime),
- pbo * (arg_scale_y * 5));
+ fprintf(of, "<rect class=\"bo\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n",
+ time_to_graph(prev_sampledata->sampletime - graph_start),
+ (arg_scale_y * 5) - (pbo * (arg_scale_y * 5)),
+ time_to_graph(sampledata->sampletime - prev_sampledata->sampletime),
+ pbo * (arg_scale_y * 5));
/* labels around highest bo value */
if (i == max_here) {
- svg(" <text class=\"sec\" x=\"%.03f\" y=\"%.03f\">%0.2fmb/sec</text>\n",
- time_to_graph(sampledata->sampletime - graph_start) + 5,
- ((arg_scale_y * 5) - (pbo * (arg_scale_y * 5))),
- max / 1024.0 / (interval / 1000000000.0));
+ fprintf(of, " <text class=\"sec\" x=\"%.03f\" y=\"%.03f\">%0.2fmb/sec</text>\n",
+ time_to_graph(sampledata->sampletime - graph_start) + 5,
+ ((arg_scale_y * 5) - (pbo * (arg_scale_y * 5))),
+ max / 1024.0 / (interval / 1000000000.0));
}
+
i++;
prev_sampledata = sampledata;
}
}
-static void svg_cpu_bar(int cpu_num) {
+static void svg_cpu_bar(FILE *of, struct list_sample_data *head, int n_cpus, int cpu_num, double graph_start) {
- svg("<!-- CPU utilization graph -->\n");
+ fprintf(of, "<!-- CPU utilization graph -->\n");
if (cpu_num < 0)
- svg("<text class=\"t2\" x=\"5\" y=\"-15\">CPU[overall] utilization</text>\n");
+ fprintf(of, "<text class=\"t2\" x=\"5\" y=\"-15\">CPU[overall] utilization</text>\n");
else
- svg("<text class=\"t2\" x=\"5\" y=\"-15\">CPU[%d] utilization</text>\n", cpu_num);
+ fprintf(of, "<text class=\"t2\" x=\"5\" y=\"-15\">CPU[%d] utilization</text>\n", cpu_num);
+
/* surrounding box */
- svg_graph_box(5);
+ svg_graph_box(of, head, 5, graph_start);
/* bars for each sample, proportional to the CPU util. */
prev_sampledata = head;
@@ -770,7 +778,7 @@ static void svg_cpu_bar(int cpu_num) {
ptrt = trt = 0.0;
if (cpu_num < 0)
- for (c = 0; c < cpus; c++)
+ for (c = 0; c < n_cpus; c++)
trt += sampledata->runtime[c] - prev_sampledata->runtime[c];
else
trt = sampledata->runtime[cpu_num] - prev_sampledata->runtime[cpu_num];
@@ -778,7 +786,7 @@ static void svg_cpu_bar(int cpu_num) {
trt = trt / 1000000000.0;
if (cpu_num < 0)
- trt = trt / (double)cpus;
+ trt = trt / (double)n_cpus;
if (trt > 0.0)
ptrt = trt / (sampledata->sampletime - prev_sampledata->sampletime);
@@ -786,28 +794,28 @@ static void svg_cpu_bar(int cpu_num) {
if (ptrt > 1.0)
ptrt = 1.0;
- if (ptrt > 0.001) {
- svg("<rect class=\"cpu\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n",
- time_to_graph(prev_sampledata->sampletime - graph_start),
- (arg_scale_y * 5) - (ptrt * (arg_scale_y * 5)),
- time_to_graph(sampledata->sampletime - prev_sampledata->sampletime),
- ptrt * (arg_scale_y * 5));
- }
+ if (ptrt > 0.001)
+ fprintf(of, "<rect class=\"cpu\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n",
+ time_to_graph(prev_sampledata->sampletime - graph_start),
+ (arg_scale_y * 5) - (ptrt * (arg_scale_y * 5)),
+ time_to_graph(sampledata->sampletime - prev_sampledata->sampletime),
+ ptrt * (arg_scale_y * 5));
+
prev_sampledata = sampledata;
}
}
-static void svg_wait_bar(int cpu_num) {
+static void svg_wait_bar(FILE *of, struct list_sample_data *head, int n_cpus, int cpu_num, double graph_start) {
- svg("<!-- Wait time aggregation box -->\n");
+ fprintf(of, "<!-- Wait time aggregation box -->\n");
if (cpu_num < 0)
- svg("<text class=\"t2\" x=\"5\" y=\"-15\">CPU[overall] wait</text>\n");
+ fprintf(of, "<text class=\"t2\" x=\"5\" y=\"-15\">CPU[overall] wait</text>\n");
else
- svg("<text class=\"t2\" x=\"5\" y=\"-15\">CPU[%d] wait</text>\n", cpu_num);
+ fprintf(of, "<text class=\"t2\" x=\"5\" y=\"-15\">CPU[%d] wait</text>\n", cpu_num);
/* surrounding box */
- svg_graph_box(5);
+ svg_graph_box(of, head, 5, graph_start);
/* bars for each sample, proportional to the CPU util. */
prev_sampledata = head;
@@ -819,7 +827,7 @@ static void svg_wait_bar(int cpu_num) {
ptwt = twt = 0.0;
if (cpu_num < 0)
- for (c = 0; c < cpus; c++)
+ for (c = 0; c < n_cpus; c++)
twt += sampledata->waittime[c] - prev_sampledata->waittime[c];
else
twt = sampledata->waittime[cpu_num] - prev_sampledata->waittime[cpu_num];
@@ -827,7 +835,7 @@ static void svg_wait_bar(int cpu_num) {
twt = twt / 1000000000.0;
if (cpu_num < 0)
- twt = twt / (double)cpus;
+ twt = twt / (double)n_cpus;
if (twt > 0.0)
ptwt = twt / (sampledata->sampletime - prev_sampledata->sampletime);
@@ -835,39 +843,38 @@ static void svg_wait_bar(int cpu_num) {
if (ptwt > 1.0)
ptwt = 1.0;
- if (ptwt > 0.001) {
- svg("<rect class=\"wait\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n",
- time_to_graph(prev_sampledata->sampletime - graph_start),
- ((arg_scale_y * 5) - (ptwt * (arg_scale_y * 5))),
- time_to_graph(sampledata->sampletime - prev_sampledata->sampletime),
- ptwt * (arg_scale_y * 5));
- }
+ if (ptwt > 0.001)
+ fprintf(of, "<rect class=\"wait\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n",
+ time_to_graph(prev_sampledata->sampletime - graph_start),
+ ((arg_scale_y * 5) - (ptwt * (arg_scale_y * 5))),
+ time_to_graph(sampledata->sampletime - prev_sampledata->sampletime),
+ ptwt * (arg_scale_y * 5));
+
prev_sampledata = sampledata;
}
}
-static void svg_entropy_bar(void) {
+static void svg_entropy_bar(FILE *of, struct list_sample_data *head, double graph_start) {
- svg("<!-- entropy pool graph -->\n");
+ fprintf(of, "<!-- entropy pool graph -->\n");
- svg("<text class=\"t2\" x=\"5\" y=\"-15\">Entropy pool size</text>\n");
+ fprintf(of, "<text class=\"t2\" x=\"5\" y=\"-15\">Entropy pool size</text>\n");
/* surrounding box */
- svg_graph_box(5);
+ svg_graph_box(of, head, 5, graph_start);
/* bars for each sample, scale 0-4096 */
prev_sampledata = head;
LIST_FOREACH_BEFORE(link, sampledata, head) {
- /* svg("<!-- entropy %.03f %i -->\n", sampletime[i], entropy_avail[i]); */
- svg("<rect class=\"cpu\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n",
- time_to_graph(prev_sampledata->sampletime - graph_start),
- ((arg_scale_y * 5) - ((sampledata->entropy_avail / 4096.) * (arg_scale_y * 5))),
- time_to_graph(sampledata->sampletime - prev_sampledata->sampletime),
- (sampledata->entropy_avail / 4096.) * (arg_scale_y * 5));
+ fprintf(of, "<rect class=\"cpu\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n",
+ time_to_graph(prev_sampledata->sampletime - graph_start),
+ ((arg_scale_y * 5) - ((sampledata->entropy_avail / 4096.) * (arg_scale_y * 5))),
+ time_to_graph(sampledata->sampletime - prev_sampledata->sampletime),
+ (sampledata->entropy_avail / 4096.) * (arg_scale_y * 5));
prev_sampledata = sampledata;
}
}
-static struct ps_struct *get_next_ps(struct ps_struct *ps) {
+static struct ps_struct *get_next_ps(struct ps_struct *ps, struct ps_struct *ps_first) {
/*
* walk the list of processes and return the next one to be
* painted
@@ -885,9 +892,9 @@ static struct ps_struct *get_next_ps(struct ps_struct *ps) {
/* go back for parent siblings */
while (1) {
- if (ps->parent)
- if (ps->parent->next)
- return ps->parent->next;
+ if (ps->parent && ps->parent->next)
+ return ps->parent->next;
+
ps = ps->parent;
if (!ps)
return ps;
@@ -915,7 +922,7 @@ static bool ps_filter(struct ps_struct *ps) {
return 0;
}
-static void svg_do_initcall(int count_only) {
+static void svg_do_initcall(FILE *of, struct list_sample_data *head, int count_only, double graph_start) {
_cleanup_pclose_ FILE *f = NULL;
double t;
char func[256];
@@ -923,17 +930,16 @@ static void svg_do_initcall(int count_only) {
int usecs;
/* can't plot initcall when disabled or in relative mode */
- if (!initcall || arg_relative) {
+ if (!arg_initcall || arg_relative) {
kcount = 0;
return;
}
if (!count_only) {
- svg("<!-- initcall -->\n");
-
- svg("<text class=\"t2\" x=\"5\" y=\"-15\">Kernel init threads</text>\n");
+ fprintf(of, "<!-- initcall -->\n");
+ fprintf(of, "<text class=\"t2\" x=\"5\" y=\"-15\">Kernel init threads</text>\n");
/* surrounding box */
- svg_graph_box(kcount);
+ svg_graph_box(of, head, kcount, graph_start);
}
kcount = 0;
@@ -979,47 +985,52 @@ static void svg_do_initcall(int count_only) {
continue;
}
- svg("<!-- thread=\"%s\" time=\"%.3f\" elapsed=\"%d\" result=\"%d\" -->\n",
- func, t, usecs, ret);
+ fprintf(of, "<!-- thread=\"%s\" time=\"%.3f\" elapsed=\"%d\" result=\"%d\" -->\n",
+ func, t, usecs, ret);
if (usecs < 1000)
continue;
/* rect */
- svg(" <rect class=\"krnl\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n",
- time_to_graph(t - (usecs / 1000000.0)),
- ps_to_graph(kcount),
- time_to_graph(usecs / 1000000.0),
- ps_to_graph(1));
+ fprintf(of, " <rect class=\"krnl\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n",
+ time_to_graph(t - (usecs / 1000000.0)),
+ ps_to_graph(kcount),
+ time_to_graph(usecs / 1000000.0),
+ ps_to_graph(1));
/* label */
- svg(" <text x=\"%.03f\" y=\"%.03f\">%s <tspan class=\"run\">%.03fs</tspan></text>\n",
- time_to_graph(t - (usecs / 1000000.0)) + 5,
- ps_to_graph(kcount) + 15,
- func,
- usecs / 1000000.0);
+ fprintf(of, " <text x=\"%.03f\" y=\"%.03f\">%s <tspan class=\"run\">%.03fs</tspan></text>\n",
+ time_to_graph(t - (usecs / 1000000.0)) + 5,
+ ps_to_graph(kcount) + 15,
+ func, usecs / 1000000.0);
kcount++;
}
}
-static void svg_ps_bars(void) {
+static void svg_ps_bars(FILE *of,
+ struct list_sample_data *head,
+ int n_samples,
+ int n_cpus,
+ struct ps_struct *ps_first,
+ double graph_start,
+ double interval) {
+
struct ps_struct *ps;
int i = 0;
int j = 0;
int pid;
double w = 0.0;
- svg("<!-- Process graph -->\n");
-
- svg("<text class=\"t2\" x=\"5\" y=\"-15\">Processes</text>\n");
+ fprintf(of, "<!-- Process graph -->\n");
+ fprintf(of, "<text class=\"t2\" x=\"5\" y=\"-15\">Processes</text>\n");
/* surrounding box */
- svg_graph_box(pcount);
+ svg_graph_box(of, head, pcount, graph_start);
/* pass 2 - ps boxes */
ps = ps_first;
- while ((ps = get_next_ps(ps))) {
+ while ((ps = get_next_ps(ps, ps_first))) {
_cleanup_free_ char *enc_name = NULL, *escaped = NULL;
double endtime;
double starttime;
@@ -1033,8 +1044,8 @@ static void svg_ps_bars(void) {
continue;
/* leave some trace of what we actually filtered etc. */
- svg("<!-- %s [%i] ppid=%i runtime=%.03fs -->\n", enc_name, ps->pid,
- ps->ppid, ps->total);
+ fprintf(of, "<!-- %s [%i] ppid=%i runtime=%.03fs -->\n", enc_name, ps->pid,
+ ps->ppid, ps->total);
starttime = ps->first->sampledata->sampletime;
@@ -1049,20 +1060,20 @@ static void svg_ps_bars(void) {
/* if this is the last child, we might still need to draw a connecting line */
if ((!ps->next) && (ps->parent))
- svg(" <line class=\"dot\" x1=\"%.03f\" y1=\"%.03f\" x2=\"%.03f\" y2=\"%.03f\" />\n",
- ps->parent->pos_x,
- ps_to_graph(j-1) + 10.0, /* whee, use the last value here */
- ps->parent->pos_x,
- ps->parent->pos_y);
+ fprintf(of, " <line class=\"dot\" x1=\"%.03f\" y1=\"%.03f\" x2=\"%.03f\" y2=\"%.03f\" />\n",
+ ps->parent->pos_x,
+ ps_to_graph(j-1) + 10.0, /* whee, use the last value here */
+ ps->parent->pos_x,
+ ps->parent->pos_y);
continue;
}
endtime = ps->last->sampledata->sampletime;
- svg(" <rect class=\"ps\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n",
- time_to_graph(starttime - graph_start),
- ps_to_graph(j),
- time_to_graph(ps->last->sampledata->sampletime - starttime),
- ps_to_graph(1));
+ fprintf(of, " <rect class=\"ps\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n",
+ time_to_graph(starttime - graph_start),
+ ps_to_graph(j),
+ time_to_graph(ps->last->sampledata->sampletime - starttime),
+ ps_to_graph(1));
/* paint cpu load over these */
ps->sample = ps->first;
@@ -1091,18 +1102,18 @@ static void svg_ps_bars(void) {
if ((prt < 0.1) && (wrt < 0.1)) /* =~ 26 (color threshold) */
continue;
- svg(" <rect class=\"wait\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n",
- time_to_graph(prev->sampledata->sampletime - graph_start),
- ps_to_graph(j),
- time_to_graph(ps->sample->sampledata->sampletime - prev->sampledata->sampletime),
- ps_to_graph(wrt));
+ fprintf(of, " <rect class=\"wait\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n",
+ time_to_graph(prev->sampledata->sampletime - graph_start),
+ ps_to_graph(j),
+ time_to_graph(ps->sample->sampledata->sampletime - prev->sampledata->sampletime),
+ ps_to_graph(wrt));
/* draw cpu over wait - TODO figure out how/why run + wait > interval */
- svg(" <rect class=\"cpu\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n",
- time_to_graph(prev->sampledata->sampletime - graph_start),
- ps_to_graph(j + (1.0 - prt)),
- time_to_graph(ps->sample->sampledata->sampletime - prev->sampledata->sampletime),
- ps_to_graph(prt));
+ fprintf(of, " <rect class=\"cpu\" x=\"%.03f\" y=\"%.03f\" width=\"%.03f\" height=\"%.03f\" />\n",
+ time_to_graph(prev->sampledata->sampletime - graph_start),
+ ps_to_graph(j + (1.0 - prt)),
+ time_to_graph(ps->sample->sampledata->sampletime - prev->sampledata->sampletime),
+ ps_to_graph(prt));
t++;
}
@@ -1114,34 +1125,34 @@ static void svg_ps_bars(void) {
w = starttime;
/* text label of process name */
- svg(" <text x=\"%.03f\" y=\"%.03f\"><![CDATA[%s]]> [%i]<tspan class=\"run\">%.03fs</tspan> %s</text>\n",
- time_to_graph(w - graph_start) + 5.0,
- ps_to_graph(j) + 14.0,
- escaped ? escaped : ps->name,
- ps->pid,
- (ps->last->runtime - ps->first->runtime) / 1000000000.0,
- arg_show_cgroup ? ps->cgroup : "");
+ fprintf(of, " <text x=\"%.03f\" y=\"%.03f\"><![CDATA[%s]]> [%i]<tspan class=\"run\">%.03fs</tspan> %s</text>\n",
+ time_to_graph(w - graph_start) + 5.0,
+ ps_to_graph(j) + 14.0,
+ escaped ? escaped : ps->name,
+ ps->pid,
+ (ps->last->runtime - ps->first->runtime) / 1000000000.0,
+ arg_show_cgroup ? ps->cgroup : "");
/* paint lines to the parent process */
if (ps->parent) {
/* horizontal part */
- svg(" <line class=\"dot\" x1=\"%.03f\" y1=\"%.03f\" x2=\"%.03f\" y2=\"%.03f\" />\n",
- time_to_graph(starttime - graph_start),
- ps_to_graph(j) + 10.0,
- ps->parent->pos_x,
- ps_to_graph(j) + 10.0);
+ fprintf(of, " <line class=\"dot\" x1=\"%.03f\" y1=\"%.03f\" x2=\"%.03f\" y2=\"%.03f\" />\n",
+ time_to_graph(starttime - graph_start),
+ ps_to_graph(j) + 10.0,
+ ps->parent->pos_x,
+ ps_to_graph(j) + 10.0);
/* one vertical line connecting all the horizontal ones up */
if (!ps->next)
- svg(" <line class=\"dot\" x1=\"%.03f\" y1=\"%.03f\" x2=\"%.03f\" y2=\"%.03f\" />\n",
- ps->parent->pos_x,
- ps_to_graph(j) + 10.0,
- ps->parent->pos_x,
- ps->parent->pos_y);
+ fprintf(of, " <line class=\"dot\" x1=\"%.03f\" y1=\"%.03f\" x2=\"%.03f\" y2=\"%.03f\" />\n",
+ ps->parent->pos_x,
+ ps_to_graph(j) + 10.0,
+ ps->parent->pos_x,
+ ps->parent->pos_y);
}
j++; /* count boxes */
- svg("\n");
+ fprintf(of, "\n");
}
/* last pass - determine when idle */
@@ -1161,7 +1172,7 @@ static void svg_ps_bars(void) {
ps->sample = ps->first;
i = ps->sample->next->sampledata->counter;
- while (ps->sample->next && i<(samples-(arg_hz/2))) {
+ while (ps->sample->next && i<(n_samples-(arg_hz/2))) {
double crt;
double brt;
int c;
@@ -1170,13 +1181,14 @@ static void svg_ps_bars(void) {
ps->sample = ps->sample->next;
sample_hz = ps->sample;
- for (ii=0;((ii<(int)arg_hz/2)&&(ps->sample->next));ii++)
+ for (ii = 0; (ii < (int)arg_hz/2) && sample_hz->next; ii++)
sample_hz = sample_hz->next;
/* subtract bootchart cpu utilization from total */
crt = 0.0;
- for (c = 0; c < cpus; c++)
+ for (c = 0; c < n_cpus; c++)
crt += sample_hz->sampledata->runtime[c] - ps->sample->sampledata->runtime[c];
+
brt = sample_hz->runtime - ps->sample->runtime;
/*
* our definition of "idle":
@@ -1186,24 +1198,24 @@ static void svg_ps_bars(void) {
*/
if ((crt - brt) < (interval / 2.0)) {
idletime = ps->sample->sampledata->sampletime - graph_start;
- svg("\n<!-- idle detected at %.03f seconds -->\n",
- idletime);
- svg("<line class=\"idle\" x1=\"%.03f\" y1=\"%.03f\" x2=\"%.03f\" y2=\"%.03f\" />\n",
- time_to_graph(idletime),
- -arg_scale_y,
- time_to_graph(idletime),
- ps_to_graph(pcount) + arg_scale_y);
- svg("<text class=\"idle\" x=\"%.03f\" y=\"%.03f\">%.01fs</text>\n",
- time_to_graph(idletime) + 5.0,
- ps_to_graph(pcount) + arg_scale_y,
- idletime);
+ fprintf(of, "\n<!-- idle detected at %.03f seconds -->\n", idletime);
+ fprintf(of, "<line class=\"idle\" x1=\"%.03f\" y1=\"%.03f\" x2=\"%.03f\" y2=\"%.03f\" />\n",
+ time_to_graph(idletime),
+ -arg_scale_y,
+ time_to_graph(idletime),
+ ps_to_graph(pcount) + arg_scale_y);
+ fprintf(of, "<text class=\"idle\" x=\"%.03f\" y=\"%.03f\">%.01fs</text>\n",
+ time_to_graph(idletime) + 5.0,
+ ps_to_graph(pcount) + arg_scale_y,
+ idletime);
break;
}
+
i++;
}
}
-static void svg_top_ten_cpu(void) {
+static void svg_top_ten_cpu(FILE *of, struct ps_struct *ps_first) {
struct ps_struct *top[10];
struct ps_struct emptyps = {};
struct ps_struct *ps;
@@ -1214,7 +1226,7 @@ static void svg_top_ten_cpu(void) {
/* walk all ps's and setup ptrs */
ps = ps_first;
- while ((ps = get_next_ps(ps))) {
+ while ((ps = get_next_ps(ps, ps_first))) {
for (n = 0; n < 10; n++) {
if (ps->total <= top[n]->total)
continue;
@@ -1226,16 +1238,16 @@ static void svg_top_ten_cpu(void) {
}
}
- svg("<text class=\"t2\" x=\"20\" y=\"0\">Top CPU consumers:</text>\n");
+ fprintf(of, "<text class=\"t2\" x=\"20\" y=\"0\">Top CPU consumers:</text>\n");
for (n = 0; n < 10; n++)
- svg("<text class=\"t3\" x=\"20\" y=\"%d\">%3.03fs - <![CDATA[%s]]> [%d]</text>\n",
- 20 + (n * 13),
- top[n]->total,
- top[n]->name,
- top[n]->pid);
+ fprintf(of, "<text class=\"t3\" x=\"20\" y=\"%d\">%3.03fs - <![CDATA[%s]]> [%d]</text>\n",
+ 20 + (n * 13),
+ top[n]->total,
+ top[n]->name,
+ top[n]->pid);
}
-static void svg_top_ten_pss(void) {
+static void svg_top_ten_pss(FILE *of, struct ps_struct *ps_first) {
struct ps_struct *top[10];
struct ps_struct emptyps = {};
struct ps_struct *ps;
@@ -1246,10 +1258,11 @@ static void svg_top_ten_pss(void) {
/* walk all ps's and setup ptrs */
ps = ps_first;
- while ((ps = get_next_ps(ps))) {
+ while ((ps = get_next_ps(ps, ps_first))) {
for (n = 0; n < 10; n++) {
if (ps->pss_max <= top[n]->pss_max)
continue;
+
/* cascade insert */
for (m = 9; m > n; m--)
top[m] = top[m-1];
@@ -1258,30 +1271,39 @@ static void svg_top_ten_pss(void) {
}
}
- svg("<text class=\"t2\" x=\"20\" y=\"0\">Top PSS consumers:</text>\n");
+ fprintf(of, "<text class=\"t2\" x=\"20\" y=\"0\">Top PSS consumers:</text>\n");
for (n = 0; n < 10; n++)
- svg("<text class=\"t3\" x=\"20\" y=\"%d\">%dK - <![CDATA[%s]]> [%d]</text>\n",
- 20 + (n * 13),
- top[n]->pss_max,
- top[n]->name,
- top[n]->pid);
+ fprintf(of, "<text class=\"t3\" x=\"20\" y=\"%d\">%dK - <![CDATA[%s]]> [%d]</text>\n",
+ 20 + (n * 13),
+ top[n]->pss_max,
+ top[n]->name,
+ top[n]->pid);
}
-void svg_do(const char *build) {
+int svg_do(FILE *of,
+ const char *build,
+ struct list_sample_data *head,
+ struct ps_struct *ps_first,
+ int n_samples,
+ int pscount,
+ int n_cpus,
+ double graph_start,
+ double log_start,
+ double interval,
+ int overrun) {
+
struct ps_struct *ps;
double offset = 7;
- int c;
-
- memzero(&str, sizeof(str));
+ int r, c;
ps = ps_first;
/* count initcall thread count first */
- svg_do_initcall(1);
- ksize = (kcount ? ps_to_graph(kcount) + (arg_scale_y * 2) : 0);
+ svg_do_initcall(of, head, 1, graph_start);
+ ksize = kcount ? ps_to_graph(kcount) + (arg_scale_y * 2) : 0;
/* then count processes */
- while ((ps = get_next_ps(ps))) {
+ while ((ps = get_next_ps(ps, ps_first))) {
if (!ps_filter(ps))
pcount++;
else
@@ -1292,65 +1314,70 @@ void svg_do(const char *build) {
esize = (arg_entropy ? arg_scale_y * 7 : 0);
/* after this, we can draw the header with proper sizing */
- svg_header();
- svg("<rect class=\"bg\" width=\"100%%\" height=\"100%%\" />\n\n");
+ svg_header(of, head, graph_start);
+ fprintf(of, "<rect class=\"bg\" width=\"100%%\" height=\"100%%\" />\n\n");
- svg("<g transform=\"translate(10,400)\">\n");
- svg_io_bi_bar();
- svg("</g>\n\n");
+ fprintf(of, "<g transform=\"translate(10,400)\">\n");
+ svg_io_bi_bar(of, head, n_samples, graph_start, interval);
+ fprintf(of, "</g>\n\n");
- svg("<g transform=\"translate(10,%.03f)\">\n", 400.0 + (arg_scale_y * offset));
- svg_io_bo_bar();
- svg("</g>\n\n");
+ fprintf(of, "<g transform=\"translate(10,%.03f)\">\n", 400.0 + (arg_scale_y * offset));
+ svg_io_bo_bar(of, head, n_samples, graph_start, interval);
+ fprintf(of, "</g>\n\n");
- for (c = -1; c < (arg_percpu ? cpus : 0); c++) {
+ for (c = -1; c < (arg_percpu ? n_cpus : 0); c++) {
offset += 7;
- svg("<g transform=\"translate(10,%.03f)\">\n", 400.0 + (arg_scale_y * offset));
- svg_cpu_bar(c);
- svg("</g>\n\n");
+ fprintf(of, "<g transform=\"translate(10,%.03f)\">\n", 400.0 + (arg_scale_y * offset));
+ svg_cpu_bar(of, head, n_cpus, c, graph_start);
+ fprintf(of, "</g>\n\n");
offset += 7;
- svg("<g transform=\"translate(10,%.03f)\">\n", 400.0 + (arg_scale_y * offset));
- svg_wait_bar(c);
- svg("</g>\n\n");
+ fprintf(of, "<g transform=\"translate(10,%.03f)\">\n", 400.0 + (arg_scale_y * offset));
+ svg_wait_bar(of, head, n_cpus, c, graph_start);
+ fprintf(of, "</g>\n\n");
}
if (kcount) {
offset += 7;
- svg("<g transform=\"translate(10,%.03f)\">\n", 400.0 + (arg_scale_y * offset));
- svg_do_initcall(0);
- svg("</g>\n\n");
+ fprintf(of, "<g transform=\"translate(10,%.03f)\">\n", 400.0 + (arg_scale_y * offset));
+ svg_do_initcall(of, head, 0, graph_start);
+ fprintf(of, "</g>\n\n");
}
offset += 7;
- svg("<g transform=\"translate(10,%.03f)\">\n", 400.0 + (arg_scale_y * offset) + ksize);
- svg_ps_bars();
- svg("</g>\n\n");
+ fprintf(of, "<g transform=\"translate(10,%.03f)\">\n", 400.0 + (arg_scale_y * offset) + ksize);
+ svg_ps_bars(of, head, n_samples, n_cpus, ps_first, graph_start, interval);
+ fprintf(of, "</g>\n\n");
+
+ fprintf(of, "<g transform=\"translate(10, 0)\">\n");
+ r = svg_title(of, build, pscount, log_start, overrun);
+ fprintf(of, "</g>\n\n");
- svg("<g transform=\"translate(10, 0)\">\n");
- svg_title(build);
- svg("</g>\n\n");
+ if (r < 0)
+ return r;
- svg("<g transform=\"translate(10,200)\">\n");
- svg_top_ten_cpu();
- svg("</g>\n\n");
+ fprintf(of, "<g transform=\"translate(10,200)\">\n");
+ svg_top_ten_cpu(of, ps_first);
+ fprintf(of, "</g>\n\n");
if (arg_entropy) {
- svg("<g transform=\"translate(10,%.03f)\">\n", 400.0 + (arg_scale_y * offset) + ksize + psize);
- svg_entropy_bar();
- svg("</g>\n\n");
+ fprintf(of, "<g transform=\"translate(10,%.03f)\">\n", 400.0 + (arg_scale_y * offset) + ksize + psize);
+ svg_entropy_bar(of, head, graph_start);
+ fprintf(of, "</g>\n\n");
}
if (arg_pss) {
- svg("<g transform=\"translate(10,%.03f)\">\n", 400.0 + (arg_scale_y * offset) + ksize + psize + esize);
- svg_pss_graph();
- svg("</g>\n\n");
+ fprintf(of, "<g transform=\"translate(10,%.03f)\">\n", 400.0 + (arg_scale_y * offset) + ksize + psize + esize);
+ svg_pss_graph(of, head, ps_first, graph_start);
+ fprintf(of, "</g>\n\n");
- svg("<g transform=\"translate(410,200)\">\n");
- svg_top_ten_pss();
- svg("</g>\n\n");
+ fprintf(of, "<g transform=\"translate(410,200)\">\n");
+ svg_top_ten_pss(of, ps_first);
+ fprintf(of, "</g>\n\n");
}
- /* svg footer */
- svg("\n</svg>\n");
+ /* fprintf footer */
+ fprintf(of, "\n</svg>\n");
+
+ return 0;
}
diff --git a/src/bootchart/svg.h b/src/bootchart/svg.h
index df3a7bf8ef..75efa22614 100644
--- a/src/bootchart/svg.h
+++ b/src/bootchart/svg.h
@@ -24,4 +24,14 @@
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-void svg_do(const char *build);
+int svg_do(FILE *of,
+ const char *build,
+ struct list_sample_data *head,
+ struct ps_struct *ps_first,
+ int n_samples,
+ int pscount,
+ int n_cpus,
+ double graph_start,
+ double log_start,
+ double interval,
+ int overrun);