Merge pull request #2664 from zonque/bootchart-removal

Remove systemd-bootchart

1 files changed, 0 insertions, 531 deletions

diff --git a/src/bootchart/bootchart.c b/src/bootchart/bootchart.c
deleted file mode 100644
index 77d158f5f9..0000000000
--- a/src/bootchart/bootchart.c
+++ /dev/null
@@ -1,531 +0,0 @@
-/***
-  This file is part of systemd.
-
-  Copyright (C) 2009-2013 Intel Corporation
-
-  Authors:
-    Auke Kok <auke-jan.h.kok@intel.com>
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
- ***/
-
-/***
-
-  Many thanks to those who contributed ideas and code:
-  - Ziga Mahkovec - Original bootchart author
-  - Anders Norgaard - PyBootchartgui
-  - Michael Meeks - bootchart2
-  - Scott James Remnant - Ubuntu C-based logger
-  - Arjan van der Ven - for the idea to merge bootgraph.pl functionality
-
- ***/
-
-#include <errno.h>
-#include <fcntl.h>
-#include <getopt.h>
-#include <limits.h>
-#include <signal.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/resource.h>
-#include <time.h>
-#include <unistd.h>
-
-#include "sd-journal.h"
-
-#include "alloc-util.h"
-#include "bootchart.h"
-#include "conf-parser.h"
-#include "def.h"
-#include "fd-util.h"
-#include "fileio.h"
-#include "io-util.h"
-#include "list.h"
-#include "macro.h"
-#include "parse-util.h"
-#include "path-util.h"
-#include "store.h"
-#include "string-util.h"
-#include "strxcpyx.h"
-#include "svg.h"
-#include "util.h"
-
-static int exiting = 0;
-
-#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 ROOTLIBEXECDIR "/systemd"
-#define DEFAULT_OUTPUT "/run/log"
-
-/* graph defaults */
-bool arg_entropy = false;
-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 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;
-
-char arg_init_path[PATH_MAX] = DEFAULT_INIT;
-char arg_output_path[PATH_MAX] = DEFAULT_OUTPUT;
-
-static void signal_handler(int sig) {
-        exiting = 1;
-}
-
-#define BOOTCHART_MAX (16*1024*1024)
-
-static void parse_conf(void) {
-        char *init = NULL, *output = NULL;
-        const ConfigTableItem items[] = {
-                { "Bootchart", "Samples",          config_parse_int,    0, &arg_samples_len },
-                { "Bootchart", "Frequency",        config_parse_double, 0, &arg_hz          },
-                { "Bootchart", "Relative",         config_parse_bool,   0, &arg_relative    },
-                { "Bootchart", "Filter",           config_parse_bool,   0, &arg_filter      },
-                { "Bootchart", "Output",           config_parse_path,   0, &output          },
-                { "Bootchart", "Init",             config_parse_path,   0, &init            },
-                { "Bootchart", "PlotMemoryUsage",  config_parse_bool,   0, &arg_pss         },
-                { "Bootchart", "PlotEntropyGraph", config_parse_bool,   0, &arg_entropy     },
-                { "Bootchart", "ScaleX",           config_parse_double, 0, &arg_scale_x     },
-                { "Bootchart", "ScaleY",           config_parse_double, 0, &arg_scale_y     },
-                { "Bootchart", "ControlGroup",     config_parse_bool,   0, &arg_show_cgroup },
-                { "Bootchart", "PerCPU",           config_parse_bool,   0, &arg_percpu      },
-                { NULL, NULL, NULL, 0, NULL }
-        };
-
-        config_parse_many(PKGSYSCONFDIR "/bootchart.conf",
-                          CONF_PATHS_NULSTR("systemd/bootchart.conf.d"),
-                          NULL, config_item_table_lookup, items, true, NULL);
-
-        if (init != NULL)
-                strscpy(arg_init_path, sizeof(arg_init_path), init);
-        if (output != NULL)
-                strscpy(arg_output_path, sizeof(arg_output_path), output);
-}
-
-static void help(void) {
-        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[]) {
-
-        enum {
-                ARG_PERCPU = 0x100,
-        };
-
-        static const struct option options[] = {
-                {"rel",           no_argument,        NULL,  'r'       },
-                {"freq",          required_argument,  NULL,  'f'       },
-                {"samples",       required_argument,  NULL,  'n'       },
-                {"pss",           no_argument,        NULL,  'p'       },
-                {"output",        required_argument,  NULL,  'o'       },
-                {"init",          required_argument,  NULL,  'i'       },
-                {"no-filter",     no_argument,        NULL,  'F'       },
-                {"cmdline",       no_argument,        NULL,  'C'       },
-                {"control-group", no_argument,        NULL,  'c'       },
-                {"help",          no_argument,        NULL,  'h'       },
-                {"scale-x",       required_argument,  NULL,  'x'       },
-                {"scale-y",       required_argument,  NULL,  'y'       },
-                {"entropy",       no_argument,        NULL,  'e'       },
-                {"per-cpu",       no_argument,        NULL,  ARG_PERCPU},
-                {}
-        };
-        int c, r;
-
-        if (getpid() == 1)
-                opterr = 0;
-
-        while ((c = getopt_long(argc, argv, "erpf:n:o:i:FCchx:y:", options, NULL)) >= 0)
-                switch (c) {
-
-                case 'r':
-                        arg_relative = true;
-                        break;
-                case 'f':
-                        r = safe_atod(optarg, &arg_hz);
-                        if (r < 0)
-                                log_warning_errno(r, "failed to parse --freq/-f argument '%s': %m",
-                                                  optarg);
-                        break;
-                case 'F':
-                        arg_filter = false;
-                        break;
-                case 'C':
-                        arg_show_cmdline = true;
-                        break;
-                case 'c':
-                        arg_show_cgroup = true;
-                        break;
-                case 'n':
-                        r = safe_atoi(optarg, &arg_samples_len);
-                        if (r < 0)
-                                log_warning_errno(r, "failed to parse --samples/-n argument '%s': %m",
-                                                  optarg);
-                        break;
-                case 'o':
-                        path_kill_slashes(optarg);
-                        strscpy(arg_output_path, sizeof(arg_output_path), optarg);
-                        break;
-                case 'i':
-                        path_kill_slashes(optarg);
-                        strscpy(arg_init_path, sizeof(arg_init_path), optarg);
-                        break;
-                case 'p':
-                        arg_pss = true;
-                        break;
-                case 'x':
-                        r = safe_atod(optarg, &arg_scale_x);
-                        if (r < 0)
-                                log_warning_errno(r, "failed to parse --scale-x/-x argument '%s': %m",
-                                                  optarg);
-                        break;
-                case 'y':
-                        r = safe_atod(optarg, &arg_scale_y);
-                        if (r < 0)
-                                log_warning_errno(r, "failed to parse --scale-y/-y argument '%s': %m",
-                                                  optarg);
-                        break;
-                case 'e':
-                        arg_entropy = true;
-                        break;
-                case ARG_PERCPU:
-                        arg_percpu = true;
-                        break;
-                case 'h':
-                        help();
-                        return 0;
-                case '?':
-                        if (getpid() != 1)
-                                return -EINVAL;
-                        else
-                                return 0;
-                default:
-                        assert_not_reached("Unhandled option code.");
-                }
-
-        if (arg_hz <= 0) {
-                log_error("Frequency needs to be > 0");
-                return -EINVAL;
-        }
-
-        return 1;
-}
-
-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, j = 0;
-        ssize_t n;
-
-        bootchart_file = strappend("BOOTCHART_FILE=", 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)
-                return log_oom();
-
-        IOVEC_SET_STRING(iovec[j++], bootchart_message);
-
-        p = malloc(10 + BOOTCHART_MAX);
-        if (!p)
-                return log_oom();
-
-        memcpy(p, "BOOTCHART=", 10);
-
-        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;
-        j++;
-
-        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;
-        _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, samples;
-        struct ps_struct *ps;
-        struct rlimit rlim;
-        struct list_sample_data *head;
-        struct sigaction sig = {
-                .sa_handler = signal_handler,
-        };
-
-        parse_conf();
-
-        r = parse_argv(argc, argv);
-        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
-         * fork:
-         * - parent execs executable specified via init_path[] (/usr/lib/systemd/systemd by default) as pid=1
-         * - child logs data
-         */
-        if (getpid() == 1) {
-                if (fork())
-                        /* parent */
-                        execl(arg_init_path, arg_init_path, NULL);
-        }
-        argv[0][0] = '@';
-
-        rlim.rlim_cur = 4096;
-        rlim.rlim_max = 4096;
-        (void) setrlimit(RLIMIT_NOFILE, &rlim);
-
-        /* start with empty ps LL */
-        ps_first = new0(struct ps_struct, 1);
-        if (!ps_first) {
-                log_oom();
-                return EXIT_FAILURE;
-        }
-
-        /* handle TERM/INT nicely */
-        sigaction(SIGHUP, &sig, NULL);
-
-        interval = (1.0 / arg_hz) * 1000000000.0;
-
-        if (arg_relative)
-                graph_start = log_start = gettime_ns();
-        else {
-                struct timespec n;
-                double uptime;
-
-                clock_gettime(clock_boottime_or_monotonic(), &n);
-                uptime = (n.tv_sec + (n.tv_nsec / (double) NSEC_PER_SEC));
-
-                log_start = gettime_ns();
-                graph_start = log_start - uptime;
-        }
-
-        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);
-
-        /* main program loop */
-        for (samples = 0; !exiting && samples < arg_samples_len; samples++) {
-                int res;
-                double sample_stop;
-                double elapsed;
-                double timeleft;
-
-                sampledata = new0(struct list_sample_data, 1);
-                if (sampledata == NULL) {
-                        log_oom();
-                        return EXIT_FAILURE;
-                }
-
-                sampledata->sampletime = gettime_ns();
-                sampledata->counter = samples;
-
-                if (sysfd < 0)
-                        sysfd = open("/sys", O_RDONLY|O_CLOEXEC);
-
-                if (!build) {
-                        if (parse_env_file("/etc/os-release", NEWLINE, "PRETTY_NAME", &build, NULL) == -ENOENT)
-                                parse_env_file("/usr/lib/os-release", NEWLINE, "PRETTY_NAME", &build, NULL);
-                }
-
-                if (proc)
-                        rewinddir(proc);
-                else
-                        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();
-
-                elapsed = (sample_stop - sampledata->sampletime) * 1000000000.0;
-                timeleft = interval - elapsed;
-
-                /*
-                 * check if we have not consumed our entire timeslice. If we
-                 * do, don't sleep and take a new sample right away.
-                 * we'll lose all the missed samples and overrun our total
-                 * time
-                 */
-                if (timeleft > 0) {
-                        struct timespec req;
-
-                        req.tv_sec = (time_t)(timeleft / 1000000000.0);
-                        req.tv_nsec = (long)(timeleft - (req.tv_sec * 1000000000.0));
-
-                        res = nanosleep(&req, NULL);
-                        if (res) {
-                                if (errno == EINTR)
-                                        /* caught signal, probably HUP! */
-                                        break;
-                                log_error_errno(errno, "nanosleep() failed: %m");
-                                return EXIT_FAILURE;
-                        }
-                } else {
-                        overrun++;
-                        /* calculate how many samples we lost and scrap them */
-                        arg_samples_len -= (int)(-timeleft / interval);
-                }
-                LIST_PREPEND(link, head, sampledata);
-        }
-
-        /* do some cleanup, close fd's */
-        ps = ps_first;
-        while (ps->next_ps) {
-                ps = ps->next_ps;
-                ps->schedstat = safe_close(ps->schedstat);
-                ps->sched = safe_close(ps->sched);
-                ps->smaps = safe_fclose(ps->smaps);
-        }
-
-        if (!of) {
-                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 (!of) {
-                log_error("Error opening output file '%s': %m\n", output_file);
-                return EXIT_FAILURE;
-        }
-
-        r = svg_do(of, strna(build), head, ps_first,
-                   samples, pscount, n_cpus, graph_start,
-                   log_start, interval, overrun);
-
-        if (r < 0) {
-                log_error_errno(r, "Error generating svg file: %m");
-                return EXIT_FAILURE;
-        }
-
-        log_info("systemd-bootchart wrote %s\n", output_file);
-
-        r = do_journal_append(output_file);
-        if (r < 0)
-                return EXIT_FAILURE;
-
-        /* nitpic cleanups */
-        ps = ps_first->next_ps;
-        while (ps->next_ps) {
-                struct ps_struct *old;
-
-                old = ps;
-                old->sample = ps->first;
-                ps = ps->next_ps;
-                while (old->sample->next) {
-                        struct ps_sched_struct *oldsample = old->sample;
-
-                        old->sample = old->sample->next;
-                        free(oldsample);
-                }
-                free(old->cgroup);
-                free(old->sample);
-                free(old);
-        }
-
-        free(ps->cgroup);
-        free(ps->sample);
-        free(ps);
-
-        sampledata = head;
-        while (sampledata->link_prev) {
-                struct list_sample_data *old_sampledata = sampledata;
-                sampledata = sampledata->link_prev;
-                free(old_sampledata);
-        }
-        free(sampledata);
-
-        /* don't complain when overrun once, happens most commonly on 1st sample */
-        if (overrun > 1)
-                log_warning("systemd-bootchart: sample time overrun %i times\n", overrun);
-
-        return 0;
-}