bootchart: rename log.c to store.c to aovid confusion with src/shared/log.c

1 files changed, 0 insertions, 464 deletions

diff --git a/src/bootchart/log.c b/src/bootchart/log.c
deleted file mode 100644
index ccec03f12c..0000000000
--- a/src/bootchart/log.c
+++ /dev/null
@@ -1,464 +0,0 @@
-/***
-  log.c - This file is part of systemd-bootchart
-
-  Copyright (C) 2009-2013 Intel Coproration
-
-  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/>.
- ***/
-
-#define _GNU_SOURCE 1
-#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>
-#include <fcntl.h>
-#include <time.h>
-
-
-#include "bootchart.h"
-#include "util.h"
-
-/*
- * Alloc a static 4k buffer for stdio - primarily used to increase
- * PSS buffering from the default 1k stdin buffer to reduce
- * read() overhead.
- */
-static char smaps_buf[4096];
-DIR *proc;
-int procfd=-1;
-
-double gettime_ns(void)
-{
-        struct timespec n;
-
-        clock_gettime(CLOCK_MONOTONIC, &n);
-
-        return (n.tv_sec + (n.tv_nsec / 1000000000.0));
-}
-
-
-void log_uptime(void)
-{
-        FILE _cleanup_fclose_ *f = NULL;
-        char str[32];
-        double uptime;
-
-        f = fopen("/proc/uptime", "r");
-
-        if (!f)
-                return;
-        if (!fscanf(f, "%s %*s", str))
-                return;
-
-        uptime = strtod(str, NULL);
-
-        log_start = gettime_ns();
-
-        /* start graph at kernel boot time */
-        if (relative)
-                graph_start = log_start;
-        else
-                graph_start = log_start - uptime;
-}
-
-
-static char *bufgetline(char *buf)
-{
-        char *c;
-
-        if (!buf)
-                return NULL;
-
-        c = strchr(buf, '\n');
-        if (c)
-                c++;
-        return c;
-}
-
-static int pid_cmdline_strncpy(char *buffer, int pid, size_t buf_len) {
-	char filename[PATH_MAX];
-	int _cleanup_close_ fd=-1;
-	ssize_t n;
-
-	sprintf(filename, "%d/cmdline", pid);
-	fd = openat(procfd, filename, O_RDONLY);
-	if (fd < 0)
-	        return -errno;
-
-	n = read(fd, buffer, buf_len-1);
-        if (n > 0) {
-                int i;
-                for (i = 0; i < n; i++)
-                        if (buffer[i] == '\0')
-                                buffer[i] = ' ';
-                buffer[n] = '\0';
-        }
-	return 0;
-}
-
-void log_sample(int sample)
-{
-        static int vmstat;
-        static int schedstat;
-        char buf[4095];
-        char key[256];
-        char val[256];
-        char rt[256];
-        char wt[256];
-        char *m;
-        int c;
-        int p;
-        int mod;
-        static int e_fd;
-        ssize_t s;
-        ssize_t n;
-        struct dirent *ent;
-        int fd;
-
-        /* all the per-process stuff goes here */
-        if (!proc) {
-                /* find all processes */
-                proc = opendir("/proc");
-                if (!proc)
-                        return;
-                procfd = dirfd(proc);
-        } else {
-                rewinddir(proc);
-        }
-
-        if (!vmstat) {
-                /* block stuff */
-                vmstat = openat(procfd, "vmstat", O_RDONLY);
-                if (vmstat == -1) {
-                        perror("open /proc/vmstat");
-                        exit (EXIT_FAILURE);
-                }
-        }
-
-        n = pread(vmstat, buf, sizeof(buf) - 1, 0);
-        if (n <= 0) {
-                close(vmstat);
-                return;
-        }
-        buf[n] = '\0';
-
-        m = buf;
-        while (m) {
-                if (sscanf(m, "%s %s", key, val) < 2)
-                        goto vmstat_next;
-                if (streq(key, "pgpgin"))
-                        blockstat[sample].bi = atoi(val);
-                if (streq(key, "pgpgout")) {
-                        blockstat[sample].bo = atoi(val);
-                        break;
-                }
-vmstat_next:
-                m = bufgetline(m);
-                if (!m)
-                        break;
-        }
-
-        if (!schedstat) {
-                /* overall CPU utilization */
-                schedstat = openat(procfd, "schedstat", O_RDONLY);
-                if (schedstat == -1) {
-                        perror("open /proc/schedstat");
-                        exit (EXIT_FAILURE);
-                }
-        }
-
-        n = pread(schedstat, buf, sizeof(buf) - 1, 0);
-        if (n <= 0) {
-                close(schedstat);
-                return;
-        }
-        buf[n] = '\0';
-
-        m = buf;
-        while (m) {
-                if (sscanf(m, "%s %*s %*s %*s %*s %*s %*s %s %s", key, rt, wt) < 3)
-                        goto schedstat_next;
-
-                if (strstr(key, "cpu")) {
-                        c = atoi((const char*)(key+3));
-                        if (c > MAXCPUS)
-                                /* Oops, we only have room for MAXCPUS data */
-                                break;
-                        cpustat[c].sample[sample].runtime = atoll(rt);
-                        cpustat[c].sample[sample].waittime = atoll(wt);
-
-                        if (c == cpus)
-                                cpus = c + 1;
-                }
-schedstat_next:
-                m = bufgetline(m);
-                if (!m)
-                        break;
-        }
-
-        if (entropy) {
-                if (!e_fd) {
-                        e_fd = openat(procfd, "sys/kernel/random/entropy_avail", O_RDONLY);
-                }
-
-                if (e_fd) {
-                        n = pread(e_fd, buf, sizeof(buf) - 1, 0);
-                        if (n > 0) {
-                                buf[n] = '\0';
-                                entropy_avail[sample] = atoi(buf);
-                        }
-                }
-        }
-
-        while ((ent = readdir(proc)) != NULL) {
-                char filename[PATH_MAX];
-                int pid;
-                struct ps_struct *ps;
-
-                if ((ent->d_name[0] < '0') || (ent->d_name[0] > '9'))
-                        continue;
-
-                pid = atoi(ent->d_name);
-
-                if (pid >= MAXPIDS)
-                        continue;
-
-                ps = ps_first;
-                while (ps->next_ps) {
-                        ps = ps->next_ps;
-                        if (ps->pid == pid)
-                                break;
-                }
-
-                /* end of our LL? then append a new record */
-                if (ps->pid != pid) {
-                        FILE _cleanup_fclose_ *st = NULL;
-                        char t[32];
-                        struct ps_struct *parent;
-
-                        ps->next_ps = calloc(1, sizeof(struct ps_struct));
-                        if (!ps->next_ps) {
-                                perror("calloc(ps_struct)");
-                                exit (EXIT_FAILURE);
-                        }
-                        ps = ps->next_ps;
-                        ps->pid = pid;
-
-                        ps->sample = calloc(samples_len + 1, sizeof(struct ps_sched_struct));
-                        if (!ps->sample) {
-                                perror("calloc(ps_struct)");
-                                exit (EXIT_FAILURE);
-                        }
-
-                        pscount++;
-
-                        /* mark our first sample */
-                        ps->first = sample;
-
-                        /* get name, start time */
-                        if (!ps->sched) {
-                                sprintf(filename, "%d/sched", pid);
-                                ps->sched = openat(procfd, filename, O_RDONLY);
-                                if (ps->sched == -1)
-                                        continue;
-                        }
-
-                        s = pread(ps->sched, buf, sizeof(buf) - 1, 0);
-                        if (s <= 0) {
-                                close(ps->sched);
-                                continue;
-                        }
-                        buf[s] = '\0';
-
-                        if (!sscanf(buf, "%s %*s %*s", key))
-                                continue;
-
-                        strncpy(ps->name, key, 256);
-
-                        /* cmdline */
-                        if (show_cmdline)
-                                pid_cmdline_strncpy(ps->name, pid, 256);
-
-                        /* discard line 2 */
-                        m = bufgetline(buf);
-                        if (!m)
-                                continue;
-
-                        m = bufgetline(m);
-                        if (!m)
-                                continue;
-
-                        if (!sscanf(m, "%*s %*s %s", t))
-                                continue;
-
-                        ps->starttime = strtod(t, NULL) / 1000.0;
-
-                        /* ppid */
-                        sprintf(filename, "%d/stat", pid);
-                        fd = openat(procfd, filename, O_RDONLY);
-                        st = fdopen(fd, "r");
-                        if (!st)
-                                continue;
-                        if (!fscanf(st, "%*s %*s %*s %i", &p)) {
-                                continue;
-                        }
-                        ps->ppid = p;
-
-                        /*
-                         * setup child pointers
-                         *
-                         * these are used to paint the tree coherently later
-                         * each parent has a LL of children, and a LL of siblings
-                         */
-                        if (pid == 1)
-                                continue; /* nothing to do for init atm */
-
-                        /* kthreadd has ppid=0, which breaks our tree ordering */
-                        if (ps->ppid == 0)
-                                ps->ppid = 1;
-
-                        parent = ps_first;
-                        while ((parent->next_ps && parent->pid != ps->ppid))
-                                parent = parent->next_ps;
-
-                        if ((!parent) || (parent->pid != ps->ppid)) {
-                                /* orphan */
-                                ps->ppid = 1;
-                                parent = ps_first->next_ps;
-                        }
-
-                        ps->parent = parent;
-
-                        if (!parent->children) {
-                                /* it's the first child */
-                                parent->children = ps;
-                        } else {
-                                /* walk all children and append */
-                                struct ps_struct *children;
-                                children = parent->children;
-                                while (children->next)
-                                        children = children->next;
-                                children->next = ps;
-                        }
-                }
-
-                /* else -> found pid, append data in ps */
-
-                /* below here is all continuous logging parts - we get here on every
-                 * iteration */
-
-                /* rt, wt */
-                if (!ps->schedstat) {
-                        sprintf(filename, "%d/schedstat", pid);
-                        ps->schedstat = openat(procfd, filename, O_RDONLY);
-                        if (ps->schedstat == -1)
-                                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);
-                        continue;
-                }
-                buf[s] = '\0';
-
-                if (!sscanf(buf, "%s %s %*s", rt, wt))
-                        continue;
-
-                ps->last = sample;
-                ps->sample[sample].runtime = atoll(rt);
-                ps->sample[sample].waittime = atoll(wt);
-
-                ps->total = (ps->sample[ps->last].runtime
-                                 - ps->sample[ps->first].runtime)
-                                 / 1000000000.0;
-
-                if (!pss)
-                        goto catch_rename;
-                /* Pss */
-                if (!ps->smaps) {
-                        sprintf(filename, "%d/smaps", pid);
-                        fd = openat(procfd, filename, O_RDONLY);
-                        ps->smaps = fdopen(fd, "r");
-                        if (!ps->smaps)
-                                continue;
-                        setvbuf(ps->smaps, smaps_buf, _IOFBF, sizeof(smaps_buf));
-                } else {
-                        rewind(ps->smaps);
-                }
-
-                while (1) {
-                        int pss_kb;
-
-                        /* skip one line, this contains the object mapped */
-                        if (fgets(buf, sizeof(buf), ps->smaps) == NULL)
-                                break;
-                        /* then there's a 28 char 14 line block */
-                        if (fread(buf, 1, 28 * 14, ps->smaps) != 28 * 14)
-                                break;
-
-                        pss_kb = atoi(&buf[61]);
-                        ps->sample[sample].pss += pss_kb;
-                }
-
-                if (ps->sample[sample].pss > ps->pss_max)
-                        ps->pss_max = ps->sample[sample].pss;
-
-catch_rename:
-                /* catch process rename, try to randomize time */
-                mod = (hz < 4.0) ? 4.0 : (hz / 4.0);
-                if (((samples - ps->first) + pid) % (int)(mod) == 0) {
-
-                        /* re-fetch name */
-                        /* get name, start time */
-                        if (!ps->sched) {
-                                sprintf(filename, "%d/sched", pid);
-                                ps->sched = openat(procfd, filename, O_RDONLY);
-                                if (ps->sched == -1)
-                                        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);
-                                continue;
-                        }
-                        buf[s] = '\0';
-
-                        if (!sscanf(buf, "%s %*s %*s", key))
-                                continue;
-
-                        strncpy(ps->name, key, 256);
-
-                        /* cmdline */
-                        if (show_cmdline)
-                                pid_cmdline_strncpy(ps->name, pid, 256);
-                }
-        }
-}