/***
This file is part of systemd.
- Copyright (C) 2009-2013 Intel Coproration
+ Copyright (C) 2009-2013 Intel Corporation
Authors:
Auke Kok <auke-jan.h.kok@intel.com>
#include <errno.h>
#include <fcntl.h>
#include <stdbool.h>
-#include <systemd/sd-journal.h>
+#include "systemd/sd-journal.h"
#include "util.h"
#include "fileio.h"
#include "store.h"
#include "svg.h"
#include "bootchart.h"
+#include "list.h"
double graph_start;
double log_start;
-double sampletime[MAXSAMPLES];
struct ps_struct *ps_first;
-struct block_stat_struct blockstat[MAXSAMPLES];
-int entropy_avail[MAXSAMPLES];
-struct cpu_stat_struct cpustat[MAXCPUS];
int pscount;
int cpus;
double interval;
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_OUTPUT "/run/log"
+
/* graph defaults */
bool arg_entropy = false;
bool 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 = 500; /* we record len+1 (1 start sample) */
-double arg_hz = 25.0; /* 20 seconds log time */
-double arg_scale_x = 100.0; /* 100px = 1sec */
-double arg_scale_y = 20.0; /* 16px = 1 process bar */
+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] = "/sbin/init";
-char arg_output_path[PATH_MAX] = "/run/log";
+char arg_init_path[PATH_MAX] = DEFAULT_INIT;
+char arg_output_path[PATH_MAX] = DEFAULT_OUTPUT;
static void signal_handler(int sig) {
if (sig++)
{ "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 }
};
- _cleanup_fclose_ FILE *f;
- int r;
- f = fopen(BOOTCHART_CONF, "re");
- if (!f)
- return;
-
- r = config_parse(NULL, BOOTCHART_CONF, f,
- NULL, config_item_table_lookup, (void*) items, true, NULL);
- if (r < 0)
- log_warning("Failed to parse configuration file: %s", strerror(-r));
+ config_parse_many(BOOTCHART_CONF,
+ CONF_DIRS_NULSTR("systemd/bootchart.conf"),
+ NULL, config_item_table_lookup, items, true, NULL);
if (init != NULL)
strscpy(arg_init_path, sizeof(arg_init_path), init);
strscpy(arg_output_path, sizeof(arg_output_path), output);
}
-static int parse_args(int argc, char *argv[]) {
- static 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'},
- {"help", no_argument, NULL, 'h'},
- {"scale-x", required_argument, NULL, 'x'},
- {"scale-y", required_argument, NULL, 'y'},
- {"entropy", no_argument, NULL, 'e'},
- {NULL, 0, NULL, 0}
+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);
+}
+
+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;
+ int c, r;
- while ((c = getopt_long(argc, argv, "erpf:n:o:i:FChx:y:", options, NULL)) >= 0) {
- int 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("failed to parse --freq/-f argument '%s': %s",
- optarg, strerror(-r));
+ log_warning_errno(r, "failed to parse --freq/-f argument '%s': %m",
+ optarg);
break;
case 'F':
arg_filter = false;
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("failed to parse --samples/-n argument '%s': %s",
- optarg, strerror(-r));
+ log_warning_errno(r, "failed to parse --samples/-n argument '%s': %m",
+ optarg);
break;
case 'o':
path_kill_slashes(optarg);
case 'x':
r = safe_atod(optarg, &arg_scale_x);
if (r < 0)
- log_warning("failed to parse --scale-x/-x argument '%s': %s",
- optarg, strerror(-r));
+ 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("failed to parse --scale-y/-y argument '%s': %s",
- optarg, strerror(-r));
+ log_warning_errno(r, "failed to parse --scale-y/-y argument '%s': %m",
+ optarg);
break;
case 'e':
arg_entropy = true;
break;
- case 'h':
- fprintf(stderr, "Usage: %s [OPTIONS]\n", argv[0]);
- fprintf(stderr, " --rel, -r Record time relative to recording\n");
- fprintf(stderr, " --freq, -f f Sample frequency [%f]\n", arg_hz);
- fprintf(stderr, " --samples, -n N Stop sampling at [%d] samples\n", arg_samples_len);
- fprintf(stderr, " --scale-x, -x N Scale the graph horizontally [%f] \n", arg_scale_x);
- fprintf(stderr, " --scale-y, -y N Scale the graph vertically [%f] \n", arg_scale_y);
- fprintf(stderr, " --pss, -p Enable PSS graph (CPU intensive)\n");
- fprintf(stderr, " --entropy, -e Enable the entropy_avail graph\n");
- fprintf(stderr, " --output, -o [PATH] Path to output files [%s]\n", arg_output_path);
- fprintf(stderr, " --init, -i [PATH] Path to init executable [%s]\n", arg_init_path);
- fprintf(stderr, " --no-filter, -F Disable filtering of processes from the graph\n");
- fprintf(stderr, " that are of less importance or short-lived\n");
- fprintf(stderr, " --cmdline, -C Display the full command line with arguments\n");
- fprintf(stderr, " of processes, instead of only the process name\n");
- fprintf(stderr, " --help, -h Display this message\n");
- fprintf(stderr, "See bootchart.conf for more information.\n");
- exit (EXIT_SUCCESS);
+ case ARG_PERCPU:
+ arg_percpu = true;
break;
+ case 'h':
+ help();
+ return 0;
+ case '?':
+ if (getpid() != 1)
+ return -EINVAL;
+ else
+ return 0;
default:
- break;
+ assert_not_reached("Unhandled option code.");
}
- }
-
- if (arg_samples_len > MAXSAMPLES) {
- fprintf(stderr, "Error: samples exceeds maximum\n");
- return -EINVAL;
- }
- if (arg_hz <= 0.0) {
- fprintf(stderr, "Error: Frequency needs to be > 0\n");
+ if (arg_hz <= 0) {
+ log_error("Frequency needs to be > 0");
return -EINVAL;
}
- return 0;
+ return 1;
}
-static void do_journal_append(char *file)
-{
+static void do_journal_append(char *file) {
struct iovec iovec[5];
int r, f, j = 0;
ssize_t n;
- char _cleanup_free_ *bootchart_file = NULL, *bootchart_message = NULL,
+ _cleanup_free_ char *bootchart_file = NULL, *bootchart_message = NULL,
*p = NULL;
bootchart_file = strappend("BOOTCHART_FILE=", file);
p = malloc(9 + BOOTCHART_MAX);
if (!p) {
- r = log_oom();
+ log_oom();
return;
}
memcpy(p, "BOOTCHART=", 10);
- f = open(file, O_RDONLY);
+ f = open(file, O_RDONLY|O_CLOEXEC);
if (f < 0) {
- log_error("Failed to read bootchart data: %m\n");
+ 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("Failed to read bootchart data: %s\n", strerror(-n));
+ log_error_errno(n, "Failed to read bootchart data: %m");
close(f);
return;
}
r = sd_journal_sendv(iovec, j);
if (r < 0)
- log_error("Failed to send bootchart: %s", strerror(-r));
+ log_error_errno(r, "Failed to send bootchart: %m");
}
int main(int argc, char *argv[]) {
time_t t = 0;
int r;
struct rlimit rlim;
+ bool has_procfs = false;
parse_conf();
- r = parse_args(argc, argv);
- if (r < 0)
- return EXIT_FAILURE;
+ r = parse_argv(argc, argv);
+ if (r <= 0)
+ return r == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
/*
* If the kernel executed us through init=/usr/lib/systemd/systemd-bootchart, then
* fork:
- * - parent execs executable specified via init_path[] (/sbin/init by default) as pid=1
+ * - parent execs executable specified via init_path[] (/usr/lib/systemd/systemd by default) as pid=1
* - child logs data
*/
if (getpid() == 1) {
(void) setrlimit(RLIMIT_NOFILE, &rlim);
/* start with empty ps LL */
- ps_first = calloc(1, sizeof(struct ps_struct));
+ ps_first = new0(struct ps_struct, 1);
if (!ps_first) {
- perror("calloc(ps_struct)");
- exit(EXIT_FAILURE);
+ log_oom();
+ return EXIT_FAILURE;
}
/* handle TERM/INT nicely */
log_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);
+ }
+
+ has_procfs = access("/proc/vmstat", F_OK) == 0;
+
+ LIST_HEAD_INIT(head);
+
/* main program loop */
for (samples = 0; !exiting && samples < arg_samples_len; samples++) {
int res;
double elapsed;
double timeleft;
- sampletime[samples] = gettime_ns();
+ sampledata = new0(struct list_sample_data, 1);
+ if (sampledata == NULL) {
+ log_oom();
+ return EXIT_FAILURE;
+ }
+
+ sampledata->sampletime = gettime_ns();
+ sampledata->counter = samples;
if (!of && (access(arg_output_path, R_OK|W_OK|X_OK) == 0)) {
t = time(NULL);
- strftime(datestr, sizeof(datestr), "%Y%m%d-%H%M", localtime(&t));
+ 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, "w");
+ of = fopen(output_file, "we");
}
if (sysfd < 0)
- sysfd = open("/sys", O_RDONLY);
+ sysfd = open("/sys", O_RDONLY|O_CLOEXEC);
- if (!build)
- parse_env_file("/etc/os-release", NEWLINE,
- "PRETTY_NAME", &build,
- NULL);
+ 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);
+ }
- /* wait for /proc to become available, discarding samples */
- if (graph_start <= 0.0)
- log_uptime();
+ if (has_procfs)
+ log_sample(samples, &sampledata);
else
- log_sample(samples);
+ /* wait for /proc to become available, discarding samples */
+ has_procfs = access("/proc/vmstat", F_OK) == 0;
sample_stop = gettime_ns();
- elapsed = (sample_stop - sampletime[samples]) * 1000000000.0;
+ elapsed = (sample_stop - sampledata->sampletime) * 1000000000.0;
timeleft = interval - elapsed;
newint_s = (time_t)(timeleft / 1000000000.0);
/* caught signal, probably HUP! */
break;
}
- perror("nanosleep()");
- exit (EXIT_FAILURE);
+ log_error_errno(errno, "nanosleep() failed: %m");
+ exit(EXIT_FAILURE);
}
} else {
overrun++;
/* calculate how many samples we lost and scrap them */
arg_samples_len -= (int)(newint_ns / interval);
}
+ LIST_PREPEND(link, head, sampledata);
}
/* do some cleanup, close fd's */
if (!of) {
t = time(NULL);
- strftime(datestr, sizeof(datestr), "%Y%m%d-%H%M", localtime(&t));
+ 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, "w");
+ of = fopen(output_file, "we");
}
if (!of) {
exit (EXIT_FAILURE);
}
- svg_do(build);
+ svg_do(strna(build));
fprintf(stderr, "systemd-bootchart wrote %s\n", output_file);
close(sysfd);
/* nitpic cleanups */
- ps = ps_first;
+ ps = ps_first->next_ps;
while (ps->next_ps) {
- struct ps_struct *old = 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)
fprintf(stderr, "systemd-boochart: Warning: sample time overrun %i times\n", overrun);
~ianmdlvl / elogind.git / blobdiff