***/
-#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>
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 */
}
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[]) {
static void do_journal_append(char *file) {
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;
+ _cleanup_close_ int fd = -1;
bootchart_file = strappend("BOOTCHART_FILE=", file);
if (bootchart_file)
memcpy(p, "BOOTCHART=", 10);
- f = open(file, O_RDONLY|O_CLOEXEC);
- if (f < 0) {
- log_error_errno(errno, "Failed to read bootchart data: %m");
+ fd = open(file, O_RDONLY|O_CLOEXEC);
+ if (fd < 0) {
+ log_error_errno(errno, "Failed to open bootchart data \"%s\": %m", file);
return;
}
- n = loop_read(f, p + 10, BOOTCHART_MAX, false);
+
+ n = loop_read(fd, p + 10, BOOTCHART_MAX, false);
if (n < 0) {
log_error_errno(n, "Failed to read bootchart data: %m");
- close(f);
return;
}
- close(f);
iovec[j].iov_base = p;
iovec[j].iov_len = 10 + n;
int main(int argc, char *argv[]) {
_cleanup_free_ char *build = NULL;
+ _cleanup_close_ int sysfd = -1;
+ _cleanup_closedir_ DIR *proc = NULL;
struct sigaction sig = {
.sa_handler = signal_handler,
};
time_t t = 0;
int r;
struct rlimit rlim;
- bool has_procfs = false;
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
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);
+ 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;
}
- has_procfs = access("/proc/vmstat", F_OK) == 0;
-
LIST_HEAD_INIT(head);
/* main program loop */
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);
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, &sampledata);
+ if (r < 0)
+ return EXIT_FAILURE;
+ }
sample_stop = gettime_ns();
break;
}
log_error_errno(errno, "nanosleep() failed: %m");
- exit(EXIT_FAILURE);
+ return EXIT_FAILURE;
}
} else {
overrun++;
ps = ps_first;
while (ps->next_ps) {
ps = ps->next_ps;
- if (ps->schedstat)
+ if (ps->schedstat >= 0)
close(ps->schedstat);
- if (ps->sched)
+ if (ps->sched >= 0)
close(ps->sched);
if (ps->smaps)
fclose(ps->smaps);
}
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));
+ r = svg_do(strna(build));
+ if (r < 0) {
+ log_error_errno(r, "Error generating svg file: %m\n");
+ return EXIT_FAILURE;
+ }
- fprintf(stderr, "systemd-bootchart wrote %s\n", output_file);
+ log_info("systemd-bootchart wrote %s\n", output_file);
do_journal_append(output_file);
if (of)
fclose(of);
- closedir(proc);
- if (sysfd >= 0)
- close(sysfd);
-
/* nitpic cleanups */
ps = ps_first->next_ps;
while (ps->next_ps) {
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;
}
~ianmdlvl / elogind.git / blobdiff