#include "strxcpyx.h"
#include "store.h"
#include "bootchart.h"
+#include "cgroup-util.h"
/*
* Alloc a static 4k buffer for stdio - primarily used to increase
return (n.tv_sec + (n.tv_nsec / 1000000000.0));
}
-void log_uptime(void) {
- _cleanup_fclose_ FILE *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);
+static double gettime_up(void) {
+ struct timespec n;
- log_start = gettime_ns();
+ clock_gettime(CLOCK_BOOTTIME, &n);
+ return (n.tv_sec + (n.tv_nsec / 1000000000.0));
+}
- /* start graph at kernel boot time */
+void log_uptime(void) {
if (arg_relative)
- graph_start = log_start;
- else
+ 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) {
struct list_sample_data *sampledata;
struct ps_sched_struct *ps_prev = NULL;
-
-
sampledata = *ptr;
/* all the per-process stuff goes here */
/* block stuff */
vmstat = openat(procfd, "vmstat", O_RDONLY);
if (vmstat == -1) {
- perror("open /proc/vmstat");
- exit (EXIT_FAILURE);
+ log_error("Failed to open /proc/vmstat: %m");
+ exit(EXIT_FAILURE);
}
}
/* overall CPU utilization */
schedstat = openat(procfd, "schedstat", O_RDONLY);
if (schedstat == -1) {
- perror("open /proc/schedstat");
- exit (EXIT_FAILURE);
+ log_error("Failed to open /proc/schedstat: %m");
+ exit(EXIT_FAILURE);
}
}
char t[32];
struct ps_struct *parent;
- ps->next_ps = calloc(1, sizeof(struct ps_struct));
+ ps->next_ps = new0(struct ps_struct, 1);
if (!ps->next_ps) {
- perror("calloc(ps_struct)");
+ log_oom();
exit (EXIT_FAILURE);
}
ps = ps->next_ps;
ps->pid = pid;
- ps->sample = calloc(1, sizeof(struct ps_sched_struct));
+ ps->sample = new0(struct ps_sched_struct, 1);
if (!ps->sample) {
- perror("calloc(ps_struct)");
+ log_oom();
exit (EXIT_FAILURE);
}
ps->sample->sampledata = sampledata;
ps->starttime = strtod(t, NULL) / 1000.0;
+ if (arg_show_cgroup)
+ /* if this fails, that's OK */
+ cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER,
+ ps->pid, &ps->cgroup);
+
/* ppid */
sprintf(filename, "%d/stat", pid);
fd = openat(procfd, filename, O_RDONLY);
while ((parent->next_ps && parent->pid != ps->ppid))
parent = parent->next_ps;
- if ((!parent) || (parent->pid != ps->ppid)) {
+ if (parent->pid != ps->ppid) {
/* orphan */
ps->ppid = 1;
parent = ps_first->next_ps;
if (!sscanf(buf, "%s %s %*s", rt, wt))
continue;
- ps->sample->next = calloc(1, sizeof(struct ps_sched_struct));
+ ps->sample->next = new0(struct ps_sched_struct, 1);
if (!ps->sample) {
- perror("calloc(ps_struct)");
- exit (EXIT_FAILURE);
+ log_oom();
+ exit(EXIT_FAILURE);
}
ps->sample->next->prev = ps->sample;
ps->sample = ps->sample->next;