diff options
Diffstat (limited to 'src/bootchart/bootchart.c')
| -rw-r--r-- | src/bootchart/bootchart.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/bootchart/bootchart.c b/src/bootchart/bootchart.c index 0ae72c29bb..fc00b4e3f2 100644 --- a/src/bootchart/bootchart.c +++ b/src/bootchart/bootchart.c @@ -310,6 +310,7 @@ int main(int argc, char *argv[]) { time_t t = 0; int r; struct rlimit rlim; + bool has_procfs = false; parse_conf(); @@ -349,6 +350,8 @@ int main(int argc, char *argv[]) { log_uptime(); + has_procfs = access("/proc/vmstat", F_OK) == 0; + LIST_HEAD_INIT(head); /* main program loop */ @@ -385,11 +388,11 @@ int main(int argc, char *argv[]) { 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(); - else + if (has_procfs) log_sample(samples, &sampledata); + else + /* wait for /proc to become available, discarding samples */ + has_procfs = access("/proc/vmstat", F_OK) == 0; sample_stop = gettime_ns(); |