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Merge pull request #288 from jfernandez/process_runqlat

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scripts: whitespace cleanup for process_runqlat.bt
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David Vernet 2024-05-15 16:00:51 -05:00 committed by GitHub
commit dd724ba08d
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1 changed files with 28 additions and 30 deletions
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58
scripts/process_runqlat.bt
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@ -20,45 +20,43 @@
BEGIN
{
if ($1 == 0) {
printf("PID is missing, use `sudo ./trace.bt <pid>`\n");
exit();
}
printf("Instrumenting runqueue latency for PID %d. Hit Ctrl-C to end.\n", $1);
if ($1 == 0) {
printf("PID is missing, use `sudo ./process_runqlat.bt <pid>`\n");
exit();
}
printf("Instrumenting runqueue latency for PID %d. Hit Ctrl-C to end.\n", $1);
}
/*
* TP_PROTO(
* struct task_struct *p
* )
* args:
* - struct task_struct *p
*/
rawtracepoint:sched_wakeup,
rawtracepoint:sched_wakeup_new,
{
$task = (struct task_struct *)arg0;
// We filter by tgid to include all threads of the process
if ($task->tgid == $1) {
@qtime[$task->pid] = nsecs;
}
$task = (struct task_struct *)arg0;
// We filter by tgid to include all threads of the process
if ($task->tgid == $1) {
@qtime[$task->pid] = nsecs;
}
}
/*
* TP_PROTO(
* bool preempt,
* struct task_struct *prev,
* struct task_struct *next,
* unsigned int prev_state
*)
* args:
* - bool preempt
* - struct task_struct *prev
* - struct task_struct *next
* - unsigned int prev_state
*/
rawtracepoint:sched_switch
{
$prev = (struct task_struct *)arg1;
$next = (struct task_struct *)arg2;
$prev_state = arg3;
$prev = (struct task_struct *)arg1;
$next = (struct task_struct *)arg2;
$prev_state = arg3;
if ($next->tgid != $1) {
return;
}
if ($next->tgid != $1) {
return;
}
if ($prev_state == TASK_RUNNING && $prev->tgid == $1) {
@qtime[$prev->pid] = nsecs;
@ -66,15 +64,15 @@ rawtracepoint:sched_switch
$nsec = @qtime[$next->pid];
if ($nsec) {
$usec = (nsecs - $nsec) / 1000;
@usec_total_stats = stats($usec);
@usec_hist = hist($usec);
@tasks[$next->comm, $next->pid] = stats($usec);
$usec = (nsecs - $nsec) / 1000;
@usec_total_stats = stats($usec);
@usec_hist = hist($usec);
@tasks[$next->comm, $next->pid] = stats($usec);
}
delete(@qtime[$next->pid]);
}
END
{
clear(@qtime);
clear(@qtime);
}