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tracing: Add sched_wakeup_new and sched_waking tracepoints for pid filter

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The set_event_pid filter relies on attaching to the sched_switch and
sched_wakeup tracepoints to see if it should filter the tracing on schedule
tracepoints. By adding the callbacks to sched_wakeup, pids in the
set_event_pid file will trace the wakeups of those tasks with those pids.

But sched_wakeup_new and sched_waking were missed. These two should also be
traced. Luckily, these tracepoints share the same class as sched_wakeup
which means they can use the same pre and post callbacks as sched_wakeup
does.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt (Red Hat) 2015-12-01 16:08:05 -05:00 committed by Steven Rostedt
parent bd1b7cd360
commit 0f72e37e42
1 changed files with 16 additions and 0 deletions
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16
kernel/trace/trace_events.c
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@ -582,6 +582,12 @@ static void __ftrace_clear_event_pids(struct trace_array *tr)
unregister_trace_sched_wakeup(event_filter_pid_sched_wakeup_probe_pre, tr);
unregister_trace_sched_wakeup(event_filter_pid_sched_wakeup_probe_post, tr);
unregister_trace_sched_wakeup_new(event_filter_pid_sched_wakeup_probe_pre, tr);
unregister_trace_sched_wakeup_new(event_filter_pid_sched_wakeup_probe_post, tr);
unregister_trace_sched_waking(event_filter_pid_sched_wakeup_probe_pre, tr);
unregister_trace_sched_waking(event_filter_pid_sched_wakeup_probe_post, tr);
list_for_each_entry(file, &tr->events, list) {
clear_bit(EVENT_FILE_FL_PID_FILTER_BIT, &file->flags);
}
@ -1729,6 +1735,16 @@ ftrace_event_pid_write(struct file *filp, const char __user *ubuf,
tr, INT_MAX);
register_trace_prio_sched_wakeup(event_filter_pid_sched_wakeup_probe_post,
tr, 0);
register_trace_prio_sched_wakeup_new(event_filter_pid_sched_wakeup_probe_pre,
tr, INT_MAX);
register_trace_prio_sched_wakeup_new(event_filter_pid_sched_wakeup_probe_post,
tr, 0);
register_trace_prio_sched_waking(event_filter_pid_sched_wakeup_probe_pre,
tr, INT_MAX);
register_trace_prio_sched_waking(event_filter_pid_sched_wakeup_probe_post,
tr, 0);
}
/*