diff options
| author | Morten Rasmussen <Morten.Rasmussen@arm.com> | 2012-09-14 14:38:16 +0100 |
|---|---|---|
| committer | Jon Medhurst <tixy@linaro.org> | 2013-07-17 11:12:25 +0100 |
| commit | 0d811e649ad31994e8f06b6b18101f249b34e912 (patch) | |
| tree | 2ccd5b16c457d74a21ebed1a86a2166c3c208337 /include | |
| parent | b9d3d5612899de4f8372ecfbc4c8f4ba5aa170ec (diff) | |
sched: Add HMP task migration ftrace event
Adds ftrace event for tracing task migrations using HMP
optimized scheduling.
Signed-off-by: Morten Rasmussen <Morten.Rasmussen@arm.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/trace/events/sched.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h index 496445daa54..203e8e9933b 100644 --- a/include/trace/events/sched.h +++ b/include/trace/events/sched.h @@ -555,6 +555,34 @@ TRACE_EVENT(sched_task_usage_ratio, __entry->comm, __entry->pid, __entry->ratio) ); + +/* + * Tracepoint for HMP (CONFIG_SCHED_HMP) task migrations. + */ +TRACE_EVENT(sched_hmp_migrate, + + TP_PROTO(struct task_struct *tsk, int dest, int force), + + TP_ARGS(tsk, dest, force), + + TP_STRUCT__entry( + __array(char, comm, TASK_COMM_LEN) + __field(pid_t, pid) + __field(int, dest) + __field(int, force) + ), + + TP_fast_assign( + memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN); + __entry->pid = tsk->pid; + __entry->dest = dest; + __entry->force = force; + ), + + TP_printk("comm=%s pid=%d dest=%d force=%d", + __entry->comm, __entry->pid, + __entry->dest, __entry->force) +); #endif /* _TRACE_SCHED_H */ /* This part must be outside protection */ |