diff options
| author | Puja Gupta <pujag@codeaurora.org> | 2017-11-16 14:18:04 -0800 |
|---|---|---|
| committer | Pavankumar Kondeti <pkondeti@codeaurora.org> | 2018-01-05 09:15:54 +0530 |
| commit | f9e96dfcb886acb632bb287982fae51e7e31f289 (patch) | |
| tree | 593e2608c6a86e7f31cd032e3fb74d20b23079be /include | |
| parent | 6e92713cbafca57d48efdf2108fedb68addbb00b (diff) | |
sched: Update tracepoint to include task info
Update sched_get_task_cpu_cycles trace to include pid and name of the
task to help with debug better.
Change-Id: Ic307ebcf0a44c94bf0a2aa1a02b8aeff39010b29
Signed-off-by: Puja Gupta <pujag@codeaurora.org>
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/trace/events/sched.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h index 739bcb89f602..cc0ebe6867a5 100644 --- a/include/trace/events/sched.h +++ b/include/trace/events/sched.h @@ -436,9 +436,9 @@ TRACE_EVENT(sched_update_task_ravg, TRACE_EVENT(sched_get_task_cpu_cycles, - TP_PROTO(int cpu, int event, u64 cycles, u64 exec_time), + TP_PROTO(int cpu, int event, u64 cycles, u64 exec_time, struct task_struct *p), - TP_ARGS(cpu, event, cycles, exec_time), + TP_ARGS(cpu, event, cycles, exec_time, p), TP_STRUCT__entry( __field(int, cpu ) @@ -448,6 +448,8 @@ TRACE_EVENT(sched_get_task_cpu_cycles, __field(u32, freq ) __field(u32, legacy_freq ) __field(u32, max_freq) + __field(pid_t, pid ) + __array(char, comm, TASK_COMM_LEN ) ), TP_fast_assign( @@ -458,12 +460,14 @@ TRACE_EVENT(sched_get_task_cpu_cycles, __entry->freq = cpu_cycles_to_freq(cycles, exec_time); __entry->legacy_freq = cpu_cur_freq(cpu); __entry->max_freq = cpu_max_freq(cpu); + __entry->pid = p->pid; + memcpy(__entry->comm, p->comm, TASK_COMM_LEN); ), - TP_printk("cpu=%d event=%d cycles=%llu exec_time=%llu freq=%u legacy_freq=%u max_freq=%u", + TP_printk("cpu=%d event=%d cycles=%llu exec_time=%llu freq=%u legacy_freq=%u max_freq=%u task=%d (%s)", __entry->cpu, __entry->event, __entry->cycles, __entry->exec_time, __entry->freq, __entry->legacy_freq, - __entry->max_freq) + __entry->max_freq, __entry->pid, __entry->comm) ); TRACE_EVENT(sched_update_history, |