diff options
| author |   Peter Zijlstra <peterz@infradead.org> | 2017-09-22 18:30:40 +0200 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2017-09-29 11:02:56 +0200 |
| commit | 06eb61844d841d0032a9950ce7f8e783ee49c0d0 (patch) | |
| tree | 2c1db5ade5acc687e67f37d69e711bf0470df532 /include/trace/events/sched.h | |
| parent | sched/tracing: Use common task-state helpers (diff) | |
| download | linux-dev-06eb61844d841d0032a9950ce7f8e783ee49c0d0.tar.xz linux-dev-06eb61844d841d0032a9950ce7f8e783ee49c0d0.zip | |
sched/debug: Add explicit TASK_IDLE printing
Markus reported that kthreads that idle using TASK_IDLE instead of
TASK_INTERRUPTIBLE are reported in as TASK_UNINTERRUPTIBLE and things
like htop mark those red.
This is undesirable, so add an explicit state for TASK_IDLE.
Reported-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | include/trace/events/sched.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h index c63e20c9ef24..b371ef8206e1 100644 --- a/include/trace/events/sched.h +++ b/include/trace/events/sched.h @@ -156,10 +156,11 @@ TRACE_EVENT(sched_switch, TP_printk("prev_comm=%s prev_pid=%d prev_prio=%d prev_state=%s%s ==> next_comm=%s next_pid=%d next_prio=%d", __entry->prev_comm, __entry->prev_pid, __entry->prev_prio, - (__entry->prev_state & TASK_REPORT) ? - __print_flags(__entry->prev_state & TASK_REPORT, "|", + (__entry->prev_state & (TASK_REPORT_MAX - 1)) ? + __print_flags(__entry->prev_state & (TASK_REPORT_MAX - 1), "|", { 0x01, "S" }, { 0x02, "D" }, { 0x04, "T" }, - { 0x08, "t" }, { 0x10, "X" }, { 0x20, "Z" }) : + { 0x08, "t" }, { 0x10, "X" }, { 0x20, "Z" }, + { 0x40, "I" }) : "R", __entry->prev_state & TASK_STATE_MAX ? "+" : "", |