Oleg Nesterov 1d953111b6 perf/core: Don't report zero PIDs for exiting tasks ...

The exiting/dead task has no PIDs and in this case perf_event_pid/tid()
return zero, change them to return -1 to distinguish this case from
idle threads.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Arnaldo Carvalho <acme@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20170822155928.GA6892@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

2017-08-25 11:04:17 +02:00

..

callchain.c

perf/callchain: Force USER_DS when invoking perf_callchain_user()

2017-05-10 07:54:00 +02:00

core.c

perf/core: Don't report zero PIDs for exiting tasks

2017-08-25 11:04:17 +02:00

hw_breakpoint.c

perf: Collapse and fix event_function_call() users

2016-01-21 18:54:24 +01:00

internal.h

perf/aux: Ensure aux_wakeup represents most recent wakeup index

2017-08-25 11:04:16 +02:00

Makefile

ftrace: allow architectures to specify ftrace compile options

2015-01-29 09:19:19 +01:00

ring_buffer.c

perf/aux: Ensure aux_wakeup represents most recent wakeup index

2017-08-25 11:04:16 +02:00

uprobes.c

sched/headers: Prepare for new header dependencies before moving code to <linux/sched/coredump.h>

2017-03-02 08:42:28 +01:00