perf/x86: Add sanity checks to x86_schedule_events()

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By computing the 'committed' index earlier, we can use it to validate
the cached constraint state.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Signed-off-by: Ingo Molnar <mingo@kernel.org>

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Peter Zijlstra 2019-03-14 13:25:02 +01:00 • committed by Ingo Molnar

parent 109717de57

commit f80deefa41

1 changed files with 19 additions and 13 deletions

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32

arch/x86/events/core.c

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