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authorPeter Zijlstra <peterz@infradead.org>2016-08-16 13:33:26 +0200
committerIngo Molnar <mingo@kernel.org>2016-08-18 10:35:49 +0200
commitcca2094605efe6ccf43ff2876dd5bccc799202d8 (patch)
tree602620076d8e75ee2cf71154fbafe6243caa405f /Documentation/vDSO
parentuprobes: Fix the memcg accounting (diff)
downloadlinux-cca2094605efe6ccf43ff2876dd5bccc799202d8.tar.xz
linux-cca2094605efe6ccf43ff2876dd5bccc799202d8.zip
perf/core: Fix event_function_local()
Vincent reported triggering the WARN_ON_ONCE() in event_function_local(). While thinking through cases I noticed that by using event_function() directly, we miss the inactive case usually handled by event_function_call(). Therefore construct a blend of event_function_call() and event_function() that handles the cases relevant to event_function_local(). Reported-by: Vince Weaver <vincent.weaver@maine.edu> 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: stable@vger.kernel.org # 4.5+ Fixes: fae3fde65138 ("perf: Collapse and fix event_function_call() users") Signed-off-by: Ingo Molnar <mingo@kernel.org>
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