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Avi Kivity 4dc0da8696 perf: Add context field to perf_event ... The perf_event overflow handler does not receive any caller-derived argument, so many callers need to resort to looking up the perf_event in their local data structure. This is ugly and doesn't scale if a single callback services many perf_events. Fix by adding a context parameter to perf_event_create_kernel_counter() (and derived hardware breakpoints APIs) and storing it in the perf_event. The field can be accessed from the callback as event->overflow_handler_context. All callers are updated. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1309362157-6596-2-git-send-email-avi@redhat.com Signed-off-by: Ingo Molnar <mingo@elte.hu>		2011-07-01 11:06:38 +02:00
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Makefile	hw-breakpoints: sample HW breakpoint over kernel data address	2009-06-02 22:47:00 +02:00
data_breakpoint.c	perf: Add context field to perf_event	2011-07-01 11:06:38 +02:00