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authorJiri Olsa <jolsa@redhat.com>2013-05-01 17:25:44 +0200
committerIngo Molnar <mingo@kernel.org>2013-05-28 08:59:54 +0200
commitab573844e3058eef2788803d373019f8bebead57 (patch)
tree8d040ef2da05caccabce8ccb5f4b168ee3f63216 /init
parentddd40da4ccbabdd2e941837aa987e08dfa4396b4 (diff)
downloadop-kernel-dev-ab573844e3058eef2788803d373019f8bebead57.zip
op-kernel-dev-ab573844e3058eef2788803d373019f8bebead57.tar.gz
perf: Fix hw breakpoints overflow period sampling
The hw breakpoint pmu 'add' function is missing the period_left update needed for SW events. The perf HW breakpoint events use the SW events framework to process the overflow, so it needs to be properly initialized in the PMU 'add' method. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Reviewed-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Cc: Ingo Molnar <mingo@elte.hu> Cc: Paul Mackerras <paulus@samba.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Vince Weaver <vincent.weaver@maine.edu> Cc: Stephane Eranian <eranian@google.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1367421944-19082-5-git-send-email-jolsa@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
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