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perf/x86: Blacklist all MEM_*_RETIRED events for Ivy Bridge
authorPeter Zijlstra <[email protected]>
Fri, 3 May 2013 12:11:23 +0000 (14:11 +0200)
committerIngo Molnar <[email protected]>
Sat, 4 May 2013 06:37:46 +0000 (08:37 +0200)
commit741a698f420c34c458294a6accecfbad702a7c52
treedaf6398ca14c71875d0a6dd5f09b12a40ea2df8btree | snapshot
parent5919b30933d7c4fac1f214c59f26c5e990044f09commit | diff
perf/x86: Blacklist all MEM_*_RETIRED events for Ivy Bridge

Errata BV98 states that all MEM_*_RETIRED events corrupt the
counter value of the SMT sibling's counters. Blacklist these
events

Reported-by: Andi Kleen <[email protected]>
Signed-off-by: Peter Zijlstra <[email protected]>
Cc: <[email protected]>
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
arch/x86/kernel/cpu/perf_event_intel.c diff | blob | blame | history
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