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perf/x86-ibs: Enable ibs op micro-ops counting mode 

Allow enabling ibs op micro-ops counting mode.

Signed-off-by: Robert Richter <robert.richter@amd.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1333390758-10893-4-git-send-email-robert.richter@amd.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Robert Richter 2012-04-02 20:19:09 +02:00 committed by Ingo Molnar
parent fd0d000b2c
commit 7bf352384f
1 changed files with 2 additions and 0 deletions
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2
arch/x86/kernel/cpu/perf_event_amd_ibs.c
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@ -468,6 +468,8 @@ static __init int perf_event_ibs_init(void)
return -ENODEV; /* ibs not supported by the cpu */
perf_ibs_pmu_init(&perf_ibs_fetch, "ibs_fetch");
if (ibs_caps & IBS_CAPS_OPCNT)
perf_ibs_op.config_mask |= IBS_OP_CNT_CTL;
perf_ibs_pmu_init(&perf_ibs_op, "ibs_op");
register_nmi_handler(NMI_LOCAL, perf_ibs_nmi_handler, 0, "perf_ibs");
printk(KERN_INFO "perf: AMD IBS detected (0x%08x)\n", ibs_caps);