Messages in this thread Patch in this message |  | | | From | Robert Richter <> | | Subject | [PATCH 03/12] perf/x86-ibs: Enable ibs op micro-ops counting mode | | Date | Mon, 2 Apr 2012 20:19:09 +0200 |
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Allow enabling ibs op micro-ops counting mode.
Signed-off-by: Robert Richter <robert.richter@amd.com> --- arch/x86/kernel/cpu/perf_event_amd_ibs.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/arch/x86/kernel/cpu/perf_event_amd_ibs.c b/arch/x86/kernel/cpu/perf_event_amd_ibs.c index 74b663c..6f00ee3 100644 --- a/arch/x86/kernel/cpu/perf_event_amd_ibs.c +++ b/arch/x86/kernel/cpu/perf_event_amd_ibs.c @@ -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); -- 1.7.8.4
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