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| author | Robert Richter <robert.richter@amd.com> | 2012-04-02 20:19:09 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-05-09 15:23:12 +0200 |
| commit | 7bf352384fda3f678a283928c6c5b2cd9da877e4 (patch) | |
| tree | 8a091d349a1852e4e8179f1102673ee93ee5118a /arch/x86/kernel/cpu | |
| parent | perf: Pass last sampling period to perf_sample_data_init() (diff) | |
| download | linux-7bf352384fda3f678a283928c6c5b2cd9da877e4.tar.xz linux-7bf352384fda3f678a283928c6c5b2cd9da877e4.zip | |
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>
Diffstat (limited to 'arch/x86/kernel/cpu')
| -rw-r--r-- | 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 2317228b5299..ebf169fe40ef 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); |