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| author | Cyrill Gorcunov <gorcunov@openvz.org> | 2010-05-08 15:39:52 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-05-08 14:17:52 +0200 |
| commit | de902d967feb96f2dfddfbe9dbd69dc22fd5ebcb (patch) | |
| tree | f3f22deb11cf38e71cb4f08871a5d4a9e2e074f5 | |
| parent | 6e85158cf5a2385264316870256fb6ad681156a0 (diff) | |
| download | talos-obmc-linux-de902d967feb96f2dfddfbe9dbd69dc22fd5ebcb.tar.gz talos-obmc-linux-de902d967feb96f2dfddfbe9dbd69dc22fd5ebcb.zip | |
x86, perf: P4 PMU -- configure predefined events
If an event is not RAW we should not exit p4_hw_config
early but call x86_setup_perfctr as well.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Lin Ming <ming.m.lin@intel.com>
Cc: Robert Richter <robert.richter@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | arch/x86/kernel/cpu/perf_event_p4.c | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/arch/x86/kernel/cpu/perf_event_p4.c b/arch/x86/kernel/cpu/perf_event_p4.c index 9e002054cb5f..b1f532d1d36f 100644 --- a/arch/x86/kernel/cpu/perf_event_p4.c +++ b/arch/x86/kernel/cpu/perf_event_p4.c @@ -439,21 +439,20 @@ static int p4_hw_config(struct perf_event *event) if (p4_ht_active() && p4_ht_thread(cpu)) event->hw.config = p4_set_ht_bit(event->hw.config); - if (event->attr.type != PERF_TYPE_RAW) - return 0; - - /* - * We don't control raw events so it's up to the caller - * to pass sane values (and we don't count the thread number - * on HT machine but allow HT-compatible specifics to be - * passed on) - * - * XXX: HT wide things should check perf_paranoid_cpu() && - * CAP_SYS_ADMIN - */ - event->hw.config |= event->attr.config & - (p4_config_pack_escr(P4_ESCR_MASK_HT) | - p4_config_pack_cccr(P4_CCCR_MASK_HT)); + if (event->attr.type == PERF_TYPE_RAW) { + /* + * We don't control raw events so it's up to the caller + * to pass sane values (and we don't count the thread number + * on HT machine but allow HT-compatible specifics to be + * passed on) + * + * XXX: HT wide things should check perf_paranoid_cpu() && + * CAP_SYS_ADMIN + */ + event->hw.config |= event->attr.config & + (p4_config_pack_escr(P4_ESCR_MASK_HT) | + p4_config_pack_cccr(P4_CCCR_MASK_HT)); + } return x86_setup_perfctr(event); } |
