Commit 4b854900 authored by Yan, Zheng's avatar Yan, Zheng Committed by Ingo Molnar

perf/x86/intel: Re-organize code that implicitly enables LBR/PEBS

Make later patch more readable, no logic change.
Signed-off-by: default avatarYan, Zheng <zheng.z.yan@intel.com>
Signed-off-by: default avatarKan Liang <kan.liang@intel.com>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: eranian@google.com
Cc: jolsa@redhat.com
Link: http://lkml.kernel.org/r/1415156173-10035-13-git-send-email-kan.liang@intel.comSigned-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent a46a2300
...@@ -399,12 +399,12 @@ int x86_pmu_hw_config(struct perf_event *event) ...@@ -399,12 +399,12 @@ int x86_pmu_hw_config(struct perf_event *event)
if (event->attr.precise_ip > precise) if (event->attr.precise_ip > precise)
return -EOPNOTSUPP; return -EOPNOTSUPP;
}
/* /*
* check that PEBS LBR correction does not conflict with * check that PEBS LBR correction does not conflict with
* whatever the user is asking with attr->branch_sample_type * whatever the user is asking with attr->branch_sample_type
*/ */
if (event->attr.precise_ip > 1 && if (event->attr.precise_ip > 1 && x86_pmu.intel_cap.pebs_format < 2) {
x86_pmu.intel_cap.pebs_format < 2) {
u64 *br_type = &event->attr.branch_sample_type; u64 *br_type = &event->attr.branch_sample_type;
if (has_branch_stack(event)) { if (has_branch_stack(event)) {
...@@ -430,7 +430,6 @@ int x86_pmu_hw_config(struct perf_event *event) ...@@ -430,7 +430,6 @@ int x86_pmu_hw_config(struct perf_event *event)
*br_type |= PERF_SAMPLE_BRANCH_KERNEL; *br_type |= PERF_SAMPLE_BRANCH_KERNEL;
} }
} }
}
if (event->attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK) if (event->attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK)
event->attach_state |= PERF_ATTACH_TASK_DATA; event->attach_state |= PERF_ATTACH_TASK_DATA;
......
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