Messages in this thread - First message in thread
- "Yan, Zheng"
- "Yan, Zheng"
- "Yan, Zheng"
- "Yan, Zheng"
- "Yan, Zheng"
- "Yan, Zheng"
- "Yan, Zheng"
- "Yan, Zheng"
- "Yan, Zheng"
- "Yan, Zheng"
- "Yan, Zheng"
- "Yan, Zheng"
- "Yan, Zheng"
- "Yan, Zheng"
- Peter Zijlstra
- Peter Zijlstra
- Stephane Eranian
Patch in this message | | | From | "Yan, Zheng" <> | Subject | [PATCH V6 03/13] perf: Allow pmu to choose cpu on which to install event | Date | Fri, 15 Jun 2012 14:31:32 +0800 |
| |
From: "Yan, Zheng" <zheng.z.yan@intel.com>
Allow the pmu->event_init callback to change event->cpu, so pmu can choose cpu on which to install event.
Signed-off-by: Zheng Yan <zheng.z.yan@intel.com> --- kernel/events/core.c | 8 ++++---- 1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/kernel/events/core.c b/kernel/events/core.c index d71a2d6..2c05027 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -6302,7 +6302,7 @@ SYSCALL_DEFINE5(perf_event_open, /* * Get the target context (task or percpu): */ - ctx = find_get_context(pmu, task, cpu); + ctx = find_get_context(pmu, task, event->cpu); if (IS_ERR(ctx)) { err = PTR_ERR(ctx); goto err_alloc; @@ -6375,16 +6375,16 @@ SYSCALL_DEFINE5(perf_event_open, mutex_lock(&ctx->mutex); if (move_group) { - perf_install_in_context(ctx, group_leader, cpu); + perf_install_in_context(ctx, group_leader, event->cpu); get_ctx(ctx); list_for_each_entry(sibling, &group_leader->sibling_list, group_entry) { - perf_install_in_context(ctx, sibling, cpu); + perf_install_in_context(ctx, sibling, event->cpu); get_ctx(ctx); } } - perf_install_in_context(ctx, event, cpu); + perf_install_in_context(ctx, event, event->cpu); ++ctx->generation; perf_unpin_context(ctx); mutex_unlock(&ctx->mutex); -- 1.7.6.5
| |