diff options
Diffstat (limited to 'include/linux/perf_event.h')
| -rw-r--r-- | include/linux/perf_event.h | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 2b621982938d..a503100388cc 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -262,9 +262,15 @@ struct pmu { int (*event_idx) (struct perf_event *event); /*optional */ /* - * flush branch stack on context-switches (needed in cpu-wide mode) + * context-switches callback */ - void (*flush_branch_stack) (void); + void (*sched_task) (struct perf_event_context *ctx, + bool sched_in); + /* + * PMU specific data size + */ + size_t task_ctx_size; + }; /** @@ -300,6 +306,7 @@ struct swevent_hlist { #define PERF_ATTACH_CONTEXT 0x01 #define PERF_ATTACH_GROUP 0x02 #define PERF_ATTACH_TASK 0x04 +#define PERF_ATTACH_TASK_DATA 0x08 struct perf_cgroup; struct ring_buffer; @@ -504,7 +511,7 @@ struct perf_event_context { u64 generation; int pin_count; int nr_cgroups; /* cgroup evts */ - int nr_branch_stack; /* branch_stack evt */ + void *task_ctx_data; /* pmu specific data */ struct rcu_head rcu_head; struct delayed_work orphans_remove; @@ -558,6 +565,8 @@ extern void perf_event_delayed_put(struct task_struct *task); extern void perf_event_print_debug(void); extern void perf_pmu_disable(struct pmu *pmu); extern void perf_pmu_enable(struct pmu *pmu); +extern void perf_sched_cb_dec(struct pmu *pmu); +extern void perf_sched_cb_inc(struct pmu *pmu); extern int perf_event_task_disable(void); extern int perf_event_task_enable(void); extern int perf_event_refresh(struct perf_event *event, int refresh); @@ -800,6 +809,11 @@ static inline bool has_branch_stack(struct perf_event *event) return event->attr.sample_type & PERF_SAMPLE_BRANCH_STACK; } +static inline bool needs_branch_stack(struct perf_event *event) +{ + return event->attr.branch_sample_type != 0; +} + extern int perf_output_begin(struct perf_output_handle *handle, struct perf_event *event, unsigned int size); extern void perf_output_end(struct perf_output_handle *handle); |