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Diffstat (limited to 'include/linux/perf_event.h')
-rw-r--r--include/linux/perf_event.h32
1 files changed, 9 insertions, 23 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 8e22f24ded6a..874b71a70058 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -485,9 +485,9 @@ struct perf_addr_filters_head {
};
/**
- * enum perf_event_active_state - the states of a event
+ * enum perf_event_state - the states of a event
*/
-enum perf_event_active_state {
+enum perf_event_state {
PERF_EVENT_STATE_DEAD = -4,
PERF_EVENT_STATE_EXIT = -3,
PERF_EVENT_STATE_ERROR = -2,
@@ -578,7 +578,7 @@ struct perf_event {
struct pmu *pmu;
void *pmu_private;
- enum perf_event_active_state state;
+ enum perf_event_state state;
unsigned int attach_state;
local64_t count;
atomic64_t child_count;
@@ -588,26 +588,10 @@ struct perf_event {
* has been enabled (i.e. eligible to run, and the task has
* been scheduled in, if this is a per-task event)
* and running (scheduled onto the CPU), respectively.
- *
- * They are computed from tstamp_enabled, tstamp_running and
- * tstamp_stopped when the event is in INACTIVE or ACTIVE state.
*/
u64 total_time_enabled;
u64 total_time_running;
-
- /*
- * These are timestamps used for computing total_time_enabled
- * and total_time_running when the event is in INACTIVE or
- * ACTIVE state, measured in nanoseconds from an arbitrary point
- * in time.
- * tstamp_enabled: the notional time when the event was enabled
- * tstamp_running: the notional time when the event was scheduled on
- * tstamp_stopped: in INACTIVE state, the notional time when the
- * event was scheduled off.
- */
- u64 tstamp_enabled;
- u64 tstamp_running;
- u64 tstamp_stopped;
+ u64 tstamp;
/*
* timestamp shadows the actual context timing but it can
@@ -699,7 +683,6 @@ struct perf_event {
#ifdef CONFIG_CGROUP_PERF
struct perf_cgroup *cgrp; /* cgroup event is attach to */
- int cgrp_defer_enabled;
#endif
struct list_head sb_list;
@@ -806,6 +789,7 @@ struct perf_output_handle {
struct bpf_perf_event_data_kern {
struct pt_regs *regs;
struct perf_sample_data *data;
+ struct perf_event *event;
};
#ifdef CONFIG_CGROUP_PERF
@@ -884,7 +868,8 @@ perf_event_create_kernel_counter(struct perf_event_attr *attr,
void *context);
extern void perf_pmu_migrate_context(struct pmu *pmu,
int src_cpu, int dst_cpu);
-int perf_event_read_local(struct perf_event *event, u64 *value);
+int perf_event_read_local(struct perf_event *event, u64 *value,
+ u64 *enabled, u64 *running);
extern u64 perf_event_read_value(struct perf_event *event,
u64 *enabled, u64 *running);
@@ -1286,7 +1271,8 @@ static inline const struct perf_event_attr *perf_event_attrs(struct perf_event *
{
return ERR_PTR(-EINVAL);
}
-static inline int perf_event_read_local(struct perf_event *event, u64 *value)
+static inline int perf_event_read_local(struct perf_event *event, u64 *value,
+ u64 *enabled, u64 *running)
{
return -EINVAL;
}