diff options
Diffstat (limited to 'include/linux/perf_counter.h')
| -rw-r--r-- | include/linux/perf_counter.h | 28 |
1 files changed, 10 insertions, 18 deletions
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h index 5bd8817b12d4..4809ae18a940 100644 --- a/include/linux/perf_counter.h +++ b/include/linux/perf_counter.h @@ -201,8 +201,9 @@ struct perf_counter_mmap_page { __u32 data_head; /* head in the data section */ }; -#define PERF_EVENT_MISC_KERNEL (1 << 0) -#define PERF_EVENT_MISC_USER (1 << 1) +#define PERF_EVENT_MISC_KERNEL (1 << 0) +#define PERF_EVENT_MISC_USER (1 << 1) +#define PERF_EVENT_MISC_OVERFLOW (1 << 2) struct perf_event_header { __u32 type; @@ -230,36 +231,27 @@ enum perf_event_type { PERF_EVENT_MUNMAP = 2, /* - * Half the event type space is reserved for the counter overflow - * bitfields, as found in hw_event.record_type. - * - * These events will have types of the form: - * PERF_EVENT_COUNTER_OVERFLOW { | __PERF_EVENT_* } * + * When header.misc & PERF_EVENT_MISC_OVERFLOW the event_type field + * will be PERF_RECORD_* * * struct { * struct perf_event_header header; * - * { u64 ip; } && __PERF_EVENT_IP - * { u32 pid, tid; } && __PERF_EVENT_TID + * { u64 ip; } && PERF_RECORD_IP + * { u32 pid, tid; } && PERF_RECORD_TID * * { u64 nr; - * { u64 event, val; } cnt[nr]; } && __PERF_EVENT_GROUP + * { u64 event, val; } cnt[nr]; } && PERF_RECORD_GROUP * * { u16 nr, * hv, * kernel, * user; - * u64 ips[nr]; } && __PERF_EVENT_CALLCHAIN + * u64 ips[nr]; } && PERF_RECORD_CALLCHAIN * - * { u64 time; } && __PERF_EVENT_TIME + * { u64 time; } && PERF_RECORD_TIME * }; */ - PERF_EVENT_COUNTER_OVERFLOW = 1UL << 31, - __PERF_EVENT_IP = PERF_RECORD_IP, - __PERF_EVENT_TID = PERF_RECORD_TID, - __PERF_EVENT_GROUP = PERF_RECORD_GROUP, - __PERF_EVENT_CALLCHAIN = PERF_RECORD_CALLCHAIN, - __PERF_EVENT_TIME = PERF_RECORD_TIME, }; #ifdef __KERNEL__ |