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-rw-r--r--include/linux/perf_counter.h60
1 files changed, 48 insertions, 12 deletions
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index 89698d8aba5..e604e6ef72d 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -120,8 +120,9 @@ enum perf_counter_sample_format {
PERF_SAMPLE_ID = 1U << 6,
PERF_SAMPLE_CPU = 1U << 7,
PERF_SAMPLE_PERIOD = 1U << 8,
+ PERF_SAMPLE_STREAM_ID = 1U << 9,
- PERF_SAMPLE_MAX = 1U << 9, /* non-ABI */
+ PERF_SAMPLE_MAX = 1U << 10, /* non-ABI */
};
/*
@@ -178,8 +179,11 @@ struct perf_counter_attr {
mmap : 1, /* include mmap data */
comm : 1, /* include comm data */
freq : 1, /* use freq, not period */
+ inherit_stat : 1, /* per task counts */
+ enable_on_exec : 1, /* next exec enables */
+ task : 1, /* trace fork/exit */
- __reserved_1 : 53;
+ __reserved_1 : 50;
__u32 wakeup_events; /* wakeup every n events */
__u32 __reserved_2;
@@ -232,6 +236,14 @@ struct perf_counter_mmap_page {
__u32 lock; /* seqlock for synchronization */
__u32 index; /* hardware counter identifier */
__s64 offset; /* add to hardware counter value */
+ __u64 time_enabled; /* time counter active */
+ __u64 time_running; /* time counter on cpu */
+
+ /*
+ * Hole for extension of the self monitor capabilities
+ */
+
+ __u64 __reserved[123]; /* align to 1k */
/*
* Control data for the mmap() data buffer.
@@ -253,7 +265,6 @@ struct perf_counter_mmap_page {
#define PERF_EVENT_MISC_KERNEL (1 << 0)
#define PERF_EVENT_MISC_USER (2 << 0)
#define PERF_EVENT_MISC_HYPERVISOR (3 << 0)
-#define PERF_EVENT_MISC_OVERFLOW (1 << 2)
struct perf_event_header {
__u32 type;
@@ -301,18 +312,18 @@ enum perf_event_type {
/*
* struct {
* struct perf_event_header header;
- * u64 time;
- * u64 id;
- * u64 sample_period;
+ * u32 pid, ppid;
+ * u32 tid, ptid;
* };
*/
- PERF_EVENT_PERIOD = 4,
+ PERF_EVENT_EXIT = 4,
/*
* struct {
* struct perf_event_header header;
* u64 time;
* u64 id;
+ * u64 stream_id;
* };
*/
PERF_EVENT_THROTTLE = 5,
@@ -322,14 +333,24 @@ enum perf_event_type {
* struct {
* struct perf_event_header header;
* u32 pid, ppid;
+ * u32 tid, ptid;
* };
*/
PERF_EVENT_FORK = 7,
/*
- * When header.misc & PERF_EVENT_MISC_OVERFLOW the event_type field
- * will be PERF_SAMPLE_*
- *
+ * struct {
+ * struct perf_event_header header;
+ * u32 pid, tid;
+ * u64 value;
+ * { u64 time_enabled; } && PERF_FORMAT_ENABLED
+ * { u64 time_running; } && PERF_FORMAT_RUNNING
+ * { u64 parent_id; } && PERF_FORMAT_ID
+ * };
+ */
+ PERF_EVENT_READ = 8,
+
+ /*
* struct {
* struct perf_event_header header;
*
@@ -337,8 +358,10 @@ enum perf_event_type {
* { u32 pid, tid; } && PERF_SAMPLE_TID
* { u64 time; } && PERF_SAMPLE_TIME
* { u64 addr; } && PERF_SAMPLE_ADDR
- * { u64 config; } && PERF_SAMPLE_CONFIG
+ * { u64 id; } && PERF_SAMPLE_ID
+ * { u64 stream_id;} && PERF_SAMPLE_STREAM_ID
* { u32 cpu, res; } && PERF_SAMPLE_CPU
+ * { u64 period; } && PERF_SAMPLE_PERIOD
*
* { u64 nr;
* { u64 id, val; } cnt[nr]; } && PERF_SAMPLE_GROUP
@@ -347,6 +370,9 @@ enum perf_event_type {
* u64 ips[nr]; } && PERF_SAMPLE_CALLCHAIN
* };
*/
+ PERF_EVENT_SAMPLE = 9,
+
+ PERF_EVENT_MAX, /* non-ABI */
};
enum perf_callchain_context {
@@ -582,6 +608,7 @@ struct perf_counter_context {
int nr_counters;
int nr_active;
int is_active;
+ int nr_stat;
atomic_t refcount;
struct task_struct *task;
@@ -669,7 +696,16 @@ static inline int is_software_counter(struct perf_counter *counter)
(counter->attr.type != PERF_TYPE_HW_CACHE);
}
-extern void perf_swcounter_event(u32, u64, int, struct pt_regs *, u64);
+extern atomic_t perf_swcounter_enabled[PERF_COUNT_SW_MAX];
+
+extern void __perf_swcounter_event(u32, u64, int, struct pt_regs *, u64);
+
+static inline void
+perf_swcounter_event(u32 event, u64 nr, int nmi, struct pt_regs *regs, u64 addr)
+{
+ if (atomic_read(&perf_swcounter_enabled[event]))
+ __perf_swcounter_event(event, nr, nmi, regs, addr);
+}
extern void __perf_counter_mmap(struct vm_area_struct *vma);