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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2009-06-24 22:46:04 +0200
committerIngo Molnar <mingo@elte.hu>2009-06-25 21:39:09 +0200
commite9ea2fde7a07ae60a119171a2946ed2ae778271e (patch)
treecf074dccee95883af56c5abca0555833b4c14c71
parent649c48a9e7fafcc72bfcc99471d9dea98d789d59 (diff)
perf-report: Add bare minimum PERF_EVENT_READ parsing
Provide the basic infrastructure to provide per task stats. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r--tools/perf/builtin-report.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index ec5361c67bf..681c2233f88 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -100,6 +100,13 @@ struct lost_event {
u64 lost;
};
+struct read_event {
+ struct perf_event_header header;
+ u32 pid,tid;
+ u64 value;
+ u64 format[3];
+};
+
typedef union event_union {
struct perf_event_header header;
struct ip_event ip;
@@ -108,6 +115,7 @@ typedef union event_union {
struct fork_event fork;
struct period_event period;
struct lost_event lost;
+ struct read_event read;
} event_t;
static LIST_HEAD(dsos);
@@ -1350,6 +1358,19 @@ static void trace_event(event_t *event)
}
static int
+process_read_event(event_t *event, unsigned long offset, unsigned long head)
+{
+ dprintf("%p [%p]: PERF_EVENT_READ: %d %d %Lu\n",
+ (void *)(offset + head),
+ (void *)(long)(event->header.size),
+ event->read.pid,
+ event->read.tid,
+ event->read.value);
+
+ return 0;
+}
+
+static int
process_event(event_t *event, unsigned long offset, unsigned long head)
{
trace_event(event);
@@ -1373,6 +1394,9 @@ process_event(event_t *event, unsigned long offset, unsigned long head)
case PERF_EVENT_LOST:
return process_lost_event(event, offset, head);
+ case PERF_EVENT_READ:
+ return process_read_event(event, offset, head);
+
/*
* We dont process them right now but they are fine:
*/