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perf report: Fix per task mult-counter stat reporting 

Brice Goglin reported:

> I can easily sort them by thread id, but I don't know how to match
> my 4 events with each group of 4 lines.

Also report the counter id and the time running/enabled
stats (in case the counter got time-shared).

Reported-by: Brice Goglin <Brice.Goglin@inria.fr>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Tested-by: Brice Goglin <Brice.Goglin@inria.fr>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Peter Zijlstra 2009-08-06 19:40:28 +02:00 committed by Ingo Molnar
parent 1c222bce7d
commit 8f18aec535
3 changed files with 35 additions and 5 deletions
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31
tools/perf/builtin-report.c
View File

@ -112,7 +112,9 @@ struct read_event {
struct perf_event_header header;
u32 pid,tid;
u64 value;
u64 format[3];
u64 time_enabled;
u64 time_running;
u64 id;
};
typedef union event_union {
@ -1690,14 +1692,37 @@ static void trace_event(event_t *event)
dprintf(".\n");
}
static struct perf_header *header;
static struct perf_counter_attr *perf_header__find_attr(u64 id)
{
int i;
for (i = 0; i < header->attrs; i++) {
struct perf_header_attr *attr = header->attr[i];
int j;
for (j = 0; j < attr->ids; j++) {
if (attr->id[j] == id)
return &attr->attr;
}
}
return NULL;
}
static int
process_read_event(event_t *event, unsigned long offset, unsigned long head)
{
dprintf("%p [%p]: PERF_EVENT_READ: %d %d %Lu\n",
struct perf_counter_attr *attr = perf_header__find_attr(event->read.id);
dprintf("%p [%p]: PERF_EVENT_READ: %d %d %s %Lu\n",
(void *)(offset + head),
(void *)(long)(event->header.size),
event->read.pid,
event->read.tid,
attr ? __event_name(attr->type, attr->config)
: "FAIL",
event->read.value);
return 0;
@ -1743,8 +1768,6 @@ process_event(event_t *event, unsigned long offset, unsigned long head)
return 0;
}
static struct perf_header *header;
static u64 perf_header__sample_type(void)
{
u64 sample_type = 0;

8
tools/perf/util/parse-events.c
View File

@ -223,9 +223,15 @@ char *event_name(int counter)
{
u64 config = attrs[counter].config;
int type = attrs[counter].type;
return __event_name(type, config);
}
char *__event_name(int type, u64 config)
{
static char buf[32];
if (attrs[counter].type == PERF_TYPE_RAW) {
if (type == PERF_TYPE_RAW) {
sprintf(buf, "raw 0x%llx", config);
return buf;
}

1
tools/perf/util/parse-events.h
View File

@ -10,6 +10,7 @@ extern int nr_counters;
extern struct perf_counter_attr attrs[MAX_COUNTERS];
extern char *event_name(int ctr);
extern char *__event_name(int type, u64 config);
extern int parse_events(const struct option *opt, const char *str, int unset);