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perf: Convert perf event types into event type events

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Bypasses the event type perf header code and replaces it with a
synthesized event and processing function that accomplishes the
same thing, used when reading/writing perf data to/from a pipe.

Signed-off-by: Tom Zanussi <tzanussi@gmail.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: fweisbec@gmail.com
Cc: rostedt@goodmis.org
Cc: k-keiichi@bx.jp.nec.com
Cc: acme@ghostprotocols.net
LKML-Reference: <1270184365-8281-7-git-send-email-tzanussi@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Tom Zanussi
2010-04-01 23:59:20 -05:00
committed by Ingo Molnar
parent 2c46dbb517
commit cd19a035f3
8 changed files with 101 additions and 8 deletions
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12
tools/perf/util/session.c
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@@ -202,6 +202,8 @@ static void perf_event_ops__fill_defaults(struct perf_event_ops *handler)
handler->unthrottle = process_event_stub;
if (handler->attr == NULL)
handler->attr = process_event_stub;
if (handler->event_type == NULL)
handler->event_type = process_event_stub;
}
static const char *event__name[] = {
@@ -216,6 +218,7 @@ static const char *event__name[] = {
[PERF_RECORD_READ] = "READ",
[PERF_RECORD_SAMPLE] = "SAMPLE",
[PERF_RECORD_HEADER_ATTR] = "ATTR",
[PERF_RECORD_HEADER_EVENT_TYPE] = "EVENT_TYPE",
};
unsigned long event__total[PERF_RECORD_HEADER_MAX];
@@ -302,6 +305,12 @@ static void event__attr_swap(event_t *self)
mem_bswap_64(self->attr.id, size);
}
static void event__event_type_swap(event_t *self)
{
self->event_type.event_type.event_id =
bswap_64(self->event_type.event_type.event_id);
}
typedef void (*event__swap_op)(event_t *self);
static event__swap_op event__swap_ops[] = {
@@ -313,6 +322,7 @@ static event__swap_op event__swap_ops[] = {
[PERF_RECORD_READ] = event__read_swap,
[PERF_RECORD_SAMPLE] = event__all64_swap,
[PERF_RECORD_HEADER_ATTR] = event__attr_swap,
[PERF_RECORD_HEADER_EVENT_TYPE] = event__event_type_swap,
[PERF_RECORD_HEADER_MAX] = NULL,
};
@@ -355,6 +365,8 @@ static int perf_session__process_event(struct perf_session *self,
return ops->unthrottle(event, self);
case PERF_RECORD_HEADER_ATTR:
return ops->attr(event, self);
case PERF_RECORD_HEADER_EVENT_TYPE:
return ops->event_type(event, self);
default:
self->unknown_events++;
return -1;