Commit f5a2c3dc authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo Committed by Ingo Molnar
Browse files

perf record: Intercept all events



The event interception we need to do in 'perf record' to create
a list of all DSOs in PERF_RECORD_MMAP events wasn't seeing all
events, make sure that happens by checking size agains
event_t->header.size.
Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1263586107-1756-1-git-send-email-acme@infradead.org>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 2c585174
...@@ -113,16 +113,24 @@ static void write_output(void *buf, size_t size) ...@@ -113,16 +113,24 @@ static void write_output(void *buf, size_t size)
static void write_event(event_t *buf, size_t size) static void write_event(event_t *buf, size_t size)
{ {
/* size_t processed_size = buf->header.size;
* Add it to the list of DSOs, so that when we finish this event_t *ev = buf;
* record session we can pick the available build-ids.
*/ do {
if (buf->header.type == PERF_RECORD_MMAP) { /*
struct list_head *head = &dsos__user; * Add it to the list of DSOs, so that when we finish this
if (buf->mmap.header.misc == 1) * record session we can pick the available build-ids.
head = &dsos__kernel; */
__dsos__findnew(head, buf->mmap.filename); if (ev->header.type == PERF_RECORD_MMAP) {
} struct list_head *head = &dsos__user;
if (ev->header.misc == 1)
head = &dsos__kernel;
__dsos__findnew(head, ev->mmap.filename);
}
ev = ((void *)ev) + ev->header.size;
processed_size += ev->header.size;
} while (processed_size < size);
write_output(buf, size); write_output(buf, size);
} }
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment