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Commit 9ac99545 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo Committed by Ingo Molnar
Browse files

perf report: Add -vvv to print the list of threads and its mmaps 



Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 0f5486b5

Documentation/perf_counter/builtin-report.c

+36 −0
Original line number Diff line number Diff line
@@ -234,6 +234,13 @@ static int map__overlap(struct map *l, struct map *r) 
	return 0;

}



static size_t map__fprintf(struct map *self, FILE *fp)

{

	return fprintf(fp, " %lx-%lx %lx %s\n",

		       self->start, self->end, self->pgoff, self->dso->name);

}





struct thread {

	struct rb_node	 rb_node;

	struct list_head maps;
@@ -264,6 +271,18 @@ static int thread__set_comm(struct thread *self, const char *comm) 
	return self->comm ? 0 : -ENOMEM;

}



static size_t thread__fprintf(struct thread *self, FILE *fp)

{

	struct map *pos;

	size_t ret = fprintf(fp, "Thread %d %s\n", self->pid, self->comm);



	list_for_each_entry(pos, &self->maps, node)

		ret += map__fprintf(pos, fp);



	return ret;

}





static struct rb_root threads;

static struct thread *last_match;
@@ -355,6 +374,20 @@ static struct map *thread__find_map(struct thread *self, uint64_t ip) 
	return NULL;

}



static size_t threads__fprintf(FILE *fp)

{

	size_t ret = 0;

	struct rb_node *nd;



	for (nd = rb_first(&threads); nd; nd = rb_next(nd)) {

		struct thread *pos = rb_entry(nd, struct thread, rb_node);



		ret += thread__fprintf(pos, fp);

	}



	return ret;

}



/*

 * histogram, sorted on item, collects counts

 */
@@ -1126,6 +1159,9 @@ static int __cmd_report(void) 
	if (dump_trace)

		return 0;



	if (verbose >= 3)

		threads__fprintf(stdout);



	if (verbose >= 2)

		dsos__fprintf(stdout);