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

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 36 insertions, 0 deletions

diff --git a/Documentation/perf_counter/builtin-report.c b/Documentation/perf_counter/builtin-report.c
index 5d191216c80a..1a1028d3bc34 100644
--- a/Documentation/perf_counter/builtin-report.c
+++ b/Documentation/perf_counter/builtin-report.c
@@ -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 @@ more:
         if (dump_trace)
                 return 0;
 
+        if (verbose >= 3)
+                threads__fprintf(stdout);
+
         if (verbose >= 2)
                 dsos__fprintf(stdout);