perf machine: Introduce find_thread method

There are cases where we want just to find a thread if it exists
already, so provide a method for that.

While doing that start moving 'machine' methods to a separate file.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-8wpzqs9kfupng6xq8hx6lnxa@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 1 insertions, 40 deletions

diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index fb4b7ea6752f..fe3bb1ec1887 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -7,7 +7,7 @@
 #include "util.h"
 #include "debug.h"
 
-static struct thread *thread__new(pid_t pid)
+struct thread *thread__new(pid_t pid)
 {
         struct thread *self = zalloc(sizeof(*self));
 
@@ -61,45 +61,6 @@ static size_t thread__fprintf(struct thread *self, FILE *fp)
                map_groups__fprintf(&self->mg, verbose, fp);
 }
 
-struct thread *machine__findnew_thread(struct machine *self, pid_t pid)
-{
-        struct rb_node **p = &self->threads.rb_node;
-        struct rb_node *parent = NULL;
-        struct thread *th;
-
-        /*
-         * Font-end cache - PID lookups come in blocks,
-         * so most of the time we dont have to look up
-         * the full rbtree:
-         */
-        if (self->last_match && self->last_match->pid == pid)
-                return self->last_match;
-
-        while (*p != NULL) {
-                parent = *p;
-                th = rb_entry(parent, struct thread, rb_node);
-
-                if (th->pid == pid) {
-                        self->last_match = th;
-                        return th;
-                }
-
-                if (pid < th->pid)
-                        p = &(*p)->rb_left;
-                else
-                        p = &(*p)->rb_right;
-        }
-
-        th = thread__new(pid);
-        if (th != NULL) {
-                rb_link_node(&th->rb_node, parent, p);
-                rb_insert_color(&th->rb_node, &self->threads);
-                self->last_match = th;
-        }
-
-        return th;
-}
-
 void thread__insert_map(struct thread *self, struct map *map)
 {
         map_groups__fixup_overlappings(&self->mg, map, verbose, stderr);