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authorArnaldo Carvalho de Melo <acme@redhat.com>2012-10-06 15:43:20 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-10-06 16:33:22 -0300
commit9d2f8e22fc965bcdd5561d000d234fe2d23657ba (patch)
treeb0f328b99b87e904c3222ab815e8599e0fe7c29e /tools/perf/util/thread.c
parent0c1fe6b2f30fa275d939071293b6e28771283f6d (diff)
downloadop-kernel-dev-9d2f8e22fc965bcdd5561d000d234fe2d23657ba.zip
op-kernel-dev-9d2f8e22fc965bcdd5561d000d234fe2d23657ba.tar.gz
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>
Diffstat (limited to 'tools/perf/util/thread.c')
-rw-r--r--tools/perf/util/thread.c41
1 files changed, 1 insertions, 40 deletions
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index fb4b7ea..fe3bb1e 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);
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