GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-06-21 22:21:21 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

perf tools: Move threads & last_match to threads.c

Browse source 
This was just being copy'n'pasted all over.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mike Galbraith <efault@gmx.de>
LKML-Reference: <20091013141629.GD21809@ghostprotocols.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Arnaldo Carvalho de Melo 2009-10-13 11:16:29 -03:00 • committed by Ingo Molnar
parent f4f0b41818
commit d5b889f2ec
6 changed files with 45 additions and 84 deletions
Download patch file Download diff file Expand all files Collapse all files

27
tools/perf/util/thread.c
View file

@ -6,6 +6,9 @@
#include "util.h"
#include "debug.h"
static struct rb_root threads;
static struct thread *last_match;
static struct thread *thread__new(pid_t pid)
{
struct thread *self = calloc(1, sizeof(*self));
@ -50,10 +53,9 @@ static size_t thread__fprintf(struct thread *self, FILE *fp)
return ret;
}
struct thread *
threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match)
struct thread *threads__findnew(pid_t pid)
{
struct rb_node **p = &threads->rb_node;
struct rb_node **p = &threads.rb_node;
struct rb_node *parent = NULL;
struct thread *th;
@ -62,15 +64,15 @@ threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match)
* so most of the time we dont have to look up
* the full rbtree:
*/
if (*last_match && (*last_match)->pid == pid)
return *last_match;
if (last_match && last_match->pid == pid)
return last_match;
while (*p != NULL) {
parent = *p;
th = rb_entry(parent, struct thread, rb_node);
if (th->pid == pid) {
*last_match = th;
last_match = th;
return th;
}
@ -83,17 +85,16 @@ threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match)
th = thread__new(pid);
if (th != NULL) {
rb_link_node(&th->rb_node, parent, p);
rb_insert_color(&th->rb_node, threads);
*last_match = th;
rb_insert_color(&th->rb_node, &threads);
last_match = th;
}
return th;
}
struct thread *
register_idle_thread(struct rb_root *threads, struct thread **last_match)
struct thread *register_idle_thread(void)
{
struct thread *thread = threads__findnew(0, threads, last_match);
struct thread *thread = threads__findnew(0);
if (!thread || thread__set_comm(thread, "swapper")) {
fprintf(stderr, "problem inserting idle task.\n");
@ -197,12 +198,12 @@ int thread__fork(struct thread *self, struct thread *parent)
return 0;
}
size_t threads__fprintf(FILE *fp, struct rb_root *threads)
size_t threads__fprintf(FILE *fp)
{
size_t ret = 0;
struct rb_node *nd;
for (nd = rb_first(threads); nd; nd = rb_next(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);