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perf session: Move the global threads list to perf_session

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So that we can process two perf.data files.

We still need to add a O_MMAP mode for perf_session so that we
can do all the mmap stuff in it.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1260741029-4430-5-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Arnaldo Carvalho de Melo
2009-12-13 19:50:28 -02:00
committed by Ingo Molnar
parent ec91336973
commit b3165f4144
13 changed files with 98 additions and 74 deletions
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22
tools/perf/util/thread.c
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@@ -2,13 +2,11 @@
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "session.h"
#include "thread.h"
#include "util.h"
#include "debug.h"
static struct rb_root threads;
static struct thread *last_match;
void map_groups__init(struct map_groups *self)
{
int i;
@@ -122,9 +120,9 @@ static size_t thread__fprintf(struct thread *self, FILE *fp)
map_groups__fprintf(&self->mg, fp);
}
struct thread *threads__findnew(pid_t pid)
struct thread *perf_session__findnew(struct perf_session *self, pid_t pid)
{
struct rb_node **p = &threads.rb_node;
struct rb_node **p = &self->threads.rb_node;
struct rb_node *parent = NULL;
struct thread *th;
@@ -133,15 +131,15 @@ struct thread *threads__findnew(pid_t pid)
* 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 (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) {
last_match = th;
self->last_match = th;
return th;
}
@@ -154,8 +152,8 @@ struct thread *threads__findnew(pid_t pid)
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, &self->threads);
self->last_match = th;
}
return th;
@@ -269,12 +267,12 @@ int thread__fork(struct thread *self, struct thread *parent)
return 0;
}
size_t threads__fprintf(FILE *fp)
size_t perf_session__fprintf(struct perf_session *self, FILE *fp)
{
size_t ret = 0;
struct rb_node *nd;
for (nd = rb_first(&threads); nd; nd = rb_next(nd)) {
for (nd = rb_first(&self->threads); nd; nd = rb_next(nd)) {
struct thread *pos = rb_entry(nd, struct thread, rb_node);
ret += thread__fprintf(pos, fp);