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perf threads: Move thread_map to separate file

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To untangle it from struct thread handling, that is tied to symbols, etc.

Right now in the python bindings I'm working on I need just a subset of
the util/ files, untangling it allows me to do that.

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2011-01-18 15:15:24 -02:00
parent 17ea1b70a8
commit fd78260b53
10 changed files with 86 additions and 71 deletions
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55
tools/perf/util/thread.c
View file

@ -7,61 +7,6 @@
#include "util.h"
#include "debug.h"
/* Skip "." and ".." directories */
static int filter(const struct dirent *dir)
{
if (dir->d_name[0] == '.')
return 0;
else
return 1;
}
struct thread_map *thread_map__new_by_pid(pid_t pid)
{
struct thread_map *threads;
char name[256];
int items;
struct dirent **namelist = NULL;
int i;
sprintf(name, "/proc/%d/task", pid);
items = scandir(name, &namelist, filter, NULL);
if (items <= 0)
return NULL;
threads = malloc(sizeof(*threads) + sizeof(pid_t) * items);
if (threads != NULL) {
for (i = 0; i < items; i++)
threads->map[i] = atoi(namelist[i]->d_name);
threads->nr = items;
}
for (i=0; i<items; i++)
free(namelist[i]);
free(namelist);
return threads;
}
struct thread_map *thread_map__new_by_tid(pid_t tid)
{
struct thread_map *threads = malloc(sizeof(*threads) + sizeof(pid_t));
if (threads != NULL) {
threads->map[0] = tid;
threads->nr = 1;
}
return threads;
}
struct thread_map *thread_map__new(pid_t pid, pid_t tid)
{
if (pid != -1)
return thread_map__new_by_pid(pid);
return thread_map__new_by_tid(tid);
}
static struct thread *thread__new(pid_t pid)
{
struct thread *self = zalloc(sizeof(*self));