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perf tools: Librarize idle thread registration

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Librarize register_idle_thread() used by annotate and report.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <1251693921-6579-1-git-send-email-fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Frederic Weisbecker 2009-08-31 06:45:18 +02:00 committed by Ingo Molnar
parent ec7ba4ea1d
commit 5b447a6a13
4 changed files with 31 additions and 29 deletions
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13
tools/perf/builtin-annotate.c
View File

@ -472,17 +472,6 @@ static void output__resort(void)
}
}
static void register_idle_thread(void)
{
struct thread *thread = threads__findnew(0, &threads, &last_match);
if (thread == NULL ||
thread__set_comm(thread, "[idle]")) {
fprintf(stderr, "problem inserting idle task.\n");
exit(-1);
}
}
static unsigned long total = 0,
total_mmap = 0,
total_comm = 0,
@ -970,7 +959,7 @@ static int __cmd_annotate(void)
uint32_t size;
char *buf;
register_idle_thread();
register_idle_thread(&threads, &last_match);
input = open(input_name, O_RDONLY);
if (input < 0) {

32
tools/perf/builtin-report.c
View File

@ -666,12 +666,9 @@ static void dso__calc_col_width(struct dso *self)
self->slen_calculated = 1;
}
static int thread__set_comm_adjust(struct thread *self, const char *comm)
static void thread__comm_adjust(struct thread *self)
{
int ret = thread__set_comm(self, comm);
if (ret)
return ret;
char *comm = self->comm;
if (!col_width_list_str && !field_sep &&
(!comm_list || strlist__has_entry(comm_list, comm))) {
@ -682,6 +679,16 @@ static int thread__set_comm_adjust(struct thread *self, const char *comm)
threads__col_width = slen + 6;
}
}
}
static int thread__set_comm_adjust(struct thread *self, const char *comm)
{
int ret = thread__set_comm(self, comm);
if (ret)
return ret;
thread__comm_adjust(self);
return 0;
}
@ -1073,17 +1080,6 @@ static size_t output__fprintf(FILE *fp, u64 total_samples)
return ret;
}
static void register_idle_thread(void)
{
struct thread *thread = threads__findnew(0, &threads, &last_match);
if (thread == NULL ||
thread__set_comm_adjust(thread, "[idle]")) {
fprintf(stderr, "problem inserting idle task.\n");
exit(-1);
}
}
static unsigned long total = 0,
total_mmap = 0,
total_comm = 0,
@ -1381,11 +1377,13 @@ static int __cmd_report(void)
unsigned long offset = 0;
unsigned long head, shift;
struct stat input_stat;
struct thread *idle;
event_t *event;
uint32_t size;
char *buf;
register_idle_thread();
idle = register_idle_thread(&threads, &last_match);
thread__comm_adjust(idle);
if (show_threads)
perf_read_values_init(&show_threads_values);

13
tools/perf/util/thread.c
View File

@ -80,6 +80,19 @@ threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match)
return th;
}
struct thread *
register_idle_thread(struct rb_root *threads, struct thread **last_match)
{
struct thread *thread = threads__findnew(0, threads, last_match);
if (!thread || thread__set_comm(thread, "[idle]")) {
fprintf(stderr, "problem inserting idle task.\n");
exit(-1);
}
return thread;
}
void thread__insert_map(struct thread *self, struct map *map)
{
struct map *pos, *tmp;

2
tools/perf/util/thread.h
View File

@ -13,6 +13,8 @@ struct thread {
int thread__set_comm(struct thread *self, const char *comm);
struct thread *
threads__findnew(pid_t pid, struct rb_root *threads, struct thread **last_match);
struct thread *
register_idle_thread(struct rb_root *threads, struct thread **last_match);
void thread__insert_map(struct thread *self, struct map *map);
int thread__fork(struct thread *self, struct thread *parent);
struct map *thread__find_map(struct thread *self, u64 ip);