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authorArnaldo Carvalho de Melo <acme@redhat.com>2009-11-24 12:05:16 -0200
committerIngo Molnar <mingo@elte.hu>2009-11-24 16:37:02 +0100
commit364794845cbc49e638b83d7ef739524291e1e961 (patch)
treee720975b26d307d6566afb9305c9f6e44290a7da /tools/perf/builtin-sched.c
parentb32d133aec5dc882cf783a293f393bfb3f4379e1 (diff)
downloadop-kernel-dev-364794845cbc49e638b83d7ef739524291e1e961.zip
op-kernel-dev-364794845cbc49e638b83d7ef739524291e1e961.tar.gz
perf tools: Introduce zalloc() for the common calloc(1, N) case
This way we type less characters and it looks more like the kzalloc kernel counterpart. 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: <1259071517-3242-3-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/builtin-sched.c')
-rw-r--r--tools/perf/builtin-sched.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index dbf089b..19eb708 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -225,7 +225,7 @@ static void calibrate_sleep_measurement_overhead(void)
static struct sched_atom *
get_new_event(struct task_desc *task, u64 timestamp)
{
- struct sched_atom *event = calloc(1, sizeof(*event));
+ struct sched_atom *event = zalloc(sizeof(*event));
unsigned long idx = task->nr_events;
size_t size;
@@ -293,7 +293,7 @@ add_sched_event_wakeup(struct task_desc *task, u64 timestamp,
return;
}
- wakee_event->wait_sem = calloc(1, sizeof(*wakee_event->wait_sem));
+ wakee_event->wait_sem = zalloc(sizeof(*wakee_event->wait_sem));
sem_init(wakee_event->wait_sem, 0, 0);
wakee_event->specific_wait = 1;
event->wait_sem = wakee_event->wait_sem;
@@ -323,7 +323,7 @@ static struct task_desc *register_pid(unsigned long pid, const char *comm)
if (task)
return task;
- task = calloc(1, sizeof(*task));
+ task = zalloc(sizeof(*task));
task->pid = pid;
task->nr = nr_tasks;
strcpy(task->comm, comm);
@@ -962,9 +962,7 @@ __thread_latency_insert(struct rb_root *root, struct work_atoms *data,
static void thread_atoms_insert(struct thread *thread)
{
- struct work_atoms *atoms;
-
- atoms = calloc(sizeof(*atoms), 1);
+ struct work_atoms *atoms = zalloc(sizeof(*atoms));
if (!atoms)
die("No memory");
@@ -996,9 +994,7 @@ add_sched_out_event(struct work_atoms *atoms,
char run_state,
u64 timestamp)
{
- struct work_atom *atom;
-
- atom = calloc(sizeof(*atom), 1);
+ struct work_atom *atom = zalloc(sizeof(*atom));
if (!atom)
die("Non memory");
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