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perf tools: Introduce zalloc() for the common calloc(1, N) case

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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>
This commit is contained in:
Arnaldo Carvalho de Melo
2009-11-24 12:05:16 -02:00
committed by Ingo Molnar
parent b32d133aec
commit 364794845c
10 changed files with 25 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
tools/perf/builtin-sched.c
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@ -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");