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perf thread-stack: Factor out thread_stack__init()

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In preparation for fixing thread stack processing for the idle task,
factor out thread_stack__init().

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: http://lkml.kernel.org/r/20181221120620.9659-6-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2018-12-21 14:06:17 +02:00 committed by Arnaldo Carvalho de Melo
parent f6060ac601
commit 2e9e868876
1 changed files with 19 additions and 7 deletions
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26
tools/perf/util/thread-stack.c
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@ -93,6 +93,24 @@ static int thread_stack__grow(struct thread_stack *ts)
return 0;
}
static int thread_stack__init(struct thread_stack *ts, struct thread *thread,
struct call_return_processor *crp)
{
int err;
err = thread_stack__grow(ts);
if (err)
return err;
if (thread->mg && thread->mg->machine)
ts->kernel_start = machine__kernel_start(thread->mg->machine);
else
ts->kernel_start = 1ULL << 63;
ts->crp = crp;
return 0;
}
static struct thread_stack *thread_stack__new(struct thread *thread,
struct call_return_processor *crp)
{
@ -104,17 +122,11 @@ static struct thread_stack *thread_stack__new(struct thread *thread,
ts->arr_sz = 1;
if (thread_stack__grow(ts)) {
if (thread_stack__init(ts, thread, crp)) {
free(ts);
return NULL;
}
if (thread->mg && thread->mg->machine)
ts->kernel_start = machine__kernel_start(thread->mg->machine);
else
ts->kernel_start = 1ULL << 63;
ts->crp = crp;
thread->ts = ts;
return ts;