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Commit 2e9e8688 authored by Adrian Hunter's avatar Adrian Hunter Committed by Arnaldo Carvalho de Melo
Browse files

perf thread-stack: Factor out thread_stack__init() 



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

Signed-off-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Acked-by: default avatarJiri Olsa <jolsa@kernel.org>
Link: http://lkml.kernel.org/r/20181221120620.9659-6-adrian.hunter@intel.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent f6060ac6

tools/perf/util/thread-stack.c

+19 −7
Original line number Diff line number Diff line
@@ -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;