From 2e9e8688763ff80f032d9a78c3b4b951fb6dd7a4 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Fri, 21 Dec 2018 14:06:17 +0200 Subject: [PATCH] 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: Adrian Hunter Acked-by: Jiri Olsa Link: http://lkml.kernel.org/r/20181221120620.9659-6-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/thread-stack.c | 26 +++++++++++++++++++------- 1 file changed, 19 insertions(+), 7 deletions(-) diff --git a/tools/perf/util/thread-stack.c b/tools/perf/util/thread-stack.c index a5f7b9d8fc23..03770af9e5cd 100644 --- a/tools/perf/util/thread-stack.c +++ b/tools/perf/util/thread-stack.c @@ -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; -- 2.39.5