From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: [PATCH 26/29] perf thread-stack: Factor out thread_stack__init() Date: Thu, 3 Jan 2019 09:46:06 -0300 Message-ID: <20190103124609.29672-27-acme@kernel.org> References: <20190103124609.29672-1-acme@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190103124609.29672-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Ingo Molnar Cc: Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Adrian Hunter , Jiri Olsa , Arnaldo Carvalho de Melo List-Id: linux-perf-users.vger.kernel.org From: Adrian Hunter 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; -- 2.19.2