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| author | Adrian Hunter <adrian.hunter@intel.com> | 2018-12-21 14:06:17 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-01-02 10:53:41 -0300 |
| commit | 2e9e8688763ff80f032d9a78c3b4b951fb6dd7a4 (patch) | |
| tree | 77b8463daa23251b055a6075af1d556c322f4981 /tools/perf/util/thread-stack.c | |
| parent | f6060ac60190c625101a0b94c2d96e9ca14a7d73 (diff) | |
| download | lwn-2e9e8688763ff80f032d9a78c3b4b951fb6dd7a4.tar.gz lwn-2e9e8688763ff80f032d9a78c3b4b951fb6dd7a4.zip | |
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 <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>
Diffstat (limited to 'tools/perf/util/thread-stack.c')
| -rw-r--r-- | tools/perf/util/thread-stack.c | 26 |
1 files 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; |