[PATCH 61/64] perf hists browser: Simplify zooming code using pstack_peek()

From: Arnaldo Carvalho de Melo
Date: Tue Apr 28 2015 - 09:36:45 EST


From: Namhyung Kim <namhyung@xxxxxxxxxx>

Now LEFT key press action can just use do_zoom_dso/thread() code to get
out of the current filter.

Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1429838133-14001-2-git-send-email-namhyung@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/ui/browsers/hists.c | 20 +++++++++-----------
1 file changed, 9 insertions(+), 11 deletions(-)

diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 9bd7b38de64c..8733d577db78 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -1860,19 +1860,17 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
goto out_free_stack;
continue;
}
- top = pstack__pop(browser->pstack);
+ top = pstack__peek(browser->pstack);
if (top == &browser->hists->dso_filter) {
- perf_hpp__set_elide(HISTC_DSO, false);
- browser->hists->dso_filter = NULL;
- hists__filter_by_dso(browser->hists);
- }
- if (top == &browser->hists->thread_filter) {
- perf_hpp__set_elide(HISTC_THREAD, false);
- thread__zput(browser->hists->thread_filter);
- hists__filter_by_thread(browser->hists);
+ /*
+ * No need to set actions->dso here since
+ * it's just to remove the current filter.
+ * Ditto for thread below.
+ */
+ do_zoom_dso(browser, actions);
}
- ui_helpline__pop();
- hist_browser__reset(browser);
+ if (top == &browser->hists->thread_filter)
+ do_zoom_thread(browser, actions);
continue;
}
case K_ESC:
--
1.9.3

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