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Commit 01f00a1c authored by Namhyung Kim's avatar Namhyung Kim Committed by Arnaldo Carvalho de Melo
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perf hists browser: Save pstack in the hist_browser 



The struct pstack is to save currently applied thread and/or dso filters
in the browser.  So it'd be better to keep in the struct hist_browser.
This is a preparation to later change.

Suggested-by: default avatarArnaldo Carvalho de Melo <acme@kernel.org>
Signed-off-by: default avatarNamhyung Kim <namhyung@kernel.org>
Acked-by: default avatarJiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1429687101-4360-6-git-send-email-namhyung@kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent c2a51ab8

tools/perf/ui/browsers/hists.c

+10 −10
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ struct hist_browser { 
	struct hist_entry   *he_selection;

	struct map_symbol   *selection;

	struct hist_browser_timer *hbt;

	struct pstack	    *pstack;

	int		     print_seq;

	bool		     show_dso;

	bool		     show_headers;
@@ -1426,7 +1427,6 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, 
	struct hists *hists = evsel__hists(evsel);

	struct hist_browser *browser = hist_browser__new(hists, hbt);

	struct branch_info *bi;

	struct pstack *fstack;

#define MAX_OPTIONS  16

	char *options[MAX_OPTIONS];

	int nr_options = 0;
@@ -1477,8 +1477,8 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, 
		hist_browser__update_nr_entries(browser);

	}



	fstack = pstack__new(2);

	if (fstack == NULL)

	browser->pstack = pstack__new(2);

	if (browser->pstack == NULL)

		goto out;



	ui_helpline__push(helpline);
@@ -1587,7 +1587,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, 
		case K_LEFT: {

			const void *top;



			if (pstack__empty(fstack)) {

			if (pstack__empty(browser->pstack)) {

				/*

				 * Go back to the perf_evsel_menu__run or other user

				 */
@@ -1595,7 +1595,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, 
					goto out_free_stack;

				continue;

			}

			top = pstack__pop(fstack);

			top = pstack__pop(browser->pstack);

			if (top == &browser->hists->dso_filter)

				goto zoom_out_dso;

			if (top == &browser->hists->thread_filter)
@@ -1753,7 +1753,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, 
		else if (choice == zoom_dso) {

zoom_dso:

			if (browser->hists->dso_filter) {

				pstack__remove(fstack, &browser->hists->dso_filter);

				pstack__remove(browser->pstack, &browser->hists->dso_filter);

zoom_out_dso:

				ui_helpline__pop();

				browser->hists->dso_filter = NULL;
@@ -1765,14 +1765,14 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, 
						   dso->kernel ? "the Kernel" : dso->short_name);

				browser->hists->dso_filter = dso;

				perf_hpp__set_elide(HISTC_DSO, true);

				pstack__push(fstack, &browser->hists->dso_filter);

				pstack__push(browser->pstack, &browser->hists->dso_filter);

			}

			hists__filter_by_dso(hists);

			hist_browser__reset(browser);

		} else if (choice == zoom_thread) {

zoom_thread:

			if (browser->hists->thread_filter) {

				pstack__remove(fstack, &browser->hists->thread_filter);

				pstack__remove(browser->pstack, &browser->hists->thread_filter);

zoom_out_thread:

				ui_helpline__pop();

				thread__zput(browser->hists->thread_filter);
@@ -1783,7 +1783,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, 
						   thread->tid);

				browser->hists->thread_filter = thread__get(thread);

				perf_hpp__set_elide(HISTC_THREAD, false);

				pstack__push(fstack, &browser->hists->thread_filter);

				pstack__push(browser->pstack, &browser->hists->thread_filter);

			}

			hists__filter_by_thread(hists);

			hist_browser__reset(browser);
@@ -1814,7 +1814,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, 
		}

	}

out_free_stack:

	pstack__delete(fstack);

	pstack__delete(browser->pstack);

out:

	hist_browser__delete(browser);

	free_popup_options(options, MAX_OPTIONS);