linux-kernel - Re: [PATCH 2/5] perf,tools: Support new sort type --socket

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Date:	Fri, 4 Sep 2015 20:26:18 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	kan.liang@...el.com
Cc:	jolsa@...nel.org, namhyung@...nel.org, adrian.hunter@...el.com,
	eranian@...gle.com, ak@...ux.intel.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/5] perf,tools: Support new sort type --socket

Em Fri, Sep 04, 2015 at 08:25:47PM -0300, Arnaldo Carvalho de Melo escreveu:
> > One more fixed, see below, now we have another, using ESC should remove
> > the last applied Zoom operation, just like for the other Zoom operations
> > (DSO, thread, etc), looking at that now.
> 
> Fixed, see below, to test, press S, then d to zoom into Socket then DSO
> and then press ESC to unzoom one level (the DSO in this case) then ESC
> again, to unzoom the Socket one.
> 
> If you use the left arrow key it will be equivalent to ESC, but we'll
> repurpose the left/right arrows for horizontal scrolling soon.
> 
Ooops, here it is:


diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 67d40feb1880..e4fd40f72b4a 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -1681,11 +1681,13 @@ static int
 do_zoom_socket(struct hist_browser *browser, struct popup_action *act)
 {
 	if (browser->hists->socket_filter > -1) {
+		pstack__remove(browser->pstack, &browser->hists->socket_filter);
 		browser->hists->socket_filter = -1;
 		perf_hpp__set_elide(HISTC_SOCKET, false);
 	} else {
 		browser->hists->socket_filter = act->socket;
 		perf_hpp__set_elide(HISTC_SOCKET, true);
+		pstack__push(browser->pstack, &browser->hists->socket_filter);
 	}
 
 	hists__filter_by_socket(browser->hists);
@@ -1794,7 +1796,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
 		hist_browser__update_nr_entries(browser);
 	}
 
-	browser->pstack = pstack__new(2);
+	browser->pstack = pstack__new(3);
 	if (browser->pstack == NULL)
 		goto out;
 
@@ -1944,9 +1946,11 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
 				 * Ditto for thread below.
 				 */
 				do_zoom_dso(browser, actions);
-			}
-			if (top == &browser->hists->thread_filter)
+			} else if (top == &browser->hists->thread_filter) {
 				do_zoom_thread(browser, actions);
+			} else if (top == &browser->hists->socket_filter) {
+				do_zoom_socket(browser, actions);
+			}
 			continue;
 		}
 		case 'q':
--
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