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Commit d87fcb4a authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

perf evsel: Introduce perf_evsel__prev() method 

Just one use so far, on the hists browser, for completeness since there
we use perf_evlist__{first,last} and perf_evsel__next() for handling the
TAB and UNTAB keys.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-d09l4lejp5427enuf3igpckw@git.kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 9a354cdc

tools/perf/ui/browsers/hists.c

+1 −1
Original line number Diff line number Diff line
@@ -1855,7 +1855,7 @@ static int perf_evsel_menu__run(struct perf_evsel_menu *menu, 
				if (pos->node.prev == &evlist->entries)

					pos = perf_evlist__last(evlist);

				else

					pos = list_entry(pos->node.prev, struct perf_evsel, node);

					pos = perf_evsel__prev(pos);

				goto browse_hists;

			case K_ESC:

				if (!ui_browser__dialog_yesno(&menu->b,

tools/perf/util/evsel.h

+5 −0
Original line number Diff line number Diff line
@@ -279,6 +279,11 @@ static inline struct perf_evsel *perf_evsel__next(struct perf_evsel *evsel) 
	return list_entry(evsel->node.next, struct perf_evsel, node);

}



static inline struct perf_evsel *perf_evsel__prev(struct perf_evsel *evsel)

{

	return list_entry(evsel->node.prev, struct perf_evsel, node);

}



/**

 * perf_evsel__is_group_leader - Return whether given evsel is a leader event

 *