perf TUI: Add a "Zoom into COMM(PID) thread" and reverse operations

Now one can press the right arrow key and in addition to being able to
filter by DSO, filter out by thread too, or a combination of both
filters.

With this one can start collecting events for the whole system, then
focus on a subset of the collected data quickly.

Cc: Avi Kivity <avi@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 7 insertions, 2 deletions

diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index dce79d33e33..6d7b4be7060 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -44,11 +44,16 @@ extern enum sort_type sort__first_dimension;
 struct hist_entry {
 	struct rb_node		rb_node;
 	u64			count;
-	struct thread		*thread;
+	/*
+	 * XXX WARNING!
+	 * thread _has_ to come after ms, see
+	 * hist_browser__selected_thread in util/newt.c
+	 */
 	struct map_symbol	ms;
+	struct thread		*thread;
 	u64			ip;
 	char			level;
-	bool			filtered;
+	u8			filtered;
 	struct symbol		*parent;
 	union {
 		unsigned long	  position;