summaryrefslogtreecommitdiffstats
path: root/tools/perf/ui/browsers/hists.c
diff options
context:
space:
mode:
authorNamhyung Kim2013-12-26 06:37:59 +0100
committerArnaldo Carvalho de Melo2013-12-26 15:22:02 +0100
commit6dd601354f14b5cd7a0a4103811e52ccec22ac53 (patch)
treef12c46aa00fa66a3c16164348bc3704315e2c73c /tools/perf/ui/browsers/hists.c
parentperf ui/tui: Split help message for perf top and report (diff)
downloadkernel-qcow2-linux-6dd601354f14b5cd7a0a4103811e52ccec22ac53.tar.gz
kernel-qcow2-linux-6dd601354f14b5cd7a0a4103811e52ccec22ac53.tar.xz
kernel-qcow2-linux-6dd601354f14b5cd7a0a4103811e52ccec22ac53.zip
perf ui/tui: Implement header window
Implement a simple, full-screen header window which shows session header (metadata) information. Press 'i' key to display the header window. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: David Ahern <dsahern@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1388036284-32342-4-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/ui/browsers/hists.c')
-rw-r--r--tools/perf/ui/browsers/hists.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index d43ec79ea4e3..0d9dd99507ee 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -1417,6 +1417,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
/* help messages are sorted by lexical order of the hotkey */
const char report_help[] = HIST_BROWSER_HELP_COMMON
+ "i Show header information\n"
"P Print histograms to perf.hist.N\n"
"r Run available scripts\n"
"s Switch to another data file in PWD\n"
@@ -1513,6 +1514,11 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
if (is_report_browser(hbt))
goto do_data_switch;
continue;
+ case 'i':
+ /* env->arch is NULL for live-mode (i.e. perf top) */
+ if (env->arch)
+ tui__header_window(env);
+ continue;
case K_F1:
case 'h':
case '?':