In order to make SVG smaller and faster to browse add possibility to
switch off power related information with -T switch.
Signed-off-by: Stanislav Fomichev <stfomic...@yandex-team.ru>
---
tools/perf/Documentation/perf-timechart.txt | 3 +++
tools/perf/builtin-timechart.c | 11 ++++++++++-
2 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/tools/perf/Documentation/perf-timechart.txt
b/tools/perf/Documentation/perf-timechart.txt
index 919cbe9ce428..a79d473394f6 100644
--- a/tools/perf/Documentation/perf-timechart.txt
+++ b/tools/perf/Documentation/perf-timechart.txt
@@ -34,6 +34,9 @@ OPTIONS
-P::
--power-only::
Only output the CPU power section of the diagram
+-T::
+--tasks-only::
+ Don't output processor state transitions
-p::
--process::
Select the processes to display, by name or PID
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index 74c040abb3af..7819006387f0 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -50,6 +50,7 @@ static u64 turbo_frequency;
static u64 first_time, last_time;
static bool power_only;
+static bool tasks_only;
struct per_pid;
@@ -970,7 +971,8 @@ static void write_svg_file(const char *filename)
draw_cpu_usage();
if (proc_num)
draw_process_bars();
- draw_c_p_states();
+ if (!tasks_only)
+ draw_c_p_states();
if (proc_num)
draw_wakeups();
@@ -1096,6 +1098,8 @@ int cmd_timechart(int argc, const char **argv,
OPT_STRING('o', "output", &output_name, "file", "output file name"),
OPT_INTEGER('w', "width", &svg_page_width, "page width"),
OPT_BOOLEAN('P', "power-only", &power_only, "output power data only"),
+ OPT_BOOLEAN('T', "tasks-only", &tasks_only,
+ "output processes data only"),
OPT_CALLBACK('p', "process", NULL, "process",
"process selector. Pass a pid or process name.",
parse_process),
@@ -1113,6 +1117,11 @@ int cmd_timechart(int argc, const char **argv,
argc = parse_options(argc, argv, options, timechart_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
+ if (power_only && tasks_only) {
+ pr_err("-P and -T options cannot be used at the same time.\n");
+ return -1;
+ }
+
symbol__init();
if (argc && !strncmp(argv[0], "rec", 3))
--
1.8.3.2
--
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