diff options
| author | Henrik Rydberg <[email protected]> | 2012-09-01 21:47:11 +0200 |
|---|---|---|
| committer | Jiri Kosina <[email protected]> | 2012-09-02 09:26:46 +0200 |
| commit | 9bfc8da00b1e74f55a52cc06a0d364f1f7f61ed8 (patch) | |
| tree | 6643c6edd934129b20a58a2fe1361a461a02f237 /tools/perf/util/trace-event-scripting.c | |
| parent | 67ddbb3e6568fb1820b2cc45b00c50702b114801 (diff) | |
HID: Only dump input if someone is listening
Going through the motions of printing the debug message information
takes a long time; using the keyboard can lead to a 160 us irqsoff
latency. This patch skips hid_dump_input() when there are no open
handles, which brings latency down to 100 us.
Signed-off-by: Henrik Rydberg <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
Diffstat (limited to 'tools/perf/util/trace-event-scripting.c')
0 files changed, 0 insertions, 0 deletions