diff options
| author | Tom Zanussi <tom.zanussi@linux.intel.com> | 2016-03-03 12:54:49 -0600 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2016-04-19 12:17:51 -0400 |
| commit | c6afad49d127f6d7c9957319f55173a2198b1ba8 (patch) | |
| tree | 7590e1bd4a973d09ed4739d494ca786e59d6fbb5 /kernel/trace/trace.c | |
| parent | 0c4a6b4666e8eb86dead3f09b40bb8ca4f614e4f (diff) | |
tracing: Add hist trigger 'sym' and 'sym-offset' modifiers
Allow users to have address fields displayed as symbols in the output
by appending '.sym' or 'sym-offset' to field names:
# echo hist:keys=aaa.sym,bbb.sym-offset ... \
[ if filter] > event/trigger
Link: http://lkml.kernel.org/r/87d4935821491c0275513f0fbfb9bab8d3d3f079.1457029949.git.tom.zanussi@linux.intel.com
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Tested-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Reviewed-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace.c')
| -rw-r--r-- | kernel/trace/trace.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 2eb2eafbe7f5..34459eb0c844 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -3855,7 +3855,9 @@ static const char readme_msg[] = "\t table in its entirety to stdout. The default format used to\n" "\t display a given field can be modified by appending any of the\n" "\t following modifiers to the field name, as applicable:\n\n" - "\t .hex display a number as a hex value\n\n" + "\t .hex display a number as a hex value\n" + "\t .sym display an address as a symbol\n" + "\t .sym-offset display an address as a symbol and offset\n\n" "\t The 'pause' parameter can be used to pause an existing hist\n" "\t trigger or to start a hist trigger but not log any events\n" "\t until told to do so. 'continue' can be used to start or\n" |