Messages in this thread Patch in this message | | | From | Zhengjun Xing <> | Subject | [PATCH] trace:add "gfp_t" support in synthetic_events | Date | Thu, 4 Jul 2019 10:55:06 +0800 |
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Add "gfp_t" support in synthetic_events, then the "gfp_t" type parameter in some functions can be traced.
Signed-off-by: Zhengjun Xing <zhengjun.xing@linux.intel.com> --- kernel/trace/trace_events_hist.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index ca6b0dff60c5..0d3ab01b7cb5 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -752,6 +752,8 @@ static int synth_field_size(char *type) size = sizeof(unsigned long); else if (strcmp(type, "pid_t") == 0) size = sizeof(pid_t); + else if (strcmp(type, "gfp_t") == 0) + size = sizeof(gfp_t); else if (synth_field_is_string(type)) size = synth_field_string_size(type); @@ -792,6 +794,8 @@ static const char *synth_field_fmt(char *type) fmt = "%lu"; else if (strcmp(type, "pid_t") == 0) fmt = "%d"; + else if (strcmp(type, "gfp_t") == 0) + fmt = "%u"; else if (synth_field_is_string(type)) fmt = "%s"; -- 2.14.1
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