Re: [PATCH 00/28] tracing: 'hist' triggers

From: Tom Zanussi
Date: Thu Nov 05 2015 - 17:13:10 EST


Hi Namhyung,

On Thu, 2015-11-05 at 23:43 +0900, Namhyung Kim wrote:
> Hi Tom,
>
> I implemented 'log2' modifier on top of your v11 patchset. Could you
> please take a look at this?
>

Very nice, thanks for doing this.

I just noticed one small problem in that the modifier doesn't get
printed in the output. The below patch fixes that.

I can just merge that change into your patch and add it to my series,
otherwise please let me know what you'd like me to do..

Tom

Signed-off-by: Tom Zanussi <tom.zanussi@xxxxxxxxxxxxxxx>
---
kernel/trace/trace_events_hist.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/kernel/trace/trace_events_hist.c
b/kernel/trace/trace_events_hist.c
index 20a17fd..7621748 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -1092,6 +1092,8 @@ static const char *get_hist_field_flags(struct
hist_field *hist_field)
flags_str = "execname";
else if (hist_field->flags & HIST_FIELD_SYSCALL)
flags_str = "syscall";
+ else if (hist_field->flags & HIST_FIELD_LOG2)
+ flags_str = "log2";

return flags_str;
}



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