Messages in this thread | | | From | Namhyung Kim <> | Subject | Re: [PATCH 4/9] perf tools: Add a precise event qualifier | Date | Fri, 10 May 2013 10:43:28 +0900 |
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On Thu, 9 May 2013 15:32:19 +0200, Jiri Olsa wrote: > From: Andi Kleen <ak@linux.intel.com> > > Add a precise qualifier, like cpu/event=0x3c,precise=1/ > > This is needed so that the kernel can request enabling PEBS > for TSX events. The parser bails out on any sysfs parse errors, > so this is needed in any case to handle any event on the TSX > perf kernel. [SNIP] > --- a/tools/perf/util/parse-events.c > +++ b/tools/perf/util/parse-events.c > @@ -568,6 +568,12 @@ do { \ > case PARSE_EVENTS__TERM_TYPE_NAME: > CHECK_TYPE_VAL(STR); > break; > + case PARSE_EVENTS__TERM_TYPE_PRECISE: > + CHECK_TYPE_VAL(NUM); > + if ((unsigned)term->val.num > 2)
Shouldn't it be 3 as we technically allow the 'ppp' modifier? Although there's no cpu suppports precise=3 currently, things can be changed. :)
Thanks, Namhyung
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