Re: [PATCH] perf/tool: Fix usage of trace events with '-' in trace system name.

[Jiri Olsa]

On Thu, Apr 17, 2014 at 01:41:56PM +0200, Christian Borntraeger wrote:
> On 17/04/14 13:32, Jiri Olsa wrote:
> > On Tue, Mar 25, 2014 at 11:15:29AM +0100, Paolo Bonzini wrote:
> >> Il 24/03/2014 21:49, Christian Borntraeger ha scritto:
> >>> event_legacy_tracepoint:
> >>> +PE_NAME '-' PE_NAME ':' PE_NAME
> >>> +{
> >>> +	struct parse_events_evlist *data = _data;
> >>> +	struct list_head *list;
> >>> +	char sys_name[strlen($1) + strlen($3) + 2];
> >>> +	sprintf(&sys_name, "%s-%s", $1, $3);
> >>> +
> >>> +	ALLOC_LIST(list);
> >>> +	ABORT_ON(parse_events_add_tracepoint(list, &data->idx, &sys_name, $5));
> >>> +	$$ = list;
> >>> +}
> >>
> >> Why isn't '-' part of PE_NAME?
> > 
> > hi Paolo ;-)
> > 
> > because it screws cache events parsing.. we need some code factoring
> > in this part
> > 
> > Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx>
> 
> Jiri,
> 
> can you handle this patch + "perf-kvm: fix of 'Min time' counting in report command" in your tree?

yep, I queued both of them

jirka

> 
> > 
> > it'd be nice to add test to tests/parse-events.c, probably s390 specific,
> > because the parsing code touches the tracepoint format file
> 
> Alexander,
> 
> can you have a look to provide a simple test for perf that checks that trace events like kvm-s390 are handled properly?
> 
> Thanks
> 
> Christian
> 
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