linux-kernel - Re: [RFC V4] perf, tools: Support wildcards on pmu name in dynamic pmu events

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Date:   Thu, 8 Mar 2018 10:03:58 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Agustin Vega-Frias <agustinv@...eaurora.org>
Cc:     linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>, timur@...eaurora.org
Subject: Re: [RFC V4] perf, tools: Support wildcards on pmu name in dynamic
 pmu events

Em Wed, Mar 07, 2018 at 03:35:47PM -0500, Agustin Vega-Frias escreveu:
> +++ b/tools/perf/util/parse-events.y
> @@ -8,6 +8,7 @@
> 
>  #define YYDEBUG 1
> 
> +#include <fnmatch.h>
>  #include <linux/compiler.h>
>  #include <linux/list.h>
>  #include <linux/types.h>
> @@ -234,6 +235,10 @@ PE_NAME opt_event_config
>  	if (parse_events_add_pmu(_parse_state, list, $1, $2)) {
>  		struct perf_pmu *pmu = NULL;
>  		int ok = 0;
> +		char *pattern;
> +
> +		if (asprintf(&pattern, "%s*", $1) < 0)
> +			YYABORT;

+               if (asprintf(&pattern, "?(uncore_)%s*", $1) < 0)

I completely overlook that you were using this and thus needed that
extension, duh, thanks for the patience 8-) and for the new patch.

- Arnaldo