linux-kernel - Re: [PATCH V6 0/3] perf tools: pmu event new style format fix

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Message-ID: <20140914132322.GB1731@krava.redhat.com>
Date:	Sun, 14 Sep 2014 15:23:22 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	kan.liang@...el.com
Cc:	acme@...nel.org, linux-kernel@...r.kernel.org, ak@...ux.intel.com
Subject: Re: [PATCH V6 0/3] perf tools: pmu event new style format fix

On Thu, Sep 11, 2014 at 03:08:56PM -0400, kan.liang@...el.com wrote:
> From: Kan Liang <kan.liang@...el.com>
> 
> There are two types of pmu event stytle formats, "pmu_event_name"
> or "cpu/pmu_event_name/". However, there is a bug on supporting these
> two formats, especially when they mixed with other perf events.
> The patch set intends to fix this issue.
> 
> The patch set has been tested on my haswell.
> Here is the test script I used for this issue.
> (Note: please make sure that your test system supports TSX and
> L1-dcache-loads events. Otherwise, you may want to change the events 
> to other pmu events.)

any chance changing this script to work for everyone?
and make it part of theautomated tests suite?

also how about something like in the attached change

jirka


---
diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c
index 5941927a4b7f..2b7c48474761 100644
--- a/tools/perf/tests/parse-events.c
+++ b/tools/perf/tests/parse-events.c
@@ -1554,6 +1554,15 @@ static int test_pmu_events(void)
 		e.check = test__checkevent_pmu_events;
 
 		ret = test_event(&e);
+		if (ret)
+			break;
+
+		snprintf(name, MAX_NAME, "event=%s", ent->d_name);
+
+		e.name  = name;
+		e.check = test__checkevent_pmu_events;
+
+		ret = test_event(&e);
 #undef MAX_NAME
 	}
--
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