linux-kernel - Re: [PATCH] perf, tools, pmu-events: Fix fixed counters on Intel

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Date:	Wed, 9 Sep 2015 14:24:29 -0700
From:	Andi Kleen <ak@...ux.intel.com>
To:	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
Cc:	Andi Kleen <andi@...stfloor.org>, acme@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf, tools, pmu-events: Fix fixed counters on Intel

> 
> pmu-events/jevents.c:247:2: error: missing initializer for field ‘name’ of ‘struct fixed’ [-Werror=missing-field-initializers]

Thanks.

Somehow a WERROR=0 must have slipped into the build script again.


> After this I was able to get non-zero counts for the 'inst_retired.any'
> event on my system. Without the patch, I get 0 count for the event.
> 
> I pushed this commit to the 'json-v16' branch.
> 
> I also noticed an "Unknown MSR" message when building 'jevents':
> 
>   CC       /root/suka/linux-acme.git/tools/perf/perf-obj/pmu-events/jevents.o
>   LD       /root/suka/linux-acme.git/tools/perf/perf-obj/pmu-events/jevents-in.o
>   LINK     /root/suka/linux-acme.git/tools/perf/perf-obj/pmu-events/jevents
>   GEN      /root/suka/linux-acme.git/tools/perf/perf-obj/pmu-events/pmu-events.c
> jevents: Unknown MSR in event file 0x3F7

I'll take a look and send a patch for that.

-Andi
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