Re: [tip:perf/core] perf/core: Verify we have a single perf_hw_context PMU

From: Borislav Petkov
Date: Mon Apr 04 2016 - 14:44:15 EST


On Mon, Apr 04, 2016 at 04:02:08PM +0200, Peter Zijlstra wrote:
> This triggered on AMD machines..
>
> ---
> Subject: perf,amd: Do not register a task ctx for uncore PMUs
>
> Uncore PMUs are per node, they cannot have per-task counters.
>
> Reported-by: Borislav Petkov <bp@xxxxxxx>
^
-and-tested-by: moi

> Reported-by: Ingo Molnar <mingo@xxxxxxxxxx>
> Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
> ---
> arch/x86/events/amd/uncore.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)

...

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Regards/Gruss,
Boris.

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