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From: Kim Phillips <kim.phillips@amd.com>
To: Vijay Thakkar <vijaythakkar@me.com>,
	Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: "Peter Zijlstra" <peterz@infradead.org>,
	"Ingo Molnar" <mingo@redhat.com>,
	"Alexander Shishkin" <alexander.shishkin@linux.intel.com>,
	"Jiri Olsa" <jolsa@redhat.com>,
	"Namhyung Kim" <namhyung@kernel.org>,
	"Martin Liška" <mliska@suse.cz>, "Jon Grimm" <jon.grimm@amd.com>,
	linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org
Subject: Re: [PATCH v5 1/3] perf vendor events amd: restrict model detection for zen1 based processors
Date: Mon, 16 Mar 2020 18:59:22 -0500	[thread overview]
Message-ID: <b2deb965-7274-8b6f-08b7-1a93e4a2e4df@amd.com> (raw)
In-Reply-To: <20200316225238.150154-2-vijaythakkar@me.com>

On 3/16/20 5:52 PM, Vijay Thakkar wrote:
> This patch changes the previous blanket detection of AMD Family 17h
> processors to be more specific to Zen1 core based products only by
> replacing model detection regex pattern [[:xdigit:]]+ with
> ([12][0-9A-F]|[0-9A-F]), restricting to models 0 though 2f only.
> 
> This change is required to allow for the addition of separate PMU events
> for Zen2 core based models in the following patches as those belong to family
> 17h but have different PMCs. Current PMU events directory has also been
> renamed to "amdzen1" from "amdfam17h" to reflect this specificity.
> 
> Note that although this change does not break PMU counters for existing
> zen1 based systems, it does disable the current set of counters for zen2
> based systems. Counters for zen2 have been added in the following
> patches in this patchset.
> 
> Signed-off-by: Vijay Thakkar <vijaythakkar@me.com>

For the series:

Acked-by: Kim Phillips <kim.phillips@amd.com>

Thanks,

Kim

  reply	other threads:[~2020-03-16 23:59 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-16 22:52 [PATCH v5 0/3] Vijay Thakkar
2020-03-16 22:52 ` [PATCH v5 1/3] perf vendor events amd: restrict model detection for zen1 based processors Vijay Thakkar
2020-03-16 23:59   ` Kim Phillips [this message]
2020-03-16 22:52 ` [PATCH v5 2/3] perf vendor events amd: add Zen2 events Vijay Thakkar
2020-03-18 14:20   ` Arnaldo Carvalho de Melo
2020-03-18 15:21     ` Vijay Thakkar
2020-03-18 15:52       ` Arnaldo Carvalho de Melo
2020-03-18 19:07         ` Vijay Thakkar
2020-03-16 22:52 ` [PATCH v5 3/3] perf vendor events amd: update Zen1 events to V2 Vijay Thakkar

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