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From: Atish Patra <atishp@atishpatra.org>
To: Andi Kleen <ak@linux.intel.com>
Cc: Nikita Shubin <nikita.shubin@maquefel.me>,
	Atish Patra <atishp@rivosinc.com>,
	linux-riscv <linux-riscv@lists.infradead.org>,
	linux <linux@yadro.com>, Nikita Shubin <n.shubin@yadro.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
	Kajol Jain <kjain@linux.ibm.com>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Kan Liang <kan.liang@linux.intel.com>,
	Jin Yao <yao.jin@linux.intel.com>,
	Ian Rogers <irogers@google.com>,
	John Garry <john.garry@huawei.com>,
	Riccardo Mancini <rickyman7@gmail.com>,
	Madhavan Srinivasan <maddy@linux.ibm.com>,
	Song Liu <song@kernel.org>,
	linux-perf-users@vger.kernel.org,
	"linux-kernel@vger.kernel.org List"
	<linux-kernel@vger.kernel.org>
Subject: Re: [RFC PATCH 1/1] perf tools: Add 'm' event modifier for counting machine
Date: Tue, 11 Jan 2022 10:59:43 -0800	[thread overview]
Message-ID: <CAOnJCUKVGZ=ixXJb3d--JKA8DqSvHq4bnV9A1z4YPiQzDjzXHQ@mail.gmail.com> (raw)
In-Reply-To: <4b655bf8-ce56-ffe6-78b6-1f949b8df11f@linux.intel.com>

On Tue, Jan 11, 2022 at 10:53 AM Andi Kleen <ak@linux.intel.com> wrote:
>
>
> >
> >    u - user-space counting
> >    k - kernel counting
> > + m - machine counting
>
>
> You really need to explain what "machine counting" actually is, as well
> that is likely irrelevant for most CPUs.
>

Ideally, this should firmware counting instead of "machine counting"
which is a RISC-V specific terminology
(Machine mode is highest privilege mode similar to EL3 in ARM where
the firmware runs)

> I also didn't see that anywhere in the commit logs.
>
> -Andi
>
>
> _______________________________________________
> linux-riscv mailing list
> linux-riscv@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-riscv



-- 
Regards,
Atish

  reply	other threads:[~2022-01-11 19:00 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-11 14:20 [RFC PATCH 0/1] perf tools: Add 'm' event modifier for counting Nikita Shubin
2022-01-11 14:20 ` [RFC PATCH 1/1] perf tools: Add 'm' event modifier for counting machine Nikita Shubin
2022-01-11 18:52   ` Andi Kleen
2022-01-11 18:59     ` Atish Patra [this message]
2022-01-11 14:29 ` [RFC PATCH 0/1] perf tools: Add 'm' event modifier for counting Jessica Clarke
2022-01-11 18:45   ` Atish Patra
2022-01-12  7:05     ` Nikita Shubin
2022-01-12  6:49   ` Nikita Shubin

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