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
next prev parent 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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