From: Andi Kleen <ak@linux.intel.com>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: namhyung@kernel.org, irogers@google.com, acme@kernel.org,
linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v7 0/9] perf report: Add latency and parallelism profiling
Date: Fri, 14 Feb 2025 10:05:19 -0800 [thread overview]
Message-ID: <Z6-F35N8fkhTvagn@tassilo> (raw)
In-Reply-To: <cover.1739437531.git.dvyukov@google.com>
On Thu, Feb 13, 2025 at 10:08:13AM +0100, Dmitry Vyukov wrote:
> There are two notions of time: wall-clock time and CPU time.
> For a single-threaded program, or a program running on a single-core
> machine, these notions are the same. However, for a multi-threaded/
> multi-process program running on a multi-core machine, these notions are
> significantly different. Each second of wall-clock time we have
> number-of-cores seconds of CPU time.
I read through it and it looks good to me.
For the patchkit.
Reviewed-by: Andi Kleen <ak@linux.intel.com>
next prev parent reply other threads:[~2025-02-14 18:05 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-13 9:08 [PATCH v7 0/9] perf report: Add latency and parallelism profiling Dmitry Vyukov
2025-02-13 9:08 ` [PATCH v7 1/9] perf report: Add machine parallelism Dmitry Vyukov
2025-02-13 9:08 ` [PATCH v7 2/9] perf report: Add parallelism sort key Dmitry Vyukov
2025-02-13 9:08 ` [PATCH v7 3/9] perf report: Switch filtered from u8 to u16 Dmitry Vyukov
2025-02-18 18:46 ` Namhyung Kim
2025-02-13 9:08 ` [PATCH v7 4/9] perf report: Add parallelism filter Dmitry Vyukov
2025-02-13 9:08 ` [PATCH v7 5/9] perf report: Add latency output field Dmitry Vyukov
2025-02-13 9:08 ` [PATCH v7 6/9] perf report: Add --latency flag Dmitry Vyukov
2025-02-13 9:08 ` [PATCH v7 7/9] perf report: Add latency and parallelism profiling documentation Dmitry Vyukov
2025-02-13 9:08 ` [PATCH v7 8/9] perf test: Add tests for latency and parallelism profiling Dmitry Vyukov
2025-02-13 9:08 ` [PATCH v7 9/9] perf hist: Shrink struct hist_entry size Dmitry Vyukov
2025-02-14 18:05 ` Andi Kleen [this message]
2025-02-18 6:27 ` [PATCH v7 0/9] perf report: Add latency and parallelism profiling Dmitry Vyukov
2025-02-19 20:32 ` Namhyung Kim
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