linux-kernel - Re: [PATCH v7 0/9] perf report: Add latency and parallelism profiling

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Message-Id: <173999713240.1147192.6168999764219054461.b4-ty@kernel.org>
Date: Wed, 19 Feb 2025 12:32:12 -0800
From: Namhyung Kim <namhyung@...nel.org>
To: irogers@...gle.com, acme@...nel.org, ak@...ux.intel.com, 
 Dmitry Vyukov <dvyukov@...gle.com>
Cc: linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 0/9] perf report: Add latency and parallelism
 profiling

On Thu, 13 Feb 2025 10:08:13 +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.
> 
> [...]
Applied to perf-tools-next, thanks!

Best regards,
Namhyung