From: "Li,Rongqing" <lirongqing@baidu.com>
To: Tejun Heo <tj@kernel.org>
Cc: "void@manifault.com" <void@manifault.com>,
"arighi@nvidia.com" <arighi@nvidia.com>,
"changwoo@igalia.com" <changwoo@igalia.com>,
"mingo@redhat.com" <mingo@redhat.com>,
"peterz@infradead.org" <peterz@infradead.org>,
"juri.lelli@redhat.com" <juri.lelli@redhat.com>,
"vincent.guittot@linaro.org" <vincent.guittot@linaro.org>,
"dietmar.eggemann@arm.com" <dietmar.eggemann@arm.com>,
"rostedt@goodmis.org" <rostedt@goodmis.org>,
"bsegall@google.com" <bsegall@google.com>,
"mgorman@suse.de" <mgorman@suse.de>,
"vschneid@redhat.com" <vschneid@redhat.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: 答复: [????] Re: [PATCH] sched_ext: Simplify cpumask computation in balance_scx
Date: Sat, 8 Mar 2025 13:32:07 +0000 [thread overview]
Message-ID: <7f05b88f883848a583e36afe97bb0c7c@baidu.com> (raw)
In-Reply-To: <Z8sXt5eRyga_ukql@slm.duckdns.org>
> How is cpumask_of() expensive? I have a hard time seeing how this would
> actually improve anything. Do you have any measurements?
>
for_each_cpu_andnot+cpumask_of is more faster
sorry for this noise
thanks
prev parent reply other threads:[~2025-03-08 13:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-07 6:45 lirongqing
2025-03-07 15:58 ` Tejun Heo
2025-03-08 13:32 ` Li,Rongqing [this message]
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