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Thu, 23 Jul 2026 06:41:58 -0700 (PDT) Date: Thu, 23 Jul 2026 09:41:57 -0400 From: Johannes Weiner To: Tao Cui Cc: Suren Baghdasaryan , linux-doc@vger.kernel.org, Peter Zijlstra , Jonathan Corbet , Tao Cui , linux-kernel@vger.kernel.org Subject: Re: [PATCH] docs: accounting/psi: document /proc/pressure/irq and irq.pressure Message-ID: References: <20260723123654.456504-1-cui.tao@linux.dev> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260723123654.456504-1-cui.tao@linux.dev> On Thu, Jul 23, 2026 at 08:36:54PM +0800, Tao Cui wrote: > From: Tao Cui > > psi.rst lists only cpu, memory and io, omitting the IRQ/SOFTIRQ pressure > exposed as /proc/pressure/irq (and irq.pressure per cgroup) under > CONFIG_IRQ_TIME_ACCOUNTING. admin-guide/cgroup-v2.rst already documents > irq.pressure; bring psi.rst in line. > > IRQ pressure is tracked only for the "full" state: there is no "some" > line, and writing a "some" trigger returns EINVAL. > > Signed-off-by: Tao Cui Looks good, thank you. Acked-by: Johannes Weiner