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[71.234.51.224]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-5431199514bsm14271581cf.5.2026.10.30.07.07.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 30 Oct 2026 07:07:09 -0700 (PDT) Date: Fri, 30 Oct 2026 10:07:05 -0400 From: Sana Sharma To: linux-rt-users@vger.kernel.org Cc: jkacur@redhat.com Subject: [PATCH v1] rteval: Edited documentation for multistressor support Message-ID: Reply-To: sansshar@redhat.com X-Mailing-List: linux-rt-users@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Edited docs/rteval.8 to agree with recent code changes in stress-ng load module. This is specfically focused on the multistressor support changes. Assisted-by: Claude Opus 4.8 Signed-off-by: Sana Sharma --- doc/rteval.8 | 35 +++++++++++++++++++++++++++++++---- 1 file changed, 31 insertions(+), 4 deletions(-) diff --git a/doc/rteval.8 b/doc/rteval.8 index 370bad9..660a0d0 100644 --- a/doc/rteval.8 +++ b/doc/rteval.8 @@ -160,12 +160,21 @@ Source tar ball (default: linux-6.17.7.tar.xz). Number of working threads per core (default: 2). .SS Stress-ng Load Module Options +The stress-ng load module only runs when at least one stressor is specified via +\fB\-\-stressng\-stressor\fR or \fB\-\-stressng\-stressors\fR. When it runs, it +takes over as the exclusive load module (other load modules are not run). +Stressor names are validated against the output of \fBstress\-ng \-\-stressors\fR. .TP -.B \-\-stressng\-option \fIOPTION\fR -Stressor specific option. +.B \-\-stressng\-stressor \fINAME\fR +Stressor to run. Repeat the flag to run several stressors in parallel +(e.g., \fB\-\-stressng\-stressor cpu \-\-stressng\-stressor vm\fR). .TP -.B \-\-stressng\-arg \fIARG\fR -Stressor specific arg. +.B \-\-stressng\-stressors \fILIST\fR +Comma-separated list of stressors to run in parallel (e.g., \fIcpu,vm,io\fR). +.TP +.B \-\-stressng\-workers \fIN\fR +Number of workers to start per stressor (default: 0, which starts one worker per +available CPU). .TP .B \-\-stressng\-timeout \fIT\fR Timeout after T seconds. @@ -238,6 +247,24 @@ sudo rteval -d 1800 --measurement-module timerlat \\ .RE .fi +.SS Multiple Stress-ng Stressors +Run several stress-ng stressors in parallel as the system load: +.PP +.nf +.RS +sudo rteval -d 3600 \\ + --stressng-stressor cpu --stressng-stressor vm +.RE +.fi +.PP +The same set of stressors can be given as a comma-separated list: +.PP +.nf +.RS +sudo rteval -d 3600 --stressng-stressors cpu,vm,io +.RE +.fi + .SS Analyze Existing Reports Summarize multiple existing XML reports: .PP -- 2.54.0 -- Sana Sharma