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Fri, 17 Oct 2025 01:50:08 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGPn1Bq51EEjEp3mbuDuZJdQmHmvxSk92khzwK9w79un3eDQHfNQFRXeoDtb5mSWq1kC9Os9Q== X-Received: by 2002:a05:6000:1a86:b0:407:d776:4434 with SMTP id ffacd0b85a97d-426fb9b5505mr4848383f8f.30.1760691007930; Fri, 17 Oct 2025 01:50:07 -0700 (PDT) Received: from gmonaco-thinkpadt14gen3.rmtit.csb ([185.107.56.40]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-426ce5cfe4esm38047624f8f.26.2025.10.17.01.50.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Oct 2025 01:50:07 -0700 (PDT) Message-ID: Subject: Re: [PATCH 0/2] selftests/verification: Add initial RV tests From: Gabriele Monaco To: Nam Cao , linux-kernel@vger.kernel.org, Steven Rostedt Cc: Masami Hiramatsu , John Kacur , Waylon Cude , linux-trace-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Date: Fri, 17 Oct 2025 10:50:06 +0200 In-Reply-To: <87o6q6vuyj.fsf@yellow.woof> References: <20250926094613.34030-1-gmonaco@redhat.com> <87o6q6vuyj.fsf@yellow.woof> Autocrypt: addr=gmonaco@redhat.com; prefer-encrypt=mutual; keydata=mDMEZuK5YxYJKwYBBAHaRw8BAQdAmJ3dM9Sz6/Hodu33Qrf8QH2bNeNbOikqYtxWFLVm0 1a0JEdhYnJpZWxlIE1vbmFjbyA8Z21vbmFjb0BrZXJuZWwub3JnPoiZBBMWCgBBFiEEysoR+AuB3R Zwp6j270psSVh4TfIFAmjKX2MCGwMFCQWjmoAFCwkIBwICIgIGFQoJCAsCBBYCAwECHgcCF4AACgk Q70psSVh4TfIQuAD+JulczTN6l7oJjyroySU55Fbjdvo52xiYYlMjPG7dCTsBAMFI7dSL5zg98I+8 cXY1J7kyNsY6/dcipqBM4RMaxXsOtCRHYWJyaWVsZSBNb25hY28gPGdtb25hY29AcmVkaGF0LmNvb T6InAQTFgoARAIbAwUJBaOagAULCQgHAgIiAgYVCgkICwIEFgIDAQIeBwIXgBYhBMrKEfgLgd0WcK eo9u9KbElYeE3yBQJoymCyAhkBAAoJEO9KbElYeE3yjX4BAJ/ETNnlHn8OjZPT77xGmal9kbT1bC1 7DfrYVISWV2Y1AP9HdAMhWNAvtCtN2S1beYjNybuK6IzWYcFfeOV+OBWRDQ== Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2 (3.56.2-2.fc42) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Fri, 2025-10-17 at 09:38 +0200, Nam Cao wrote: > Gabriele Monaco writes: > > Add a series of tests to validate the RV tracefs API and basic > > functionality. >=20 > Thanks for the writing this test. My bash knowledge is not great, and > I'm not familiar with the existing ftrace test, so I am not able to > review all the details. But looks good as far as I can tell: >=20 > Acked-by: Nam Cao Thanks for the ack! I think that's good for now as it's going to go to Steve as a next step any= way. I'm going to send a V2 with the following change just to increase the likel= ihood of a wwnr reaction and prepare a PR. I'll keep your ack there unless you explicitly mean otherwise. Thanks, Gabriele diff --git a/tools/testing/selftests/verification/test.d/rv_wwnr_printk.tc b/tools/testing/selftests/verification/test.d/rv_wwnr_printk.tc index bc0b2668bf7c..5a59432b1d93 100644 --- a/tools/testing/selftests/verification/test.d/rv_wwnr_printk.tc +++ b/tools/testing/selftests/verification/test.d/rv_wwnr_printk.tc @@ -4,9 +4,10 @@ # requires: available_reactors wwnr:monitor printk:reactor stress-ng:progr= am =20 load() { # returns true if there was a reaction - local lines_before + local lines_before num + num=3D$((($(nproc) + 1) / 2)) lines_before=3D$(dmesg | wc -l) - stress-ng --cpu-sched 2 --timer 2 -t 5 -q + stress-ng --cpu-sched "$num" --timer "$num" -t 5 -q dmesg | tail -n $((lines_before + 1)) | grep -q "rv: monitor wwnr d= oes not allow event" }