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Fri, 18 Jul 2025 03:26:59 -0700 (PDT) X-Google-Smtp-Source: AGHT+IEpi/oLZSfF2NXEYGs/7vTSjp4YTnet4cpMnngioIMkIsZI/XYrA/Hg+gK4DTjgtUrkSgaj9A== X-Received: by 2002:a05:6000:250d:b0:3a5:58a5:6a83 with SMTP id ffacd0b85a97d-3b613e66eaemr5223568f8f.13.1752834419110; Fri, 18 Jul 2025 03:26:59 -0700 (PDT) Received: from gmonaco-thinkpadt14gen3.rmtit.csb ([185.107.56.30]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4563b74029bsm15741565e9.22.2025.07.18.03.26.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Jul 2025 03:26:58 -0700 (PDT) Message-ID: Subject: Re: [PATCH v3 17/17] rv: Add opid per-cpu monitor From: Gabriele Monaco To: Nam Cao Cc: linux-kernel@vger.kernel.org, Steven Rostedt , linux-trace-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Tomas Glozar , Juri Lelli , Clark Williams , John Kacur Date: Fri, 18 Jul 2025 12:26:56 +0200 In-Reply-To: <20250716093825.rWXnBtv5@linutronix.de> References: <20250715071434.22508-1-gmonaco@redhat.com> <20250715071434.22508-18-gmonaco@redhat.com> <20250716093825.rWXnBtv5@linutronix.de> Autocrypt: addr=gmonaco@redhat.com; prefer-encrypt=mutual; keydata=mDMEZuK5YxYJKwYBBAHaRw8BAQdAmJ3dM9Sz6/Hodu33Qrf8QH2bNeNbOikqYtxWFLVm0 1a0JEdhYnJpZWxlIE1vbmFjbyA8Z21vbmFjb0ByZWRoYXQuY29tPoiZBBMWCgBBFiEEysoR+AuB3R Zwp6j270psSVh4TfIFAmbiuWMCGwMFCQWjmoAFCwkIBwICIgIGFQoJCAsCBBYCAwECHgcCF4AACgk Q70psSVh4TfJzZgD/TXjnqCyqaZH/Y2w+YVbvm93WX2eqBqiVZ6VEjTuGNs8A/iPrKbzdWC7AicnK xyhmqeUWOzFx5P43S1E1dhsrLWgP Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2 (3.56.2-1.fc42) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Wed, 2025-07-16 at 11:38 +0200, Nam Cao wrote: > And the monitor reports some errors on riscv64 with PREEMPT_RT=3Dy: >=20 > root@riscv:~/rv-tests# uname -a > Linux riscv 6.16.0-rc6-00054-g7590637d9ca2 #87 SMP PREEMPT_RT Wed Jul > 16 11:26:00 CEST 2025 riscv64 GNU/Linux > root@riscv:~/rv-tests# stress-ng --cpu-sched -1 > stress-ng: info:=C2=A0 [452] defaulting to a 1 day run per stressor > stress-ng: info:=C2=A0 [452] dispatching hogs: 4 cpu-sched > [=C2=A0 614.390462] rv: monitor opid does not allow event irq_entry on > state in_irq Finally managed to bootstrap a riscv VM, that is an error I thought I'd fixed and I'm genuinely surprised I didn't notice on other architectures. Thanks again for catching it though! Gabriele