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[130.111.218.23]) by smtp.gmail.com with ESMTPSA id k9sm2315902qti.24.2018.04.10.07.48.22 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 10 Apr 2018 07:48:23 -0700 (PDT) From: Vince Weaver X-Google-Original-From: Vince Weaver Date: Tue, 10 Apr 2018 10:48:19 -0400 (EDT) X-X-Sender: vince@macbook-air To: linux-kernel@vger.kernel.org cc: Song Liu , Peter Zijlstra , mingo@kernel.org Subject: perf: fuzzer leads to trace_kprobe: Could not insert message flood Message-ID: User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Author: Song Liu Date: Wed Dec 6 14:45:15 2017 -0800 When running the perf_fuzzer on a current git checkout my logs are flooded with messages such as this: [71487.869077] trace_kprobe: Could not insert probe at unknown+0: -22 [71488.174479] trace_kprobe: Could not insert probe at unknown+0: -22 Presumably this is due to the introduction of the perf_kprobe PMU in commit e12f03d7031a977356e3d7b75a68c2185ff8d155 Author: Song Liu Date: Wed Dec 6 14:45:15 2017 -0800 Is there a way to get this error disabled, or else rate-limited? Vince