From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 29C3A3D96A; Sat, 12 Oct 2024 15:44:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728747881; cv=none; b=Uw+JVR/w1/F2opxmTmODrt77XhcOMZck+1kvQTzn1yKpk71MRgFK6yIEH8m1Yt7rxVZa0jjLavmqLKRgNB7jYdY53f7AWmKIKm49E9jDzUdvSMsOvRXzdRFOiECcpOZUKMtJl+7IFMSANUtGmjzvNufgODVT3+J3tdZhIJTT+rU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728747881; c=relaxed/simple; bh=GvEG6pNIjU8VsVChUPijBr4l4luht3AhCzaXUGL9IMA=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=qihMO+qHZHXW3wi4ZAEu1RAVCmbPjn1luwoTzFprPUU+x9wJxPiqupDXcPwiDsxHiib954IaAc92jIXxVoBI9cJvpB/x+PGUuFxox3mKLaHOa5SfaGYfOcfaFvQEClwhipODb89LJ+XlcvGayqv+9kEk46XPbvCBgiqfCJNm3XM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id C0EF8DA7; Sat, 12 Oct 2024 08:45:07 -0700 (PDT) Received: from e132581.cambridge.arm.com (e132581.arm.com [10.2.76.71]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 9DB5E3F58B; Sat, 12 Oct 2024 08:44:36 -0700 (PDT) From: Leo Yan To: Arnaldo Carvalho de Melo , Masami Hiramatsu , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , "Liang, Kan" , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Leo Yan Subject: [PATCH v2 0/3] perf probe: Improve logs for long name string Date: Sat, 12 Oct 2024 16:44:25 +0100 Message-Id: <20241012154428.888373-1-leo.yan@arm.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The series [1] tries to use hashed symbol names for event names. This can avoid failures due to long symbol names. Somehow, it is preferred to specify a distinct event name when adding a probe. This series follows up on the comment to improve the logs for long group and event strings. [1] https://lore.kernel.org/linux-perf-users/20241010234818.ab279974ef597f02b61ab850@kernel.org/T/ Changes from v1: - Used a patch to add MAX_EVENT_NAME_LEN macro. - Refined log for long event name failure to replace hashed event name (Masami). Leo Yan (3): perf probe: Use the MAX_EVENT_NAME_LEN macro perf probe: Check group string length perf probe: Improve log for long event name failure tools/perf/util/probe-event.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) -- 2.25.1