From nobody Sun Feb 8 01:51:44 2026 Received: from mail-wm1-f45.google.com (mail-wm1-f45.google.com [209.85.128.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DF5A686342 for ; Thu, 2 Oct 2025 17:09:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.45 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759424986; cv=none; b=NX2lDemi5Y5EyIq3/59RGVH7jicCwFzCB7DygL0NP+S0bu9fSJhIiCg4ym6uJV/29GACg/qI42JQnSatSL/Sp7NhY63lRGIvGERclIjjWWbaYtBTO/5WYJVN+NO/7qbtxbM3Cl1KD6MW3QmA9NuBkdbD9v9kFxTMfCruiVcg99w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759424986; c=relaxed/simple; bh=wV3apveSRN76n364Q4Xgge6Ku/7v8/2U94tI1XcIKwU=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=A3m6i+rdo9kZ59/JLkp8OmFB2k4OyVRtNB3b+w5MapRrqRINsNnfxELCswtO3is+4mqlwIStBSlVHAHcSnZrCAbTwz+897v3VCfKo7k7cNNvFbOGRF7Y1D2XySI5j5PsaPKiq8qdEcZybkKS8vs68Bd2pMBQNMpGf3TnOegWBMc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=gmail.com; arc=none smtp.client-ip=209.85.128.45 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-wm1-f45.google.com with SMTP id 5b1f17b1804b1-46e6ba26c50so6238385e9.2 for ; Thu, 02 Oct 2025 10:09:44 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1759424983; x=1760029783; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=ALhMC3B+HG9RzOr8Fvsyhus8tagwxCMBXxlTBDad21U=; b=jOZKJIR4OAOEmTI+TzFttY8JkKFmZpuCsHRsIOOSSggmfj1Nxh/0b0hEEFnXUrJAWs bHPzOMXFxftbkmWGY72vWYZ62dSYEHSZHSFxGGHSvKV/+cnjRTUQXkHbndvUWaRJjJnq uuPojzKoYFiDXtRfHq8bnGtPhKsTLGRL5/IiK/zUwUwiRSM2XAdUvzHnEcfqXe0L+7sV jqkp2hagdOPhYmPtfgmeMhzYO/9g/LFp+FocYXeu0VGuKofVba0lgvG80acpBL/cDwov 4isLl92VKCZVSJEofrcxVt96lwdKdLmDlzX3AcA8qc6z61c0j5eKhXXwMdXonAcRlem5 BwZQ== X-Forwarded-Encrypted: i=1; AJvYcCVvSju21JjBr5ZUWdAdgUs1Nq9eMEj+RtIA58orB/h30DhTvjEWhhnnMSNaMWWX7MSbC1dJWBBeUohG3Lk=@vger.kernel.org X-Gm-Message-State: AOJu0YxP8DEHfhlVMLg9AgVeBP8fiA6U/FZTN/JsAiweDmKQlAij9v7r WltkrLE1k+N7NbdnpUvyWNPbqsP6g6qLC9aJomJr6X4tM1PMuJK3p3xpDul7WuAC01A= X-Gm-Gg: ASbGncuYz35Rc4g2IDJOihBRcFmLQtwFmcrATgBxP1bGxv+LAk60zcPi/MSmUdVAaNA FwUnLrSwVQ8jeWL041zEjXyJR+wFz9SsIEz9sBFk6dP58cTJBXlgv9zelq5NlVUGBFU3n/w7xlK yQ0r+qeE++ib7XApROQPw5/Xgo/keyKybQLBHVrs2pqN+Gd8uFLlrAUXpwuDBZKXWiJXawFt46B x6FbSmHt45w/IyCh+hnVjXqw5BtYD6+txGdPHH5KOdM5X2SE1+coXqajMvGak4C1Dh4ApzP0Dty SFkv4SnHfBvQ7Z7VzmqNn9QvFquDv93Quj8Axu28da8pSrAWMMI8x39TR4B9w+HHJdA8Gn+EIYe K0zB8S8UFWKt8B3TmRmE3te9hHzNdR+ihoKwDmBIbRn8tfxnnu/Q= X-Google-Smtp-Source: AGHT+IEYZDN8Vs/SGTNR8tAG0UxJGfa0XX0wxDzajLCBKTWIabOxTdsv/uzzOyq0NfdbKIuezVvROA== X-Received: by 2002:a05:600c:3556:b0:46e:4004:a296 with SMTP id 5b1f17b1804b1-46e71109df8mr282575e9.9.1759424982964; Thu, 02 Oct 2025 10:09:42 -0700 (PDT) Received: from localhost ([2a00:a041:e2eb:5500:8728:d68a:a687:c89b]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4255d8abe90sm4407649f8f.23.2025.10.02.10.09.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Oct 2025 10:09:42 -0700 (PDT) From: Costa Shulyupin To: Steven Rostedt , Tomas Glozar , Crystal Wood , Costa Shulyupin , John Kacur , linux-trace-kernel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1] tools/rtla: Fix unassigned nr_cpus Date: Thu, 2 Oct 2025 20:08:45 +0300 Message-ID: <20251002170846.437888-1-costa.shul@redhat.com> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" In recently introduced timerlat_free(), the variable 'nr_cpus' is not assigned. Assign it with sysconf(_SC_NPROCESSORS_CONF) as done elsewhere. Remove the culprit: -Wno-maybe-uninitialized. The rest of the code is clean. Signed-off-by: Costa Shulyupin Reviewed-by: Tomas Glozar --- tools/tracing/rtla/Makefile.rtla | 2 +- tools/tracing/rtla/src/timerlat.c | 3 ++- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/tools/tracing/rtla/Makefile.rtla b/tools/tracing/rtla/Makefile= .rtla index 08c1b40883d3..1743d91829d4 100644 --- a/tools/tracing/rtla/Makefile.rtla +++ b/tools/tracing/rtla/Makefile.rtla @@ -18,7 +18,7 @@ export CC AR STRIP PKG_CONFIG LD_SO_CONF_PATH LDCONFIG FOPTS :=3D -flto=3Dauto -ffat-lto-objects -fexceptions -fstack-protector-= strong \ -fasynchronous-unwind-tables -fstack-clash-protection WOPTS :=3D -O -Wall -Werror=3Dformat-security -Wp,-D_FORTIFY_SOURCE=3D2 \ - -Wp,-D_GLIBCXX_ASSERTIONS -Wno-maybe-uninitialized + -Wp,-D_GLIBCXX_ASSERTIONS =20 ifeq ($(CC),clang) FOPTS :=3D $(filter-out -flto=3Dauto -ffat-lto-objects, $(FOPTS)) diff --git a/tools/tracing/rtla/src/timerlat.c b/tools/tracing/rtla/src/tim= erlat.c index 28ea4f6710c1..df4f9bfe3433 100644 --- a/tools/tracing/rtla/src/timerlat.c +++ b/tools/tracing/rtla/src/timerlat.c @@ -213,7 +213,8 @@ void timerlat_analyze(struct osnoise_tool *tool, bool s= topped) void timerlat_free(struct osnoise_tool *tool) { struct timerlat_params *params =3D to_timerlat_params(tool->params); - int nr_cpus, i; + int nr_cpus =3D sysconf(_SC_NPROCESSORS_CONF); + int i; =20 timerlat_aa_destroy(); if (dma_latency_fd >=3D 0) --=20 2.51.0