From nobody Tue Feb 10 20:06:12 2026 Received: from mail-dy1-f201.google.com (mail-dy1-f201.google.com [74.125.82.201]) (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 6C98238A733 for ; Mon, 9 Feb 2026 17:41:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770658865; cv=none; b=YIiPd7hqm1z4IvxqXAeqFeB8hmvXUvQy7SZIeejh6UqkJo1CMUJtsmx0LUvA+Rp5hqee7eopVs0iqwXznQng5kl4zYD447uttkehlIzj9Ha5oZpDAyCvWeyuXOPjrK06CIH7BK7zc6ZA4BZ0RJPTnJlGPFZu3kCGVjxfT5YyyTw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770658865; c=relaxed/simple; bh=s7ebJ8coCCRLS7j5tvDUOu7GZ8PPy+u7aer0iwR2zPE=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=cZo2IH0uBG4ZmRuNmb7behADWuy9msst39sLKmpHuKK4YXrTU2IkbFEzvx9KASJvFGxkdaMeD+ifKuhEH7UXEfF5c1m82JGP1Rih9L2DBzR7ASJcREEXgG4uh1PLzgR+CS/tOGLYG76oFwY4JX47yA7a3ge9hyye9HokBUTMFD8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=M3T0GRbs; arc=none smtp.client-ip=74.125.82.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="M3T0GRbs" Received: by mail-dy1-f201.google.com with SMTP id 5a478bee46e88-2ba66faa692so1157020eec.1 for ; Mon, 09 Feb 2026 09:41:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1770658864; x=1771263664; darn=vger.kernel.org; h=to:from:subject:message-id:references:mime-version:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=aWN1rpGTUgCpQfhUsVVshjhCY4UQT3jiWsJWesC5Xbg=; b=M3T0GRbsPeVg5hvNTaBTNdw774Z8ycWouxT1vCv3NyL8x5YGd1OfTMlOLQ4RYSo+z2 tp6s8ujvhQwBZqcgp4Y6Gf0KdrSM6EBgkVfcOY0e8+d6tywKDSTiZGsZtY6/naY2wXEV lauE2jgck1NIJOrzD8YXirjM6I2XYcoe5tokFwcDqDJ+6njIN+Fpg8GjUq9Y2DJRuihP R3QfL+wtPdasPWhgSoShsViU51NhxwtzK1IvKoSTctPve2hDREPEebjSTtUamvD7CF3l 118MBkscqbWdAlI1oJ2zu4tC5r2OcFKjzW8kUuRjqKioFZYpL/WSbqpcdi3sNQ2wOQ6c cKZA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770658864; x=1771263664; h=to:from:subject:message-id:references:mime-version:in-reply-to:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=aWN1rpGTUgCpQfhUsVVshjhCY4UQT3jiWsJWesC5Xbg=; b=kK0aKiZnck/MjdUCp70TJxfj4launOE0ARFtibnHeCyiR0iXtbS+lqtBhDpUwtgPwG fWXjjMjz2cPXLMbZ23qoNuQv+d5fib2hL2+vd992gzxV2t4LiUYYMq2KnyrZV1xFZRFH ZlyuaV34ZBkekntZkz3N3wtSzvfBhbOv8+Uc63sqSEmpfb13H+YFDucxbZygHhYRxbWx 9IKLbVgr2+1NnumLOqY9TO4QhnEN6Qo1nUCovX6wAuQfwZiQ+SBVWNqeyx1dvsr5oNuD Mb6C2Oj/2tJhEazo4WSXZ4FTLBWCVuKj2R8uisPoImI05HUyx1hnRCWabAu35jsha9r/ T2Cg== X-Forwarded-Encrypted: i=1; AJvYcCWS1vHlrVWm2z420cBk7AtZBHIk2ZtjLp00vIbFXoGOdQSOSHHwdq2NARojYvIys1KUaGydnS7rN6B5LkM=@vger.kernel.org X-Gm-Message-State: AOJu0YzNc0ISAKzwR44i3/bnhNAJgDS9HiK+TKh1DdYYiPlp8ixQ38I8 YjVXYex8dr8a3dxtxiXZS7drFi/049Qf699WtbOH2N0UTGBpM1zWzjH8pIAQyih8r3QMHmMjUM6 80JjwnW4njg== X-Received: from dycnh3.prod.google.com ([2002:a05:7300:ce83:b0:2b9:3292:ebc6]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7301:4190:b0:2ae:51fa:b7ec with SMTP id 5a478bee46e88-2b8567240d5mr6327506eec.25.1770658864382; Mon, 09 Feb 2026 09:41:04 -0800 (PST) Date: Mon, 9 Feb 2026 09:40:17 -0800 In-Reply-To: <20260209174032.4142096-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260209174032.4142096-1-irogers@google.com> X-Mailer: git-send-email 2.53.0.239.g8d8fc8a987-goog Message-ID: <20260209174032.4142096-11-irogers@google.com> Subject: [PATCH v1 10/25] perf lock: Constify trace_lock_handler variables From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Leo Yan , Tianyou Li , Athira Rajeev , Derek Foreman , Thomas Falcon , Howard Chu , Dmitry Vyukov , Andi Kleen , tanze , Hrishikesh Suresh , Quan Zhou , Andrew Jones , Anup Patel , Dapeng Mi , "Dr. David Alan Gilbert" , "=?UTF-8?q?Krzysztof=20=C5=81opatowski?=" , Chun-Tse Shao , Ravi Bangoria , Swapnil Sapkal , Chen Ni , Blake Jones , Yujie Liu , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Structs don't change and so constify. Signed-off-by: Ian Rogers --- tools/perf/builtin-lock.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c index 78fb39d06e7c..735e6bb234ae 100644 --- a/tools/perf/builtin-lock.c +++ b/tools/perf/builtin-lock.c @@ -1179,7 +1179,7 @@ static int report_lock_contention_end_event(struct pe= rf_sample *sample) =20 /* lock oriented handlers */ /* TODO: handlers for CPU oriented, thread oriented */ -static struct trace_lock_handler report_lock_ops =3D { +static const struct trace_lock_handler report_lock_ops =3D { .acquire_event =3D report_lock_acquire_event, .acquired_event =3D report_lock_acquired_event, .contended_event =3D report_lock_contended_event, @@ -1188,13 +1188,13 @@ static struct trace_lock_handler report_lock_ops = =3D { .contention_end_event =3D report_lock_contention_end_event, }; =20 -static struct trace_lock_handler contention_lock_ops =3D { +static const struct trace_lock_handler contention_lock_ops =3D { .contention_begin_event =3D report_lock_contention_begin_event, .contention_end_event =3D report_lock_contention_end_event, }; =20 =20 -static struct trace_lock_handler *trace_handler; +static const struct trace_lock_handler *trace_handler; =20 static int evsel__process_lock_acquire(struct perf_sample *sample) { --=20 2.53.0.239.g8d8fc8a987-goog