From nobody Mon Apr 6 09:11:27 2026 Received: from mail-dl1-f74.google.com (mail-dl1-f74.google.com [74.125.82.74]) (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 4B54C36F437 for ; Fri, 20 Mar 2026 08:09:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.74 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773994142; cv=none; b=qRmQTVbAE8DjmXhfayO6vjV6Kq1SK+iXOKcES+Me8MyUM6QZa/BUXH4qi5hlosu54VOwQZOW/3r8OuTF/Il450TK5xXBIJgkp0kXecvrM88/XZ15mooXPgqzWbY9vew3Qn4wf6+9Vuamccij7Yq3lCHjdL26MsIDp5Il3zQLEds= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773994142; c=relaxed/simple; bh=RCv6opy0rOqvlNj5z92+NzI29eWRQq7w3cUzbQCiF+k=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=DSklJzkKEQOGInEiWnL/ztf7CLSRnE0XLam4789sphoD3+Za+tl/VlnLh0fCcJKbfNnOASM0dhvVzESOcBkKqjbFp3+AbYvCw4KnX7vBnwwjY9hlD6WBo+3QJLMcaeC8nId92sXExGIwf1xX/MGCZdSXKoWTRrBJol2rAc+wNX8= 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=FXzff5BX; arc=none smtp.client-ip=74.125.82.74 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="FXzff5BX" Received: by mail-dl1-f74.google.com with SMTP id a92af1059eb24-127133794b6so1632596c88.1 for ; Fri, 20 Mar 2026 01:09:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1773994140; x=1774598940; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=d33AbYDTlaS5mB4Y5js7O+MGtwScYB2I0WrPSaITagA=; b=FXzff5BXSe9yBOR6ebidVHs3pFoFQfZfna38FzgGpo5WzzlTjwVhbzpYNAIi9/vHwR OkVhq7jv+jIga4n0jhZbzZGtobhD9f7V/LQ87WsJJk+VJFz8kLQDjbqBtRhVo7DFuV08 JiLK6mY5XRagyetE7BAIOMH+mdHM5vwhX6Xvmndyy+Fhn2x/3QoIR5ZRwtBz/Bcak3W8 WmH76EHv5CgpEY0BjkYWcauXe3J3TPztZ6Qtgj5ZAVwNuL/gpq2OhBqk+aHC1zLaZdav tRbCyaaHSLnBFH585N62uODA/ZUby0MdOtZtjtBUgCML+zanxsvET6USAW28nKe+/p9B mdfw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1773994140; x=1774598940; h=cc: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=d33AbYDTlaS5mB4Y5js7O+MGtwScYB2I0WrPSaITagA=; b=TeOkg969nmnGogqi7W57MwnUBE2pLRrKziqcvJfEXIgPGG7lzQO+S8GIti0+OIcdU2 Mcfk5b8rxv7zDz2sBYAZUK1buZI6mFNQSQ63k3YIuuZJLjIYMzARwpkdEhWv1gGulkoI Um7HZOrioK9ZV6qHAr/im4bRNcL4XrzLwITzvfftRQRt29dddyf62TmxpSntCiXyeuSJ TFk62T+fpxj6mQi4vMJUTYc4vSmcf9tEJ6I6OCy/Ot66FI/7IB10vdQmBF3/KMWjQige CJWuqZ8Wr8tp4rQRTLxt6BJvWHaqzFVRkfaqfCTAuPZ2zdqTD/DfuWjWuSFPbHoIctoh s4JQ== X-Forwarded-Encrypted: i=1; AJvYcCUyhHhv1wakJswFa3dXjYWZIQTaYjR6MEi/PDts580/NIjfsJ2g5Hn4arZHEwpr5i6fDSU0seSoS9Jfxw0=@vger.kernel.org X-Gm-Message-State: AOJu0YzPvUiWAKDHa7lLdFeENAbAhRsaPy5d+vnYDBD8Fdgm1dv+8tuM mQBltPdz49yRhTcCjsbmZLrUg61MlZFxJUi7zBrr7v1NTobzZHoXIkKwzXo9b4dCjYcMJronbXo xCKPF7EIIUA== X-Received: from dycok24.prod.google.com ([2002:a05:7301:db18:b0:2c1:88d:a44c]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7022:f9a:b0:122:2f4:b251 with SMTP id a92af1059eb24-12a726cad77mr890039c88.21.1773994140230; Fri, 20 Mar 2026 01:09:00 -0700 (PDT) Date: Fri, 20 Mar 2026 01:08:19 -0700 In-Reply-To: <20260320080835.724836-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260319232334.287517-1-irogers@google.com> <20260320080835.724836-1-irogers@google.com> X-Mailer: git-send-email 2.53.0.959.g497ff81fa9-goog Message-ID: <20260320080835.724836-11-irogers@google.com> Subject: [PATCH v3 10/25] perf lock: Constify trace_lock_handler variables From: Ian Rogers To: namhyung@kernel.org Cc: irogers@google.com, acme@kernel.org, adrian.hunter@intel.com, ajones@ventanamicro.com, ak@linux.intel.com, alex@ghiti.fr, alexander.shishkin@linux.intel.com, anup@brainfault.org, aou@eecs.berkeley.edu, atrajeev@linux.ibm.com, blakejones@google.com, ctshao@google.com, dapeng1.mi@linux.intel.com, derek.foreman@collabora.com, dvyukov@google.com, howardchu95@gmail.com, hrishikesh123s@gmail.com, james.clark@linaro.org, jolsa@kernel.org, krzysztof.m.lopatowski@gmail.com, leo.yan@arm.com, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux@treblig.org, mingo@redhat.com, nichen@iscas.ac.cn, palmer@dabbelt.com, peterz@infradead.org, pjw@kernel.org, ravi.bangoria@amd.com, swapnil.sapkal@amd.com, tanze@kylinos.cn, thomas.falcon@intel.com, tianyou.li@intel.com, yujie.liu@intel.com, zhouquan@iscas.ac.cn 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 2.53.0.959.g497ff81fa9-goog