From nobody Wed Feb 11 11:30:26 2026 Received: from mail-oa1-f74.google.com (mail-oa1-f74.google.com [209.85.160.74]) (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 E748817B500 for ; Wed, 29 Jan 2025 00:26:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.74 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738110390; cv=none; b=pyljv9rbdcX/xEm/yMC7Nr+UaQSORvC7ZsG8FE8cnasYCc1+fT9hcU/ZBng83F7FsfFlfkEo15lCFCoxmQyfu5uR8hJw53LeiBLeiYs8Kg/DhbTuE/RxjxJZtgVpJtmBpcfip0RMj+scF/SdNxVvuclIVRFOJAux6clPIerihjk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738110390; c=relaxed/simple; bh=ttHPeGDMTcjcBIoqQRbKRxvn64T3Ln0kMiIrAztObZo=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=QvFuFdUsHWyG7E4jRAz8xORjOK+saLxTOEhjI5zt6ttGi/4CKXuc482oD+rJ3/1iGqBdJaXMpc7Yn+mfBse4IPQhw5XF0LZKdWhwy12FdAYqCQYDVwJlsYh2jJIz5xDln1wWWobtzBR2rwYzyuW9E2V+FwPEIFlgZjL44+YeI7M= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--ctshao.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=VBRmaTqG; arc=none smtp.client-ip=209.85.160.74 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--ctshao.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="VBRmaTqG" Received: by mail-oa1-f74.google.com with SMTP id 586e51a60fabf-2b1aa0c87daso1863688fac.1 for ; Tue, 28 Jan 2025 16:26:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1738110388; x=1738715188; 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=pWNil8Fjn4Jar+XAMcIdAlTx0TuFDQai1n5OzDTNvzE=; b=VBRmaTqGQ4qYMo1iGsTK3FH/zCoaaQW7MoxpKwxsslOlGk/OuF3wICqLvZ0v4Ber0s a7WXuYZp4pd0FPcvKGTTSivuAsu8JO4Sbu2Tp7Sj8RJORqAjs8eK0NAZx7AVY9c0uCHl XafKEnV+fJcLZV3DqaHtBQEkCT86lJtfzVr53IWro21mfn5F/lhw0tjDPYzvNFn1Y6Q2 k4VzBx+maPMqGmYispp6vkQzZZH+HIq71mRXmX0V7DaW9HPQ6Achz0sKkXeiklgdJpT3 8HuaSpLkARSqc++c13BojKhXoSqZEarZ3n4/YbmfC5CBVBI0rcVEKlEi3a5NXGYoylvA isuA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738110388; x=1738715188; 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=pWNil8Fjn4Jar+XAMcIdAlTx0TuFDQai1n5OzDTNvzE=; b=GPuyTgUE6ObMFtzaBATtgf0CTfljG6I25arBcwAc1WvxylcsA4jzHHq8IRrlEr3ceH uVkr3c937tufVupPzmhMG2wGJdXtMMErolYEEqBtSC86l+vv8V33CYS/efrsm6X/rGwc hBB+Kx1etntjxqYdBg5ChYRno1jxnfopFtnjagOyIwbHyoFr25lQQZUD4uaD8Vg6zsmj kSUu70ARCtjBqNswpU8vA19CX1ExMo37HKgkWmcPjDWU2T/6hxFVUtAPOwH0XHl8ZcGX bpEzKaPOUefzqNpNBDrCXgaX7hq5JG6oGlb3Smor7bArqCmwPVRP8fNN7IPuSOtnWox6 /7RQ== X-Gm-Message-State: AOJu0Yz3ApWrdm91oCMo8ffkwuX7Jc1JYWF/iBymvrvCB2CnTEPyRv0Z poJaNEhe+bKy3f2bE1otADhM2OjeZ00xtWnr0z+gjbvy1PIEErvpBbRQBnkSQZjFanyMFgzvAzq U3+ecuYpxqDCC1FKpEoJimlRbLNyGzLZb1sLCb49/XRfDszx9m2MUIXszJIa0GJv4cx7Z3wtUQU lnCbn+G+F59yXMQys+7k4Zok5qz2Nsawci4h+W4IpN X-Google-Smtp-Source: AGHT+IHsDI3JvNuSMQ9/eovun24uNULLxtkUZVYW6kTWXvv63qVQ/psGtmGrSgUv9BBLi2ZcriE/74v7jeg= X-Received: from oabsa15.prod.google.com ([2002:a05:6871:210f:b0:297:1959:a097]) (user=ctshao job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6870:71d6:b0:29e:49b4:92b2 with SMTP id 586e51a60fabf-2b32f0434e2mr647836fac.12.1738110387974; Tue, 28 Jan 2025 16:26:27 -0800 (PST) Date: Tue, 28 Jan 2025 16:14:59 -0800 In-Reply-To: <20250129001905.619859-1-ctshao@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250129001905.619859-1-ctshao@google.com> X-Mailer: git-send-email 2.48.1.262.g85cc9f2d1e-goog Message-ID: <20250129001905.619859-4-ctshao@google.com> Subject: [PATCH v3 3/5] perf lock: Make rb_tree helper functions generic From: Chun-Tse Shao To: linux-kernel@vger.kernel.org Cc: Chun-Tse Shao , peterz@infradead.org, mingo@redhat.com, acme@kernel.org, namhyung@kernel.org, mark.rutland@arm.com, alexander.shishkin@linux.intel.com, jolsa@kernel.org, irogers@google.com, adrian.hunter@intel.com, kan.liang@linux.intel.com, nathan@kernel.org, ndesaulniers@google.com, morbo@google.com, justinstitt@google.com, linux-perf-users@vger.kernel.org, bpf@vger.kernel.org, llvm@lists.linux.dev Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The rb_tree helper functions can be reused for parsing `owner_lock_stat` into rb tree for sorting. Signed-off-by: Chun-Tse Shao --- tools/perf/builtin-lock.c | 34 +++++++++++++++++++++++----------- 1 file changed, 23 insertions(+), 11 deletions(-) diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c index 5d405cd8e696..9bebc186286f 100644 --- a/tools/perf/builtin-lock.c +++ b/tools/perf/builtin-lock.c @@ -418,16 +418,13 @@ static void combine_lock_stats(struct lock_stat *st) rb_insert_color(&st->rb, &sorted); } =20 -static void insert_to_result(struct lock_stat *st, - int (*bigger)(struct lock_stat *, struct lock_stat *)) +static void insert_to(struct rb_root *rr, struct lock_stat *st, + int (*bigger)(struct lock_stat *, struct lock_stat *)) { - struct rb_node **rb =3D &result.rb_node; + struct rb_node **rb =3D &rr->rb_node; struct rb_node *parent =3D NULL; struct lock_stat *p; =20 - if (combine_locks && st->combined) - return; - while (*rb) { p =3D container_of(*rb, struct lock_stat, rb); parent =3D *rb; @@ -439,13 +436,21 @@ static void insert_to_result(struct lock_stat *st, } =20 rb_link_node(&st->rb, parent, rb); - rb_insert_color(&st->rb, &result); + rb_insert_color(&st->rb, rr); } =20 -/* returns left most element of result, and erase it */ -static struct lock_stat *pop_from_result(void) +static inline void insert_to_result(struct lock_stat *st, + int (*bigger)(struct lock_stat *, + struct lock_stat *)) +{ + if (combine_locks && st->combined) + return; + insert_to(&result, st, bigger); +} + +static inline struct lock_stat *pop_from(struct rb_root *rr) { - struct rb_node *node =3D result.rb_node; + struct rb_node *node =3D rr->rb_node; =20 if (!node) return NULL; @@ -453,8 +458,15 @@ static struct lock_stat *pop_from_result(void) while (node->rb_left) node =3D node->rb_left; =20 - rb_erase(node, &result); + rb_erase(node, rr); return container_of(node, struct lock_stat, rb); + +} + +/* returns left most element of result, and erase it */ +static struct lock_stat *pop_from_result(void) +{ + return pop_from(&result); } =20 struct trace_lock_handler { --=20 2.48.1.262.g85cc9f2d1e-goog