From nobody Tue Dec 23 16:20:59 2025 Received: from mail-pj1-f74.google.com (mail-pj1-f74.google.com [209.85.216.74]) (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 743F91865E5 for ; Mon, 13 Jan 2025 05:23:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.74 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736745815; cv=none; b=B+geg6XoWpgrVsyEyxoTpzs/9/Lh+f45BXIkBBT2PuYmp9s7sxY9Rl75fs3cRwz8B3lbKIJ/5x+1FeQCqqRrraKWMJrPmi5rGBsOlQQ9nqH8fFXAegQCAxwpiaKWa9VJy6pxU1TDAler00avXSgPhrzn1frc2zxWbXJgiRwppAE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736745815; c=relaxed/simple; bh=7r3spX1VTM6b7Ljhi+bgUnGyr89CaYIzvQ4zgRIgmY8=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=I0AXmENI2bJwwUwd98hVgmZvnB8iC4JoCYGxW38Q43p1a8cIjZulXQcXEoHY6Y07BkytOErmdnLFli8lupjIej5rGxlLpQrzbINVABq6A43nlXJR2qVfAC7Gcs5kgiiPC8F/+Qqj4NuvDjyoCsvN5rHS+qG5GxnKRICkyf5/FTw= 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=l9gWE0Mn; arc=none smtp.client-ip=209.85.216.74 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="l9gWE0Mn" Received: by mail-pj1-f74.google.com with SMTP id 98e67ed59e1d1-2f46b7851fcso11375587a91.1 for ; Sun, 12 Jan 2025 21:23:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1736745813; x=1737350613; 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=nK90VQgfJdgs3XY2vlzkWlR2hkLCvAiNELZrM3w+SYE=; b=l9gWE0MnlB+/Ap7+uXWp5IZlT8D00cC1G1wWbXa/wxRT8pmFlC8gbbzwKGGTGLbrlo tOohqX5fYEJsUDFXzeGmO1z0YC1XAfHbXdTuixGP0fLidnBXFj3NjZJFuckuUC7rPSO1 zhFsw93ndcCTEn4qLpi7ryM/L+O+B1q2aAt7PcnIwQXoYRW4JhYUdIEMXKBbe49Ffpl+ VSftBygeSO8hdgblj93H8jQ6rhbC84ukl8qm11rN7G6ERTPsli6RtP85DSvIGRNpvUra LOiP5aak2gib4/SqN8YHYnWs53IAEiO8EGvfqgjktn96VTT/aPxgpyplzWHU96J4Mrks Iqlg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1736745813; x=1737350613; 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=nK90VQgfJdgs3XY2vlzkWlR2hkLCvAiNELZrM3w+SYE=; b=VsWDFnMzXpFYB+CiyqyYynwkTG8vwdpe/77NpNF3G1eN8kC93yJ+33jq+iuU983PCX 1vo1Q2XmgvmC2CJAGX7eiViws53vHxgFaINE11Bxv5Usp5RmaOqwuTIEMiEyvNImo3/B wiE82skYe3tByyONkHS8DHTTBtaj2p659kw3k0QAwZxbRsSZjbdqvS8sDCOZm2L1SOco p9YbMfiaU8lu/CJIigRbw24EEZpxOwQFthH9JUtjXLwvVh/78Iq6tiJucAYIQQpKZorG koHbm5YyHPBR2jgJgGbaYJKPypNGIN0UdoNbM7fxwI49cREbG6AqaSvzu8t+OP2cuQji ZG4w== X-Gm-Message-State: AOJu0YzFyegXuFAWnP0FukIH3V/ch7OZ0ctmg+2sm8VN6/kdudBmmyRX wo+tiq+FSFIgtOSe/1pL4LPFDPvEZJrw2Wt2NMXLUF0qoY2TgyNASt5F1CbUyL8Pk55yCa0I3ju 02tazAb/q9xwYwcvUric/gLYtlvesdza8J4zDCZ6mzD6a3noCSMpci6SYmpKf8OXG7Wm95J7SND csziNqe1x3mi6kfv4UrN8kyrFR5GWFBWgESRopd94N X-Google-Smtp-Source: AGHT+IE2T0lvVUiEK+HXuBqpPOONhCmR9IKp8db4I+ItSYAUaSSsYzmbt6l7f7ysmcwdqshEHrllE2BAF+4= X-Received: from pfiv28.prod.google.com ([2002:aa7:99dc:0:b0:725:dec7:dd47]) (user=ctshao job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a00:3cc2:b0:726:f7c9:7b36 with SMTP id d2e1a72fcca58-72d21f325b8mr31890687b3a.8.1736745812736; Sun, 12 Jan 2025 21:23:32 -0800 (PST) Date: Sun, 12 Jan 2025 21:20:16 -0800 In-Reply-To: <20250113052220.2105645-1-ctshao@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250113052220.2105645-1-ctshao@google.com> X-Mailer: git-send-email 2.47.1.688.g23fc6f90ad-goog Message-ID: <20250113052220.2105645-4-ctshao@google.com> Subject: [PATCH v2 3/4] 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, linux-perf-users@vger.kernel.org, bpf@vger.kernel.org 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 062e2b56a2ab..f9b7620444c0 100644 --- a/tools/perf/builtin-lock.c +++ b/tools/perf/builtin-lock.c @@ -438,16 +438,13 @@ 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; @@ -459,13 +456,21 @@ 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; @@ -473,8 +478,15 @@ 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 lock_stat *lock_stat_find(u64 addr) --=20 2.47.1.688.g23fc6f90ad-goog