From nobody Thu Dec 18 19:06:24 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 E8236266184 for ; Mon, 24 Feb 2025 18:51:07 +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=1740423069; cv=none; b=lDuhVjw5x9jE8fO/PNBf3jMftH9IJvZT11noAWDglCikv9+WiZ9XHQyBOw9PYAYoQLkNRsiU0esmZvHdo4PiUI1ojpSWdxwhOsYS8qRFyJwMzyISdaDBy5+IERnqLgsb8Wbr1CYEXYgiK9xyX0B9fVqWjLRNSQL4Tm7YKbULquo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740423069; c=relaxed/simple; bh=SLA+bDmdTB6ULu5zbTamkrhePwVhtRIJqJ5avVgZmLw=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=enN/e2l1ov1I6axXryrR1WWXBQO645ls2bP/+TY2IbokKLNsSRjb8d4hCCczhO6kDQOxOoBUV86jB6CNiFiqBuiJib5gN/ORGR+Ybp0ZQYje0SXX87oSuwmy0v2IVVEFtcZb9iWXFEplA62DGw28BQMM5f2gptQgNh5JoeWmh4w= 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=WvcMtr3B; 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="WvcMtr3B" Received: by mail-pj1-f74.google.com with SMTP id 98e67ed59e1d1-2fc404aaed5so15728782a91.3 for ; Mon, 24 Feb 2025 10:51:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1740423067; x=1741027867; 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=6PFYTBhXyGigxmAagzwCn1stPWOoCBAs7wU0xTcNHU0=; b=WvcMtr3BKhpwlWndhLCmA9p/SXdw8LBk8rv920dZiUXptu+fxUPfgkuVEqMGsFtn62 lB3nvxKNrEbYYvP3yDNi4+AxkRi9hdz5FEeshlw5j1/ZPsYvgA9wyYxY/VHximaGl4jY 2NNFvg8CEeolnF8BKsH+czxzPtjg8Cke7hLSnWrqXL0kaEMi0a1Grs/GVmpZGo89jaEl 6MEKkDdQ7p8inbdzGU0SQkfKeoBCzvO1NSPPEauwMOJLQDly0jks3e7vQp0ua9vvLkxl IKYaer807SgneOy413O1zo06G954bbUvsl3dZmUwj2MNTxql5F1axXwN8oQvfvCKYxrw HO7Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740423067; x=1741027867; 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=6PFYTBhXyGigxmAagzwCn1stPWOoCBAs7wU0xTcNHU0=; b=IDq+gGaCjMcPtlI/YrVPr879j0w7kP6Gc56JIJuoMPP3csIznu3gtNeq0boooxQu/F f8NnxXxfb5MTaNsIBeo/EV0vNvt04EUUmqtXE48aQVbFOsmO8dQT8CgAdOEJFR9m/nWc 4QGlhJH2Fapp+gikgSRhrkYGfRRC49xKl7pKLxAPsR2nB4Sj6TSmqoVSxD+3ahMG07hZ xxyVwMzhlZZn0gAuywStGSLIfbe4lHuIrwcaumy4t3UaFvt+l1JhxmyhJDZXH3xX1ERZ Jw6hf1ggAVrVVvbYX6SYrzPCA1/GAHM9FBkJ5JDLmo6r4SWlDZHUjFiY7MVu4PacVVs0 VF+Q== X-Gm-Message-State: AOJu0Yy2J69VBKPJOsn9tLKdl5LKQN/OlJ9XY/WHHrHXLrObEjqygaJN /7J9Xjm29plXSKJqBGRwnmoIhWPiUvVtrzzCLlXLPlgyBAbnTEs+8GIcBG0I0feWdInwYaArZjI CUVFPZRg1A3roWpVYNobq3BdjOzcjox8gMT7+hXvAaqsGSGIyz4RcUH7dM1sfyPR9KBCzWqsCV7 qrVDDVSjXxHf4swy+Kl0ai5BXaA2vVIfGBRmzN10aY X-Google-Smtp-Source: AGHT+IHBJ0S/vfoZwcwLL32RzZSgNFIQA2ntgsWLkZmiVrk9sGPlhL4/XXbPVBWMgrB6QkbBP2cKfAL4f2M= X-Received: from pjbph4.prod.google.com ([2002:a17:90b:3bc4:b0:2fc:3022:36b4]) (user=ctshao job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90a:da87:b0:2fa:1e3e:9be0 with SMTP id 98e67ed59e1d1-2fce78c9247mr22071548a91.19.1740423067265; Mon, 24 Feb 2025 10:51:07 -0800 (PST) Date: Mon, 24 Feb 2025 10:42:50 -0800 In-Reply-To: <20250224184742.4144931-1-ctshao@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250224184742.4144931-1-ctshao@google.com> X-Mailer: git-send-email 2.48.1.658.g4767266eb4-goog Message-ID: <20250224184742.4144931-4-ctshao@google.com> Subject: [PATCH v7 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, nick.forrington@arm.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 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 2.48.1.658.g4767266eb4-goog