From nobody Mon Feb 9 02:11:42 2026 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 BE73B1E2602 for ; Fri, 10 Jan 2025 05:15:11 +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=1736486114; cv=none; b=cvLmoCsHVeH8I8j0PUqgjAnouE2pgWtBBUi6+Bl51s34jxvV69UWYvOgza57paD1l0fPI2+Cuhivq/znrC6o/MLEz5TrbxpTUCF/vGs6KSMovcnQy6bnrw2gP9iROoKy1mttwbZ7Yonp0GStoyWPL/Ao2vbI5hPWk3Orq49w7hw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736486114; c=relaxed/simple; bh=7r3spX1VTM6b7Ljhi+bgUnGyr89CaYIzvQ4zgRIgmY8=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=uCjaOsgT8JKoiwhZyF93mdxZPVu7kHkASdz51EUOLaRhA0nrYv7zW5gKirynJHDe+COpjS2S0wRHpfw/cCyEpGKZS2jqMvM9s6ZW6snlJFsi0gQVOdmsY3/AdeVi62QHFZXVNl/6mxk0DGrjShyT70qbT5cuEZjaNZthdlnDSCE= 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=WWAF/PXb; 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="WWAF/PXb" Received: by mail-pj1-f74.google.com with SMTP id 98e67ed59e1d1-2ef909597d9so4844390a91.3 for ; Thu, 09 Jan 2025 21:15:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1736486111; x=1737090911; 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=WWAF/PXb84Kp7d8v91buiy2xvNt2+fk2T7R5LUy9RelaEqmXGFuQA5awicLKdG2ekL SqaCw5AdypW8TF8QlfLp87c8O2ioJH6qgtK1o6nz3/AYWEM4GjVo2wL0a/rsnNn8eO13 EhrcD6a5ltIyvbXp7oC+QLbJKKy2l6+WfLQ5H2mJQ9p3lMkPf4D7cJzfr4oBRq2la+2q 2X32muXVMdPe7b1qoMKDeSECd62ic3AISkLV5j72g6ttYMF5ck+Kxf48Ofc+zpsjih2i vg+h3yP7A/UFGVkivLzEzwWxw3oXApIdjQwIVvhbUXDkkqfeC1USPb1yc/8ZFLtku19Y k9vw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1736486111; x=1737090911; 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=fKZNZ4Fpq0Bhb5foDgv0Hd2YUvOqdFrTGg9d76yx6s4fNEbByJGXkuI8jqkePqEkUm yAk332iwrR3K/L2u/tBsMGWhOKMmgJzSAqOq/mrJ/b3tbrHrfESAM1BN+3EWV74JTVRo +pURscpZ2opUvPKiU5541KeGGji9cix3WuffTCyJDHubZ2lmpB2kp2V5xza9QuaJ2NFf gkvFDG6Nth2bPrxCHbPYvh27OSRzQjum0Uh1SmuQW1srPuj47hcGVLK5bLeRTzgMoBn6 +YWQ+VQyhvSWgpjdkPK3tjARJRWkzHO7WFXNEnTwO8r8oXdI1+8euaDOPk+uGkpVfwuJ riEw== X-Gm-Message-State: AOJu0Yz0v2UqkQudUEw6/s7QcRUC2D0gljxSlamqHTD/LXmvuJk2w7US a2t0Df0TVZvFZHXGvUvtMSVdI4TuqlnaCDNJE5tzJixj3bguUdJyqtk1bFKj7hI1xM/PElUuyEg J8U4DluJs2H4WdcXfMOuk2675xcHBnUmnkKluqqgNcUYx0jchn7uUI5sUFKmeyqjkzv0UfN2SBf /+n9h0f4vGcFlsKIYsRTUbH5pJ2PK4pyGI9so647kG X-Google-Smtp-Source: AGHT+IGlBmwxlhdWhpyG89HKs3UpAFypEVCtO1wb10nPEF0fSyibZ1nDSSEdGPg5uIjNzFSctiSI+svOy0k= X-Received: from pjbsz8.prod.google.com ([2002:a17:90b:2d48:b0:2ee:3128:390f]) (user=ctshao job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:5241:b0:2ee:d18c:7d84 with SMTP id 98e67ed59e1d1-2f548f59de6mr13874596a91.20.1736486110811; Thu, 09 Jan 2025 21:15:10 -0800 (PST) Date: Thu, 9 Jan 2025 21:11:43 -0800 In-Reply-To: <20250110051346.1507178-1-ctshao@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250110051346.1507178-1-ctshao@google.com> X-Mailer: git-send-email 2.47.1.688.g23fc6f90ad-goog Message-ID: <20250110051346.1507178-4-ctshao@google.com> Subject: [PATCH v1 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