From mboxrd@z Thu Jan 1 00:00:00 1970 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 3D0F0224F0 for ; Thu, 30 Jan 2025 05:27:55 +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=1738214876; cv=none; b=DNQg0HOQwafLXbMt+524g3biFT/aG03TcuCFip6DO7sRf82+xEBUnO/f+WprfkJRaP2gxZfARquz4PKP046wjN0aA2PCFZwh5tF8+H+SzQ5iLOqm+lNDKTVp5pfV83BXQ5aMmoNK4wjIUxfNQtnQbahVBYyC3sgljdees9qtZrY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738214876; c=relaxed/simple; bh=Ht42p/R3GvLPsEkGjA4DAAVNTKk7SjZobV1MMBLi7PI=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=TiCy/qd1WOxDlWpEAF3cTR5mBbB60qWHJUC6Vm/5Q4Jzy4RjVPteMD7BX0IHVLqfkVAePc5K58G5ZZPH4hd4I6ugLzH9nux2lT5cbO/A2S5hNMPk4AVhgSVUi/QHZkYSXIlr3/6dzOunQ8lxT9Wf+NosfhcbtT60eN+B7dghw00= 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=crjbuO8n; 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="crjbuO8n" Received: by mail-pj1-f74.google.com with SMTP id 98e67ed59e1d1-2ef909597d9so1217000a91.3 for ; Wed, 29 Jan 2025 21:27:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1738214874; x=1738819674; 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=lZWmWQKUD35icTNF3HhWFGiCoHcg7wGDsZidgu9Msnk=; b=crjbuO8n1PMExqmUF/R8hbdwQcIGaoujUGGLLkJZDIWzq6QcruUG+V4JOZRUa1de7c M06O1tuDPq9c6G1+uT858Xdp/er1LlrZIcdGtCDFzg+ObS6EWIMx2CDpvPlrRyZxt2ti NTW09S+JGnEkmh9bPuKk7ztX91cdWT0IgNE/9UzE8ENKPWCUJ6HP2KTDZljFwFE5CruY 42Dari9wXscyYGce4f6cp4G+AFYfTIFPxOsESguZYIId2IfNRL8ytqcAV0WmAz1J/0q9 A5bfIqUZ23RXKKi6oKkHu8CiLGwQLqvWYaDLx6QOGmAta61910MxylNiVrR6+EzUDzPF XC5w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738214874; x=1738819674; 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=lZWmWQKUD35icTNF3HhWFGiCoHcg7wGDsZidgu9Msnk=; b=TGkc509GVY6lmKL2Rct5mhQ53RinIxXerCnfqfz6B4uhuG1rcTo4kX/kjxWSVA496c PQEAC+CqBa7R5xczYZBJ+GYLFFZ1OSg2YmOrXgf/4S49EcmFhmy8EPM31h1DWJIcgXlh S/N9hxTf9rnDEzV4ErzeoblrtRrHc98DK1ynMZSMPCwWs9616hp5Bo3ceIsV6viTp6SF j1EUJZzeoWQKP48G/uo0LF5euv8pdyK8OZ45/cbsJPsXetxBGkJYpIPG3ZGzajVVRiP/ UkkcrzfetcchR9bQ8V6pXTqfvN+u6j9fUFp24Kwham8HgGN1eTf4h4vN77qfbugwcdfG 5sNg== X-Gm-Message-State: AOJu0YyWL3O/ZPVFMbLcvXfz/RwCo2/2Pu03aKd5GuZ9jryeZNUxGE1/ guHlsKLD7v557FARljI5qhgyB+H4FUzIoNyThIujvasHxl73vd/sCsbJJBtxEF68PyAGQ/P6D+z 9om9vf1T+DrkiGNHnml0kmQFUJu+A3QnrcxzEP12L2hilZ47NmztFnM3TgVxLhQTvI66Q0NRWfV OArBYFCeJvVu80PCT56M+CejCvVIMXuUKr3C1+cY9n X-Google-Smtp-Source: AGHT+IFTGGMJDvsDA2u5yz62HGQdtvml8XGOC02A1JQSSppiaRkgKuKOZukXXfRh7ajMa8jwe35GDum78Gs= X-Received: from pjbtb14.prod.google.com ([2002:a17:90b:53ce:b0:2e0:aba3:662a]) (user=ctshao job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:1c03:b0:2ee:d18c:7d84 with SMTP id 98e67ed59e1d1-2f83ac17ebemr8179710a91.20.1738214874459; Wed, 29 Jan 2025 21:27:54 -0800 (PST) Date: Wed, 29 Jan 2025 21:21:37 -0800 In-Reply-To: <20250130052510.860318-1-ctshao@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250130052510.860318-1-ctshao@google.com> X-Mailer: git-send-email 2.48.1.362.g079036d154-goog Message-ID: <20250130052510.860318-4-ctshao@google.com> Subject: [PATCH v4 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, linux-perf-users@vger.kernel.org, bpf@vger.kernel.org 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); } -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 = &result.rb_node; + struct rb_node **rb = &rr->rb_node; struct rb_node *parent = NULL; struct lock_stat *p; - if (combine_locks && st->combined) - return; - while (*rb) { p = container_of(*rb, struct lock_stat, rb); parent = *rb; @@ -439,13 +436,21 @@ static void insert_to_result(struct lock_stat *st, } rb_link_node(&st->rb, parent, rb); - rb_insert_color(&st->rb, &result); + rb_insert_color(&st->rb, rr); } -/* 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 = result.rb_node; + struct rb_node *node = rr->rb_node; if (!node) return NULL; @@ -453,8 +458,15 @@ static struct lock_stat *pop_from_result(void) while (node->rb_left) node = node->rb_left; - 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); } struct trace_lock_handler { -- 2.48.1.362.g079036d154-goog