From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753784AbaKYNWd (ORCPT ); Tue, 25 Nov 2014 08:22:33 -0500 Received: from mail.kernel.org ([198.145.19.201]:35587 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754420AbaKYNWa (ORCPT ); Tue, 25 Nov 2014 08:22:30 -0500 From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Namhyung Kim , Andi Kleen , David Ahern , Frederic Weisbecker , Jiri Olsa , Namhyung Kim , Paul Mackerras , Peter Zijlstra , Arnaldo Carvalho de Melo Subject: [PATCH 02/12] perf tools: Collapse first level callchain entry if it has sibling Date: Tue, 25 Nov 2014 10:22:00 -0300 Message-Id: <1416921730-5063-3-git-send-email-acme@kernel.org> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1416921730-5063-1-git-send-email-acme@kernel.org> References: <1416921730-5063-1-git-send-email-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Namhyung Kim If first level callchain has more than single path like when -g caller option is given, it should show only first one in the path and hide others. But it didn't do it properly and just hindered the output. Before: - 80.33% 11.11% abc2 abc2 [.] main + 86.18% main 13.82% __libc_start_main main After: - 80.33% 11.11% abc2 abc2 [.] main + 86.18% main + 13.82% __libc_start_main Signed-off-by: Namhyung Kim Cc: Andi Kleen Cc: David Ahern Cc: Frederic Weisbecker Cc: Ingo Molnar Cc: Jiri Olsa Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1416816807-6495-2-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/ui/browsers/hists.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index 8d22905a4687..502daff76ceb 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -227,10 +227,14 @@ static void callchain_node__init_have_children_rb_tree(struct callchain_node *no } } -static void callchain_node__init_have_children(struct callchain_node *node) +static void callchain_node__init_have_children(struct callchain_node *node, + bool has_sibling) { struct callchain_list *chain; + chain = list_entry(node->val.next, struct callchain_list, list); + chain->ms.has_children = has_sibling; + if (!list_empty(&node->val)) { chain = list_entry(node->val.prev, struct callchain_list, list); chain->ms.has_children = !RB_EMPTY_ROOT(&node->rb_root); @@ -241,11 +245,12 @@ static void callchain_node__init_have_children(struct callchain_node *node) static void callchain__init_have_children(struct rb_root *root) { - struct rb_node *nd; + struct rb_node *nd = rb_first(root); + bool has_sibling = nd && rb_next(nd); for (nd = rb_first(root); nd; nd = rb_next(nd)) { struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node); - callchain_node__init_have_children(node); + callchain_node__init_have_children(node, has_sibling); } } -- 1.9.3