From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934176AbcI2Okl (ORCPT ); Thu, 29 Sep 2016 10:40:41 -0400 Received: from merlin.infradead.org ([205.233.59.134]:47424 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933654AbcI2OgW (ORCPT ); Thu, 29 Sep 2016 10:36:22 -0400 From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Linux Weekly News , Adrian Hunter , Jiri Olsa , Masami Hiramatsu , Mathieu Poirier , Arnaldo Carvalho de Melo Subject: [PATCH 12/27] perf symbols: Add dso__last_symbol() Date: Thu, 29 Sep 2016 11:35:41 -0300 Message-Id: <1475159756-21326-13-git-send-email-acme@kernel.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1475159756-21326-1-git-send-email-acme@kernel.org> References: <1475159756-21326-1-git-send-email-acme@kernel.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by merlin.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Adrian Hunter Add a function to find the last symbol in a DSO. This will be used when parsing address filters to calculate a region that includes the entire DSO. Signed-off-by: Adrian Hunter Cc: Jiri Olsa Cc: Masami Hiramatsu Cc: Mathieu Poirier Link: http://lkml.kernel.org/r/1474641528-18776-7-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/symbol.c | 15 +++++++++++++++ tools/perf/util/symbol.h | 1 + 2 files changed, 16 insertions(+) diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 19c9c558454f..aecff69a510d 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -345,6 +345,16 @@ static struct symbol *symbols__first(struct rb_root *symbols) return NULL; } +static struct symbol *symbols__last(struct rb_root *symbols) +{ + struct rb_node *n = rb_last(symbols); + + if (n) + return rb_entry(n, struct symbol, rb_node); + + return NULL; +} + static struct symbol *symbols__next(struct symbol *sym) { struct rb_node *n = rb_next(&sym->rb_node); @@ -466,6 +476,11 @@ struct symbol *dso__first_symbol(struct dso *dso, enum map_type type) return symbols__first(&dso->symbols[type]); } +struct symbol *dso__last_symbol(struct dso *dso, enum map_type type) +{ + return symbols__last(&dso->symbols[type]); +} + struct symbol *dso__next_symbol(struct symbol *sym) { return symbols__next(sym); diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index 0dacfb7d5b67..d964844eb314 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -259,6 +259,7 @@ struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type, struct symbol *symbol__next_by_name(struct symbol *sym); struct symbol *dso__first_symbol(struct dso *dso, enum map_type type); +struct symbol *dso__last_symbol(struct dso *dso, enum map_type type); struct symbol *dso__next_symbol(struct symbol *sym); enum dso_type dso__type_fd(int fd); -- 2.7.4