Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758302AbZLOP2h (ORCPT ); Tue, 15 Dec 2009 10:28:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758156AbZLOP21 (ORCPT ); Tue, 15 Dec 2009 10:28:27 -0500 Received: from mx1.redhat.com ([209.132.183.28]:48441 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756745AbZLOP2Q (ORCPT ); Tue, 15 Dec 2009 10:28:16 -0500 From: Masami Hiramatsu Subject: [PATCH -tip 06/14] perf probe: Fix --del to update current event list To: Ingo Molnar , Frederic Weisbecker , lkml Cc: Paul Mackerras , Arnaldo Carvalho de Melo , Steven Rostedt , Jim Keniston , Ananth N Mavinakayanahalli , Christoph Hellwig , "Frank Ch. Eigler" , Jason Baron , "K.Prasad" , Peter Zijlstra , Srikar Dronamraju , systemtap , DLE Date: Tue, 15 Dec 2009 10:31:49 -0500 Message-ID: <20091215153149.17436.61265.stgit@dhcp-100-2-132.bos.redhat.com> In-Reply-To: <20091215153106.17436.66584.stgit@dhcp-100-2-132.bos.redhat.com> References: <20091215153106.17436.66584.stgit@dhcp-100-2-132.bos.redhat.com> User-Agent: StGIT/0.14.3 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3694 Lines: 109 Fix --del option to update current existing event list after perf probe deleted an event. Signed-off-by: Masami Hiramatsu Cc: Ingo Molnar Cc: Paul Mackerras Cc: Arnaldo Carvalho de Melo Cc: Steven Rostedt Cc: Jim Keniston Cc: Ananth N Mavinakayanahalli Cc: Christoph Hellwig Cc: Frank Ch. Eigler Cc: Frederic Weisbecker Cc: Jason Baron Cc: K.Prasad Cc: Peter Zijlstra Cc: Srikar Dronamraju --- tools/perf/util/probe-event.c | 5 ++++- tools/perf/util/strlist.c | 6 +++--- tools/perf/util/strlist.h | 7 ++++++- 3 files changed, 13 insertions(+), 5 deletions(-) diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index d733bfa..4055d01 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -540,10 +540,12 @@ static void del_trace_kprobe_event(int fd, const char *group, const char *event, struct strlist *namelist) { char buf[128]; + struct str_node *ent; if (e_snprintf(buf, 128, "%s:%s", group, event) < 0) die("Failed to copy event."); - if (!strlist__has_entry(namelist, buf)) { + ent = strlist__find(namelist, buf); + if (!ent) { pr_info("Info: event \"%s\" does not exist." " Could not remove it.\n", buf); return; @@ -554,6 +556,7 @@ static void del_trace_kprobe_event(int fd, const char *group, write_trace_kprobe_event(fd, buf); printf("Remove event: %s:%s\n", group, event); + strlist__remove(namelist, ent); } void del_trace_kprobe_events(struct strlist *dellist) diff --git a/tools/perf/util/strlist.c b/tools/perf/util/strlist.c index 7ad3817..6783a20 100644 --- a/tools/perf/util/strlist.c +++ b/tools/perf/util/strlist.c @@ -102,7 +102,7 @@ void strlist__remove(struct strlist *self, struct str_node *sn) str_node__delete(sn, self->dupstr); } -bool strlist__has_entry(struct strlist *self, const char *entry) +struct str_node *strlist__find(struct strlist *self, const char *entry) { struct rb_node **p = &self->entries.rb_node; struct rb_node *parent = NULL; @@ -120,10 +120,10 @@ bool strlist__has_entry(struct strlist *self, const char *entry) else if (rc < 0) p = &(*p)->rb_right; else - return true; + return sn; } - return false; + return NULL; } static int strlist__parse_list_entry(struct strlist *self, const char *s) diff --git a/tools/perf/util/strlist.h b/tools/perf/util/strlist.h index cb46593..59091c7 100644 --- a/tools/perf/util/strlist.h +++ b/tools/perf/util/strlist.h @@ -23,7 +23,12 @@ int strlist__load(struct strlist *self, const char *filename); int strlist__add(struct strlist *self, const char *str); struct str_node *strlist__entry(const struct strlist *self, unsigned int idx); -bool strlist__has_entry(struct strlist *self, const char *entry); +struct str_node *strlist__find(struct strlist *self, const char *entry); + +static inline bool strlist__has_entry(struct strlist *self, const char *entry) +{ + return strlist__find(self, entry) != NULL; +} static inline bool strlist__empty(const struct strlist *self) { -- Masami Hiramatsu Software Engineer Hitachi Computer Products (America), Inc. Software Solutions Division e-mail: mhiramat@redhat.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/