Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933595AbZLOTb2 (ORCPT ); Tue, 15 Dec 2009 14:31:28 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760992AbZLOTbM (ORCPT ); Tue, 15 Dec 2009 14:31:12 -0500 Received: from hera.kernel.org ([140.211.167.34]:51007 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760974AbZLOT3Q (ORCPT ); Tue, 15 Dec 2009 14:29:16 -0500 Date: Tue, 15 Dec 2009 19:25:58 GMT From: tip-bot for Masami Hiramatsu Cc: acme@redhat.com, mingo@redhat.com, peterz@infradead.org, fweisbec@gmail.com, dle-develop@lists.sourceforge.net, rostedt@goodmis.org, jbaron@redhat.com, tglx@linutronix.de, mhiramat@redhat.com, systemtap@sources.redhat.com, linux-kernel@vger.kernel.org, hpa@zytor.com, paulus@samba.org, fche@redhat.com, jkenisto@us.ibm.com, hch@infradead.org, ananth@in.ibm.com, srikar@linux.vnet.ibm.com, mingo@elte.hu, prasad@linux.vnet.ibm.com Reply-To: mingo@redhat.com, acme@redhat.com, peterz@infradead.org, fweisbec@gmail.com, dle-develop@lists.sourceforge.net, rostedt@goodmis.org, jbaron@redhat.com, tglx@linutronix.de, mhiramat@redhat.com, systemtap@sources.redhat.com, linux-kernel@vger.kernel.org, hpa@zytor.com, paulus@samba.org, fche@redhat.com, jkenisto@us.ibm.com, hch@infradead.org, ananth@in.ibm.com, srikar@linux.vnet.ibm.com, prasad@linux.vnet.ibm.com, mingo@elte.hu In-Reply-To: <20091215153149.17436.61265.stgit@dhcp-100-2-132.bos.redhat.com> References: <20091215153149.17436.61265.stgit@dhcp-100-2-132.bos.redhat.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/urgent] perf probe: Fix --del to update current event list Message-ID: Git-Commit-ID: 3e3405906dab00afecd5a16871850a088eba4626 X-Mailer: tip-git-log-daemon MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4094 Lines: 110 Commit-ID: 3e3405906dab00afecd5a16871850a088eba4626 Gitweb: http://git.kernel.org/tip/3e3405906dab00afecd5a16871850a088eba4626 Author: Masami Hiramatsu AuthorDate: Tue, 15 Dec 2009 10:31:49 -0500 Committer: Ingo Molnar CommitDate: Tue, 15 Dec 2009 20:22:01 +0100 perf probe: Fix --del to update current event list Fix --del option to update current existing event list after perf probe deleted an event. Signed-off-by: Masami Hiramatsu 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: Jason Baron Cc: K.Prasad Cc: Peter Zijlstra Cc: Srikar Dronamraju Cc: systemtap Cc: DLE Cc: Frederic Weisbecker LKML-Reference: <20091215153149.17436.61265.stgit@dhcp-100-2-132.bos.redhat.com> Signed-off-by: Ingo Molnar --- 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 1eacee6..eab25d6 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; } @@ -553,6 +555,7 @@ 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) { -- 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/