perf probe: Use strlist__for_each macros in probe-event.c

Use strlist__for_each macros instead of using strlist__entry()
and index variable.

Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Jim Keniston <jkenisto@us.ibm.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Frank Ch. Eigler <fche@redhat.com>
Cc: Jason Baron <jbaron@redhat.com>
Cc: K.Prasad <prasad@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: systemtap <systemtap@sources.redhat.com>
Cc: DLE <dle-develop@lists.sourceforge.net>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <20091215153203.17436.52039.stgit@dhcp-100-2-132.bos.redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index eab25d6..3e30be9 100644 (file)
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -404,7 +404,6 @@ static void show_perf_probe_event(const char *group, const char *event,
 /* List up current perf-probe events */
 void show_perf_probe_events(void)
 {
-       unsigned int i;
        int fd, nr;
        char *group, *event;
        struct probe_point pp;
@@ -415,8 +414,7 @@ void show_perf_probe_events(void)
        rawlist = get_trace_kprobe_event_rawlist(fd);
        close(fd);
 
-       for (i = 0; i < strlist__nr_entries(rawlist); i++) {
-               ent = strlist__entry(rawlist, i);
+       strlist__for_each(ent, rawlist) {
                parse_trace_kprobe_event(ent->s, &group, &event, &pp);
                /* Synthesize only event probe point */
                nr = pp.nr_args;
@@ -436,7 +434,6 @@ void show_perf_probe_events(void)
 /* Get current perf-probe event names */
 static struct strlist *get_perf_event_names(int fd, bool include_group)
 {
-       unsigned int i;
        char *group, *event;
        char buf[128];
        struct strlist *sl, *rawlist;
@@ -445,8 +442,7 @@ static struct strlist *get_perf_event_names(int fd, bool include_group)
        rawlist = get_trace_kprobe_event_rawlist(fd);
 
        sl = strlist__new(true, NULL);
-       for (i = 0; i < strlist__nr_entries(rawlist); i++) {
-               ent = strlist__entry(rawlist, i);
+       strlist__for_each(ent, rawlist) {
                parse_trace_kprobe_event(ent->s, &group, &event, NULL);
                if (include_group) {
                        if (e_snprintf(buf, 128, "%s:%s", group, event) < 0)
@@ -561,7 +557,6 @@ static void del_trace_kprobe_event(int fd, const char *group,
 void del_trace_kprobe_events(struct strlist *dellist)
 {
        int fd;
-       unsigned int i;
        const char *group, *event;
        char *p, *str;
        struct str_node *ent;
@@ -571,8 +566,7 @@ void del_trace_kprobe_events(struct strlist *dellist)
        /* Get current event names */
        namelist = get_perf_event_names(fd, true);
 
-       for (i = 0; i < strlist__nr_entries(dellist); i++) {
-               ent = strlist__entry(dellist, i);
+       strlist__for_each(ent, dellist) {
                str = strdup(ent->s);
                if (!str)
                        die("Failed to copy event.");