[PATCH 12/19] perf probe-cache: Add for_each_probe_cache_entry() wrapper

From: Arnaldo Carvalho de Melo
Date: Wed Jul 13 2016 - 22:24:31 EST


From: Masami Hiramatsu <mhiramat@xxxxxxxxxx>

Add for_each_probe_cache_entry() wrapper macro for hiding list in
probe_cache.

Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
Cc: Ananth N Mavinakayanahalli <ananth@xxxxxxxxxxxxxxxxxx>
Cc: Brendan Gregg <brendan.d.gregg@xxxxxxxxx>
Cc: Hemant Kumar <hemant@xxxxxxxxxxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Link: 146831790386.17065.15082256697569419710.stgit@devbox">http://lkml.kernel.org/r/146831790386.17065.15082256697569419710.stgit@devbox
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/probe-file.c | 8 ++++----
tools/perf/util/probe-file.h | 2 ++
2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/tools/perf/util/probe-file.c b/tools/perf/util/probe-file.c
index a5059dc3921a..abfb05cf135b 100644
--- a/tools/perf/util/probe-file.c
+++ b/tools/perf/util/probe-file.c
@@ -546,7 +546,7 @@ probe_cache__find(struct probe_cache *pcache, struct perf_probe_event *pev)
if (!cmd)
return NULL;

- list_for_each_entry(entry, &pcache->entries, node) {
+ for_each_probe_cache_entry(entry, pcache) {
if (pev->sdt) {
if (entry->pev.event &&
streql(entry->pev.event, pev->event) &&
@@ -576,7 +576,7 @@ probe_cache__find_by_name(struct probe_cache *pcache,
{
struct probe_cache_entry *entry = NULL;

- list_for_each_entry(entry, &pcache->entries, node) {
+ for_each_probe_cache_entry(entry, pcache) {
/* Hit if same event name or same command-string */
if (streql(entry->pev.group, group) &&
streql(entry->pev.event, event))
@@ -748,7 +748,7 @@ int probe_cache__commit(struct probe_cache *pcache)
if (ret < 0)
goto out;

- list_for_each_entry(entry, &pcache->entries, node) {
+ for_each_probe_cache_entry(entry, pcache) {
ret = probe_cache_entry__write(entry, pcache->fd);
pr_debug("Cache committed: %d\n", ret);
if (ret < 0)
@@ -790,7 +790,7 @@ static int probe_cache__show_entries(struct probe_cache *pcache,
{
struct probe_cache_entry *entry;

- list_for_each_entry(entry, &pcache->entries, node) {
+ for_each_probe_cache_entry(entry, pcache) {
if (probe_cache_entry__compare(entry, filter))
printf("%s\n", entry->spev);
}
diff --git a/tools/perf/util/probe-file.h b/tools/perf/util/probe-file.h
index ddf5ae212c2f..d513b346a70e 100644
--- a/tools/perf/util/probe-file.h
+++ b/tools/perf/util/probe-file.h
@@ -21,6 +21,8 @@ struct probe_cache {

#define PF_FL_UPROBE 1
#define PF_FL_RW 2
+#define for_each_probe_cache_entry(entry, pcache) \
+ list_for_each_entry(entry, &pcache->entries, node)

int probe_file__open(int flag);
int probe_file__open_both(int *kfd, int *ufd, int flag);
--
2.7.4