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Subject[tip:perf/core] perf probe-cache: Add for_each_probe_cache_entry() wrapper
Commit-ID:  05bf2c8a2a819132b4a8f35d4315ff22e8e84a20
Gitweb: http://git.kernel.org/tip/05bf2c8a2a819132b4a8f35d4315ff22e8e84a20
Author: Masami Hiramatsu <mhiramat@kernel.org>
AuthorDate: Tue, 12 Jul 2016 19:05:04 +0900
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Wed, 13 Jul 2016 23:09:06 -0300

perf probe-cache: Add for_each_probe_cache_entry() wrapper

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

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Hemant Kumar <hemant@linux.vnet.ibm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/146831790386.17065.15082256697569419710.stgit@devbox
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
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 a5059dc..abfb05c 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 ddf5ae2..d513b34 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);
\
 
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