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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-10-20 00:10:27 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-10-20 00:10:27 -0300
commitd0b2f91bede3bd5e3d24dd6803e56eee959c1797 (patch)
tree7fee4ab0509879c373c4f2cbd5b8a5be5b4041ee /tools/perf/builtin-probe.c
parente914f8eb445e8f74b00303c19c2ffceaedd16a05 (diff)
Linux-libre 4.8.2-gnupck-4.8.2-gnu
Diffstat (limited to 'tools/perf/builtin-probe.c')
-rw-r--r--tools/perf/builtin-probe.c38
1 files changed, 34 insertions, 4 deletions
diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
index 9af859b28..ee5b42173 100644
--- a/tools/perf/builtin-probe.c
+++ b/tools/perf/builtin-probe.c
@@ -44,7 +44,7 @@
#define DEFAULT_VAR_FILTER "!__k???tab_* & !__crc_*"
#define DEFAULT_FUNC_FILTER "!_*"
-#define DEFAULT_LIST_FILTER "*:*"
+#define DEFAULT_LIST_FILTER "*"
/* Session management structure */
static struct {
@@ -308,7 +308,7 @@ static void pr_err_with_code(const char *msg, int err)
pr_err("%s", msg);
pr_debug(" Reason: %s (Code: %d)",
- strerror_r(-err, sbuf, sizeof(sbuf)), err);
+ str_error_r(-err, sbuf, sizeof(sbuf)), err);
pr_err("\n");
}
@@ -363,6 +363,32 @@ out_cleanup:
return ret;
}
+static int del_perf_probe_caches(struct strfilter *filter)
+{
+ struct probe_cache *cache;
+ struct strlist *bidlist;
+ struct str_node *nd;
+ int ret;
+
+ bidlist = build_id_cache__list_all(false);
+ if (!bidlist) {
+ ret = -errno;
+ pr_debug("Failed to get buildids: %d\n", ret);
+ return ret ?: -ENOMEM;
+ }
+
+ strlist__for_each_entry(nd, bidlist) {
+ cache = probe_cache__new(nd->s);
+ if (!cache)
+ continue;
+ if (probe_cache__filter_purge(cache, filter) < 0 ||
+ probe_cache__commit(cache) < 0)
+ pr_warning("Failed to remove entries for %s\n", nd->s);
+ probe_cache__delete(cache);
+ }
+ return 0;
+}
+
static int perf_del_probe_events(struct strfilter *filter)
{
int ret, ret2, ufd = -1, kfd = -1;
@@ -375,6 +401,9 @@ static int perf_del_probe_events(struct strfilter *filter)
pr_debug("Delete filter: \'%s\'\n", str);
+ if (probe_conf.cache)
+ return del_perf_probe_caches(filter);
+
/* Get current event names */
ret = probe_file__open_both(&kfd, &ufd, PF_FL_RW);
if (ret < 0)
@@ -389,7 +418,7 @@ static int perf_del_probe_events(struct strfilter *filter)
ret = probe_file__get_events(kfd, filter, klist);
if (ret == 0) {
- strlist__for_each(ent, klist)
+ strlist__for_each_entry(ent, klist)
pr_info("Removed event: %s\n", ent->s);
ret = probe_file__del_strlist(kfd, klist);
@@ -399,7 +428,7 @@ static int perf_del_probe_events(struct strfilter *filter)
ret2 = probe_file__get_events(ufd, filter, ulist);
if (ret2 == 0) {
- strlist__for_each(ent, ulist)
+ strlist__for_each_entry(ent, ulist)
pr_info("Removed event: %s\n", ent->s);
ret2 = probe_file__del_strlist(ufd, ulist);
@@ -512,6 +541,7 @@ __cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused)
"Enable symbol demangling"),
OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
"Enable kernel symbol demangling"),
+ OPT_BOOLEAN(0, "cache", &probe_conf.cache, "Manipulate probe cache"),
OPT_END()
};
int ret;