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-rw-r--r--tools/perf/util/probe-event.c9
-rw-r--r--tools/perf/util/probe-file.c7
-rw-r--r--tools/perf/util/probe-file.h1
3 files changed, 15 insertions, 2 deletions
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 5c86d2cf6338..8f963a193a5d 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -2738,8 +2738,13 @@ static int probe_trace_event__set_name(struct probe_trace_event *tev,
if (tev->event == NULL || tev->group == NULL)
return -ENOMEM;
- /* Add added event name to namelist */
- strlist__add(namelist, event);
+ /*
+ * Add new event name to namelist if multiprobe event is NOT
+ * supported, since we have to use new event name for following
+ * probes in that case.
+ */
+ if (!multiprobe_event_is_supported())
+ strlist__add(namelist, event);
return 0;
}
diff --git a/tools/perf/util/probe-file.c b/tools/perf/util/probe-file.c
index b659466ea498..a63f1a19b0e8 100644
--- a/tools/perf/util/probe-file.c
+++ b/tools/perf/util/probe-file.c
@@ -1007,6 +1007,7 @@ enum ftrace_readme {
FTRACE_README_KRETPROBE_OFFSET,
FTRACE_README_UPROBE_REF_CTR,
FTRACE_README_USER_ACCESS,
+ FTRACE_README_MULTIPROBE_EVENT,
FTRACE_README_END,
};
@@ -1020,6 +1021,7 @@ static struct {
DEFINE_TYPE(FTRACE_README_KRETPROBE_OFFSET, "*place (kretprobe): *"),
DEFINE_TYPE(FTRACE_README_UPROBE_REF_CTR, "*ref_ctr_offset*"),
DEFINE_TYPE(FTRACE_README_USER_ACCESS, "*[u]<offset>*"),
+ DEFINE_TYPE(FTRACE_README_MULTIPROBE_EVENT, "*Create/append/*"),
};
static bool scan_ftrace_readme(enum ftrace_readme type)
@@ -1085,3 +1087,8 @@ bool user_access_is_supported(void)
{
return scan_ftrace_readme(FTRACE_README_USER_ACCESS);
}
+
+bool multiprobe_event_is_supported(void)
+{
+ return scan_ftrace_readme(FTRACE_README_MULTIPROBE_EVENT);
+}
diff --git a/tools/perf/util/probe-file.h b/tools/perf/util/probe-file.h
index 986c1c94f64f..850d1b52d60a 100644
--- a/tools/perf/util/probe-file.h
+++ b/tools/perf/util/probe-file.h
@@ -71,6 +71,7 @@ bool probe_type_is_available(enum probe_type type);
bool kretprobe_offset_is_supported(void);
bool uprobe_ref_ctr_is_supported(void);
bool user_access_is_supported(void);
+bool multiprobe_event_is_supported(void);
#else /* ! HAVE_LIBELF_SUPPORT */
static inline struct probe_cache *probe_cache__new(const char *tgt __maybe_unused, struct nsinfo *nsi __maybe_unused)
{