[PATCH v4 1/7] perf/sdt: Introduce util func is_sdt_event()

[Ravi Bangoria]

Factor out the SDT event name checking routine as is_sdt_event().

Signed-off-by: Ravi Bangoria <ravi.bango...@linux.vnet.ibm.com>
---
 tools/perf/util/parse-events.h | 12 ++++++++++++
 tools/perf/util/probe-event.c  |  9 +--------
 2 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index 1af6a26..c6172cd 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -8,6 +8,7 @@
 #include <stdbool.h>
 #include <linux/types.h>
 #include <linux/perf_event.h>
+#include <string.h>
 
 struct list_head;
 struct perf_evsel;
@@ -196,4 +197,15 @@ int is_valid_tracepoint(const char *event_string);
 int valid_event_mount(const char *eventfs);
 char *parse_events_formats_error_string(char *additional_terms);
 
+/*
+ * If the probe point starts with '%',
+ * or starts with "sdt_" and has a ':' but no '=',
+ * then it should be a SDT/cached probe point.
+ */
+static inline bool is_sdt_event(char *str)
+{
+       return (str[0] == '%' ||
+               (!strncmp(str, "sdt_", 4) &&
+                !!strchr(str, ':') && !strchr(str, '=')));
+}
 #endif /* __PERF_PARSE_EVENTS_H */
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 28fb62c..2b1409f 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -1339,14 +1339,7 @@ static int parse_perf_probe_point(char *arg, struct 
perf_probe_event *pev)
        if (!arg)
                return -EINVAL;
 
-       /*
-        * If the probe point starts with '%',
-        * or starts with "sdt_" and has a ':' but no '=',
-        * then it should be a SDT/cached probe point.
-        */
-       if (arg[0] == '%' ||
-           (!strncmp(arg, "sdt_", 4) &&
-            !!strchr(arg, ':') && !strchr(arg, '='))) {
+       if (is_sdt_event(arg)) {
                pev->sdt = true;
                if (arg[0] == '%')
                        arg++;
-- 
2.9.3