2 files changed, 24 insertions, 9 deletions
diff --git a/tools/perf/util/usage.c b/tools/perf/util/usage.c
index 52bb07c6442..0a1a885a591 100644
--- a/tools/perf/util/usage.c
+++ b/tools/perf/util/usage.c
@@ -83,7 +83,7 @@ void warning(const char *warn, ...)
 	va_end(params);
 }
 
-uid_t parse_target_uid(const char *str, const char *tid, const char *pid)
+uid_t parse_target_uid(const char *str)
 {
 	struct passwd pwd, *result;
 	char buf[1024];
@@ -91,13 +91,6 @@ uid_t parse_target_uid(const char *str, const char *tid, const char *pid)
 	if (str == NULL)
 		return UINT_MAX;
 
-	/* UID and PID are mutually exclusive */
-	if (tid || pid) {
-		ui__warning("PID/TID switch overriding UID\n");
-		sleep(1);
-		return UINT_MAX;
-	}
-
 	getpwnam_r(str, &pwd, buf, sizeof(buf), &result);
 
 	if (result == NULL) {
@@ -120,3 +113,23 @@ uid_t parse_target_uid(const char *str, const char *tid, const char *pid)
 
 	return result->pw_uid;
 }
+
+void perf_target__validate(struct perf_target *target)
+{
+	if (target->pid)
+		target->tid = target->pid;
+
+	/* CPU and PID are mutually exclusive */
+	if (target->tid && target->cpu_list) {
+		ui__warning("WARNING: PID switch overriding CPU\n");
+		sleep(1);
+		target->cpu_list = NULL;
+	}
+
+	/* UID and PID are mutually exclusive */
+	if (target->tid && target->uid_str) {
+		ui__warning("PID/TID switch overriding UID\n");
+		sleep(1);
+		target->uid_str = NULL;
+	}
+}
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 0f99f394d8e..3f05d6264da 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -246,10 +246,12 @@ unsigned long convert_unit(unsigned long value, char *unit);
 int readn(int fd, void *buf, size_t size);
 
 struct perf_event_attr;
+struct perf_target;
 
 void event_attr_init(struct perf_event_attr *attr);
 
-uid_t parse_target_uid(const char *str, const char *tid, const char *pid);
+uid_t parse_target_uid(const char *str);
+void perf_target__validate(struct perf_target *target);
 
 #define _STR(x) #x
 #define STR(x) _STR(x)