[PATCH v4 04/11] trace: rework loop on trace points

[David Marchand]

Directly skip the block when a trace point does not match the user
criteria.

Signed-off-by: David Marchand <david.marchand at redhat.com>
Acked-by: Jerin Jacob <jerinj at marvell.com>
Acked-by: Sunil Kumar Kori <skori at marvell.com>
---
 lib/eal/common/eal_common_trace.c | 34 +++++++++++++++++--------------
 1 file changed, 19 insertions(+), 15 deletions(-)

diff --git a/lib/eal/common/eal_common_trace.c b/lib/eal/common/eal_common_trace.c
index 1db11e3e14..6b8660c318 100644
--- a/lib/eal/common/eal_common_trace.c
+++ b/lib/eal/common/eal_common_trace.c
@@ -186,15 +186,18 @@ rte_trace_pattern(const char *pattern, bool enable)
 	int rc = 0, found = 0;
 
 	STAILQ_FOREACH(tp, &tp_list, next) {
-		if (fnmatch(pattern, tp->name, 0) == 0) {
-			if (enable)
-				rc = rte_trace_point_enable(tp->handle);
-			else
-				rc = rte_trace_point_disable(tp->handle);
-			found = 1;
+		if (fnmatch(pattern, tp->name, 0) != 0)
+			continue;
+
+		if (enable)
+			rc = rte_trace_point_enable(tp->handle);
+		else
+			rc = rte_trace_point_disable(tp->handle);
+		if (rc < 0) {
+			found = 0;
+			break;
 		}
-		if (rc < 0)
-			return rc;
+		found = 1;
 	}
 
 	return rc | found;
@@ -211,17 +214,18 @@ rte_trace_regexp(const char *regex, bool enable)
 		return -EINVAL;
 
 	STAILQ_FOREACH(tp, &tp_list, next) {
-		if (regexec(&r, tp->name, 0, NULL, 0) == 0) {
-			if (enable)
-				rc = rte_trace_point_enable(tp->handle);
-			else
-				rc = rte_trace_point_disable(tp->handle);
-			found = 1;
-		}
+		if (regexec(&r, tp->name, 0, NULL, 0) != 0)
+			continue;
+
+		if (enable)
+			rc = rte_trace_point_enable(tp->handle);
+		else
+			rc = rte_trace_point_disable(tp->handle);
 		if (rc < 0) {
 			found = 0;
 			break;
 		}
+		found = 1;
 	}
 	regfree(&r);
 
-- 
2.37.3