fixup: use proper group-based uri

Author: not-matthias

testing/testing/benchmark.go

@@ -799,8 +799,29 @@ func (s *benchState) processBench(b *B) {
 				CodspeedTimePerRoundNs []time.Duration `json:"codspeed_time_per_round_ns"`
 				CodspeedItersPerRound  []int64         `json:"codspeed_iters_per_round"`
 			}
+
+			// Build custom bench name with :: separator
+			var nameParts []string
+			current := &b.common
+			for current.parent != nil {
+				// Extract the sub-benchmark part by removing parent prefix
+				parentName := current.parent.name
+				if strings.HasPrefix(current.name, parentName+"/") {
+					subName := strings.TrimPrefix(current.name, parentName+"/")
+					nameParts = append([]string{subName}, nameParts...)
+				} else {
+					nameParts = append([]string{current.name}, nameParts...)
+				}
+
+				if current.parent.name == "Main" {
+					break
+				}
+				current = current.parent
+			}
+			customBenchName := strings.Join(nameParts, "::")
+
 			rawResults := RawResults{
-				BenchmarkName:          b.name,
+				BenchmarkName:          customBenchName,
 				Pid:                    os.Getpid(),
 				CodspeedTimePerRoundNs: r.CodspeedTimePerRoundNs,
 				CodspeedItersPerRound:  r.CodspeedItersPerRound,