perf: RestPerf collectors should only run PollInstance for workloads

Fixes: #2421

cmd/collectors/restperf/restperf.go

@@ -687,11 +687,6 @@ func (r *RestPerf) PollData() (map[string]*matrix.Matrix, error) {
 		startTime   time.Time
 	)
 
-	mat := r.Matrix[r.Object]
-	if len(mat.GetInstances()) == 0 {
-		return nil, errs.New(errs.ErrNoInstance, "no "+r.Object+" instances fetched in PollInstance")
-	}
-
 	timestamp := r.Matrix[r.Object].GetMetric(timestampMetricName)
 	if timestamp == nil {
 		return nil, errs.New(errs.ErrConfig, "missing timestamp metric")
@@ -703,7 +698,7 @@ func (r *RestPerf) PollData() (map[string]*matrix.Matrix, error) {
 	dataQuery := path.Join(r.Prop.Query, "rows")
 
 	var filter []string
-	// Sort filters so that the href is deterministic
+	// Sort metrics so that the href is deterministic
 	metrics := slices.Sorted(maps.Keys(r.Prop.Metrics))
 
 	filter = append(filter, "counters.name="+strings.Join(metrics, "|"))
@@ -870,10 +865,14 @@ func (r *RestPerf) pollData(startTime time.Time, perfRecords []rest.PerfRecord)
 
 			instance = curMat.GetInstance(instanceKey)
 			if instance == nil {
-				if !isWorkloadObject(r.Prop.Query) && !isWorkloadDetailObject(r.Prop.Query) {
-					r.Logger.Warn("Skip instanceKey, not found in cache", slog.String("instanceKey", instanceKey))
+				if isWorkloadObject(r.Prop.Query) || isWorkloadDetailObject(r.Prop.Query) {
+					return true
+				}
+				instance, err = curMat.NewInstance(instanceKey)
+				if err != nil {
+					r.Logger.Error("add instance", slogx.Err(err), slog.String("instanceKey", instanceKey))
+					return true
 				}
-				return true
 			}
 
 			// check for partial aggregation
@@ -1252,7 +1251,7 @@ func (r *RestPerf) pollData(startTime time.Time, perfRecords []rest.PerfRecord)
 			}
 			continue
 		}
-		// If we reach here then one of the earlier clauses should have executed `continue` statement
+		// If we reach here, then one of the earlier clauses should have executed `continue` statement
 		r.Logger.Error(
 			"Unknown property",
 			slog.String("key", key),

conf/restperf/9.12.0/workload.yaml

@@ -8,6 +8,7 @@ object:                   qos
 client_timeout:           1m30s
 
 schedule:
+  - instance: 10m
   - data:      3m
 
 counters:

conf/restperf/9.12.0/workload_detail.yaml

@@ -9,6 +9,7 @@ object:                   qos_detail
 client_timeout:           1m30s
 
 schedule:
+  - instance: 10m
   - data:      3m
 
 counters:

conf/restperf/9.12.0/workload_detail_volume.yaml

@@ -8,6 +8,7 @@ object:                   qos_detail
 client_timeout:           1m30s
 
 schedule:
+  - instance: 10m
   - data:      3m
 
 counters:

conf/restperf/9.12.0/workload_volume.yaml

@@ -10,6 +10,7 @@ object:                   qos
 client_timeout:           1m30s
 
 schedule:
+  - instance: 10m
   - data:      3m
 
 counters:

conf/restperf/default.yaml

@@ -4,7 +4,6 @@ collector:          RestPerf
 # Order here matters!
 schedule:
   - counter:  24h
-  - instance: 10m
   - data:      1m
 
 objects: