chore: correct vm ui link and include in json benchmark result (#3234)

Author: chatton

test/e2e/benchmark/result.go

@@ -24,6 +24,9 @@ type traceResult struct {
 	// resource attributes extracted from trace spans (OTEL_RESOURCE_ATTRIBUTES).
 	evNodeAttrs *resourceAttrs
 	evRethAttrs *resourceAttrs
+
+	// tracesURL is a link to the trace UI for the ev-node service.
+	tracesURL string
 }
 
 // displayFlowcharts renders ASCII flowcharts from rich spans. Falls back to

test/e2e/benchmark/run_result.go

@@ -27,6 +27,7 @@ type runResult struct {
 	Metrics           runMetrics        `json:"metrics"`
 	BlockRange        runBlockRange     `json:"block_range"`
 	Spamoor           *runSpamoorStats  `json:"spamoor,omitempty"`
+	TracesURL         string            `json:"traces_url,omitempty"`
 	FieldDescriptions map[string]string `json:"field_descriptions"`
 }
 
@@ -195,6 +196,7 @@ func buildRunResult(cfg benchConfig, br *benchmarkResult, wallClock time.Duratio
 			NonEmpty: br.bm.BlockCount,
 		},
 		Spamoor:           spamoor,
+		TracesURL:         br.traces.tracesURL,
 		FieldDescriptions: fieldDescriptions(),
 	}
 }
@@ -306,5 +308,7 @@ func fieldDescriptions() map[string]string {
 
 		"spamoor.sent":   "total txs successfully sent by spamoor",
 		"spamoor.failed": "total txs that failed",
+
+		"traces_url": "VMUI link to view ev-node traces for this benchmark run",
 	}
 }

test/e2e/benchmark/suite_test.go

@@ -230,8 +230,9 @@ func (s *SpamoorSuite) collectTraces(e *env) *traceResult {
 		evReth: e.traces.tryCollectSpans(ctx, e.evRethServiceName),
 	}
 
-	if link := e.traces.uiURL(e.evNodeServiceName); link != "" {
+	if link := e.traces.uiURL(e.evNodeServiceName, time.Now()); link != "" {
 		t.Logf("traces UI: %s", link)
+		tr.tracesURL = link
 	}
 
 	if rc, ok := e.traces.(richSpanCollector); ok {

test/e2e/benchmark/traces.go

@@ -35,7 +35,7 @@ type traceProvider interface {
 	collectSpans(ctx context.Context, serviceName string) ([]e2e.TraceSpan, error)
 	tryCollectSpans(ctx context.Context, serviceName string) []e2e.TraceSpan
 	// uiURL returns a link to view traces for the given service, or empty string if not available.
-	uiURL(serviceName string) string
+	uiURL(serviceName string, end time.Time) string
 	// resetStartTime sets the trace collection window start to now.
 	resetStartTime()
 }
@@ -64,13 +64,15 @@ func (v *victoriaTraceProvider) resetStartTime() {
 	v.startTime = time.Now()
 }
 
-func (v *victoriaTraceProvider) uiURL(serviceName string) string {
+func (v *victoriaTraceProvider) uiURL(serviceName string, end time.Time) string {
 	query := fmt.Sprintf(`_stream:{resource_attr:service.name="%s"}`, serviceName)
-	return fmt.Sprintf("%s/select/vmui/#/query?query=%s&start=%s&end=%s",
+	rangeInput := end.Sub(v.startTime).Round(time.Second).String()
+	endInput := end.UTC().Format("2006-01-02T15:04:05")
+	return fmt.Sprintf("%s/select/vmui/?#/?g0.expr=%s&g0.range_input=%s&g0.end_input=%s",
 		strings.TrimRight(v.queryURL, "/"),
 		neturl.QueryEscape(query),
-		v.startTime.Format(time.RFC3339),
-		time.Now().Format(time.RFC3339))
+		rangeInput,
+		endInput)
 }
 
 func (v *victoriaTraceProvider) collectSpans(ctx context.Context, serviceName string) ([]e2e.TraceSpan, error) {