trace: Add storage & OS tracing (#11889)

cmd/osmetric_string.go

@@ -0,0 +1,32 @@
+// Code generated by "stringer -type=osMetric -trimprefix=osMetric os-instrumented.go"; DO NOT EDIT.
+
+package cmd
+
+import "strconv"
+
+func _() {
+	// An "invalid array index" compiler error signifies that the constant values have changed.
+	// Re-run the stringer command to generate them again.
+	var x [1]struct{}
+	_ = x[osMetricRemoveAll-0]
+	_ = x[osMetricMkdirAll-1]
+	_ = x[osMetricRename-2]
+	_ = x[osMetricOpenFile-3]
+	_ = x[osMetricOpen-4]
+	_ = x[osMetricOpenFileDirectIO-5]
+	_ = x[osMetricLstat-6]
+	_ = x[osMetricRemove-7]
+	_ = x[osMetricStat-8]
+	_ = x[osMetricLast-9]
+}
+
+const _osMetric_name = "RemoveAllMkdirAllRenameOpenFileOpenOpenFileDirectIOLstatRemoveStatLast"
+
+var _osMetric_index = [...]uint8{0, 9, 17, 23, 31, 35, 51, 56, 62, 66, 70}
+
+func (i osMetric) String() string {
+	if i >= osMetric(len(_osMetric_index)-1) {
+		return "osMetric(" + strconv.FormatInt(int64(i), 10) + ")"
+	}
+	return _osMetric_name[_osMetric_index[i]:_osMetric_index[i+1]]
+}