Merge pull request #6111 from crosbymichael/latency-metrics

[cri] add sandbox and container latency metrics

pkg/cri/server/sandbox_run.go

@@ -22,6 +22,7 @@ import (
 	"path/filepath"
 	goruntime "runtime"
 	"strings"
+	"time"
 
 	"github.com/containerd/containerd"
 	containerdio "github.com/containerd/containerd/cio"
@@ -123,6 +124,7 @@ func (c *criService) RunPodSandbox(ctx context.Context, r *runtime.RunPodSandbox
 	}
 
 	if podNetwork {
+		netStart := time.Now()
 		// If it is not in host network namespace then create a namespace and set the sandbox
 		// handle. NetNSPath in sandbox metadata and NetNS is non empty only for non host network
 		// namespaces. If the pod is in host network namespace then both are empty and should not
@@ -163,8 +165,10 @@ func (c *criService) RunPodSandbox(ctx context.Context, r *runtime.RunPodSandbox
 		if err := c.setupPodNetwork(ctx, &sandbox); err != nil {
 			return nil, errors.Wrapf(err, "failed to setup network for sandbox %q", id)
 		}
+		sandboxCreateNetworkTimer.UpdateSince(netStart)
 	}
 
+	runtimeStart := time.Now()
 	// Create sandbox container.
 	// NOTE: sandboxContainerSpec SHOULD NOT have side
 	// effect, e.g. accessing/creating files, so that we can test
@@ -348,6 +352,8 @@ func (c *criService) RunPodSandbox(ctx context.Context, r *runtime.RunPodSandbox
 	// but we don't care about sandbox TaskOOM right now, so it is fine.
 	c.eventMonitor.startSandboxExitMonitor(context.Background(), id, task.Pid(), exitCh)
 
+	sandboxRuntimeCreateTimer.WithValues(ociRuntime.Type).UpdateSince(runtimeStart)
+
 	return &runtime.RunPodSandboxResponse{PodSandboxId: id}, nil
 }