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Print elapsed time for image unpack

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The provides additional insight into how much time is being spent in
unpacking and is helpful in performance comparison for just this stage
without resorting to running under time command in linux for example.

Signed-off-by: Alakesh Haloi <alakeshh@amazon.com>
This commit is contained in:
Alakesh Haloi 2021-03-02 22:51:32 +00:00
parent a5d17eb507
commit 9f5244f410
1 changed files with 3 additions and 2 deletions
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5
cmd/ctr/commands/images/pull.go
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@ -19,6 +19,7 @@ package images
import ( import (
"fmt" "fmt"
"net/http/httptrace" "net/http/httptrace"
"time"
"github.com/containerd/containerd" "github.com/containerd/containerd"
"github.com/containerd/containerd/cmd/ctr/commands" "github.com/containerd/containerd/cmd/ctr/commands"
@ -124,6 +125,7 @@ command. As part of this process, we do the following:
p = append(p, platforms.DefaultSpec()) p = append(p, platforms.DefaultSpec())
} }
start := time.Now()
for _, platform := range p { for _, platform := range p {
fmt.Printf("unpacking %s %s...\n", platforms.Format(platform), img.Target.Digest) fmt.Printf("unpacking %s %s...\n", platforms.Format(platform), img.Target.Digest)
i := containerd.NewImageWithPlatform(client, img, platforms.Only(platform)) i := containerd.NewImageWithPlatform(client, img, platforms.Only(platform))
@ -140,8 +142,7 @@ command. As part of this process, we do the following:
fmt.Printf("image chain ID: %s\n", chainID) fmt.Printf("image chain ID: %s\n", chainID)
} }
} }
fmt.Printf("done: %s\t\n", time.Since(start))
fmt.Println("done")
return nil return nil
}, },
} }