Merge pull request #15661 from coolljt0725/fix_docker_stats_show_read_blkio
Fix docker stats show blkio when there are multiple block device
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commit
44465098cb
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@ -211,9 +211,9 @@ func calculateBlockIO(blkio types.BlkioStats) (blkRead uint64, blkWrite uint64)
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for _, bioEntry := range blkio.IoServiceBytesRecursive {
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switch strings.ToLower(bioEntry.Op) {
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case "read":
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blkRead = bioEntry.Value
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blkRead = blkRead + bioEntry.Value
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case "write":
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blkWrite = bioEntry.Value
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blkWrite = blkWrite + bioEntry.Value
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}
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}
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return
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@ -4,6 +4,8 @@ import (
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"bytes"
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"sync"
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"testing"
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"github.com/docker/docker/api/types"
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)
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func TestDisplay(t *testing.T) {
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@ -29,3 +31,16 @@ func TestDisplay(t *testing.T) {
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t.Fatalf("c.Display() = %q, want %q", got, want)
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}
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}
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func TestCalculBlockIO(t *testing.T) {
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blkio := types.BlkioStats{
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IoServiceBytesRecursive: []types.BlkioStatEntry{{8, 0, "read", 1234}, {8, 1, "read", 4567}, {8, 0, "write", 123}, {8, 1, "write", 456}},
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}
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blkRead, blkWrite := calculateBlockIO(blkio)
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if blkRead != 5801 {
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t.Fatalf("blkRead = %d, want 5801", blkRead)
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}
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if blkWrite != 579 {
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t.Fatalf("blkWrite = %d, want 579", blkWrite)
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}
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}
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