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restic stats: add more compression statistics

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Calculate and display compression ratio, space saving and progress
This commit is contained in:
plumbeo 2022-10-11 14:36:12 +02:00
parent d66e755ac7
commit bc945d0bf0
1 changed files with 34 additions and 10 deletions
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44
cmd/restic/cmd_stats.go
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@ -138,9 +138,20 @@ func runStats(gopts GlobalOptions, args []string) error {
stats.TotalSize += uint64(pbs[0].Length)
if repo.Config().Version >= 2 {
stats.TotalUncompressedSize += uint64(crypto.CiphertextLength(int(pbs[0].DataLength())))
if pbs[0].IsCompressed() {
stats.TotalCompressedBlobsSize += uint64(pbs[0].Length)
stats.TotalCompressedBlobsUncompressedSize += uint64(crypto.CiphertextLength(int(pbs[0].DataLength())))
}
}
stats.TotalBlobCount++
}
if stats.TotalCompressedBlobsSize > 0 {
stats.CompressionRatio = float64(stats.TotalCompressedBlobsUncompressedSize) / float64(stats.TotalCompressedBlobsSize)
}
if stats.TotalUncompressedSize > 0 {
stats.CompressionProgress = float64(stats.TotalCompressedBlobsUncompressedSize) / float64(stats.TotalUncompressedSize) * 100
stats.CompressionSpaceSaving = (1 - float64(stats.TotalSize)/float64(stats.TotalUncompressedSize)) * 100
}
}
if gopts.JSON {
@ -152,18 +163,26 @@ func runStats(gopts GlobalOptions, args []string) error {
}
Printf("Stats in %s mode:\n", statsOptions.countMode)
Printf(" Snapshots processed: %d\n", stats.SnapshotsCount)
Printf(" Snapshots processed: %d\n", stats.SnapshotsCount)
if stats.TotalBlobCount > 0 {
Printf(" Total Blob Count: %d\n", stats.TotalBlobCount)
Printf(" Total Blob Count: %d\n", stats.TotalBlobCount)
}
if stats.TotalFileCount > 0 {
Printf(" Total File Count: %d\n", stats.TotalFileCount)
Printf(" Total File Count: %d\n", stats.TotalFileCount)
}
if stats.TotalUncompressedSize > 0 {
Printf("Total Uncompressed Size: %-5s\n", formatBytes(stats.TotalUncompressedSize))
Printf(" Total Uncompressed Size: %-5s\n", formatBytes(stats.TotalUncompressedSize))
}
Printf(" Total Size: %-5s\n", formatBytes(stats.TotalSize))
if stats.CompressionProgress > 0 {
Printf(" Compression Progress: %.2f%%\n", stats.CompressionProgress)
}
if stats.CompressionRatio > 0 {
Printf(" Compression Ratio: %.2fx\n", stats.CompressionRatio)
}
if stats.CompressionSpaceSaving > 0 {
Printf("Compression Space Saving: %.2f%%\n", stats.CompressionSpaceSaving)
}
Printf(" Total Size: %-5s\n", formatBytes(stats.TotalSize))
return nil
}
@ -289,10 +308,15 @@ func verifyStatsInput(gopts GlobalOptions, args []string) error {
// to collect information about it, as well as state needed
// for a successful and efficient walk.
type statsContainer struct {
TotalSize uint64 `json:"total_size"`
TotalUncompressedSize uint64 `json:"total_uncompressed_size,omitempty"`
TotalFileCount uint64 `json:"total_file_count"`
TotalBlobCount uint64 `json:"total_blob_count,omitempty"`
TotalSize uint64 `json:"total_size"`
TotalUncompressedSize uint64 `json:"total_uncompressed_size,omitempty"`
TotalCompressedBlobsSize uint64 `json:"-"`
TotalCompressedBlobsUncompressedSize uint64 `json:"-"`
CompressionRatio float64 `json:"compression_ratio,omitempty"`
CompressionProgress float64 `json:"compression_progress,omitempty"`
CompressionSpaceSaving float64 `json:"compression_space_saving,omitempty"`
TotalFileCount uint64 `json:"total_file_count,omitempty"`
TotalBlobCount uint64 `json:"total_blob_count,omitempty"`
// holds count of all considered snapshots
SnapshotsCount int `json:"snapshots_count"`