| 43 | } |
| 44 | |
| 45 | func TestFSBcachefsStats(t *testing.T) { |
| 46 | uuid := "deadbeef-1234-5678-9012-abcdefabcdef" |
| 47 | fs, err := NewFS("testdata/fixtures/sys") |
| 48 | if err != nil { |
| 49 | t.Fatalf("NewFS error: %v", err) |
| 50 | } |
| 51 | stats, err := fs.Stats() |
| 52 | if err != nil { |
| 53 | t.Fatalf("Stats error: %v", err) |
| 54 | } |
| 55 | if len(stats) != 1 { |
| 56 | t.Fatalf("expected 1 filesystem, got %d", len(stats)) |
| 57 | } |
| 58 | |
| 59 | got := stats[0] |
| 60 | if got.UUID != uuid { |
| 61 | t.Fatalf("unexpected uuid: %q", got.UUID) |
| 62 | } |
| 63 | if got.BtreeCacheSizeBytes != 1610612736 { |
| 64 | t.Fatalf("unexpected btree cache size: %d", got.BtreeCacheSizeBytes) |
| 65 | } |
| 66 | if got.Compression["lz4"].CompressedBytes == 0 { |
| 67 | t.Fatalf("missing compression stats for lz4") |
| 68 | } |
| 69 | if got.Errors["btree_node_read_err"].Count != 5 { |
| 70 | t.Fatalf("unexpected error count: %d", got.Errors["btree_node_read_err"].Count) |
| 71 | } |
| 72 | if got.Counters["btree_node_read"].SinceFilesystemCreation != 67890 { |
| 73 | t.Fatalf("unexpected counter value: %d", got.Counters["btree_node_read"].SinceFilesystemCreation) |
| 74 | } |
| 75 | if got.BtreeWrites["initial"].Count != 19088 { |
| 76 | t.Fatalf("unexpected btree write count: %d", got.BtreeWrites["initial"].Count) |
| 77 | } |
| 78 | dev := got.Devices["1"] |
| 79 | if dev == nil { |
| 80 | t.Fatalf("missing device stats") |
| 81 | } |
| 82 | if dev.Buckets != 4096 { |
| 83 | t.Fatalf("unexpected nbuckets: %d", dev.Buckets) |
| 84 | } |
| 85 | if dev.IOErrors["read"] != 197346 { |
| 86 | t.Fatalf("unexpected io_errors read: %d", dev.IOErrors["read"]) |
| 87 | } |
| 88 | if dev.IODone["read"]["btree"] != 4411097088 { |
| 89 | t.Fatalf("unexpected io_done read btree: %d", dev.IODone["read"]["btree"]) |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | func TestParseCounterFileHumanReadable(t *testing.T) { |
| 94 | dir := t.TempDir() |