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Merge pull request #1502 from filecoin-project/feat/import-bench
add a command to lotus-bench to benchmark importing and validating
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,140 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "fmt" | ||
| "io/ioutil" | ||
| "os" | ||
| "runtime/pprof" | ||
| "time" | ||
|
|
||
| "github.com/filecoin-project/lotus/api" | ||
| "github.com/filecoin-project/lotus/chain/stmgr" | ||
| "github.com/filecoin-project/lotus/chain/store" | ||
| "github.com/filecoin-project/lotus/chain/types" | ||
| "github.com/filecoin-project/lotus/chain/vm" | ||
| "github.com/filecoin-project/sector-storage/ffiwrapper" | ||
| "github.com/filecoin-project/specs-actors/actors/abi" | ||
| "golang.org/x/xerrors" | ||
|
|
||
| "github.com/ipfs/go-datastore" | ||
| badger "github.com/ipfs/go-ds-badger2" | ||
| blockstore "github.com/ipfs/go-ipfs-blockstore" | ||
| "gopkg.in/urfave/cli.v2" | ||
| ) | ||
|
|
||
| type TipSetExec struct { | ||
| TipSet types.TipSetKey | ||
| Trace []*api.InvocResult | ||
| Duration time.Duration | ||
| } | ||
|
|
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| var importBenchCmd = &cli.Command{ | ||
| Name: "import", | ||
| Usage: "benchmark chain import and validation", | ||
| Flags: []cli.Flag{ | ||
| &cli.Int64Flag{ | ||
| Name: "height", | ||
| Usage: "halt validation after given height", | ||
| }, | ||
| }, | ||
| Action: func(cctx *cli.Context) error { | ||
| if !cctx.Args().Present() { | ||
| fmt.Println("must pass car file of chain to benchmark importing") | ||
| return nil | ||
| } | ||
|
|
||
| cfi, err := os.Open(cctx.Args().First()) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer cfi.Close() | ||
|
|
||
| tdir, err := ioutil.TempDir("", "lotus-import-bench") | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| bds, err := badger.NewDatastore(tdir, nil) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| bs := blockstore.NewBlockstore(bds) | ||
| ds := datastore.NewMapDatastore() | ||
| cs := store.NewChainStore(bs, ds, vm.Syscalls(ffiwrapper.ProofVerifier)) | ||
| stm := stmgr.NewStateManager(cs) | ||
|
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| prof, err := os.Create("import-bench.prof") | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer prof.Close() | ||
|
|
||
| if err := pprof.StartCPUProfile(prof); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| head, err := cs.Import(cfi) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| if h := cctx.Int64("height"); h != 0 { | ||
| tsh, err := cs.GetTipsetByHeight(context.TODO(), abi.ChainEpoch(h), head) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| head = tsh | ||
| } | ||
|
|
||
| ts := head | ||
| tschain := []*types.TipSet{ts} | ||
| for ts.Height() != 0 { | ||
| next, err := cs.LoadTipSet(ts.Parents()) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| tschain = append(tschain, next) | ||
| ts = next | ||
| } | ||
|
|
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| out := make([]TipSetExec, 0, len(tschain)) | ||
|
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| lastState := tschain[len(tschain)-1].ParentState() | ||
| for i := len(tschain) - 2; i >= 0; i-- { | ||
| cur := tschain[i] | ||
| log.Infof("computing state (height: %d, ts=%s)", cur.Height(), cur.Cids()) | ||
| if cur.ParentState() != lastState { | ||
| return xerrors.Errorf("tipset chain had state mismatch at height %d", cur.Height()) | ||
| } | ||
| start := time.Now() | ||
| st, trace, err := stm.ExecutionTrace(context.TODO(), cur) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| out = append(out, TipSetExec{ | ||
| TipSet: cur.Key(), | ||
| Trace: trace, | ||
| Duration: time.Since(start), | ||
| }) | ||
| lastState = st | ||
| } | ||
|
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||
| pprof.StopCPUProfile() | ||
|
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| ibj, err := os.Create("import-bench.json") | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer ibj.Close() | ||
|
|
||
| if err := json.NewEncoder(ibj).Encode(out); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
|
|
||
| }, | ||
| } |
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