timecraft: add trace command

describe.go

@@ -12,7 +12,6 @@ import (
  "time"
 
  pprof "github.com/google/pprof/profile"
- "github.com/google/uuid"
  "github.com/stealthrocket/timecraft/format"
  "github.com/stealthrocket/timecraft/internal/print/human"
  "github.com/stealthrocket/timecraft/internal/print/jsonprint"
@@ -366,9 +365,9 @@ func descriptorAndData(desc *format.Descriptor, data any) any {
 }
 
 func lookupProcessByLogID(ctx context.Context, reg *timemachine.Registry, id string) (format.UUID, *format.Descriptor, *format.Process, error) {
- processID, err := uuid.Parse(id)
+ processID, err := parseProcessID(id)
  if err != nil {
- return processID, nil, nil, errors.New(`malformed process id (not a UUID)`)
+ return processID, nil, nil, err
  }
  manifest, err := reg.LookupLogManifest(ctx, processID)
  if err != nil {

export.go

@@ -6,7 +6,6 @@ import (
  "io"
  "os"
 
- "github.com/google/uuid"
  "github.com/stealthrocket/timecraft/format"
 )
 
@@ -61,9 +60,9 @@ func export(ctx context.Context, args []string) error {
 
  var hash format.Hash
  if resource.typ == "process" {
- processID, err := uuid.Parse(args[1])
+ processID, err := parseProcessID(args[1])
  if err != nil {
- return errors.New(`malformed process id (not a UUID)`)
+ return err
  }
  manifest, err := registry.LookupLogManifest(ctx, processID)
  if err != nil {

go.mod

@@ -8,7 +8,7 @@ require (
  github.com/google/pprof v0.0.0-20230510103437-eeec1cb781c3
  github.com/google/uuid v1.3.0
  github.com/klauspost/compress v1.16.5
- github.com/stealthrocket/wasi-go v0.3.1
+ github.com/stealthrocket/wasi-go v0.3.2
  github.com/stealthrocket/wazergo v0.19.0
  github.com/stealthrocket/wzprof v0.1.5
  github.com/tetratelabs/wazero v1.1.1-0.20230522055633-256b7a4bf970

go.sum

@@ -14,6 +14,14 @@ github.com/stealthrocket/wasi-go v0.3.1-0.20230603195135-80f8c0d13ce3 h1:rBxTTdW
 github.com/stealthrocket/wasi-go v0.3.1-0.20230603195135-80f8c0d13ce3/go.mod h1:LBhZHvAroNNQTejkVTMJZ01ssj3jXF+3Lkbru4cTzGQ=
 github.com/stealthrocket/wasi-go v0.3.1 h1:S5fy66QFbYdhBA/sK8g0Vdm38n56PCsq/0bV76HFbZM=
 github.com/stealthrocket/wasi-go v0.3.1/go.mod h1:LBhZHvAroNNQTejkVTMJZ01ssj3jXF+3Lkbru4cTzGQ=
+github.com/stealthrocket/wasi-go v0.3.2-0.20230604180758-b724aaba60ad h1:5v+GFNFvzaMuYklGhqu5kl1Cj7hkR3Ia9G0WrmEWcD8=
+github.com/stealthrocket/wasi-go v0.3.2-0.20230604180758-b724aaba60ad/go.mod h1:LBhZHvAroNNQTejkVTMJZ01ssj3jXF+3Lkbru4cTzGQ=
+github.com/stealthrocket/wasi-go v0.3.2-0.20230604190248-9463acc8381d h1:MSwJU5X7hpy64tJezvNs57qVOH3yjCMbv6Xlg1jqPaE=
+github.com/stealthrocket/wasi-go v0.3.2-0.20230604190248-9463acc8381d/go.mod h1:LBhZHvAroNNQTejkVTMJZ01ssj3jXF+3Lkbru4cTzGQ=
+github.com/stealthrocket/wasi-go v0.3.2-0.20230605001215-37616feebb15 h1:kMeRG7sDa39KtH3z0wuVz0djquExJoc+uIVNtec2GQA=
+github.com/stealthrocket/wasi-go v0.3.2-0.20230605001215-37616feebb15/go.mod h1:LBhZHvAroNNQTejkVTMJZ01ssj3jXF+3Lkbru4cTzGQ=
+github.com/stealthrocket/wasi-go v0.3.2 h1:69jmfwmWPGgL6U5aSFrSIKq9ea3WuqFfHuq9bizx0ZE=
+github.com/stealthrocket/wasi-go v0.3.2/go.mod h1:LBhZHvAroNNQTejkVTMJZ01ssj3jXF+3Lkbru4cTzGQ=
 github.com/stealthrocket/wazergo v0.19.0 h1:0ZBya2fBURvV+I2hGl0vcuQ8dgoUvllxQ7aYlZSA5nI=
 github.com/stealthrocket/wazergo v0.19.0/go.mod h1:riI0hxw4ndZA5e6z7PesHg2BtTftcZaMxRcoiGGipTs=
 github.com/stealthrocket/wzprof v0.1.5 h1:abEwQF9KtqV7UQ0hWk7431vul9/FxOg1eRCqwEKo9/4=

help.go

@@ -21,6 +21,7 @@ Runtime Commands:
 Debugging Commands:
  logs Print the logs for a module execution
  profile Generate performance profile from execution records
+ trace Generate traces from execution records
 
 Other Commands:
  config View or edit the timecraft configuration
@@ -70,6 +71,8 @@ func help(ctx context.Context, args []string) error {
  msg = runUsage
  case "replay":
  msg = replayUsage
+ case "trace":
+ msg = traceUsage
  case "version":
  msg = versionUsage
  default: