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consensus: print go routines in failed test

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This commit is contained in:
Ethan Buchman
2018-01-25 01:01:27 -05:00
parent 3ae26bd6e6
commit ab13806276
1 changed files with 9 additions and 0 deletions
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9
consensus/reactor_test.go
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@ -4,6 +4,7 @@ import (
"context" "context"
"fmt" "fmt"
"os" "os"
"runtime"
"runtime/pprof" "runtime/pprof"
"sync" "sync"
"testing" "testing"
@ -410,7 +411,15 @@ func timeoutWaitGroup(t *testing.T, n int, f func(int), css []*ConsensusState) {
t.Log(cs.GetRoundState()) t.Log(cs.GetRoundState())
t.Log("") t.Log("")
} }
os.Stdout.Write([]byte("pprof.Lookup('goroutine'):\n"))
pprof.Lookup("goroutine").WriteTo(os.Stdout, 1) pprof.Lookup("goroutine").WriteTo(os.Stdout, 1)
capture()
panic("Timed out waiting for all validators to commit a block") panic("Timed out waiting for all validators to commit a block")
} }
} }
func capture() {
trace := make([]byte, 10240000)
count := runtime.Stack(trace, true)
fmt.Printf("Stack of %d bytes: %s\n", count, trace)
}