Stowage/go
2
0
Fork 0
mirror of https://github.com/golang/go.git synced 2025-12-08 06:10:04 +00:00
Code Issues Projects Releases Packages Wiki Activity

[dev.fuzz] internal/fuzz: add additional debug logging

Browse source 
When GODEBUG=fuzzdebug=1, log additional debug level information about
what the fuzzer is doing. This provides useful information for
investigating the operation and performance of the fuzzing engine, and
is necessary for profiling new fuzzing strategies.

Change-Id: Ic3e24e7a128781377e62785767a218811c3c2030
Reviewed-on: https://go-review.googlesource.com/c/go/+/324972
Trust: Roland Shoemaker <roland@golang.org>
Trust: Katie Hockman <katie@golang.org>
Run-TryBot: Roland Shoemaker <roland@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Katie Hockman <katie@golang.org>
This commit is contained in:
Roland Shoemaker 2021-05-22 17:24:17 -07:00
parent 542e8c74e7
commit 2c98915ac7
5 changed files with 102 additions and 21 deletions
Download patch file Download diff file Expand all files Collapse all files

10
src/internal/fuzz/coverage.go
View file

@ -45,6 +45,16 @@ func SnapshotCoverage() {
copy(coverageSnapshot, cov)
}
func countEdges(cov []byte) int {
n := 0
for _, c := range cov {
if c > 0 {
n++
}
}
return n
}
var coverageSnapshot []byte
// _counters and _ecounters mark the start and end, respectively, of where