runner: Take the number of workers as a flag.
Default to the number of CPUs. Avoids the tests launching 64 valgrinds in
parallel on machines without gobs of memory.
Change-Id: I9eeb365b48aa7407e303d161f90ce69a591a884c
Reviewed-on: https://boringssl-review.googlesource.com/1375
Reviewed-by: Adam Langley <agl@google.com>
diff --git a/ssl/test/runner/runner.go b/ssl/test/runner/runner.go
index 07b1a12..7958a77 100644
--- a/ssl/test/runner/runner.go
+++ b/ssl/test/runner/runner.go
@@ -9,6 +9,7 @@
"net"
"os"
"os/exec"
+ "runtime"
"strings"
"sync"
"syscall"
@@ -856,6 +857,7 @@
func main() {
var flagTest *string = flag.String("test", "", "The name of a test to run, or empty to run all tests")
+ var flagNumWorkers *int = flag.Int("num-workers", runtime.NumCPU(), "The number of workers to run in parallel.")
flag.Parse()
@@ -866,7 +868,7 @@
var wg sync.WaitGroup
- const numWorkers = 64
+ numWorkers := *flagNumWorkers
statusChan := make(chan statusMsg, numWorkers)
testChan := make(chan *testCase, numWorkers)
