diff options
Diffstat (limited to 'test/benchmarks/harness/util.go')
| -rw-r--r-- | test/benchmarks/harness/util.go | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/test/benchmarks/harness/util.go b/test/benchmarks/harness/util.go index cc7de6426..bc551c582 100644 --- a/test/benchmarks/harness/util.go +++ b/test/benchmarks/harness/util.go @@ -27,12 +27,20 @@ import ( // IP:port. func WaitUntilServing(ctx context.Context, machine Machine, server net.IP, port int) error { var logger testutil.DefaultLogger = "netcat" - netcat := machine.GetContainer(ctx, logger) + netcat := machine.GetNativeContainer(ctx, logger) defer netcat.CleanUp(ctx) - cmd := fmt.Sprintf("while ! nc -zv %s %d; do true; done", server.String(), port) + cmd := fmt.Sprintf("while ! nc -zv %s %d; do true; done", server, port) _, err := netcat.Run(ctx, dockerutil.RunOpts{ Image: "packetdrill", }, "sh", "-c", cmd) return err } + +// DropCaches drops caches on the provided machine. Requires root. +func DropCaches(machine Machine) error { + if out, err := machine.RunCommand("/bin/sh", "-c", "sync | sysctl vm.drop_caches=3"); err != nil { + return fmt.Errorf("failed to drop caches: %v logs: %s", err, out) + } + return nil +} |