pkg/rpctype: make RPC compression optional

RPC compression take up to 10% of CPU time in profiles,
but it's unlikely to be beneficial for local VM runs
(we are mostly copying memory in this case).
Enable RPC compression based on the VM type
(local VM don't use it, remove machines use it).

1 files changed, 7 insertions, 5 deletions

diff --git a/pkg/instance/instance.go b/pkg/instance/instance.go
index 7b4ca5c71..1e4787c94 100644
--- a/pkg/instance/instance.go
+++ b/pkg/instance/instance.go
@@ -456,11 +456,12 @@ func (inst *inst) testRepro() ([]byte, error) {
 }
 
 type OptionalFuzzerArgs struct {
-	Slowdown      int
-	RawCover      bool
-	SandboxArg    int
-	PprofPort     int
-	ResetAccState bool
+	Slowdown       int
+	RawCover       bool
+	SandboxArg     int
+	PprofPort      int
+	ResetAccState  bool
+	NetCompression bool
 }
 
 type FuzzerCmdArgs struct {
@@ -504,6 +505,7 @@ func FuzzerCmd(args *FuzzerCmdArgs) string {
 			{Name: "sandbox_arg", Value: fmt.Sprint(args.Optional.SandboxArg)},
 			{Name: "pprof_port", Value: fmt.Sprint(args.Optional.PprofPort)},
 			{Name: "reset_acc_state", Value: fmt.Sprint(args.Optional.ResetAccState)},
+			{Name: "net_compression", Value: fmt.Sprint(args.Optional.NetCompression)},
 		}
 		optionalArg = " " + tool.OptionalFlags(flags)
 	}