mtenable+mtdisable for dirbench

e7b3d140 · Silas Boyd-Wickizer · d5460024 · e7b3d140
--- a/bin/dirbench.cc
+++ b/bin/dirbench.cc
@@ -8,7 +8,7 @@
 static const bool pinit = true;

 #ifdef HW_qemu
-enum { nloop = 100 };
+enum { nloop = 50 };
 #else
 enum { nloop = 1000 };
 #endif
@@ -66,6 +66,7 @@ main(int ac, char** av)

  mkdir("/dbx");

+  mtenable("xv6-schedbench");
  u64 t0 = rdtsc();
  for(u32 i = 0; i < nthread; i++) {
    int pid = fork(0);
@@ -78,6 +79,7 @@ main(int ac, char** av)
  for (u32 i = 0; i < nthread; i++)
    wait();
  u64 t1 = rdtsc();
+  mtdisable("xv6-schedbench");

  printf("dirbench: %lu\n", t1-t0);
  return 0;