Mtrace'ify forkexecbench.

64137fa7 · Silas Boyd-Wickizer · ce21e3d8 · 64137fa7
--- a/forkexecbench.c
+++ b/forkexecbench.c
@@ -4,12 +4,13 @@
 #include "mtrace.h"
 #include "amd64.h"
-#define NITERS 64
+#define NITERS 16
 static void
 execbench(void)
 {
  u64 s = rdtsc();
+  mtenable("xv6-forkexecbench");
  for (int i = 0; i < NITERS; i++) {
    int pid = fork(0);
    if (pid < 0) {
@@ -25,6 +26,9 @@ execbench(void)
      wait();
    }
  }
+  mtops(NITERS);
+  mtdisable("xv6-forkexecbench");
  u64 e = rdtsc();
  printf(1, "%lu\n", (e-s) / NITERS);
 }