print-perf tweaks

1258b4c3 · Silas Boyd-Wickizer · 2a3c6e6f · 1258b4c3 · 1258b4c3
--- a/Makefile
+++ b/Makefile
@@ -157,7 +157,7 @@ $(O)/mkfs: mkfs.c fs.h
 	gcc -m32 -Werror -Wall -o $@ mkfs.c

 $(O)/print-perf: print-perf.c sampler.h
-	gcc -m32 -Werror -Wall -o $@ print-perf.c
+	$(CC) -m64 -Werror -Wall -o $@ print-perf.c

 $(O)/fs.img: $(O)/mkfs README $(UPROGS)
 	@echo "  MKFS   $@"

--- a/print-perf.c
+++ b/print-perf.c
@@ -37,7 +37,7 @@ main(int ac, char **av)
    perror("mmap");
    exit(EXIT_FAILURE);
  }
-  header = x;
+  header = (struct logheader*)x;

  printf("ncpus %u\n", header->ncpus);
  for (i = 0; i < header->ncpus; i++) {