diff options
Diffstat (limited to 'pk/syscall.c')
| -rw-r--r-- | pk/syscall.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/pk/syscall.c b/pk/syscall.c index 8d9a661..85139e4 100644 --- a/pk/syscall.c +++ b/pk/syscall.c @@ -15,8 +15,16 @@ typedef long (*syscall_t)(long, long, long, long, long, long, long); void sys_exit(int code) { - if (current.t0) - printk("%ld cycles\n", rdcycle() - current.t0); + if (current.cycle0) { + size_t dt = rdtime() - current.time0; + size_t dc = rdcycle() - current.cycle0; + size_t di = rdinstret() - current.instret0; + + printk("%ld ticks\n", dt); + printk("%ld cycles\n", dc); + printk("%ld instructions\n", di); + printk("%d.%d%d CPI\n", dc/di, 10ULL*dc/di % 10, (100ULL*dc + di/2)/di % 10); + } shutdown(code); } |