> strace -c env ... Time % Usecs Calls Usecs/call Syscall ------ ---------- ------- ---------- -------------------- 28.57 774 65 11 _kern_read_stat 25.43 689 39 17 _kern_write 7.31 198 13 15 _kern_map_file 6.20 168 16 10 _kern_read 3.99 108 9 12 _kern_set_area_protection 3.88 105 10 10 _kern_close 3.54 96 8 12 _kern_open 3.54 96 7 13 _kern_image_relocated 3.29 89 8 11 _kern_create_area 2.99 81 7 11 _kern_resize_area 2.69 73 6 12 _kern_normalize_path 2.69 73 7 10 _kern_reserve_address_range 2.29 62 6 10 _kern_register_image 1.92 52 5 10 _kern_read_link 0.85 23 2 11 _kern_get_system_info 0.41 11 1 11 _kern_ioctl 0.41 11 1 11 _kern_exit_team