host: strace -tt sleep 1

0.000 / 0.653 ms: 13:13:56.452820 execve("/usr/bin/sleep", ["sleep", "1"], 0x7ffded01ecb0 /* 53 vars */) = 0
0.653 / 0.023 ms: 13:13:56.453473 brk(NULL)               = 0x5617efdea000
0.676 / 0.063 ms: 13:13:56.453496 arch_prctl(0x3001 /* ARCH_??? */, 0x7fffeb7041b0) = -1 EINVAL (Invalid argument)
0.739 / 0.020 ms: 13:13:56.453559 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
0.759 / 0.017 ms: 13:13:56.453579 openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
0.776 / 0.515 ms: 13:13:56.453596 newfstatat(3, "", {st_mode=S_IFREG|0644, st_size=104209, ...}, AT_EMPTY_PATH) = 0
1.291 / 0.025 ms: 13:13:56.454111 mmap(NULL, 104209, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f6d31fba000
1.316 / 0.022 ms: 13:13:56.454136 close(3)                = 0
1.338 / 0.016 ms: 13:13:56.454158 openat(AT_FDCWD, "/lib/x86_64-linux-gnu/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
1.354 / 0.016 ms: 13:13:56.454174 read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0000\342\2\0\0\0\0\0"..., 832) = 832
1.370 / 0.012 ms: 13:13:56.454190 pread64(3, "\6\0\0\0\4\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0"..., 784, 64) = 784
1.382 / 0.012 ms: 13:13:56.454202 pread64(3, "\4\0\0\0 \0\0\0\5\0\0\0GNU\0\2\0\0\300\4\0\0\0\3\0\0\0\0\0\0\0"..., 48, 848) = 48
1.394 / 0.012 ms: 13:13:56.454214 pread64(3, "\4\0\0\0\24\0\0\0\3\0\0\0GNU\0\270\3{b`\206SF\200#!\335\"V\270\255"..., 68, 896) = 68
1.406 / 0.013 ms: 13:13:56.454226 newfstatat(3, "", {st_mode=S_IFREG|0644, st_size=2215936, ...}, AT_EMPTY_PATH) = 0
1.419 / 0.014 ms: 13:13:56.454239 mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6d31fb8000
1.433 / 0.013 ms: 13:13:56.454253 pread64(3, "\6\0\0\0\4\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0@\0\0\0\0\0\0\0"..., 784, 64) = 784
1.446 / 0.012 ms: 13:13:56.454266 mmap(NULL, 2260144, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f6d31d90000
1.458 / 0.015 ms: 13:13:56.454278 mprotect(0x7f6d31dbc000, 2002944, PROT_NONE) = 0
1.473 / 0.014 ms: 13:13:56.454293 mmap(0x7f6d31dbc000, 1654784, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2c000) = 0x7f6d31dbc000
1.487 / 0.013 ms: 13:13:56.454307 mmap(0x7f6d31f50000, 344064, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1c0000) = 0x7f6d31f50000
1.500 / 0.015 ms: 13:13:56.454320 mmap(0x7f6d31fa5000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x214000) = 0x7f6d31fa5000
1.515 / 0.017 ms: 13:13:56.454335 mmap(0x7f6d31fab000, 52400, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f6d31fab000
1.532 / 0.016 ms: 13:13:56.454352 close(3)                = 0
1.548 / 0.013 ms: 13:13:56.454368 mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6d31d8e000
1.561 / 0.010 ms: 13:13:56.454381 arch_prctl(ARCH_SET_FS, 0x7f6d31fb9600) = 0
1.571 / 0.011 ms: 13:13:56.454391 set_tid_address(0x7f6d31fb98d0) = 277024
1.582 / 0.036 ms: 13:13:56.454402 set_robust_list(0x7f6d31fb98e0, 24) = 0
1.618 / 0.021 ms: 13:13:56.454438 mprotect(0x7f6d31fa5000, 12288, PROT_READ) = 0
1.639 / 0.013 ms: 13:13:56.454459 mprotect(0x5617ef672000, 4096, PROT_READ) = 0
1.652 / 0.015 ms: 13:13:56.454472 mprotect(0x7f6d32007000, 8192, PROT_READ) = 0
1.667 / 0.027 ms: 13:13:56.454487 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
1.694 / 0.022 ms: 13:13:56.454514 munmap(0x7f6d31fba000, 104209) = 0
1.716 / 0.011 ms: 13:13:56.454536 getrandom("\x68\x0b\xa4\x40\xcd\xe9\x1f\x65", 8, GRND_NONBLOCK) = 8
1.727 / 0.009 ms: 13:13:56.454547 brk(NULL)               = 0x5617efdea000
1.736 / 0.013 ms: 13:13:56.454556 brk(0x5617efe0b000)     = 0x5617efe0b000
1.749 / 0.015 ms: 13:13:56.454569 openat(AT_FDCWD, "/usr/lib/locale/locale-archive", O_RDONLY|O_CLOEXEC) = 3
1.764 / 0.011 ms: 13:13:56.454584 newfstatat(3, "", {st_mode=S_IFREG|0644, st_size=5704352, ...}, AT_EMPTY_PATH) = 0
1.775 / 0.012 ms: 13:13:56.454595 mmap(NULL, 5704352, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f6d3181d000
1.787 / 0.026 ms: 13:13:56.454607 close(3)                = 0
1.813 / 1000.129 ms: 13:13:56.454633 clock_nanosleep(CLOCK_REALTIME, 0, {tv_sec=1, tv_nsec=0}, 0x7fffeb704150) = 0
1001.942 / 0.040 ms: 13:13:57.454762 close(1)                = 0
1001.982 / 0.028 ms: 13:13:57.454802 close(2)                = 0
1002.010 / 0.126 ms: 13:13:57.454830 exit_group(0)           = ?