qemu: strace -tt sleep 1

0.000 / 1.008 ms: 12:12:03.164063 execve("/usr/bin/sleep", ["sleep", "1"], 0x7ffd0bd93e50 /* 13 vars */) = 0
1.008 / 0.119 ms: 12:12:03.165071 brk(NULL)               = 0x55b78c484000
1.127 / 0.102 ms: 12:12:03.165190 arch_prctl(0x3001 /* ARCH_??? */, 0x7ffcb5dfd850) = -1 EINVAL (Invalid argument)
1.229 / 0.095 ms: 12:12:03.165292 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
1.324 / 0.079 ms: 12:12:03.165387 openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
1.403 / 0.289 ms: 12:12:03.165466 newfstatat(3, "", {st_mode=S_IFREG|0644, st_size=36066, ...}, AT_EMPTY_PATH) = 0
1.692 / 0.081 ms: 12:12:03.165755 mmap(NULL, 36066, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f46d9151000
1.773 / 0.075 ms: 12:12:03.165836 close(3)                = 0
1.848 / 0.081 ms: 12:12:03.165911 openat(AT_FDCWD, "/lib/x86_64-linux-gnu/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
1.929 / 0.079 ms: 12:12:03.165992 read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\240\206\2\0\0\0\0\0"..., 832) = 832
2.008 / 0.097 ms: 12:12:03.166071 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
2.105 / 0.072 ms: 12:12:03.166168 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
2.177 / 0.064 ms: 12:12:03.166240 pread64(3, "\4\0\0\0\24\0\0\0\3\0\0\0GNU\0+H)\227\201T\214\233\304R\352\306\3379\220%"..., 68, 896) = 68
2.241 / 0.066 ms: 12:12:03.166304 newfstatat(3, "", {st_mode=S_IFREG|0755, st_size=1983576, ...}, AT_EMPTY_PATH) = 0
2.307 / 0.065 ms: 12:12:03.166370 mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d914f000
2.372 / 0.063 ms: 12:12:03.166435 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
2.435 / 0.062 ms: 12:12:03.166498 mmap(NULL, 2012056, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f46d8f63000
2.497 / 0.065 ms: 12:12:03.166560 mmap(0x7f46d8f89000, 1486848, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x26000) = 0x7f46d8f89000
2.562 / 0.062 ms: 12:12:03.166625 mmap(0x7f46d90f4000, 311296, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x191000) = 0x7f46d90f4000
2.624 / 0.065 ms: 12:12:03.166687 mmap(0x7f46d9140000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1dc000) = 0x7f46d9140000
2.689 / 0.067 ms: 12:12:03.166752 mmap(0x7f46d9146000, 33688, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f46d9146000
2.756 / 0.068 ms: 12:12:03.166819 close(3)                = 0
2.824 / 0.061 ms: 12:12:03.166887 mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f46d8f61000
2.885 / 0.101 ms: 12:12:03.166948 arch_prctl(ARCH_SET_FS, 0x7f46d91505c0) = 0
2.986 / 0.074 ms: 12:12:03.167049 mprotect(0x7f46d9140000, 12288, PROT_READ) = 0
3.060 / 0.062 ms: 12:12:03.167123 mprotect(0x55b78a67c000, 4096, PROT_READ) = 0
3.122 / 0.064 ms: 12:12:03.167185 mprotect(0x7f46d918c000, 8192, PROT_READ) = 0
3.186 / 0.083 ms: 12:12:03.167249 munmap(0x7f46d9151000, 36066) = 0
3.269 / 0.058 ms: 12:12:03.167332 brk(NULL)               = 0x55b78c484000
3.327 / 0.069 ms: 12:12:03.167390 brk(0x55b78c4a5000)     = 0x55b78c4a5000
3.396 / 1000.421 ms: 12:12:03.167459 clock_nanosleep(CLOCK_REALTIME, 0, {tv_sec=1, tv_nsec=0}, 0x7ffcb5dfd810) = 0
1003.817 / 0.145 ms: 12:12:04.167880 close(1)                = 0
1003.962 / 0.089 ms: 12:12:04.168025 close(2)                = 0
1004.051 / 0.184 ms: 12:12:04.168114 exit_group(0)           = ?