execve("/home/berny/depot/coreutils-8.15/src/nproc", ["nproc", "--all"], [/* 76 vars */]) = 0
brk(0)                                  = 0x142f4000
uname({sys="Linux", node="s15374368", ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2abee84f9000
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY)      = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=30592, ...}) = 0
mmap(NULL, 30592, PROT_READ, MAP_PRIVATE, 3, 0) = 0x2abee84fa000
close(3)                                = 0
open("/lib64/libc.so.6", O_RDONLY)      = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\220\354\1\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1670495, ...}) = 0
mmap(NULL, 3537800, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x2abee86fb000
fadvise64(3, 0, 3537800, POSIX_FADV_WILLNEED) = 0
mprotect(0x2abee8852000, 2093056, PROT_NONE) = 0
mmap(0x2abee8a51000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x156000) = 0x2abee8a51000
mmap(0x2abee8a56000, 19336, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x2abee8a56000
close(3)                                = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2abee8a5b000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2abee8a5c000
arch_prctl(ARCH_SET_FS, 0x2abee8a5bb20) = 0
mprotect(0x2abee8a51000, 16384, PROT_READ) = 0
mprotect(0x606000, 4096, PROT_READ)     = 0
mprotect(0x2abee86f8000, 4096, PROT_READ) = 0
munmap(0x2abee84fa000, 30592)           = 0
brk(0)                                  = 0x142f4000
brk(0x14315000)                         = 0x14315000
open("/sys/devices/system/cpu", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
open("/proc/stat", O_RDONLY|O_CLOEXEC)  = 3
read(3, "cpu  197215 35 192741 1548994396"..., 8192) = 312
close(3)                                = 0
fstat(1, {st_mode=S_IFIFO|0600, st_size=0, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2abee84fa000
write(1, "4\n", 2)                      = 2
close(1)                                = 0
munmap(0x2abee84fa000, 4096)            = 0
close(2)                                = 0
exit_group(0)                           = ?