# strace dd if=/sys/kernel/debug/powerpc/lpc/io bs=1 skip=$((0x2f8)) count=1 | hexdump -Cv
execve("/bin/dd", ["dd", "if=/sys/kernel/debug/powerpc/lpc"..., "bs=1", "skip=760", "count=1"], 0x7fffc75e3ba0 /* 20 vars */) = 0
brk(NULL)                               = 0xc0e7da00000
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=59421, ...}) = 0
mmap(NULL, 59421, PROT_READ, MAP_PRIVATE, 3, 0) = 0x72c098df0000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/lib/powerpc64le-linux-gnu/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0\25\0\1\0\0\0\20G\2\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=2181704, ...}) = 0
mmap(NULL, 2250384, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x72c098bc0000
mmap(0x72c098dd0000, 131072, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x200000) = 0x72c098dd0000
close(3)                                = 0
mprotect(0x72c098dd0000, 65536, PROT_READ) = 0
mprotect(0xc0e7bc90000, 65536, PROT_READ) = 0
mprotect(0x72c098e60000, 65536, PROT_READ) = 0
munmap(0x72c098df0000, 59421)           = 0
rt_sigaction(SIGINT, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGUSR1, {sa_handler=0xc0e7bc74f10, sa_mask=[INT USR1], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGINT, {sa_handler=0xc0e7bc74ef0, sa_mask=[INT USR1], sa_flags=SA_NODEFER|SA_RESETHAND}, NULL, 8) = 0
brk(NULL)                               = 0xc0e7da00000
brk(0xc0e7da30000)                      = 0xc0e7da30000
openat(AT_FDCWD, "/usr/lib/locale/locale-archive", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=3003808, ...}) = 0
mmap(NULL, 3003808, PROT_READ, MAP_PRIVATE, 3, 0) = 0x72c0988e0000
close(3)                                = 0
openat(AT_FDCWD, "/sys/kernel/debug/powerpc/lpc/io", O_RDONLY) = 3
dup2(3, 0)                              = 0
close(3)                                = 0
_llseek(0, 0, [0], SEEK_CUR)            = 0
openat(AT_FDCWD, "/usr/share/locale/locale.alias", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=2995, ...}) = 0
read(3, "# Locale name alias data base.\n#"..., 4096) = 2995
read(3, "", 4096)                       = 0
close(3)                                = 0
openat(AT_FDCWD, "/usr/share/locale/en_HK.UTF-8/LC_MESSAGES/coreutils.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale/en_HK.utf8/LC_MESSAGES/coreutils.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale/en_HK/LC_MESSAGES/coreutils.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale/en.UTF-8/LC_MESSAGES/coreutils.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale/en.utf8/LC_MESSAGES/coreutils.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale/en/LC_MESSAGES/coreutils.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale-langpack/en_HK.UTF-8/LC_MESSAGES/coreutils.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale-langpack/en_HK.utf8/LC_MESSAGES/coreutils.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale-langpack/en_HK/LC_MESSAGES/coreutils.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale-langpack/en.UTF-8/LC_MESSAGES/coreutils.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale-langpack/en.utf8/LC_MESSAGES/coreutils.mo", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale-langpack/en/LC_MESSAGES/coreutils.mo", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=578, ...}) = 0
mmap(NULL, 578, PROT_READ, MAP_PRIVATE, 3, 0) = 0x72c098df0000
close(3)                                = 0
ioctl(0, MTIOCGET, 0x7fffe9b71d98)      = -1 ENOTTY (Inappropriate ioctl for device)
_llseek(0, 760, [760], SEEK_CUR)        = 0
fstat(0, {st_mode=S_IFREG|0600, st_size=0, ...}) = 0
write(2, "dd: ", 4dd: )                     = 4
write(2, "/sys/kernel/debug/powerpc/lpc/io"..., 65/sys/kernel/debug/powerpc/lpc/io: cannot skip to specified offset) = 65
write(2, "\n", 1
)                       = 1
read(0, "\377", 1)                      = 1
write(1, "\377", 1)                     = 1
close(0)                                = 0
close(1)                                = 0
00000000  ff                                                |.|
00000001
write(2, "1+0 records in\n1+0 records out\n", 311+0 records in
1+0 records out
) = 31
write(2, "1 byte copied, 0.000334471 s, 3."..., 381 byte copied, 0.000334471 s, 3.0 kB/s) = 38
write(2, "\n", 1
)                       = 1
close(2)                                = 0
exit_group(0)                           = ?
+++ exited with 0 +++