strace is a diagnostic, debugging and instructional userspace utility for Linux
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debian
linux
m4
maint
qemu_multiarch_testing
test
tests
xlat
.gitignore
.mailmap
.travis.yml
AUTHORS
COPYING
CREDITS.in
ChangeLog-CVS
HACKING-scripts
INSTALL
Makefile.am
NEWS
README
README-hacking
README-linux-ptrace
README-mpers
README.md
access.c
affinity.c
aio.c
alpha.c
bjm.c
block.c
bootstrap
bpf.c
btrfs.c
build_static_example.sh
cacheflush.c
capability.c
caps0.h
caps1.h
chdir.c
chmod.c
clone.c
configure.ac
copy_file_range.c
count.c
defs.h
desc.c
dirent.c
dirent64.c
empty.h
epoll.c
errnoent.sh
evdev.c
eventfd.c
execve.c
exit.c
fadvise.c
fallocate.c
fanotify.c
fchownat.c
fcntl.c
fetch_seccomp_fprog.c
fetch_struct_flock.c
fetch_struct_mmsghdr.c
fetch_struct_msghdr.c
fetch_struct_statfs.c
file.c
file_handle.c
file_ioctl.c
flock.c
flock.h
fs_x_ioctl.c
fstatfs.c
fstatfs64.c
futex.c
gcc_compat.h
generate_mpers_am.sh
generate_sen.sh
get_robust_list.c
getcpu.c
getcwd.c
getrandom.c
git-set-file-times
git-version-gen
gitlog-to-changelog
hdio.c
hostname.c
inotify.c
io.c
ioctl.c
ioctlsort.c
ioperm.c
iopl.c
ioprio.c
ipc.c
ipc_defs.h
ipc_msg.c
ipc_msgctl.c
ipc_sem.c
ipc_shm.c
ipc_shmctl.c
kcmp.c
kernel_types.h
kexec.c
keyctl.c
ldt.c
link.c
lookup_dcookie.c
loop.c
lseek.c
make-dist
make-dsc
mem.c
membarrier.c
memfd_create.c
mknod.c
mmsghdr.c
mount.c
mpers.awk
mpers.sh
mpers_test.sh
mpers_type.h
mq.c
msghdr.c
msghdr.h
mtd.c
native_defs.h
net.c
netlink.c
netlink.h
netlink_sock_diag.c
numa.c
open.c
or1k_atomic.c
pathtrace.c
perf.c
personality.c
poll.c
prctl.c
print_mq_attr.c
print_msgbuf.c
print_sigevent.c
print_statfs.c
print_time.c
print_timex.c
printmode.c
printrusage.c
printsiginfo.c
printsiginfo.h
printstat.h
process.c
process_vm.c
ptp.c
ptrace.h
quota.c
readahead.c
readlink.c
reboot.c
regs.h
renameat.c
resource.c
rtc.c
rtnetlink.c
sched.c
scsi.c
seccomp.c
seccomp_fprog.h
sendfile.c
sigaltstack.c
sigevent.h
signal.c
signalent.sh
signalfd.c
sigreturn.c
sock.c
sockaddr.c
socketcall.c
socketutils.c
sram_alloc.c
statfs.c
statfs.h
statfs64.c
strace-graph
strace-log-merge
strace.1
strace.c
strace.spec.in
swapon.c
sync_file_range.c
sync_file_range2.c
syscall.c
syscallent.sh
sysctl.c
sysinfo.c
syslog.c
sysmips.c
term.c
time.c
times.c
travis-build.sh
travis-install.sh
travis-success.sh
truncate.c
ubi.c
uid.c
uid16.c
umask.c
umount.c
uname.c
unwind.c
upeek.c
userfaultfd.c
util.c
utime.c
utimes.c
v4l2.c
vsprintf.c
wait.c
xattr.c
xlat.h
xlate.el
xmalloc.c

README.md

This is strace -- a diagnostic, debugging and instructional userspace utility for Linux. It is used to monitor interactions between processes and the Linux kernel, which include system calls, signal deliveries, and changes of process state. The operation of strace is made possible by the kernel feature known as ptrace.

strace is released under a Berkeley-style license at the request of Paul Kranenburg; see the file COPYING for details.

See the file NEWS for information on what has changed in recent versions.

Please send bug reports and enhancements to the strace mailing list.

Build Status Code Coverage