The profiler does not currently work. Attempting to profile an application results in the .profile not being able to be saved. This is the case for both root and normal users.

Reproduction

On commit df249f269bc105df3009bd6504aa37c7d8162cce (latest master branch as of July 29th)

~$ profile TextEditor

Debug output

149.616 profile(46:46): Enabling profiling for PID 46
162.548 [#0 TextEditor(46:46)]: Terminating TextEditor(46) due to signal 2
162.548 [#0 Finalizer Task(5:5)]: Generating perfcore for pid: 46
162.552 [#0 Finalizer Task(5:5)]: Rejecting path '/home/anon/TextEditor_46.profile' because it hasn't been unveiled
162.552 [#0 Finalizer Task(5:5)]: Kernel + 0x0000000000a708b4  Kernel::VirtualFileSystem::validate_path_against_process_veil(Kernel::Process const&, AK::StringView, int) [clone .localalias] +0x684
162.567 [#0 Finalizer Task(5:5)]: Kernel + 0x0000000000a927b8  Kernel::VirtualFileSystem::create(Kernel::Process const&, Kernel::Credentials const&, AK::StringView, int, unsigned short, Kernel::Custody&, AK::Optional<Kernel::UidAndGid>) [clone .localalias] +0x2f8
162.572 [#0 Finalizer Task(5:5)]: Kernel + 0x0000000000a95bb8  Kernel::VirtualFileSystem::open(Kernel::Process const&, Kernel::Credentials const&, AK::StringView, int, unsigned short, Kernel::Custody&, AK::Optional<Kernel::UidAndGid>) [clone .localalias] +0x9b8
162.575 [#0 Finalizer Task(5:5)]: Kernel + 0x000000000126ab0f  Kernel::Process::dump_perfcore() [clone .localalias] +0xaaf
162.575 [#0 Finalizer Task(5:5)]: Kernel + 0x000000000127b362  Kernel::Process::finalize() +0xfb2
162.575 [#0 Finalizer Task(5:5)]: Kernel + 0x00000000012f867a  Kernel::Thread::finalize_dying_threads() +0xb5a
162.575 [#0 Finalizer Task(5:5)]: Kernel + 0x00000000011f2ff4  Kernel::finalizer_task(void*) +0x224