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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Metro 2033 Redux hangs"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107229#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Metro 2033 Redux hangs"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107229">bug 107229</a>
from <span class="vcard"><a class="email" href="mailto:alexander@tsoy.me" title="Alexander Tsoy <alexander@tsoy.me>"> <span class="fn">Alexander Tsoy</span></a>
</span></b>
<pre>(In reply to Alexander Tsoy from <a href="show_bug.cgi?id=107229#c0">comment #0</a>)
<span class="quote">> With 4.14 kernels the game process is unkillable so it hangs somewhere
> in the kernel space. With 4.17 kernels it can be killed but this
> takes some time.</span >
The process actually can be killed in a while loop.
Perf report:
$ sudo perf report | grep metro | head
33.33% metro metro [.]
cbackend_OGL::delayed_upload
31.56% metro [kernel.vmlinux] [k] rb_prev
2.07% metro [kernel.vmlinux] [k] alloc_iova
0.20% metro [kernel.vmlinux] [k] __switch_to
0.18% metro [kernel.vmlinux] [k]
native_load_gs_index
0.13% metro [kernel.vmlinux] [k]
__x86_indirect_thunk_rax
0.12% metro [kernel.vmlinux] [k]
entry_SYSCALL_64
0.08% metro [kernel.vmlinux] [k] __schedule
0.08% metro [kernel.vmlinux] [k] read_tsc
0.07% metro libc-2.26.so [.] __nanosleep</pre>
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