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steamrt
steam-runtime-tools
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5c083d64
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5c083d64
authored
3 years ago
by
Simon McVittie
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docs: Update description of --devel to reflect merged MRs
Signed-off-by:
Simon McVittie
<
smcv@collabora.com
>
parent
9adc3890
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docs/slr-for-game-developers.md
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5c083d64
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@@ -498,11 +498,24 @@ $ /path/to/steamlibrary/steamapps/common/SteamLinuxRuntime_soldier/run \
Exporting
`PRESSURE_VESSEL_DEVEL=1`
is equivalent to using the
`--devel`
option.
At the moment, this option mounts
`/sys`
read-write instead of read-only,
so that game developers can use advanced profiling and debugging mechanisms
that might require writing to
`/sys/kernel`
or similar pseudo-filesystems.
Currently, the features enabled by this option are:
It is likely to do more in future pressure-vessel releases.
*
The standard input file descriptor is inherited from the parent
process, the same as
`--terminal=tty`
.
This is useful when running an interactive shell like
`bash`
, or a
game that accepts developer console commands on standard input.
*
`/sys`
is mounted read-write instead of read-only, so that game
developers can use advanced profiling and debugging mechanisms that
might require writing to
`/sys/kernel`
or similar pseudo-filesystems.
This option is a recent addition and is not present in all container
runtimes yet.
If it is not available in your current version of the Steam Linux Runtime,
one option is to
[
upgrade pressure-vessel
][
Upgrading pressure-vessel
]
to a version that has this option.
This option is likely to have more effects in future pressure-vessel releases.
## Running in a SDK environment
...
...
@@ -551,6 +564,8 @@ environment.
## Upgrading pressure-vessel
[
Upgrading pressure-vessel
]:
#upgrading-pressure-vessel
The recommended version of
`pressure-vessel`
is the one that is included
in the
*Steam Linux Runtime - soldier*
depot, and other versions are
not necessarily compatible with the container runtime and scripts in
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