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scx.service: document scx override variables

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Add a small section to document how to use SCX_SCHEDULER_OVERRIDE and
SCX_FLAGS_OVERRIDE with the scx systemd service.

Also fix a small typo (namspace -> namespace).

Signed-off-by: Pietro Righi <pietro.righi.email@gmail.com>
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Pietro Righi 2024-06-14 19:22:36 +02:00
parent fdc2e8532b
commit 8da1b126f5
1 changed files with 14 additions and 1 deletions
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services/README.md
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@ -41,9 +41,22 @@ systemctl enable --now scx.service
systemctl status scx.service systemctl status scx.service
``` ```
## Override global configuration
It is possible to override the global scx settings using systemd environment
variables `SCX_SCHEDULER_OVERRIDE` and `SCX_FLAGS_OVERRIDE`.
Example:
```
systemctl set-environment SCX_SCHEDULER_OVERRIDE=scx_rustland
systemctl set-environment SCX_FLAGS_OVERRIDE="-s 10000"
systemctl restart scx
```
## Checking Journald Logs ## Checking Journald Logs
The SCX schedulers do not log to the default journald namspace. Instead, they save logs in a dedicated ```sched-ext``` namespace. The SCX schedulers do not log to the default journald namespace. Instead, they save logs in a dedicated ```sched-ext``` namespace.
This is where you should look for information about possible errors. This is where you should look for information about possible errors.
- To view the logs, use the following command: - To view the logs, use the following command: