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Add section how to temporarly disable LIKWID access to page

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Thomas Roehl 2022-03-02 13:54:43 +01:00
parent f7e8b52667
commit 092e7f6a71
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collectors/likwidMetric.md
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@ -61,7 +61,21 @@ $ scripts/likwid_perfgroup_to_cc_config.py ICX MEM_DP
} }
``` ```
You can copy this JSON and add it to the `eventsets` list. If you specify multiple event sets, you can add globally derived metrics in the extra `global_metrics` section with the metric names as variables. You can copy this JSON and add it to the `eventsets` list. If you specify multiple event sets, you can add globally derived metrics in the extra `global_metrics` section with the metric names as variables.
### Mixed usage between daemon and users
LIKWID checks the file `/var/run/likwid.lock` before performing any interfering operations. Who is allowed to access the counters is determined by the owner of the file. If it does not exist, it is created for the current user. So, if you want to temporarly allow counter access to a user (e.g. in a job):
Before (SLURM prolog, ...)
```
$ chwon $USER /var/run/likwid.lock
```
After (SLURM epilog, ...)
```
$ chwon root /var/run/likwid.lock
```
### Example configuration ### Example configuration