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docs: update Prerequisite of cpufreq for fluent-package #14

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Mar 5, 2025
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docs: update Prerequisite of cpufreq for fluent-package #14

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14 changes: 11 additions & 3 deletions docs/cpufreq.md
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Original file line number Diff line number Diff line change
Expand Up @@ -5,13 +5,21 @@
If ruby binary is executed with non-root user, linux capability
must be enabled for cpufreq collector.

```sh
```console
$ sudo setcap cap_dac_read_search=+eip PATH_TO_RUBY
```

If you already installed td-agent, you can use `fluent-cap-ctl`.
If you already installed fluent-package, you can use `fluent-cap-ctl`.

```sh
```console
$ sudo /opt/fluent/bin/fluent-cap-ctl --add dac_read_search -f /opt/fluent/bin/ruby
Updating dac_read_search done.
Adding dac_read_search done.
```

td-agent (EOL):

```console
$ sudo /opt/td-agent/bin/fluent-cap-ctl --add dac_read_search -f /opt/td-agent/bin/ruby
Updating dac_read_search done.
Adding dac_read_search done.
Expand Down