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Fix README to use new `--collector.process.whitelist` (#497) 

With PR #489 `--collector.process.processes-where` no longer works, changing example to use `--collector.process.whitelist` with regexp
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Mario Hofstätter 2020-04-03 20:49:11 +02:00
parent 1d7747b4d1
commit 2290969596
1 changed files with 2 additions and 4 deletions
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README.md
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@ -97,11 +97,9 @@ The prometheus metrics will be exposed on [localhost:9182](http://localhost:9182
### Enable only process collector and specify a custom query
.\wmi_exporter.exe --collectors.enabled "process" --collector.process.processes-where "Name LIKE 'firefox%'"
.\wmi_exporter.exe --collectors.enabled "process" --collector.process.whitelist="firefox.+"
When there are multiple processes with the same name, WMI represents those after the first instance as `process-name#index`. So to get them all, rather than just the first one, the query needs to be a wildcard search using a `%` character.
Please note that in Windows batch scripts (and when using the `cmd` command prompt), the `%` character is reserved, so it has to be escaped with another `%`. For example, the wildcard syntax for searching for all firefox processes is `firefox%%`.
When there are multiple processes with the same name, WMI represents those after the first instance as `process-name#index`. So to get them all, rather than just the first one, the [regular expression](https://en.wikipedia.org/wiki/Regular_expression) must use `.+`. See [process](docs/collector.process.md) for more information.
## License