pipeline: inputs: process: Add threading info

Signed-off-by: Alexa Kreizinger <alexakreizinger@gmail.com>

Author: alexakreizinger

pipeline/inputs/process.md

@@ -3,7 +3,7 @@
 
 _Process_ input plugin allows you to check how healthy a process is. It does so by performing a service check at every certain interval of time specified by the user.
 
-The Process metrics plugin creates metrics that are log-based \(I.e. JSON payload\). If you are looking for Prometheus-based metrics please see the Node Exporter Metrics input plugin. 
+The Process metrics plugin creates metrics that are log-based \(I.e. JSON payload\). If you are looking for Prometheus-based metrics please see the Node Exporter Metrics input plugin.
 
 ## Configuration Parameters
 
@@ -17,6 +17,7 @@ The plugin supports the following configuration parameters:
 | Alert | If enabled, it will only generate messages if the target process is down. By default this option is disabled. |
 | Fd | If enabled, a number of fd is appended to each records. Default value is true. |
 | Mem | If enabled, memory usage of the process is appended to each records. Default value is true. |
+| Threaded | Indicates whether to run this input in its own [thread](../../administration/multithreading.md#inputs). Default: `false`. |
 
 ## Getting Started
 
@@ -64,4 +65,3 @@ Fluent Bit v1.x.x
 [2] proc.0: [1485780299, {"alive"=>true, "proc_name"=>"fluent-bit", "pid"=>10964, "mem.VmPeak"=>14740000, "mem.VmSize"=>14740000, "mem.VmLck"=>0, "mem.VmHWM"=>1152000, "mem.VmRSS"=>1148000, "mem.VmData"=>2276000, "mem.VmStk"=>88000, "mem.VmExe"=>1768000, "mem.VmLib"=>2328000, "mem.VmPTE"=>68000, "mem.VmSwap"=>0, "fd"=>18}]
 [3] proc.0: [1485780300, {"alive"=>true, "proc_name"=>"fluent-bit", "pid"=>10964, "mem.VmPeak"=>14740000, "mem.VmSize"=>14740000, "mem.VmLck"=>0, "mem.VmHWM"=>1152000, "mem.VmRSS"=>1148000, "mem.VmData"=>2276000, "mem.VmStk"=>88000, "mem.VmExe"=>1768000, "mem.VmLib"=>2328000, "mem.VmPTE"=>68000, "mem.VmSwap"=>0, "fd"=>18}]
 ```
-