ps

testthat reporter that checks if child processes are cleaned up in tests

List of 'errno' error codes

Process table

Boot time of the system

List of child processes (process objects) of the process. Note that this typically requires enumerating all processes on the system, so it is a costly operation.

Command line of the process

List network connections of a process

Number of logical or physical CPUs

CPU times of the process

Start time of a process

Process current working directory as an absolute path.

Query the ancestry of a process

List all mounted partitions

Disk usage statistics, per partition

Environment variables of a process

Full path of the executable of a process

Get or set the priority of a process

Create a process handle

Interrupt a process

Checks whether a process is running

Kill a process

Mark a process and its (future) child tree

Return the average system load over the last 1, 5 and 15 minutes as a tuple. The “load” represents the processes which are in a runnable state, either using the CPU or waiting to use the CPU (e.g. waiting for disk I/O). On Windows this is emulated by using a Windows API that spawns a thread which keeps running in background and updates results every 5 seconds, mimicking the UNIX behavior. Thus, on Windows, the first time this is called and for the next 5 seconds it will return a meaningless (0.0, 0.0, 0.0) vector. The numbers returned only make sense if related to the number of CPU cores installed on the system. So, for instance, a value of 3.14 on a system with 10 logical CPUs means that the system load was 31.4% percent over the last N minutes.

Memory usage information

Process name

Number of open file descriptors

Number of threads

Open files of a process

Query the type of the OS

Pid of a process handle

Ids of all processes on the system

Parent pid or parent process of a process

Resume (continue) a stopped process

Send signal to a process

List all processes that loaded a shared library

List the dynamically loaded libraries of a process

Current process status

Suspend (stop) the process

System CPU times.

Statistics about system memory usage

System swap memory statistics

Terminal device of the process

Terminate a Unix process

Query the size of the current terminal

User ids and group ids of the process

Owner of the process

List users connected to the system

List of all supported signals