Package index • ps

List processes

ps(): Process table

ps_apps(): List currently running applications

ps_pids(): Ids of all processes on the system

Process query API

ps_children(): 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.

ps_cmdline(): Command line of the process

ps_cpu_times(): CPU times of the process

ps_create_time(): Start time of a process

ps_cwd(): Process current working directory as an absolute path.

ps_descent(): Query the ancestry of a process

ps_environ() ps_environ_raw(): Environment variables of a process

ps_exe(): Full path of the executable of a process

ps_handle() as.character(<ps_handle>) format(<ps_handle>) print(<ps_handle>): Create a process handle

ps_is_running(): Checks whether a process is running

ps_memory_info() ps_memory_full_info(): Memory usage information

ps_name(): Process name

ps_num_threads(): Number of threads

ps_pid(): Pid of a process handle

ps_ppid() ps_parent(): Parent pid or parent process of a process

ps_shared_libs(): List the dynamically loaded libraries of a process

ps_status(): Current process status

ps_terminal(): Terminal device of the process

ps_uids() ps_gids(): User ids and group ids of the process

ps_username(): Owner of the process

Files and Network Connections

ps_connections(): List network connections of a process

ps_num_fds(): Number of open file descriptors

ps_open_files(): Open files of a process

Process manipulation

ps_interrupt(): Interrupt a process

ps_kill(): Kill one or more processes

ps_resume(): Resume (continue) a stopped process

ps_send_signal(): Send signal to a process

ps_suspend(): Suspend (stop) the process

ps_terminate(): Terminate a Unix process

ps_get_cpu_affinity() ps_set_cpu_affinity(): Query or set CPU affinity

ps_windows_nice_values() ps_get_nice() ps_set_nice(): Get or set the priority of a process

ps_wait(): Wait for one or more processes to terminate, with a timeout

Users

ps_users(): List users connected to the system

Disks and files

ps_disk_partitions(): List all mounted partitions

ps_disk_usage(): Disk usage statistics, per partition

ps_disk_io_counters(): System-wide disk I/O counters

ps_fs_info(): File system information for files

ps_fs_mount_point(): Find the mount point of a file or directory

ps_fs_stat(): File status

Other system information

ps_boot_time(): Boot time of the system

ps_os_type() ps_is_supported(): Query the type of the OS

ps_cpu_count(): Number of logical or physical CPUs

ps_tty_size(): Query the size of the current terminal

ps_loadavg(): Return the average system load over the last 1, 5 and 15 minutes as a tuple.

ps_shared_lib_users(): List all processes that loaded a shared library

ps_system_cpu_times(): System CPU times.

ps_system_memory(): Statistics about system memory usage

ps_system_swap(): System swap memory statistics

Process tree cleanup

ps_mark_tree() with_process_cleanup() ps_find_tree() ps_kill_tree(): Mark a process and its (future) child tree

CleanupReporter(): testthat reporter that checks if child processes are cleaned up in tests

Utility functions

ps_os_type() ps_is_supported(): Query the type of the OS

ps_string(): Encode a ps_handle as a short string

signals(): List of all supported signals

errno(): List of 'errno' error codes