2 # For a description of the syntax of this configuration file,
3 # see scripts/kbuild/config-language.txt.
6 menu "Process Utilities"
12 free displays the total amount of free and used physical and swap
13 memory in the system, as well as the buffers used by the kernel.
14 The shared memory column should be ignored; it is obsolete.
20 fuser lists all PIDs (Process IDs) that currently have a given
21 file open. fuser can also list all PIDs that have a given network
22 (TCP or UDP) port open.
28 The command kill sends the specified signal to the specified
29 process or process group. If no signal is specified, the TERM
37 killall sends a signal to all processes running any of the
38 specified commands. If no signal name is specified, SIGTERM is
50 Prints selected system stats continuously, one line per update.
56 Pidof finds the process id's (pids) of the named programs. It prints
57 those id's on the standard output.
59 config FEATURE_PIDOF_SINGLE
60 bool "Enable argument for single shot (-s)"
64 Support argument '-s' for returning only the first pid found.
66 config FEATURE_PIDOF_OMIT
67 bool "Enable argument for omitting pids (-o)"
71 Support argument '-o' for omitting the given pids in output.
72 The special pid %PPID can be used to name the parent process
73 of the pidof, in other words the calling shell or shell script.
79 ps gives a snapshot of the current processes.
81 config FEATURE_PS_WIDE
82 bool "Enable argument for wide output (-w)"
86 Support argument 'w' for wide output.
87 If given once, 132 chars are printed and given more than
88 one, the length is unlimited.
94 Renice alters the scheduling priority of one or more running
101 Configure kernel parameters at runtime.
107 The top program provides a dynamic real-time view of a running
110 config FEATURE_TOP_CPU_USAGE_PERCENTAGE
111 bool "Show CPU per-process usage percentage (adds 2k bytes)"
115 Make top display CPU usage for each process.
117 config FEATURE_TOP_CPU_GLOBAL_PERCENTS
118 bool "Show CPU global usage percentage (adds 0.5k bytes)"
120 depends on FEATURE_TOP_CPU_USAGE_PERCENTAGE
122 Makes top display "CPU: NN% usr NN% sys..." line.
124 config FEATURE_TOP_DECIMALS
125 bool "Show 1/10th of a percent in CPU/mem statistics (adds 0.3k bytes)"
127 depends on FEATURE_TOP_CPU_USAGE_PERCENTAGE
129 Show 1/10th of a percent in CPU/mem statistics.
131 config FEATURE_TOPMEM
136 Enable 's' in top (gives lots of memory info)
142 uptime gives a one line display of the current time, how long
143 the system has been running, how many users are currently logged
144 on, and the system load averages for the past 1, 5, and 15 minutes.
151 watch is used to execute a program periodically, showing
152 output to the screen.