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14 The shared memory column should be ignored; it is obsolete.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 Look for processes by name.
62 Pidof finds the process id's (pids) of the named programs. It prints
63 those id's on the standard output.
65 config FEATURE_PIDOF_SINGLE
66 bool "Enable argument for single shot (-s)"
70 Support argument '-s' for returning only the first pid found.
72 config FEATURE_PIDOF_OMIT
73 bool "Enable argument for omitting pids (-o)"
77 Support argument '-o' for omitting the given pids in output.
78 The special pid %PPID can be used to name the parent process
79 of the pidof, in other words the calling shell or shell script.
85 Send signals to processes by name.
91 ps gives a snapshot of the current processes.
93 config FEATURE_PS_WIDE
94 bool "Enable wide output option (-w)"
98 Support argument 'w' for wide output.
99 If given once, 132 chars are printed, and if given more
100 than once, the length is unlimited.
102 config FEATURE_PS_TIME
103 bool "Enable time and elapsed time output"
105 depends on PS && DESKTOP
107 Support -o time and -o etime output specifiers.
109 config FEATURE_PS_ADDITIONAL_COLUMNS
110 bool "Enable additional ps columns"
112 depends on PS && DESKTOP
114 Support -o rgroup, -o ruser, -o nice output specifiers.
116 config FEATURE_PS_UNUSUAL_SYSTEMS
117 bool "Support Linux prior to 2.4.0 and non-ELF systems"
119 depends on FEATURE_PS_TIME
121 Include support for measuring HZ on old kernels and non-ELF systems
122 (if you are on Linux 2.4.0+ and use ELF, you don't need this)
128 Renice alters the scheduling priority of one or more running
135 Configure kernel parameters at runtime.
141 The top program provides a dynamic real-time view of a running
144 config FEATURE_TOP_CPU_USAGE_PERCENTAGE
145 bool "Show CPU per-process usage percentage"
149 Make top display CPU usage for each process.
152 config FEATURE_TOP_CPU_GLOBAL_PERCENTS
153 bool "Show CPU global usage percentage"
155 depends on FEATURE_TOP_CPU_USAGE_PERCENTAGE
157 Makes top display "CPU: NN% usr NN% sys..." line.
158 This adds about 0.5k.
160 config FEATURE_TOP_SMP_CPU
161 bool "SMP CPU usage display ('c' key)"
163 depends on FEATURE_TOP_CPU_GLOBAL_PERCENTS
165 Allow 'c' key to switch between individual/cumulative CPU stats
166 This adds about 0.5k.
168 config FEATURE_TOP_DECIMALS
169 bool "Show 1/10th of a percent in CPU/mem statistics"
171 depends on FEATURE_TOP_CPU_USAGE_PERCENTAGE
173 Show 1/10th of a percent in CPU/mem statistics.
174 This adds about 0.3k.
176 config FEATURE_TOP_SMP_PROCESS
177 bool "Show CPU process runs on ('j' field)"
181 Show CPU where process was last found running on.
182 This is the 'j' field.
184 config FEATURE_TOPMEM
185 bool "Topmem command ('s' key)"
189 Enable 's' in top (gives lots of memory info).
191 config FEATURE_SHOW_THREADS
192 bool "Support for showing threads in ps/top"
196 Enables ps -T option and 'h' command in top
202 uptime gives a one line display of the current time, how long
203 the system has been running, how many users are currently logged
204 on, and the system load averages for the past 1, 5, and 15 minutes.
210 watch is used to execute a program periodically, showing
211 output to the screen.