| rctl.8 (a5615c90442b10b0d286b8fcf2cfdcc1c2958d58) | rctl.8 (85a2f1b4f240d671dbc127daf344f75ca00cbe2e) |
|---|---|
| 1.\"- 2.\" Copyright (c) 2009 Edward Tomasz Napierala 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 21.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 22.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 23.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 24.\" POSSIBILITY OF SUCH DAMAGE. 25.\" 26.\" $FreeBSD$ 27.\" | 1.\"- 2.\" Copyright (c) 2009 Edward Tomasz Napierala 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 21.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 22.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 23.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 24.\" POSSIBILITY OF SUCH DAMAGE. 25.\" 26.\" $FreeBSD$ 27.\" |
| 28.Dd May 26, 2011 | 28.Dd July 14, 2011 |
| 29.Dt RCTL 8 30.Os 31.Sh NAME 32.Nm rctl 33.Nd display and update resource limits database 34.Sh SYNOPSIS 35.Nm 36.Op Fl h --- 79 unchanged lines hidden (view full) --- 116A filter is a rule for which one of more fields other than per is left empty. 117For example, a filter that matches every rule could be written as ":::=/", 118or, in short, ":". 119A filter that matches all the login classes would be "loginclass:". 120A filter that matches all defined rules for nproc resource would be 121"::nproc". 122.Pp 123.Sh RESOURCES | 29.Dt RCTL 8 30.Os 31.Sh NAME 32.Nm rctl 33.Nd display and update resource limits database 34.Sh SYNOPSIS 35.Nm 36.Op Fl h --- 79 unchanged lines hidden (view full) --- 116A filter is a rule for which one of more fields other than per is left empty. 117For example, a filter that matches every rule could be written as ":::=/", 118or, in short, ":". 119A filter that matches all the login classes would be "loginclass:". 120A filter that matches all defined rules for nproc resource would be 121"::nproc". 122.Pp 123.Sh RESOURCES |
| 124.Bl -column -offset 3n "msgqqueued" 125.It cpu CPU time, in milliseconds 126.It data data size, in bytes 127.It stack stack size, in bytes 128.It core core dump size, in bytes 129.It rss resident set size, in bytes 130.It memlock locked memory, in bytes 131.It nproc number of processes 132.It nofile file descriptor table size 133.It vmem address space limit, in bytes 134.It npts number of PTYs 135.It swap swap usage, in bytes 136.It nthr number of threads 137.It msgqqueued number of queued SysV messages 138.It msgqsize SysV message queue size, in bytes 139.It nmsgq number of SysV message queues 140.It nsem number of SysV semaphores 141.It nsemop number of SysV semaphores modified in a single semop(2) call 142.It nshm number of SysV shared memory segments 143.It shmsize SysV shared memory size, in bytes 144.It wallclock wallclock time, in milliseconds 145.It pctcpu %cpu time | 124.Bl -column -offset 3n "pseudoterminals" 125.It cputime CPU time, in seconds 126.It datasize data size, in bytes 127.It stacksize stack size, in bytes 128.It coredumpsize core dump size, in bytes 129.It memoryuse resident set size, in bytes 130.It memorylocked locked memory, in bytes 131.It maxproc number of processes 132.It openfiles file descriptor table size 133.It vmemoryuse address space limit, in bytes 134.It pseudoterminals number of PTYs 135.It swapuse swap usage, in bytes 136.It nthr number of threads 137.It msgqqueued number of queued SysV messages 138.It msgqsize SysV message queue size, in bytes 139.It nmsgq number of SysV message queues 140.It nsem number of SysV semaphores 141.It nsemop number of SysV semaphores modified in a single semop(2) call 142.It nshm number of SysV shared memory segments 143.It shmsize SysV shared memory size, in bytes 144.It wallclock wallclock time, in seconds |
| 146.El 147.Pp 148.Sh ACTIONS | 145.El 146.Pp 147.Sh ACTIONS |
| 149.Bl -column -offset 3n "msgqqueued" | 148.Bl -column -offset 3n "pseudoterminals" |
| 150.It deny deny the allocation; not supported for cpu and wallclock 151.It log log a warning to the console 152.It devctl send notification to 153.Xr devd 8 154.It sig* e.g. sigterm; send a signal to the offending process 155.El 156.Pp 157See --- 4 unchanged lines hidden (view full) --- 162Attempt to add rule with action not supported by a given resouce will result 163in error. 164.Pp 165Note that limiting RSS may kill the machine due to thrashing. 166.Pp 167.Sh EXIT STATUS 168.Ex -std 169.Sh EXAMPLES | 149.It deny deny the allocation; not supported for cpu and wallclock 150.It log log a warning to the console 151.It devctl send notification to 152.Xr devd 8 153.It sig* e.g. sigterm; send a signal to the offending process 154.El 155.Pp 156See --- 4 unchanged lines hidden (view full) --- 161Attempt to add rule with action not supported by a given resouce will result 162in error. 163.Pp 164Note that limiting RSS may kill the machine due to thrashing. 165.Pp 166.Sh EXIT STATUS 167.Ex -std 168.Sh EXAMPLES |
| 170.Dl rctl -a user:joe:vmem:deny=1g | 169.Dl rctl -a user:joe:vmemoryuse:deny=1g |
| 171.Pp 172Prevent user "joe" from allocating more than 1GB of virtual memory. 173.Pp 174.Dl rctl -r : 175.Pp 176Remove all RCTL rules. 177.Pp 178.Dl rctl -hu jail:www --- 21 unchanged lines hidden --- | 170.Pp 171Prevent user "joe" from allocating more than 1GB of virtual memory. 172.Pp 173.Dl rctl -r : 174.Pp 175Remove all RCTL rules. 176.Pp 177.Dl rctl -hu jail:www --- 21 unchanged lines hidden --- |