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*** 29,39 ****
\fBpriocntl\fR \fB-e\fR [\fB-c\fR \fIclass\fR] [\fIclass-specific\fR \fIoptions\fR] \fIcommand\fR
[\fIargument(s)\fR]
.fi
.SH DESCRIPTION
- .sp
.LP
The \fBpriocntl\fR command displays or sets scheduling parameters of the
specified process(es). It can also be used to display the current configuration
information for the system's process scheduler or execute a command with
specified scheduling parameters.
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*** 169,179 ****
executes the specified command with the class and scheduling parameters
specified on the command line (\fIarguments\fR are the arguments to the
command). If the \fB-c\fR \fIclass\fR option is omitted the command is run in
the user's current class.
.SH OPTIONS
- .sp
.LP
The following options are supported:
.sp
.ne 2
.na
--- 168,177 ----
*** 494,504 ****
\fItqntm\fR. You can optionally specify a resolution as explained below.
.RE
.SH USAGE
.SS "Real-Time Class"
- .sp
.LP
The real-time class provides a fixed priority preemptive scheduling policy for
those processes requiring fast and deterministic response and absolute
user/application control of scheduling priorities. If the real-time class is
configured in the system, it should have exclusive control of the highest range
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*** 609,622 ****
.LP
The real-time priority, time quantum, and time quantum signal are inherited
across the \fBfork\fR(2) and \fBexec\fR(2) system calls. When using the time
quantum signal with a user defined signal handler across the \fBexec\fR(2)
system call, the new image must install an appropriate user defined signal
! handler before the time quantum expires. Otherwise, unpredicable behavior would
result.
.SS "Time-Sharing Class"
- .sp
.LP
The time-sharing scheduling policy provides for a fair and effective allocation
of the \fBCPU\fR resource among processes with varying \fBCPU\fR consumption
characteristics. The objectives of the time-sharing policy are to provide good
response time to interactive processes and good throughput to \fBCPU\fR-bound
--- 606,618 ----
.LP
The real-time priority, time quantum, and time quantum signal are inherited
across the \fBfork\fR(2) and \fBexec\fR(2) system calls. When using the time
quantum signal with a user defined signal handler across the \fBexec\fR(2)
system call, the new image must install an appropriate user defined signal
! handler before the time quantum expires. Otherwise, unpredictable behavior would
result.
.SS "Time-Sharing Class"
.LP
The time-sharing scheduling policy provides for a fair and effective allocation
of the \fBCPU\fR resource among processes with varying \fBCPU\fR consumption
characteristics. The objectives of the time-sharing policy are to provide good
response time to interactive processes and good throughput to \fBCPU\fR-bound
*** 698,708 ****
.sp
.LP
The time-sharing user priority and user priority limit are inherited across the
\fBfork\fR(2) and \fBexec\fR(2) system calls.
.SS "Inter-Active Class"
- .sp
.LP
The inter-active scheduling policy provides for a fair and effective allocation
of the \fBCPU\fR resource among processes with varying \fBCPU\fR consumption
characteristics while providing good responsiveness for user interaction. The
objectives of the inter-active policy are to provide good response time to
--- 694,703 ----
*** 722,732 ****
the user mode priority of the process when that calculation is made, that is,
every time a process's priority is adjusted. This feature is used by the X
windowing system, which sets this bit for those processes that run inside of
the current active window to give them a higher priority.
.SS "Fair-Share Class"
- .sp
.LP
The fair-share scheduling policy provides a fair allocation of system \fBCPU\fR
resources among projects, independent of the number of processes they own.
Projects are given "shares" to control their entitlement to \fBCPU\fR
resources. Resource usage is remembered over time, so that entitlement is
--- 717,726 ----
*** 748,758 ****
.sp
.LP
The priorities of processes in the fair-share class can be changed in the same
manner as those in the time-share class.
.SS "Fixed-Priority Class"
- .sp
.LP
The fixed-priority class provides a fixed priority preemptive scheduling policy
for those processes requiring that the scheduling priorities do not get
dynamically adjusted by the system and that the user/application have control
of the scheduling priorities.
--- 742,751 ----
*** 831,841 ****
.sp
.LP
The fixed-priority user priority, user priority limit, and time quantum are
inherited across the \fBfork\fR(2) and \fBexec\fR(2) system calls.
.SH EXAMPLES
- .sp
.LP
The following are real-time class examples:
.LP
\fBExample 1 \fRSetting the Class
.sp
--- 824,833 ----
*** 937,947 ****
.fi
.in -2
.sp
.SH EXIT STATUS
- .sp
.LP
The following exit values are returned:
.sp
.LP
For options \fB-d\fR, \fB-l\fR, and \fB-s\fR:
--- 929,938 ----
*** 978,988 ****
.RS 5n
Command could not be executed at the specified priority.
.RE
.SH ATTRIBUTES
- .sp
.LP
See \fBattributes\fR(5) for descriptions of the following attributes:
.sp
.sp
--- 969,978 ----
*** 994,1013 ****
_
CSI Enabled
.TE
.SH SEE ALSO
- .sp
.LP
\fBkill\fR(1), \fBnice\fR(1), \fBps\fR(1), \fBdispadmin\fR(1M), \fBexec\fR(2),
\fBfork\fR(2), \fBpriocntl\fR(2), \fBfx_dptbl\fR(4), \fBprocess\fR(4),
\fBrt_dptbl\fR(4), \fBattributes\fR(5), \fBzones\fR(5), \fBFSS\fR(7)
.sp
.LP
\fISystem Administration Guide: Basic Administration\fR
.SH DIAGNOSTICS
- .sp
.LP
\fBpriocntl\fR prints the following error messages:
.sp
.ne 2
.na
--- 984,1001 ----