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Monitoring and tuning the system
Managing system performance
Managing and improving system performance
Managing CPU resources
Balancing system work loads
Detecting runaway processes
Monitoring user PATH variables
Identifying heavily loaded system resources
Managing disk resource usage
Managing disk space
Monitoring filesystem use
Balancing filesystem space: moving user directories
Controlling directory size
Selecting a filesystem type
Selecting a logical block size for a vxfs filesystem
Selecting a logical block size for a sfs, s5, or ufs filesystem
Monitoring system performance
Real-time performance monitor (rtpm)
System monitor
Disk usage reports
System performance analysis tools
System activity reporting
Collecting system activity data automatically
Collecting system activity data on demand
Checking file access with sar -a
Checking buffer activity with sar -b
Checking system calls with sar -c
Checking disk activity with sar -d
Checking page-out and memory freeing activity with sar -g
Checking kernel memory allocation activity with sar -k
Checking interprocess communication with sar -m
Checking page-in activity with sar -p
Checking queue activity with sar -q
Checking unused memory with sar -r
Checking filesystem usage with sar -t
Checking CPU use with sar -u
Checking system table status with sar -v
Checking swapping and switching volume with sar -w
Checking terminal activity with sar -y
Checking overall system performance with sar -A
Checking raw system performance data with sar -R
Reporting application turnaround with timex
Kernel profiling
Loading the system profiler (prfld)
Enabling and disabling the sampling mechanism (prfstat)
Collecting profiling data (prfdc, prfsnap)
Formatting the collected data (prfpr)
Displaying and changing parameters
Investigating performance problems
Outline of typical troubleshooting procedure
Samples of performance management procedures
Checking for excess swapping
Checking for disk slowdowns
Checking for modem interrupts
Checking for table overflows
Analyzing disk resources
Analyzing memory resource usage
Shifting the workload to off-hours
Investigating network troubles
Advanced system performance issues
Identifying demand loaded DLKMs
Identifying scheduling problems
Adjusting filesystem parameters
Adjusting CPU resource parameters
Adjusting stack overflow parameters
Adjusting kernel virtual segments for large mappings
Configuring the Dedicated Memory feature
Configuring Dynamically Mapped Shared Memory (DSHM)
Managing large files
Managing Large Physical Memory
Configuring your system for Large Physical Memory
Configuring swap space for systems with Large Physical Memory
Configuring dump space for systems with large physical memory
Quick reference guide to managing performance
Process scheduling
Overview of the process scheduler
Time-Sharing class
Fixed class
Fixed priority class
System class
Effect of priority on swapping
Configuring the scheduler
Default global priorities
Tunable parameters
Time-Sharing parameter table ts_dptbl
Fixed priority parameter table fp_dptbl
Fixed class parameter table fc_dptbl
Kernel-mode parameter table ts_kmdpris
Changing scheduler configuration
Removing a scheduler class
Installing a Time-Sharing scheduler class
Installing a fixed class scheduler class
Installing a fixed priority scheduler class
Changing scheduler parameters with dispadmin
Managing processors and processes
Taking processors online and offline
Binding processes to processors
Placing processors in an exclusive binding mode
Managing dynamically loadable kernel modules
Static modules
Types of dynamically loadable kernel modules
Obtaining information about DLKMs
Determining if a module can be configured as a DLKM
Determining if a DLKM needs to be configured
Determining which DLKMs are currently loaded
Obtaining more information about a specific loaded DLKM
Configuring a dynamically loadable kernel module
Configuring one DLKM
Reconfiguring the entire kernel including all DLKMs
Loading modules
Automatic loading of a DLKM
Demand loading a DLKM
Demand loading DLKMs from a nondefault directory
Resetting the loadable modules search path
Unloading modules
Automatic unloading
Demand unloading a DLKM
Tunable parameters
About tunable parameters
Autotuned parameters
Special case tuning needs
Kernel messages about exceeding system limits
Parameter descriptions and values
Device driver parameters
Direct memory access (DMA) parameters
Dynamically loadable kernel module (DLKM) parameters
Filesystem parameters
Generic filesystem parameters
Buffer cache parameters
CDFS filesystem parameters
DOSFS filesystem parameters
MEMFS filesystem parameters
NAMEFS filesystem parameters
NFS filesystem parameters
SFS filesystem parameters
S5 filesystem parameters
UFS filesystem parameters
VXFS filesystem parameters
Inter-process communication (IPC) parameters
Message queue parameters
Semaphore parameters
Shared memory parameters
I/O parameters
Asynchronous I/O parameters
Keyboard mapping (KBD) parameters
Kernel debugger (KDB) parameters
Kernel memory allocator (KMA) parameters
Networking parameters
Address resolution protocol (ARP) parameters
Compaq Netflex token ring parameters
Internet control message protocol version 4 (ICMPv4) parameters
Internet group management protocol version 4 (IGMP) parameters
Internet protocol version 4 (IPv4) parameters
Transmission Control Protocol (TCP) parameters
User datagram protocol (UDP) parameters
Process limit parameters
General process limit parameters
Resource limit (rlimit) parameters
Processor cache affinity parameters
Security parameters
Audit parameters
Console security parameters
General security parameters
SUM privilege parameters
STREAMS parameters
Timer and scheduler parameters
Virtual memory (VM) parameters
Aging parameters
Dedicated memory parameters
Kernel virtual address space parameters
Page size extension parameters
Paging parameters
Segment driver parameters
Swapping parameters
Database management parameters
Miscellaneous parameters
Obsolete tunable parameters
Obsolete device driver parameters
Obsolete direct memory access (DMA) parameters
Obsolete filesystem parameters
Obsolete generic filesystem parameters
Obsolete inter-process communications (IPC) parameters
Obsolete semaphore parameters
Obsolete shared memory parameters
Obsolete message queue parameters
Obsolete KDB parameters
Obsolete networking parameter values
Obsolete general networking parameters
Obsolete address resolution protocol (ARP) parameters
Obsolete internet control message protocol parameters
Obsolete internet protocol parameters
Obsolete packet routing parameters
Obsolete asynchronous high level datalink control (ASYH) parameters
Obsolete point-to-Point (PPP) parameters
Obsolete TCP parameter values
Obsolete user datagram protocol (UDP) parameters
Obsolete STREAMS parameters
Obsolete timer and scheduler parameters
Obsolete virtual memory (VM) parameters
Obsolete kernel virtual address space parameters
Obsolete paging parameters
Obsolete page size extension parameters
Obsolete miscellaneous parameters