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System Administration Guide: Advanced Administration     Oracle Solaris 11 Express 11/10
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Document Information

Preface

1.  Managing Terminals, Modems and Serial Port Services (Tasks)

2.  Displaying and Changing System Information (Tasks)

3.  Scheduling System Tasks (Tasks)

4.  Managing System Processes (Tasks)

5.  Monitoring System Performance (Tasks)

What's New in Managing System Performance?

LatencyTOP Performance Tuning Utility

Where to Find System Performance Tasks

System Performance and System Resources

Processes and System Performance

About Monitoring System Performance

Monitoring Tools

Displaying System Performance Information (Task Map)

Displaying Virtual Memory Statistics (vmstat)

How to Display Virtual Memory Statistics (vmstat)

How to Display System Event Information (vmstat -s)

How to Display Swapping Statistics (vmstat -S)

How to Display Interrupts Per Device (vmstat -i)

Displaying Disk Utilization Information (iostat)

How to Display Disk Utilization Information (iostat)

How to Display Extended Disk Statistics (iostat -xtc)

Displaying Disk Space Statistics (df)

How to Display Disk Space Information (df -k)

Monitoring System Activities (Task Map)

Monitoring System Activities (sar)

How to Check File Access (sar -a)

How to Check Buffer Activity (sar -b)

How to Check System Call Statistics (sar -c)

How to Check Disk Activity (sar -d)

How to Check Page-Out and Memory (sar -g)

Checking Kernel Memory Allocation

How to Check Kernel Memory Allocation (sar -k)

How to Check Interprocess Communication (sar -m)

How to Check Page-In Activity (sar -p)

How to Check Queue Activity (sar -q)

How to Check Unused Memory (sar -r)

How to Check CPU Utilization (sar -u)

How to Check System Table Status (sar -v)

How to Check Swapping Activity (sar -w)

How to Check Terminal Activity (sar -y)

How to Check Overall System Performance (sar -A)

Collecting System Activity Data Automatically (sar)

Running the sadc Command When Booting

Running the sadc Command Periodically With the sa1 Script

Producing Reports With the sa2 Shell Script

Setting Up Automatic Data Collection (sar)

How to Set Up Automatic Data Collection

6.  Troubleshooting Software Problems (Tasks)

7.  Managing Core Files (Tasks)

8.  Managing System Crash Information (Tasks)

9.  Troubleshooting Miscellaneous System Problems (Tasks)

Index

About Monitoring System Performance

While your computer is running, counters in the operating system are incremented to track various system activities.

System activities that are tracked are as follows:

Monitoring Tools

The Oracle Solaris software provides several tools to help you track how your system is performing. The following table describes these tools.

Table 5-3 Performance Monitoring Tools

Command
Description
For More Information
cpustat and cputrack commands
Monitors performance of a system or a process using CPU performance counters.
netstat and nfsstat commands
Displays information about network performance.
ps and prstat commands
Displays information about active processes.
sar and sadc commands
Collects and reports on system activity data.
swap command
Displays information about available swap space on your system.
vmstat and iostat commands
Summarizes system activity data, such as virtual memory statistics, disk usage, and CPU activity.
cputrack and cpustat commands
Assists in accessing hardware performance counter facilities provided by microprocessors.
cputrack(1) and cpustat(1M) man pages
kstat and mpstat commands
Examines the available kernel statistics, or kstats, on the system and reports those statistics which match the criteria specified on the command line. The mpstat command reports processor statistics in tabular form.
kstat(1M) and mpstat(1M) man pages.