Oracle Enterprise Manager Event Test Reference Manual
Release 9.0.1

Part Number A89872-02
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4
HP-UX Event Tests

The Oracle Enterprise Manager Advanced Event Tests for HP-UX are divided into a series of classes or groupings that will enable you to find the event test you are interested in registering.

The class names and some of the events that you can register within the classes are listed as follows.

Summary of HP-UX Event Tests

The following tables list the HP-UX event tests by class. The full descriptions of the individual event tests follow the tables. The event tests are in alphabetical order.

Table 4-1 CPU Utilization Class Event Tests  
Event Test  Description 

Average CPU Load (1 Minute  

The run queue or the load average is an average of the number of runnable processes waiting for the CPU during the last sixty seconds.

This test checks the load average during the last minute for the CPU(s) specified by the Host CPU(s) parameter, such as CPU0, or * (for all CPUs on the system). If the load average is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Average CPU Load (5 Minute) 

The run queue or the load average is an average of the number of runnable processes waiting for the CPU during the last five minutes.

This test checks the load average during the last five minutes for the CPU(s) specified by the Host CPU(s) parameter, such as CPU0, or * (for all CPUs on the system). If the load average is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Average CPU Load (15 Minutes) 

The run queue or the load average is an average of the number of runnable processes waiting for this CPU during the last 15 minutes.

This test checks the load average during the last 15 minute for the CPU(s) specified by the Host CPU(s) parameter, such as CPU0, or * (for all CPUs on the system). If the load average is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Idle (%)  

Idle (%) is the percentage of time that the CPU was idle and the system did not have an outstanding disk I/O request.

This test checks the percentage of processor time in idle mode for the CPU(s) specified by the Host CPU parameter, such as CPU0, or * (for all CPUs on the system). If the Idle (%) value is less than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Kernel (%) 

Kernel (%) is the portion of time that the CPU is running in system mode.

This test checks the kernel (%) for the CPU(s) specified by the Host CPU(s) parameter, such as CPU0, or * (for all CPUs on the system). If kernel (%) is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Sxbrk (%) 

Sxbrk (%) is the portion of time that CPU is in sxbrk state.

This test checks the sxbrk (%) for the CPU(s) specified by the Host CPU(s) parameter, such as CPU0, or * (for all CPUs on the system). If sxbrk (%) is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

User (%)  

User (%) is the portion of processor time running in user mode.

This test checks the percentage of processor time in user mode for the CPU(s) specified by the Host CPU parameter, such as CPU0, or * (for all CPUs on the system). If the User (%) value is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Wait (%)  

Wait (%) is the percentage of time that the CPU was idle during which the system had an outstanding disk I/O request.

This test checks the percentage of processor time in wait mode for the CPU(s) specified by the Host CPU parameter, such as CPU0, or * (for all CPUs on the system). If the Wait (%) value is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Table 4-2 File System Class Event Tests  
Event Test  Description 

Available (KB) 

Available is the amount of space, in kilobytes, available for the creation of new files by users who do not have super user privileges.

This test checks for available space on the disk specified by the File System Name parameter, such as /, /tmp, or * (for all disks). If the space available is less than or equal to the values specified in the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Used (KB) 

Used is the amount of space (in kilobytes) allocated to existing files.

This test checks for space used on the disk specified by the File System Name parameter, such as /, /tmp, or * (for all file systems). If the space used is greater than or equal to the values specified in the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Utilized (%) 

Utilized is the percentage of space that is currently allocated to all files on the file system.

This test checks for the percentage of space used on the disk specified by the File System Name parameter, such as /, /tmp, or * (for all disks). If the percentage of space used is greater than or equal to the values specified in the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Table 4-3 IPC Class Event Tests  
Event Test  Description 

Number of Message Queues in Use 

Message Queues in Use (#) is the number of message queues currently in use.

This test checks the number of message queues currently in use. If the number is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Number of Semaphore Identifiers in Use 

Semaphore IDs (#) is the number of semaphore identifiers currently in use.

This test checks the number of semaphore identifiers currently in use. If the number is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Number of Shared Memory Segments in Use 

Shared Memory Segments (#) is the number of shared memory segments currently in use.

This test checks the number of shared memory segments currently in use. If the number is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Number of System Message Headers 

System Message Headers (#) is the number of system message headers for all messages.

This test checks the number of system message headers. If the number is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Table 4-4 Memory Class Event Test  
Event Test  Description 

Free Memory (KB) 

Free Memory (KB) is the free physical memory in kilobytes.

This test checks the free physical memory on the system. If the Free Memory (KB) is less than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Table 4-5 Process Class Event Tests  
Event Test  Description 

Number of Threads 

Number of threads is the number of threads in this process.

This test checks the number of threads in the process(es) specified by the process names parameter, such as dbsnmp or * (for all processes running on the system). If the number of threads is greater than or equal to the values specified in the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Percent Memory Used 

Percent Memory Used is the ratio of the resident set size of a process to the physical memory on the machine, expressed as a percentage.

This test checks the percentage memory used by process(es) specified by the process names parameter, such as dbsnmp or * (for all processes running on the system). If the memory used by any one process is greater than or equal to the values specified in the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Resident Size (KB) 

Resident Size is the resident set size of a process, in kilobytes.

This test checks the resident size of the process(es) specified by the process names parameter, such as dbsnmp or * (for all processes running on the system). If the resident size of one process is greater than or equal to the values specified in the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Virtual Size (KB) 

Virtual Size is the total size of a process in virtual memory, in kilobytes.

This test checks the total size of the process(es) specified by the process names parameter, such as dbsnmp or * (for all processes running on the system). If the total size of any one process is greater than or equal to the values specified in the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Table 4-6 System Class Event Tests  
Event Test  Description 

Block I/O Reads (#/s) 

Block I/O Reads is the number of physical block reads per second. Block I/O Reads are generally performed by the kernel to manage the block buffer cache area.

This test checks the block I/O read rate for the CPU(s) specified by the Host CPU parameter, such as CPU0 or * (for all CPUs on the system). If the Block I/O Reads value is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Block I/O Writes (#/s) 

Block I/O Writes is the number of physical block writes per second. Block I/O Writes are generally performed by the kernel to manage the block buffer cache area.

This test checks the block I/O write rate for the CPU(s) specified by the Host CPU parameter, such as CPU0 or * (for all CPUs on the system). If the Block I/O Writes value is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Calls to Syscall() (#/s) 

Calls to syscall() is the number of calls (per second) to the system service routines that perform basic scheduling and synchronizing of activities on the computer.

This test checks the system calls rate for CPU(s) specified by the Host CPU parameter, such as CPU0 or * (for all CPUs on the system). If the System Calls value is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Device Interrupts (#/s) 

Device Interrupts is the number of device interruptions the processor is experiencing per second. These device interruptions can result from devices such as the mouse, network cards, and so on. This metric also measures the activity of those devices are in the overall system environment.

This test checks the device interruptions rate for the CPU(s) specified by the Host CPU parameter, such as CPU0 or * (for all CPUs on the system). If the Device Interrupts value is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Fork System Calls (#/s) 

Fork System Calls is the number of calls fork() per second.

This test checks the calls to system call fork() rate for the CPU(s) specified by the Host CPU parameter, such as CPU0 or * (for all CPUs on the system). If the System Calls value is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Physical I/O Reads (#/s) 

Physical I/O Reads is the number of raw I/O reads per second.

This test checks the physical I/O read rate for the CPU(s) specified by the Host CPU parameter, such as CPU0 or * (for all CPUs on the system). If the Physical I/O Reads value is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Physical I/O Writes (#/s) 

Physical I/O Writes is the number of raw I/O writes per second.

This test checks the physical I/O write rate for the CPU(s) specified by the Host CPU parameter, such as CPU0 or * (for all CPUs on the system). If the Physical I/O Writes value is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Read System Calls (#/s) 

Read System Calls is the number of system calls read() per second.

This test checks the read() system calls rate for CPU(s) specified by the Host CPU parameter, such as CPU0 or * (for all CPUs on the system). If the System Calls value is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Write System Calls (#/s) 

Write System Calls is the number of system calls write() per second.

This test checks the write() system calls rate for CPU(s) specified by the Host CPU parameter, such as CPU0 or * (for all CPUs on the system). If the System Calls value is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Table 4-7 Threads Class Event Tests  
Event Test  Description 

Number of Block Input Operations 

Block Inputs (#/s) is the number of block input operations per second.

This test checks the number of block input operations per second for the thread(s) specified by the Thread ID(s) parameter. (* for all threads running on the system). If the number of messages received is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Number of Block Output Operations 

Block Outputs (#/s) is the number of block output operations per second.

This test checks the number of block output operations per second for the thread(s) specified by the Thread ID(s) parameter. (* for all threads running on the system). If the number of messages received is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Number of Characters Read/Written 

Char Read/Written (#/s) is the number of characters read or written by a thread per second.

This test checks the number of characters read or written per second for the thread(s) specified by the Thread ID(s) parameter. (* for all threads running on the system). If the number of messages received is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Number of Messages Received 

Messages Received (#/s) is the number of messages received per second.

This test checks the number of messages received per second for the thread(s) specified by the Thread ID(s) parameter. (* for all threads running on the system). If the number of messages received is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Number of Messages Sent 

Messages Sent (#/s) is the number of messages sent out per second.

This test checks the number of messages sent per second for the thread(s) specified by the Thread ID(s) parameter. (* for all threads running on the system). If the number of messages sent is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Number of Page Faults Requiring Disk Access 

Page Faults (#/s) is the number of page faults requiring disk access per second.

This test checks the number of page faults per second for the thread(s) specified by the Thread ID(s) parameter. (* for all threads running on the system). If the number of messages received is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Number of Page Reclaims 

Page Reclaims (#/s) is the number of page reclaims by this thread per second.

This test checks the number of page reclaims per second for the thread(s) specified by the Thread ID(s) parameter. (* for all threads running on the system). If the number of messages received is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Number of System Calls 

System Calls (#/s) is the number of system calls per second.

This test checks the number of system calls per second for the thread(s) specified by the Thread ID(s) parameter. (* for all threads running on the system). If the number of messages received is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Table 4-8 Virtual Memory Class Event Tests  
Event Test  Description 

Context Switches (#/s) 

Context Switches/sec is the rate of switches from one thread to another. Thread switches can occur either inside a single process or across processes. A thread switch can happen when one thread requests information from another thread, or when a higher priority thread preempts another thread.

This test checks the number of context switches per second. If the number of context switches is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Forks (#/s) 

Forks (#/s) is the number of calls per second to system call fork().

This event test checks the number of calls per second to system call fork(). If the system calls is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Free Memory (Pages) 

Free Memory is the size of the free list in system pages.

This test checks the size of the free memory on the system. If the size is less than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Interrupts (#/s) 

Interrupts is the number of device interruptions the processor is experiencing per second. Those device interruptions may be caused by system devices such as the mouse, network cards, etc. This metric also indicates how busy those devices are in the overall system environment.

This test checks the system interruptions per second. If the system interruptions per second is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Page Ins (#/s) 

Page Ins is the number of page read ins (read from disk to resolve fault memory references) by the virtual memory manager per second. Along with the page out statistic, this represents the amount of real I/O initiated by the virtual memory manager.

This test checks the number of page read ins per second. If the number of page read ins is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Page Outs (#/s) 

Page Outs is the number of page write outs to disk per second.

This test checks the number of page write outs per second. If the number of page write outs is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Pages Freed (#/s) 

Pages Freed is one of the statistics for the virtual memory management subsystem. This statistic reports on pages placed on the free list by the page stealing daemon. A related statistic is Page Scans per Second. The Page Scans per Second statistic reports on pages per second scanned by the page stealing daemon. 

Pages Swapped In (#/s) 

Pages Swapped In are the total number of page ins from the disk during the interval. This includes pages paged in from paging space and from the file system.

This test checks the number of page ins per second. If the number of page ins is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Pages Swapped Out (#/s) 

Pages Swapped Out is the total number of page outs from the disk during the interval. This includes pages paged out to paging space and to the file system.

This test checks the number of page outs per second. If the number of page outs is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

System Calls (#/s) 

Systems Calls is the number of calls, per second, to the system service routines that perform basic scheduling and synchronizing of activities on the computer.

This test checks the system calls per second. If the system calls per second is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Total Faults (#/s) 

Total Faults per Second measures the number of Page Faults in the processor per second. A page fault occurs when a virtual memory page is referenced by a process and that page is not in the current Working Set of the main memory.

This test checks the number of page faults per second. If the number of page faults is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated. 

Descriptions of HP-UX Event Tests

The HP-UX Event Tests are listed in alphabetical order.

Available (KB)

Description

Available is the amount of space, in kilobytes, available for the creation of new files by users who do not have super user privileges.

This test checks for available space on the disk specified by the File System Name parameter, such as /, /tmp, or * (for all disks). If the space available is less than or equal to the values specified in the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from statvfs.

Parameters
Output

The available space in kilobytes on the file system.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Average CPU Load (1 Minute)

Description

The run queue or the load average is an average of the number of runnable processes waiting for the CPU during the last sixty seconds.

This test checks the load average during the last minute for the CPU(s) specified by the Host CPU(s) parameter, such as CPU0, or * (for all CPUs on the system). If the load average is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from pstat_getdynamic (struct pst_dynamic).

Parameters
Output

Average load for the CPU during the last 1 minute.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Average CPU Load (5 Minutes)

Description

The run queue or the load average is an average of the number of runnable processes waiting for the CPU during the last five minutes.

This test checks the load average during the last five minutes for the CPU(s) specified by the Host CPU(s) parameter, such as CPU0, or * (for all CPUs on the system). If the load average is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from pstat_getdynamic (struct pst_dynamic).

Parameters
Output

Average load for the CPU during the last 5 minutes.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Average CPU Load (15 Minutes)

Description

The run queue or the load average is an average of the number of runnable processes waiting for this CPU during the last 15 minutes.

This test checks the load average during the last 15 minute for the CPU(s) specified by the Host CPU(s) parameter, such as CPU0, or * (for all CPUs on the system). If the load average is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from pstat_getdynamic (struct pst_dynamic).

Parameters
Output

Average load for the CPU during the last 15 minutes.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Block I/O Reads (#/s)

Description

Block I/O Reads is the number of physical block reads per second. Block I/O Reads are generally performed by the kernel to manage the block buffer cache area.

This test checks the block I/O read rate for the CPU(s) specified by the Host CPU parameter, such as CPU0 or * (for all CPUs on the system). If the Block I/O Reads value is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from system call pstat_getprocessor (struct pst_processor).

Parameters
Output

The number of physical block reads per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Block I/O Writes (#/s)

Description

Block I/O Writes is the number of physical block writes per second. Block I/O Writes are generally performed by the kernel to manage the block buffer cache area.

This test checks the block I/O write rate for the CPU(s) specified by the Host CPU parameter, such as CPU0 or * (for all CPUs on the system). If the Block I/O Writes value is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from system call pstat_getprocessor (struct pst_processor).

Parameters
Output

The number of physical block writes per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Calls to Syscall() (#/s)

Description

Calls to syscall() is the number of calls (per second) to the system service routines that perform basic scheduling and synchronizing of activities on the computer.

This test checks the system calls rate for CPU(s) specified by the Host CPU parameter, such as CPU0 or * (for all CPUs on the system). If the System Calls value is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from system call pstat_getprocessor (struct pst_processor).

Parameters
Output

The number of system calls per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Context Switches (#/s)

Description

Context Switches/sec is the rate of switches from one thread to another. Thread switches can occur either inside a single process or across processes. A thread switch can happen when one thread requests information from another thread, or when a higher priority thread preempts another thread.

This test checks the number of context switches per second. If the number of context switches is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from pstat_getvminfo (struct pst_vminfo).

Parameters
Output

The number of context switches per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Device Interrupts (#/s)

Description

Device Interrupts is the number of device interruptions the processor is experiencing per second. These device interruptions can result from devices such as the mouse, network cards, and so on. This metric also measures the activity of those devices are in the overall system environment.

This test checks the device interruptions rate for the CPU(s) specified by the Host CPU parameter, such as CPU0 or * (for all CPUs on the system). If the Device Interrupts value is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from system call pstat_getprocessor (struct pst_processor).

Parameters
Output

The number of device interruptions per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Fork System Calls (#/s)

Description

Fork System Calls is the number of calls fork() per second.

This test checks the calls to system call fork() rate for the CPU(s) specified by the Host CPU parameter, such as CPU0 or * (for all CPUs on the system). If the System Calls value is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from system call pstat_getprocessor (struct pst_processor).

Parameters
Output

The number of calls of fork() per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Forks (#/s)

Description

Forks (#/s) is the number of calls per second to system call fork().

This event test checks the number of calls per second to system call fork(). If the system calls is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from pstat_getvminfo (struct pst_vminfo).

Parameters
Output

The number of calls of fork() per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Free Memory (KB)

Description

Free Memory (KB) is the free physical memory in kilobytes.

This test checks the free physical memory on the system. If the Free Memory (KB) is less than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from system call pstat_getvminfo (struct pst_vminfo).

Parameters
Output

The free physical memory in kilobytes.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Free Memory (Pages)

Description

Free Memory is the size of the free list in system pages.

This test checks the size of the free memory on the system. If the size is less than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from pstat_getvminfo (struct pst_vminfo).

Parameters
Output

The size of the free memory in system pages.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Idle (%)

Description

Idle (%) is the percentage of time that the CPU was idle and the system did not have an outstanding disk I/O request.

This test checks the percentage of processor time in idle mode for the CPU(s) specified by the Host CPU parameter, such as CPU0, or * (for all CPUs on the system). If the Idle (%) value is less than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from pstat_getdynamic (struct pst_dynamic).

Parameters
Output

The percentage of time that the CPU was idle and no outstanding disk I/O request in the last interval.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Interrupts (#/s)

Description

Interrupts is the number of device interruptions the processor is experiencing per second. Those device interruptions may be caused by system devices such as the mouse, network cards, etc. This metric also indicates how busy those devices are in the overall system environment.

This test checks the system interruptions per second. If the system interruptions per second is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from pstat_getvminfo (struct pst_vminfo).

Parameters
Output

The number of device interruptions per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Kernel (%)

Description

Kernel (%) is the portion of time that the CPU is running in system mode.

This test checks the kernel (%) for the CPU(s) specified by the Host CPU(s) parameter, such as CPU0, or * (for all CPUs on the system). If kernel (%) is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from pstat_getdynamic (struct pst_dynamic).

Parameters
Output

The percentage of time that the CPU is running in the system mode in the last interval.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Number of Block Input Operations

Description

Block Inputs (#/s) is the number of block input operations per second.

This test checks the number of block input operations per second for the thread(s) specified by the Thread ID(s) parameter. (* for all threads running on the system). If the number of messages received is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from system call pstat_getlwp (struct lwp_status).

Parameters
Output

The number of block input operations per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Number of Block Output Operations

Description

Block Outputs (#/s) is the number of block output operations per second.

This test checks the number of block output operations per second for the thread(s) specified by the Thread ID(s) parameter. (* for all threads running on the system). If the number of messages received is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from system call pstat_getlwp (struct lwp_status).

Parameters
Output

The number of block output operations per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Number of Characters Read/Written

Description

Char Read/Written (#/s) is the number of characters read or written by a thread per second.

This test checks the number of characters read or written per second for the thread(s) specified by the Thread ID(s) parameter. (* for all threads running on the system). If the number of messages received is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from system call pstat_getlwp (struct lwp_status).

Parameters
Output

The number of characters read or written per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Number of Message Queues in Use

Description

Message Queues in Use (#) is the number of message queues currently in use.

This test checks the number of message queues currently in use. If the number is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from system call pstat_getipc (struct pst_ipcinfo).

Parameters
Output

The number of message queues in use.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Number of Messages Received

Description

Messages Received (#/s) is the number of messages received per second.

This test checks the number of messages received per second for the thread(s) specified by the Thread ID(s) parameter. (* for all threads running on the system). If the number of messages received is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from system call pstat_getlwp (struct lwp_status).

Parameters
Output

The number of messages received per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Number of Messages Sent

Description

Messages Sent (#/s) is the number of messages sent out per second.

This test checks the number of messages sent per second for the thread(s) specified by the Thread ID(s) parameter. (* for all threads running on the system). If the number of messages sent is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from system call pstat_getlwp (struct lwp_status).

Parameters
Output

The number of messages sent per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Number of Page Faults Requiring Disk Access

Description

Page Faults (#/s) is the number of page faults requiring disk access per second.

This test checks the number of page faults per second for the thread(s) specified by the Thread ID(s) parameter. (* for all threads running on the system). If the number of messages received is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from system call pstat_getlwp (struct lwp_status).

Parameters
Output

The number of page faults per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Number of Page Reclaims

Description

Page Reclaims (#/s) is the number of page reclaims by this thread per second.

This test checks the number of page reclaims per second for the thread(s) specified by the Thread ID(s) parameter. (* for all threads running on the system). If the number of messages received is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from system call pstat_getlwp (struct lwp_status).

Parameters
Output

The number of page reclaims per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Number of Semaphore Identifiers in Use

Description

Semaphore IDs (#) is the number of semaphore identifiers currently in use.

This test checks the number of semaphore identifiers currently in use. If the number is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from system call pstat_getipc (struct pst_ipcinfo).

Parameters
Output

The semaphore identifiers currently in use.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Number of Shared Memory Segments in Use

Description

Shared Memory Segments (#) is the number of shared memory segments currently in use.

This test checks the number of shared memory segments currently in use. If the number is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from system call pstat_getipc (struct pst_ipcinfo).

Parameters
Output

The number of shared memory segments currently in use.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Number of System Calls

Description

System Calls (#/s) is the number of system calls per second.

This test checks the number of system calls per second for the thread(s) specified by the Thread ID(s) parameter. (* for all threads running on the system). If the number of messages received is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from system call pstat_getlwp (struct lwp_status).

Parameters
Output

The number of system calls per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Number of System Message Headers

Description

System Message Headers (#) is the number of system message headers for all messages.

This test checks the number of system message headers. If the number is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from system call pstat_getipc (struct pst_ipcinfo).

Parameters
Output

The number of system message headers

Recommended Frequency

5 minutes

User Action

Specific to your site.

Number of Threads

Description

Number of threads is the number of threads in this process.

This test checks the number of threads in the process(es) specified by the process names parameter, such as dbsnmp or * (for all processes running on the system). If the number of threads is greater than or equal to the values specified in the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from system call pstat_getproc (struct pst_status).

Parameters
Output
Recommended Frequency

5 minutes

User Action

Specific to your site.

Page Ins (#/s)

Description

Page Ins is the number of page read ins (read from disk to resolve fault memory references) by the virtual memory manager per second. Along with the page out statistic, this represents the amount of real I/O initiated by the virtual memory manager.

This test checks the number of page read ins per second. If the number of page read ins is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from pstat_getvminfo (struct pst_vminfo).

Parameters
Output

The number of page read ins per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Page Outs (#/s)

Description

Page Outs is the number of page write outs to disk per second.

This test checks the number of page write outs per second. If the number of page write outs is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from pstat_getvminfo (struct pst_vminfo).

Parameters
Output

The number of page write outs per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Pages Freed (#/s)

Description

Pages Freed is one of the statistics for the virtual memory management subsystem. This statistic reports on pages placed on the free list by the page stealing daemon. A related statistic is Page Scans per Second. The Page Scans per Second statistic reports on pages per second scanned by the page stealing daemon.

Data Source

Data obtained from pstat_getvminfo (struct pst_vminfo).

Parameters
Output

The number of pages freed per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Pages Swapped In (#/s)

Description

Pages Swapped In are the total number of page ins from the disk during the interval. This includes pages paged in from paging space and from the file system.

This test checks the number of page ins per second. If the number of page ins is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from pstat_getvminfo (struct pst_vminfo).

Parameters
Output

The number of page ins per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Pages Swapped Out (#/s)

Description

Pages Swapped Out is the total number of page outs from the disk during the interval. This includes pages paged out to paging space and to the file system.

This test checks the number of page outs per second. If the number of page outs is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from pstat_getvminfo (struct pst_vminfo).

Parameters
Output

The number of page outs per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Percent Memory Used

Description

Percent Memory Used is the ratio of the resident set size of a process to the physical memory on the machine, expressed as a percentage.

This test checks the percentage memory used by process(es) specified by the process names parameter, such as dbsnmp or * (for all processes running on the system). If the memory used by any one process is greater than or equal to the values specified in the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from system call pstat_getproc (struct pst_status).

Parameters
Output
Recommended Frequency

5 minutes

User Action

Specific to your site.

Physical I/O Reads (#/s)

Description

Physical I/O Reads is the number of raw I/O reads per second.

This test checks the physical I/O read rate for the CPU(s) specified by the Host CPU parameter, such as CPU0 or * (for all CPUs on the system). If the Physical I/O Reads value is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from system call pstat_getprocessor (struct pst_processor).

Parameters
Output

The number of physical I/O reads per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Physical I/O Writes (#/s)

Description

Physical I/O Writes is the number of raw I/O writes per second.

This test checks the physical I/O write rate for the CPU(s) specified by the Host CPU parameter, such as CPU0 or * (for all CPUs on the system). If the Physical I/O Writes value is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from system call pstat_getprocessor (struct pst_processor).

Parameters
Output

The number of physical I/O writes per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Read System Calls (#/s)

Description

Read System Calls is the number of system calls read() per second.

This test checks the read() system calls rate for CPU(s) specified by the Host CPU parameter, such as CPU0 or * (for all CPUs on the system). If the System Calls value is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from system call pstat_getprocessor (struct pst_processor).

Parameters
Output

The number of read system calls per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Resident Size (KB)

Description

Resident Size is the resident set size of a process, in kilobytes.

This test checks the resident size of the process(es) specified by the process names parameter, such as dbsnmp or * (for all processes running on the system). If the resident size of one process is greater than or equal to the values specified in the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from system call pstat_getproc (struct pst_status).

Parameters
Output
Recommended Frequency

5 minutes

User Action

Specific to your site.

Sxbrk (%)

Description

Sxbrk (%) is the portion of time that CPU is in sxbrk state.

This test checks the sxbrk (%) for the CPU(s) specified by the Host CPU(s) parameter, such as CPU0, or * (for all CPUs on the system). If sxbrk (%) is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from pstat_getdynamic (struct pst_dynamic).

Parameters
Output

The percentage of time that the CPU was in sxbrk state in the last interval.

Recommended Frequency

5 minutes

User Action

Specific to your site.

System Calls (#/s)

Description

Systems Calls is the number of calls, per second, to the system service routines that perform basic scheduling and synchronizing of activities on the computer.

This test checks the system calls per second. If the system calls per second is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from pstat_getvminfo (struct pst_vminfo).

Parameters
Output

The number of system calls per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Total Faults (#/s)

Description

Total Faults per Second measures the number of Page Faults in the processor per second. A page fault occurs when a virtual memory page is referenced by a process and that page is not in the current Working Set of the main memory.

This test checks the number of page faults per second. If the number of page faults is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from pstat_getvminfo (struct pst_vminfo).

Parameters
Output

The number of page faults per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Used (KB)

Description

Used is the amount of space (in kilobytes) allocated to existing files.

This test checks for space used on the disk specified by the File System Name parameter, such as /, /tmp, or * (for all file systems). If the space used is greater than or equal to the values specified in the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from statvfs.

Parameters
Output

The used space in kilobytes on the file system.

Recommended Frequency

5 minutes

User Action

Specific to your site.

User (%)

Description

User (%) is the portion of processor time running in user mode.

This test checks the percentage of processor time in user mode for the CPU(s) specified by the Host CPU parameter, such as CPU0, or * (for all CPUs on the system). If the User (%) value is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from pstat_getdynamic (struct pst_dynamic).

Parameters
Output

Percentage of time that the CPU is running in the user mode in the last interval.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Utilized (%)

Description

Utilized is the percentage of space that is currently allocated to all files on the file system.

This test checks for the percentage of space used on the disk specified by the File System Name parameter, such as /, /tmp, or * (for all disks). If the percentage of space used is greater than or equal to the values specified in the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from statvfs.

Parameters
Output

The percentage of space used on the file system.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Virtual Size

Description

Virtual Size is the total size of a process in virtual memory, in kilobytes.

This test checks the total size of the process(es) specified by the process names parameter, such as dbsnmp or * (for all processes running on the system). If the total size of any one process is greater than or equal to the values specified in the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from system call pstat_getproc (struct pst_status).

Parameters
Output
Recommended Frequency

5 minutes

User Action

Specific to your site.

Wait (%)

Description

Wait (%) is the percentage of time that the CPU was idle during which the system had an outstanding disk I/O request.

This test checks the percentage of processor time in wait mode for the CPU(s) specified by the Host CPU parameter, such as CPU0, or * (for all CPUs on the system). If the Wait (%) value is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from pstat_getdynamic (struct pst_dynamic).

Parameters
Output

Percentage of time that the CPU was idle and wait for disk I/O in the last interval.

Recommended Frequency

5 minutes

User Action

Specific to your site.

Write System Calls (#/s)

Description

Write System Calls is the number of system calls write() per second.

This test checks the write() system calls rate for CPU(s) specified by the Host CPU parameter, such as CPU0 or * (for all CPUs on the system). If the System Calls value is greater than or equal to the threshold values specified by the threshold arguments, and the number of occurrences exceeds the value specified in the "Number of Occurrences" parameter, then a warning or critical alert is generated.

Data Source

Data obtained from system call pstat_getprocessor (struct pst_processor).

Parameters
Output

The number of write system calls per second.

Recommended Frequency

5 minutes

User Action

Specific to your site.


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