Health Monitor (Advanced) Form
Use this form to get a detailed performance report of your Virtuoso session and to view various scripts at different intervals to detect non-virtuoso issues, plot charts, and query historical system statistics.
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Tab
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Description
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Main
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Displays all the basic information about the current Virtuoso session and the machine.
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Log
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Displays the information related to log files.
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System
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Displays all the system-related information.
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Options
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Provides options to update the Health Monitor settings.
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Command
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Description
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Start/Stop
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When Start is selected, the Health Monitor is activated.
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Freeze/Unfreeze
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When Freeze is selected, the form freezes at that particular interval. When Unfreeze is selected, it resumes refreshing all the fields on the form.
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Capture
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Captures the pulse and generates a log file with all the data.
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System Monitor
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Launches the System Monitor to monitor information and statistics about the system.
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Main
The following table describes the fields available on the Main tab of the Health Monitor Advanced form.
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Field
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Description
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Description
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Displays information related to the entry command, call chains, and errors.
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Procedure/Machine Information
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Displays all the machine related information. The following fields are listed:
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State: Displays the current state of the Virtuoso process. The following status is displayed:-
R(running) -
S(sleeping) -
D(disk sleep) -
T(stopped) -
t(tracing stop) -
Z(zombie) -
X(dead)
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VmPeak: Displays peak virtual memory size. -
VmSize: Displays the virtual memory size. -
Threads: Displays the number of threads used in the process. -
loadavg: Displays the system load average figures.
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Runtime Callstack
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Displays the present callstack of the program.
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Log
The following table describes the fields available on the Log tab of the Health Monitor Advanced form.
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Field
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Description
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Log Files
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Displays the location of log files.
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Last 100 lines of CDS.log
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Displays the last 100 lines of CDS.log.
In addition to CDS.log, pulse event logs are generated automatically. A pulse event log includes information for the begin/end timing and a link to extra event files containing all details, for example, pulse type, brief description, call stack history, and the analysis result.
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System
The following table describes the fields available on the System tab of the Health Monitor Advanced form.
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Field
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Description
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CPU
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Provides graphical representation based on time and utilization (%) to calculate the CPU performance. Displays the following information:
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Machine: Displays the CPU usage of the machine.-
User: Displays the CPU time used by user space processes. -
System: Displays the CPU time used by the kernel. -
lowait: Displays the time spent waiting for input or output operations. -
Idle: Displays the remaining CPU time that is not used actively.
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Self: Displays the CPU usage of the Virtuoso process.-
CPU: Displays the CPU time used by the Virtuoso process. -
Threads: Displays the number of threads used by the Virtuoso process.
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Memory
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Provides a graphical representation based on time and usage (%) to calculate the memory performance. Displays the following parameters:
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Machine: Displays the total amount of memory available in the machine.-
Used: Displays the total amount of memory used. -
Free: Displays the amount of unused memory. -
Buff: Displays the amount of buffer memory. -
Cache: Displays the amount of cache memory. -
Avail: Displays the amount of memory available for starting new applications without swapping. -
Self: Displays the memory usage of the Virtuoso process. -
VIRT: Displays the total amount of virtual memory used by the Virtuoso process. -
RES: Displays the non-swapped physical memory that is used by the Virtuoso process. -
SHR: Displays the amount of shared memory available in the Virtuoso process.
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Options
The following table describes the fields available on the Options tab of the Health Monitor Advanced form.
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Field
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Description
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Virtuoso Pulse
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Specifies the settings to monitor the Virtuoso Studio pulse measurements when enabled.
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Yellow Light Alert
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Specifies the threshold in seconds of consecutive high similarity call chains to report a concentrated pulse.
Environment variable: virtuosoPulseYellowLightAlert
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Time to Start Auto Logging
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Specifies the threshold level in seconds of continuous Virtuoso Studio alerts or system event alarms to start an auto capture of logs.
Environment variable: autoLogLatency
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Refresh Interval
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Specifies the interval in seconds to trigger a backtrace to get a callstack.
Environment variable: virtuosoPulseRefreshInterval
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System Pulse
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Specifies the settings to monitor the System pulse measurements when enabled.
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Yellow Light Alert
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Specifies the threshold level in seconds of continuous system events to raise a system event alarm.
Environment variable: sysPulseYellowLightAlert
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CPU Utilization
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Specifies the threshold level in percentage of high CPU utilization to report a concentrated pulse.
Environment variable: cpuUtilization
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Memory Utilization
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Specifies the threshold level in percentage of high memory utilization to report a concentrated pulse.
Environment variable: memUtilization
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Refresh Interval
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Specifies the interval in seconds to measure the utilization of system resources.
Environment variable: sysPulseRefreshInterval
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Display
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Specifies the display settings for the Health Monitor form when it is pinned.
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Toolbar
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Specifies the settings for the Health Monitor toolbar:
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Borderless: Displays the Health Monitor without the form header.
Environment variable: toolbarBorderless -
Autohide: Automatically hides the Health Monitor. The Borderless option must be selected for this option to be enabled.
Environment variable: toolbarAutohide
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Related Topics
sysPulseRefreshInterval
virtuosoPulseRefreshInterval
Monitor by Strace Form
Health Monitor Overview
Health Monitor Form
Diagnostic Center Form
Collecting Data Using Health Monitor Tool
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