How do I Monitor my Azure VM CPU utilization?

Azure virtual machines are monitored based on the parameters or the attributes listed below. These attributes provide information about the functioning of Azure Virtual machines. Using Applications Manager's Azure monitoring tool, you can also configure thresholds to the numerical attributes based on these details and get notified when the thresholds are violated. Learn more about Applications Manager's Virtual machine monitoring tool.

Monitored Parameters

Prerequisites for monitoring Azure VM metrics: Click here

Go to the Monitors Category View by clicking the Monitors tab. Click on  Azure Virtual Machines under the Cloud Apps section. Displayed is the  Azure Virtual Machine bulk configuration view distributed into three tabs:

• Availability tab gives the Availability history for the past 24 hours or 30 days.
• Performance tab gives the Health Status and events for the past 24 hours or 30 days.
• List view enables you to perform bulk admin configurations.

Click on the monitor name to see all the server details listed under the following tabs:

Note:

• Data collection for the following metrics is done via the following methods:

  Metrics to be monitored	Data collection method	Required Privileges
  Azure monitor	Via Azure APIs	---
  Diagnostic Extension	Via Storage Table APIs	Diagnostic Extension should be enabled for the virtual machine. (Windows and Linux)
  Guest OS	Via PowerShell scripts	PowerShell remoting should be enabled.

• Guest OS metrics will be available only for Windows installations of Applications Manager for Windows VMs alone.

Windows Virtual Machines - Monitored Metrics

• Monitor Information
• Overview
• CPU
• Memory
• Disk
• Network
• Threads & Processes
• Services
• Configuration

Linux Virtual Machines - Monitored Metrics

• Overview
• CPU
• Memory
• Disk
• Configuration

Windows Virtual Machines - Monitored Metrics

Monitor Information

Overview

Parameter	Description	Data Collection Method
Azure Monitor	Diagnostic Agent	Guest OS
CPU UTILIZATION
CPU Utilization	Amount of CPU utilized by the virtual machine (in %).
MEMORY UTILIZATION
Memory Utilization	Amount of memory utilized by the virtual machine (in %).
CPU CREDITS (Applicable only for B-series virtual machines)
CPU Credits Consumed	Number of credits consumed by the virtual machine
CPU Credits Remaining	Remaining number of credits available for the virtual machine.

CPU

Parameter	Description	Data Collection Method
Azure Monitor	Diagnostic Agent	Guest OS
PROCESSOR METRICS
Privileged Time	Amount of time for which the processor was running in privileged mode (in %).
User Time	Amount of time for which the processor was running in user mode (in %).
Processor Frequency	Number of times the processor is in running state.

Memory

Parameter	Description	Data Collection Method
Azure Monitor	Diagnostic Agent	Guest OS
MEMORY (COMMITTED vs AVAILABLE)
Committed Bytes	Amount of commited Virtual Memory (in MB).
Available Bytes	Amount of available Physical Memory (in MB).
Committed Bytes In Use	Ratio of Committed Bytes to the Commit Limit (in percentage).
POOL (PAGED vs NONPAGED)
Pool Paged Bytes	Size of the paged pool (in MB).
Pool Nonpaged Bytes	Size of physical memory that cannot be written to disk though it is not in use (in MB).
MEMORY FAULTS
Page Faults/sec	Number of page faults per second.

Disk

Parameter	Description	Data Collection Method
Azure Monitor	Diagnostic Agent	Guest OS
READ THROUGHPUT
OS Disk Read Throughput	Amount of data read from OS disk during monitoring period (in kB/s).
Data Disk Read Throughput	Amount of data read from data disk during monitoring period (in kB/s).
WRITE THROUGHPUT
OS Disk Write Throughput	Amount of data written to OS disk during monitoring period (in kB/s).
Data Disk Write Throughput	Amount of data written to data disk during monitoring period (in kB/s).
DISK I/O OPS
Disk Read Ops	Number of disk read IOPS (in Ops/sec).
Disk Write Ops	Number of disk write IOPS (in Ops/sec).
DISK UTILIZATION
Disk	Disk Partition
Disk Usage	Disk Free space & Used space
Total Size (MB)	Total disk size
Used (%)	Used disk space as percentage
Used (MB)	Used disk space
Free (%)	Free disk space as percentage
Free (MB)	Free disk space
DISK IO STATISTICS
Disk	Disk partition
Transfers/Sec	The number of read/write operations on the disk that occur each second
Writes/sec	The percentage of elapsed time that the disk drive was busy servicing write requests
Reads/Sec	The percentage of elapsed time that the disk drive was busy servicing read requests
% Busy Time	The percentage of time the disk was busy
Average queue length	The average number of both read and write requests that were queued for the disk during the sample interval
DISK SPACING
Disk Name	Name of the hard disk
Disk Size	Total size of the disk

Network

Parameter	Description	Data Collection Method
Azure Monitor	Diagnostic Agent	Guest OS
NETWORK TRAFFIC
Incoming Traffic	Amount of data received on all network interfaces by the virtual machine (in kB/min).
Outgoing Traffic	Amount of data transmitted from all network interfaces by the virtual machine (in kB/min).
NETWORK INTERFACE
Network Interface	The name of the network interface
Speed (MB/s)	The estimate of the current bandwidth in MB/s
Input traffic (kB/s)	The rate at which packets are received on the interface, in kilo bytes per second.
Input Utilization (%)	Input traffic percentage
Output traffic (kB/s)	The rate at which packets are sent on the interface, in kilo bytes per second.
Output Utilization (%)	Output traffic percentage
Inbound Errors	Number of packets that could not be received
Outbound Errors	Number of packets that could not be sent

Threads & Processes

Parameter	Description	Data Collection Method
Azure Monitor	Diagnostic Agent	Guest OS
THREAD STATS
Thread Count	The total number of threads.
Context switches/sec	The total number of context switches per second.
PROCESS STATS
Process count	The total number of processes.
HANDLES
Handle count	The total number of handles

Services

Parameter	Description	Data Collection Method
Azure Monitor	Diagnostic Agent	Guest OS
Service Details
Service Name	Name of the service.
Display Name	Display name of the service set by the user.
Status	Status of the service. (Running, Paused, Stopped, StartPending, PausePending, ContinuePending, or StopPending)
Start Mode	Indicates the mode with which the service was started. (Auto or Manual)

You can also add a new service by clicking over the 'Add New Service' link.

Configuration

Linux Virtual Machines - Monitored Metrics

The below mentioned metrics are monitored for Linux VM:

Overview

Parameter	Description	Data Collection Method
Azure Monitor	Diagnostic Agent	Guest OS
CPU UTILIZATION
CPU Utilization	Amount of CPU utilized by the virtual machine (in %).
CPU CREDITS (Applicable only for B-series virtual machines)
CPU Credits Consumed	Number of credits consumed by the virtual machine
CPU Credits Remaining	Remaining number of credits available for the virtual machine.

CPU

Parameter	Description	Data Collection Method
Azure Monitor	Diagnostic Agent	Guest OS
CPU METRICS
IO Wait Time (%)	Percentage of time that the processor is waiting (i.e. is in an idle state and does nothing), during which there in fact was outstanding disk I/O requests.
Idle Time (%)	Percentage of time that the processor was idle
Processor Time(Linux) (%)	Percentage of time that the processor was used for processing instructions of a computer program or operating system

Memory

Parameter	Description	Data Collection Method
Azure Monitor	Diagnostic Agent	Guest OS
MEMORY DETAILS
Available Memory	The amount of memory available (in GB).
Used Memory	The amount of memory used (in GB).
Available Memory %	Percentage of memory available to the total memory
Used Swap Memory %	Percentage of used swap memory to the total swap memory

Disk

Parameter	Description	Data Collection Method
Azure Monitor	Diagnostic Agent	Guest OS
READ THROUGHPUT
OS Disk Read Throughput	Amount of data read from OS disk during monitoring period (in kB/s).
Data Disk Read Throughput	Amount of data read from data disk during monitoring period (in kB/s).
WRITE THROUGHPUT
OS Disk Write Throughput	Amount of data written to OS disk during monitoring period (in kB/s).
Data Disk Write Throughput	Amount of data written to data disk during monitoring period (in kB/s).
DISK I/O OPS
Disk Read Ops	Number of disk read IOPS (in Ops/sec).
Disk Write Ops	Number of disk write IOPS (in Ops/sec).
DISK IO LATENCY
Average Read Time	Average time taken for a read operation
Average Write time	Average time taken for a write operation
DISK SPACING
Disk Name	Name of the hard disk
Disk Size	Total size of the disk

Configuration

Configuration Table lists Virtual machine details like Status, Location, IP, Network interface, MAC address and Network Security Group.

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