Overview

APM Agents regularly collect performance metrics about apps, including the number of active devices, network error rate, startup time, and the number of crashes, ANRs, and errors. The Overview page displays the number of active devices, network error rate, startup response time, crash rate, ANR rate, and error rate.

Procedure

Log in to the management console.
Click on the left and choose Management & Governance > Application Performance Management.
In the navigation pane on the left, choose App Monitoring > Overview.

Select an application from the drop-down list in the upper left corner of the page. In the upper right corner of the page, select a time range. Default: Last 20 minutes.

The metrics displayed on the Overview page include the number of active devices, network error rate, startup time, and number of crashes, ANRs, and errors.

**Table 1** Overview parameters
Parameter	Description
Active Devices	Number of active devices.
Network Error Rate	Network error rate = Number of error packets/Total number of packets × 100%
Avg. Startup Time	Average response time for app startup.
Crash Rate	Crash rate = Number of app crashes/Total number of devices × 100%
ANR Rate	ANR rate = Number of app ANRs/Total number of devices × 100%
Error Percentage	Error percentage = Number of app errors/Total number of devices × 100%

Active Devices

Move the cursor to the corresponding graph. The total number of devices at the specified time point will be displayed.

**Table 2** Parameter related to active devices
Parameter	Description
Total Devices	Total number of active devices.

Network Error Rate

Move the cursor to the corresponding graph. The API failure rate at the specified time point will be displayed.

**Table 3** Parameter related to the network error rate
Parameter	Description
Error Rate	Error rate = Number of failed APIs/Total number of APIs × 100%

Avg. Startup Time

Move the cursor to the corresponding graph. The average startup time at the specified time point will be displayed.

**Table 4** Parameter related to the startup time
Parameter	Description
Avg. Response Time	Average response time for app startup.

Crashes

Move the cursor to the corresponding graph. The total number of crashes at the specified time point will be displayed.

**Table 5** Parameter related to crashes
Parameter	Description
Total Crashes	Total number of app crashes.

ANRs

Move the cursor to the corresponding graph. The total number of ANRs at the specified time point will be displayed.

**Table 6** Parameter related to ANRs
Parameter	Description
Total ANRs	Total number of app ANRs.

Errors

Move the cursor to the corresponding graph. The total number of errors at the specified time point will be displayed.

**Table 7** Parameter related to errors
Parameter	Description
Total Errors	Total number of app errors.

Parent topic: App Monitoring

Previous topic: App List

Next topic: Crashes

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