The trace overview in Stackdriver Trace displays a snapshot of last-day latency data for your application, and allows you to drill into individual traces for more details.
Note: The data in this view may not be from the previous calendar day. It shows data for the last day on which latency data was collected, within the last 7 days.
The trace overview displays:
- A list of performance insights that can help you understand how to reduce your application latency.
- Lists of the most frequent application requests and RPC calls with their average latencies.
- An analysis report that displays overall latency for requests that make RPC calls, and compares requests in the last day and the previous day.
- A list of the most recent traces with their latency and the time they were made.
View the trace overview
Open the trace overview for your project. This is the default view in Stackdriver Trace. Click the Overview tab to return to this view at any time.
Note: If you enabled Stackdriver Trace within the last day, no latency data appears in the trace overview. Stackdriver Trace prompts you to create a custom analysis report instead.
The Insights panel in the trace overview displays a list of performance insights for your application, if applicable.
The reported insights can help you reduce latency by
addressing common problems in your application. For example, an insight may
report that your application is making too many consecutive calls to the
put() operation and that you may reduce latency if you batch the
Click an insight to view detailed information about it. The Insights section of the Trace Details page gives a description of the potential problem and recommended steps to take.
View frequent requests
The Most Frequent URIs panel in the trace overview displays a list of URIs for the most frequent requests to your application during the last day, along with their average latency.
Click any URI to view a trace list that allows you to browse latency data for matching requests. By default, this list only shows those requests that occurred within the last day. You can adjust the date range to see additional requests.
From the trace list, you can view detailed information about any individual request.
View frequent RPC calls
The Most Frequent RPCs panel in the trace overview displays a list of the most frequent RPC calls made by your application during the last day, along with their average latency.
To browse latency data for requests where the matching RPC call was made, click an RPC name.
View the most recent traces
The Most recent traces panel in the trace overview displays the most recent traces for a project.
Click a trace to view trace details.
View traces across projects
You can set up Stackdriver Trace to show trace spans from projects calling into your target project as well as trace spans from other projects servicing requests for your target project.
See Viewing traces across projects for details.
View the analysis report
The Daily analysis report panel in the trace overview shows an overall view of the latency for requests to your application in the last day, and compares it with latency data for requests from the previous day. This report is automatically generated, and is a simpler version of the full analysis reports that you can create in Stackdriver Trace.
See Analysis Reports for more information on viewing and creating reports in Stackdriver Trace.