Analyzing transaction file request activity
You can analyze the file request activity for a transaction ID and display the output as a pie chart or a timeline chart. You can analyze the file request activity for multiple transaction IDs and display the output as a bar chart.
Pie chart
The File request activity pie chart is displayed in the Transaction detail view and shows an analysis summary for a specific transaction ID over a time interval.
To display a File request activity pie chart, see Pie charts and select the File request activity thumbnail.
This chart shows the number and type of file requests that the transaction issued. A breakdown of the file-related I/O wait times and their relationship with the total suspend time for the transaction is also shown.

- A summary of the Transaction ID in the time period chosen, including
the following information:
- The number of transactions
- The average response time
- The average suspend time per transaction
- A pie chart with a number of sectors; one for each type of file
request that has a value to show. You can click an area in the pie
chart to highlight the relevant entry in the table.
You can use the check boxes to hide irrelevant data from the table.
- A table that shows the file request types and the following values
for each one:
- Total count average
- The percentage of the count relative to the total
- A table that shows the file-related I/O wait times and their relationship with the total suspend time.
Bar chart
The File request activity bar chart shows summary information for multiple transaction IDs. The transaction IDs are displayed in the order in which they are shown in the selection.
To display a File request activity bar chart, see Bar charts and select the Filer request activity option.

- The view title shows the source of the data and the analysis type.
- The information line shows the selection criteria for the data the records were selected from, for example, APPLID and time period.
- Legend icon
. Click this icon to display the chart legend for the segments in the current chart.
- A stacked bar for each selected transaction ID. Each bar in a stack has one or more segments to represent different types of file request. You can hover over a segment to show the file request type and its average count.
To change the time scale on the vertical axis of the chart and show more detail, you can use the zoom bar.
To analyze a transaction ID further, right-click a bar, then use the menu options to select a performance summary (pie chart) or timeline analysis.
Timeline chart
A timeline chart displays all instances of a transaction ID in the selected APPLID across either all the data, or the data in a specified period.
To display a File request activity timeline chart, see Timeline charts and select the File request activity option.
- The view title shows the source of the data and the analysis type.
- The information line shows the selection criteria for the data the records were selected from, for example, APPLID, transaction ID, and time period.
- Legend icon
. Click this icon to display the chart legend for the segments in the current chart.
- Stacked bars consist of one bar for each instance of the selected transaction ID in the APPLID. Each bar in a stack consists of one or more segments to represent different types of file request. You can hover over a segment to show the file request type and its average count.
To change the time scale on the vertical axis of the chart and show more detail, you can use the zoom bar.
To analyze an instance of a transaction further, right-click a bar, then use the menu options to select a performance summary (pie chart) or timeline analysis.