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The File Write tab contains information about the file write operations that occurred during the time of recording.
For information about using the range navigator, see Using the Range Navigator.
The file write events can be presented either by the files written to, by threads that initiated the write event, or both. Switch between modes using the By File, By Thread, and By Event subtabs. Each subtab contains a similar set of panels, providing a list of file write events and details for the selected events.
The top panel in each subtab of the File Write tab (File Writes by File, File Writes by Thread, and All File Writes) contains a table with the list of file write events. Depending on the subtab, this table can contain the following columns:
Path or Thread: Either the path of the file to which data is written, or the thread that initiated the write operation.
Duration: The duration of the write operations for the file or thread.
Bytes Written: The total size of data written to the file.
Number of Writes: The number of times that data was written to the file.
To filter the table entries, select the column on which you want to filter and then specify the filtering string. You can use wildcards in the filtering string and specify a regular expression by prepending it with regexp:
. If the table contains numeric values, you can specify a logical expression using the comparison operators (<
, <=
, >
, >=
), the AND operator (&&
), and the OR operator (||
).
For information about working with tables, see Working with Tables.
The File Writes over Time panel contains a graph that shows the amount of data written over time. Depending on the opened subtab of the File Write tab, this graph shows written data size for the selected file, selected thread, or selected event.
The File Write Trace Tree contains a table with the stack trace for the selected file, thread, or event. It also shows the number of write operations for each method on the stack.