The amount of memory busTRACE will allow you to allocate depends on how much memory you have in your computer.īusTRACE uses a circular buffer. The larger the buffer, the more I/O activity you will be able to capture. When you click on this field, you are shown a slider where you can adjust the busTRACE capture buffer size. In this case, you can simply disable live capture analysis and the problem will not occur again.s In such a case, busTRACE may automatically stop the capture process and notify you that the system is generating I/O faster than it can process it (see below for a sample screenshot of this notification). For example, fast hard drives being sent a large quantity of I/O activity at a given time. If live capture analysis is enabled, the system could theoretically generate I/O faster than busTRACE can process it.When disabled, busTRACE simply captures the I/O results down in kernel mode and then lets the I/O continue on its way. If you are concerned about any impact capturing I/O activity will have on a performance test you're running, simply disable this feature. Disabling this feature gives you the lowest busTRACE CPU overhead.However, there are times where you might want to disable the feature: Typically you will leave this feature enabled. Once the capture process is stopped, all of the I/O activity captured up to that point will then appear. When busTRACE capture is active, and live capture analysis is disabled, you are not allowed to view I/O activity until after you stop the capture process.
Any I/Os that are captured are simply appended to the I/O Capture List automatically. You can scroll around and view any I/Os of interest. When busTRACE capture is active, and live capture analysis is enabled, you can view I/Os being captured as they occur. One is with "Live" capture analysis enabled the other is with it disabled. This section allows you to adjust your capture buffer settings.īusTRACE can capture and analyze I/O activity in one of two ways. If you want capture settings unique per device, you would select the Unlinked Settings button. Selecting the Linked Settings button causes any device capture setting you change to be applied to all devices. If you don't like our default settings, you can click on the drop list menu item to change the default settings. You can click on the Default Settings button to reset our capture settings back to factory defaults. You can save your capture settings to file or load any previously saved capture settings from file. Click on an area in the picture to learn more about that specific section:
The Capture Settings pane shows you your capture settings.
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