Hi, On Wednesday 13 February 2008, Nate DeSimone wrote: > I'm fairly new to Virtual Box so please bear with me. I am currently > doing research that requires me to monitor hard disk access for various > software environments. I noticed that Virtual Box already has a > statistics engine built in, and that statistics are outputted to the end > of the log file. Is there any way to get more detailed information, > like if the access was a read or a write, and when the access occurred? > > What I would like to do is monitor the size of hard disk access bursts, > separately for both reads and writes. > > Is there functionality in Virtual Box for this more advanced data > gathering, and if not how would I go about adding it? I have already > downloaded Virtual Box's source code and built myself binaries.
I advise you to check out the SVN version which is newer than the last OSE 1.5.4 sources. VBox has a concept of statistics couters. See include/VBox/stam.h. The SVN version even has a statistics page which can display some of these statistics counters (the *REL* [=release] counters). You can also build a profile version. The GUI in the profile mode contains a statistics page which displays _all_ statistics counters of VBox. To build the profile version of VBox (which is a little bit slower than the normal version), do ./configure and then manually edit the resulting env.sh and replace BUILD_TYPE=release by BUILD_TYPE=profile I will add a --build-profile switch to make this easier. Kind regards, Frank -- Dr.-Ing. Frank Mehnert innotek GmbH, http://www.innotek.de
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