diff options
| -rw-r--r-- | analysis.gnumeric | bin | 0 -> 3724 bytes | |||
| -rw-r--r-- | writeup | 94 |
2 files changed, 94 insertions, 0 deletions
diff --git a/analysis.gnumeric b/analysis.gnumeric Binary files differnew file mode 100644 index 0000000..c490fc5 --- /dev/null +++ b/analysis.gnumeric @@ -0,0 +1,94 @@ +I have done some measurements + +Measurements of bandwidth usage: + +This branch here: + + http://cgit.freedesktop.org/~sandmann/xf86-video-qxl/log/?h=trackimages + +will produce various types of information in the X log file when the +option "EnableImageStats" is given in xorg.conf. Specifically, it will +track whenever an operation triggers a fallback and record the number +of (uncompressed) bytes in the resulting image upload along with a +reason that the fallback happened. + +This repository: + + http://cgit.freedesktop.org/~sandmann/imganalysis/tree/ + +contains a Python script that will read the resulting X log files and +do some rudimentary analysis on it. There is also a set of log files +generated as follows: + +cnn.log: + - Log in + - Open Firefox + - Go to www.cnn.com + +pinterest.log: + - Log in + - Open Firefox + - Go to pinterest.com + - Scroll down for a good while (the site has inifinte scrolling) + +oofice.log: + - Log in + - Open OpenOffice writer + - Open this document: + http://www.freedesktop.org/~sandmann/tutorialOOoBase.odt + - Scroll to the end + +Each type of log file exists with image caching turned on and +off. Caching of *fallback* images was turned on in all cases. + +The results, somewhat massaged show that + + + + + +generated by going to the web sites www.cnn.com and www.pinterest.com +and scrolling down, and from starting OpenOffice + + Repeat these with 64, 256 MB of video memory: + +- Log in +- Open firefox +- Go to pinterest.com + +- Log in +- Open firefox +- Go to cnn.com + +- Log in +- Open firefox +- Go to reddit.com + +- Log in +- Open OpenOffice +- Open some document (tutorialOobase) + + + + according to: + + - + + +This tree: + + http://cgit.freedesktop.org/~sandmann/imganalysis/tree/ + +contains some X log files generated with this branch: + +of the QXL driver and a script to analyze those log files. + + + + + + + +Using this script: + + http://cgit.freedesktop.org/~sandmann/imganalysis/tree/
\ No newline at end of file |