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Slávek Banko
5cc26ceed3
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11 years ago | |
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CMakeLists.txt | 13 years ago | |
Makefile.am | 11 years ago | |
README | 13 years ago | |
kstartperf.cpp | 12 years ago | |
libkstartperf.c | 13 years ago |
README
** kstartperf: startup time measurement for KDE apps ** ** Usage: kstartperf measures startup time for TDE applications. Usage is simple: $ kstartperf konsole will show you the startup time of konsole in milliseconds. ** How does it work? 1. Kstartperf stores the current time with microsecond resolution in an environment variable ($KSTARTPERF). 2. Kstartperf executes the requested application, but with a LD_PRELOAD library that overrides the X11 XMapWindow() function. 3. As soon as the app calls XMapWindow (this is the point where we assume that the app has "started up"), our function is called instead of the original XMapWindow(). This function calculates the time difference between the current time and the time stored in the environment variable and prints this information to standard error. 4. Our function disables itself and calls the original XMapWindow(). ** Notes The appliation that is being profiled, needs to be linked against tdecore. Geert Jansen <jansen@kde.org>, 20 July 2000