Linux Magic System Request Key Hacks
Documentation for sysrq.c
-Last update: 2007-JAN-06
+Last update: 2007-MAR-14
* What is the magic SysRq key?
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'f' - Will call oom_kill to kill a memory hog process.
-'g' - Used by kgdb on ppc platforms.
+'g' - Used by kgdb on ppc and sh platforms.
'h' - Will display help (actually any other key than those listed
above will display help. but 'h' is easy to remember :-)
'p' - Will dump the current registers and flags to your console.
+'q' - Will dump a list of all running timers.
+
'r' - Turns off keyboard raw mode and sets it to XLATE.
's' - Will attempt to sync all mounted filesystems.