powerpc/pseries: Add dispatch dispersion statistics
authorAnton Blanchard <anton@samba.org>
Tue, 31 Mar 2009 20:12:44 +0000 (20:12 +0000)
committerPaul Mackerras <paulus@samba.org>
Tue, 7 Apr 2009 05:18:59 +0000 (15:18 +1000)
commit0559f0a7611bdd336b7297dce179f793b565f148
tree9236baea733c3a4f27036988ec16fba8f0ca3897
parent1f8737aab39e15684bf6b6b53586b7c89a269f79
powerpc/pseries: Add dispatch dispersion statistics

PHYP tells us how often a shared processor dispatch changed physical cpus.
This can highlight performance problems caused by the hypervisor.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
arch/powerpc/include/asm/lppaca.h
arch/powerpc/kernel/lparcfg.c