Section 16.9. MPO Statistics


16.9. MPO Statistics

The exports kstats from the "lgrp" module of the MPO framework are shown in Table 16.1.

Table 16.1. MPO Lgroup Statistics

Statistic

Description

lwp migrations

# migrations away from this lgrp

alloc fail

# times alloc fails for chosen lgrp

pages migrated from

# pages migrated from this lgrp

pages migrated to

# pages migrated to this lgrp

pages failed to migrate to

# pages failed to migrate to this lgrp

pages failed to migrate from

# pages failed to migrate from this lgrp

pages marked for migration

# pages marked to migrate from this lgrp

pages failed to mark

# pages marked to migrate from this lgrp

default policy

# of times default policy applied

next-touch policy

# of times next touch policy applied

random policy

# of times random policy applied

span process policy

# of times random proc policy applied

span psrset policy

# of times random pset policy applied

round robin policy

# of times round robin policy applied


The statistics can be accessed through the kstat interfaces.

sol9# kstat lgrp module: lgrp                            instance: 1 name:   lgrp1                           class:    misc         alloc fail                      278218728         cpus                            4         crtime                          291.87058224         default policy                  0         load average                    72495         lwp migrations                  0         next-touch policy               689363494         pages avail                     2097152         pages failed to mark            0         pages failed to migrate from    0         pages failed to migrate to      0         pages free                      1778727         pages installed                 2097152         pages marked for migration      0         pages migrated from             0         pages migrated to               0         random policy                   12575460         round robin policy              0         snaptime                        678923.87893152         span process policy             0         span psrset policy              0 





SolarisT Internals. Solaris 10 and OpenSolaris Kernel Architecture
Solaris Internals: Solaris 10 and OpenSolaris Kernel Architecture (2nd Edition)
ISBN: 0131482092
EAN: 2147483647
Year: 2004
Pages: 244

flylib.com © 2008-2017.
If you may any questions please contact us: flylib@qtcs.net