Solaris mdb magic: Difference between revisions

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==Memory usage==
==Memory usage==
<code>
<pre>
# echo ::memstat|mdb -k
# echo ::memstat|mdb -k
Page Summary                Pages                MB  %Tot
Page Summary                Pages                MB  %Tot
Line 15: Line 15:
Total                    4167561            16279
Total                    4167561            16279
Physical                  4078747            15932
Physical                  4078747            15932
</code>
</pre>


==Kernelparameter abfragen==
==Kernelparameter abfragen==
Syntax: echo '<Parameter>/D' | mdb -k
Syntax: echo '<Parameter>/D' | mdb -k
<code>
<pre>
# echo 'ncsize/D' | mdb -k
# echo 'ncsize/D' | mdb -k
ncsize:
ncsize:
ncsize:        70485
ncsize:        70485
</code>
</pre>


==Kernelparameter setzen==
==Kernelparameter setzen==
Syntax: echo '<Parameter>/W<Value>' | mdb -wk
Syntax: echo '<Parameter>/W<Value>' | mdb -wk
<code>
<pre>
# echo 'do_tcp_fusion/W0' | mdb -wk
# echo 'do_tcp_fusion/W0' | mdb -wk
do_tcp_fusion:  0              =      0x0
do_tcp_fusion:  0              =      0x0
</code>
</pre>


[[Kategorie:Solaris]]
[[Kategorie:Solaris]]

Revision as of 08:50, 23 May 2012

Verschiedene kleine mdb Tricks

Memory usage

# echo ::memstat|mdb -k
Page Summary                Pages                MB  %Tot
------------     ----------------  ----------------  ----
Kernel                    2855874             11155   69%
Anon                        50119               195    1%
Exec and libs                4754                18    0%
Page cache                  22972                89    1%
Free (cachelist)            11948                46    0%
Free (freelist)           1221894              4773   29%

Total                     4167561             16279
Physical                  4078747             15932

Kernelparameter abfragen

Syntax: echo '<Parameter>/D' | mdb -k

# echo 'ncsize/D' | mdb -k
ncsize:
ncsize:         70485

Kernelparameter setzen

Syntax: echo '<Parameter>/W<Value>' | mdb -wk

# echo 'do_tcp_fusion/W0' | mdb -wk
do_tcp_fusion:  0               =       0x0

Kategorie:Solaris