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Cisco Bug: CSCut10387 - Improve Documentation for show processes memory

Last Modified

Nov 09, 2016

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases

9.0(3)

Description (partial)

Symptom:
The output of 'show processes memory' does not seem to make sense, because the number of memory frees is more than the number of memory allocations for some processes.

Conditions:
The ASA runs as a single process with many different threads of execution.  The output of this command actually shows memory allocations and frees on a per-thread basis.  Since these threads work in cooperation on data flows and other operations pertinent to operation of the ASA, one thread may allocate a block of memory while a different thread may free it.  Therefore the per-thread information is useful only to Cisco support personnel.

The last row of output contains the total counts over all threads.  This row, and only this row, may be used to track potential memory leaks, by monitoring the difference between allocations and frees.
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