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High CPU due to dispatch unit in cisco ASA 5540

sachinuit
Level 1
Level 1

High CPU due to dispatch unit in cisco ASA 5540

ciscoasa# sh processes cpu-usage
PC         Thread       5Sec     1Min     5Min   Process
0805520c   ad5afdf8     0.0%     0.0%     0.0%   block_diag
081a8d34   ad5afa08    82.6%    82.1%    82.3%   Dispatch Unit
083b6c05   ad5af618     0.0%     0.0%     0.0%   CF OIR
08a60aa0   ad5af420     0.0%     0.0%     0.0%   lina_int
08069f06   ad5aee38     0.0%     0.0%     0.0%   Reload Control Thread
08072196   ad5aec40     0.0%     0.0%     0.0%   aaa
08c76f3d   ad5aea48     0.0%     0.0%     0.0%   UserFromCert Thread
080a6f36   ad5ae658     0.0%     0.0%     0.0%   CMGR Server Process
080a7445   ad5ae460     0.0%     0.0%     0.0%   CMGR Timer Process
081a815c   ad5ada88     0.0%     0.0%     0.0%   dbgtrace
0844d75c   ad5ad2a8     0.0%     0.0%     0.0%   557mcfix
0844d57e   ad5ad0b0     0.0%     0.0%     0.0%   557statspoll
08c76f3d   ad5abef8     0.0%     0.0%     0.0%   netfs_thread_init
09319755   ad5ab520     0.0%     0.0%     0.0%   Chunk Manager
088e3f0e   ad5ab328     0.0%     0.0%     0.0%   PIX Garbage Collector
088d72d4   ad5ab130     0.0%     0.0%     0.0%   IP Address Assign
08ab1cd6   ad5aaf38     0.0%     0.0%     0.0%   QoS Support Module
08953cbf   ad5aad40     0.0%     0.0%     0.0%   Client Update Task
093698fa   ad5aab48     0.0%     0.0%     0.0%   Checkheaps
08ab6205   ad5aa560     0.0%     0.0%     0.0%   Quack process
08b0dd52   ad5aa368     0.0%     0.0%     0.0%   Session Manager
08c227d5   ad5a9f78     0.0%     0.0%     0.0%   uauth
08bbf615   ad5a9d80     0.0%     0.0%     0.0%   Uauth_Proxy
08bf5cbe   ad5a9798     0.0%     0.0%     0.0%   SSL
08c20766   ad5a95a0     0.0%     0.0%     0.0%   SMTP
081c0b4a   ad5a93a8     0.0%     0.0%     0.0%   Logger
08c19908   ad5a91b0     0.0%     0.0%     0.0%    Syslog Retry Thread
08c1346e   ad5a8fb8     0.0%     0.0%     0.0%   Thread Logger
08e47c82   ad5a81f0     0.0%     0.0%     0.0%   vpnlb_thread
08f0f055   ad5a7a10     0.0%     0.0%     0.0%   pci_nt_bridge
0827a43d   ad5a7620     0.0%     0.0%     0.0%   TLS Proxy Inspector
08b279f3   ad5a7428     0.0%     0.0%     0.0%   emweb/cifs_timer
086a0217   ad5a7230     0.0%     0.0%     0.0%   netfs_mount_handler
08535408   ad5a7038     0.0%     0.0%     0.0%   arp_timer
0853d18c   ad5a6e40     0.0%     0.0%     0.0%   arp_forward_thread
085ad295   ad5a6c48     0.0%     0.0%     0.0%   Lic TMR
08c257b1   ad5a6a50     0.0%     0.0%     0.0%   tcp_fast
08c28910   ad5a6858     0.0%     0.0%     0.0%   tcp_slow
08c53f79   ad5a6660     0.0%     0.0%     0.0%   udp_timer
080fe008   ad5a6468     0.0%     0.0%     0.0%   CTCP Timer process
08df6853   ad5a6270     0.0%     0.0%     0.0%   L2TP data daemon
08df7623   ad5a6078     0.0%     0.0%     0.0%   L2TP mgmt daemon
08de39b8   ad5a5e80     0.0%     0.0%     0.0%   ppp_timer_thread
08e48157   ad5a5c88     0.0%     0.0%     0.0%   vpnlb_timer_thread
081153ff   ad5a5a90     0.0%     0.0%     0.0%   IPsec message handler
081296cc   ad5a5898     0.0%     0.0%     0.0%   CTM message handler
089b2bd9   ad5a56a0     0.0%     0.0%     0.0%   NAT security-level reconfiguration
08ae1ba8   ad5a54a8     0.0%     0.0%     0.0%   ICMP event handler

 

I want exact troubleshooting.

(1) Steps to follow.

(2) Required configuration

(3) Any good suggestions

(4) Any Tool to troubleshoot.

Suggestions are welcome

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