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Dshell Troubleshooting Troubleshooting the Switch System
page 1-14 OmniSwitch Troubleshooting Guide September 2005
%o0 = 490f9e0 %o1 = 0 %o2 = 0
%o3 = 0 %o4 = 0 %o5 = 0
%sp = 490f920 %o7 = 0
value = 76612560 = 0x49103d0
Certified: [Kernel]->
To troubleshoot a CPU or memory spike with 5.1.5.X, you can start a software routine in dshell and it will
log the task name to the swlog whenever there is a spike in CPU or memory usage.
Switch/> dshell
Certified: [Kernel]->lkup "Hog"
catchCpuHog 0x00152700 text => to turn on CPU watch
catchMemHog 0x0013fa80 text => to turn on Memory watch
releaseCpuHog 0x00152720 text => to turn off CPU watch
releaseMemHog 0x0013fb60 text => to turn off Memory watch
value = 58685232 = 0x37f7730
Certified: [Kernel]->
To troubleshoot a problem related to stack overflow:
Working: [Kernel]->checkStack
NAME ENTRY TID SIZE CUR HIGH MARGIN
------------ ------------ -------- ----- ----- ----- ------
tExcTask excTask 7525070 19992 960 4344 15648
tLogTask logTask 751f750 8184 976 2176 6008
tPingTmo854 0x0000103d60 3d9c580 8184 800 1068 7116
tShell shell 3c13ef0 19048 6368 8644 10404
tWdbTask 0x0000168200 7395dc0 7904 1392 2060 5844
IPC_tick IPC_tick 6efb040 32760 800 4952 27808
tCsCSMtask2 csCsmHelloBa 7214c40 19992 1200 4264 15728
tCS_PTB csPtbMain 5ca5960 8184 800 5152 3032
tCS_CCM csCcmMain 720f8e0 13312 1632 9436 3876
tCS_PRB csPrbMain 720bc50 9320 1504 5588 3732
tCS_CMS csCmsMain 7209240 8176 1872 3044 5132
tCS_HSM csHsmMain 7206f20 29320 1472 7556 21764
tCsCSMtask csCsmMain 5cb2240 29320 2304 14516 14804
tCsCSMtask3 csCsmChecksu 5caaa40 19984 848 6724 13260
tAioIoTask1 aioIoTask 7508450 28664 944 1136 27528
tAioIoTask0 aioIoTask 7501180 28656 944 1136 27520
tNetTask netTask 74040a0 14992 944 5204 9788
tIpedrMsg ipedrKernelM 4d4a7a0 19984 944 2828 17156
tTrapPing 0x0005b89e60 3aa7830 19984 2864 3172 16812
OmniSwitch 7700/7800/8800 Dshell Task Definitions
tExcTask Exception Handling Task
tLogTask Log Task
tShell Shell Task
tWdbTask Wind Debug Agent
IPC_tick IPC ticks
tSpyTask Spy Task monitor the system utilization
tAioIoTask1 Asynchronous I/O Support