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2026-03-15 - 06:55
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack6slot0.osadl.org (updated Sun Mar 15, 2026 01:02:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3222399230217,4cyclictest0-21swapper/1421:45:196
3222399230217,4cyclictest0-21swapper/1421:45:196
3222899227207,11cyclictest0-21swapper/1800:27:2910
3222899227207,11cyclictest0-21swapper/1800:27:2810
3221199224209,12cyclictest3600-21qemu-system-x8622:51:1212
3221199224209,12cyclictest3600-21qemu-system-x8622:51:1212
3220899222205,15cyclictest0-21swapper/119:15:261
3220899222205,15cyclictest0-21swapper/119:15:261
3224099214204,7cyclictest0-21swapper/2821:29:2821
3224099214204,7cyclictest0-21swapper/2821:29:2821
3222899214205,4cyclictest37267-21CPU10
3222899214205,4cyclictest37267-21CPU10
3222899214203,8cyclictest3535-21qemu-system-x8622:40:4910
3222899214203,8cyclictest3535-21qemu-system-x8622:40:4910
3224099213197,12cyclictest0-21swapper/2821:53:0521
3224099213197,12cyclictest0-21swapper/2821:53:0421
3222899213202,8cyclictest10562-21sshd23:08:5310
3222899213202,8cyclictest10562-21sshd23:08:5310
3222899211204,5cyclictest0-21swapper/1800:20:5710
3222899211204,5cyclictest0-21swapper/1800:20:5610
3222899211204,5cyclictest0-21swapper/1800:20:5610
3222899210203,5cyclictest14304-21sshd23:41:4510
3222899210203,5cyclictest14304-21sshd23:41:4510
3223999209202,5cyclictest0-21swapper/2720:57:4920
3223999209202,5cyclictest0-21swapper/2720:57:4920
3222899209195,10cyclictest0-21swapper/1822:55:1410
3222899209195,10cyclictest0-21swapper/1822:55:1410
3222899209195,10cyclictest0-21swapper/1822:55:1310
3222899208193,11cyclictest0-21swapper/1823:52:3610
3222899208193,11cyclictest0-21swapper/1823:52:3610
3222899207190,6cyclictest2454-21CPU10
3222899207190,6cyclictest2454-21CPU10
3222899207190,6cyclictest2454-21CPU10
3224099206197,7cyclictest0-21swapper/2823:32:5721
3224099206197,7cyclictest0-21swapper/2823:32:5721
3224099206197,7cyclictest0-21swapper/2823:32:5721
3224099206118,77cyclictest2464-21CPU21
3224099206118,77cyclictest2464-21CPU21
3222899206199,5cyclictest0-21swapper/1822:21:4610
3222899206199,5cyclictest0-21swapper/1822:21:4610
3224099204200,2cyclictest0-21swapper/2822:17:5621
3224099204200,2cyclictest0-21swapper/2822:17:5621
3224099204200,2cyclictest0-21swapper/2822:17:5521
3223999204199,4cyclictest0-21swapper/2719:44:0120
3223999204199,4cyclictest0-21swapper/2719:44:0120
3222899203198,4cyclictest0-21swapper/1822:49:4810
3222899203198,4cyclictest0-21swapper/1822:49:4810
3222899203198,4cyclictest0-21swapper/1822:49:4810
3222899202195,4cyclictest32598-21sshd00:30:3410
3222899202195,4cyclictest32598-21sshd00:30:3410
3222899202195,4cyclictest32598-21sshd00:30:3310
3222599202187,14cyclictest0-21swapper/1521:51:287
3222599202187,14cyclictest0-21swapper/1521:51:287
3224099201186,10cyclictest0-21swapper/2823:52:4121
3224099201186,10cyclictest0-21swapper/2823:52:4021
322399920151,144cyclictest0-21swapper/2722:45:1220
322399920151,144cyclictest0-21swapper/2722:45:1220
322399920151,144cyclictest0-21swapper/2722:45:1120
3222899201193,5cyclictest0-21swapper/1823:57:2010
3222899201193,5cyclictest0-21swapper/1823:57:2010
3222899201193,5cyclictest0-21swapper/1823:57:1910
3222899201189,8cyclictest0-21swapper/1820:30:2010
3222899201189,8cyclictest0-21swapper/1820:30:2010
3222899200193,5cyclictest0-21swapper/1823:27:3510
3222899200193,5cyclictest0-21swapper/1823:27:3410
3220899200193,5cyclictest0-21swapper/119:14:561
3220899200193,5cyclictest0-21swapper/119:14:561
3222899199193,4cyclictest0-21swapper/1822:18:1910
3222899199193,4cyclictest0-21swapper/1822:18:1910
3222899199193,4cyclictest0-21swapper/1822:18:1910
3222899199187,8cyclictest0-21swapper/1823:32:4410
3222899199187,8cyclictest0-21swapper/1823:32:4410
3222899199187,8cyclictest0-21swapper/1823:32:4410
3221199199188,7cyclictest0-21swapper/223:25:5312
3221199199188,7cyclictest0-21swapper/223:25:5212
3222899197192,4cyclictest0-21swapper/1823:50:0810
3222899197189,6cyclictest0-21swapper/1800:06:4310
3222899197189,6cyclictest0-21swapper/1800:06:4310
3222899197188,5cyclictest3544-21CPU10
3222899197188,5cyclictest3544-21CPU10
3222899197188,5cyclictest3544-21CPU10
3221599197187,6cyclictest0-21swapper/622:09:4736
3221599197187,6cyclictest0-21swapper/622:09:4636
3222899196187,7cyclictest0-21swapper/1820:28:3310
3222899196187,7cyclictest0-21swapper/1820:28:3310
3222899196187,7cyclictest0-21swapper/1820:28:3310
3222899196186,8cyclictest0-21swapper/1819:16:5310
3222899196186,8cyclictest0-21swapper/1819:16:5210
3222899196175,12cyclictest0-21swapper/1823:18:4810
3222899196175,12cyclictest0-21swapper/1823:18:4810
3222899196175,12cyclictest0-21swapper/1823:18:4810
322339919592,98cyclictest0-21swapper/2221:34:3515
322339919592,98cyclictest0-21swapper/2221:34:3515
322339919592,98cyclictest0-21swapper/2221:34:3515
3222899195189,4cyclictest0-21swapper/1800:17:2210
3222899195189,4cyclictest0-21swapper/1800:17:2210
3222899195182,11cyclictest0-21swapper/1823:23:0210
3222899195182,11cyclictest0-21swapper/1823:23:0210
3222899195181,8cyclictest0-21swapper/1821:20:3210
3222899195181,8cyclictest0-21swapper/1821:20:3210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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