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2026-06-02 - 14:50
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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 Tue Jun 02, 2026 13:02:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3944599208198,8cyclictest0-21swapper/209:15:1512
3944599208198,8cyclictest0-21swapper/209:15:1512
3944599208198,8cyclictest0-21swapper/209:15:1512
3944599203191,9cyclictest0-21swapper/210:40:1112
3944599203191,9cyclictest0-21swapper/210:40:1012
3944599203191,9cyclictest0-21swapper/210:40:1012
394729919617,173cyclictest1442-21gdbus12:00:2018
394729919617,173cyclictest1442-21gdbus12:00:1918
3944599196188,4cyclictest37263-21CPU12
3944599196188,4cyclictest37263-21CPU12
3944599196188,4cyclictest37263-21CPU12
3944399196174,13cyclictest0-21swapper/012:05:020
3944399196174,13cyclictest0-21swapper/012:05:010
3945999193151,39cyclictest0-21swapper/1512:34:227
3945999193151,39cyclictest0-21swapper/1512:34:227
3944799193190,2cyclictest0-21swapper/412:00:2134
3944799193190,2cyclictest0-21swapper/412:00:2034
3946699191122,59cyclictest0-21swapper/2009:05:2313
3946699191122,59cyclictest0-21swapper/2009:05:2313
3944599191180,8cyclictest0-21swapper/211:34:1212
3944599191180,8cyclictest0-21swapper/211:34:1212
3944599191178,9cyclictest37268-21CPU12
3948599190184,4cyclictest0-21swapper/3711:28:4631
3948599190184,4cyclictest0-21swapper/3711:28:4631
3948599190184,4cyclictest0-21swapper/3711:28:4531
39475991871,181cyclictest0-21swapper/2809:40:1521
39475991871,181cyclictest0-21swapper/2809:40:1521
39475991871,181cyclictest0-21swapper/2809:40:1421
3944899187182,3cyclictest0-21swapper/512:05:1935
3944899187182,3cyclictest0-21swapper/512:05:1835
39443991871,4cyclictest24997-21cstates08:25:170
39443991871,4cyclictest24997-21cstates08:25:160
3945099186132,34cyclictest37354-21CPU37
3945099186132,34cyclictest37354-21CPU37
3945099186132,34cyclictest37354-21CPU37
3944599186163,16cyclictest25005-21gdbus11:37:1512
3944599186163,16cyclictest25005-21gdbus11:37:1412
39476991841,3cyclictest0-21swapper/2912:00:0122
39476991841,3cyclictest0-21swapper/2912:00:0022
39476991841,3cyclictest0-21swapper/2912:00:0022
3945099184169,13cyclictest0-21swapper/709:29:4437
3945099184169,13cyclictest0-21swapper/709:29:4437
39449991841,157cyclictest0-21swapper/612:00:0236
39449991841,157cyclictest0-21swapper/612:00:0136
39449991841,157cyclictest0-21swapper/612:00:0136
3944599184152,20cyclictest13185-21chrt10:20:0412
3944599184152,20cyclictest13185-21chrt10:20:0412
3944599184152,20cyclictest13185-21chrt10:20:0312
3945299182165,6cyclictest3535-21qemu-system-x8608:30:3139
3945299182165,6cyclictest3535-21qemu-system-x8608:30:3039
3944599182173,7cyclictest0-21swapper/209:29:2512
3944599182173,7cyclictest0-21swapper/209:29:2412
3944599182169,10cyclictest12346-21sshd11:00:1312
3944599182169,10cyclictest12346-21sshd11:00:1312
3944599181174,5cyclictest0-21swapper/211:50:1412
3944599181174,5cyclictest0-21swapper/211:50:1412
3944599181163,15cyclictest0-21swapper/210:00:0112
3944599181163,15cyclictest0-21swapper/210:00:0112
3947999180175,3cyclictest0-21swapper/3112:00:1125
3947999180175,3cyclictest0-21swapper/3112:00:1125
394729918070,106cyclictest2447-21CPU18
394729918070,106cyclictest2447-21CPU18
39459991802,3cyclictest3544-21CPU7
39459991802,3cyclictest3544-21CPU7
3945299180165,5cyclictest0-21swapper/910:59:1339
3945299180165,5cyclictest0-21swapper/910:59:1239
3944599180166,12cyclictest0-21swapper/209:43:0412
3944599180166,12cyclictest0-21swapper/209:43:0412
3944599180166,12cyclictest0-21swapper/209:43:0312
3945299179164,6cyclictest0-21swapper/911:35:4439
3945299179164,6cyclictest0-21swapper/911:35:4439
3948299178173,3cyclictest17484-21nfsd11:55:2128
3948299178173,3cyclictest17484-21nfsd11:55:2128
3948299178173,3cyclictest17484-21nfsd11:55:2028
3944599178107,62cyclictest3541-21CPU12
3948399177172,2cyclictest0-21swapper/3509:00:2929
3946199177167,8cyclictest0-21swapper/1711:13:179
3946199177167,8cyclictest0-21swapper/1711:13:179
39459991771,3cyclictest0-21swapper/1509:25:157
39459991771,3cyclictest0-21swapper/1509:25:147
3944599177171,4cyclictest0-21swapper/210:10:1912
3944599177171,4cyclictest0-21swapper/210:10:1812
3944599177171,4cyclictest0-21swapper/210:10:1812
39475991761,85cyclictest0-21swapper/2808:20:1621
39475991761,85cyclictest0-21swapper/2808:20:1521
3947599176124,49cyclictest0-21swapper/2811:14:3521
3947599176124,49cyclictest0-21swapper/2811:14:3521
3944399176136,37cyclictest0-21swapper/008:31:180
3944399176136,37cyclictest0-21swapper/008:31:180
3948399175165,7cyclictest0-21swapper/3511:13:1729
3948399175165,7cyclictest0-21swapper/3511:13:1629
394759917584,88cyclictest0-21swapper/2810:08:4021
394759917584,88cyclictest0-21swapper/2810:08:3921
394759917584,88cyclictest0-21swapper/2810:08:3921
3946499175165,9cyclictest0-21swapper/1910:00:1011
3946499175165,9cyclictest0-21swapper/1910:00:1011
3946499175165,9cyclictest0-21swapper/1910:00:0911
3945099175136,25cyclictest37357-21CPU37
3945099175136,25cyclictest37357-21CPU37
3944599175167,6cyclictest0-21swapper/208:10:0212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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