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2026-09-11 - 08:28
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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 Fri Sep 11, 2026 01:02:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2593199220209,9cyclictest0-21swapper/2919:20:2522
2593199220209,9cyclictest0-21swapper/2919:20:2422
2593299208195,8cyclictest0-21swapper/3022:42:4024
2593299208195,8cyclictest0-21swapper/3022:42:3924
2591999206196,5cyclictest3542-21CPU11
2591999206196,5cyclictest3542-21CPU11
2590699206201,2cyclictest0-21swapper/720:01:5337
2593499203192,7cyclictest0-21swapper/3221:40:3226
2593499203192,7cyclictest0-21swapper/3221:40:3126
2592799198179,17cyclictest0-21swapper/2519:41:0818
2592799198179,17cyclictest0-21swapper/2519:41:0818
2590399197175,19cyclictest0-21swapper/423:05:0034
2590399197175,19cyclictest0-21swapper/423:05:0034
2593799196190,4cyclictest142450irq/46-eno1-TxRx-420:35:1528
2593799196190,4cyclictest142450irq/46-eno1-TxRx-420:35:1528
2593799196186,8cyclictest3535-21qemu-system-x8620:05:0028
2591999195188,5cyclictest0-21swapper/1921:11:2411
2591999195188,5cyclictest0-21swapper/1921:11:2411
2591999195187,5cyclictest2462-21CPU11
2591999195187,5cyclictest2462-21CPU11
2590699195182,11cyclictest0-21swapper/719:35:3737
2590699195182,11cyclictest0-21swapper/719:35:3637
2593899193182,5cyclictest0-21swapper/3500:20:4029
2593899193182,5cyclictest0-21swapper/3500:20:4029
2593899193182,5cyclictest0-21swapper/3500:20:3929
2593499193185,5cyclictest0-21swapper/3221:35:1626
2593499193185,5cyclictest0-21swapper/3221:35:1626
2593799192183,7cyclictest0-21swapper/3420:00:0028
2591999191180,9cyclictest0-21swapper/1921:18:2811
2591999191180,9cyclictest0-21swapper/1921:18:2711
2591999191175,12cyclictest0-21swapper/1922:31:0711
2591999191175,12cyclictest0-21swapper/1922:31:0611
2591999191175,12cyclictest0-21swapper/1922:31:0611
2593999190170,10cyclictest0-21swapper/3600:25:1630
2593999190170,10cyclictest0-21swapper/3600:25:1530
2593799189181,7cyclictest0-21swapper/3420:25:3028
2593799189181,7cyclictest0-21swapper/3420:25:3028
2592999189160,27cyclictest0-21swapper/2721:12:0320
2592999189160,27cyclictest0-21swapper/2721:12:0220
2592799189175,11cyclictest0-21swapper/2521:55:3018
2592799189175,11cyclictest0-21swapper/2521:55:3018
2592799189175,11cyclictest0-21swapper/2521:55:3018
2590699189182,3cyclictest32371-21sshd23:26:2137
2590699189182,3cyclictest32371-21sshd23:26:2137
2590699189182,3cyclictest32371-21sshd23:26:2037
2590399189178,9cyclictest0-21swapper/422:57:3834
2590399189178,9cyclictest0-21swapper/422:57:3834
2593199188182,4cyclictest0-21swapper/2919:30:0122
2593199188182,4cyclictest0-21swapper/2919:30:0122
2591999188182,4cyclictest0-21swapper/1922:28:1911
2591999188182,4cyclictest0-21swapper/1922:28:1911
2591999188182,4cyclictest0-21swapper/1922:28:1911
2591999188181,5cyclictest15393-21sshd21:30:4711
2591999188181,5cyclictest15393-21sshd21:30:4611
2591999188179,8cyclictest0-21swapper/1922:42:3411
2591999188179,8cyclictest0-21swapper/1922:42:3411
2593499187182,2cyclictest0-21swapper/3223:30:0626
2593499187180,3cyclictest3542-21CPU26
2593499187180,3cyclictest3542-21CPU26
2591999187176,9cyclictest0-21swapper/1921:38:5711
2591999187176,9cyclictest0-21swapper/1921:38:5711
2591499187150,32cyclictest3545-21CPU6
2591499187150,32cyclictest3545-21CPU6
2591499187150,32cyclictest3545-21CPU6
2590699187181,4cyclictest0-21swapper/723:32:2137
2590699187181,4cyclictest0-21swapper/723:32:2137
2593499186179,4cyclictest0-21swapper/3200:35:1426
2593499186179,4cyclictest0-21swapper/3200:35:1326
2593499186179,4cyclictest0-21swapper/3200:35:1326
2593799185179,4cyclictest0-21swapper/3420:20:3128
2593799185179,4cyclictest0-21swapper/3420:20:3128
2593199185176,8cyclictest0-21swapper/2921:21:2122
2593199185176,8cyclictest0-21swapper/2921:21:2022
2591999185180,4cyclictest0-21swapper/1921:08:4311
2591999185180,4cyclictest0-21swapper/1921:08:4211
2591999185180,4cyclictest0-21swapper/1921:08:4211
2593799184173,9cyclictest0-21swapper/3421:11:5528
2593799184173,9cyclictest0-21swapper/3421:11:5528
2593499184176,5cyclictest0-21swapper/3220:40:1626
2593499184176,5cyclictest0-21swapper/3220:40:1626
2592799184138,17cyclictest3544-21CPU18
2592799184138,17cyclictest3544-21CPU18
2590399184168,11cyclictest0-21swapper/423:41:4334
2590399184168,11cyclictest0-21swapper/423:41:4334
2593999183165,12cyclictest0-21swapper/3600:00:0030
2593999183165,12cyclictest0-21swapper/3600:00:0030
2593999183165,12cyclictest0-21swapper/3600:00:0030
2593199183178,4cyclictest0-21swapper/2919:30:2622
2593199183178,4cyclictest0-21swapper/2919:30:2622
2593199183172,9cyclictest0-21swapper/2900:35:4522
2593199183172,9cyclictest0-21swapper/2900:35:4422
2593199183172,9cyclictest0-21swapper/2900:35:4422
2591499183176,5cyclictest0-21swapper/1423:35:016
2591499183176,5cyclictest0-21swapper/1423:35:006
2590699183168,12cyclictest0-21swapper/721:59:1237
2590699183168,12cyclictest0-21swapper/721:59:1137
2590699183168,12cyclictest0-21swapper/721:59:1137
2591999182170,10cyclictest0-21swapper/1923:43:5111
2591999182170,10cyclictest0-21swapper/1923:43:5011
2590399182170,6cyclictest0-21swapper/423:12:1534
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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