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2026-06-26 - 11:15
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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 Jun 26, 2026 01:01:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1819299206199,5cyclictest0-21swapper/323:35:2123
1819299206199,5cyclictest0-21swapper/323:35:2123
1819299203198,3cyclictest1243-21sshd22:30:2823
1819299203198,3cyclictest1243-21sshd22:30:2723
1819299203198,3cyclictest1243-21sshd22:30:2723
1821599201194,5cyclictest0-21swapper/2320:05:0116
1821599201194,5cyclictest0-21swapper/2320:05:0116
1820299195183,7cyclictest3548-21CPU3
1820299195183,7cyclictest3548-21CPU3
1822899193154,36cyclictest0-21swapper/3200:08:5026
1822899193154,36cyclictest0-21swapper/3200:08:4926
1823399192182,6cyclictest0-21swapper/3721:57:3331
1823399192182,6cyclictest0-21swapper/3721:57:3331
1823399192182,6cyclictest0-21swapper/3721:57:3231
181919919134,150cyclictest37265-21CPU12
181919919134,150cyclictest37265-21CPU12
1820699189171,14cyclictest37265-21CPU7
1820699189171,14cyclictest37265-21CPU7
1819199189165,9cyclictest0-21swapper/221:56:2812
1819199189165,9cyclictest0-21swapper/221:56:2712
1819199189165,9cyclictest0-21swapper/221:56:2712
1823299188146,29cyclictest0-21swapper/3619:40:0330
1823299188146,29cyclictest0-21swapper/3619:40:0230
1820899188149,32cyclictest0-21swapper/1721:33:069
1820899188149,32cyclictest0-21swapper/1721:33:069
1820899188149,32cyclictest0-21swapper/1721:33:059
1821899186152,24cyclictest0-21swapper/2522:23:2618
1821899186152,24cyclictest0-21swapper/2522:23:2618
1821899186152,24cyclictest0-21swapper/2522:23:2618
1821599182174,6cyclictest0-21swapper/2322:58:4116
1821599182174,6cyclictest0-21swapper/2322:58:4116
1821599182174,6cyclictest0-21swapper/2322:58:4116
1821999180160,11cyclictest0-21swapper/2621:40:0319
1821999180160,11cyclictest0-21swapper/2621:40:0319
1819199180165,13cyclictest0-21swapper/222:53:2612
1819199180165,13cyclictest0-21swapper/222:53:2512
1821999179172,4cyclictest0-21swapper/2623:17:1419
1821999179172,4cyclictest0-21swapper/2623:17:1319
1821999179172,4cyclictest0-21swapper/2623:17:1319
1819299179172,5cyclictest0-21swapper/323:02:3623
1819299179172,5cyclictest0-21swapper/323:02:3623
1823399178169,7cyclictest37346-21qemu-system-x8600:03:0531
1823399178169,7cyclictest37346-21qemu-system-x8600:03:0431
1822899178118,50cyclictest3547-21CPU26
1822899178118,50cyclictest3547-21CPU26
1819299178165,11cyclictest0-21swapper/321:50:3723
1819299178165,11cyclictest0-21swapper/321:50:3723
1819299178165,11cyclictest0-21swapper/321:50:3623
1823399177154,21cyclictest0-21swapper/3723:42:1231
1823399177154,21cyclictest0-21swapper/3723:42:1231
1819299177171,4cyclictest0-21swapper/323:42:4923
1819299177171,4cyclictest0-21swapper/323:42:4823
1819299177170,5cyclictest0-21swapper/320:36:0723
1819299177170,5cyclictest0-21swapper/320:36:0723
1823399176145,16cyclictest0-21swapper/3723:20:3031
1823399176145,16cyclictest0-21swapper/3723:20:2931
1821599176155,18cyclictest0-21swapper/2320:05:2516
1821599176155,18cyclictest0-21swapper/2320:05:2516
1821599176153,14cyclictest0-21swapper/2320:50:4616
1821599176153,14cyclictest0-21swapper/2320:50:4616
1821999175167,6cyclictest0-21swapper/2621:40:1319
1821999175167,6cyclictest0-21swapper/2621:40:1319
1819299175161,10cyclictest0-21swapper/323:45:2023
1819299175161,10cyclictest0-21swapper/323:45:2023
1818999175148,17cyclictest0-21swapper/022:52:030
1818999175148,17cyclictest0-21swapper/022:52:030
1823299174132,9cyclictest0-21swapper/3620:29:1730
1821999174166,5cyclictest0-21swapper/2622:57:5719
1821999174166,5cyclictest0-21swapper/2622:57:5719
1821999174166,5cyclictest0-21swapper/2622:57:5719
1821299174164,6cyclictest5737-21sshd22:10:2114
1821299174164,6cyclictest5737-21sshd22:10:2114
1819099174163,7cyclictest0-21swapper/123:36:251
1819099174163,7cyclictest0-21swapper/123:36:251
1822899173149,22cyclictest0-21swapper/3220:02:2926
1822899173149,22cyclictest0-21swapper/3220:02:2926
1822899173127,17cyclictest0-21swapper/3219:20:3726
1819299173157,11cyclictest0-21swapper/323:15:0823
1819299173157,11cyclictest0-21swapper/323:15:0823
1819299173157,11cyclictest0-21swapper/323:15:0823
1823399172152,18cyclictest0-21swapper/3723:07:0331
1823399172152,18cyclictest0-21swapper/3723:07:0331
1822899172124,38cyclictest0-21swapper/3223:16:3426
1822899172124,38cyclictest0-21swapper/3223:16:3426
1822899172124,38cyclictest0-21swapper/3223:16:3426
1819299172168,2cyclictest0-21swapper/322:07:2823
1819299172168,2cyclictest0-21swapper/322:07:2823
1819299172167,3cyclictest0-21swapper/300:14:1623
1819299172167,3cyclictest0-21swapper/300:14:1623
1819299172167,3cyclictest0-21swapper/300:14:1523
1818999172164,6cyclictest0-21swapper/023:54:320
1818999172164,6cyclictest0-21swapper/023:54:320
1818999172164,6cyclictest0-21swapper/023:54:310
1822799171152,17cyclictest0-21swapper/3100:08:2225
1822799171152,17cyclictest0-21swapper/3100:08:2125
1823399170160,9cyclictest0-21swapper/3722:07:1731
1823399170160,9cyclictest0-21swapper/3722:07:1731
18231991705,158cyclictest3543-21CPU29
1822299170165,3cyclictest0-21swapper/2820:05:1821
1822299170165,3cyclictest0-21swapper/2820:05:1821
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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