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2025-12-29 - 08:12
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot7.osadl.org (updated Mon Dec 29, 2025 00:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18589749947721,55cyclictest0-21swapper/1500:24:207
18589619947619,54cyclictest2571231-21grep22:10:229
18589749946523,440cyclictest87250irq/171-nvme1q821:01:257
18589749945622,433cyclictest0-21swapper/1522:59:457
18589589945617,27cyclictest0-21swapper/021:07:320
18589749945421,28cyclictest0-21swapper/1521:56:337
18589589945424,27cyclictest0-21swapper/020:52:290
18589749945323,429cyclictest0-21swapper/1520:41:227
18589749945323,429cyclictest0-21swapper/1520:41:217
18589749945322,28cyclictest0-21swapper/1520:37:237
18589749945222,28cyclictest0-21swapper/1520:49:267
18589749945121,28cyclictest0-21swapper/1523:11:477
18589749945022,28cyclictest0-21swapper/1523:02:227
18589749944921,28cyclictest0-21swapper/1522:44:247
18589749944920,28cyclictest0-21swapper/1520:51:267
18589619944814,27cyclictest0-21swapper/322:57:589
1858959994439,27cyclictest0-21swapper/119:14:231
1858959994399,28cyclictest0-21swapper/122:47:511
1858959994333,28cyclictest1967514-21dd19:31:331
1858973994310,430cyclictest0-21swapper/1423:24:286
18589589943020,0cyclictest0-21swapper/022:08:220
1858973994290,428cyclictest0-21swapper/1420:55:416
18589659942922,406cyclictest0-21swapper/723:19:5513
18589589942923,401cyclictest0-21swapper/022:28:590
18589589942919,404cyclictest0-21swapper/022:32:460
1858973994280,24cyclictest0-21swapper/1400:27:496
1858973994280,23cyclictest0-21swapper/1423:14:296
18589589942817,404cyclictest0-21swapper/022:11:450
1858973994270,426cyclictest0-21swapper/1421:57:576
1858973994270,23cyclictest0-21swapper/1400:23:226
1858973994260,425cyclictest0-21swapper/1419:17:406
18589599942618,405cyclictest0-21swapper/122:28:211
185896899425423,1cyclictest1858526-21kworker/10:1+i915-unordered19:28:432
185896499424423,1cyclictest1363530-21kworker/6:0+pm21:06:3912
1858973994210,421cyclictest0-21swapper/1421:54:486
18589749941916,402cyclictest0-21swapper/1519:21:597
185897299419414,5cyclictest0-21swapper/1300:34:145
18589599941913,404cyclictest0-21swapper/121:52:241
18589599941912,407cyclictest0-21swapper/122:07:431
18589589941911,402cyclictest0-21swapper/022:57:400
18589629941815,403cyclictest0-21swapper/422:01:2110
18589619941818,399cyclictest0-21swapper/320:58:179
1858959994189,404cyclictest0-21swapper/100:25:221
18589599941810,405cyclictest0-21swapper/120:50:561
18589589941816,396cyclictest0-21swapper/023:02:460
185896899417417,0cyclictest0-21swapper/1021:06:382
1858959994179,405cyclictest0-21swapper/123:07:501
185896499416415,1cyclictest29250irq/128-xhci_hcd19:21:3612
1858959994169,404cyclictest0-21swapper/123:15:271
18589599941610,403cyclictest0-21swapper/100:23:531
18589589941612,400cyclictest0-21swapper/000:28:590
1858959994129,0cyclictest0-21swapper/123:01:441
1858974994119,402cyclictest0-21swapper/1519:11:587
18589599941113,396cyclictest0-21swapper/120:33:241
18589679941011,398cyclictest0-21swapper/920:34:2915
185896299410409,1cyclictest0-21swapper/422:34:3510
1858959994106,402cyclictest0-21swapper/100:37:461
1858968994096,401cyclictest0-21swapper/1019:18:582
1858963994090,408cyclictest0-21swapper/523:05:4511
1858959994095,404cyclictest0-21swapper/121:07:551
1858959994095,402cyclictest0-21swapper/122:56:371
1858963994084,404cyclictest0-21swapper/522:16:5311
185896299408408,0cyclictest0-21swapper/420:58:4010
185897099407405,2cyclictest2810345-21kworker/12:0+events00:29:214
1858960994074,400cyclictest0-21swapper/222:05:588
185896499406404,2cyclictest2544020-21kworker/6:3+events22:16:3212
185896499406404,2cyclictest1363530-21kworker/6:0+events19:27:4612
185896399406403,2cyclictest1838189-21kworker/5:0+events19:22:2111
1858961994060,405cyclictest0-21swapper/323:03:239
185897299405401,2cyclictest3137952-21kworker/13:1+events00:35:445
185897099405404,1cyclictest2335437-21kworker/12:2+i915-unordered21:09:294
185897099405402,3cyclictest3605838-21x0vncserver21:04:284
185896899405403,2cyclictest2252964-21kworker/10:2+events20:59:462
185896499405403,2cyclictest1363530-21kworker/6:0+events20:49:4712
1858960994052,399cyclictest0-21swapper/221:02:588
185897099404402,1cyclictest2503091-21kworker/12:1+events22:15:274
185896899404402,2cyclictest2190417-21kworker/10:0+events20:53:302
185896899404402,2cyclictest1858526-21kworker/10:1+events19:24:272
1858968994040,403cyclictest0-21swapper/1022:24:262
185896499404402,2cyclictest2544020-21kworker/6:3+events23:24:2812
1858972994030,399cyclictest0-21swapper/1322:42:265
1858968994030,402cyclictest0-21swapper/1023:11:242
185896499403402,1cyclictest1363530-21kworker/6:0+events20:35:5612
185896499403398,4cyclictest3097030-21kworker/6:1+events00:23:2212
185896399403402,1cyclictest0-21swapper/523:17:5411
1858973994021,400cyclictest0-21swapper/1419:22:366
185896899402400,2cyclictest2585103-21kworker/10:1+events00:33:252
1858968994023,398cyclictest0-21swapper/1022:18:512
185896499402400,2cyclictest3097030-21kworker/6:1+events00:27:4912
185896499402400,2cyclictest2189809-21kworker/6:2+events20:55:4112
185896499402400,2cyclictest1363530-21kworker/6:0+events23:07:2812
185896399402400,2cyclictest0-21swapper/520:46:2611
1858972994010,399cyclictest0-21swapper/1320:54:345
185897099401398,2cyclictest2586093-21kworker/12:0+events22:34:354
185897099401398,2cyclictest2544764-21kworker/12:2+events22:05:234
185896899401400,1cyclictest0-21swapper/1023:04:442
185896499401399,2cyclictest1363530-21kworker/6:0+events23:14:2912
185896499401399,2cyclictest1363530-21kworker/6:0+events22:14:2512
185897299400398,2cyclictest2790899-21kworker/13:2+events23:12:275
185897299400397,2cyclictest2812095-21kworker/13:0+events00:25:545
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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