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2025-11-15 - 17:56
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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 376 highest latencies:
System rackcslot8.osadl.org (updated Sat Nov 15, 2025 12:49:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
252599325126,1cyclictest151rcu_preempt12:22:1718
252599325126,1cyclictest151rcu_preempt12:22:1718
2482912070,199ptp4l0-21swapper/107:09:071
24169917427,105cyclictest0-21swapper/309:04:2423
24169917029,90cyclictest0-21swapper/311:47:2723
24169917029,90cyclictest0-21swapper/311:47:2723
241699161160,0cyclictest34-21ksoftirqd/310:17:5623
24479914510,90cyclictest151rcu_preempt12:19:222
2474991420,90cyclictest0-21swapper/1411:34:486
2474991420,90cyclictest0-21swapper/1411:34:486
2458991420,91cyclictest0-21swapper/1212:29:374
2458991420,91cyclictest0-21swapper/1212:29:374
2486991410,87cyclictest0-21swapper/1607:10:258
25199914026,75cyclictest0-21swapper/2312:05:0916
25199914026,75cyclictest0-21swapper/2312:05:0916
24379913925,99cyclictest151rcu_preempt09:23:1930
24169913834,100cyclictest0-21swapper/312:35:1723
24379913730,66cyclictest0-21swapper/810:45:1530
2416991376,93cyclictest0-21swapper/311:51:2823
2416991376,93cyclictest0-21swapper/311:51:2823
2458991350,82cyclictest0-21swapper/1207:55:134
24379913521,82cyclictest0-21swapper/808:25:1230
25199913427,82cyclictest0-21swapper/2308:30:1316
24749913426,64cyclictest0-21swapper/1410:01:016
2437991340,78cyclictest0-21swapper/809:40:2530
24169913447,86cyclictest0-21swapper/309:40:0023
25199913221,65cyclictest0-21swapper/2309:47:1616
24749913228,70cyclictest0-21swapper/1409:10:476
24749913224,62cyclictest0-21swapper/1409:25:456
2458991320,86cyclictest0-21swapper/1211:40:264
2458991320,86cyclictest0-21swapper/1211:40:264
2458991320,80cyclictest0-21swapper/1210:35:004
25199913140,56cyclictest0-21swapper/2312:38:1716
24749913130,75cyclictest0-21swapper/1410:41:386
24749913130,75cyclictest0-21swapper/1410:41:386
24749913128,67cyclictest0-21swapper/1408:42:126
24169913128,66cyclictest0-21swapper/310:30:1423
25199913048,64cyclictest0-21swapper/2310:54:3716
25199913028,64cyclictest0-21swapper/2310:19:5216
25199913025,87cyclictest0-21swapper/2307:30:2116
24749913027,65cyclictest0-21swapper/1410:37:386
24749913025,63cyclictest0-21swapper/1407:33:006
24169913031,66cyclictest0-21swapper/308:10:4423
24169913030,67cyclictest0-21swapper/311:35:5823
24169913030,67cyclictest0-21swapper/311:35:5823
24169913029,70cyclictest0-21swapper/309:11:5723
24169913027,69cyclictest0-21swapper/311:18:5223
24169913027,69cyclictest0-21swapper/311:18:5223
24169913026,69cyclictest0-21swapper/311:43:5923
24169913026,69cyclictest0-21swapper/311:43:5923
25199912943,62cyclictest0-21swapper/2312:21:0416
25199912943,62cyclictest0-21swapper/2312:21:0416
25199912929,67cyclictest0-21swapper/2307:59:2016
25199912927,67cyclictest0-21swapper/2310:43:2316
25199912927,67cyclictest0-21swapper/2310:43:2316
25199912927,65cyclictest0-21swapper/2309:37:0716
25199912925,64cyclictest0-21swapper/2312:15:1916
24749912930,64cyclictest0-21swapper/1412:23:436
24749912930,64cyclictest0-21swapper/1412:23:436
24749912927,68cyclictest0-21swapper/1411:55:226
24749912927,68cyclictest0-21swapper/1411:55:226
24169912931,73cyclictest0-21swapper/308:16:0623
24169912929,71cyclictest0-21swapper/309:44:1623
24169912929,66cyclictest0-21swapper/309:25:0223
24169912928,66cyclictest0-21swapper/310:23:1723
24169912928,65cyclictest0-21swapper/310:13:0823
24169912927,63cyclictest0-21swapper/310:05:0723
24169912925,64cyclictest0-21swapper/310:40:2323
24169912925,64cyclictest0-21swapper/310:40:2323
25199912832,63cyclictest0-21swapper/2311:43:4716
25199912832,63cyclictest0-21swapper/2311:43:4716
25199912830,74cyclictest0-21swapper/2311:37:4716
25199912830,74cyclictest0-21swapper/2311:37:4716
25199912828,66cyclictest0-21swapper/2310:22:0116
25199912828,66cyclictest0-21swapper/2310:10:1516
25059912886,26cyclictest0-21swapper/2007:50:0013
24749912843,56cyclictest0-21swapper/1411:06:136
24749912843,56cyclictest0-21swapper/1411:06:136
24749912842,60cyclictest0-21swapper/1408:18:256
24749912828,67cyclictest0-21swapper/1409:38:026
24749912828,65cyclictest0-21swapper/1407:39:276
24749912827,65cyclictest0-21swapper/1410:51:156
24169912830,65cyclictest0-21swapper/312:30:2623
24169912829,63cyclictest0-21swapper/308:37:2823
24169912827,67cyclictest0-21swapper/309:47:2823
24169912827,67cyclictest0-21swapper/307:25:2023
25199912730,72cyclictest0-21swapper/2310:55:5616
25199912730,72cyclictest0-21swapper/2310:55:5616
25199912728,65cyclictest0-21swapper/2309:21:0516
25199912727,76cyclictest0-21swapper/2307:23:0016
25199912727,67cyclictest0-21swapper/2311:31:2816
25199912727,67cyclictest0-21swapper/2311:31:2816
25199912727,62cyclictest0-21swapper/2307:45:2716
25199912726,62cyclictest0-21swapper/2308:15:2216
25199912724,66cyclictest0-21swapper/2310:35:5316
24749912756,62cyclictest0-21swapper/1408:46:466
24749912730,68cyclictest0-21swapper/1411:35:236
24749912730,68cyclictest0-21swapper/1411:35:236
24749912728,71cyclictest0-21swapper/1407:40:446
24749912728,59cyclictest0-21swapper/1409:48:286
24749912727,66cyclictest0-21swapper/1412:06:046
24749912727,66cyclictest0-21swapper/1412:06:046
24749912727,65cyclictest0-21swapper/1412:38:076
24749912726,66cyclictest0-21swapper/1409:23:046
24749912725,63cyclictest0-21swapper/1411:29:116
24749912723,59cyclictest0-21swapper/1409:01:586
24169912747,52cyclictest0-21swapper/309:51:4523
24169912729,69cyclictest0-21swapper/310:29:4223
24169912728,65cyclictest0-21swapper/311:32:1323
24169912728,65cyclictest0-21swapper/311:32:1323
24169912726,65cyclictest0-21swapper/311:55:1223
24169912726,65cyclictest0-21swapper/311:55:1223
25199912650,60cyclictest0-21swapper/2311:59:1016
25199912650,60cyclictest0-21swapper/2311:59:1016
25199912625,57cyclictest0-21swapper/2309:40:2016
24749912630,67cyclictest0-21swapper/1410:49:406
24749912629,67cyclictest0-21swapper/1408:25:376
24749912629,66cyclictest0-21swapper/1412:30:396
24749912628,68cyclictest0-21swapper/1411:48:266
24749912628,68cyclictest0-21swapper/1411:48:266
24749912627,64cyclictest0-21swapper/1410:10:386
24749912626,63cyclictest0-21swapper/1410:32:336
24169912644,51cyclictest0-21swapper/310:46:4823
25199912556,65cyclictest0-21swapper/2309:57:2616
25199912525,66cyclictest0-21swapper/2307:29:5016
2486991250,75cyclictest0-21swapper/1610:46:298
24749912531,75cyclictest0-21swapper/1410:24:006
24749912527,62cyclictest0-21swapper/1411:21:116
24749912527,62cyclictest0-21swapper/1411:21:116
24749912526,69cyclictest0-21swapper/1408:52:536
24749912526,67cyclictest0-21swapper/1410:06:546
24749912526,65cyclictest0-21swapper/1411:53:146
24749912526,65cyclictest0-21swapper/1411:53:146
24749912526,62cyclictest0-21swapper/1410:19:436
24169912532,66cyclictest0-21swapper/311:09:1423
24169912532,66cyclictest0-21swapper/311:09:1423
24169912530,74cyclictest0-21swapper/311:24:1223
24169912530,74cyclictest0-21swapper/311:24:1223
25199912429,59cyclictest0-21swapper/2307:43:3416
25199912426,64cyclictest0-21swapper/2311:05:1816
25199912426,64cyclictest0-21swapper/2311:05:1816
24869912421,47cyclictest0-21swapper/1611:24:238
24869912421,47cyclictest0-21swapper/1611:24:238
24869912421,102cyclictest0-21swapper/1609:14:218
24749912430,74cyclictest0-21swapper/1411:01:256
24749912430,74cyclictest0-21swapper/1411:01:256
24749912430,63cyclictest0-21swapper/1407:10:026
24749912429,77cyclictest0-21swapper/1411:43:386
24749912429,77cyclictest0-21swapper/1411:43:386
24749912427,73cyclictest0-21swapper/1410:26:406
24749912424,59cyclictest0-21swapper/1411:15:506
24749912424,59cyclictest0-21swapper/1411:15:506
24169912429,76cyclictest0-21swapper/312:06:5823
24169912429,76cyclictest0-21swapper/312:06:5823
25259912337,53cyclictest0-21swapper/2509:13:0618
24899912312,77cyclictest151rcu_preempt09:50:119
24869912316,81cyclictest32680-21switchtime07:30:248
24749912330,76cyclictest0-21swapper/1412:18:066
24749912330,65cyclictest0-21swapper/1409:33:466
24749912327,71cyclictest0-21swapper/1407:28:126
24749912325,64cyclictest0-21swapper/1412:03:436
24749912325,64cyclictest0-21swapper/1412:03:436
24379912330,74cyclictest0-21swapper/810:09:1630
24169912327,71cyclictest0-21swapper/307:10:2323
24169912327,63cyclictest0-21swapper/312:22:2723
24169912327,63cyclictest0-21swapper/312:22:2723
25199912226,63cyclictest0-21swapper/2308:10:0116
2437991220,83cyclictest64-21ksoftirqd/809:16:2330
24169912231,74cyclictest0-21swapper/307:40:1823
24169912227,72cyclictest0-21swapper/307:55:1623
24169912225,64cyclictest0-21swapper/311:01:1323
24169912225,64cyclictest0-21swapper/311:01:1323
25259912138,48cyclictest0-21swapper/2512:12:4018
25259912138,48cyclictest0-21swapper/2512:12:4018
25259912137,63cyclictest0-21swapper/2510:29:3218
24869912141,53cyclictest0-21swapper/1611:41:408
24869912141,53cyclictest0-21swapper/1611:41:408
24749912130,77cyclictest0-21swapper/1408:35:316
24749912130,68cyclictest0-21swapper/1408:10:246
24749912129,73cyclictest0-21swapper/1408:31:156
24169912127,61cyclictest0-21swapper/311:10:1923
25199912061,58cyclictest0-21swapper/2312:33:2916
25199912029,76cyclictest0-21swapper/2309:10:2416
25199912029,67cyclictest0-21swapper/2310:05:2716
25199912027,68cyclictest0-21swapper/2308:05:1316
24869912024,56cyclictest0-21swapper/1611:29:398
24379912040,54cyclictest0-21swapper/809:11:5030
25259911933,85cyclictest0-21swapper/2511:42:4518
25259911933,85cyclictest0-21swapper/2511:42:4518
25199911929,73cyclictest0-21swapper/2310:30:0216
25199911927,67cyclictest0-21swapper/2309:15:4416
25199911923,56cyclictest0-21swapper/2309:03:5916
25199911923,55cyclictest0-21swapper/2311:48:3516
25199911923,55cyclictest0-21swapper/2311:48:3516
24749911927,58cyclictest0-21swapper/1407:17:316
24749911924,54cyclictest0-21swapper/1412:25:516
24749911924,54cyclictest0-21swapper/1412:25:516
24379911945,55cyclictest0-21swapper/812:11:0830
24379911945,55cyclictest0-21swapper/812:11:0830
24169911929,72cyclictest0-21swapper/309:15:2423
24169911928,73cyclictest0-21swapper/310:35:0223
25259911833,84cyclictest0-21swapper/2511:31:3118
25259911833,84cyclictest0-21swapper/2511:31:3118
24869911840,54cyclictest0-21swapper/1612:31:358
24869911824,59cyclictest0-21swapper/1609:27:458
24869911821,56cyclictest0-21swapper/1611:11:568
24749911827,54cyclictest0-21swapper/1409:50:526
24379911867,50cyclictest0-21swapper/811:56:4130
24379911867,50cyclictest0-21swapper/811:56:4130
329891117109,6phc2sys0-21swapper/207:09:4312
25259911731,73cyclictest0-21swapper/2511:51:1818
25259911731,73cyclictest0-21swapper/2511:51:1818
24869911742,52cyclictest0-21swapper/1610:55:548
24869911742,52cyclictest0-21swapper/1610:55:548
24869911727,64cyclictest0-21swapper/1611:08:138
24869911727,64cyclictest0-21swapper/1611:08:138
24869911727,62cyclictest0-21swapper/1611:17:148
24869911727,62cyclictest0-21swapper/1611:17:148
24869911725,56cyclictest0-21swapper/1611:35:598
24869911725,56cyclictest0-21swapper/1611:35:598
2486991170,70cyclictest0-21swapper/1608:50:198
24749911733,72cyclictest0-21swapper/1408:01:516
24749911730,73cyclictest0-21swapper/1407:20:116
24379911752,43cyclictest0-21swapper/809:46:0130
24379911724,69cyclictest0-21swapper/812:28:1330
24379911724,69cyclictest0-21swapper/812:28:1330
2424991170,83cyclictest0-21swapper/510:08:0027
24169911728,73cyclictest0-21swapper/308:50:1823
25199911628,70cyclictest0-21swapper/2310:49:4816
25199911624,53cyclictest0-21swapper/2308:35:4016
25149911667,44cyclictest0-21swapper/2209:26:1915
250599116115,1cyclictest0-21swapper/2007:35:2513
24869911640,50cyclictest0-21swapper/1610:54:528
24869911632,59cyclictest0-21swapper/1610:35:178
24869911630,57cyclictest0-21swapper/1612:09:518
24869911630,57cyclictest0-21swapper/1612:09:518
24869911625,60cyclictest0-21swapper/1609:34:098
24869911624,60cyclictest0-21swapper/1607:25:218
24869911623,56cyclictest0-21swapper/1609:47:298
24749911632,75cyclictest0-21swapper/1409:05:266
24749911622,58cyclictest0-21swapper/1410:58:126
24749911622,58cyclictest0-21swapper/1410:58:126
24379911633,53cyclictest0-21swapper/811:48:0830
24379911633,53cyclictest0-21swapper/811:48:0830
25259911531,83cyclictest0-21swapper/2510:32:1218
250599115114,1cyclictest0-21swapper/2011:39:0913
250599115114,1cyclictest0-21swapper/2011:39:0913
24869911528,60cyclictest0-21swapper/1610:32:358
24869911525,60cyclictest0-21swapper/1609:39:408
24869911525,60cyclictest0-21swapper/1607:35:138
24869911525,57cyclictest0-21swapper/1610:22:148
24869911524,61cyclictest0-21swapper/1612:16:368
24869911523,57cyclictest0-21swapper/1609:51:178
24749911531,76cyclictest0-21swapper/1409:57:176
2458991150,89cyclictest0-21swapper/1212:20:174
2458991150,89cyclictest0-21swapper/1212:20:174
2458991150,70cyclictest0-21swapper/1211:32:114
2458991150,70cyclictest0-21swapper/1211:32:114
24169911529,72cyclictest0-21swapper/312:18:4323
25259911430,83cyclictest0-21swapper/2511:16:1718
25259911430,83cyclictest0-21swapper/2511:16:1718
2514991140,79cyclictest0-21swapper/2207:20:1915
2489991140,59cyclictest0-21swapper/1711:41:519
2489991140,59cyclictest0-21swapper/1711:41:519
24869911438,67cyclictest0-21swapper/1610:27:508
24869911426,64cyclictest0-21swapper/1609:15:588
24869911425,69cyclictest0-21swapper/1610:07:168
24869911425,59cyclictest0-21swapper/1611:00:108
24869911425,59cyclictest0-21swapper/1611:00:108
24869911424,60cyclictest0-21swapper/1611:58:568
24869911424,60cyclictest0-21swapper/1611:58:568
24869911424,59cyclictest0-21swapper/1610:16:538
24869911423,61cyclictest0-21swapper/1608:57:478
24869911423,55cyclictest0-21swapper/1609:20:468
24749911428,73cyclictest0-21swapper/1412:10:536
24749911428,73cyclictest0-21swapper/1412:10:536
24379911439,55cyclictest0-21swapper/812:34:5930
24379911424,60cyclictest0-21swapper/810:23:4230
250599113112,1cyclictest0-21swapper/2007:58:4013
24869911343,55cyclictest0-21swapper/1611:46:088
24869911343,55cyclictest0-21swapper/1611:46:088
24869911325,59cyclictest0-21swapper/1612:03:148
24869911325,59cyclictest0-21swapper/1612:03:148
24869911324,61cyclictest0-21swapper/1609:57:118
24589911316,71cyclictest0-21swapper/1210:12:354
24379911324,53cyclictest0-21swapper/810:58:2730
24379911324,53cyclictest0-21swapper/810:58:2730
24379911317,71cyclictest64-21ksoftirqd/807:50:2030
24249911331,79cyclictest0-21swapper/511:35:4427
24249911331,79cyclictest0-21swapper/511:35:4427
24249911315,97cyclictest0-21swapper/511:04:0727
24249911315,97cyclictest0-21swapper/511:04:0727
25199911223,53cyclictest0-21swapper/2308:20:1016
24869911225,64cyclictest0-21swapper/1612:27:498
24869911225,64cyclictest0-21swapper/1612:27:498
24869911224,62cyclictest0-21swapper/1612:36:548
24869911223,58cyclictest0-21swapper/1608:10:148
24379911266,45cyclictest0-21swapper/809:55:2230
2437991125,65cyclictest64-21ksoftirqd/811:29:0930
24379911226,59cyclictest0-21swapper/810:41:0930
24379911226,59cyclictest0-21swapper/810:41:0930
24379911225,56cyclictest0-21swapper/810:25:1830
24379911225,55cyclictest0-21swapper/808:44:0130
24379911224,60cyclictest0-21swapper/809:54:5030
24379911224,58cyclictest0-21swapper/811:51:3530
24379911224,58cyclictest0-21swapper/811:51:3530
24379911223,59cyclictest0-21swapper/809:27:3530
24129911213,49cyclictest29084-21taskset11:47:2612
24129911213,49cyclictest29084-21taskset11:47:2612
25259911125,73cyclictest0-21swapper/2510:00:4018
25199911140,41cyclictest0-21swapper/2308:27:0016
25199911123,53cyclictest0-21swapper/2307:54:2516
250599111110,1cyclictest0-21swapper/2010:42:4713
250599111110,1cyclictest0-21swapper/2010:42:4713
24869911125,63cyclictest0-21swapper/1610:01:388
24869911123,61cyclictest0-21swapper/1610:44:208
24869911123,61cyclictest0-21swapper/1610:44:208
24589911118,51cyclictest0-21swapper/1207:19:574
24379911147,53cyclictest0-21swapper/807:25:1430
24379911135,59cyclictest0-21swapper/808:30:2430
24379911131,54cyclictest0-21swapper/808:20:4730
24379911124,59cyclictest0-21swapper/811:24:5130
24379911124,59cyclictest0-21swapper/811:24:5130
24379911124,58cyclictest0-21swapper/812:01:4430
24379911124,58cyclictest0-21swapper/812:01:4430
24379911124,58cyclictest0-21swapper/810:11:5630
24379911123,59cyclictest0-21swapper/808:35:1430
2536991100,89cyclictest0-21swapper/2709:38:1520
25199911023,53cyclictest0-21swapper/2312:00:2116
25199911023,53cyclictest0-21swapper/2312:00:2116
250599110109,1cyclictest0-21swapper/2008:05:0113
24869911025,63cyclictest0-21swapper/1608:31:218
24869911025,61cyclictest0-21swapper/1611:54:388
24869911025,61cyclictest0-21swapper/1611:54:388
24869911025,61cyclictest0-21swapper/1611:31:428
24869911025,61cyclictest0-21swapper/1611:31:428
24869911024,56cyclictest0-21swapper/1607:49:588
24789911022,52cyclictest0-21swapper/1510:10:387
24589911037,51cyclictest0-21swapper/1211:57:524
24589911037,51cyclictest0-21swapper/1211:57:524
24589911036,48cyclictest0-21swapper/1210:07:594
24419911076,1cyclictest151rcu_preempt09:56:4031
24379911031,56cyclictest0-21swapper/812:35:0930
24379911024,63cyclictest0-21swapper/807:41:0330
24379911024,54cyclictest0-21swapper/808:05:1830
24379911023,61cyclictest0-21swapper/812:15:2430
2536991090,76cyclictest0-21swapper/2707:30:0120
25149910960,6cyclictest0-21swapper/2210:49:4715
250599109108,1cyclictest0-21swapper/2009:15:2013
24869910940,55cyclictest0-21swapper/1610:13:098
24869910925,61cyclictest0-21swapper/1608:20:218
24589910939,46cyclictest0-21swapper/1210:52:424
24589910937,47cyclictest0-21swapper/1210:21:074
24379910926,62cyclictest0-21swapper/808:55:3130
24379910924,61cyclictest0-21swapper/811:10:5830
24379910924,56cyclictest0-21swapper/807:35:2230
24379910923,57cyclictest0-21swapper/811:35:1830
24379910923,57cyclictest0-21swapper/811:35:1830
24379910921,59cyclictest0-21swapper/808:45:2230
250599108107,1cyclictest0-21swapper/2010:53:1613
2489991089,65cyclictest1171rcuc/1708:00:189
2489991080,89cyclictest0-21swapper/1708:43:039
2489991080,76cyclictest0-21swapper/1711:07:529
2489991080,76cyclictest0-21swapper/1711:07:529
24869910853,55cyclictest0-21swapper/1608:05:268
24589910841,50cyclictest0-21swapper/1212:31:124
24589910835,49cyclictest0-21swapper/1212:04:144
24589910835,49cyclictest0-21swapper/1212:04:144
24379910827,64cyclictest0-21swapper/808:16:3130
24379910826,52cyclictest0-21swapper/811:42:4830
24379910826,52cyclictest0-21swapper/811:42:4830
24379910824,60cyclictest0-21swapper/811:05:2430
24379910824,60cyclictest0-21swapper/811:05:2430
24379910822,54cyclictest0-21swapper/807:10:1630
24249910849,35cyclictest0-21swapper/510:10:1327
24169910822,53cyclictest0-21swapper/309:30:5423
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