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2025-10-27 - 02:19
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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 Sun Oct 26, 2025 12:49:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2931099352154,1cyclictest151rcu_preempt11:07:424
2482913090,301ptp4l0-21swapper/107:05:471
2927499304105,1cyclictest151rcu_preempt11:43:3027
2934299300102,24cyclictest151rcu_preempt11:45:4913
293429928890,0cyclictest137-21ksoftirqd/2011:04:0213
292989918129,151cyclictest0-21swapper/910:04:1031
2927899181170,8cyclictest151rcu_preempt12:18:1628
292989917827,135cyclictest0-21swapper/910:50:4031
293479917110,91cyclictest0-21swapper/2110:00:2514
292989916332,88cyclictest0-21swapper/912:33:4931
293109915372,79cyclictest88-21ksoftirqd/1210:46:024
292989915339,66cyclictest0-21swapper/910:08:5931
292989914628,76cyclictest0-21swapper/909:39:0331
2927899144139,1cyclictest151rcu_preempt09:48:0528
29253991440,85cyclictest0-21swapper/111:38:381
292989914029,65cyclictest0-21swapper/910:10:3531
292989913955,60cyclictest0-21swapper/910:57:3731
292989913831,71cyclictest0-21swapper/912:28:2831
292789913856,38cyclictest0-21swapper/610:09:2828
29253991380,85cyclictest0-21swapper/110:39:511
292989913756,62cyclictest0-21swapper/910:31:5831
292989913729,70cyclictest0-21swapper/911:18:5931
292989913729,66cyclictest0-21swapper/911:43:3431
292989913648,56cyclictest0-21swapper/909:40:3931
292989913630,68cyclictest0-21swapper/909:31:0231
292989913629,65cyclictest0-21swapper/910:18:0431
292989913628,68cyclictest0-21swapper/911:06:4231
2931499135134,1cyclictest151rcu_preempt11:14:345
292989913558,64cyclictest0-21swapper/910:20:1231
292989913557,60cyclictest0-21swapper/909:28:5431
292989913532,67cyclictest0-21swapper/912:10:5031
292989913531,62cyclictest0-21swapper/912:06:1731
292989913528,63cyclictest0-21swapper/912:20:5931
292989913528,63cyclictest0-21swapper/912:15:0631
293039913429,64cyclictest0-21swapper/1010:15:252
292989913431,67cyclictest0-21swapper/911:21:2731
292989913430,68cyclictest0-21swapper/911:45:1031
292989913430,65cyclictest0-21swapper/912:02:4931
292989913429,63cyclictest0-21swapper/909:51:2131
292989913429,62cyclictest0-21swapper/908:00:1231
292989913429,62cyclictest0-21swapper/908:00:1131
292989913428,60cyclictest0-21swapper/909:20:2131
292989913427,64cyclictest0-21swapper/910:47:2731
292539913453,60cyclictest0-21swapper/112:06:571
292539913439,62cyclictest0-21swapper/107:53:571
292539913439,62cyclictest0-21swapper/107:53:571
292989913330,64cyclictest0-21swapper/912:39:4131
292989913329,65cyclictest0-21swapper/909:12:2031
292989913327,62cyclictest0-21swapper/911:37:4231
292789913337,77cyclictest0-21swapper/611:08:1528
292989913230,59cyclictest0-21swapper/911:56:5631
292989913227,61cyclictest0-21swapper/909:56:4131
292539913245,54cyclictest0-21swapper/109:30:221
292539913227,63cyclictest0-21swapper/109:36:351
2938099131130,1cyclictest0-21swapper/2907:10:2022
292539913141,53cyclictest0-21swapper/107:23:591
292539913128,65cyclictest0-21swapper/111:49:191
292539913127,67cyclictest0-21swapper/111:23:081
292539913049,60cyclictest0-21swapper/112:26:121
292539913046,66cyclictest0-21swapper/110:13:071
292539913032,68cyclictest0-21swapper/112:31:321
292489913026,99cyclictest0-21swapper/007:20:190
292989912927,64cyclictest0-21swapper/910:39:5931
292539912931,63cyclictest0-21swapper/110:05:381
292539912929,69cyclictest0-21swapper/109:10:261
292539912928,69cyclictest0-21swapper/110:16:351
292539912927,67cyclictest0-21swapper/111:29:011
292539912927,65cyclictest0-21swapper/111:09:141
292539912926,67cyclictest0-21swapper/110:47:521
292539912837,60cyclictest0-21swapper/107:29:361
292539912830,73cyclictest0-21swapper/112:24:031
292539912828,64cyclictest0-21swapper/110:51:361
292539912827,68cyclictest0-21swapper/109:52:491
292539912827,65cyclictest0-21swapper/110:56:111
292539912826,67cyclictest0-21swapper/112:36:531
292989912727,62cyclictest0-21swapper/911:12:3531
292539912757,68cyclictest0-21swapper/109:26:061
292539912753,58cyclictest0-21swapper/107:45:061
292539912753,58cyclictest0-21swapper/107:45:061
292539912729,67cyclictest0-21swapper/108:07:041
292539912729,67cyclictest0-21swapper/108:07:041
292539912728,70cyclictest0-21swapper/111:13:141
292539912728,68cyclictest0-21swapper/107:14:071
292539912728,65cyclictest0-21swapper/110:20:351
292539912727,70cyclictest0-21swapper/112:12:181
292539912727,68cyclictest0-21swapper/111:54:401
292539912726,65cyclictest0-21swapper/108:55:061
29303991268,75cyclictest0-21swapper/1011:52:402
292789912631,55cyclictest0-21swapper/611:44:0128
292539912631,70cyclictest0-21swapper/111:32:131
292539912628,66cyclictest0-21swapper/110:32:221
292539912625,66cyclictest0-21swapper/112:16:021
292989912526,58cyclictest0-21swapper/908:25:1931
292989912526,58cyclictest0-21swapper/908:25:1931
292539912531,70cyclictest0-21swapper/111:19:381
292539912530,65cyclictest0-21swapper/110:27:331
292539912529,75cyclictest0-21swapper/107:31:441
292539912529,70cyclictest0-21swapper/108:53:451
292539912529,70cyclictest0-21swapper/108:53:451
292539912528,68cyclictest0-21swapper/110:41:591
292539912526,63cyclictest0-21swapper/107:55:021
292539912526,63cyclictest0-21swapper/107:55:021
293399912439,52cyclictest0-21swapper/1909:13:0211
292989912427,58cyclictest0-21swapper/911:03:2831
292789912429,65cyclictest0-21swapper/607:20:2328
292789912416,58cyclictest0-21swapper/611:51:0028
292539912450,65cyclictest0-21swapper/108:00:041
292539912450,65cyclictest0-21swapper/108:00:041
292539912431,77cyclictest0-21swapper/109:00:011
292539912430,73cyclictest0-21swapper/110:01:541
292539912428,63cyclictest0-21swapper/107:37:381
292539912426,61cyclictest0-21swapper/112:01:041
292489912426,96cyclictest0-21swapper/009:49:560
292489912426,69cyclictest0-21swapper/011:45:220
292489912426,65cyclictest0-21swapper/011:15:250
293399912344,53cyclictest0-21swapper/1911:53:2211
292789912326,73cyclictest0-21swapper/612:21:2828
292539912324,61cyclictest0-21swapper/107:41:541
292539912324,61cyclictest0-21swapper/107:41:541
292989912125,57cyclictest0-21swapper/911:53:1931
292989912123,58cyclictest0-21swapper/911:31:1731
292489912127,81cyclictest0-21swapper/010:39:110
292489912126,84cyclictest0-21swapper/012:18:580
293399912024,73cyclictest0-21swapper/1909:50:2711
29303991206,71cyclictest0-21swapper/1009:42:492
29298991200,69cyclictest0-21swapper/908:55:3031
292539912037,54cyclictest0-21swapper/109:19:081
292539912029,61cyclictest0-21swapper/109:20:131
292489912026,93cyclictest0-21swapper/009:41:530
292489912026,86cyclictest0-21swapper/009:55:150
292489912026,63cyclictest0-21swapper/012:31:190
293889911939,30cyclictest0-21swapper/3109:10:0225
293399911925,65cyclictest0-21swapper/1911:02:0311
293039911934,58cyclictest0-21swapper/1009:37:282
292989911926,57cyclictest0-21swapper/911:29:4131
292989911926,57cyclictest0-21swapper/907:40:1331
292989911926,57cyclictest0-21swapper/907:40:1331
292789911944,56cyclictest0-21swapper/608:29:4228
292789911944,56cyclictest0-21swapper/608:29:4228
292539911928,66cyclictest0-21swapper/111:00:401
292489911925,59cyclictest0-21swapper/010:50:220
292489911924,72cyclictest0-21swapper/011:37:200
292489911922,80cyclictest0-21swapper/010:44:270
29248991190,73cyclictest0-21swapper/012:28:210
293399911840,50cyclictest0-21swapper/1908:58:0411
293399911826,61cyclictest0-21swapper/1909:46:4211
292989911824,59cyclictest0-21swapper/909:16:0431
292789911850,57cyclictest0-21swapper/610:19:0528
292789911830,58cyclictest0-21swapper/609:35:1628
292789911827,65cyclictest0-21swapper/610:00:2328
292789911825,59cyclictest0-21swapper/608:40:1328
292789911825,59cyclictest0-21swapper/608:40:1328
2938099117115,1cyclictest0-21swapper/2907:15:1522
293399911742,56cyclictest0-21swapper/1912:32:2211
293399911728,60cyclictest0-21swapper/1911:57:3811
293399911726,59cyclictest0-21swapper/1910:17:4211
293399911724,62cyclictest0-21swapper/1911:23:2611
293399911724,60cyclictest0-21swapper/1912:06:1111
29298991172,68cyclictest0-21swapper/908:45:0531
29298991172,68cyclictest0-21swapper/908:45:0531
29298991170,69cyclictest0-21swapper/908:40:1531
29298991170,69cyclictest0-21swapper/908:40:1531
292789911738,59cyclictest0-21swapper/608:01:1328
292789911738,59cyclictest0-21swapper/608:01:1328
292789911727,68cyclictest0-21swapper/611:39:1528
292789911725,62cyclictest0-21swapper/609:24:0228
292789911719,63cyclictest0-21swapper/611:24:4928
292539911732,73cyclictest0-21swapper/111:57:201
292489911723,60cyclictest0-21swapper/011:56:350
292489911721,95cyclictest0-21swapper/009:16:250
293399911645,46cyclictest0-21swapper/1909:29:5011
293399911625,59cyclictest0-21swapper/1912:14:0811
293109911619,39cyclictest0-21swapper/1211:15:134
292789911625,60cyclictest0-21swapper/612:36:2628
292789911625,60cyclictest0-21swapper/608:35:0328
292789911625,60cyclictest0-21swapper/608:35:0228
292789911624,59cyclictest0-21swapper/609:16:0028
292789911624,54cyclictest0-21swapper/610:26:3428
292539911630,56cyclictest0-21swapper/107:15:431
292489911619,95cyclictest0-21swapper/011:05:170
29388991156,58cyclictest2021rcuc/3111:50:2125
293399911549,64cyclictest0-21swapper/1911:09:3211
293399911531,35cyclictest0-21swapper/1910:40:4111
293399911526,64cyclictest0-21swapper/1909:38:4011
293399911526,18cyclictest0-21swapper/1908:07:3411
293399911526,18cyclictest0-21swapper/1908:07:3411
293399911525,62cyclictest0-21swapper/1912:36:3911
293399911525,58cyclictest0-21swapper/1911:41:3611
293399911520,71cyclictest0-21swapper/1912:17:2411
292789911528,65cyclictest0-21swapper/610:33:3028
292789911526,58cyclictest0-21swapper/612:25:4528
292789911525,62cyclictest0-21swapper/612:34:5028
292789911525,56cyclictest0-21swapper/607:15:1628
292789911524,60cyclictest0-21swapper/611:26:2528
292789911523,65cyclictest0-21swapper/610:23:2228
292789911521,65cyclictest0-21swapper/608:45:0228
292789911521,65cyclictest0-21swapper/608:45:0228
292489911526,46cyclictest0-21swapper/012:20:250
292489911519,77cyclictest0-21swapper/012:10:140
293399911426,62cyclictest0-21swapper/1908:45:1511
293399911426,62cyclictest0-21swapper/1908:45:1411
293399911425,61cyclictest0-21swapper/1910:11:4911
293399911424,59cyclictest0-21swapper/1910:20:2211
293399911424,58cyclictest0-21swapper/1910:53:3011
293399911424,57cyclictest0-21swapper/1910:39:2111
293399911424,57cyclictest0-21swapper/1908:40:2611
293399911424,57cyclictest0-21swapper/1908:40:2611
29314991140,56cyclictest0-21swapper/1307:42:385
29314991140,56cyclictest0-21swapper/1307:42:385
293039911435,46cyclictest0-21swapper/1010:07:242
29303991143,111cyclictest0-21swapper/1009:32:222
292989911424,57cyclictest0-21swapper/910:29:4931
292789911440,47cyclictest0-21swapper/607:35:0228
292789911427,62cyclictest0-21swapper/607:45:1128
292789911427,62cyclictest0-21swapper/607:45:1028
292789911425,61cyclictest0-21swapper/611:30:4228
292789911424,60cyclictest0-21swapper/610:45:4828
292789911424,59cyclictest0-21swapper/612:02:2428
292789911424,58cyclictest0-21swapper/609:52:0528
292789911424,58cyclictest0-21swapper/608:07:0628
292789911424,58cyclictest0-21swapper/608:07:0628
292539911432,77cyclictest0-21swapper/109:46:561
29388991130,85cyclictest0-21swapper/3110:25:2325
293399911336,48cyclictest0-21swapper/1909:33:5211
293399911325,61cyclictest0-21swapper/1907:15:2911
293399911324,60cyclictest0-21swapper/1907:22:5511
293399911322,60cyclictest0-21swapper/1907:55:1911
293399911322,60cyclictest0-21swapper/1907:55:1911
293109911313,68cyclictest0-21swapper/1209:44:304
292789911327,64cyclictest0-21swapper/612:05:5728
292789911325,57cyclictest0-21swapper/607:30:1328
292789911324,60cyclictest0-21swapper/611:20:0028
292789911324,59cyclictest0-21swapper/609:10:0928
292789911323,58cyclictest0-21swapper/607:55:2028
292789911323,58cyclictest0-21swapper/607:55:2028
292789911321,82cyclictest52-21ksoftirqd/611:48:2028
29388991128,62cyclictest2021rcuc/3107:26:0625
293889911212,69cyclictest0-21swapper/3111:25:1425
293399911227,65cyclictest0-21swapper/1911:25:0211
293399911226,57cyclictest0-21swapper/1909:57:2311
293399911225,62cyclictest0-21swapper/1911:32:3011
292789911226,64cyclictest0-21swapper/611:12:3228
292789911226,64cyclictest0-21swapper/611:00:1428
292789911226,63cyclictest0-21swapper/611:58:2928
292789911223,57cyclictest0-21swapper/609:26:4228
293399911125,60cyclictest0-21swapper/1912:27:3411
293399911124,57cyclictest0-21swapper/1910:45:2911
293399911124,56cyclictest0-21swapper/1907:50:1311
293399911124,56cyclictest0-21swapper/1907:50:1211
293399911123,58cyclictest0-21swapper/1908:54:4911
293399911123,58cyclictest0-21swapper/1908:54:4911
293399911122,58cyclictest0-21swapper/1910:01:4011
293109911142,49cyclictest0-21swapper/1211:44:334
292789911129,68cyclictest0-21swapper/609:33:3928
292789911121,54cyclictest0-21swapper/609:44:5328
29388991109,70cyclictest0-21swapper/3112:05:1925
293399911052,56cyclictest0-21swapper/1910:59:5511
293399911030,62cyclictest0-21swapper/1908:15:2011
293399911030,62cyclictest0-21swapper/1908:15:2011
293399911026,68cyclictest0-21swapper/1911:47:2811
293399911025,61cyclictest0-21swapper/1907:30:2711
293109911040,44cyclictest0-21swapper/1210:30:444
293039911039,49cyclictest0-21swapper/1009:50:172
293039911020,52cyclictest0-21swapper/1010:03:392
292789911026,68cyclictest0-21swapper/608:10:1828
292789911026,68cyclictest0-21swapper/608:10:1828
292789911026,67cyclictest0-21swapper/608:50:2228
292789911026,67cyclictest0-21swapper/608:50:2228
292789911025,65cyclictest0-21swapper/612:12:2328
29248991101,84cyclictest0-21swapper/008:47:520
29248991101,84cyclictest0-21swapper/008:47:520
292489911015,74cyclictest0-21swapper/009:39:210
293399910926,61cyclictest0-21swapper/1909:42:5811
293399910923,56cyclictest0-21swapper/1907:35:4711
293399910923,50cyclictest0-21swapper/1910:32:4011
293349910920,29cyclictest0-21swapper/1807:25:3710
293109910940,50cyclictest0-21swapper/1210:52:074
293109910916,61cyclictest0-21swapper/1209:53:344
293039910921,50cyclictest0-21swapper/1011:55:282
293429910810,91cyclictest0-21swapper/2011:30:1313
293399910826,64cyclictest0-21swapper/1909:18:5511
293109910833,45cyclictest0-21swapper/1209:37:184
293109910831,49cyclictest0-21swapper/1208:17:104
293109910831,49cyclictest0-21swapper/1208:17:104
293109910820,52cyclictest0-21swapper/1210:16:514
293039910842,47cyclictest0-21swapper/1010:13:162
293039910835,48cyclictest0-21swapper/1011:42:312
293039910834,51cyclictest0-21swapper/1011:28:382
293039910824,55cyclictest0-21swapper/1012:19:242
293039910823,58cyclictest0-21swapper/1012:32:132
292989910823,54cyclictest0-21swapper/907:20:2631
292789910823,54cyclictest0-21swapper/607:40:3328
292789910823,54cyclictest0-21swapper/607:40:3328
293399910726,67cyclictest0-21swapper/1907:45:2411
293399910726,67cyclictest0-21swapper/1907:45:2411
293109910735,55cyclictest0-21swapper/1207:40:494
293109910735,55cyclictest0-21swapper/1207:40:484
293109910735,48cyclictest0-21swapper/1212:08:054
293109910724,58cyclictest0-21swapper/1207:52:204
293109910724,58cyclictest0-21swapper/1207:52:204
293109910723,58cyclictest0-21swapper/1212:22:254
293109910723,58cyclictest0-21swapper/1208:35:264
293109910723,58cyclictest0-21swapper/1208:35:254
293109910723,56cyclictest0-21swapper/1209:45:514
293109910722,55cyclictest0-21swapper/1212:32:034
293109910722,28cyclictest0-21swapper/1212:18:414
293109910715,57cyclictest18070-21diskmemload11:10:494
293039910738,53cyclictest0-21swapper/1009:17:092
293039910724,57cyclictest0-21swapper/1012:24:442
293039910723,69cyclictest0-21swapper/1011:36:062
292989910724,49cyclictest0-21swapper/907:35:0531
292489910726,44cyclictest0-21swapper/010:18:180
293399910623,52cyclictest0-21swapper/1912:24:4011
293109910633,47cyclictest0-21swapper/1207:15:424
293109910624,61cyclictest0-21swapper/1210:59:434
293109910623,56cyclictest0-21swapper/1207:45:194
293109910623,56cyclictest0-21swapper/1207:45:194
293109910622,56cyclictest0-21swapper/1208:15:024
293109910622,56cyclictest0-21swapper/1208:15:024
293109910622,55cyclictest0-21swapper/1207:40:014
293039910643,50cyclictest0-21swapper/1008:17:512
293039910643,50cyclictest0-21swapper/1008:17:502
293039910641,53cyclictest0-21swapper/1009:28:552
293039910635,45cyclictest0-21swapper/1010:51:132
293039910625,57cyclictest0-21swapper/1011:01:292
292749910621,27cyclictest151rcu_preempt12:05:2527
293109910530,50cyclictest0-21swapper/1210:29:094
293109910521,58cyclictest0-21swapper/1210:02:074
29308991050,91cyclictest0-21swapper/1109:01:413
293039910522,52cyclictest0-21swapper/1011:16:202
293039910521,57cyclictest0-21swapper/1010:36:472
29303991050,73cyclictest0-21swapper/1012:25:022
292789910535,68cyclictest0-21swapper/608:22:3528
292789910535,68cyclictest0-21swapper/608:22:3428
293109910424,63cyclictest0-21swapper/1209:17:154
293109910424,57cyclictest0-21swapper/1212:10:554
293109910422,60cyclictest0-21swapper/1209:24:284
293109910422,59cyclictest0-21swapper/1210:44:064
293109910422,56cyclictest0-21swapper/1211:27:074
293109910422,55cyclictest0-21swapper/1212:27:124
293109910422,50cyclictest0-21swapper/1211:32:454
293109910421,55cyclictest0-21swapper/1211:21:364
293039910438,58cyclictest0-21swapper/1009:20:222
293039910429,57cyclictest0-21swapper/1011:06:112
293039910425,58cyclictest0-21swapper/1012:13:312
293039910424,57cyclictest0-21swapper/1009:05:242
293039910424,56cyclictest0-21swapper/1009:45:152
293039910423,57cyclictest0-21swapper/1012:38:062
293039910421,61cyclictest0-21swapper/1010:42:402
293039910421,57cyclictest0-21swapper/1011:24:532
293039910420,55cyclictest0-21swapper/1008:55:152
293849910321,81cyclictest0-21swapper/3010:10:2424
2938099103102,1cyclictest0-21swapper/2908:38:0422
2938099103102,1cyclictest0-21swapper/2908:38:0422
293109910324,59cyclictest0-21swapper/1211:58:054
293109910323,21cyclictest0-21swapper/1209:30:544
293109910322,56cyclictest0-21swapper/1210:10:254
293109910322,51cyclictest0-21swapper/1210:36:544
293109910321,53cyclictest0-21swapper/1209:08:264
293109910321,51cyclictest0-21swapper/1211:03:534
293039910324,58cyclictest0-21swapper/1008:37:372
293039910324,58cyclictest0-21swapper/1008:37:372
293039910323,58cyclictest0-21swapper/1012:05:302
292789910323,52cyclictest0-21swapper/609:59:1928
293849910221,80cyclictest0-21swapper/3011:45:3224
293849910220,81cyclictest0-21swapper/3011:43:2224
293619910226,39cyclictest0-21swapper/2412:25:1917
293619910224,77cyclictest0-21swapper/2409:10:1517
293619910219,82cyclictest0-21swapper/2410:36:2117
293349910256,36cyclictest0-21swapper/1812:04:3210
293109910226,63cyclictest0-21swapper/1207:12:314
293109910223,55cyclictest0-21swapper/1211:53:324
293109910221,55cyclictest0-21swapper/1207:30:394
293109910221,54cyclictest0-21swapper/1208:07:304
293109910221,54cyclictest0-21swapper/1208:07:294
293109910219,54cyclictest0-21swapper/1211:46:394
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