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2025-10-20 - 18:27
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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 Mon Oct 20, 2025 12:49:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3049399300103,1cyclictest151rcu_preempt12:03:3713
2482912400,231ptp4l0-21swapper/107:09:251
3052899182180,1cyclictest151rcu_preempt09:21:1621
305289917330,142cyclictest0-21swapper/2812:28:2721
305289917230,98cyclictest0-21swapper/2810:55:2321
305289917030,102cyclictest0-21swapper/2811:35:2421
305289916825,127cyclictest0-21swapper/2811:32:1121
304389916197,63cyclictest52-21ksoftirqd/609:30:1228
304869915453,63cyclictest0-21swapper/1812:08:3410
304869915044,50cyclictest0-21swapper/1810:20:0310
30524991470,86cyclictest0-21swapper/2712:08:1220
305059914718,124cyclictest0-21swapper/2311:40:2116
30524991400,83cyclictest0-21swapper/2712:25:1720
304559914033,56cyclictest0-21swapper/1010:50:252
305289913925,79cyclictest0-21swapper/2811:25:1721
304559913929,73cyclictest0-21swapper/1010:59:302
305059913818,85cyclictest0-21swapper/2311:25:2316
305059913818,74cyclictest0-21swapper/2309:40:2216
305059913718,99cyclictest0-21swapper/2309:45:2616
305059913718,65cyclictest0-21swapper/2310:05:1216
30486991370,83cyclictest0-21swapper/1811:54:0910
304249913732,104cyclictest0-21swapper/310:48:1023
305289913623,46cyclictest0-21swapper/2808:30:0121
305289913623,46cyclictest0-21swapper/2808:30:0021
304249913532,101cyclictest0-21swapper/308:23:0223
304249913532,101cyclictest0-21swapper/308:23:0223
304249913431,67cyclictest0-21swapper/309:55:1523
305289913329,57cyclictest0-21swapper/2812:20:0121
305289913318,86cyclictest0-21swapper/2812:07:4321
30524991330,85cyclictest0-21swapper/2711:35:2020
305059913318,77cyclictest0-21swapper/2309:00:0016
305059913318,77cyclictest0-21swapper/2309:00:0016
304869913316,73cyclictest0-21swapper/1810:46:1610
305289913249,55cyclictest0-21swapper/2809:36:4621
305249913044,56cyclictest0-21swapper/2711:20:2420
304249913033,60cyclictest0-21swapper/307:16:1423
304249913025,72cyclictest0-21swapper/309:36:5423
305289912942,54cyclictest0-21swapper/2810:46:4621
305289912924,75cyclictest0-21swapper/2811:56:2521
305249912935,61cyclictest0-21swapper/2711:12:5720
304869912937,65cyclictest0-21swapper/1807:55:2410
304869912933,51cyclictest0-21swapper/1809:45:5210
304249912923,78cyclictest0-21swapper/310:54:4723
305289912826,61cyclictest0-21swapper/2810:20:3621
305249912825,61cyclictest0-21swapper/2709:21:2720
305289912728,66cyclictest0-21swapper/2811:50:2221
305289912728,65cyclictest0-21swapper/2811:10:0121
305249912731,71cyclictest0-21swapper/2709:57:4720
305249912728,63cyclictest0-21swapper/2710:18:0620
304249912733,93cyclictest0-21swapper/312:32:0523
305289912635,49cyclictest0-21swapper/2812:04:3221
305289912626,66cyclictest0-21swapper/2808:06:5821
305289912626,66cyclictest0-21swapper/2808:06:5721
305289912626,65cyclictest0-21swapper/2812:11:1421
305249912628,66cyclictest0-21swapper/2708:54:2820
305249912628,66cyclictest0-21swapper/2708:54:2820
305249912628,63cyclictest0-21swapper/2710:05:1120
305249912626,65cyclictest0-21swapper/2710:32:0020
305249912625,67cyclictest0-21swapper/2710:57:3720
305249912624,60cyclictest0-21swapper/2712:17:1620
304559912646,56cyclictest0-21swapper/1011:43:512
305289912536,66cyclictest0-21swapper/2809:59:4521
305289912530,62cyclictest0-21swapper/2809:04:1021
305289912530,62cyclictest0-21swapper/2809:04:1021
305289912527,66cyclictest0-21swapper/2811:06:0221
305289912527,63cyclictest0-21swapper/2810:40:2221
305289912526,64cyclictest0-21swapper/2810:52:3721
305289912526,60cyclictest0-21swapper/2812:36:5221
305249912527,64cyclictest0-21swapper/2712:01:1520
305249912526,64cyclictest0-21swapper/2712:30:3820
305249912526,63cyclictest0-21swapper/2710:45:2120
304559912520,104cyclictest0-21swapper/1010:49:542
305289912427,64cyclictest0-21swapper/2812:33:3821
305289912427,64cyclictest0-21swapper/2810:17:2521
305289912426,64cyclictest0-21swapper/2807:16:4621
305289912425,70cyclictest0-21swapper/2807:36:3221
305289912425,62cyclictest0-21swapper/2808:10:1221
305289912425,62cyclictest0-21swapper/2808:10:1221
305289912424,67cyclictest0-21swapper/2810:05:0421
305249912428,63cyclictest0-21swapper/2710:28:1520
305249912427,66cyclictest0-21swapper/2708:30:2620
305249912427,66cyclictest0-21swapper/2708:30:2620
305249912427,65cyclictest0-21swapper/2711:30:1520
305249912426,66cyclictest0-21swapper/2708:25:2220
305249912426,66cyclictest0-21swapper/2708:25:2220
305289912333,59cyclictest0-21swapper/2812:20:0221
305289912327,65cyclictest0-21swapper/2810:39:3221
305289912325,68cyclictest0-21swapper/2811:45:0921
305289912325,65cyclictest0-21swapper/2810:10:2821
305289912322,64cyclictest0-21swapper/2811:20:5821
305249912329,66cyclictest0-21swapper/2711:54:1720
305249912329,66cyclictest0-21swapper/2709:42:5020
305249912328,66cyclictest0-21swapper/2710:39:5920
305399912224,61cyclictest0-21swapper/3110:05:2125
305289912252,60cyclictest0-21swapper/2807:40:1821
305289912231,74cyclictest0-21swapper/2808:43:5221
305289912231,74cyclictest0-21swapper/2808:43:5221
305289912230,74cyclictest0-21swapper/2808:02:1121
305289912230,67cyclictest0-21swapper/2808:50:1621
305289912230,67cyclictest0-21swapper/2808:50:1621
305289912229,68cyclictest0-21swapper/2809:27:4221
305289912229,65cyclictest0-21swapper/2809:50:3721
305289912228,64cyclictest0-21swapper/2809:42:4021
305289912228,63cyclictest0-21swapper/2809:34:5321
305289912227,65cyclictest0-21swapper/2810:00:1821
305289912226,63cyclictest0-21swapper/2807:57:5521
305249912232,78cyclictest0-21swapper/2709:52:2720
305249912226,69cyclictest0-21swapper/2709:34:1720
305059912218,75cyclictest0-21swapper/2312:07:3516
304869912244,47cyclictest0-21swapper/1812:14:2710
304559912246,49cyclictest0-21swapper/1012:06:492
305289912129,70cyclictest0-21swapper/2809:45:5221
305289912127,68cyclictest0-21swapper/2809:05:1421
305289912127,68cyclictest0-21swapper/2809:05:1421
305289912127,61cyclictest0-21swapper/2809:18:0121
305289912127,60cyclictest0-21swapper/2808:33:4221
305289912127,60cyclictest0-21swapper/2808:33:4121
305289912125,64cyclictest0-21swapper/2807:10:2321
305289912125,62cyclictest0-21swapper/2809:12:1021
305289912124,64cyclictest0-21swapper/2807:25:1921
305249912147,62cyclictest0-21swapper/2707:50:0620
305249912130,68cyclictest0-21swapper/2707:35:2420
305249912130,64cyclictest0-21swapper/2711:56:2620
305249912128,68cyclictest0-21swapper/2711:41:1720
305249912128,66cyclictest0-21swapper/2712:10:1920
304869912128,46cyclictest0-21swapper/1811:43:2510
304149912154,44cyclictest0-21swapper/108:32:081
304149912154,44cyclictest0-21swapper/108:32:071
305249912029,66cyclictest0-21swapper/2711:19:1520
305249912028,63cyclictest0-21swapper/2710:41:3720
305249912024,63cyclictest0-21swapper/2707:26:0220
304869912045,49cyclictest0-21swapper/1809:54:5810
304559912024,65cyclictest0-21swapper/1010:44:002
304559912016,83cyclictest0-21swapper/1011:09:402
304389912024,77cyclictest0-21swapper/612:19:3628
304389912024,69cyclictest0-21swapper/610:55:4028
30414991209,67cyclictest0-21swapper/111:48:471
305249911927,62cyclictest0-21swapper/2708:03:2620
305249911924,58cyclictest0-21swapper/2710:01:3320
304979911941,48cyclictest143-21ksoftirqd/2111:16:1514
304559911927,60cyclictest0-21swapper/1011:00:092
304559911926,66cyclictest0-21swapper/1011:47:362
304389911920,98cyclictest0-21swapper/609:25:0828
304149911916,37cyclictest0-21swapper/107:19:121
305289911825,62cyclictest0-21swapper/2807:49:5421
304869911839,51cyclictest0-21swapper/1812:39:3510
304869911836,52cyclictest0-21swapper/1807:31:1210
304559911847,56cyclictest0-21swapper/1008:32:342
304559911847,56cyclictest0-21swapper/1008:32:332
304559911844,61cyclictest0-21swapper/1009:53:152
304559911826,62cyclictest0-21swapper/1011:24:372
304559911823,62cyclictest0-21swapper/1010:10:522
304559911823,56cyclictest0-21swapper/1009:29:122
30539991173,70cyclictest0-21swapper/3109:33:1625
305289911732,64cyclictest0-21swapper/2808:48:4121
305289911732,64cyclictest0-21swapper/2808:48:4021
305289911727,69cyclictest0-21swapper/2810:26:2821
305249911743,63cyclictest0-21swapper/2712:39:3220
305159911755,48cyclictest0-21swapper/2509:54:1718
304559911726,65cyclictest0-21swapper/1012:17:312
304559911726,61cyclictest0-21swapper/1007:35:222
304559911725,63cyclictest0-21swapper/1012:37:182
304559911725,61cyclictest0-21swapper/1011:56:102
304559911724,66cyclictest0-21swapper/1007:44:152
305249911630,76cyclictest0-21swapper/2711:00:2020
304869911641,51cyclictest0-21swapper/1809:23:2310
304559911653,57cyclictest0-21swapper/1009:58:342
304559911633,59cyclictest0-21swapper/1009:00:212
304559911633,59cyclictest0-21swapper/1009:00:202
304559911627,71cyclictest0-21swapper/1007:20:262
304559911627,63cyclictest0-21swapper/1009:15:492
304559911627,59cyclictest0-21swapper/1011:52:102
304559911626,62cyclictest0-21swapper/1012:13:162
304559911625,61cyclictest0-21swapper/1012:28:142
304559911625,61cyclictest0-21swapper/1009:41:282
304559911625,60cyclictest0-21swapper/1010:04:592
304559911623,59cyclictest0-21swapper/1009:34:322
304099911626,67cyclictest0-21swapper/010:28:080
304099911625,90cyclictest0-21swapper/011:21:030
304099911625,82cyclictest0-21swapper/010:04:340
304099911625,81cyclictest0-21swapper/012:23:160
305289911522,56cyclictest0-21swapper/2811:15:3821
305249911531,73cyclictest0-21swapper/2708:55:1720
305249911531,73cyclictest0-21swapper/2708:55:1620
305249911513,68cyclictest0-21swapper/2711:25:2720
304869911520,55cyclictest0-21swapper/1809:15:5810
304699911542,72cyclictest0-21swapper/1408:50:146
304699911542,72cyclictest0-21swapper/1408:50:146
304559911527,63cyclictest0-21swapper/1010:38:392
304559911523,63cyclictest0-21swapper/1010:28:312
304559911523,59cyclictest0-21swapper/1009:12:362
304559911523,57cyclictest0-21swapper/1008:40:022
304559911523,57cyclictest0-21swapper/1008:40:012
304559911522,55cyclictest0-21swapper/1011:31:022
304099911525,87cyclictest0-21swapper/011:58:240
304099911525,81cyclictest0-21swapper/009:48:030
304099911525,68cyclictest0-21swapper/009:22:220
304099911524,80cyclictest0-21swapper/010:35:240
304099911524,61cyclictest0-21swapper/009:41:070
305249911426,59cyclictest0-21swapper/2707:30:1920
304869911449,52cyclictest0-21swapper/1810:57:3110
304559911425,61cyclictest0-21swapper/1008:10:392
304559911425,61cyclictest0-21swapper/1008:10:382
304559911422,61cyclictest0-21swapper/1009:35:052
304149911415,84cyclictest13497-21taskset11:16:111
304099911425,82cyclictest0-21swapper/009:30:090
304099911425,79cyclictest0-21swapper/011:25:200
304099911425,72cyclictest0-21swapper/007:30:120
304099911425,58cyclictest0-21swapper/010:45:180
304099911425,48cyclictest0-21swapper/012:12:330
304099911424,78cyclictest0-21swapper/012:35:230
304099911423,90cyclictest0-21swapper/009:27:170
305289911343,69cyclictest0-21swapper/2807:21:0321
304869911341,55cyclictest0-21swapper/1811:49:5110
304869911339,58cyclictest0-21swapper/1808:27:5010
304869911339,58cyclictest0-21swapper/1808:27:5010
304869911323,59cyclictest0-21swapper/1812:20:0610
304869911323,57cyclictest0-21swapper/1807:40:1910
304869911322,57cyclictest0-21swapper/1810:15:5010
304869911311,76cyclictest0-21swapper/1808:47:3910
304869911311,76cyclictest0-21swapper/1808:47:3810
304559911328,64cyclictest0-21swapper/1010:15:092
304559911326,56cyclictest0-21swapper/1012:03:062
304559911325,58cyclictest0-21swapper/1011:37:262
304469911339,32cyclictest0-21swapper/811:14:3130
304099911325,54cyclictest0-21swapper/011:07:430
304099911325,46cyclictest0-21swapper/009:04:420
304099911325,46cyclictest0-21swapper/009:04:420
304099911325,45cyclictest0-21swapper/011:45:520
304099911324,82cyclictest0-21swapper/010:11:080
304099911323,84cyclictest0-21swapper/009:15:330
304099911322,80cyclictest0-21swapper/010:51:090
30539991123,60cyclictest0-21swapper/3107:23:2625
304979911242,47cyclictest30495-21taskset09:38:4314
304979911237,74cyclictest143-21ksoftirqd/2111:59:3214
304869911225,62cyclictest0-21swapper/1808:05:2710
304869911225,62cyclictest0-21swapper/1808:05:2610
304869911225,59cyclictest0-21swapper/1810:38:4510
304869911224,62cyclictest0-21swapper/1809:27:4310
304869911222,56cyclictest0-21swapper/1807:24:4910
304559911230,75cyclictest0-21swapper/1009:47:532
304559911227,65cyclictest0-21swapper/1008:09:412
304559911227,65cyclictest0-21swapper/1008:09:402
304559911225,63cyclictest0-21swapper/1010:30:382
304149911242,47cyclictest0-21swapper/111:42:381
304099911222,57cyclictest0-21swapper/011:38:340
304099911221,89cyclictest0-21swapper/007:15:140
30531991110,82cyclictest0-21swapper/2912:18:2322
304869911124,59cyclictest0-21swapper/1810:51:0610
304869911124,57cyclictest0-21swapper/1808:40:1010
304869911124,57cyclictest0-21swapper/1808:40:1010
304869911122,53cyclictest0-21swapper/1810:30:3310
304559911128,57cyclictest0-21swapper/1007:25:132
304559911126,52cyclictest0-21swapper/1012:30:222
304149911141,44cyclictest0-21swapper/109:47:331
304149911134,50cyclictest0-21swapper/112:37:281
304099911119,91cyclictest0-21swapper/010:15:180
304979911030,60cyclictest0-21swapper/2111:40:0314
304869911027,69cyclictest0-21swapper/1808:50:5010
304869911027,69cyclictest0-21swapper/1808:50:5010
304869911027,53cyclictest0-21swapper/1811:17:0010
304869911026,60cyclictest0-21swapper/1811:32:4710
304869911024,57cyclictest0-21swapper/1807:20:0210
304869911023,57cyclictest0-21swapper/1810:02:2510
30486991100,25cyclictest0-21swapper/1811:03:5410
304699911037,72cyclictest0-21swapper/1411:20:256
304559911026,69cyclictest0-21swapper/1010:23:422
304249911026,48cyclictest0-21swapper/310:24:3923
304149911038,45cyclictest0-21swapper/111:08:271
304099911025,57cyclictest0-21swapper/012:09:230
304099911019,90cyclictest0-21swapper/010:05:500
305159910954,53cyclictest0-21swapper/2507:30:1718
304979910922,51cyclictest0-21swapper/2107:52:4014
304869910931,56cyclictest0-21swapper/1812:17:1010
304869910925,62cyclictest0-21swapper/1812:33:0810
304869910925,61cyclictest0-21swapper/1808:17:4210
304869910925,61cyclictest0-21swapper/1808:17:4110
304869910924,54cyclictest0-21swapper/1807:10:2410
304869910923,61cyclictest0-21swapper/1809:10:3710
304869910923,57cyclictest0-21swapper/1808:33:4610
304869910923,57cyclictest0-21swapper/1808:33:4510
304869910923,56cyclictest0-21swapper/1811:35:5910
304869910923,55cyclictest0-21swapper/1809:06:2010
304869910923,55cyclictest0-21swapper/1809:06:2010
304249910913,75cyclictest24883-21taskset11:04:2723
304149910947,56cyclictest0-21swapper/110:34:001
304149910947,54cyclictest0-21swapper/112:05:261
304149910940,43cyclictest0-21swapper/111:02:221
304149910938,50cyclictest0-21swapper/110:17:321
304149910933,47cyclictest0-21swapper/107:45:241
304149910926,56cyclictest0-21swapper/109:25:371
304149910923,58cyclictest0-21swapper/112:02:221
304149910922,58cyclictest0-21swapper/111:36:451
304099910919,68cyclictest0-21swapper/011:19:280
329891108100,6phc2sys0-21swapper/207:05:2812
305319910817,88cyclictest0-21swapper/2907:30:2122
30531991081,56cyclictest191-21ksoftirqd/2909:55:0922
305159910846,62cyclictest0-21swapper/2510:26:0618
304979910844,21cyclictest0-21swapper/2111:31:3414
304559910825,61cyclictest0-21swapper/1008:15:282
304559910825,61cyclictest0-21swapper/1008:15:272
304149910839,46cyclictest0-21swapper/111:29:161
304149910838,53cyclictest0-21swapper/108:59:071
304149910838,53cyclictest0-21swapper/108:59:071
304149910836,47cyclictest0-21swapper/111:24:431
304149910831,50cyclictest0-21swapper/110:39:351
304149910825,59cyclictest0-21swapper/110:00:021
304149910823,59cyclictest0-21swapper/108:47:531
304149910823,59cyclictest0-21swapper/108:47:531
304149910823,57cyclictest0-21swapper/109:17:161
304149910811,57cyclictest0-21swapper/112:28:391
304099910817,88cyclictest0-21swapper/011:44:080
305159910741,47cyclictest0-21swapper/2512:06:0218
30515991070,85cyclictest0-21swapper/2512:15:0718
304979910719,29cyclictest0-21swapper/2108:00:2514
304869910727,69cyclictest0-21swapper/1811:11:2110
304869910727,64cyclictest0-21swapper/1808:24:3810
304869910727,64cyclictest0-21swapper/1808:24:3810
304869910722,56cyclictest0-21swapper/1809:43:1110
304869910721,55cyclictest0-21swapper/1812:27:1710
304389910722,49cyclictest0-21swapper/609:00:1628
304389910722,49cyclictest0-21swapper/609:00:1628
304389910716,64cyclictest0-21swapper/611:36:5028
304249910727,63cyclictest0-21swapper/312:12:3623
304149910744,55cyclictest0-21swapper/109:20:291
304149910740,44cyclictest0-21swapper/110:29:121
304149910736,56cyclictest0-21swapper/110:55:371
304149910731,49cyclictest0-21swapper/110:23:001
304149910724,60cyclictest0-21swapper/109:55:451
304149910723,55cyclictest0-21swapper/112:24:191
304149910721,55cyclictest0-21swapper/111:11:091
304149910720,57cyclictest0-21swapper/110:06:451
305159910611,72cyclictest27434-21taskset09:59:3918
305059910641,48cyclictest0-21swapper/2307:30:3216
304979910628,52cyclictest0-21swapper/2110:19:5414
304979910623,56cyclictest0-21swapper/2109:17:3614
304869910621,50cyclictest0-21swapper/1810:29:4310
304149910624,56cyclictest0-21swapper/111:51:431
304149910623,60cyclictest0-21swapper/107:59:481
304149910623,57cyclictest0-21swapper/109:31:451
304149910623,54cyclictest0-21swapper/111:56:481
304149910622,57cyclictest0-21swapper/112:14:431
304979910536,62cyclictest0-21swapper/2109:51:5214
304979910532,50cyclictest0-21swapper/2110:22:4914
304979910531,49cyclictest0-21swapper/2110:59:0914
304979910523,53cyclictest0-21swapper/2109:20:1414
304979910522,55cyclictest0-21swapper/2109:11:1314
304979910521,58cyclictest0-21swapper/2107:35:0214
304979910520,56cyclictest0-21swapper/2110:42:0614
304559910529,69cyclictest0-21swapper/1008:20:152
304559910529,69cyclictest0-21swapper/1008:20:152
304249910533,39cyclictest0-21swapper/309:44:0323
304249910523,42cyclictest0-21swapper/309:34:2523
304149910522,54cyclictest0-21swapper/112:30:441
304149910522,52cyclictest0-21swapper/108:38:001
304149910522,52cyclictest0-21swapper/108:37:591
305289910433,70cyclictest0-21swapper/2811:41:5021
30524991046,56cyclictest0-21swapper/2710:23:4920
305159910444,53cyclictest0-21swapper/2510:03:5618
305159910435,45cyclictest0-21swapper/2509:10:4418
305159910432,49cyclictest0-21swapper/2511:11:3018
304979910438,54cyclictest0-21swapper/2111:47:4714
304979910425,53cyclictest0-21swapper/2111:37:3714
304979910423,57cyclictest0-21swapper/2109:25:0614
304979910423,52cyclictest0-21swapper/2111:09:1914
304979910411,69cyclictest19875-21taskset08:15:2214
304979910411,69cyclictest19875-21taskset08:15:2214
304869910451,52cyclictest0-21swapper/1809:55:3010
304869910427,61cyclictest0-21swapper/1810:07:1510
304869910424,51cyclictest0-21swapper/1811:06:0310
304559910430,62cyclictest0-21swapper/1007:12:562
304469910430,30cyclictest0-21swapper/810:57:5430
304149910436,59cyclictest0-21swapper/112:16:401
304149910431,57cyclictest0-21swapper/110:12:521
304099910425,38cyclictest0-21swapper/007:58:590
305289910320,50cyclictest0-21swapper/2810:33:5721
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