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2026-05-15 - 22:37

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #c, slot #8

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 rackcslot8s.osadl.org (updated Fri May 15, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2304521010,3sleep125-21ksoftirqd/119:05:211
111391700,5ptp4l0-21swapper/419:05:144
111391690,5ptp4l0-21swapper/019:05:160
111391620,5ptp4l0-21swapper/219:07:182
95622600,0sleep40-21swapper/422:29:014
95622600,0sleep40-21swapper/422:29:004
286182570,0sleep50-21swapper/523:37:585
2365325332,7sleep50-21swapper/519:09:275
2367325140,6sleep70-21swapper/719:09:447
111391510,5ptp4l0-21swapper/619:07:366
2360724635,7sleep30-21swapper/319:08:513
111391340,2ptp4l0-21swapper/122:40:151
111391320,0ptp4l0-21swapper/123:36:131
111391310,0ptp4l0-21swapper/421:48:104
111391310,0ptp4l0-21swapper/023:23:040
111391300,0ptp4l0-21swapper/423:49:424
111391300,0ptp4l0-21swapper/423:24:174
111391300,0ptp4l0-21swapper/121:14:271
111391300,0ptp4l0-21swapper/022:36:140
111391300,0ptp4l0-21swapper/022:04:560
111391300,0ptp4l0-21swapper/021:42:190
111391290,2ptp4l0-21swapper/523:13:455
111391290,0ptp4l0-21swapper/721:56:147
111391290,0ptp4l0-21swapper/522:38:275
111391290,0ptp4l0-21swapper/421:39:414
111391290,0ptp4l0-21swapper/421:19:154
111391290,0ptp4l0-21swapper/400:35:184
111391290,0ptp4l0-21swapper/122:48:251
111391290,0ptp4l0-21swapper/121:31:561
111391290,0ptp4l0-21swapper/023:11:390
111391280,0ptp4l0-21swapper/423:06:544
111391280,0ptp4l0-21swapper/423:01:534
111391280,0ptp4l0-21swapper/421:21:224
111391280,0ptp4l0-21swapper/400:32:164
111391280,0ptp4l0-21swapper/300:27:153
111391280,0ptp4l0-21swapper/122:12:531
111391280,0ptp4l0-21swapper/023:42:070
111391280,0ptp4l0-21swapper/023:07:070
111391280,0ptp4l0-21swapper/021:46:130
111391280,0ptp4l0-21swapper/020:55:000
111391280,0ptp4l0-21swapper/019:55:200
111391280,0ptp4l0-21swapper/000:19:280
111391280,0ptp4l0-21swapper/000:00:520
111391270,6ptp4l0-21swapper/522:49:305
111391270,2ptp4l0-21swapper/121:48:421
111391270,1ptp4l7083-21cut19:40:164
111391270,0ptp4l0-21swapper/700:14:227
111391270,0ptp4l0-21swapper/523:32:395
111391270,0ptp4l0-21swapper/523:20:555
111391270,0ptp4l0-21swapper/522:15:515
111391270,0ptp4l0-21swapper/521:42:475
111391270,0ptp4l0-21swapper/521:37:105
111391270,0ptp4l0-21swapper/423:53:194
111391270,0ptp4l0-21swapper/423:13:274
111391270,0ptp4l0-21swapper/422:19:114
111391270,0ptp4l0-21swapper/421:31:364
111391270,0ptp4l0-21swapper/400:11:124
111391270,0ptp4l0-21swapper/300:12:233
111391270,0ptp4l0-21swapper/121:37:001
111391270,0ptp4l0-21swapper/023:51:230
111391270,0ptp4l0-21swapper/023:17:510
111391270,0ptp4l0-21swapper/022:43:410
111391270,0ptp4l0-21swapper/022:28:460
111391270,0ptp4l0-21swapper/022:28:460
111391270,0ptp4l0-21swapper/021:17:390
111391270,0ptp4l0-21swapper/021:10:560
111391270,0ptp4l0-21swapper/000:34:390
111391260,3ptp4l0-21swapper/422:24:104
111391260,0ptp4l121rcu_preempt23:05:181
111391260,0ptp4l0-21swapper/723:19:567
111391260,0ptp4l0-21swapper/521:54:355
111391260,0ptp4l0-21swapper/521:15:065
111391260,0ptp4l0-21swapper/500:35:325
111391260,0ptp4l0-21swapper/423:27:444
111391260,0ptp4l0-21swapper/422:42:164
111391260,0ptp4l0-21swapper/422:00:014
111391260,0ptp4l0-21swapper/421:13:334
111391260,0ptp4l0-21swapper/400:24:004
111391260,0ptp4l0-21swapper/322:11:093
111391260,0ptp4l0-21swapper/321:56:323
111391260,0ptp4l0-21swapper/022:50:070
111391260,0ptp4l0-21swapper/020:16:430
111391260,0ptp4l0-21swapper/000:37:440
111391250,1ptp4l7279-21smart_sda19:40:180
111391250,1ptp4l24626-21fw_conntrack22:05:121
111391250,1ptp4l12036-21memory23:15:161
111391250,1ptp4l0-21swapper/122:25:101
111391250,1ptp4l0-21swapper/122:25:101
111391250,0ptp4l0-21swapper/523:05:125
111391250,0ptp4l0-21swapper/520:35:215
111391250,0ptp4l0-21swapper/519:45:165
111391250,0ptp4l0-21swapper/519:45:165
111391250,0ptp4l0-21swapper/500:24:325
111391250,0ptp4l0-21swapper/422:50:134
111391250,0ptp4l0-21swapper/422:49:584
111391250,0ptp4l0-21swapper/422:05:494
111391250,0ptp4l0-21swapper/419:15:134
111391250,0ptp4l0-21swapper/400:25:124
111391250,0ptp4l0-21swapper/400:16:464
111391250,0ptp4l0-21swapper/219:15:022
111391250,0ptp4l0-21swapper/123:41:521
111391250,0ptp4l0-21swapper/123:30:171
111391250,0ptp4l0-21swapper/122:51:461
111391250,0ptp4l0-21swapper/023:35:130
111391250,0ptp4l0-21swapper/022:48:140
111391250,0ptp4l0-21swapper/021:38:520
111391250,0ptp4l0-21swapper/021:29:590
111391240,1ptp4l30065-21latency19:20:154
111391240,1ptp4l21462-21users20:10:194
111391240,1ptp4l15222-21df23:20:113
111391240,0ptp4l3889-21df20:45:114
111391240,0ptp4l0-21swapper/523:50:415
111391240,0ptp4l0-21swapper/521:28:275
111391240,0ptp4l0-21swapper/521:12:275
111391240,0ptp4l0-21swapper/519:50:205
111391240,0ptp4l0-21swapper/422:56:334
111391240,0ptp4l0-21swapper/421:54:544
111391240,0ptp4l0-21swapper/420:50:194
111391240,0ptp4l0-21swapper/420:20:024
111391240,0ptp4l0-21swapper/420:15:114
111391240,0ptp4l0-21swapper/419:35:154
111391240,0ptp4l0-21swapper/400:00:424
111391240,0ptp4l0-21swapper/123:56:461
111391240,0ptp4l0-21swapper/123:14:271
111391240,0ptp4l0-21swapper/120:35:121
111391240,0ptp4l0-21swapper/023:46:290
111391240,0ptp4l0-21swapper/023:30:130
111391240,0ptp4l0-21swapper/023:00:050
111391240,0ptp4l0-21swapper/022:58:470
111391240,0ptp4l0-21swapper/022:23:390
111391240,0ptp4l0-21swapper/022:15:420
111391240,0ptp4l0-21swapper/019:20:100
111391240,0ptp4l0-21swapper/019:15:100
111391240,0ptp4l0-21swapper/000:25:090
111391240,0ptp4l0-21swapper/000:07:100
235312230,1sleep623535-21needreboot00:15:176
111391230,1ptp4l6524-21ssh23:50:381
111391230,0ptp4l14726-21diskmemload00:20:140
111391230,0ptp4l0-21swapper/723:20:167
111391230,0ptp4l0-21swapper/620:57:266
111391230,0ptp4l0-21swapper/619:15:006
111391230,0ptp4l0-21swapper/523:41:115
111391230,0ptp4l0-21swapper/523:26:185
111391230,0ptp4l0-21swapper/523:15:125
111391230,0ptp4l0-21swapper/522:50:235
111391230,0ptp4l0-21swapper/522:32:425
111391230,0ptp4l0-21swapper/521:59:165
111391230,0ptp4l0-21swapper/521:30:175
111391230,0ptp4l0-21swapper/520:50:145
111391230,0ptp4l0-21swapper/520:30:125
111391230,0ptp4l0-21swapper/519:35:015
111391230,0ptp4l0-21swapper/519:25:105
111391230,0ptp4l0-21swapper/500:10:165
111391230,0ptp4l0-21swapper/423:55:204
111391230,0ptp4l0-21swapper/423:36:304
111391230,0ptp4l0-21swapper/423:30:204
111391230,0ptp4l0-21swapper/422:30:124
111391230,0ptp4l0-21swapper/422:10:144
111391230,0ptp4l0-21swapper/421:40:124
111391230,0ptp4l0-21swapper/421:25:204
111391230,0ptp4l0-21swapper/421:00:194
111391230,0ptp4l0-21swapper/420:55:164
111391230,0ptp4l0-21swapper/420:40:154
111391230,0ptp4l0-21swapper/420:05:184
111391230,0ptp4l0-21swapper/419:55:154
111391230,0ptp4l0-21swapper/419:10:154
111391230,0ptp4l0-21swapper/400:07:564
111391230,0ptp4l0-21swapper/223:50:012
111391230,0ptp4l0-21swapper/223:35:162
111391230,0ptp4l0-21swapper/121:58:391
111391230,0ptp4l0-21swapper/121:54:411
111391230,0ptp4l0-21swapper/121:25:171
111391230,0ptp4l0-21swapper/121:05:121
111391230,0ptp4l0-21swapper/119:50:191
111391230,0ptp4l0-21swapper/119:45:141
111391230,0ptp4l0-21swapper/119:45:131
111391230,0ptp4l0-21swapper/119:30:191
111391230,0ptp4l0-21swapper/100:09:191
111391230,0ptp4l0-21swapper/023:56:010
111391230,0ptp4l0-21swapper/023:25:190
111391230,0ptp4l0-21swapper/022:30:150
111391230,0ptp4l0-21swapper/022:10:120
111391230,0ptp4l0-21swapper/022:05:120
111391230,0ptp4l0-21swapper/021:52:580
111391230,0ptp4l0-21swapper/021:31:240
111391230,0ptp4l0-21swapper/021:20:130
111391230,0ptp4l0-21swapper/020:50:100
111391230,0ptp4l0-21swapper/020:45:120
111391230,0ptp4l0-21swapper/020:30:110
111391230,0ptp4l0-21swapper/020:10:110
111391230,0ptp4l0-21swapper/020:05:170
111391230,0ptp4l0-21swapper/019:35:150
111391230,0ptp4l0-21swapper/019:25:180
111391230,0ptp4l0-21swapper/019:10:200
111391220,1ptp4l25-21ksoftirqd/123:01:031
111391220,0ptp4l0-21swapper/722:11:027
111391220,0ptp4l0-21swapper/700:26:427
111391220,0ptp4l0-21swapper/623:56:296
111391220,0ptp4l0-21swapper/623:50:126
111391220,0ptp4l0-21swapper/623:45:056
111391220,0ptp4l0-21swapper/623:42:316
111391220,0ptp4l0-21swapper/623:35:206
111391220,0ptp4l0-21swapper/622:05:146
111391220,0ptp4l0-21swapper/621:38:406
111391220,0ptp4l0-21swapper/523:56:475
111391220,0ptp4l0-21swapper/523:48:015
111391220,0ptp4l0-21swapper/523:01:255
111391220,0ptp4l0-21swapper/522:55:195
111391220,0ptp4l0-21swapper/522:40:135
111391220,0ptp4l0-21swapper/522:14:335
111391220,0ptp4l0-21swapper/521:49:555
111391220,0ptp4l0-21swapper/521:05:125
111391220,0ptp4l0-21swapper/520:40:135
111391220,0ptp4l0-21swapper/520:25:115
111391220,0ptp4l0-21swapper/520:06:485
111391220,0ptp4l0-21swapper/500:33:585
111391220,0ptp4l0-21swapper/500:10:005
111391220,0ptp4l0-21swapper/423:40:334
111391220,0ptp4l0-21swapper/422:35:174
111391220,0ptp4l0-21swapper/421:55:064
111391220,0ptp4l0-21swapper/420:30:204
111391220,0ptp4l0-21swapper/420:27:424
111391220,0ptp4l0-21swapper/419:54:434
111391220,0ptp4l0-21swapper/419:45:124
111391220,0ptp4l0-21swapper/419:45:114
111391220,0ptp4l0-21swapper/419:30:114
111391220,0ptp4l0-21swapper/321:51:143
111391220,0ptp4l0-21swapper/223:56:262
111391220,0ptp4l0-21swapper/222:36:592
111391220,0ptp4l0-21swapper/222:05:142
111391220,0ptp4l0-21swapper/123:27:291
111391220,0ptp4l0-21swapper/123:21:541
111391220,0ptp4l0-21swapper/122:35:501
111391220,0ptp4l0-21swapper/122:22:171
111391220,0ptp4l0-21swapper/121:40:131
111391220,0ptp4l0-21swapper/121:24:191
111391220,0ptp4l0-21swapper/120:50:161
111391220,0ptp4l0-21swapper/120:47:191
111391220,0ptp4l0-21swapper/120:30:131
111391220,0ptp4l0-21swapper/120:25:101
111391220,0ptp4l0-21swapper/120:25:001
111391220,0ptp4l0-21swapper/119:25:001
111391220,0ptp4l0-21swapper/100:38:181
111391220,0ptp4l0-21swapper/100:32:491
111391220,0ptp4l0-21swapper/100:21:061
111391220,0ptp4l0-21swapper/100:16:191
111391220,0ptp4l0-21swapper/100:10:161
111391220,0ptp4l0-21swapper/021:57:470
111391220,0ptp4l0-21swapper/021:00:180
111391220,0ptp4l0-21swapper/020:40:150
111391220,0ptp4l0-21swapper/020:20:180
111391220,0ptp4l0-21swapper/020:00:140
111391220,0ptp4l0-21swapper/019:30:160
111391220,0ptp4l0-21swapper/000:12:160
111391210,1ptp4l57-21ksoftirqd/500:16:555
111391210,0ptp4l14726-21diskmemload22:00:295
111391210,0ptp4l0-21swapper/723:10:407
111391210,0ptp4l0-21swapper/722:07:407
111391210,0ptp4l0-21swapper/622:36:596
111391210,0ptp4l0-21swapper/619:43:166
111391210,0ptp4l0-21swapper/522:25:135
111391210,0ptp4l0-21swapper/522:25:125
111391210,0ptp4l0-21swapper/522:22:575
111391210,0ptp4l0-21swapper/522:08:325
111391210,0ptp4l0-21swapper/520:13:435
111391210,0ptp4l0-21swapper/519:37:145
111391210,0ptp4l0-21swapper/519:15:165
111391210,0ptp4l0-21swapper/519:10:175
111391210,0ptp4l0-21swapper/423:15:304
111391210,0ptp4l0-21swapper/420:00:104
111391210,0ptp4l0-21swapper/419:27:094
111391210,0ptp4l0-21swapper/323:19:213
111391210,0ptp4l0-21swapper/323:10:483
111391210,0ptp4l0-21swapper/223:42:362
111391210,0ptp4l0-21swapper/222:56:042
111391210,0ptp4l0-21swapper/221:38:372
111391210,0ptp4l0-21swapper/123:48:311
111391210,0ptp4l0-21swapper/122:55:181
111391210,0ptp4l0-21swapper/122:31:311
111391210,0ptp4l0-21swapper/122:15:231
111391210,0ptp4l0-21swapper/121:15:091
111391210,0ptp4l0-21swapper/121:04:171
111391210,0ptp4l0-21swapper/120:56:321
111391210,0ptp4l0-21swapper/120:41:361
111391210,0ptp4l0-21swapper/120:05:021
111391210,0ptp4l0-21swapper/119:10:171
111391210,0ptp4l0-21swapper/020:35:560
111391210,0ptp4l0-21swapper/019:51:430
111391200,0ptp4l0-21swapper/721:51:217
111391200,0ptp4l0-21swapper/622:56:056
111391200,0ptp4l0-21swapper/622:26:236
111391200,0ptp4l0-21swapper/622:26:226
111391200,0ptp4l0-21swapper/521:24:205
111391200,0ptp4l0-21swapper/521:02:565
111391200,0ptp4l0-21swapper/520:24:435
111391200,0ptp4l0-21swapper/519:44:175
111391200,0ptp4l0-21swapper/500:25:425
111391200,0ptp4l0-21swapper/420:36:204
111391200,0ptp4l0-21swapper/322:07:393
111391200,0ptp4l0-21swapper/223:45:092
111391200,0ptp4l0-21swapper/220:46:172
111391200,0ptp4l0-21swapper/219:43:172
111391200,0ptp4l0-21swapper/122:00:241
111391200,0ptp4l0-21swapper/119:57:231
111391200,0ptp4l0-21swapper/119:36:481
111391200,0ptp4l0-21swapper/119:28:001
111391200,0ptp4l0-21swapper/119:15:161
111391200,0ptp4l0-21swapper/100:25:391
111391200,0ptp4l0-21swapper/019:46:160
111391200,0ptp4l0-21swapper/019:46:160
82722190,0sleep60-21swapper/600:39:436
111391190,3ptp4l721ktimersoftd/721:07:267
111391190,0ptp4l0-21swapper/623:12:596
111391190,0ptp4l0-21swapper/619:59:556
111391190,0ptp4l0-21swapper/520:18:545
111391190,0ptp4l0-21swapper/519:24:395
111391190,0ptp4l0-21swapper/500:02:585
111391190,0ptp4l0-21swapper/223:12:582
111391190,0ptp4l0-21swapper/222:34:332
111391190,0ptp4l0-21swapper/222:26:232
111391190,0ptp4l0-21swapper/222:26:232
111391190,0ptp4l0-21swapper/119:41:431
111391190,0ptp4l0-21swapper/100:01:331
111391190,0ptp4l0-21swapper/021:07:120
111391180,2ptp4l0-21swapper/120:18:041
111391180,0ptp4l0-21swapper/622:34:226
111391180,0ptp4l0-21swapper/621:40:446
111391180,0ptp4l0-21swapper/620:31:506
111391180,0ptp4l0-21swapper/421:10:004
111391180,0ptp4l0-21swapper/223:00:172
111391180,0ptp4l0-21swapper/221:40:452
111391180,0ptp4l0-21swapper/221:19:182
111391180,0ptp4l0-21swapper/220:02:062
90652170,0sleep70-21swapper/719:45:167
90652170,0sleep70-21swapper/719:45:157
111391170,0ptp4l0-21swapper/520:58:085
111391160,0ptp4l0-21swapper/620:37:456
111391160,0ptp4l0-21swapper/223:27:572
111391160,0ptp4l0-21swapper/222:48:012
111391160,0ptp4l0-21swapper/221:52:312
111391160,0ptp4l0-21swapper/120:04:471
111391160,0ptp4l0-21swapper/020:28:180
2401099150,13cyclictest0-21swapper/719:40:017
23981991513,1cyclictest0-21swapper/322:00:173
111391150,0ptp4l0-21swapper/622:48:026
111391150,0ptp4l0-21swapper/620:45:406
111391150,0ptp4l0-21swapper/620:28:346
111391150,0ptp4l0-21swapper/620:03:106
111391150,0ptp4l0-21swapper/619:39:576
111391150,0ptp4l0-21swapper/619:22:266
111391150,0ptp4l0-21swapper/619:10:586
111391150,0ptp4l0-21swapper/520:46:335
111391150,0ptp4l0-21swapper/520:02:495
111391150,0ptp4l0-21swapper/519:57:245
111391150,0ptp4l0-21swapper/321:07:333
111391150,0ptp4l0-21swapper/321:03:523
111391150,0ptp4l0-21swapper/221:07:012
111391150,0ptp4l0-21swapper/220:37:492
111391150,0ptp4l0-21swapper/220:33:032
111391150,0ptp4l0-21swapper/219:59:532
111391150,0ptp4l0-21swapper/219:53:242
111391150,0ptp4l0-21swapper/219:27:322
111391150,0ptp4l0-21swapper/219:10:572
111391150,0ptp4l0-21swapper/200:30:522
111391150,0ptp4l0-21swapper/120:10:301
2401099149,1cyclictest7144-21munin-run23:10:017
24010991412,1cyclictest24791-21munin-run22:50:007
2401099140,1cyclictest0-21swapper/719:50:147
111391140,0ptp4l0-21swapper/721:03:507
111391140,0ptp4l0-21swapper/621:06:586
111391140,0ptp4l0-21swapper/619:53:246
111391140,0ptp4l0-21swapper/619:27:326
111391140,0ptp4l0-21swapper/600:30:536
111391140,0ptp4l0-21swapper/220:57:232
111391140,0ptp4l0-21swapper/220:28:322
111391140,0ptp4l0-21swapper/219:39:532
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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