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2026-04-25 - 13:37

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 Sat Apr 25, 2026 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391770,5ptp4l0-21swapper/119:05:151
111391660,2ptp4l0-21swapper/519:05:135
111391610,5ptp4l0-21swapper/019:08:200
737325948,6sleep70-21swapper/719:08:057
50672590,0sleep70-21swapper/720:10:197
111391590,5ptp4l0-21swapper/419:07:424
741525646,6sleep20-21swapper/219:08:402
716925332,6sleep60-21swapper/619:05:316
721424635,7sleep30-21swapper/319:06:003
111391370,0ptp4l0-21swapper/423:56:244
111391340,0ptp4l0-21swapper/023:44:230
111391330,0ptp4l0-21swapper/423:29:494
111391330,0ptp4l0-21swapper/022:45:180
111391320,0ptp4l0-21swapper/423:03:394
111391320,0ptp4l0-21swapper/422:28:494
111391320,0ptp4l0-21swapper/422:28:494
111391320,0ptp4l0-21swapper/023:55:380
111391320,0ptp4l0-21swapper/023:16:330
111391320,0ptp4l0-21swapper/022:15:140
111391320,0ptp4l0-21swapper/000:25:120
7814993126,4cyclictest11479-21taskset22:07:174
111391310,0ptp4l0-21swapper/423:33:214
111391310,0ptp4l0-21swapper/422:02:324
111391310,0ptp4l0-21swapper/400:20:424
111391310,0ptp4l0-21swapper/400:17:554
111391310,0ptp4l0-21swapper/023:30:370
111391310,0ptp4l0-21swapper/022:28:380
111391310,0ptp4l0-21swapper/022:28:370
111391310,0ptp4l0-21swapper/022:04:590
111391310,0ptp4l0-21swapper/021:58:280
111391310,0ptp4l0-21swapper/021:37:090
111391310,0ptp4l0-21swapper/000:21:050
111391310,0ptp4l0-21swapper/000:01:390
111391300,7ptp4l0-21swapper/022:34:380
111391300,3ptp4l0-21swapper/021:20:220
111391300,1ptp4l25470-21ssh21:44:364
111391300,0ptp4l0-21swapper/423:20:124
111391300,0ptp4l0-21swapper/423:11:134
111391300,0ptp4l0-21swapper/423:08:364
111391300,0ptp4l0-21swapper/123:08:531
111391300,0ptp4l0-21swapper/022:36:380
111391300,0ptp4l0-21swapper/021:40:380
111391300,0ptp4l0-21swapper/021:33:440
111391300,0ptp4l0-21swapper/021:25:150
111391290,2ptp4l0-21swapper/023:25:250
111391290,0ptp4l0-21swapper/423:41:314
111391290,0ptp4l0-21swapper/423:36:294
111391290,0ptp4l0-21swapper/422:33:444
111391290,0ptp4l0-21swapper/422:10:204
111391290,0ptp4l0-21swapper/421:47:354
111391290,0ptp4l0-21swapper/421:28:514
111391290,0ptp4l0-21swapper/421:05:164
111391290,0ptp4l0-21swapper/323:07:463
111391290,0ptp4l0-21swapper/023:53:110
111391290,0ptp4l0-21swapper/023:14:050
111391290,0ptp4l0-21swapper/022:54:180
111391290,0ptp4l0-21swapper/021:17:040
111391290,0ptp4l0-21swapper/021:11:340
111391290,0ptp4l0-21swapper/000:18:210
111391280,2ptp4l0-21swapper/421:38:404
111391280,1ptp4l8999-21ssh21:21:284
111391280,0ptp4l0-21swapper/422:48:494
111391280,0ptp4l0-21swapper/422:18:544
111391280,0ptp4l0-21swapper/421:52:234
111391280,0ptp4l0-21swapper/421:17:054
111391280,0ptp4l0-21swapper/400:06:314
111391280,0ptp4l0-21swapper/300:39:493
111391280,0ptp4l0-21swapper/223:05:232
111391280,0ptp4l0-21swapper/022:11:500
111391280,0ptp4l0-21swapper/021:46:350
111391280,0ptp4l0-21swapper/000:32:360
111391280,0ptp4l0-21swapper/000:08:480
111391270,0ptp4l0-21swapper/619:50:216
111391270,0ptp4l0-21swapper/422:58:274
111391270,0ptp4l0-21swapper/122:48:221
111391270,0ptp4l0-21swapper/023:38:520
111391270,0ptp4l0-21swapper/022:21:480
111391270,0ptp4l0-21swapper/022:21:470
111391260,0ptp4l0-21swapper/621:33:356
111391260,0ptp4l0-21swapper/600:00:046
111391260,0ptp4l0-21swapper/423:45:264
111391260,0ptp4l0-21swapper/422:42:254
111391260,0ptp4l0-21swapper/421:11:064
111391260,0ptp4l0-21swapper/400:31:224
111391260,0ptp4l0-21swapper/023:48:380
111391260,0ptp4l0-21swapper/023:21:370
111391260,0ptp4l0-21swapper/022:42:440
111391260,0ptp4l0-21swapper/021:03:230
111391260,0ptp4l0-21swapper/020:44:220
111391250,1ptp4l25020-21irqstats20:55:150
111391250,0ptp4l0-21swapper/419:35:004
111391250,0ptp4l0-21swapper/419:25:194
111391250,0ptp4l0-21swapper/419:10:184
111391250,0ptp4l0-21swapper/400:25:074
111391250,0ptp4l0-21swapper/400:11:314
111391250,0ptp4l0-21swapper/123:18:301
111391250,0ptp4l0-21swapper/121:35:001
111391250,0ptp4l0-21swapper/023:09:030
111391250,0ptp4l0-21swapper/022:05:430
111391250,0ptp4l0-21swapper/021:05:110
111391250,0ptp4l0-21swapper/020:20:130
111391250,0ptp4l0-21swapper/000:36:330
111391240,1ptp4l6546-21ps20:15:171
111391240,1ptp4l32604-21smart_sda20:00:180
111391240,1ptp4l22638-21df23:05:116
111391240,1ptp4l21105-21timerandwakeup20:45:214
111391240,1ptp4l17446-21latency_hist19:30:000
111391240,1ptp4l1556-21diskstats21:55:114
111391240,1ptp4l14932-21date20:35:014
111391240,1ptp4l10737-21missed_timers19:15:010
111391240,0ptp4l30891-21diskmemload00:35:144
111391240,0ptp4l0-21swapper/620:44:406
111391240,0ptp4l0-21swapper/523:30:155
111391240,0ptp4l0-21swapper/500:17:505
111391240,0ptp4l0-21swapper/423:50:474
111391240,0ptp4l0-21swapper/423:15:534
111391240,0ptp4l0-21swapper/422:25:014
111391240,0ptp4l0-21swapper/422:25:004
111391240,0ptp4l0-21swapper/420:53:084
111391240,0ptp4l0-21swapper/419:45:174
111391240,0ptp4l0-21swapper/419:45:174
111391240,0ptp4l0-21swapper/419:40:064
111391240,0ptp4l0-21swapper/419:21:064
111391240,0ptp4l0-21swapper/400:01:024
111391240,0ptp4l0-21swapper/123:35:561
111391240,0ptp4l0-21swapper/122:11:261
111391240,0ptp4l0-21swapper/121:57:251
111391240,0ptp4l0-21swapper/120:20:181
111391240,0ptp4l0-21swapper/021:54:590
111391240,0ptp4l0-21swapper/020:37:230
111391240,0ptp4l0-21swapper/019:53:450
111391240,0ptp4l0-21swapper/019:35:200
111391240,0ptp4l0-21swapper/000:10:130
111391230,1ptp4l7585-21sshd20:15:234
111391230,1ptp4l6774-21cat20:15:175
111391230,0ptp4l5017-21timerandwakeup20:10:194
111391230,0ptp4l0-21swapper/722:55:097
111391230,0ptp4l0-21swapper/623:40:196
111391230,0ptp4l0-21swapper/623:20:236
111391230,0ptp4l0-21swapper/623:20:006
111391230,0ptp4l0-21swapper/622:22:096
111391230,0ptp4l0-21swapper/622:22:096
111391230,0ptp4l0-21swapper/621:48:456
111391230,0ptp4l0-21swapper/600:18:546
111391230,0ptp4l0-21swapper/523:51:555
111391230,0ptp4l0-21swapper/523:43:435
111391230,0ptp4l0-21swapper/523:10:135
111391230,0ptp4l0-21swapper/523:05:335
111391230,0ptp4l0-21swapper/523:02:225
111391230,0ptp4l0-21swapper/522:29:285
111391230,0ptp4l0-21swapper/522:29:275
111391230,0ptp4l0-21swapper/522:16:025
111391230,0ptp4l0-21swapper/522:05:175
111391230,0ptp4l0-21swapper/521:15:015
111391230,0ptp4l0-21swapper/520:50:205
111391230,0ptp4l0-21swapper/520:05:145
111391230,0ptp4l0-21swapper/500:37:165
111391230,0ptp4l0-21swapper/500:07:115
111391230,0ptp4l0-21swapper/422:50:114
111391230,0ptp4l0-21swapper/422:39:514
111391230,0ptp4l0-21swapper/421:33:124
111391230,0ptp4l0-21swapper/420:55:144
111391230,0ptp4l0-21swapper/420:40:174
111391230,0ptp4l0-21swapper/420:25:154
111391230,0ptp4l0-21swapper/420:20:144
111391230,0ptp4l0-21swapper/420:05:584
111391230,0ptp4l0-21swapper/420:00:114
111391230,0ptp4l0-21swapper/419:50:124
111391230,0ptp4l0-21swapper/419:35:114
111391230,0ptp4l0-21swapper/419:15:134
111391230,0ptp4l0-21swapper/322:55:103
111391230,0ptp4l0-21swapper/223:40:202
111391230,0ptp4l0-21swapper/222:28:072
111391230,0ptp4l0-21swapper/222:28:062
111391230,0ptp4l0-21swapper/200:00:112
111391230,0ptp4l0-21swapper/123:55:161
111391230,0ptp4l0-21swapper/123:50:211
111391230,0ptp4l0-21swapper/123:45:221
111391230,0ptp4l0-21swapper/123:30:141
111391230,0ptp4l0-21swapper/123:00:381
111391230,0ptp4l0-21swapper/122:58:551
111391230,0ptp4l0-21swapper/122:52:041
111391230,0ptp4l0-21swapper/122:35:151
111391230,0ptp4l0-21swapper/122:32:151
111391230,0ptp4l0-21swapper/122:25:361
111391230,0ptp4l0-21swapper/122:25:361
111391230,0ptp4l0-21swapper/122:05:151
111391230,0ptp4l0-21swapper/121:40:531
111391230,0ptp4l0-21swapper/121:25:361
111391230,0ptp4l0-21swapper/121:05:191
111391230,0ptp4l0-21swapper/120:35:151
111391230,0ptp4l0-21swapper/119:55:151
111391230,0ptp4l0-21swapper/119:45:131
111391230,0ptp4l0-21swapper/119:45:131
111391230,0ptp4l0-21swapper/100:35:221
111391230,0ptp4l0-21swapper/100:23:251
111391230,0ptp4l0-21swapper/100:15:221
111391230,0ptp4l0-21swapper/023:00:210
111391230,0ptp4l0-21swapper/020:45:010
111391230,0ptp4l0-21swapper/020:30:190
111391230,0ptp4l0-21swapper/020:25:160
111391230,0ptp4l0-21swapper/020:06:560
111391230,0ptp4l0-21swapper/019:55:110
111391230,0ptp4l0-21swapper/019:30:140
111391230,0ptp4l0-21swapper/019:20:140
111391230,0ptp4l0-21swapper/019:10:150
111391220,1ptp4l6408-1kworker/u17:221:57:552
111391220,0ptp4l33-21ksoftirqd/223:20:202
111391220,0ptp4l0-21swapper/723:43:007
111391220,0ptp4l0-21swapper/723:07:267
111391220,0ptp4l0-21swapper/722:12:147
111391220,0ptp4l0-21swapper/623:49:276
111391220,0ptp4l0-21swapper/621:57:546
111391220,0ptp4l0-21swapper/523:59:555
111391220,0ptp4l0-21swapper/523:45:145
111391220,0ptp4l0-21swapper/523:35:475
111391220,0ptp4l0-21swapper/523:21:515
111391220,0ptp4l0-21swapper/522:56:055
111391220,0ptp4l0-21swapper/522:50:365
111391220,0ptp4l0-21swapper/522:47:005
111391220,0ptp4l0-21swapper/522:41:205
111391220,0ptp4l0-21swapper/522:36:295
111391220,0ptp4l0-21swapper/522:32:575
111391220,0ptp4l0-21swapper/522:23:165
111391220,0ptp4l0-21swapper/522:23:165
111391220,0ptp4l0-21swapper/522:01:245
111391220,0ptp4l0-21swapper/521:57:235
111391220,0ptp4l0-21swapper/521:54:525
111391220,0ptp4l0-21swapper/521:49:295
111391220,0ptp4l0-21swapper/521:40:165
111391220,0ptp4l0-21swapper/521:37:175
111391220,0ptp4l0-21swapper/521:30:455
111391220,0ptp4l0-21swapper/521:25:375
111391220,0ptp4l0-21swapper/521:13:155
111391220,0ptp4l0-21swapper/520:35:175
111391220,0ptp4l0-21swapper/520:20:115
111391220,0ptp4l0-21swapper/519:55:155
111391220,0ptp4l0-21swapper/519:45:155
111391220,0ptp4l0-21swapper/519:45:145
111391220,0ptp4l0-21swapper/519:20:135
111391220,0ptp4l0-21swapper/500:30:545
111391220,0ptp4l0-21swapper/500:27:145
111391220,0ptp4l0-21swapper/500:20:585
111391220,0ptp4l0-21swapper/500:10:425
111391220,0ptp4l0-21swapper/500:02:215
111391220,0ptp4l0-21swapper/421:00:164
111391220,0ptp4l0-21swapper/420:35:114
111391220,0ptp4l0-21swapper/419:55:134
111391220,0ptp4l0-21swapper/323:42:583
111391220,0ptp4l0-21swapper/322:12:213
111391220,0ptp4l0-21swapper/222:33:072
111391220,0ptp4l0-21swapper/222:22:122
111391220,0ptp4l0-21swapper/222:22:112
111391220,0ptp4l0-21swapper/221:13:272
111391220,0ptp4l0-21swapper/219:50:162
111391220,0ptp4l0-21swapper/200:18:552
111391220,0ptp4l0-21swapper/123:42:181
111391220,0ptp4l0-21swapper/123:25:521
111391220,0ptp4l0-21swapper/123:10:131
111391220,0ptp4l0-21swapper/122:41:131
111391220,0ptp4l0-21swapper/122:21:081
111391220,0ptp4l0-21swapper/122:21:071
111391220,0ptp4l0-21swapper/122:15:441
111391220,0ptp4l0-21swapper/122:00:261
111391220,0ptp4l0-21swapper/121:50:021
111391220,0ptp4l0-21swapper/121:48:271
111391220,0ptp4l0-21swapper/121:36:411
111391220,0ptp4l0-21swapper/121:16:011
111391220,0ptp4l0-21swapper/121:12:081
111391220,0ptp4l0-21swapper/120:50:131
111391220,0ptp4l0-21swapper/120:05:161
111391220,0ptp4l0-21swapper/119:20:121
111391220,0ptp4l0-21swapper/100:32:071
111391220,0ptp4l0-21swapper/100:25:381
111391220,0ptp4l0-21swapper/100:13:121
111391220,0ptp4l0-21swapper/100:06:521
111391220,0ptp4l0-21swapper/100:02:461
111391220,0ptp4l0-21swapper/022:55:030
111391220,0ptp4l0-21swapper/020:15:140
111391220,0ptp4l0-21swapper/020:10:120
111391220,0ptp4l0-21swapper/019:40:150
111391210,0ptp4l30891-21diskmemload22:33:056
111391210,0ptp4l0-21swapper/721:34:237
111391210,0ptp4l0-21swapper/700:39:517
111391210,0ptp4l0-21swapper/622:52:516
111391210,0ptp4l0-21swapper/621:19:176
111391210,0ptp4l0-21swapper/621:13:206
111391210,0ptp4l0-21swapper/523:25:505
111391210,0ptp4l0-21swapper/523:17:535
111391210,0ptp4l0-21swapper/522:11:285
111391210,0ptp4l0-21swapper/521:20:395
111391210,0ptp4l0-21swapper/520:27:245
111391210,0ptp4l0-21swapper/321:34:193
111391210,0ptp4l0-21swapper/319:47:043
111391210,0ptp4l0-21swapper/319:47:043
111391210,0ptp4l0-21swapper/223:57:002
111391210,0ptp4l0-21swapper/223:49:112
111391210,0ptp4l0-21swapper/223:19:512
111391210,0ptp4l0-21swapper/221:48:412
111391210,0ptp4l0-21swapper/221:15:302
111391210,0ptp4l0-21swapper/123:22:461
111391210,0ptp4l0-21swapper/121:24:151
111391210,0ptp4l0-21swapper/019:45:170
111391210,0ptp4l0-21swapper/019:45:170
111391200,0ptp4l0-21swapper/623:56:176
111391200,0ptp4l0-21swapper/623:33:486
111391200,0ptp4l0-21swapper/622:42:336
111391200,0ptp4l0-21swapper/619:57:236
111391200,0ptp4l0-21swapper/600:32:536
111391200,0ptp4l0-21swapper/521:06:575
111391200,0ptp4l0-21swapper/520:10:235
111391200,0ptp4l0-21swapper/519:26:095
111391200,0ptp4l0-21swapper/222:52:462
111391200,0ptp4l0-21swapper/222:42:302
111391200,0ptp4l0-21swapper/221:33:342
111391200,0ptp4l0-21swapper/219:34:552
111391190,0ptp4l0-21swapper/519:52:595
111391190,0ptp4l0-21swapper/223:33:482
111391190,0ptp4l0-21swapper/222:57:442
111391190,0ptp4l0-21swapper/200:11:462
111391190,0ptp4l0-21swapper/121:01:561
111391190,0ptp4l0-21swapper/120:56:051
111391190,0ptp4l0-21swapper/120:30:591
111391190,0ptp4l0-21swapper/120:05:011
111391180,0ptp4l0-21swapper/120:12:491
111391180,0ptp4l0-21swapper/020:53:480
111391170,2ptp4l0-21swapper/119:31:351
111391170,0ptp4l0-21swapper/600:11:446
111391170,0ptp4l0-21swapper/319:54:273
111391170,0ptp4l0-21swapper/200:32:532
111391160,0ptp4l0-21swapper/719:47:117
111391160,0ptp4l0-21swapper/719:47:107
111391160,0ptp4l0-21swapper/622:57:446
111391160,0ptp4l0-21swapper/619:34:556
111391160,0ptp4l0-21swapper/520:56:085
111391160,0ptp4l0-21swapper/520:32:525
111391160,0ptp4l0-21swapper/519:31:165
111391160,0ptp4l0-21swapper/519:19:565
111391160,0ptp4l0-21swapper/519:10:565
111391160,0ptp4l0-21swapper/223:51:362
111391160,0ptp4l0-21swapper/222:14:532
111391160,0ptp4l0-21swapper/120:41:541
111391160,0ptp4l0-21swapper/119:36:331
111391160,0ptp4l0-21swapper/119:27:241
111391150,0ptp4l0-21swapper/719:54:297
111391150,0ptp4l0-21swapper/719:38:597
111391150,0ptp4l0-21swapper/622:14:546
111391150,0ptp4l0-21swapper/621:05:386
111391150,0ptp4l0-21swapper/620:51:376
111391150,0ptp4l0-21swapper/620:39:276
111391150,0ptp4l0-21swapper/620:22:096
111391150,0ptp4l0-21swapper/620:18:026
111391150,0ptp4l0-21swapper/620:09:546
111391150,0ptp4l0-21swapper/619:37:106
111391150,0ptp4l0-21swapper/521:00:355
111391150,0ptp4l0-21swapper/520:48:175
111391150,0ptp4l0-21swapper/520:41:565
111391150,0ptp4l0-21swapper/520:02:555
111391150,0ptp4l0-21swapper/519:40:405
111391150,0ptp4l0-21swapper/519:35:475
111391150,0ptp4l0-21swapper/319:38:593
111391150,0ptp4l0-21swapper/221:05:372
111391150,0ptp4l0-21swapper/220:42:012
111391150,0ptp4l0-21swapper/220:39:242
111391150,0ptp4l0-21swapper/220:22:082
111391150,0ptp4l0-21swapper/220:18:032
111391150,0ptp4l0-21swapper/220:14:552
111391150,0ptp4l0-21swapper/220:09:482
111391150,0ptp4l0-21swapper/219:57:192
111391150,0ptp4l0-21swapper/219:37:072
111391150,0ptp4l0-21swapper/120:48:171
111391150,0ptp4l0-21swapper/120:25:511
111391150,0ptp4l0-21swapper/119:52:091
111391150,0ptp4l0-21swapper/119:40:381
111391150,0ptp4l0-21swapper/119:17:081
111391150,0ptp4l0-21swapper/119:10:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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