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2026-03-20 - 07:59

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 Mar 20, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
94122660,0sleep50-21swapper/522:50:575
111391640,5ptp4l0-21swapper/019:06:160
111391630,5ptp4l0-21swapper/119:09:531
111391620,8ptp4l0-21swapper/419:05:394
47642610,0sleep10-21swapper/122:00:141
270952600,0sleep00-21swapper/000:00:530
111391600,5ptp4l0-21swapper/519:07:065
901725847,6sleep70-21swapper/719:09:447
244272570,0sleep40-21swapper/420:50:164
134392570,0sleep60-21swapper/621:26:386
886125433,6sleep60-21swapper/619:07:436
314422540,0sleep00-21swapper/021:51:240
867824938,6sleep20-21swapper/219:05:242
895124736,7sleep30-21swapper/319:08:523
111391330,0ptp4l0-21swapper/421:49:564
111391330,0ptp4l0-21swapper/022:50:190
111391330,0ptp4l0-21swapper/020:20:010
111391320,4ptp4l0-21swapper/421:30:414
111391320,0ptp4l0-21swapper/523:17:305
111391320,0ptp4l0-21swapper/500:01:105
111391320,0ptp4l0-21swapper/422:22:074
111391320,0ptp4l0-21swapper/400:24:564
111391320,0ptp4l0-21swapper/021:31:330
111391320,0ptp4l0-21swapper/021:19:540
111391320,0ptp4l0-21swapper/000:17:520
111391310,6ptp4l20286-21ssh00:39:250
111391310,0ptp4l0-21swapper/700:38:387
111391310,0ptp4l0-21swapper/523:12:535
111391310,0ptp4l0-21swapper/423:32:104
111391310,0ptp4l0-21swapper/423:11:404
111391310,0ptp4l0-21swapper/422:59:194
111391310,0ptp4l0-21swapper/422:14:304
111391310,0ptp4l0-21swapper/422:04:214
111391310,0ptp4l0-21swapper/421:53:334
111391310,0ptp4l0-21swapper/421:36:124
111391310,0ptp4l0-21swapper/400:15:124
111391310,0ptp4l0-21swapper/123:39:051
111391310,0ptp4l0-21swapper/121:57:531
111391310,0ptp4l0-21swapper/121:42:391
111391310,0ptp4l0-21swapper/021:20:210
111391310,0ptp4l0-21swapper/000:21:370
111391300,2ptp4l0-21swapper/522:25:225
111391300,0ptp4l0-21swapper/621:19:486
111391300,0ptp4l0-21swapper/523:39:465
111391300,0ptp4l0-21swapper/521:28:115
111391300,0ptp4l0-21swapper/423:38:124
111391300,0ptp4l0-21swapper/423:05:124
111391300,0ptp4l0-21swapper/422:44:304
111391300,0ptp4l0-21swapper/100:02:571
111391300,0ptp4l0-21swapper/023:36:300
111391300,0ptp4l0-21swapper/023:31:280
111391300,0ptp4l0-21swapper/023:26:530
111391300,0ptp4l0-21swapper/023:05:430
111391300,0ptp4l0-21swapper/022:08:360
111391300,0ptp4l0-21swapper/020:50:180
111391290,0ptp4l0-21swapper/523:41:355
111391290,0ptp4l0-21swapper/522:31:265
111391290,0ptp4l0-21swapper/522:02:385
111391290,0ptp4l0-21swapper/423:53:384
111391290,0ptp4l0-21swapper/422:09:094
111391290,0ptp4l0-21swapper/421:26:084
111391290,0ptp4l0-21swapper/419:35:454
111391290,0ptp4l0-21swapper/400:32:274
111391290,0ptp4l0-21swapper/400:03:274
111391290,0ptp4l0-21swapper/123:50:341
111391290,0ptp4l0-21swapper/023:53:540
111391290,0ptp4l0-21swapper/023:00:100
111391290,0ptp4l0-21swapper/022:16:000
111391280,4ptp4l0-21swapper/122:32:211
111391280,0ptp4l23328-21netstat22:25:184
111391280,0ptp4l0-21swapper/523:50:165
111391280,0ptp4l0-21swapper/522:36:005
111391280,0ptp4l0-21swapper/422:49:064
111391280,0ptp4l0-21swapper/422:49:064
111391280,0ptp4l0-21swapper/422:15:074
111391280,0ptp4l0-21swapper/120:28:091
111391280,0ptp4l0-21swapper/100:27:331
111391280,0ptp4l0-21swapper/100:11:131
111391280,0ptp4l0-21swapper/022:47:020
111391280,0ptp4l0-21swapper/022:47:020
111391280,0ptp4l0-21swapper/022:40:090
111391280,0ptp4l0-21swapper/022:36:460
111391280,0ptp4l0-21swapper/022:33:580
111391280,0ptp4l0-21swapper/021:06:080
111391270,1ptp4l2278-21ssh21:10:575
111391270,0ptp4l0-21swapper/522:17:415
111391270,0ptp4l0-21swapper/521:41:415
111391270,0ptp4l0-21swapper/422:32:294
111391270,0ptp4l0-21swapper/123:15:161
111391270,0ptp4l0-21swapper/122:24:411
111391270,0ptp4l0-21swapper/121:15:171
111391270,0ptp4l0-21swapper/121:10:021
111391270,0ptp4l0-21swapper/022:25:290
111391270,0ptp4l0-21swapper/021:45:500
111391270,0ptp4l0-21swapper/021:27:060
111391260,3ptp4l13600-21latency_hist00:30:007
111391260,1ptp4l20064-21memory19:30:141
111391260,0ptp4l0-21swapper/523:21:475
111391260,0ptp4l0-21swapper/522:24:365
111391260,0ptp4l0-21swapper/421:12:594
111391260,0ptp4l0-21swapper/123:21:041
111391260,0ptp4l0-21swapper/122:50:311
111391260,0ptp4l0-21swapper/121:21:591
111391260,0ptp4l0-21swapper/022:10:120
111391260,0ptp4l0-21swapper/021:10:200
111391260,0ptp4l0-21swapper/000:26:020
111391250,7ptp4l0-21swapper/019:15:250
111391250,1ptp4l21984-21fw_forwarded_lo23:55:135
111391250,0ptp4l0-21swapper/520:35:195
111391250,0ptp4l0-21swapper/520:05:155
111391250,0ptp4l0-21swapper/520:05:145
111391250,0ptp4l0-21swapper/500:27:345
111391250,0ptp4l0-21swapper/500:12:185
111391250,0ptp4l0-21swapper/421:18:504
111391250,0ptp4l0-21swapper/420:35:004
111391250,0ptp4l0-21swapper/420:20:154
111391250,0ptp4l0-21swapper/400:38:584
111391250,0ptp4l0-21swapper/400:08:474
111391250,0ptp4l0-21swapper/300:20:193
111391250,0ptp4l0-21swapper/123:49:521
111391250,0ptp4l0-21swapper/123:12:521
111391250,0ptp4l0-21swapper/122:06:321
111391250,0ptp4l0-21swapper/120:47:501
111391250,0ptp4l0-21swapper/120:35:181
111391250,0ptp4l0-21swapper/100:24:051
111391250,0ptp4l0-21swapper/022:55:170
111391250,0ptp4l0-21swapper/022:22:020
111391250,0ptp4l0-21swapper/022:03:390
111391250,0ptp4l0-21swapper/000:10:200
111391240,1ptp4l29447-21if_enp0s2523:20:120
111391240,1ptp4l16992-21/usr/sbin/munin19:25:140
111391240,1ptp4l14702-21/usr/sbin/munin19:20:110
111391240,0ptp4l32416-21diskmemload21:20:134
111391240,0ptp4l11540-21timerandwakeup00:25:204
111391240,0ptp4l0-21swapper/700:30:157
111391240,0ptp4l0-21swapper/700:20:197
111391240,0ptp4l0-21swapper/521:21:115
111391240,0ptp4l0-21swapper/520:47:235
111391240,0ptp4l0-21swapper/519:45:105
111391240,0ptp4l0-21swapper/519:38:285
111391240,0ptp4l0-21swapper/519:26:265
111391240,0ptp4l0-21swapper/423:25:284
111391240,0ptp4l0-21swapper/423:23:454
111391240,0ptp4l0-21swapper/423:16:384
111391240,0ptp4l0-21swapper/423:03:144
111391240,0ptp4l0-21swapper/422:37:444
111391240,0ptp4l0-21swapper/421:00:164
111391240,0ptp4l0-21swapper/420:40:144
111391240,0ptp4l0-21swapper/419:56:454
111391240,0ptp4l0-21swapper/419:33:014
111391240,0ptp4l0-21swapper/419:25:134
111391240,0ptp4l0-21swapper/419:16:024
111391240,0ptp4l0-21swapper/419:15:004
111391240,0ptp4l0-21swapper/323:45:163
111391240,0ptp4l0-21swapper/300:30:153
111391240,0ptp4l0-21swapper/123:55:141
111391240,0ptp4l0-21swapper/123:30:011
111391240,0ptp4l0-21swapper/120:05:111
111391240,0ptp4l0-21swapper/120:05:101
111391240,0ptp4l0-21swapper/119:50:171
111391240,0ptp4l0-21swapper/021:56:250
111391240,0ptp4l0-21swapper/021:43:180
111391240,0ptp4l0-21swapper/020:40:160
111391240,0ptp4l0-21swapper/020:06:280
111391240,0ptp4l0-21swapper/020:06:270
111391240,0ptp4l0-21swapper/019:30:040
111391230,3ptp4l0-21swapper/121:08:171
111391230,3ptp4l0-21swapper/020:48:190
111391230,1ptp4l14205-21crond23:45:007
111391230,0ptp4l0-21swapper/723:45:117
111391230,0ptp4l0-21swapper/622:35:096
111391230,0ptp4l0-21swapper/600:35:156
111391230,0ptp4l0-21swapper/523:30:465
111391230,0ptp4l0-21swapper/523:00:185
111391230,0ptp4l0-21swapper/521:57:495
111391230,0ptp4l0-21swapper/521:49:065
111391230,0ptp4l0-21swapper/521:04:455
111391230,0ptp4l0-21swapper/520:44:525
111391230,0ptp4l0-21swapper/519:55:075
111391230,0ptp4l0-21swapper/519:30:175
111391230,0ptp4l0-21swapper/500:19:375
111391230,0ptp4l0-21swapper/423:57:014
111391230,0ptp4l0-21swapper/423:40:134
111391230,0ptp4l0-21swapper/422:50:124
111391230,0ptp4l0-21swapper/421:55:174
111391230,0ptp4l0-21swapper/421:40:134
111391230,0ptp4l0-21swapper/421:05:134
111391230,0ptp4l0-21swapper/420:35:194
111391230,0ptp4l0-21swapper/420:00:134
111391230,0ptp4l0-21swapper/419:49:484
111391230,0ptp4l0-21swapper/419:40:184
111391230,0ptp4l0-21swapper/419:20:144
111391230,0ptp4l0-21swapper/400:10:194
111391230,0ptp4l0-21swapper/323:10:433
111391230,0ptp4l0-21swapper/222:38:592
111391230,0ptp4l0-21swapper/200:35:122
111391230,0ptp4l0-21swapper/123:40:091
111391230,0ptp4l0-21swapper/123:31:441
111391230,0ptp4l0-21swapper/123:00:181
111391230,0ptp4l0-21swapper/122:56:271
111391230,0ptp4l0-21swapper/122:35:441
111391230,0ptp4l0-21swapper/122:17:571
111391230,0ptp4l0-21swapper/121:49:221
111391230,0ptp4l0-21swapper/121:25:151
111391230,0ptp4l0-21swapper/120:55:391
111391230,0ptp4l0-21swapper/120:52:441
111391230,0ptp4l0-21swapper/120:10:161
111391230,0ptp4l0-21swapper/120:05:001
111391230,0ptp4l0-21swapper/119:45:181
111391230,0ptp4l0-21swapper/119:15:121
111391230,0ptp4l0-21swapper/100:19:121
111391230,0ptp4l0-21swapper/100:05:111
111391230,0ptp4l0-21swapper/023:59:570
111391230,0ptp4l0-21swapper/023:19:490
111391230,0ptp4l0-21swapper/021:35:120
111391230,0ptp4l0-21swapper/021:00:100
111391230,0ptp4l0-21swapper/020:59:520
111391230,0ptp4l0-21swapper/020:35:190
111391230,0ptp4l0-21swapper/020:30:180
111391230,0ptp4l0-21swapper/020:25:210
111391230,0ptp4l0-21swapper/020:20:200
111391230,0ptp4l0-21swapper/020:15:000
111391230,0ptp4l0-21swapper/020:00:140
111391230,0ptp4l0-21swapper/019:47:460
111391230,0ptp4l0-21swapper/000:33:250
111391220,0ptp4l0-21swapper/723:10:447
111391220,0ptp4l0-21swapper/721:33:017
111391220,0ptp4l0-21swapper/623:17:526
111391220,0ptp4l0-21swapper/523:49:135
111391220,0ptp4l0-21swapper/523:26:005
111391220,0ptp4l0-21swapper/523:08:445
111391220,0ptp4l0-21swapper/522:58:035
111391220,0ptp4l0-21swapper/522:07:415
111391220,0ptp4l0-21swapper/521:51:055
111391220,0ptp4l0-21swapper/521:30:125
111391220,0ptp4l0-21swapper/521:15:505
111391220,0ptp4l0-21swapper/520:55:195
111391220,0ptp4l0-21swapper/520:30:005
111391220,0ptp4l0-21swapper/520:10:195
111391220,0ptp4l0-21swapper/519:50:165
111391220,0ptp4l0-21swapper/500:33:425
111391220,0ptp4l0-21swapper/500:23:355
111391220,0ptp4l0-21swapper/500:05:105
111391220,0ptp4l0-21swapper/423:45:444
111391220,0ptp4l0-21swapper/420:25:224
111391220,0ptp4l0-21swapper/420:15:174
111391220,0ptp4l0-21swapper/420:10:004
111391220,0ptp4l0-21swapper/323:44:203
111391220,0ptp4l0-21swapper/221:19:512
111391220,0ptp4l0-21swapper/123:08:581
111391220,0ptp4l0-21swapper/122:25:141
111391220,0ptp4l0-21swapper/121:51:041
111391220,0ptp4l0-21swapper/120:34:051
111391220,0ptp4l0-21swapper/119:10:111
111391220,0ptp4l0-21swapper/100:33:411
111391220,0ptp4l0-21swapper/023:48:420
111391220,0ptp4l0-21swapper/023:40:110
111391220,0ptp4l0-21swapper/023:10:140
111391220,0ptp4l0-21swapper/019:50:100
111391220,0ptp4l0-21swapper/019:40:110
111391220,0ptp4l0-21swapper/019:35:010
111391210,0ptp4l26894-21ssh00:00:222
111391210,0ptp4l0-21swapper/621:32:016
111391210,0ptp4l0-21swapper/522:47:495
111391210,0ptp4l0-21swapper/522:47:495
111391210,0ptp4l0-21swapper/522:12:425
111391210,0ptp4l0-21swapper/521:37:175
111391210,0ptp4l0-21swapper/520:25:185
111391210,0ptp4l0-21swapper/520:24:375
111391210,0ptp4l0-21swapper/519:17:455
111391210,0ptp4l0-21swapper/519:10:155
111391210,0ptp4l0-21swapper/500:37:405
111391210,0ptp4l0-21swapper/420:55:164
111391210,0ptp4l0-21swapper/420:09:544
111391210,0ptp4l0-21swapper/420:09:534
111391210,0ptp4l0-21swapper/419:51:224
111391210,0ptp4l0-21swapper/300:38:173
111391210,0ptp4l0-21swapper/300:29:283
111391210,0ptp4l0-21swapper/221:41:582
111391210,0ptp4l0-21swapper/122:45:251
111391210,0ptp4l0-21swapper/122:45:251
111391210,0ptp4l0-21swapper/122:12:491
111391210,0ptp4l0-21swapper/121:38:381
111391210,0ptp4l0-21swapper/121:30:081
111391210,0ptp4l0-21swapper/121:00:081
111391210,0ptp4l0-21swapper/119:55:131
111391210,0ptp4l0-21swapper/119:43:461
111391210,0ptp4l0-21swapper/019:59:250
111391210,0ptp4l0-21swapper/019:10:470
111391210,0ptp4l0-21swapper/000:07:210
111391200,0ptp4l32416-21diskmemload21:13:452
111391200,0ptp4l0-21swapper/621:41:566
111391200,0ptp4l0-21swapper/619:34:456
111391200,0ptp4l0-21swapper/521:09:455
111391200,0ptp4l0-21swapper/420:47:594
111391200,0ptp4l0-21swapper/321:33:033
111391200,0ptp4l0-21swapper/220:58:452
111391200,0ptp4l0-21swapper/100:37:391
111391190,0ptp4l0-21swapper/600:04:286
111391190,0ptp4l0-21swapper/119:36:451
111391170,0ptp4l0-21swapper/619:29:366
111391170,0ptp4l0-21swapper/223:17:492
111391170,0ptp4l0-21swapper/221:01:012
111391170,0ptp4l0-21swapper/219:32:372
111391170,0ptp4l0-21swapper/219:19:072
111391170,0ptp4l0-21swapper/120:16:071
205632160,0sleep20-21swapper/223:53:032
111391160,0ptp4l0-21swapper/721:00:587
111391160,0ptp4l0-21swapper/719:48:547
111391160,0ptp4l0-21swapper/520:52:485
111391160,0ptp4l0-21swapper/520:02:555
111391160,0ptp4l0-21swapper/519:42:285
111391160,0ptp4l0-21swapper/219:46:502
111391160,0ptp4l0-21swapper/219:29:462
111391160,0ptp4l0-21swapper/120:43:241
111391160,0ptp4l0-21swapper/119:28:191
111391150,0ptp4l0-21swapper/621:13:446
111391150,0ptp4l0-21swapper/621:01:016
111391150,0ptp4l0-21swapper/620:58:276
111391150,0ptp4l0-21swapper/619:53:546
111391150,0ptp4l0-21swapper/619:46:526
111391150,0ptp4l0-21swapper/619:22:496
111391150,0ptp4l0-21swapper/619:18:556
111391150,0ptp4l0-21swapper/520:16:085
111391150,0ptp4l0-21swapper/321:00:463
111391150,0ptp4l0-21swapper/319:49:063
111391150,0ptp4l0-21swapper/219:22:332
111391150,0ptp4l0-21swapper/120:20:291
111391140,0ptp4l0-21swapper/220:38:012
111391140,0ptp4l0-21swapper/219:53:482
932399132,10cyclictest0-21swapper/323:32:543
9323991311,1cyclictest0-21swapper/321:45:153
932399122,6cyclictest4258-21sed00:15:193
9323991210,1cyclictest0-21swapper/322:08:323
934399110,10cyclictest0-21swapper/622:11:486
932399119,1cyclictest0-21swapper/322:47:123
932399119,1cyclictest0-21swapper/322:47:123
932399119,1cyclictest0-21swapper/321:14:583
932399112,6cyclictest20975-21ssh21:37:173
932399112,5cyclictest10257-21chrt23:39:013
932399112,2cyclictest11785-21/usr/sbin/munin20:25:013
932399111,9cyclictest0-21swapper/300:14:553
932399110,10cyclictest0-21swapper/322:28:413
935199109,0cyclictest0-21swapper/723:30:187
935199108,1cyclictest0-21swapper/721:29:567
935199100,9cyclictest0-21swapper/722:06:137
934399100,9cyclictest0-21swapper/622:58:476
934399100,9cyclictest0-21swapper/622:41:026
934399100,0cyclictest0-21swapper/623:49:336
934399100,0cyclictest0-21swapper/623:31:486
934399100,0cyclictest0-21swapper/600:06:506
932399109,0cyclictest0-21swapper/321:15:073
932399103,6cyclictest29587-21sed23:20:143
932399102,5cyclictest7460-21ssh22:04:483
932399102,5cyclictest16795-21ssh23:01:273
932399102,4cyclictest25419-21/usr/sbin/munin21:44:593
932399101,6cyclictest0-21swapper/322:40:133
932399100,9cyclictest0-21swapper/321:59:363
930999100,9cyclictest0-21swapper/122:40:571
93519990,8cyclictest0-21swapper/723:16:567
93519990,0cyclictest0-21swapper/721:46:347
93439998,0cyclictest0-21swapper/600:33:526
93439990,0cyclictest0-21swapper/620:42:226
93439990,0cyclictest0-21swapper/600:20:026
93239998,0cyclictest0-21swapper/319:57:283
93239998,0cyclictest0-21swapper/300:03:173
93239993,5cyclictest0-21swapper/320:49:003
93239992,2cyclictest25263-21cat19:40:183
93239991,5cyclictest31438-21munin-run00:09:593
93239991,5cyclictest20490-21ssh22:20:593
93239991,5cyclictest18649-21diskstats23:05:113
93239991,4cyclictest17851-21smart_sda20:35:183
93239990,8cyclictest0-21swapper/322:38:063
93179998,0cyclictest0-21swapper/223:25:142
93179992,3cyclictest0-21swapper/223:44:272
93179990,8cyclictest0-21swapper/223:39:162
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