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2026-08-11 - 16:21

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 Tue Aug 11, 2026 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1881916320,11phc2sys0-21swapper/507:05:135
102352620,0sleep40-21swapper/411:49:554
257325747,6sleep20-21swapper/207:05:272
111391570,5ptp4l0-21swapper/407:05:424
271225433,6sleep60-21swapper/607:06:516
270725342,7sleep10-21swapper/107:06:461
111391520,5ptp4l0-21swapper/007:07:150
264325140,7sleep70-21swapper/707:06:037
89222490,0sleep60-21swapper/611:45:496
274524837,7sleep30-21swapper/307:07:203
111391380,0ptp4l0-21swapper/010:10:190
111391350,9ptp4l8631-21ssh12:32:000
111391340,0ptp4l0-21swapper/009:44:460
111391330,0ptp4l0-21swapper/008:45:150
111391320,0ptp4l0-21swapper/410:39:244
111391320,0ptp4l0-21swapper/410:39:234
111391320,0ptp4l0-21swapper/011:41:090
111391310,2ptp4l0-21swapper/009:20:430
111391310,0ptp4l0-21swapper/412:31:174
111391310,0ptp4l0-21swapper/411:12:024
111391310,0ptp4l0-21swapper/112:30:191
111391310,0ptp4l0-21swapper/011:54:350
111391310,0ptp4l0-21swapper/010:35:170
111391310,0ptp4l0-21swapper/010:35:170
111391310,0ptp4l0-21swapper/009:18:030
111391300,0ptp4l0-21swapper/411:32:464
111391300,0ptp4l0-21swapper/411:02:554
111391300,0ptp4l0-21swapper/409:40:194
111391300,0ptp4l0-21swapper/010:17:570
111391300,0ptp4l0-21swapper/010:09:510
111391290,0ptp4l0-21swapper/412:19:104
111391290,0ptp4l0-21swapper/411:26:494
111391290,0ptp4l0-21swapper/411:18:584
111391290,0ptp4l0-21swapper/410:18:184
111391290,0ptp4l0-21swapper/409:52:234
111391290,0ptp4l0-21swapper/408:37:344
111391290,0ptp4l0-21swapper/112:09:041
111391290,0ptp4l0-21swapper/011:13:490
111391290,0ptp4l0-21swapper/010:40:020
111391290,0ptp4l0-21swapper/009:05:140
111391280,0ptp4l0-21swapper/412:25:134
111391280,0ptp4l0-21swapper/407:20:114
111391280,0ptp4l0-21swapper/111:46:511
111391280,0ptp4l0-21swapper/109:15:011
111391280,0ptp4l0-21swapper/012:16:170
111391280,0ptp4l0-21swapper/011:00:360
111391280,0ptp4l0-21swapper/010:52:260
111391280,0ptp4l0-21swapper/010:03:520
111391270,0ptp4l0-21swapper/412:02:514
111391270,0ptp4l0-21swapper/411:38:124
111391270,0ptp4l0-21swapper/410:42:284
111391270,0ptp4l0-21swapper/407:48:404
111391270,0ptp4l0-21swapper/310:00:273
111391270,0ptp4l0-21swapper/107:58:321
111391270,0ptp4l0-21swapper/107:58:311
111391270,0ptp4l0-21swapper/012:28:210
111391270,0ptp4l0-21swapper/011:33:510
111391270,0ptp4l0-21swapper/011:15:490
111391260,1ptp4l1565-21head11:35:190
111391260,0ptp4l0-21swapper/710:58:537
111391260,0ptp4l0-21swapper/709:49:497
111391260,0ptp4l0-21swapper/411:52:334
111391260,0ptp4l0-21swapper/410:12:424
111391260,0ptp4l0-21swapper/409:29:484
111391260,0ptp4l0-21swapper/409:11:054
111391260,0ptp4l0-21swapper/111:05:321
111391260,0ptp4l0-21swapper/010:33:440
111391260,0ptp4l0-21swapper/009:39:070
111391250,1ptp4l17844-21smartctl08:50:131
111391250,1ptp4l17684-21tr08:50:115
111391250,0ptp4l0-21swapper/609:15:126
111391250,0ptp4l0-21swapper/412:35:164
111391250,0ptp4l0-21swapper/412:24:444
111391250,0ptp4l0-21swapper/412:10:214
111391250,0ptp4l0-21swapper/411:59:084
111391250,0ptp4l0-21swapper/410:30:214
111391250,0ptp4l0-21swapper/410:05:164
111391250,0ptp4l0-21swapper/409:45:234
111391250,0ptp4l0-21swapper/409:39:594
111391250,0ptp4l0-21swapper/407:30:214
111391250,0ptp4l0-21swapper/010:55:350
111391250,0ptp4l0-21swapper/009:58:350
111391250,0ptp4l0-21swapper/009:45:500
111391250,0ptp4l0-21swapper/009:30:210
111391250,0ptp4l0-21swapper/009:14:360
111391250,0ptp4l0-21swapper/008:35:120
111391250,0ptp4l0-21swapper/008:01:410
111391240,1ptp4l7507-21hddtemp_smartct11:45:140
111391240,1ptp4l3312-21sed09:20:194
111391240,1ptp4l2689-21cut12:25:005
111391240,1ptp4l23284-21netstat07:50:180
111391240,1ptp4l2223-21latency08:15:154
111391240,1ptp4l1636-21sed10:50:184
111391240,1ptp4l10369-21date08:35:000
111391240,0ptp4l0-21swapper/512:18:215
111391240,0ptp4l0-21swapper/510:37:545
111391240,0ptp4l0-21swapper/510:37:545
111391240,0ptp4l0-21swapper/510:13:065
111391240,0ptp4l0-21swapper/510:00:155
111391240,0ptp4l0-21swapper/509:50:125
111391240,0ptp4l0-21swapper/509:10:125
111391240,0ptp4l0-21swapper/507:55:165
111391240,0ptp4l0-21swapper/507:55:165
111391240,0ptp4l0-21swapper/507:45:135
111391240,0ptp4l0-21swapper/411:22:504
111391240,0ptp4l0-21swapper/410:27:094
111391240,0ptp4l0-21swapper/410:20:124
111391240,0ptp4l0-21swapper/410:04:554
111391240,0ptp4l0-21swapper/409:05:164
111391240,0ptp4l0-21swapper/112:19:281
111391240,0ptp4l0-21swapper/110:38:181
111391240,0ptp4l0-21swapper/110:38:171
111391240,0ptp4l0-21swapper/110:25:151
111391240,0ptp4l0-21swapper/109:59:201
111391240,0ptp4l0-21swapper/108:25:181
111391240,0ptp4l0-21swapper/107:39:561
111391240,0ptp4l0-21swapper/012:22:140
111391240,0ptp4l0-21swapper/012:14:510
111391240,0ptp4l0-21swapper/011:56:330
111391240,0ptp4l0-21swapper/009:50:500
111391230,3ptp4l0-21swapper/007:40:580
111391230,2ptp4l0-21swapper/008:51:020
111391230,1ptp4l3851-21fw_conntrack11:40:131
111391230,1ptp4l324999cyclictest11:10:511
111391230,1ptp4l32027-21ssh10:48:080
111391230,1ptp4l22410-21smart_sda12:05:234
111391230,1ptp4l21280-21/usr/sbin/munin12:05:230
111391230,1ptp4l12517-21irqrtprio10:20:150
111391230,0ptp4l18018-21fw_forwarded_lo12:00:140
111391230,0ptp4l0-21swapper/709:10:207
111391230,0ptp4l0-21swapper/512:10:595
111391230,0ptp4l0-21swapper/511:59:445
111391230,0ptp4l0-21swapper/511:40:165
111391230,0ptp4l0-21swapper/511:05:135
111391230,0ptp4l0-21swapper/511:00:135
111391230,0ptp4l0-21swapper/510:45:165
111391230,0ptp4l0-21swapper/510:25:115
111391230,0ptp4l0-21swapper/509:46:335
111391230,0ptp4l0-21swapper/509:35:235
111391230,0ptp4l0-21swapper/509:30:135
111391230,0ptp4l0-21swapper/508:55:155
111391230,0ptp4l0-21swapper/508:40:165
111391230,0ptp4l0-21swapper/508:25:155
111391230,0ptp4l0-21swapper/508:15:215
111391230,0ptp4l0-21swapper/507:45:015
111391230,0ptp4l0-21swapper/507:10:205
111391230,0ptp4l0-21swapper/410:45:014
111391230,0ptp4l0-21swapper/408:52:034
111391230,0ptp4l0-21swapper/408:42:464
111391230,0ptp4l0-21swapper/408:30:184
111391230,0ptp4l0-21swapper/407:15:164
111391230,0ptp4l0-21swapper/407:10:154
111391230,0ptp4l0-21swapper/112:20:171
111391230,0ptp4l0-21swapper/111:19:491
111391230,0ptp4l0-21swapper/111:00:141
111391230,0ptp4l0-21swapper/110:55:141
111391230,0ptp4l0-21swapper/110:45:211
111391230,0ptp4l0-21swapper/110:43:161
111391230,0ptp4l0-21swapper/110:00:141
111391230,0ptp4l0-21swapper/109:35:161
111391230,0ptp4l0-21swapper/109:28:291
111391230,0ptp4l0-21swapper/108:55:221
111391230,0ptp4l0-21swapper/108:46:191
111391230,0ptp4l0-21swapper/108:38:521
111391230,0ptp4l0-21swapper/108:20:131
111391230,0ptp4l0-21swapper/107:45:141
111391230,0ptp4l0-21swapper/107:40:101
111391230,0ptp4l0-21swapper/012:35:160
111391230,0ptp4l0-21swapper/011:25:210
111391230,0ptp4l0-21swapper/011:06:480
111391230,0ptp4l0-21swapper/009:25:190
111391230,0ptp4l0-21swapper/008:58:200
111391230,0ptp4l0-21swapper/008:41:120
111391230,0ptp4l0-21swapper/007:58:010
111391230,0ptp4l0-21swapper/007:58:000
111391230,0ptp4l0-21swapper/007:25:160
111391230,0ptp4l0-21swapper/007:16:540
111391220,3ptp4l0-21swapper/007:47:180
111391220,2ptp4l0-21swapper/407:52:094
111391220,2ptp4l0-21swapper/109:41:381
111391220,1ptp4l5192-21timerwakeupswit08:20:205
111391220,1ptp4l0-21swapper/008:25:320
111391220,0ptp4l0-21swapper/710:19:127
111391220,0ptp4l0-21swapper/710:00:217
111391220,0ptp4l0-21swapper/512:38:535
111391220,0ptp4l0-21swapper/512:30:185
111391220,0ptp4l0-21swapper/512:26:455
111391220,0ptp4l0-21swapper/511:30:425
111391220,0ptp4l0-21swapper/511:24:065
111391220,0ptp4l0-21swapper/511:19:465
111391220,0ptp4l0-21swapper/510:55:235
111391220,0ptp4l0-21swapper/510:15:175
111391220,0ptp4l0-21swapper/509:43:495
111391220,0ptp4l0-21swapper/509:20:595
111391220,0ptp4l0-21swapper/508:50:015
111391220,0ptp4l0-21swapper/508:10:125
111391220,0ptp4l0-21swapper/508:00:225
111391220,0ptp4l0-21swapper/507:50:195
111391220,0ptp4l0-21swapper/411:43:584
111391220,0ptp4l0-21swapper/411:06:584
111391220,0ptp4l0-21swapper/409:55:524
111391220,0ptp4l0-21swapper/409:31:374
111391220,0ptp4l0-21swapper/409:16:414
111391220,0ptp4l0-21swapper/409:00:174
111391220,0ptp4l0-21swapper/408:45:124
111391220,0ptp4l0-21swapper/408:25:224
111391220,0ptp4l0-21swapper/408:12:484
111391220,0ptp4l0-21swapper/407:35:014
111391220,0ptp4l0-21swapper/407:26:014
111391220,0ptp4l0-21swapper/309:10:163
111391220,0ptp4l0-21swapper/209:15:112
111391220,0ptp4l0-21swapper/112:38:431
111391220,0ptp4l0-21swapper/112:03:331
111391220,0ptp4l0-21swapper/111:36:091
111391220,0ptp4l0-21swapper/111:34:171
111391220,0ptp4l0-21swapper/111:20:001
111391220,0ptp4l0-21swapper/110:53:561
111391220,0ptp4l0-21swapper/110:16:101
111391220,0ptp4l0-21swapper/109:50:171
111391220,0ptp4l0-21swapper/109:46:201
111391220,0ptp4l0-21swapper/109:30:161
111391220,0ptp4l0-21swapper/109:20:291
111391220,0ptp4l0-21swapper/109:11:591
111391220,0ptp4l0-21swapper/109:05:111
111391220,0ptp4l0-21swapper/108:40:101
111391220,0ptp4l0-21swapper/108:15:011
111391220,0ptp4l0-21swapper/108:10:201
111391220,0ptp4l0-21swapper/108:00:161
111391220,0ptp4l0-21swapper/107:53:091
111391220,0ptp4l0-21swapper/107:25:171
111391220,0ptp4l0-21swapper/107:10:161
111391220,0ptp4l0-21swapper/011:20:170
111391220,0ptp4l0-21swapper/010:25:090
111391220,0ptp4l0-21swapper/009:00:170
111391220,0ptp4l0-21swapper/008:23:180
111391220,0ptp4l0-21swapper/008:15:130
111391220,0ptp4l0-21swapper/008:05:120
111391220,0ptp4l0-21swapper/007:30:160
111391220,0ptp4l0-21swapper/007:20:120
111391210,3ptp4l0-21swapper/408:04:594
111391210,0ptp4l0-21swapper/710:47:117
111391210,0ptp4l0-21swapper/709:52:367
111391210,0ptp4l0-21swapper/608:01:306
111391210,0ptp4l0-21swapper/512:06:415
111391210,0ptp4l0-21swapper/512:00:485
111391210,0ptp4l0-21swapper/511:46:475
111391210,0ptp4l0-21swapper/511:35:595
111391210,0ptp4l0-21swapper/511:25:555
111391210,0ptp4l0-21swapper/511:10:535
111391210,0ptp4l0-21swapper/510:53:585
111391210,0ptp4l0-21swapper/510:42:055
111391210,0ptp4l0-21swapper/510:21:425
111391210,0ptp4l0-21swapper/510:06:495
111391210,0ptp4l0-21swapper/509:59:265
111391210,0ptp4l0-21swapper/509:28:265
111391210,0ptp4l0-21swapper/509:18:515
111391210,0ptp4l0-21swapper/507:25:175
111391210,0ptp4l0-21swapper/410:55:074
111391210,0ptp4l0-21swapper/408:21:344
111391210,0ptp4l0-21swapper/408:05:144
111391210,0ptp4l0-21swapper/310:58:223
111391210,0ptp4l0-21swapper/310:47:103
111391210,0ptp4l0-21swapper/310:19:343
111391210,0ptp4l0-21swapper/309:49:473
111391210,0ptp4l0-21swapper/309:30:493
111391210,0ptp4l0-21swapper/112:26:051
111391210,0ptp4l0-21swapper/112:10:521
111391210,0ptp4l0-21swapper/111:25:541
111391210,0ptp4l0-21swapper/110:31:471
111391210,0ptp4l0-21swapper/110:20:281
111391210,0ptp4l0-21swapper/110:06:421
111391210,0ptp4l0-21swapper/108:34:161
111391210,0ptp4l0-21swapper/007:35:180
111391210,0ptp4l0-21swapper/007:10:160
111391200,0ptp4l0-21swapper/709:30:527
111391200,0ptp4l0-21swapper/610:34:386
111391200,0ptp4l0-21swapper/509:08:345
111391200,0ptp4l0-21swapper/507:39:325
111391200,0ptp4l0-21swapper/407:40:324
111391200,0ptp4l0-21swapper/212:15:502
111391200,0ptp4l0-21swapper/212:07:272
111391200,0ptp4l0-21swapper/111:57:341
111391200,0ptp4l0-21swapper/111:50:291
111391190,0ptp4l0-21swapper/609:09:416
111391190,0ptp4l0-21swapper/407:57:404
111391190,0ptp4l0-21swapper/407:57:394
111391190,0ptp4l0-21swapper/309:52:283
111391190,0ptp4l0-21swapper/211:30:062
111391190,0ptp4l0-21swapper/209:50:372
111391190,0ptp4l0-21swapper/110:13:321
111391190,0ptp4l0-21swapper/109:04:411
165252180,1sleep6631rcuc/607:35:186
111391180,2ptp4l0-21swapper/107:23:531
111391180,0ptp4l0-21swapper/711:32:077
111391180,0ptp4l0-21swapper/707:28:057
111391180,0ptp4l0-21swapper/611:56:476
111391180,0ptp4l0-21swapper/611:30:076
111391180,0ptp4l0-21swapper/610:53:296
111391180,0ptp4l0-21swapper/608:56:356
111391180,0ptp4l0-21swapper/510:30:045
111391180,0ptp4l0-21swapper/509:04:555
111391180,0ptp4l0-21swapper/311:32:083
111391170,0ptp4l0-21swapper/612:07:266
111391170,0ptp4l0-21swapper/408:58:404
111391170,0ptp4l0-21swapper/211:56:472
111391170,0ptp4l0-21swapper/210:53:292
111391160,0ptp4l0-21swapper/610:15:576
111391160,0ptp4l0-21swapper/609:50:386
111391160,0ptp4l0-21swapper/607:41:186
111391160,0ptp4l0-21swapper/508:39:385
111391160,0ptp4l0-21swapper/508:08:125
111391160,0ptp4l0-21swapper/507:18:205
111391160,0ptp4l0-21swapper/210:32:532
111391160,0ptp4l0-21swapper/108:08:101
111391160,0ptp4l0-21swapper/107:30:271
111391150,0ptp4l0-21swapper/609:03:536
111391150,0ptp4l0-21swapper/608:28:456
111391150,0ptp4l0-21swapper/607:55:276
111391150,0ptp4l0-21swapper/607:55:266
111391150,0ptp4l0-21swapper/607:17:216
111391150,0ptp4l0-21swapper/508:31:325
111391150,0ptp4l0-21swapper/507:30:285
111391150,0ptp4l0-21swapper/507:21:215
111391150,0ptp4l0-21swapper/307:27:473
111391150,0ptp4l0-21swapper/209:09:382
111391150,0ptp4l0-21swapper/207:51:472
111391150,0ptp4l0-21swapper/207:41:182
111391150,0ptp4l0-21swapper/207:17:202
111391150,0ptp4l0-21swapper/107:16:381
111391150,0ptp4l0-21swapper/008:11:250
3291991413,0cyclictest0-21swapper/707:50:147
111391140,0ptp4l0-21swapper/511:53:495
111391140,0ptp4l0-21swapper/209:03:532
111391140,0ptp4l0-21swapper/208:56:332
111391140,0ptp4l0-21swapper/208:28:392
111391140,0ptp4l0-21swapper/208:11:412
111391140,0ptp4l0-21swapper/208:01:282
111391140,0ptp4l0-21swapper/207:35:372
111391140,0ptp4l0-21swapper/207:29:442
111391140,0ptp4l0-21swapper/207:14:302
163602120,1sleep316363-21cpuspeed_turbos09:40:103
325799110,10cyclictest0-21swapper/209:33:462
329199100,0cyclictest0-21swapper/709:55:167
328399109,0cyclictest0-21swapper/610:20:216
328399109,0cyclictest0-21swapper/610:12:206
328399108,1cyclictest0-21swapper/612:33:186
328399100,9cyclictest0-21swapper/612:39:366
328399100,9cyclictest0-21swapper/612:27:016
328399100,9cyclictest0-21swapper/611:43:576
328399100,9cyclictest0-21swapper/611:06:436
328399100,0cyclictest0-21swapper/612:20:446
328399100,0cyclictest0-21swapper/609:40:166
326299109,0cyclictest0-21swapper/311:38:283
326299100,0cyclictest0-21swapper/308:15:153
325799109,0cyclictest0-21swapper/210:49:122
325799109,0cyclictest0-21swapper/209:29:132
325799100,9cyclictest0-21swapper/210:27:312
325799100,9cyclictest0-21swapper/210:19:302
325799100,9cyclictest0-21swapper/209:43:212
32919998,0cyclictest0-21swapper/710:21:507
32919990,8cyclictest26340-21diskmemload09:24:097
32919990,8cyclictest0-21swapper/711:26:157
32919990,8cyclictest0-21swapper/711:11:207
32919990,8cyclictest0-21swapper/709:29:487
32919990,0cyclictest0-21swapper/711:57:327
32919990,0cyclictest0-21swapper/710:53:447
32839998,0cyclictest0-21swapper/612:03:366
32839998,0cyclictest0-21swapper/611:39:056
32839998,0cyclictest0-21swapper/610:28:136
32839990,0cyclictest0-21swapper/609:10:446
32629998,0cyclictest0-21swapper/311:58:353
32629998,0cyclictest0-21swapper/310:52:263
32629998,0cyclictest0-21swapper/309:27:143
32629997,1cyclictest0-21swapper/312:09:353
32629990,0cyclictest0-21swapper/310:34:213
32629990,0cyclictest0-21swapper/309:19:243
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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