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2026-05-26 - 01:35

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 Mon May 25, 2026 12:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
58802970,0sleep70-21swapper/710:30:167
111391720,5ptp4l0-21swapper/407:07:314
111391640,60ptp4l0-21swapper/007:05:190
71082590,0sleep341-21ksoftirqd/309:49:013
1862325747,6sleep20-21swapper/207:08:352
1881915543,7phc2sys0-21swapper/607:08:546
187792530,0sleep20-21swapper/208:15:222
1870525242,6sleep70-21swapper/707:09:367
174202520,0sleep00-21swapper/010:02:050
174202520,0sleep00-21swapper/010:02:050
1857824736,7sleep30-21swapper/307:08:033
1850724634,7sleep50-21swapper/507:07:105
1844724634,7sleep10-21swapper/107:06:181
111391350,0ptp4l0-21swapper/009:30:180
111391340,0ptp4l0-21swapper/009:59:540
111391340,0ptp4l0-21swapper/009:59:530
111391330,2ptp4l0-21swapper/411:45:144
111391330,2ptp4l0-21swapper/409:25:164
111391330,1ptp4l16739-21ssh09:18:000
111391330,0ptp4l0-21swapper/011:36:280
111391330,0ptp4l0-21swapper/010:42:380
111391330,0ptp4l0-21swapper/007:10:130
111391320,0ptp4l0-21swapper/410:46:134
111391320,0ptp4l0-21swapper/110:27:271
111391320,0ptp4l0-21swapper/011:27:380
111391320,0ptp4l0-21swapper/010:21:390
111391310,1ptp4l18730-21ssh11:30:591
111391310,0ptp4l0-21swapper/412:39:394
111391310,0ptp4l0-21swapper/407:55:174
111391310,0ptp4l0-21swapper/109:26:371
111391310,0ptp4l0-21swapper/012:39:480
111391310,0ptp4l0-21swapper/008:20:110
111391300,3ptp4l0-21swapper/412:30:034
111391300,3ptp4l0-21swapper/412:30:034
111391300,1ptp4l0-21swapper/512:38:055
111391300,1ptp4l0-21swapper/511:35:105
111391300,0ptp4l0-21swapper/409:56:244
111391300,0ptp4l0-21swapper/409:56:244
111391300,0ptp4l0-21swapper/110:43:431
111391300,0ptp4l0-21swapper/011:55:210
111391300,0ptp4l0-21swapper/011:13:240
111391300,0ptp4l0-21swapper/010:08:280
111391290,3ptp4l0-21swapper/411:22:384
111391290,0ptp4l0-21swapper/411:10:064
111391290,0ptp4l0-21swapper/411:02:104
111391290,0ptp4l0-21swapper/410:40:564
111391290,0ptp4l0-21swapper/410:29:454
111391290,0ptp4l0-21swapper/112:22:521
111391290,0ptp4l0-21swapper/012:27:070
111391290,0ptp4l0-21swapper/012:00:110
111391290,0ptp4l0-21swapper/010:46:200
111391290,0ptp4l0-21swapper/009:53:530
111391290,0ptp4l0-21swapper/009:43:280
111391280,0ptp4l0-21swapper/509:34:585
111391280,0ptp4l0-21swapper/509:20:385
111391280,0ptp4l0-21swapper/412:02:404
111391280,0ptp4l0-21swapper/410:13:554
111391280,0ptp4l0-21swapper/111:37:291
111391280,0ptp4l0-21swapper/012:09:060
111391270,2ptp4l0-21swapper/409:45:544
111391270,0ptp4l0-21swapper/512:27:285
111391270,0ptp4l0-21swapper/511:06:145
111391270,0ptp4l0-21swapper/511:00:045
111391270,0ptp4l0-21swapper/510:55:185
111391270,0ptp4l0-21swapper/510:41:485
111391270,0ptp4l0-21swapper/509:14:495
111391270,0ptp4l0-21swapper/507:58:295
111391270,0ptp4l0-21swapper/412:24:344
111391270,0ptp4l0-21swapper/412:14:484
111391270,0ptp4l0-21swapper/412:06:134
111391270,0ptp4l0-21swapper/411:18:564
111391270,0ptp4l0-21swapper/410:21:454
111391270,0ptp4l0-21swapper/011:21:210
111391270,0ptp4l0-21swapper/009:28:370
111391260,1ptp4l14744-21irqrtprio09:15:174
111391260,0ptp4l0-21swapper/511:17:135
111391260,0ptp4l0-21swapper/511:10:205
111391260,0ptp4l0-21swapper/409:31:564
111391260,0ptp4l0-21swapper/409:21:094
111391260,0ptp4l0-21swapper/407:51:254
111391260,0ptp4l0-21swapper/012:10:070
111391260,0ptp4l0-21swapper/011:50:420
111391260,0ptp4l0-21swapper/011:19:510
111391260,0ptp4l0-21swapper/010:31:320
111391260,0ptp4l0-21swapper/009:45:160
111391260,0ptp4l0-21swapper/009:12:560
111391260,0ptp4l0-21swapper/008:15:150
111391250,3ptp4l0-21swapper/411:31:084
111391250,1ptp4l31655-21memory11:05:170
111391250,0ptp4l21409-21tr12:20:125
111391250,0ptp4l0-21swapper/511:54:105
111391250,0ptp4l0-21swapper/511:32:305
111391250,0ptp4l0-21swapper/510:18:275
111391250,0ptp4l0-21swapper/508:24:255
111391250,0ptp4l0-21swapper/507:37:215
111391250,0ptp4l0-21swapper/507:30:015
111391250,0ptp4l0-21swapper/411:55:534
111391250,0ptp4l0-21swapper/411:37:504
111391250,0ptp4l0-21swapper/410:03:244
111391250,0ptp4l0-21swapper/410:03:244
111391250,0ptp4l0-21swapper/409:53:334
111391250,0ptp4l0-21swapper/409:10:164
111391250,0ptp4l0-21swapper/408:42:224
111391250,0ptp4l0-21swapper/112:16:391
111391250,0ptp4l0-21swapper/111:10:201
111391250,0ptp4l0-21swapper/111:08:091
111391250,0ptp4l0-21swapper/110:55:111
111391250,0ptp4l0-21swapper/010:57:570
111391250,0ptp4l0-21swapper/010:11:570
111391250,0ptp4l0-21swapper/008:45:590
111391250,0ptp4l0-21swapper/008:04:310
111391250,0ptp4l0-21swapper/007:30:120
111391240,3ptp4l1061-21snmpd11:04:481
111391240,2ptp4l0-21swapper/109:22:311
111391240,1ptp4l5315-21latency_hist08:59:590
111391240,1ptp4l49-21ksoftirqd/407:35:014
111391240,1ptp4l29519-21/usr/sbin/munin09:35:140
111391240,1ptp4l22398-21hddtemp_smartct07:15:120
111391240,1ptp4l1183-21/usr/sbin/munin07:40:174
111391240,1ptp4l0-21swapper/410:53:044
111391240,0ptp4l0-21swapper/512:33:255
111391240,0ptp4l0-21swapper/512:33:255
111391240,0ptp4l0-21swapper/511:25:125
111391240,0ptp4l0-21swapper/510:05:165
111391240,0ptp4l0-21swapper/510:00:205
111391240,0ptp4l0-21swapper/510:00:205
111391240,0ptp4l0-21swapper/508:43:295
111391240,0ptp4l0-21swapper/508:25:135
111391240,0ptp4l0-21swapper/412:18:334
111391240,0ptp4l0-21swapper/410:15:184
111391240,0ptp4l0-21swapper/410:07:454
111391240,0ptp4l0-21swapper/409:40:124
111391240,0ptp4l0-21swapper/408:53:154
111391240,0ptp4l0-21swapper/408:35:254
111391240,0ptp4l0-21swapper/408:20:544
111391240,0ptp4l0-21swapper/408:15:164
111391240,0ptp4l0-21swapper/407:35:114
111391240,0ptp4l0-21swapper/407:23:384
111391240,0ptp4l0-21swapper/407:23:374
111391240,0ptp4l0-21swapper/110:45:591
111391240,0ptp4l0-21swapper/110:17:241
111391240,0ptp4l0-21swapper/109:11:181
111391240,0ptp4l0-21swapper/107:50:151
111391240,0ptp4l0-21swapper/012:19:480
111391240,0ptp4l0-21swapper/011:00:130
111391240,0ptp4l0-21swapper/010:15:120
111391240,0ptp4l0-21swapper/009:24:560
111391240,0ptp4l0-21swapper/008:35:220
111391240,0ptp4l0-21swapper/008:09:050
111391240,0ptp4l0-21swapper/007:50:170
111391240,0ptp4l0-21swapper/007:45:150
111391240,0ptp4l0-21swapper/007:42:370
111391230,1ptp4l26804-21ssh11:42:450
111391230,1ptp4l14484-21smart_sda11:25:174
111391230,0ptp4l9763-21diskmemload12:26:304
111391230,0ptp4l0-21swapper/611:55:116
111391230,0ptp4l0-21swapper/511:48:015
111391230,0ptp4l0-21swapper/511:40:205
111391230,0ptp4l0-21swapper/510:50:145
111391230,0ptp4l0-21swapper/510:45:195
111391230,0ptp4l0-21swapper/510:35:205
111391230,0ptp4l0-21swapper/510:27:115
111391230,0ptp4l0-21swapper/509:05:165
111391230,0ptp4l0-21swapper/509:00:165
111391230,0ptp4l0-21swapper/508:30:115
111391230,0ptp4l0-21swapper/507:50:135
111391230,0ptp4l0-21swapper/507:20:215
111391230,0ptp4l0-21swapper/507:20:205
111391230,0ptp4l0-21swapper/507:17:555
111391230,0ptp4l0-21swapper/411:40:134
111391230,0ptp4l0-21swapper/411:05:134
111391230,0ptp4l0-21swapper/410:37:534
111391230,0ptp4l0-21swapper/410:30:154
111391230,0ptp4l0-21swapper/409:05:114
111391230,0ptp4l0-21swapper/408:10:184
111391230,0ptp4l0-21swapper/408:05:104
111391230,0ptp4l0-21swapper/407:25:194
111391230,0ptp4l0-21swapper/407:16:134
111391230,0ptp4l0-21swapper/211:55:102
111391230,0ptp4l0-21swapper/210:06:522
111391230,0ptp4l0-21swapper/112:38:301
111391230,0ptp4l0-21swapper/112:30:301
111391230,0ptp4l0-21swapper/112:30:301
111391230,0ptp4l0-21swapper/112:08:301
111391230,0ptp4l0-21swapper/112:01:031
111391230,0ptp4l0-21swapper/111:50:151
111391230,0ptp4l0-21swapper/111:40:181
111391230,0ptp4l0-21swapper/110:50:141
111391230,0ptp4l0-21swapper/110:21:251
111391230,0ptp4l0-21swapper/110:05:121
111391230,0ptp4l0-21swapper/110:00:201
111391230,0ptp4l0-21swapper/110:00:191
111391230,0ptp4l0-21swapper/109:55:121
111391230,0ptp4l0-21swapper/109:55:121
111391230,0ptp4l0-21swapper/109:46:301
111391230,0ptp4l0-21swapper/109:30:101
111391230,0ptp4l0-21swapper/109:15:211
111391230,0ptp4l0-21swapper/109:05:131
111391230,0ptp4l0-21swapper/109:00:121
111391230,0ptp4l0-21swapper/108:55:161
111391230,0ptp4l0-21swapper/108:45:151
111391230,0ptp4l0-21swapper/108:30:151
111391230,0ptp4l0-21swapper/107:45:181
111391230,0ptp4l0-21swapper/012:22:320
111391230,0ptp4l0-21swapper/011:45:150
111391230,0ptp4l0-21swapper/011:30:190
111391230,0ptp4l0-21swapper/010:50:160
111391230,0ptp4l0-21swapper/010:35:190
111391230,0ptp4l0-21swapper/010:26:440
111391230,0ptp4l0-21swapper/008:28:260
111391230,0ptp4l0-21swapper/007:25:050
111391230,0ptp4l0-21swapper/007:21:450
111391230,0ptp4l0-21swapper/007:21:440
111391220,1ptp4l1900999cyclictest10:34:581
111391220,0ptp4l0-21swapper/612:11:576
111391220,0ptp4l0-21swapper/612:08:206
111391220,0ptp4l0-21swapper/611:46:516
111391220,0ptp4l0-21swapper/610:06:436
111391220,0ptp4l0-21swapper/512:08:325
111391220,0ptp4l0-21swapper/511:55:415
111391220,0ptp4l0-21swapper/511:23:175
111391220,0ptp4l0-21swapper/510:11:175
111391220,0ptp4l0-21swapper/509:56:515
111391220,0ptp4l0-21swapper/509:56:515
111391220,0ptp4l0-21swapper/509:46:475
111391220,0ptp4l0-21swapper/509:37:125
111391220,0ptp4l0-21swapper/509:15:225
111391220,0ptp4l0-21swapper/508:55:185
111391220,0ptp4l0-21swapper/508:54:455
111391220,0ptp4l0-21swapper/508:38:135
111391220,0ptp4l0-21swapper/507:47:255
111391220,0ptp4l0-21swapper/507:13:155
111391220,0ptp4l0-21swapper/411:50:114
111391220,0ptp4l0-21swapper/410:55:474
111391220,0ptp4l0-21swapper/409:35:124
111391220,0ptp4l0-21swapper/408:00:094
111391220,0ptp4l0-21swapper/407:45:124
111391220,0ptp4l0-21swapper/112:28:261
111391220,0ptp4l0-21swapper/112:12:291
111391220,0ptp4l0-21swapper/111:57:331
111391220,0ptp4l0-21swapper/111:45:581
111391220,0ptp4l0-21swapper/111:26:071
111391220,0ptp4l0-21swapper/111:24:031
111391220,0ptp4l0-21swapper/111:15:111
111391220,0ptp4l0-21swapper/110:37:131
111391220,0ptp4l0-21swapper/110:10:091
111391220,0ptp4l0-21swapper/108:25:151
111391220,0ptp4l0-21swapper/107:35:161
111391220,0ptp4l0-21swapper/107:25:431
111391220,0ptp4l0-21swapper/107:20:131
111391220,0ptp4l0-21swapper/107:20:121
111391220,0ptp4l0-21swapper/107:20:011
111391220,0ptp4l0-21swapper/107:10:191
111391220,0ptp4l0-21swapper/012:30:200
111391220,0ptp4l0-21swapper/012:30:200
111391220,0ptp4l0-21swapper/008:54:170
111391220,0ptp4l0-21swapper/008:40:110
111391220,0ptp4l0-21swapper/008:31:450
111391220,0ptp4l0-21swapper/008:10:160
111391210,0ptp4l0-21swapper/611:13:366
111391210,0ptp4l0-21swapper/610:14:066
111391210,0ptp4l0-21swapper/609:29:086
111391210,0ptp4l0-21swapper/512:02:095
111391210,0ptp4l0-21swapper/509:53:015
111391210,0ptp4l0-21swapper/509:26:535
111391210,0ptp4l0-21swapper/508:45:135
111391210,0ptp4l0-21swapper/409:05:004
111391210,0ptp4l0-21swapper/408:56:124
111391210,0ptp4l0-21swapper/408:28:104
111391210,0ptp4l0-21swapper/407:14:114
111391210,0ptp4l0-21swapper/211:13:432
111391210,0ptp4l0-21swapper/210:13:052
111391210,0ptp4l0-21swapper/109:50:371
111391210,0ptp4l0-21swapper/109:43:111
111391210,0ptp4l0-21swapper/109:37:261
111391210,0ptp4l0-21swapper/108:50:201
111391210,0ptp4l0-21swapper/108:39:121
111391210,0ptp4l0-21swapper/007:58:110
111391200,0ptp4l0-21swapper/610:20:226
111391200,0ptp4l0-21swapper/512:17:195
111391200,0ptp4l0-21swapper/512:12:315
111391200,0ptp4l0-21swapper/509:43:095
111391200,0ptp4l0-21swapper/408:34:114
111391200,0ptp4l0-21swapper/211:46:462
111391200,0ptp4l0-21swapper/209:41:032
111391200,0ptp4l0-21swapper/108:24:291
111391200,0ptp4l0-21swapper/108:01:101
111391200,0ptp4l0-21swapper/107:55:111
111391200,0ptp4l0-21swapper/007:35:120
322552190,0sleep40-21swapper/408:45:194
111391190,1ptp4l30731-21pgrep07:33:095
111391190,0ptp4l0-21swapper/609:40:536
111391190,0ptp4l0-21swapper/510:21:265
111391190,0ptp4l0-21swapper/212:39:262
111391190,0ptp4l0-21swapper/212:08:202
111391190,0ptp4l0-21swapper/210:20:232
111391180,0ptp4l0-21swapper/610:36:276
111391180,0ptp4l0-21swapper/510:34:485
111391180,0ptp4l0-21swapper/210:36:272
111391180,0ptp4l0-21swapper/209:49:052
111391180,0ptp4l0-21swapper/209:29:092
111391170,0ptp4l0-21swapper/211:22:172
111391170,0ptp4l0-21swapper/009:09:120
111391160,0ptp4l0-21swapper/609:49:076
111391160,0ptp4l0-21swapper/508:05:585
111391160,0ptp4l0-21swapper/211:42:222
111391160,0ptp4l0-21swapper/108:11:131
111391160,0ptp4l0-21swapper/108:06:301
111391160,0ptp4l0-21swapper/107:40:301
111391160,0ptp4l0-21swapper/107:32:191
1904399150,0cyclictest0-21swapper/607:40:146
111391150,0ptp4l0-21swapper/611:22:186
111391150,0ptp4l0-21swapper/610:25:216
111391150,0ptp4l0-21swapper/609:06:276
111391150,0ptp4l0-21swapper/608:54:136
111391150,0ptp4l0-21swapper/608:42:486
111391150,0ptp4l0-21swapper/608:12:586
111391150,0ptp4l0-21swapper/607:57:496
111391150,0ptp4l0-21swapper/607:34:206
111391150,0ptp4l0-21swapper/508:11:295
111391150,0ptp4l0-21swapper/508:00:405
111391150,0ptp4l0-21swapper/507:40:305
111391150,0ptp4l0-21swapper/210:25:212
111391150,0ptp4l0-21swapper/209:18:172
111391150,0ptp4l0-21swapper/209:03:472
111391150,0ptp4l0-21swapper/208:40:342
111391150,0ptp4l0-21swapper/208:12:532
111391150,0ptp4l0-21swapper/208:04:072
111391150,0ptp4l0-21swapper/207:57:462
111391150,0ptp4l0-21swapper/207:34:132
111391150,0ptp4l0-21swapper/108:43:051
111391150,0ptp4l0-21swapper/108:19:151
111391150,0ptp4l0-21swapper/009:00:040
111391140,0ptp4l0-21swapper/609:03:496
111391140,0ptp4l0-21swapper/608:37:446
111391140,0ptp4l0-21swapper/608:28:396
111391140,0ptp4l0-21swapper/608:04:066
111391140,0ptp4l0-21swapper/607:39:586
111391140,0ptp4l0-21swapper/212:11:502
111391140,0ptp4l0-21swapper/209:06:272
111391140,0ptp4l0-21swapper/208:54:092
111391140,0ptp4l0-21swapper/208:35:242
111391140,0ptp4l0-21swapper/207:39:582
111391140,0ptp4l0-21swapper/207:16:342
1905099130,12cyclictest0-21swapper/707:40:157
1904399138,4cyclictest10165-21kworker/u16:109:32:496
1905099120,11cyclictest0-21swapper/711:57:467
1905099120,11cyclictest0-21swapper/711:40:427
1904399121,7cyclictest186291getstats09:52:256
1904399120,8cyclictest0-21swapper/612:02:366
1904399120,0cyclictest0-21swapper/611:17:306
1904399120,0cyclictest0-21swapper/611:05:346
1904399120,0cyclictest0-21swapper/610:33:116
1904399120,0cyclictest0-21swapper/609:55:196
1904399120,0cyclictest0-21swapper/609:55:196
1905099110,10cyclictest0-21swapper/711:54:427
1905099110,10cyclictest0-21swapper/709:55:197
1905099110,10cyclictest0-21swapper/709:55:187
1905099110,10cyclictest0-21swapper/709:27:027
1904399110,1cyclictest0-21swapper/611:40:396
1904399110,1cyclictest0-21swapper/611:00:166
1904399110,0cyclictest0-21swapper/610:57:526
1904399110,0cyclictest0-21swapper/610:03:406
1904399110,0cyclictest0-21swapper/610:03:396
1905099109,0cyclictest0-21swapper/710:38:567
1905099109,0cyclictest0-21swapper/710:17:247
1905099109,0cyclictest0-21swapper/709:39:227
1905099109,0cyclictest0-21swapper/709:15:487
1905099108,1cyclictest0-21swapper/712:00:207
1905099108,1cyclictest0-21swapper/709:34:577
1905099100,9cyclictest0-21swapper/712:16:507
1905099100,9cyclictest0-21swapper/711:16:587
1905099100,9cyclictest0-21swapper/708:03:307
1905099100,7cyclictest186291getstats12:26:497
1905099100,5cyclictest20351-21cat07:10:197
1905099100,1cyclictest0-21swapper/711:28:457
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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