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2026-04-30 - 15:07

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 Thu Apr 30, 2026 00:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391600,6ptp4l0-21swapper/319:08:403
66102590,3sleep31709199cyclictest21:50:103
1881915836,7phc2sys0-21swapper/119:07:441
125892580,0sleep10-21swapper/120:09:161
111391570,5ptp4l0-21swapper/719:05:097
1662225634,7sleep60-21swapper/619:07:386
1668225332,6sleep20-21swapper/219:08:222
1492225231,6sleep40-21swapper/419:05:124
297802510,2sleep71711999cyclictest22:29:327
1650824937,7sleep00-21swapper/019:06:130
1675824534,7sleep50-21swapper/519:09:215
111391360,1ptp4l19381-21cat00:00:120
111391350,0ptp4l0-21swapper/422:50:114
111391330,1ptp4l18066-21if_err_enp1s020:20:150
111391320,0ptp4l0-21swapper/423:13:344
111391320,0ptp4l0-21swapper/422:41:594
111391320,0ptp4l0-21swapper/421:00:204
111391310,0ptp4l0-21swapper/723:21:057
111391310,0ptp4l0-21swapper/522:07:335
111391310,0ptp4l0-21swapper/422:27:184
111391310,0ptp4l0-21swapper/421:59:514
111391310,0ptp4l0-21swapper/123:02:581
111391310,0ptp4l0-21swapper/122:23:311
111391310,0ptp4l0-21swapper/120:50:171
111391300,0ptp4l0-21swapper/521:49:265
111391300,0ptp4l0-21swapper/500:21:555
111391300,0ptp4l0-21swapper/423:25:234
111391300,0ptp4l0-21swapper/422:45:134
111391300,0ptp4l0-21swapper/421:32:124
111391300,0ptp4l0-21swapper/421:18:204
111391300,0ptp4l0-21swapper/421:18:194
111391300,0ptp4l0-21swapper/023:44:590
111391300,0ptp4l0-21swapper/022:49:360
111391300,0ptp4l0-21swapper/000:21:410
111391290,0ptp4l0-21swapper/623:14:196
111391290,0ptp4l0-21swapper/423:51:354
111391290,0ptp4l0-21swapper/423:51:354
111391290,0ptp4l0-21swapper/423:09:084
111391290,0ptp4l0-21swapper/422:37:394
111391290,0ptp4l0-21swapper/422:18:164
111391290,0ptp4l0-21swapper/422:12:294
111391290,0ptp4l0-21swapper/421:40:324
111391290,0ptp4l0-21swapper/400:31:254
111391290,0ptp4l0-21swapper/323:37:033
111391290,0ptp4l0-21swapper/223:41:192
111391290,0ptp4l0-21swapper/100:16:151
111391290,0ptp4l0-21swapper/022:42:230
111391290,0ptp4l0-21swapper/021:22:500
111391280,1ptp4l0-21swapper/022:59:130
111391280,0ptp4l7830-21diskmemload00:17:330
111391280,0ptp4l0-21swapper/523:24:365
111391280,0ptp4l0-21swapper/521:55:475
111391280,0ptp4l0-21swapper/423:23:074
111391280,0ptp4l0-21swapper/400:19:564
111391280,0ptp4l0-21swapper/023:59:480
111391280,0ptp4l0-21swapper/023:59:470
111391280,0ptp4l0-21swapper/023:18:060
111391280,0ptp4l0-21swapper/023:12:160
111391280,0ptp4l0-21swapper/023:06:210
111391280,0ptp4l0-21swapper/022:04:590
111391280,0ptp4l0-21swapper/021:35:210
111391280,0ptp4l0-21swapper/021:26:250
111391280,0ptp4l0-21swapper/021:19:430
111391280,0ptp4l0-21swapper/021:19:420
111391280,0ptp4l0-21swapper/000:07:100
111391270,0ptp4l0-21swapper/422:32:074
111391270,0ptp4l0-21swapper/422:09:224
111391270,0ptp4l0-21swapper/421:29:064
111391270,0ptp4l0-21swapper/421:13:134
111391270,0ptp4l0-21swapper/400:38:504
111391270,0ptp4l0-21swapper/123:42:341
111391270,0ptp4l0-21swapper/121:36:311
111391270,0ptp4l0-21swapper/022:53:490
111391270,0ptp4l0-21swapper/022:05:430
111391270,0ptp4l0-21swapper/021:49:450
111391270,0ptp4l0-21swapper/000:36:390
80852260,0sleep30-21swapper/300:37:293
111391260,3ptp4l0-21swapper/522:25:475
111391260,3ptp4l0-21swapper/120:00:151
111391260,3ptp4l0-21swapper/022:36:010
111391260,1ptp4l15159-21ssh23:51:240
111391260,1ptp4l15159-21ssh23:51:240
111391260,0ptp4l121rcu_preempt22:00:164
111391260,0ptp4l0-21swapper/722:35:157
111391260,0ptp4l0-21swapper/620:46:166
111391260,0ptp4l0-21swapper/522:57:275
111391260,0ptp4l0-21swapper/423:15:174
111391260,0ptp4l0-21swapper/421:53:374
111391260,0ptp4l0-21swapper/421:46:404
111391260,0ptp4l0-21swapper/421:35:354
111391260,0ptp4l0-21swapper/400:27:204
111391260,0ptp4l0-21swapper/400:04:244
111391260,0ptp4l0-21swapper/121:49:221
111391260,0ptp4l0-21swapper/100:32:431
111391260,0ptp4l0-21swapper/100:20:431
111391260,0ptp4l0-21swapper/100:08:531
111391260,0ptp4l0-21swapper/023:31:450
111391260,0ptp4l0-21swapper/023:20:420
111391260,0ptp4l0-21swapper/021:30:390
111391260,0ptp4l0-21swapper/019:40:200
111391250,1ptp4l1808-21df_inode19:45:115
111391250,0ptp4l0-21swapper/719:15:027
111391250,0ptp4l0-21swapper/423:50:004
111391250,0ptp4l0-21swapper/423:38:214
111391250,0ptp4l0-21swapper/423:32:494
111391250,0ptp4l0-21swapper/422:55:304
111391250,0ptp4l0-21swapper/421:05:214
111391250,0ptp4l0-21swapper/419:30:124
111391250,0ptp4l0-21swapper/023:49:580
111391250,0ptp4l0-21swapper/023:27:060
111391250,0ptp4l0-21swapper/022:33:360
111391250,0ptp4l0-21swapper/021:44:500
111391250,0ptp4l0-21swapper/000:31:430
111391250,0ptp4l0-21swapper/000:28:140
111391240,1ptp4l31396-21/usr/sbin/munin20:50:110
111391240,1ptp4l23197-21grep20:30:160
111391240,1ptp4l17450-21cat20:20:004
111391240,0ptp4l0-21swapper/722:47:367
111391240,0ptp4l0-21swapper/522:10:185
111391240,0ptp4l0-21swapper/521:37:195
111391240,0ptp4l0-21swapper/519:20:145
111391240,0ptp4l0-21swapper/500:04:405
111391240,0ptp4l0-21swapper/423:00:134
111391240,0ptp4l0-21swapper/420:30:154
111391240,0ptp4l0-21swapper/419:40:204
111391240,0ptp4l0-21swapper/400:10:154
111391240,0ptp4l0-21swapper/123:47:471
111391240,0ptp4l0-21swapper/121:22:181
111391240,0ptp4l0-21swapper/120:55:201
111391240,0ptp4l0-21swapper/119:15:201
111391240,0ptp4l0-21swapper/023:35:360
111391240,0ptp4l0-21swapper/023:03:540
111391240,0ptp4l0-21swapper/022:18:140
111391240,0ptp4l0-21swapper/021:11:520
111391240,0ptp4l0-21swapper/020:58:360
111391240,0ptp4l0-21swapper/020:44:590
111391240,0ptp4l0-21swapper/020:30:000
111391240,0ptp4l0-21swapper/000:13:180
111391230,1ptp4l30170-21missed_timers19:35:164
111391230,1ptp4l11975-21ssh21:59:250
111391230,0ptp4l0-21swapper/719:10:157
111391230,0ptp4l0-21swapper/523:10:005
111391230,0ptp4l0-21swapper/522:20:155
111391230,0ptp4l0-21swapper/521:44:345
111391230,0ptp4l0-21swapper/520:55:175
111391230,0ptp4l0-21swapper/520:00:195
111391230,0ptp4l0-21swapper/519:40:135
111391230,0ptp4l0-21swapper/519:36:285
111391230,0ptp4l0-21swapper/519:25:195
111391230,0ptp4l0-21swapper/500:10:205
111391230,0ptp4l0-21swapper/500:09:265
111391230,0ptp4l0-21swapper/423:41:274
111391230,0ptp4l0-21swapper/422:20:234
111391230,0ptp4l0-21swapper/421:20:154
111391230,0ptp4l0-21swapper/420:50:114
111391230,0ptp4l0-21swapper/420:45:144
111391230,0ptp4l0-21swapper/420:40:174
111391230,0ptp4l0-21swapper/420:25:144
111391230,0ptp4l0-21swapper/420:10:224
111391230,0ptp4l0-21swapper/420:05:144
111391230,0ptp4l0-21swapper/419:50:184
111391230,0ptp4l0-21swapper/323:23:363
111391230,0ptp4l0-21swapper/319:15:013
111391230,0ptp4l0-21swapper/221:05:182
111391230,0ptp4l0-21swapper/123:53:091
111391230,0ptp4l0-21swapper/123:53:081
111391230,0ptp4l0-21swapper/123:10:171
111391230,0ptp4l0-21swapper/123:08:181
111391230,0ptp4l0-21swapper/122:10:131
111391230,0ptp4l0-21swapper/121:41:391
111391230,0ptp4l0-21swapper/119:45:151
111391230,0ptp4l0-21swapper/119:20:141
111391230,0ptp4l0-21swapper/022:28:570
111391230,0ptp4l0-21swapper/022:13:070
111391230,0ptp4l0-21swapper/021:52:080
111391230,0ptp4l0-21swapper/021:02:020
111391230,0ptp4l0-21swapper/020:45:130
111391230,0ptp4l0-21swapper/020:35:200
111391230,0ptp4l0-21swapper/020:10:140
111391230,0ptp4l0-21swapper/020:00:120
111391230,0ptp4l0-21swapper/019:55:130
111391230,0ptp4l0-21swapper/019:50:000
111391230,0ptp4l0-21swapper/019:30:210
111391220,1ptp4l8720-21diskstats20:00:114
111391220,0ptp4l7830-21diskmemload22:47:223
111391220,0ptp4l0-21swapper/723:36:517
111391220,0ptp4l0-21swapper/622:51:046
111391220,0ptp4l0-21swapper/621:05:186
111391220,0ptp4l0-21swapper/523:52:025
111391220,0ptp4l0-21swapper/523:52:015
111391220,0ptp4l0-21swapper/523:47:495
111391220,0ptp4l0-21swapper/523:40:205
111391220,0ptp4l0-21swapper/523:28:185
111391220,0ptp4l0-21swapper/523:10:115
111391220,0ptp4l0-21swapper/522:49:455
111391220,0ptp4l0-21swapper/522:37:555
111391220,0ptp4l0-21swapper/522:30:055
111391220,0ptp4l0-21swapper/522:00:385
111391220,0ptp4l0-21swapper/521:53:005
111391220,0ptp4l0-21swapper/521:28:395
111391220,0ptp4l0-21swapper/521:15:585
111391220,0ptp4l0-21swapper/521:15:575
111391220,0ptp4l0-21swapper/521:03:385
111391220,0ptp4l0-21swapper/520:50:215
111391220,0ptp4l0-21swapper/520:05:015
111391220,0ptp4l0-21swapper/519:15:225
111391220,0ptp4l0-21swapper/500:38:235
111391220,0ptp4l0-21swapper/500:33:575
111391220,0ptp4l0-21swapper/500:28:385
111391220,0ptp4l0-21swapper/423:55:154
111391220,0ptp4l0-21swapper/423:55:154
111391220,0ptp4l0-21swapper/420:35:174
111391220,0ptp4l0-21swapper/420:20:124
111391220,0ptp4l0-21swapper/400:20:144
111391220,0ptp4l0-21swapper/400:05:204
111391220,0ptp4l0-21swapper/319:10:103
111391220,0ptp4l0-21swapper/223:48:332
111391220,0ptp4l0-21swapper/123:59:201
111391220,0ptp4l0-21swapper/123:59:201
111391220,0ptp4l0-21swapper/123:31:051
111391220,0ptp4l0-21swapper/123:24:041
111391220,0ptp4l0-21swapper/123:18:501
111391220,0ptp4l0-21swapper/122:30:111
111391220,0ptp4l0-21swapper/122:25:421
111391220,0ptp4l0-21swapper/121:55:011
111391220,0ptp4l0-21swapper/121:29:551
111391220,0ptp4l0-21swapper/121:18:301
111391220,0ptp4l0-21swapper/121:18:291
111391220,0ptp4l0-21swapper/121:12:151
111391220,0ptp4l0-21swapper/121:08:321
111391220,0ptp4l0-21swapper/119:55:171
111391220,0ptp4l0-21swapper/119:25:171
111391220,0ptp4l0-21swapper/100:39:181
111391220,0ptp4l0-21swapper/100:29:211
111391220,0ptp4l0-21swapper/100:01:021
111391220,0ptp4l0-21swapper/022:25:000
111391220,0ptp4l0-21swapper/021:05:130
111391220,0ptp4l0-21swapper/020:15:140
111391220,0ptp4l0-21swapper/020:05:160
111391220,0ptp4l0-21swapper/019:50:030
111391220,0ptp4l0-21swapper/019:35:130
111391220,0ptp4l0-21swapper/019:15:120
111391210,1ptp4l1708599cyclictest00:24:432
111391210,0ptp4l0-21swapper/723:48:557
111391210,0ptp4l0-21swapper/720:51:487
111391210,0ptp4l0-21swapper/623:26:246
111391210,0ptp4l0-21swapper/622:22:266
111391210,0ptp4l0-21swapper/621:34:456
111391210,0ptp4l0-21swapper/523:56:275
111391210,0ptp4l0-21swapper/523:56:265
111391210,0ptp4l0-21swapper/523:35:155
111391210,0ptp4l0-21swapper/523:31:085
111391210,0ptp4l0-21swapper/523:15:195
111391210,0ptp4l0-21swapper/523:01:185
111391210,0ptp4l0-21swapper/522:43:465
111391210,0ptp4l0-21swapper/521:30:415
111391210,0ptp4l0-21swapper/521:21:025
111391210,0ptp4l0-21swapper/521:12:195
111391210,0ptp4l0-21swapper/520:30:485
111391210,0ptp4l0-21swapper/520:20:175
111391210,0ptp4l0-21swapper/500:16:135
111391210,0ptp4l0-21swapper/420:55:134
111391210,0ptp4l0-21swapper/419:46:154
111391210,0ptp4l0-21swapper/419:22:244
111391210,0ptp4l0-21swapper/323:49:003
111391210,0ptp4l0-21swapper/322:52:353
111391210,0ptp4l0-21swapper/222:22:222
111391210,0ptp4l0-21swapper/221:58:222
111391210,0ptp4l0-21swapper/123:35:201
111391210,0ptp4l0-21swapper/123:26:041
111391210,0ptp4l0-21swapper/122:56:451
111391210,0ptp4l0-21swapper/122:52:151
111391210,0ptp4l0-21swapper/122:44:241
111391210,0ptp4l0-21swapper/122:37:261
111391210,0ptp4l0-21swapper/122:15:121
111391210,0ptp4l0-21swapper/122:07:281
111391210,0ptp4l0-21swapper/122:00:401
111391210,0ptp4l0-21swapper/121:53:491
111391210,0ptp4l0-21swapper/121:30:451
111391210,0ptp4l0-21swapper/120:40:001
111391210,0ptp4l0-21swapper/119:45:001
111391210,0ptp4l0-21swapper/100:10:061
111391200,0ptp4l0-21swapper/723:32:477
111391200,0ptp4l0-21swapper/722:52:377
111391200,0ptp4l0-21swapper/623:48:326
111391200,0ptp4l0-21swapper/623:41:186
111391200,0ptp4l0-21swapper/621:52:306
111391200,0ptp4l0-21swapper/621:11:416
111391200,0ptp4l0-21swapper/520:48:165
111391200,0ptp4l0-21swapper/519:55:475
111391200,0ptp4l0-21swapper/419:56:544
111391200,0ptp4l0-21swapper/419:15:154
111391200,0ptp4l0-21swapper/320:51:453
111391200,0ptp4l0-21swapper/222:44:292
111391200,0ptp4l0-21swapper/222:15:592
111391200,0ptp4l0-21swapper/121:01:161
111391200,0ptp4l0-21swapper/120:37:031
111391200,0ptp4l0-21swapper/120:12:471
111391200,0ptp4l0-21swapper/019:29:010
111391200,0ptp4l0-21swapper/019:24:470
111391200,0ptp4l0-21swapper/019:12:360
111391190,0ptp4l0-21swapper/600:16:566
111391190,0ptp4l0-21swapper/522:54:145
111391190,0ptp4l0-21swapper/520:17:005
111391190,0ptp4l0-21swapper/323:32:463
111391190,0ptp4l0-21swapper/223:15:072
111391190,0ptp4l0-21swapper/223:14:192
111391190,0ptp4l0-21swapper/221:52:272
111391190,0ptp4l0-21swapper/219:53:162
111391190,0ptp4l0-21swapper/119:51:031
111391190,0ptp4l0-21swapper/119:39:511
111391180,0ptp4l0-21swapper/600:24:436
111391180,0ptp4l0-21swapper/419:12:544
111391180,0ptp4l0-21swapper/322:35:113
111391180,0ptp4l0-21swapper/222:51:032
111391180,0ptp4l0-21swapper/221:34:432
111391180,0ptp4l0-21swapper/220:46:242
111391180,0ptp4l0-21swapper/120:25:221
111391180,0ptp4l0-21swapper/120:22:441
111391160,1ptp4l25494-21ssh23:15:066
111391160,0ptp4l0-21swapper/721:09:287
111391160,0ptp4l0-21swapper/522:15:125
111391160,0ptp4l0-21swapper/520:39:565
111391160,0ptp4l0-21swapper/520:12:515
111391160,0ptp4l0-21swapper/519:50:085
111391160,0ptp4l0-21swapper/419:28:434
111391160,0ptp4l0-21swapper/223:26:242
111391160,0ptp4l0-21swapper/200:16:562
111391160,0ptp4l0-21swapper/120:30:491
111391160,0ptp4l0-21swapper/119:33:401
136442150,0sleep60-21swapper/620:10:176
111391150,0ptp4l0-21swapper/720:11:427
111391150,0ptp4l0-21swapper/621:58:216
111391150,0ptp4l0-21swapper/620:57:426
111391150,0ptp4l0-21swapper/620:21:106
111391150,0ptp4l0-21swapper/619:53:106
111391150,0ptp4l0-21swapper/619:37:166
111391150,0ptp4l0-21swapper/619:19:126
111391150,0ptp4l0-21swapper/619:13:406
111391150,0ptp4l0-21swapper/521:05:395
111391150,0ptp4l0-21swapper/520:40:035
111391150,0ptp4l0-21swapper/519:10:455
111391150,0ptp4l0-21swapper/320:12:103
111391150,0ptp4l0-21swapper/320:02:053
111391150,0ptp4l0-21swapper/221:11:392
111391150,0ptp4l0-21swapper/220:58:552
111391150,0ptp4l0-21swapper/220:26:582
111391150,0ptp4l0-21swapper/219:37:142
111391150,0ptp4l0-21swapper/120:47:391
111391150,0ptp4l0-21swapper/120:16:581
111391150,0ptp4l0-21swapper/119:10:421
111391140,0ptp4l0-21swapper/720:02:017
111391140,0ptp4l0-21swapper/620:26:576
111391140,0ptp4l0-21swapper/520:25:245
111391140,0ptp4l0-21swapper/519:33:415
111391140,0ptp4l0-21swapper/321:09:253
111391140,0ptp4l0-21swapper/220:40:252
111391140,0ptp4l0-21swapper/220:21:092
111391140,0ptp4l0-21swapper/219:19:112
111391140,0ptp4l0-21swapper/219:13:392
215772110,1sleep773-21ksoftirqd/722:14:107
1711299119,1cyclictest0-21swapper/623:58:486
1711299119,1cyclictest0-21swapper/623:58:476
1709199110,10cyclictest7830-21diskmemload22:10:393
1709199110,10cyclictest0-21swapper/323:13:303
1711999100,9cyclictest0-21swapper/723:51:487
1711999100,9cyclictest0-21swapper/723:51:487
1711999100,9cyclictest0-21swapper/723:28:427
1711999100,0cyclictest0-21swapper/723:13:557
1711999100,0cyclictest0-21swapper/723:00:057
1711999100,0cyclictest0-21swapper/722:20:217
1711999100,0cyclictest0-21swapper/719:40:217
1711299109,0cyclictest0-21swapper/622:30:296
1711299100,9cyclictest0-21swapper/623:05:506
1709199109,0cyclictest0-21swapper/300:24:233
1709199109,0cyclictest0-21swapper/300:04:253
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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