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2026-05-21 - 08:13

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 May 21, 2026 00:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
226092620,1sleep09-21ksoftirqd/000:26:550
281742590,0sleep4471rcuc/423:05:124
1881915633,7phc2sys0-21swapper/119:07:491
1536725645,6sleep70-21swapper/719:06:387
111391530,6ptp4l0-21swapper/019:05:080
1527125140,7sleep20-21swapper/219:05:212
1550224938,6sleep40-21swapper/419:08:184
1552224838,6sleep60-21swapper/619:08:376
1550324736,7sleep50-21swapper/519:08:205
1535424635,7sleep30-21swapper/319:06:263
111391360,8ptp4l0-21swapper/522:30:005
111391360,4ptp4l0-21swapper/319:10:153
111391330,0ptp4l0-21swapper/422:32:354
111391330,0ptp4l0-21swapper/421:10:214
111391320,0ptp4l0-21swapper/423:03:354
111391320,0ptp4l0-21swapper/000:20:430
111391310,0ptp4l0-21swapper/421:49:454
111391310,0ptp4l0-21swapper/021:50:140
111391300,1ptp4l5708-21taskset23:18:581
111391300,0ptp4l0-21swapper/721:30:127
111391300,0ptp4l0-21swapper/523:12:415
111391300,0ptp4l0-21swapper/422:54:054
111391300,0ptp4l0-21swapper/422:36:494
111391300,0ptp4l0-21swapper/422:02:474
111391300,0ptp4l0-21swapper/421:41:014
111391300,0ptp4l0-21swapper/420:50:134
111391300,0ptp4l0-21swapper/122:30:201
111391300,0ptp4l0-21swapper/023:45:160
111391300,0ptp4l0-21swapper/023:03:140
111391300,0ptp4l0-21swapper/022:51:380
111391300,0ptp4l0-21swapper/022:34:100
111391300,0ptp4l0-21swapper/022:26:430
111391300,0ptp4l0-21swapper/021:20:490
111391300,0ptp4l0-21swapper/021:05:190
111391300,0ptp4l0-21swapper/000:30:120
111391290,0ptp4l0-21swapper/423:45:584
111391290,0ptp4l0-21swapper/423:40:134
111391290,0ptp4l0-21swapper/423:22:024
111391290,0ptp4l0-21swapper/422:43:074
111391290,0ptp4l0-21swapper/421:55:114
111391290,0ptp4l0-21swapper/421:33:444
111391290,0ptp4l0-21swapper/400:38:054
111391290,0ptp4l0-21swapper/400:33:514
111391290,0ptp4l0-21swapper/400:15:154
111391290,0ptp4l0-21swapper/121:33:021
111391290,0ptp4l0-21swapper/023:40:220
111391290,0ptp4l0-21swapper/022:23:170
111391290,0ptp4l0-21swapper/022:17:430
111391290,0ptp4l0-21swapper/022:17:430
111391290,0ptp4l0-21swapper/021:57:060
111391290,0ptp4l0-21swapper/021:46:300
111391290,0ptp4l0-21swapper/021:32:260
111391280,3ptp4l0-21swapper/421:15:454
111391280,0ptp4l0-21swapper/523:38:325
111391280,0ptp4l0-21swapper/522:01:135
111391280,0ptp4l0-21swapper/521:37:125
111391280,0ptp4l0-21swapper/422:59:194
111391280,0ptp4l0-21swapper/421:36:404
111391280,0ptp4l0-21swapper/419:36:104
111391280,0ptp4l0-21swapper/323:05:193
111391280,0ptp4l0-21swapper/322:40:073
111391280,0ptp4l0-21swapper/123:47:221
111391280,0ptp4l0-21swapper/023:10:230
111391280,0ptp4l0-21swapper/022:48:290
111391280,0ptp4l0-21swapper/022:08:390
111391280,0ptp4l0-21swapper/022:02:400
111391280,0ptp4l0-21swapper/021:41:090
111391280,0ptp4l0-21swapper/000:19:140
111391270,3ptp4l0-21swapper/023:08:090
111391270,0ptp4l0-21swapper/523:50:235
111391270,0ptp4l0-21swapper/521:27:305
111391270,0ptp4l0-21swapper/500:32:235
111391270,0ptp4l0-21swapper/500:17:005
111391270,0ptp4l0-21swapper/423:58:484
111391270,0ptp4l0-21swapper/423:11:224
111391270,0ptp4l0-21swapper/421:50:044
111391270,0ptp4l0-21swapper/421:28:194
111391270,0ptp4l0-21swapper/122:59:291
111391270,0ptp4l0-21swapper/119:45:111
111391270,0ptp4l0-21swapper/021:29:150
111391270,0ptp4l0-21swapper/021:17:140
111391270,0ptp4l0-21swapper/021:13:530
111391270,0ptp4l0-21swapper/000:05:540
111391260,3ptp4l0-21swapper/420:59:104
111391260,1ptp4l0-21swapper/522:30:105
111391260,0ptp4l0-21swapper/721:29:257
111391260,0ptp4l0-21swapper/522:46:155
111391260,0ptp4l0-21swapper/522:20:355
111391260,0ptp4l0-21swapper/520:20:135
111391260,0ptp4l0-21swapper/423:50:174
111391260,0ptp4l0-21swapper/422:45:124
111391260,0ptp4l0-21swapper/420:30:574
111391260,0ptp4l0-21swapper/419:20:144
111391260,0ptp4l0-21swapper/419:15:104
111391260,0ptp4l0-21swapper/400:22:434
111391260,0ptp4l0-21swapper/400:08:394
111391260,0ptp4l0-21swapper/321:30:243
111391260,0ptp4l0-21swapper/122:25:021
111391260,0ptp4l0-21swapper/121:59:171
111391260,0ptp4l0-21swapper/121:40:041
111391260,0ptp4l0-21swapper/100:02:361
111391260,0ptp4l0-21swapper/023:29:290
111391260,0ptp4l0-21swapper/020:50:180
111391250,1ptp4l737-21irqstats23:55:150
111391250,1ptp4l6113-21latency_hist23:19:594
111391250,1ptp4l5270-21/usr/sbin/munin19:55:134
111391250,0ptp4l0-21swapper/722:40:197
111391250,0ptp4l0-21swapper/719:10:087
111391250,0ptp4l0-21swapper/523:16:485
111391250,0ptp4l0-21swapper/523:02:255
111391250,0ptp4l0-21swapper/520:55:195
111391250,0ptp4l0-21swapper/422:20:544
111391250,0ptp4l0-21swapper/422:15:194
111391250,0ptp4l0-21swapper/422:15:194
111391250,0ptp4l0-21swapper/422:10:154
111391250,0ptp4l0-21swapper/420:15:194
111391250,0ptp4l0-21swapper/420:05:234
111391250,0ptp4l0-21swapper/400:10:194
111391250,0ptp4l0-21swapper/400:00:174
111391250,0ptp4l0-21swapper/123:23:121
111391250,0ptp4l0-21swapper/123:04:481
111391250,0ptp4l0-21swapper/023:23:380
111391250,0ptp4l0-21swapper/022:39:420
111391250,0ptp4l0-21swapper/020:30:160
111391250,0ptp4l0-21swapper/020:05:000
111391250,0ptp4l0-21swapper/019:55:130
111391240,5ptp4l0-21swapper/419:28:254
111391240,1ptp4l9848-21df_inode20:05:140
111391240,1ptp4l4197-21if_virbr000:00:160
111391240,1ptp4l29825-21munin-run20:50:000
111391240,1ptp4l21706-21chrt21:29:463
111391240,0ptp4l0-21swapper/621:38:106
111391240,0ptp4l0-21swapper/523:23:515
111391240,0ptp4l0-21swapper/519:45:155
111391240,0ptp4l0-21swapper/423:31:184
111391240,0ptp4l0-21swapper/423:29:484
111391240,0ptp4l0-21swapper/220:45:142
111391240,0ptp4l0-21swapper/219:50:172
111391240,0ptp4l0-21swapper/123:51:171
111391240,0ptp4l0-21swapper/100:35:441
111391240,0ptp4l0-21swapper/100:21:321
111391240,0ptp4l0-21swapper/023:50:200
111391240,0ptp4l0-21swapper/023:35:180
111391240,0ptp4l0-21swapper/023:32:410
111391240,0ptp4l0-21swapper/022:55:220
111391240,0ptp4l0-21swapper/021:00:000
111391240,0ptp4l0-21swapper/019:50:090
111391240,0ptp4l0-21swapper/019:23:040
111391240,0ptp4l0-21swapper/000:39:480
111391240,0ptp4l0-21swapper/000:11:140
111391230,1ptp4l11794-21kworker/5:122:05:185
111391230,0ptp4l23253-21ssh23:41:241
111391230,0ptp4l0-21swapper/723:05:117
111391230,0ptp4l0-21swapper/620:45:126
111391230,0ptp4l0-21swapper/600:25:176
111391230,0ptp4l0-21swapper/523:48:515
111391230,0ptp4l0-21swapper/522:53:585
111391230,0ptp4l0-21swapper/522:41:075
111391230,0ptp4l0-21swapper/522:35:475
111391230,0ptp4l0-21swapper/520:55:005
111391230,0ptp4l0-21swapper/520:35:155
111391230,0ptp4l0-21swapper/520:10:155
111391230,0ptp4l0-21swapper/519:35:165
111391230,0ptp4l0-21swapper/519:35:005
111391230,0ptp4l0-21swapper/500:35:125
111391230,0ptp4l0-21swapper/500:21:225
111391230,0ptp4l0-21swapper/500:02:095
111391230,0ptp4l0-21swapper/423:39:254
111391230,0ptp4l0-21swapper/422:27:094
111391230,0ptp4l0-21swapper/422:09:014
111391230,0ptp4l0-21swapper/421:20:184
111391230,0ptp4l0-21swapper/421:05:004
111391230,0ptp4l0-21swapper/421:00:164
111391230,0ptp4l0-21swapper/420:45:004
111391230,0ptp4l0-21swapper/420:00:164
111391230,0ptp4l0-21swapper/419:55:004
111391230,0ptp4l0-21swapper/400:25:144
111391230,0ptp4l0-21swapper/322:40:003
111391230,0ptp4l0-21swapper/320:25:123
111391230,0ptp4l0-21swapper/223:45:162
111391230,0ptp4l0-21swapper/200:25:152
111391230,0ptp4l0-21swapper/123:36:501
111391230,0ptp4l0-21swapper/122:46:031
111391230,0ptp4l0-21swapper/122:41:101
111391230,0ptp4l0-21swapper/122:13:031
111391230,0ptp4l0-21swapper/122:05:171
111391230,0ptp4l0-21swapper/122:01:361
111391230,0ptp4l0-21swapper/121:36:201
111391230,0ptp4l0-21swapper/121:25:121
111391230,0ptp4l0-21swapper/121:10:241
111391230,0ptp4l0-21swapper/120:55:111
111391230,0ptp4l0-21swapper/120:40:241
111391230,0ptp4l0-21swapper/120:35:131
111391230,0ptp4l0-21swapper/120:16:571
111391230,0ptp4l0-21swapper/120:10:111
111391230,0ptp4l0-21swapper/119:45:011
111391230,0ptp4l0-21swapper/119:35:131
111391230,0ptp4l0-21swapper/100:25:341
111391230,0ptp4l0-21swapper/100:18:301
111391230,0ptp4l0-21swapper/023:15:130
111391230,0ptp4l0-21swapper/022:42:550
111391230,0ptp4l0-21swapper/022:10:190
111391230,0ptp4l0-21swapper/021:35:180
111391230,0ptp4l0-21swapper/020:30:010
111391230,0ptp4l0-21swapper/020:15:120
111391230,0ptp4l0-21swapper/019:40:140
111391230,0ptp4l0-21swapper/019:40:140
111391230,0ptp4l0-21swapper/019:15:110
111391220,1ptp4l1592099cyclictest23:29:185
111391220,0ptp4l0-21swapper/723:04:597
111391220,0ptp4l0-21swapper/721:42:037
111391220,0ptp4l0-21swapper/720:25:107
111391220,0ptp4l0-21swapper/720:00:207
111391220,0ptp4l0-21swapper/623:45:196
111391220,0ptp4l0-21swapper/623:32:236
111391220,0ptp4l0-21swapper/623:29:506
111391220,0ptp4l0-21swapper/623:17:546
111391220,0ptp4l0-21swapper/622:44:016
111391220,0ptp4l0-21swapper/622:38:246
111391220,0ptp4l0-21swapper/523:57:455
111391220,0ptp4l0-21swapper/523:41:315
111391220,0ptp4l0-21swapper/523:09:015
111391220,0ptp4l0-21swapper/522:58:575
111391220,0ptp4l0-21swapper/522:12:455
111391220,0ptp4l0-21swapper/521:59:225
111391220,0ptp4l0-21swapper/521:40:125
111391220,0ptp4l0-21swapper/521:17:335
111391220,0ptp4l0-21swapper/521:13:205
111391220,0ptp4l0-21swapper/520:40:125
111391220,0ptp4l0-21swapper/520:28:545
111391220,0ptp4l0-21swapper/500:28:295
111391220,0ptp4l0-21swapper/419:40:194
111391220,0ptp4l0-21swapper/419:40:194
111391220,0ptp4l0-21swapper/321:41:573
111391220,0ptp4l0-21swapper/320:00:213
111391220,0ptp4l0-21swapper/223:53:542
111391220,0ptp4l0-21swapper/223:35:362
111391220,0ptp4l0-21swapper/223:34:232
111391220,0ptp4l0-21swapper/223:17:562
111391220,0ptp4l0-21swapper/222:26:062
111391220,0ptp4l0-21swapper/221:58:102
111391220,0ptp4l0-21swapper/221:35:212
111391220,0ptp4l0-21swapper/221:13:542
111391220,0ptp4l0-21swapper/123:57:311
111391220,0ptp4l0-21swapper/123:27:301
111391220,0ptp4l0-21swapper/123:11:311
111391220,0ptp4l0-21swapper/123:09:011
111391220,0ptp4l0-21swapper/122:54:261
111391220,0ptp4l0-21swapper/122:35:441
111391220,0ptp4l0-21swapper/122:20:051
111391220,0ptp4l0-21swapper/121:16:551
111391220,0ptp4l0-21swapper/120:20:191
111391220,0ptp4l0-21swapper/119:40:121
111391220,0ptp4l0-21swapper/119:30:111
111391220,0ptp4l0-21swapper/119:29:071
111391220,0ptp4l0-21swapper/100:12:141
111391220,0ptp4l0-21swapper/021:00:200
111391220,0ptp4l0-21swapper/019:31:530
111391220,0ptp4l0-21swapper/019:25:150
111391210,0ptp4l0-21swapper/722:39:507
111391210,0ptp4l0-21swapper/720:24:277
111391210,0ptp4l0-21swapper/622:26:086
111391210,0ptp4l0-21swapper/621:23:106
111391210,0ptp4l0-21swapper/621:18:056
111391210,0ptp4l0-21swapper/621:13:576
111391210,0ptp4l0-21swapper/522:18:565
111391210,0ptp4l0-21swapper/522:18:555
111391210,0ptp4l0-21swapper/521:46:225
111391210,0ptp4l0-21swapper/521:33:045
111391210,0ptp4l0-21swapper/519:58:265
111391210,0ptp4l0-21swapper/519:29:415
111391210,0ptp4l0-21swapper/519:20:225
111391210,0ptp4l0-21swapper/500:10:515
111391210,0ptp4l0-21swapper/420:36:444
111391210,0ptp4l0-21swapper/420:28:054
111391210,0ptp4l0-21swapper/420:23:554
111391210,0ptp4l0-21swapper/222:38:152
111391210,0ptp4l0-21swapper/221:23:002
111391210,0ptp4l0-21swapper/122:18:511
111391210,0ptp4l0-21swapper/122:18:511
111391210,0ptp4l0-21swapper/121:50:361
111391210,0ptp4l0-21swapper/120:45:431
111391210,0ptp4l0-21swapper/120:28:361
111391210,0ptp4l0-21swapper/119:19:101
111391210,0ptp4l0-21swapper/119:13:031
111391210,0ptp4l0-21swapper/100:32:161
111391210,0ptp4l0-21swapper/100:06:461
111391210,0ptp4l0-21swapper/019:48:100
111391200,0ptp4l0-21swapper/700:25:097
111391200,0ptp4l0-21swapper/621:28:496
111391200,0ptp4l0-21swapper/521:50:375
111391200,0ptp4l0-21swapper/520:19:125
111391200,0ptp4l0-21swapper/419:30:194
111391200,0ptp4l0-21swapper/300:25:063
111391200,0ptp4l0-21swapper/223:56:262
111391200,0ptp4l0-21swapper/223:27:492
111391200,0ptp4l0-21swapper/222:48:182
111391200,0ptp4l0-21swapper/220:09:052
111391200,0ptp4l0-21swapper/120:51:101
111391200,0ptp4l0-21swapper/120:32:051
111391200,0ptp4l0-21swapper/020:20:050
111391200,0ptp4l0-21swapper/020:12:140
111391190,2ptp4l0-21swapper/519:19:015
111391190,0ptp4l0-21swapper/623:35:336
111391190,0ptp4l0-21swapper/621:53:016
111391190,0ptp4l0-21swapper/500:09:485
111391190,0ptp4l0-21swapper/420:49:554
111391190,0ptp4l0-21swapper/420:13:424
111391190,0ptp4l0-21swapper/323:04:513
111391190,0ptp4l0-21swapper/222:33:562
111391180,1ptp4l0-21swapper/019:36:450
111391180,0ptp4l0-21swapper/623:53:556
111391180,0ptp4l0-21swapper/419:14:464
111391180,0ptp4l0-21swapper/320:24:453
111391180,0ptp4l0-21swapper/222:43:592
111391180,0ptp4l0-21swapper/221:18:042
111391180,0ptp4l0-21swapper/123:30:051
111391180,0ptp4l0-21swapper/121:46:211
111391180,0ptp4l0-21swapper/020:36:460
228962170,0sleep70-21swapper/722:15:007
111391170,0ptp4l0-21swapper/623:56:256
111391170,0ptp4l0-21swapper/622:48:176
111391170,0ptp4l0-21swapper/521:24:445
111391170,0ptp4l0-21swapper/419:46:024
111391170,0ptp4l0-21swapper/121:24:441
111391170,0ptp4l0-21swapper/119:59:101
111391170,0ptp4l0-21swapper/020:43:560
111391160,0ptp4l0-21swapper/721:23:257
111391160,0ptp4l0-21swapper/622:33:566
111391160,0ptp4l0-21swapper/620:03:326
111391160,0ptp4l0-21swapper/520:08:455
111391160,0ptp4l0-21swapper/519:50:585
111391160,0ptp4l0-21swapper/321:23:243
111391160,0ptp4l0-21swapper/221:52:592
111391160,0ptp4l0-21swapper/221:28:502
111391160,0ptp4l0-21swapper/219:41:262
111391160,0ptp4l0-21swapper/219:41:262
111391160,0ptp4l0-21swapper/120:09:541
111391160,0ptp4l0-21swapper/120:03:031
111391160,0ptp4l0-21swapper/119:20:221
111391150,0ptp4l0-21swapper/719:51:207
111391150,0ptp4l0-21swapper/621:05:486
111391150,0ptp4l0-21swapper/620:12:406
111391150,0ptp4l0-21swapper/619:46:596
111391150,0ptp4l0-21swapper/619:41:266
111391150,0ptp4l0-21swapper/619:41:266
111391150,0ptp4l0-21swapper/619:38:066
111391150,0ptp4l0-21swapper/521:05:565
111391150,0ptp4l0-21swapper/521:02:315
111391150,0ptp4l0-21swapper/520:45:365
111391150,0ptp4l0-21swapper/520:31:485
111391150,0ptp4l0-21swapper/519:40:075
111391150,0ptp4l0-21swapper/519:40:075
111391150,0ptp4l0-21swapper/519:13:045
111391150,0ptp4l0-21swapper/319:51:243
111391150,0ptp4l0-21swapper/221:05:482
111391150,0ptp4l0-21swapper/220:16:112
111391150,0ptp4l0-21swapper/220:12:372
111391150,0ptp4l0-21swapper/219:38:052
111391150,0ptp4l0-21swapper/121:05:571
111391150,0ptp4l0-21swapper/121:02:301
111391150,0ptp4l0-21swapper/119:50:431
111391150,0ptp4l0-21swapper/019:11:500
111391140,0ptp4l0-21swapper/621:58:116
111391140,0ptp4l0-21swapper/620:56:216
111391140,0ptp4l0-21swapper/620:21:116
111391140,0ptp4l0-21swapper/620:18:246
111391140,0ptp4l0-21swapper/620:09:046
111391140,0ptp4l0-21swapper/619:59:426
111391140,0ptp4l0-21swapper/619:30:476
111391140,0ptp4l0-21swapper/320:07:433
111391140,0ptp4l0-21swapper/220:56:202
111391140,0ptp4l0-21swapper/220:03:292
111391140,0ptp4l0-21swapper/219:59:412
111391140,0ptp4l0-21swapper/219:46:532
111391140,0ptp4l0-21swapper/219:30:462
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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