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2026-09-11 - 14:11

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 Sep 11, 2026 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
368926736,16sleep40-21swapper/419:07:254
111391670,30ptp4l0-21swapper/019:05:290
302712630,0sleep70-21swapper/700:20:147
292892610,0sleep60-21swapper/600:19:246
111391610,3ptp4l0-21swapper/519:05:115
111391610,30ptp4l0-21swapper/219:05:162
111391610,30ptp4l0-21swapper/119:09:051
355325444,6sleep70-21swapper/719:05:437
247525039,6sleep60-21swapper/619:05:176
362624736,7sleep30-21swapper/319:06:353
111391340,1ptp4l5470-21fw_forwarded_lo22:10:120
111391320,0ptp4l0-21swapper/022:03:550
111391320,0ptp4l0-21swapper/022:03:550
111391320,0ptp4l0-21swapper/021:36:430
111391320,0ptp4l0-21swapper/021:21:430
111391310,0ptp4l0-21swapper/421:16:574
111391310,0ptp4l0-21swapper/022:32:530
111391300,4ptp4l0-21swapper/023:50:370
111391300,0ptp4l27265-21diskmemload21:33:385
111391300,0ptp4l0-21swapper/521:12:185
111391300,0ptp4l0-21swapper/419:20:124
111391300,0ptp4l0-21swapper/419:20:114
111391300,0ptp4l0-21swapper/400:00:164
111391300,0ptp4l0-21swapper/300:13:303
111391300,0ptp4l0-21swapper/021:47:480
111391300,0ptp4l0-21swapper/020:55:190
111391290,2ptp4l0-21swapper/000:05:210
111391290,0ptp4l0-21swapper/422:57:084
111391290,0ptp4l0-21swapper/421:37:484
111391290,0ptp4l0-21swapper/023:36:270
111391290,0ptp4l0-21swapper/022:51:070
111391290,0ptp4l0-21swapper/022:29:340
111391290,0ptp4l0-21swapper/022:19:260
111391290,0ptp4l0-21swapper/000:23:370
111391280,0ptp4l0-21swapper/423:55:454
111391280,0ptp4l0-21swapper/423:33:104
111391280,0ptp4l0-21swapper/423:12:424
111391280,0ptp4l0-21swapper/421:10:234
111391280,0ptp4l0-21swapper/400:35:204
111391280,0ptp4l0-21swapper/400:35:194
111391280,0ptp4l0-21swapper/023:57:380
111391280,0ptp4l0-21swapper/023:45:190
111391280,0ptp4l0-21swapper/023:29:120
111391280,0ptp4l0-21swapper/022:39:570
111391280,0ptp4l0-21swapper/022:21:040
111391280,0ptp4l0-21swapper/022:05:250
111391280,0ptp4l0-21swapper/021:14:000
111391280,0ptp4l0-21swapper/021:00:110
111391280,0ptp4l0-21swapper/000:35:110
111391280,0ptp4l0-21swapper/000:35:110
111391270,3ptp4l0-21swapper/021:19:590
111391270,0ptp4l0-21swapper/422:46:224
111391270,0ptp4l0-21swapper/422:28:554
111391270,0ptp4l0-21swapper/023:11:080
111391270,0ptp4l0-21swapper/021:59:320
111391260,1ptp4l4770-21systemd-cgroups22:10:005
111391260,0ptp4l0-21swapper/422:35:014
111391260,0ptp4l0-21swapper/422:30:174
111391260,0ptp4l0-21swapper/421:55:174
111391260,0ptp4l0-21swapper/421:30:434
111391260,0ptp4l0-21swapper/421:28:134
111391260,0ptp4l0-21swapper/023:24:150
111391260,0ptp4l0-21swapper/022:45:000
111391260,0ptp4l0-21swapper/021:44:100
111391260,0ptp4l0-21swapper/021:28:250
111391260,0ptp4l0-21swapper/020:20:140
111391260,0ptp4l0-21swapper/000:17:220
111391250,2ptp4l0-21swapper/721:25:537
111391250,1ptp4l31218-21/usr/sbin/munin20:05:194
111391250,1ptp4l300-21/usr/sbin/munin20:10:130
111391250,1ptp4l28852-21memory23:30:193
111391250,1ptp4l16466-21needreboot22:25:171
111391250,0ptp4l0-21swapper/522:55:075
111391250,0ptp4l0-21swapper/520:13:225
111391250,0ptp4l0-21swapper/423:42:054
111391250,0ptp4l0-21swapper/423:05:134
111391250,0ptp4l0-21swapper/423:01:544
111391250,0ptp4l0-21swapper/422:17:114
111391250,0ptp4l0-21swapper/422:00:204
111391250,0ptp4l0-21swapper/422:00:194
111391250,0ptp4l0-21swapper/420:30:184
111391250,0ptp4l0-21swapper/419:30:184
111391250,0ptp4l0-21swapper/400:20:194
111391250,0ptp4l0-21swapper/400:16:554
111391250,0ptp4l0-21swapper/400:05:204
111391250,0ptp4l0-21swapper/321:45:203
111391250,0ptp4l0-21swapper/220:25:192
111391250,0ptp4l0-21swapper/200:01:232
111391250,0ptp4l0-21swapper/100:18:451
111391250,0ptp4l0-21swapper/023:42:500
111391250,0ptp4l0-21swapper/023:09:430
111391250,0ptp4l0-21swapper/021:51:030
111391250,0ptp4l0-21swapper/021:34:580
111391250,0ptp4l0-21swapper/020:50:190
111391250,0ptp4l0-21swapper/020:25:120
111391250,0ptp4l0-21swapper/000:30:160
111391250,0ptp4l0-21swapper/000:03:560
111391240,1ptp4l5939-21find20:20:184
111391240,1ptp4l26508-21sh23:26:254
111391240,1ptp4l26363-21memory19:55:144
111391240,1ptp4l25-21ksoftirqd/121:45:111
111391240,1ptp4l21852-21sensors20:55:184
111391240,1ptp4l18077-21cat23:15:110
111391240,1ptp4l12349-21irqrtprio19:25:140
111391240,1ptp4l12307-21ssh22:20:124
111391240,0ptp4l0-21swapper/523:35:215
111391240,0ptp4l0-21swapper/521:06:455
111391240,0ptp4l0-21swapper/519:50:195
111391240,0ptp4l0-21swapper/422:41:574
111391240,0ptp4l0-21swapper/422:10:244
111391240,0ptp4l0-21swapper/422:06:234
111391240,0ptp4l0-21swapper/421:48:224
111391240,0ptp4l0-21swapper/421:40:594
111391240,0ptp4l0-21swapper/400:25:194
111391240,0ptp4l0-21swapper/400:12:004
111391240,0ptp4l0-21swapper/319:28:353
111391240,0ptp4l0-21swapper/123:25:151
111391240,0ptp4l0-21swapper/122:40:571
111391240,0ptp4l0-21swapper/023:33:380
111391240,0ptp4l0-21swapper/020:46:460
111391240,0ptp4l0-21swapper/020:39:100
111391240,0ptp4l0-21swapper/019:57:130
111391240,0ptp4l0-21swapper/019:19:400
111391240,0ptp4l0-21swapper/019:11:440
4181992319,1cyclictest1619-21kworker/4:120:49:014
111391230,1ptp4l27265-21diskmemload21:27:401
111391230,1ptp4l24199-21latency21:50:164
111391230,0ptp4l0-21swapper/723:30:227
111391230,0ptp4l0-21swapper/623:30:186
111391230,0ptp4l0-21swapper/619:20:216
111391230,0ptp4l0-21swapper/619:20:206
111391230,0ptp4l0-21swapper/521:57:375
111391230,0ptp4l0-21swapper/521:45:125
111391230,0ptp4l0-21swapper/521:40:125
111391230,0ptp4l0-21swapper/521:35:145
111391230,0ptp4l0-21swapper/521:15:145
111391230,0ptp4l0-21swapper/520:40:115
111391230,0ptp4l0-21swapper/520:15:125
111391230,0ptp4l0-21swapper/519:15:155
111391230,0ptp4l0-21swapper/519:10:125
111391230,0ptp4l0-21swapper/500:35:595
111391230,0ptp4l0-21swapper/500:35:585
111391230,0ptp4l0-21swapper/500:25:145
111391230,0ptp4l0-21swapper/500:14:525
111391230,0ptp4l0-21swapper/423:50:144
111391230,0ptp4l0-21swapper/423:45:154
111391230,0ptp4l0-21swapper/423:21:174
111391230,0ptp4l0-21swapper/423:15:124
111391230,0ptp4l0-21swapper/422:50:254
111391230,0ptp4l0-21swapper/421:00:124
111391230,0ptp4l0-21swapper/420:51:414
111391230,0ptp4l0-21swapper/420:35:124
111391230,0ptp4l0-21swapper/420:25:134
111391230,0ptp4l0-21swapper/420:10:124
111391230,0ptp4l0-21swapper/420:00:114
111391230,0ptp4l0-21swapper/419:50:144
111391230,0ptp4l0-21swapper/419:40:204
111391230,0ptp4l0-21swapper/419:36:034
111391230,0ptp4l0-21swapper/323:00:123
111391230,0ptp4l0-21swapper/322:59:553
111391230,0ptp4l0-21swapper/123:35:201
111391230,0ptp4l0-21swapper/123:15:181
111391230,0ptp4l0-21swapper/122:55:151
111391230,0ptp4l0-21swapper/122:48:451
111391230,0ptp4l0-21swapper/122:08:461
111391230,0ptp4l0-21swapper/121:50:211
111391230,0ptp4l0-21swapper/121:35:041
111391230,0ptp4l0-21swapper/121:30:141
111391230,0ptp4l0-21swapper/121:15:121
111391230,0ptp4l0-21swapper/121:10:001
111391230,0ptp4l0-21swapper/121:05:161
111391230,0ptp4l0-21swapper/120:20:191
111391230,0ptp4l0-21swapper/120:15:151
111391230,0ptp4l0-21swapper/119:15:191
111391230,0ptp4l0-21swapper/100:35:571
111391230,0ptp4l0-21swapper/100:35:561
111391230,0ptp4l0-21swapper/100:25:131
111391230,0ptp4l0-21swapper/023:01:210
111391230,0ptp4l0-21swapper/022:57:360
111391230,0ptp4l0-21swapper/022:45:110
111391230,0ptp4l0-21swapper/021:05:200
111391230,0ptp4l0-21swapper/020:15:200
111391230,0ptp4l0-21swapper/020:05:160
111391230,0ptp4l0-21swapper/020:05:000
111391230,0ptp4l0-21swapper/019:30:110
111391230,0ptp4l0-21swapper/000:25:150
111391220,3ptp4l321ktimersoftd/223:32:162
111391220,1ptp4l10054-21sed19:20:150
111391220,1ptp4l10054-21sed19:20:140
111391220,0ptp4l0-21swapper/721:46:227
111391220,0ptp4l0-21swapper/700:13:207
111391220,0ptp4l0-21swapper/623:03:506
111391220,0ptp4l0-21swapper/600:09:426
111391220,0ptp4l0-21swapper/523:25:165
111391220,0ptp4l0-21swapper/522:50:165
111391220,0ptp4l0-21swapper/522:45:415
111391220,0ptp4l0-21swapper/522:42:335
111391220,0ptp4l0-21swapper/522:25:125
111391220,0ptp4l0-21swapper/521:50:255
111391220,0ptp4l0-21swapper/521:26:415
111391220,0ptp4l0-21swapper/521:21:455
111391220,0ptp4l0-21swapper/519:45:105
111391220,0ptp4l0-21swapper/500:31:285
111391220,0ptp4l0-21swapper/500:21:425
111391220,0ptp4l0-21swapper/500:15:015
111391220,0ptp4l0-21swapper/500:00:515
111391220,0ptp4l0-21swapper/423:35:424
111391220,0ptp4l0-21swapper/421:20:184
111391220,0ptp4l0-21swapper/421:05:214
111391220,0ptp4l0-21swapper/420:43:254
111391220,0ptp4l0-21swapper/419:45:154
111391220,0ptp4l0-21swapper/419:25:104
111391220,0ptp4l0-21swapper/419:18:494
111391220,0ptp4l0-21swapper/419:10:154
111391220,0ptp4l0-21swapper/400:30:114
111391220,0ptp4l0-21swapper/323:06:553
111391220,0ptp4l0-21swapper/322:49:083
111391220,0ptp4l0-21swapper/321:25:113
111391220,0ptp4l0-21swapper/223:12:142
111391220,0ptp4l0-21swapper/223:00:162
111391220,0ptp4l0-21swapper/219:20:182
111391220,0ptp4l0-21swapper/219:20:182
111391220,0ptp4l0-21swapper/200:28:232
111391220,0ptp4l0-21swapper/123:48:301
111391220,0ptp4l0-21swapper/123:31:021
111391220,0ptp4l0-21swapper/122:21:561
111391220,0ptp4l0-21swapper/122:12:181
111391220,0ptp4l0-21swapper/122:03:311
111391220,0ptp4l0-21swapper/122:03:301
111391220,0ptp4l0-21swapper/121:56:291
111391220,0ptp4l0-21swapper/121:40:191
111391220,0ptp4l0-21swapper/121:20:241
111391220,0ptp4l0-21swapper/120:40:171
111391220,0ptp4l0-21swapper/119:50:171
111391220,0ptp4l0-21swapper/119:45:001
111391220,0ptp4l0-21swapper/100:31:181
111391220,0ptp4l0-21swapper/100:21:441
111391220,0ptp4l0-21swapper/100:14:191
111391220,0ptp4l0-21swapper/020:30:130
111391220,0ptp4l0-21swapper/019:51:540
111391220,0ptp4l0-21swapper/019:40:100
111391220,0ptp4l0-21swapper/019:35:120
111391220,0ptp4l0-21swapper/000:10:130
111391210,1ptp4l6446-21munin-node22:52:551
111391210,0ptp4l33-21ksoftirqd/223:59:382
111391210,0ptp4l0-21swapper/723:06:217
111391210,0ptp4l0-21swapper/722:59:477
111391210,0ptp4l0-21swapper/721:44:457
111391210,0ptp4l0-21swapper/719:27:037
111391210,0ptp4l0-21swapper/621:49:496
111391210,0ptp4l0-21swapper/600:01:306
111391210,0ptp4l0-21swapper/523:48:065
111391210,0ptp4l0-21swapper/523:41:165
111391210,0ptp4l0-21swapper/523:33:275
111391210,0ptp4l0-21swapper/523:15:185
111391210,0ptp4l0-21swapper/523:13:325
111391210,0ptp4l0-21swapper/522:38:265
111391210,0ptp4l0-21swapper/522:30:405
111391210,0ptp4l0-21swapper/522:18:505
111391210,0ptp4l0-21swapper/522:12:215
111391210,0ptp4l0-21swapper/520:06:245
111391210,0ptp4l0-21swapper/519:42:535
111391210,0ptp4l0-21swapper/321:25:003
111391210,0ptp4l0-21swapper/319:23:533
111391210,0ptp4l0-21swapper/319:23:533
111391210,0ptp4l0-21swapper/300:28:443
111391210,0ptp4l0-21swapper/219:31:222
111391210,0ptp4l0-21swapper/123:58:301
111391210,0ptp4l0-21swapper/123:50:221
111391210,0ptp4l0-21swapper/123:41:101
111391210,0ptp4l0-21swapper/123:10:141
111391210,0ptp4l0-21swapper/122:38:261
111391210,0ptp4l0-21swapper/122:17:231
111391210,0ptp4l0-21swapper/100:02:251
111391200,0ptp4l0-21swapper/723:46:567
111391200,0ptp4l0-21swapper/722:49:077
111391200,0ptp4l0-21swapper/719:23:547
111391200,0ptp4l0-21swapper/719:23:537
111391200,0ptp4l0-21swapper/623:51:286
111391200,0ptp4l0-21swapper/622:18:386
111391200,0ptp4l0-21swapper/621:58:456
111391200,0ptp4l0-21swapper/523:22:325
111391200,0ptp4l0-21swapper/522:21:475
111391200,0ptp4l0-21swapper/522:03:305
111391200,0ptp4l0-21swapper/522:03:295
111391200,0ptp4l0-21swapper/520:01:565
111391200,0ptp4l0-21swapper/420:15:554
111391200,0ptp4l0-21swapper/321:44:503
111391200,0ptp4l0-21swapper/223:51:302
111391200,0ptp4l0-21swapper/222:47:392
111391200,0ptp4l0-21swapper/222:27:002
111391200,0ptp4l0-21swapper/220:08:302
111391200,0ptp4l0-21swapper/123:22:301
111391200,0ptp4l0-21swapper/120:28:241
111391200,0ptp4l0-21swapper/119:41:241
111391200,0ptp4l0-21swapper/100:06:281
111391200,0ptp4l0-21swapper/020:42:240
111391190,0ptp4l0-21swapper/723:00:067
111391190,0ptp4l0-21swapper/700:19:477
111391190,0ptp4l0-21swapper/623:12:186
111391190,0ptp4l0-21swapper/622:47:416
111391190,0ptp4l0-21swapper/621:16:136
111391190,0ptp4l0-21swapper/620:08:486
111391190,0ptp4l0-21swapper/619:31:266
111391190,0ptp4l0-21swapper/600:27:296
111391190,0ptp4l0-21swapper/523:59:125
111391190,0ptp4l0-21swapper/523:04:125
111391190,0ptp4l0-21swapper/519:37:255
111391190,0ptp4l0-21swapper/323:47:003
111391190,0ptp4l0-21swapper/222:19:172
111391190,0ptp4l0-21swapper/221:58:492
111391190,0ptp4l0-21swapper/200:33:272
111391190,0ptp4l0-21swapper/122:30:471
111391190,0ptp4l0-21swapper/121:02:241
111391190,0ptp4l0-21swapper/019:47:270
57682180,1sleep341-21ksoftirqd/300:30:193
111391180,0ptp4l0-21swapper/700:28:457
111391180,0ptp4l0-21swapper/623:59:466
111391180,0ptp4l0-21swapper/621:26:086
111391180,0ptp4l0-21swapper/600:33:286
111391180,0ptp4l0-21swapper/520:24:545
111391180,0ptp4l0-21swapper/500:06:295
111391180,0ptp4l0-21swapper/222:39:052
111391180,0ptp4l0-21swapper/123:04:051
111391180,0ptp4l0-21swapper/119:35:531
111391180,0ptp4l0-21swapper/119:14:371
111391170,2ptp4l0-21swapper/120:13:201
111391170,0ptp4l0-21swapper/519:26:255
111391170,0ptp4l0-21swapper/300:19:473
111391170,0ptp4l0-21swapper/223:09:362
111391170,0ptp4l0-21swapper/221:26:092
111391170,0ptp4l0-21swapper/200:14:002
111391170,0ptp4l0-21swapper/200:08:192
111391170,0ptp4l0-21swapper/119:26:261
111391160,0ptp4l0-21swapper/720:14:007
111391160,0ptp4l0-21swapper/620:58:406
111391160,0ptp4l0-21swapper/520:38:285
111391160,0ptp4l0-21swapper/221:49:482
111391160,0ptp4l0-21swapper/219:16:242
111391160,0ptp4l0-21swapper/123:05:021
111391160,0ptp4l0-21swapper/120:57:511
111391160,0ptp4l0-21swapper/120:46:571
111391160,0ptp4l0-21swapper/120:36:421
111391160,0ptp4l0-21swapper/120:09:301
111391160,0ptp4l0-21swapper/120:03:091
84082150,0sleep60-21swapper/619:15:186
111391150,0ptp4l0-21swapper/719:10:537
111391150,0ptp4l0-21swapper/623:09:386
111391150,0ptp4l0-21swapper/621:05:446
111391150,0ptp4l0-21swapper/621:00:356
111391150,0ptp4l0-21swapper/620:53:006
111391150,0ptp4l0-21swapper/620:38:146
111391150,0ptp4l0-21swapper/620:13:316
111391150,0ptp4l0-21swapper/620:00:416
111391150,0ptp4l0-21swapper/600:14:006
111391150,0ptp4l0-21swapper/523:05:025
111391150,0ptp4l0-21swapper/521:02:295
111391150,0ptp4l0-21swapper/520:57:225
111391150,0ptp4l0-21swapper/520:52:415
111391150,0ptp4l0-21swapper/520:47:145
111391150,0ptp4l0-21swapper/520:30:235
111391150,0ptp4l0-21swapper/520:26:265
111391150,0ptp4l0-21swapper/519:56:545
111391150,0ptp4l0-21swapper/519:32:135
111391150,0ptp4l0-21swapper/519:22:105
111391150,0ptp4l0-21swapper/519:22:105
111391150,0ptp4l0-21swapper/320:14:083
111391150,0ptp4l0-21swapper/319:11:013
111391150,0ptp4l0-21swapper/221:05:462
111391150,0ptp4l0-21swapper/221:03:402
111391150,0ptp4l0-21swapper/220:57:472
111391150,0ptp4l0-21swapper/220:53:012
111391150,0ptp4l0-21swapper/220:18:232
111391150,0ptp4l0-21swapper/219:35:032
111391150,0ptp4l0-21swapper/200:18:492
111391150,0ptp4l0-21swapper/120:51:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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