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2026-09-19 - 09:17

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 Sat Sep 19, 2026 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
145202710,0sleep20-21swapper/221:50:012
111391640,32ptp4l0-21swapper/019:06:050
286642620,1sleep341-21ksoftirqd/322:56:253
111391610,30ptp4l0-21swapper/119:07:231
111391600,5ptp4l0-21swapper/419:06:334
2588425848,6sleep70-21swapper/719:05:067
2770125633,8sleep50-21swapper/519:08:485
111391540,0ptp4l13502-21hddtemp_smartct00:10:121
2769324937,7sleep60-21swapper/619:08:416
2763424939,6sleep20-21swapper/219:07:572
2749824736,7sleep30-21swapper/319:06:143
111391330,1ptp4l11103-21processes00:05:184
111391330,0ptp4l0-21swapper/400:25:204
111391320,0ptp4l0-21swapper/020:45:150
111391310,0ptp4l0-21swapper/622:05:206
111391310,0ptp4l0-21swapper/423:46:434
111391310,0ptp4l0-21swapper/100:15:141
111391300,6ptp4l0-21swapper/522:11:235
111391300,0ptp4l0-21swapper/423:30:194
111391290,0ptp4l0-21swapper/522:50:195
111391290,0ptp4l0-21swapper/522:36:175
111391290,0ptp4l0-21swapper/521:20:125
111391290,0ptp4l0-21swapper/421:23:414
111391290,0ptp4l0-21swapper/421:11:394
111391290,0ptp4l0-21swapper/321:50:143
111391290,0ptp4l0-21swapper/020:10:160
111391290,0ptp4l0-21swapper/000:28:170
111391280,3ptp4l0-21swapper/421:19:034
111391280,3ptp4l0-21swapper/000:35:130
111391280,0ptp4l0-21swapper/523:42:155
111391280,0ptp4l0-21swapper/022:08:400
111391280,0ptp4l0-21swapper/000:12:500
111391270,0ptp4l0-21swapper/523:57:525
111391270,0ptp4l0-21swapper/520:50:165
111391270,0ptp4l0-21swapper/421:59:164
111391270,0ptp4l0-21swapper/421:35:464
111391270,0ptp4l0-21swapper/400:32:134
111391270,0ptp4l0-21swapper/123:27:371
111391270,0ptp4l0-21swapper/122:30:431
111391270,0ptp4l0-21swapper/023:43:530
111391270,0ptp4l0-21swapper/023:15:230
111391270,0ptp4l0-21swapper/021:45:340
111391270,0ptp4l0-21swapper/021:19:510
111391270,0ptp4l0-21swapper/021:11:570
111391270,0ptp4l0-21swapper/000:18:430
111391260,6ptp4l0-21swapper/400:00:074
111391260,1ptp4l5785-21cpuspeed_turbos19:30:104
111391260,0ptp4l0-21swapper/523:12:405
111391260,0ptp4l0-21swapper/523:03:495
111391260,0ptp4l0-21swapper/523:03:495
111391260,0ptp4l0-21swapper/522:09:255
111391260,0ptp4l0-21swapper/423:29:384
111391260,0ptp4l0-21swapper/422:38:094
111391260,0ptp4l0-21swapper/422:34:074
111391260,0ptp4l0-21swapper/422:15:184
111391260,0ptp4l0-21swapper/422:09:334
111391260,0ptp4l0-21swapper/400:12:294
111391260,0ptp4l0-21swapper/321:48:203
111391260,0ptp4l0-21swapper/123:33:351
111391260,0ptp4l0-21swapper/122:45:151
111391260,0ptp4l0-21swapper/119:55:111
111391260,0ptp4l0-21swapper/023:55:190
111391260,0ptp4l0-21swapper/023:49:300
111391260,0ptp4l0-21swapper/023:37:290
111391260,0ptp4l0-21swapper/022:37:260
111391260,0ptp4l0-21swapper/022:33:270
111391260,0ptp4l0-21swapper/021:42:400
111391260,0ptp4l0-21swapper/000:02:180
111391250,1ptp4l28803-21grep20:20:111
111391250,1ptp4l16013-21timerwakeupswit21:00:181
111391250,0ptp4l0-21swapper/522:29:115
111391250,0ptp4l0-21swapper/520:05:005
111391250,0ptp4l0-21swapper/500:10:125
111391250,0ptp4l0-21swapper/423:53:304
111391250,0ptp4l0-21swapper/421:42:204
111391250,0ptp4l0-21swapper/420:43:254
111391250,0ptp4l0-21swapper/420:20:194
111391250,0ptp4l0-21swapper/419:45:114
111391250,0ptp4l0-21swapper/322:25:363
111391250,0ptp4l0-21swapper/322:16:433
111391250,0ptp4l0-21swapper/121:45:121
111391250,0ptp4l0-21swapper/023:52:460
111391250,0ptp4l0-21swapper/023:07:040
111391250,0ptp4l0-21swapper/023:07:030
111391250,0ptp4l0-21swapper/022:58:200
111391250,0ptp4l0-21swapper/022:40:030
111391250,0ptp4l0-21swapper/022:19:550
111391250,0ptp4l0-21swapper/020:00:400
111391250,0ptp4l0-21swapper/019:30:100
111391240,1ptp4l49-21ksoftirqd/423:55:154
111391240,1ptp4l49-21ksoftirqd/419:40:184
111391240,1ptp4l31444-21fw_forwarded_lo19:15:124
111391240,1ptp4l30490-21irqrtprio21:25:144
111391240,1ptp4l13940-21cat00:10:162
111391240,1ptp4l13772-21irqrtprio00:10:156
111391240,1ptp4l12603-21fw_forwarded_lo20:55:130
111391240,1ptp4l11125-21latency_hist21:45:005
111391240,1ptp4l10309-21/usr/sbin/munin20:50:121
111391240,0ptp4l0-21swapper/722:18:287
111391240,0ptp4l0-21swapper/721:50:147
111391240,0ptp4l0-21swapper/523:45:105
111391240,0ptp4l0-21swapper/519:35:205
111391240,0ptp4l0-21swapper/519:25:005
111391240,0ptp4l0-21swapper/500:31:545
111391240,0ptp4l0-21swapper/500:27:265
111391240,0ptp4l0-21swapper/423:37:284
111391240,0ptp4l0-21swapper/423:20:094
111391240,0ptp4l0-21swapper/423:15:134
111391240,0ptp4l0-21swapper/423:05:124
111391240,0ptp4l0-21swapper/423:05:124
111391240,0ptp4l0-21swapper/422:04:304
111391240,0ptp4l0-21swapper/421:50:194
111391240,0ptp4l0-21swapper/421:47:434
111391240,0ptp4l0-21swapper/421:30:344
111391240,0ptp4l0-21swapper/420:25:114
111391240,0ptp4l0-21swapper/420:25:104
111391240,0ptp4l0-21swapper/222:05:212
111391240,0ptp4l0-21swapper/123:47:101
111391240,0ptp4l0-21swapper/123:03:201
111391240,0ptp4l0-21swapper/123:03:201
111391240,0ptp4l0-21swapper/121:34:251
111391240,0ptp4l0-21swapper/119:25:121
111391240,0ptp4l0-21swapper/023:25:220
111391240,0ptp4l0-21swapper/023:10:530
111391240,0ptp4l0-21swapper/022:50:100
111391240,0ptp4l0-21swapper/022:23:230
111391240,0ptp4l0-21swapper/020:25:160
111391240,0ptp4l0-21swapper/020:25:160
111391240,0ptp4l0-21swapper/020:20:150
111391240,0ptp4l0-21swapper/020:15:180
111391240,0ptp4l0-21swapper/000:05:210
111391230,2ptp4l0-21swapper/522:43:145
111391230,2ptp4l0-21swapper/423:02:154
111391230,2ptp4l0-21swapper/423:02:154
111391230,1ptp4l8553-21missed_timers20:45:174
111391230,1ptp4l15233-21cat19:50:125
111391230,0ptp4l0-21swapper/722:25:117
111391230,0ptp4l0-21swapper/721:55:197
111391230,0ptp4l0-21swapper/721:49:077
111391230,0ptp4l0-21swapper/621:15:446
111391230,0ptp4l0-21swapper/523:50:135
111391230,0ptp4l0-21swapper/523:30:595
111391230,0ptp4l0-21swapper/522:59:205
111391230,0ptp4l0-21swapper/522:45:145
111391230,0ptp4l0-21swapper/522:33:175
111391230,0ptp4l0-21swapper/521:50:295
111391230,0ptp4l0-21swapper/521:45:145
111391230,0ptp4l0-21swapper/521:10:315
111391230,0ptp4l0-21swapper/520:50:005
111391230,0ptp4l0-21swapper/520:40:125
111391230,0ptp4l0-21swapper/520:30:155
111391230,0ptp4l0-21swapper/520:05:115
111391230,0ptp4l0-21swapper/519:55:125
111391230,0ptp4l0-21swapper/500:16:555
111391230,0ptp4l0-21swapper/423:40:204
111391230,0ptp4l0-21swapper/422:55:104
111391230,0ptp4l0-21swapper/422:40:214
111391230,0ptp4l0-21swapper/422:22:104
111391230,0ptp4l0-21swapper/422:12:364
111391230,0ptp4l0-21swapper/420:55:154
111391230,0ptp4l0-21swapper/420:35:134
111391230,0ptp4l0-21swapper/420:00:134
111391230,0ptp4l0-21swapper/419:20:124
111391230,0ptp4l0-21swapper/400:35:174
111391230,0ptp4l0-21swapper/400:15:224
111391230,0ptp4l0-21swapper/321:55:173
111391230,0ptp4l0-21swapper/123:12:131
111391230,0ptp4l0-21swapper/122:50:191
111391230,0ptp4l0-21swapper/122:43:221
111391230,0ptp4l0-21swapper/121:20:141
111391230,0ptp4l0-21swapper/120:40:181
111391230,0ptp4l0-21swapper/120:25:121
111391230,0ptp4l0-21swapper/120:25:111
111391230,0ptp4l0-21swapper/119:15:181
111391230,0ptp4l0-21swapper/100:31:591
111391230,0ptp4l0-21swapper/100:20:101
111391230,0ptp4l0-21swapper/023:30:240
111391230,0ptp4l0-21swapper/023:20:140
111391230,0ptp4l0-21swapper/022:45:110
111391230,0ptp4l0-21swapper/022:10:130
111391230,0ptp4l0-21swapper/022:00:140
111391230,0ptp4l0-21swapper/021:57:010
111391230,0ptp4l0-21swapper/021:50:180
111391230,0ptp4l0-21swapper/021:35:170
111391230,0ptp4l0-21swapper/021:29:590
111391230,0ptp4l0-21swapper/021:24:190
111391230,0ptp4l0-21swapper/020:35:150
111391230,0ptp4l0-21swapper/019:50:100
111391230,0ptp4l0-21swapper/019:45:150
111391230,0ptp4l0-21swapper/019:40:180
111391230,0ptp4l0-21swapper/019:25:300
111391230,0ptp4l0-21swapper/019:15:120
111391230,0ptp4l0-21swapper/019:15:000
111391230,0ptp4l0-21swapper/000:30:180
111391220,0ptp4l9-21ksoftirqd/020:31:390
111391220,0ptp4l32490-21ssh23:50:141
111391220,0ptp4l0-21swapper/722:24:077
111391220,0ptp4l0-21swapper/621:51:486
111391220,0ptp4l0-21swapper/523:35:135
111391220,0ptp4l0-21swapper/523:27:415
111391220,0ptp4l0-21swapper/523:06:305
111391220,0ptp4l0-21swapper/523:06:295
111391220,0ptp4l0-21swapper/522:19:205
111391220,0ptp4l0-21swapper/521:36:015
111391220,0ptp4l0-21swapper/521:29:515
111391220,0ptp4l0-21swapper/521:10:005
111391220,0ptp4l0-21swapper/521:00:155
111391220,0ptp4l0-21swapper/520:25:135
111391220,0ptp4l0-21swapper/520:25:135
111391220,0ptp4l0-21swapper/520:10:325
111391220,0ptp4l0-21swapper/519:25:475
111391220,0ptp4l0-21swapper/500:08:485
111391220,0ptp4l0-21swapper/423:10:144
111391220,0ptp4l0-21swapper/422:50:104
111391220,0ptp4l0-21swapper/422:45:104
111391220,0ptp4l0-21swapper/421:05:124
111391220,0ptp4l0-21swapper/420:34:084
111391220,0ptp4l0-21swapper/420:15:124
111391220,0ptp4l0-21swapper/420:10:004
111391220,0ptp4l0-21swapper/420:06:314
111391220,0ptp4l0-21swapper/419:50:144
111391220,0ptp4l0-21swapper/419:25:174
111391220,0ptp4l0-21swapper/419:10:124
111391220,0ptp4l0-21swapper/400:20:194
111391220,0ptp4l0-21swapper/222:42:532
111391220,0ptp4l0-21swapper/123:56:431
111391220,0ptp4l0-21swapper/123:42:071
111391220,0ptp4l0-21swapper/123:35:141
111391220,0ptp4l0-21swapper/123:21:411
111391220,0ptp4l0-21swapper/122:58:451
111391220,0ptp4l0-21swapper/122:36:051
111391220,0ptp4l0-21swapper/122:20:181
111391220,0ptp4l0-21swapper/121:52:291
111391220,0ptp4l0-21swapper/121:36:371
111391220,0ptp4l0-21swapper/121:27:471
111391220,0ptp4l0-21swapper/121:15:181
111391220,0ptp4l0-21swapper/121:10:111
111391220,0ptp4l0-21swapper/121:06:021
111391220,0ptp4l0-21swapper/120:20:001
111391220,0ptp4l0-21swapper/120:10:171
111391220,0ptp4l0-21swapper/120:05:101
111391220,0ptp4l0-21swapper/119:42:191
111391220,0ptp4l0-21swapper/119:35:231
111391220,0ptp4l0-21swapper/119:20:191
111391220,0ptp4l0-21swapper/100:26:121
111391220,0ptp4l0-21swapper/100:04:351
111391220,0ptp4l0-21swapper/023:00:190
111391220,0ptp4l0-21swapper/023:00:190
111391220,0ptp4l0-21swapper/021:30:120
111391220,0ptp4l0-21swapper/021:05:150
111391220,0ptp4l0-21swapper/021:00:100
111391220,0ptp4l0-21swapper/019:20:100
111391220,0ptp4l0-21swapper/000:20:150
111391210,3ptp4l25-21ksoftirqd/122:27:271
111391210,1ptp4l3640-21sh21:33:516
111391210,0ptp4l0-21swapper/700:34:067
111391210,0ptp4l0-21swapper/623:07:196
111391210,0ptp4l0-21swapper/623:07:196
111391210,0ptp4l0-21swapper/619:18:316
111391210,0ptp4l0-21swapper/523:19:535
111391210,0ptp4l0-21swapper/521:31:045
111391210,0ptp4l0-21swapper/521:15:185
111391210,0ptp4l0-21swapper/519:42:415
111391210,0ptp4l0-21swapper/500:04:165
111391210,0ptp4l0-21swapper/422:27:524
111391210,0ptp4l0-21swapper/421:02:324
111391210,0ptp4l0-21swapper/419:59:314
111391210,0ptp4l0-21swapper/419:35:194
111391210,0ptp4l0-21swapper/322:24:123
111391210,0ptp4l0-21swapper/300:34:033
111391210,0ptp4l0-21swapper/222:52:582
111391210,0ptp4l0-21swapper/123:06:381
111391210,0ptp4l0-21swapper/123:06:371
111391210,0ptp4l0-21swapper/122:16:321
111391210,0ptp4l0-21swapper/122:06:331
111391210,0ptp4l0-21swapper/122:02:201
111391210,0ptp4l0-21swapper/120:30:131
111391210,0ptp4l0-21swapper/022:27:170
111391210,0ptp4l0-21swapper/019:56:310
111391210,0ptp4l0-21swapper/019:35:140
111391200,0ptp4l0-21swapper/623:22:386
111391200,0ptp4l0-21swapper/523:21:255
111391200,0ptp4l0-21swapper/522:20:235
111391200,0ptp4l0-21swapper/522:03:205
111391200,0ptp4l0-21swapper/519:47:565
111391200,0ptp4l0-21swapper/500:21:425
111391200,0ptp4l0-21swapper/223:22:282
111391200,0ptp4l0-21swapper/221:15:532
111391200,0ptp4l0-21swapper/220:25:272
111391200,0ptp4l0-21swapper/220:25:272
111391200,0ptp4l0-21swapper/123:19:591
111391200,0ptp4l0-21swapper/122:11:491
111391200,0ptp4l0-21swapper/121:44:591
111391200,0ptp4l0-21swapper/120:49:321
111391200,0ptp4l0-21swapper/120:36:001
111391200,0ptp4l0-21swapper/119:12:561
111391200,0ptp4l0-21swapper/100:36:151
111391200,0ptp4l0-21swapper/100:07:271
111391200,0ptp4l0-21swapper/020:53:040
111391200,0ptp4l0-21swapper/020:42:310
111391200,0ptp4l0-21swapper/020:08:310
111391190,0ptp4l0-21swapper/622:53:006
111391190,0ptp4l0-21swapper/600:19:196
111391190,0ptp4l0-21swapper/520:38:395
111391190,0ptp4l0-21swapper/520:20:135
111391190,0ptp4l0-21swapper/500:36:195
111391190,0ptp4l0-21swapper/420:52:314
111391190,0ptp4l0-21swapper/223:49:412
111391190,0ptp4l0-21swapper/223:07:262
111391190,0ptp4l0-21swapper/223:07:262
111391190,0ptp4l0-21swapper/221:59:472
111391190,0ptp4l0-21swapper/200:19:082
111391190,0ptp4l0-21swapper/120:04:161
111391190,0ptp4l0-21swapper/119:55:001
111391190,0ptp4l0-21swapper/119:47:311
111391180,0ptp4l0-21swapper/622:40:356
111391180,0ptp4l0-21swapper/322:00:013
111391180,0ptp4l0-21swapper/221:51:492
111391180,0ptp4l0-21swapper/121:59:391
111391170,0ptp4l0-21swapper/220:59:012
111391170,0ptp4l0-21swapper/120:55:541
111391160,0ptp4l0-21swapper/519:33:005
111391160,0ptp4l0-21swapper/519:15:345
111391160,0ptp4l0-21swapper/200:39:082
111391160,0ptp4l0-21swapper/200:28:412
111391160,0ptp4l0-21swapper/119:30:261
28079991511,3cyclictest9885-21turbostat19:40:003
111391150,0ptp4l0-21swapper/722:00:037
111391150,0ptp4l0-21swapper/720:38:117
111391150,0ptp4l0-21swapper/621:59:426
111391150,0ptp4l0-21swapper/620:43:046
111391150,0ptp4l0-21swapper/620:19:016
111391150,0ptp4l0-21swapper/619:25:246
111391150,0ptp4l0-21swapper/619:21:536
111391150,0ptp4l0-21swapper/619:12:236
111391150,0ptp4l0-21swapper/521:58:475
111391150,0ptp4l0-21swapper/520:56:015
111391150,0ptp4l0-21swapper/520:16:515
111391150,0ptp4l0-21swapper/519:11:365
111391150,0ptp4l0-21swapper/320:38:083
111391150,0ptp4l0-21swapper/220:43:022
111391150,0ptp4l0-21swapper/220:19:092
111391150,0ptp4l0-21swapper/220:08:392
111391150,0ptp4l0-21swapper/219:25:282
111391140,0ptp4l0-21swapper/621:08:156
111391140,0ptp4l0-21swapper/620:25:266
111391140,0ptp4l0-21swapper/620:25:266
111391140,0ptp4l0-21swapper/620:08:396
111391140,0ptp4l0-21swapper/600:39:116
111391140,0ptp4l0-21swapper/221:33:492
111391140,0ptp4l0-21swapper/221:08:142
111391140,0ptp4l0-21swapper/219:21:512
111391140,0ptp4l0-21swapper/219:18:142
111391140,0ptp4l0-21swapper/219:12:222
111391140,0ptp4l0-21swapper/200:07:322
28071991311,1cyclictest29747-21munin-run23:00:012
2807999119,1cyclictest0-21swapper/323:15:323
2807199110,1cyclictest10847-21munin-run21:44:592
2810699100,9cyclictest0-21swapper/720:50:157
2809999109,0cyclictest0-21swapper/623:36:046
2809999109,0cyclictest0-21swapper/622:34:086
2809999109,0cyclictest0-21swapper/621:11:096
2809999109,0cyclictest0-21swapper/600:34:306
2809999100,9cyclictest0-21swapper/623:54:356
2809999100,9cyclictest0-21swapper/623:15:096
2809999100,9cyclictest0-21swapper/622:48:456
2809999100,9cyclictest0-21swapper/621:41:296
2809999100,0cyclictest0-21swapper/621:49:586
2809999100,0cyclictest0-21swapper/600:21:296
2807999109,0cyclictest0-21swapper/323:24:123
2807999100,9cyclictest0-21swapper/321:27:533
2807999100,9cyclictest0-21swapper/321:14:503
2807999100,9cyclictest0-21swapper/300:37:543
2807999100,9cyclictest0-21swapper/300:23:173
2807199108,1cyclictest0-21swapper/222:18:092
2807199108,1cyclictest0-21swapper/200:32:312
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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