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2026-03-15 - 03:50

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 Sun Mar 15, 2026 00:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
180562650,0sleep00-21swapper/019:15:190
111391650,6ptp4l0-21swapper/019:07:490
111391620,5ptp4l0-21swapper/119:06:011
1336226039,6sleep70-21swapper/719:06:227
111391600,5ptp4l0-21swapper/519:09:235
1334625747,6sleep40-21swapper/419:06:114
1340325140,7sleep20-21swapper/219:06:492
1342224635,7sleep30-21swapper/319:07:063
1337924635,6sleep60-21swapper/619:06:366
111391350,0ptp4l0-21swapper/520:05:145
111391350,0ptp4l0-21swapper/319:35:103
111391320,0ptp4l0-21swapper/423:53:314
111391320,0ptp4l0-21swapper/121:00:121
111391310,0ptp4l0-21swapper/719:35:167
111391310,0ptp4l0-21swapper/521:30:015
111391310,0ptp4l0-21swapper/123:00:171
111391310,0ptp4l0-21swapper/021:32:410
111391300,3ptp4l0-21swapper/121:48:391
111391300,3ptp4l0-21swapper/121:48:391
111391300,1ptp4l15452-21sh22:08:515
111391300,0ptp4l0-21swapper/521:30:125
111391300,0ptp4l0-21swapper/500:39:515
111391300,0ptp4l0-21swapper/423:31:554
111391300,0ptp4l0-21swapper/421:46:354
111391300,0ptp4l0-21swapper/421:46:354
111391290,4ptp4l24094-21mailstats23:50:185
111391290,0ptp4l0-21swapper/121:58:521
111391290,0ptp4l0-21swapper/023:35:180
111391280,2ptp4l0-21swapper/021:23:230
111391280,0ptp4l0-21swapper/522:38:465
111391280,0ptp4l0-21swapper/500:34:035
111391280,0ptp4l0-21swapper/423:25:184
111391280,0ptp4l0-21swapper/423:24:334
111391280,0ptp4l0-21swapper/422:14:484
111391280,0ptp4l0-21swapper/421:52:414
111391280,0ptp4l0-21swapper/421:52:404
111391280,0ptp4l0-21swapper/421:43:514
111391280,0ptp4l0-21swapper/421:36:454
111391280,0ptp4l0-21swapper/421:33:424
111391280,0ptp4l0-21swapper/123:24:141
111391280,0ptp4l0-21swapper/022:39:330
111391270,4ptp4l0-21swapper/521:24:185
111391270,0ptp4l0-21swapper/523:01:175
111391270,0ptp4l0-21swapper/522:01:045
111391270,0ptp4l0-21swapper/521:14:145
111391270,0ptp4l0-21swapper/423:11:134
111391270,0ptp4l0-21swapper/422:18:084
111391270,0ptp4l0-21swapper/421:18:224
111391270,0ptp4l0-21swapper/122:20:371
111391270,0ptp4l0-21swapper/022:00:540
111391260,2ptp4l0-21swapper/400:02:574
111391260,1ptp4l24409-21wc23:05:205
111391260,0ptp4l0-21swapper/423:57:524
111391260,0ptp4l0-21swapper/420:55:004
111391260,0ptp4l0-21swapper/420:10:104
111391260,0ptp4l0-21swapper/400:18:194
111391260,0ptp4l0-21swapper/222:39:562
111391260,0ptp4l0-21swapper/121:22:471
111391260,0ptp4l0-21swapper/121:14:351
111391260,0ptp4l0-21swapper/119:55:171
111391260,0ptp4l0-21swapper/100:16:111
111391260,0ptp4l0-21swapper/100:10:121
111391260,0ptp4l0-21swapper/023:14:020
111391260,0ptp4l0-21swapper/022:42:540
111391260,0ptp4l0-21swapper/022:31:140
111391260,0ptp4l0-21swapper/022:20:030
111391260,0ptp4l0-21swapper/021:38:120
111391260,0ptp4l0-21swapper/021:17:370
111391260,0ptp4l0-21swapper/000:24:350
13948992520,4cyclictest0-21swapper/521:39:335
13948992516,8cyclictest0-21swapper/522:45:335
13948992516,4cyclictest0-21swapper/520:43:195
111391250,2ptp4l0-21swapper/400:20:564
111391250,1ptp4l26755-21missed_timers20:45:151
111391250,1ptp4l20167-21fw_forwarded_lo21:30:131
111391250,0ptp4l0-21swapper/723:02:587
111391250,0ptp4l0-21swapper/523:15:195
111391250,0ptp4l0-21swapper/522:10:215
111391250,0ptp4l0-21swapper/521:56:365
111391250,0ptp4l0-21swapper/521:41:255
111391250,0ptp4l0-21swapper/422:50:524
111391250,0ptp4l0-21swapper/422:21:194
111391250,0ptp4l0-21swapper/400:36:564
111391250,0ptp4l0-21swapper/400:07:504
111391250,0ptp4l0-21swapper/123:30:071
111391250,0ptp4l0-21swapper/122:01:091
111391250,0ptp4l0-21swapper/100:35:121
111391250,0ptp4l0-21swapper/023:44:410
111391250,0ptp4l0-21swapper/022:49:030
111391250,0ptp4l0-21swapper/022:16:240
111391250,0ptp4l0-21swapper/020:50:110
13948992421,0cyclictest0-21swapper/522:34:475
13948992420,0cyclictest0-21swapper/521:16:205
13948992420,0cyclictest0-21swapper/519:58:135
13948992419,4cyclictest0-21swapper/522:40:285
13948992416,7cyclictest0-21swapper/521:50:175
13948992416,7cyclictest0-21swapper/521:50:175
13948992416,7cyclictest0-21swapper/520:38:145
13948992416,4cyclictest0-21swapper/521:05:175
13948992416,4cyclictest0-21swapper/520:00:015
13948992415,0cyclictest0-21swapper/520:50:425
111391240,2ptp4l0-21swapper/100:03:091
111391240,1ptp4l5156-21fw_conntrack00:10:125
111391240,1ptp4l4681-21diskmemload23:07:504
111391240,1ptp4l17014-21/usr/sbin/munin19:15:164
111391240,1ptp4l15630-21/usr/sbin/munin20:20:174
111391240,0ptp4l0-21swapper/722:46:137
111391240,0ptp4l0-21swapper/719:35:007
111391240,0ptp4l0-21swapper/523:48:565
111391240,0ptp4l0-21swapper/523:26:285
111391240,0ptp4l0-21swapper/520:32:485
111391240,0ptp4l0-21swapper/519:40:185
111391240,0ptp4l0-21swapper/422:56:264
111391240,0ptp4l0-21swapper/422:40:094
111391240,0ptp4l0-21swapper/422:25:594
111391240,0ptp4l0-21swapper/422:02:454
111391240,0ptp4l0-21swapper/421:28:184
111391240,0ptp4l0-21swapper/123:36:481
111391240,0ptp4l0-21swapper/123:05:061
111391240,0ptp4l0-21swapper/122:54:161
111391240,0ptp4l0-21swapper/122:29:561
111391240,0ptp4l0-21swapper/121:25:051
111391240,0ptp4l0-21swapper/100:24:501
111391240,0ptp4l0-21swapper/023:28:480
111391240,0ptp4l0-21swapper/023:18:540
111391240,0ptp4l0-21swapper/022:25:190
111391240,0ptp4l0-21swapper/022:10:520
111391240,0ptp4l0-21swapper/021:51:440
111391240,0ptp4l0-21swapper/021:51:430
111391240,0ptp4l0-21swapper/021:43:360
111391240,0ptp4l0-21swapper/000:30:160
111391240,0ptp4l0-21swapper/000:25:210
111391240,0ptp4l0-21swapper/000:25:200
111391240,0ptp4l0-21swapper/000:00:210
195082230,0sleep50-21swapper/522:59:595
13948992319,3cyclictest0-21swapper/520:57:575
13948992319,0cyclictest0-21swapper/521:45:045
13948992319,0cyclictest0-21swapper/521:45:035
13948992315,4cyclictest0-21swapper/522:26:175
13948992315,4cyclictest0-21swapper/522:23:085
13948992315,4cyclictest0-21swapper/522:15:535
111391230,1ptp4l5290-21/usr/sbin/munin20:00:164
111391230,1ptp4l24527-21awk21:35:161
111391230,0ptp4l30477-21diskstats00:00:125
111391230,0ptp4l18324-21sh00:30:154
111391230,0ptp4l0-21swapper/523:41:215
111391230,0ptp4l0-21swapper/523:30:175
111391230,0ptp4l0-21swapper/523:24:595
111391230,0ptp4l0-21swapper/522:53:325
111391230,0ptp4l0-21swapper/520:45:155
111391230,0ptp4l0-21swapper/519:25:155
111391230,0ptp4l0-21swapper/423:40:204
111391230,0ptp4l0-21swapper/423:40:004
111391230,0ptp4l0-21swapper/423:15:154
111391230,0ptp4l0-21swapper/422:45:204
111391230,0ptp4l0-21swapper/422:05:164
111391230,0ptp4l0-21swapper/421:13:204
111391230,0ptp4l0-21swapper/419:50:154
111391230,0ptp4l0-21swapper/419:30:134
111391230,0ptp4l0-21swapper/400:25:154
111391230,0ptp4l0-21swapper/400:25:144
111391230,0ptp4l0-21swapper/321:55:143
111391230,0ptp4l0-21swapper/321:22:023
111391230,0ptp4l0-21swapper/319:20:143
111391230,0ptp4l0-21swapper/219:30:192
111391230,0ptp4l0-21swapper/123:50:151
111391230,0ptp4l0-21swapper/123:47:321
111391230,0ptp4l0-21swapper/123:10:141
111391230,0ptp4l0-21swapper/122:35:561
111391230,0ptp4l0-21swapper/121:54:181
111391230,0ptp4l0-21swapper/121:54:171
111391230,0ptp4l0-21swapper/120:40:121
111391230,0ptp4l0-21swapper/120:15:131
111391230,0ptp4l0-21swapper/120:05:111
111391230,0ptp4l0-21swapper/119:25:161
111391230,0ptp4l0-21swapper/119:10:171
111391230,0ptp4l0-21swapper/119:10:161
111391230,0ptp4l0-21swapper/100:30:201
111391230,0ptp4l0-21swapper/023:55:190
111391230,0ptp4l0-21swapper/023:50:520
111391230,0ptp4l0-21swapper/023:20:170
111391230,0ptp4l0-21swapper/023:02:460
111391230,0ptp4l0-21swapper/021:10:120
111391230,0ptp4l0-21swapper/020:55:140
111391230,0ptp4l0-21swapper/020:30:010
111391230,0ptp4l0-21swapper/020:10:110
111391230,0ptp4l0-21swapper/019:50:150
111391230,0ptp4l0-21swapper/019:30:200
111391230,0ptp4l0-21swapper/019:20:190
111391230,0ptp4l0-21swapper/000:15:120
111391230,0ptp4l0-21swapper/000:05:580
13948992218,0cyclictest0-21swapper/521:03:065
1394099220,0cyclictest0-21swapper/419:49:494
111391220,1ptp4l24736-21sensors20:40:180
111391220,0ptp4l0-21swapper/721:55:127
111391220,0ptp4l0-21swapper/721:21:267
111391220,0ptp4l0-21swapper/721:07:517
111391220,0ptp4l0-21swapper/700:28:017
111391220,0ptp4l0-21swapper/700:28:017
111391220,0ptp4l0-21swapper/623:46:226
111391220,0ptp4l0-21swapper/622:49:456
111391220,0ptp4l0-21swapper/523:55:305
111391220,0ptp4l0-21swapper/523:10:155
111391220,0ptp4l0-21swapper/520:15:125
111391220,0ptp4l0-21swapper/519:40:005
111391220,0ptp4l0-21swapper/519:10:205
111391220,0ptp4l0-21swapper/519:10:205
111391220,0ptp4l0-21swapper/500:16:225
111391220,0ptp4l0-21swapper/500:07:005
111391220,0ptp4l0-21swapper/423:47:104
111391220,0ptp4l0-21swapper/422:38:214
111391220,0ptp4l0-21swapper/422:30:214
111391220,0ptp4l0-21swapper/421:20:094
111391220,0ptp4l0-21swapper/421:09:344
111391220,0ptp4l0-21swapper/421:00:164
111391220,0ptp4l0-21swapper/420:55:154
111391220,0ptp4l0-21swapper/420:30:124
111391220,0ptp4l0-21swapper/420:25:164
111391220,0ptp4l0-21swapper/419:20:174
111391220,0ptp4l0-21swapper/400:10:014
111391220,0ptp4l0-21swapper/323:51:283
111391220,0ptp4l0-21swapper/322:46:173
111391220,0ptp4l0-21swapper/321:27:423
111391220,0ptp4l0-21swapper/123:59:561
111391220,0ptp4l0-21swapper/123:29:571
111391220,0ptp4l0-21swapper/123:15:211
111391220,0ptp4l0-21swapper/122:59:591
111391220,0ptp4l0-21swapper/122:10:121
111391220,0ptp4l0-21swapper/122:07:511
111391220,0ptp4l0-21swapper/121:44:561
111391220,0ptp4l0-21swapper/121:00:001
111391220,0ptp4l0-21swapper/120:35:111
111391220,0ptp4l0-21swapper/120:20:141
111391220,0ptp4l0-21swapper/119:40:011
111391220,0ptp4l0-21swapper/100:26:161
111391220,0ptp4l0-21swapper/100:26:151
111391220,0ptp4l0-21swapper/100:05:181
111391220,0ptp4l0-21swapper/023:45:130
111391220,0ptp4l0-21swapper/023:08:010
111391220,0ptp4l0-21swapper/022:55:050
111391220,0ptp4l0-21swapper/022:50:150
111391220,0ptp4l0-21swapper/022:05:150
111391220,0ptp4l0-21swapper/021:28:270
111391220,0ptp4l0-21swapper/021:00:140
111391220,0ptp4l0-21swapper/020:25:130
111391220,0ptp4l0-21swapper/020:00:120
111391220,0ptp4l0-21swapper/019:45:120
111391220,0ptp4l0-21swapper/000:36:090
111391220,0ptp4l0-21swapper/000:10:120
111391210,2ptp4l0-21swapper/023:30:070
111391210,0ptp4l0-21swapper/721:27:397
111391210,0ptp4l0-21swapper/622:05:446
111391210,0ptp4l0-21swapper/600:38:286
111391210,0ptp4l0-21swapper/600:32:546
111391210,0ptp4l0-21swapper/523:36:025
111391210,0ptp4l0-21swapper/520:26:525
111391210,0ptp4l0-21swapper/520:25:005
111391210,0ptp4l0-21swapper/520:13:475
111391210,0ptp4l0-21swapper/519:51:475
111391210,0ptp4l0-21swapper/519:31:045
111391210,0ptp4l0-21swapper/519:23:485
111391210,0ptp4l0-21swapper/500:22:365
111391210,0ptp4l0-21swapper/421:57:014
111391210,0ptp4l0-21swapper/420:45:484
111391210,0ptp4l0-21swapper/420:40:214
111391210,0ptp4l0-21swapper/300:28:063
111391210,0ptp4l0-21swapper/300:28:053
111391210,0ptp4l0-21swapper/223:46:162
111391210,0ptp4l0-21swapper/222:40:032
111391210,0ptp4l0-21swapper/123:40:391
111391210,0ptp4l0-21swapper/122:40:541
111391210,0ptp4l0-21swapper/122:33:111
111391210,0ptp4l0-21swapper/122:17:141
111391210,0ptp4l0-21swapper/121:05:121
111391210,0ptp4l0-21swapper/120:25:131
111391210,0ptp4l0-21swapper/119:51:551
111391210,0ptp4l0-21swapper/119:39:311
111391210,0ptp4l0-21swapper/119:16:431
111391210,0ptp4l0-21swapper/021:57:290
111391210,0ptp4l0-21swapper/021:45:190
111391210,0ptp4l0-21swapper/021:45:180
111391200,1ptp4l33-21ksoftirqd/221:54:262
111391200,1ptp4l33-21ksoftirqd/221:54:252
111391200,0ptp4l0-21swapper/719:19:387
111391200,0ptp4l0-21swapper/500:26:045
111391200,0ptp4l0-21swapper/500:26:035
111391200,0ptp4l0-21swapper/423:00:354
111391200,0ptp4l0-21swapper/420:38:004
111391200,0ptp4l0-21swapper/420:17:214
111391200,0ptp4l0-21swapper/420:09:544
111391200,0ptp4l0-21swapper/323:03:003
111391200,0ptp4l0-21swapper/319:32:343
111391200,0ptp4l0-21swapper/221:31:452
111391200,0ptp4l0-21swapper/122:49:331
111391200,0ptp4l0-21swapper/121:15:101
111391200,0ptp4l0-21swapper/120:51:311
111391200,0ptp4l0-21swapper/120:32:031
111391200,0ptp4l0-21swapper/120:03:211
111391200,0ptp4l0-21swapper/119:24:271
111391200,0ptp4l0-21swapper/020:46:420
111391200,0ptp4l0-21swapper/019:57:330
111391200,0ptp4l0-21swapper/019:41:480
111391200,0ptp4l0-21swapper/019:12:320
111391200,0ptp4l0-21swapper/019:12:320
324292190,0sleep20-21swapper/222:31:292
111391190,0ptp4l641ktimersoftd/621:31:536
111391190,0ptp4l0-21swapper/623:18:016
111391190,0ptp4l0-21swapper/621:51:046
111391190,0ptp4l0-21swapper/621:51:036
111391190,0ptp4l0-21swapper/621:26:006
111391190,0ptp4l0-21swapper/419:41:214
111391190,0ptp4l0-21swapper/419:11:444
111391190,0ptp4l0-21swapper/419:11:434
111391190,0ptp4l0-21swapper/200:38:392
111391190,0ptp4l0-21swapper/020:36:270
111391190,0ptp4l0-21swapper/020:24:480
318292180,0sleep60-21swapper/621:45:196
318292180,0sleep60-21swapper/621:45:186
111391180,0ptp4l0-21swapper/723:51:297
111391180,0ptp4l0-21swapper/600:14:286
111391180,0ptp4l0-21swapper/222:49:482
111391180,0ptp4l0-21swapper/222:21:552
111391180,0ptp4l0-21swapper/222:05:442
111391180,0ptp4l0-21swapper/220:54:442
111391180,0ptp4l0-21swapper/219:43:292
111391180,0ptp4l0-21swapper/200:32:522
111391180,0ptp4l0-21swapper/120:14:591
111391180,0ptp4l0-21swapper/021:08:430
111391170,2ptp4l0-21swapper/020:09:510
111391170,2ptp4l0-21swapper/019:28:340
111391170,0ptp4l0-21swapper/719:20:137
111391170,0ptp4l0-21swapper/622:43:546
111391170,0ptp4l0-21swapper/622:39:596
111391170,0ptp4l0-21swapper/419:58:034
111391170,0ptp4l0-21swapper/419:29:074
111391170,0ptp4l0-21swapper/223:17:572
111391160,0ptp4l0-21swapper/519:16:385
111391160,0ptp4l0-21swapper/221:26:002
111391160,0ptp4l0-21swapper/119:45:351
111391150,1ptp4l49-21ksoftirqd/419:38:544
111391150,0ptp4l0-21swapper/622:21:576
111391150,0ptp4l0-21swapper/620:54:266
111391150,0ptp4l0-21swapper/620:34:166
111391150,0ptp4l0-21swapper/620:07:346
111391150,0ptp4l0-21swapper/619:42:336
111391150,0ptp4l0-21swapper/519:48:305
111391150,0ptp4l0-21swapper/321:07:513
111391150,0ptp4l0-21swapper/319:19:303
111391150,0ptp4l0-21swapper/220:07:482
111391150,0ptp4l0-21swapper/200:14:252
111391150,0ptp4l0-21swapper/200:07:142
111391150,0ptp4l0-21swapper/119:30:281
111391150,0ptp4l0-21swapper/020:15:060
111391150,0ptp4l0-21swapper/019:38:250
13954991412,1cyclictest0-21swapper/623:25:166
121332140,0sleep30-21swapper/322:04:473
111391140,0ptp4l0-21swapper/620:20:246
111391140,0ptp4l0-21swapper/619:30:046
111391140,0ptp4l0-21swapper/220:34:142
111391140,0ptp4l0-21swapper/220:20:222
111391140,0ptp4l0-21swapper/200:17:592
1396299109,0cyclictest0-21swapper/722:24:177
1396299109,0cyclictest0-21swapper/722:05:457
1396299109,0cyclictest0-21swapper/700:06:077
1396299100,9cyclictest0-21swapper/721:43:367
1396299100,9cyclictest0-21swapper/721:11:227
1396299100,9cyclictest0-21swapper/700:16:397
1396299100,0cyclictest0-21swapper/723:09:057
1396299100,0cyclictest0-21swapper/722:33:157
1396299100,0cyclictest0-21swapper/700:37:527
1395499100,9cyclictest0-21swapper/623:53:166
1395499100,9cyclictest0-21swapper/621:14:146
1395499100,9cyclictest0-21swapper/600:29:536
1395499100,9cyclictest0-21swapper/600:29:526
1393299108,1cyclictest0-21swapper/319:55:523
1392599100,9cyclictest0-21swapper/223:35:442
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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