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2026-05-11 - 06:07

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 Mon May 11, 2026 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391620,31ptp4l0-21swapper/119:08:591
111391610,5ptp4l0-21swapper/619:05:216
111391610,30ptp4l0-21swapper/219:09:192
111391610,30ptp4l0-21swapper/019:07:050
2268326050,6sleep70-21swapper/719:05:257
153252590,0sleep60-21swapper/621:53:436
36302580,0sleep30-21swapper/320:45:163
2260725835,7sleep30-21swapper/319:05:213
147252570,0sleep50-21swapper/522:35:175
111391540,5ptp4l0-21swapper/419:08:044
2273724634,7sleep50-21swapper/519:06:125
111391360,0ptp4l0-21swapper/400:20:174
111391330,0ptp4l0-21swapper/423:45:224
111391330,0ptp4l0-21swapper/421:29:184
111391330,0ptp4l0-21swapper/400:32:474
111391320,1ptp4l13483-21sensors_fan00:00:190
111391320,0ptp4l0-21swapper/123:05:011
111391310,0ptp4l0-21swapper/423:33:514
111391310,0ptp4l0-21swapper/421:46:484
111391310,0ptp4l0-21swapper/122:41:351
111391310,0ptp4l0-21swapper/100:38:341
111391310,0ptp4l0-21swapper/100:38:331
111391300,6ptp4l0-21swapper/421:23:464
111391300,0ptp4l0-21swapper/520:10:145
111391300,0ptp4l0-21swapper/422:55:354
111391300,0ptp4l0-21swapper/422:00:224
111391300,0ptp4l0-21swapper/422:00:224
111391300,0ptp4l0-21swapper/421:42:154
111391300,0ptp4l0-21swapper/122:07:171
111391300,0ptp4l0-21swapper/023:50:200
111391300,0ptp4l0-21swapper/021:35:140
111391300,0ptp4l0-21swapper/021:10:190
111391290,3ptp4l0-21swapper/421:38:384
111391290,2ptp4l0-21swapper/400:15:374
111391290,0ptp4l0-21swapper/423:57:584
111391280,7ptp4l0-21swapper/322:10:353
111391280,0ptp4l0-21swapper/422:42:384
111391280,0ptp4l0-21swapper/421:31:134
111391280,0ptp4l0-21swapper/400:08:434
111391280,0ptp4l0-21swapper/323:38:583
111391280,0ptp4l0-21swapper/223:31:472
111391280,0ptp4l0-21swapper/123:41:361
111391280,0ptp4l0-21swapper/123:20:151
111391280,0ptp4l0-21swapper/100:20:091
111391280,0ptp4l0-21swapper/022:26:210
111391270,2ptp4l1-21systemd22:35:001
111391270,0ptp4l0-21swapper/423:27:284
111391270,0ptp4l0-21swapper/423:00:464
111391270,0ptp4l0-21swapper/422:53:214
111391270,0ptp4l0-21swapper/122:39:241
111391270,0ptp4l0-21swapper/121:51:101
111391270,0ptp4l0-21swapper/100:31:311
111391270,0ptp4l0-21swapper/023:03:160
111391270,0ptp4l0-21swapper/022:15:270
111391270,0ptp4l0-21swapper/021:31:210
111391270,0ptp4l0-21swapper/021:29:050
111391270,0ptp4l0-21swapper/021:18:100
111391270,0ptp4l0-21swapper/000:24:310
111391260,3ptp4l5501-21kworker/0:222:21:380
111391260,2ptp4l0-21swapper/123:39:181
111391260,2ptp4l0-21swapper/121:20:091
111391260,1ptp4l9988-21timerandwakeup21:45:180
111391260,1ptp4l27127-21sensors_fan23:35:200
111391260,1ptp4l22662-21users22:45:190
111391260,1ptp4l20128-21tr22:00:120
111391260,1ptp4l20128-21tr22:00:110
111391260,1ptp4l14066-21diskmemload22:58:070
111391260,0ptp4l0-21swapper/519:10:125
111391260,0ptp4l0-21swapper/121:36:161
111391260,0ptp4l0-21swapper/023:42:000
111391260,0ptp4l0-21swapper/023:31:270
111391260,0ptp4l0-21swapper/023:17:210
111391260,0ptp4l0-21swapper/023:10:140
111391260,0ptp4l0-21swapper/023:07:210
111391250,4ptp4l0-21swapper/420:02:554
111391250,1ptp4l8872-21grep23:55:100
111391250,1ptp4l27701-21fw_forwarded_lo22:10:131
111391250,1ptp4l2156-21timerandwakeup19:30:191
111391250,1ptp4l16392-21users23:20:215
111391250,1ptp4l11953-21basename23:59:597
111391250,1ptp4l0-21swapper/422:30:194
111391250,0ptp4l0-21swapper/700:06:357
111391250,0ptp4l0-21swapper/500:13:015
111391250,0ptp4l0-21swapper/423:54:394
111391250,0ptp4l0-21swapper/423:44:444
111391250,0ptp4l0-21swapper/422:45:114
111391250,0ptp4l0-21swapper/422:27:364
111391250,0ptp4l0-21swapper/422:12:394
111391250,0ptp4l0-21swapper/421:59:294
111391250,0ptp4l0-21swapper/420:45:184
111391250,0ptp4l0-21swapper/400:26:544
111391250,0ptp4l0-21swapper/122:29:401
111391250,0ptp4l0-21swapper/119:25:391
111391250,0ptp4l0-21swapper/100:30:001
111391250,0ptp4l0-21swapper/023:49:160
111391250,0ptp4l0-21swapper/022:35:130
111391250,0ptp4l0-21swapper/021:00:150
111391250,0ptp4l0-21swapper/000:36:040
111391250,0ptp4l0-21swapper/000:36:040
111391240,2ptp4l16381-21if_err_enp1s000:05:155
111391240,2ptp4l0-21swapper/121:31:321
111391240,1ptp4l6010-21irqrtprio00:35:154
111391240,1ptp4l6010-21irqrtprio00:35:144
111391240,1ptp4l5791-21/usr/sbin/munin19:40:110
111391240,1ptp4l29927-21cpuspeed_turbos23:40:135
111391240,1ptp4l28663-21/usr/sbin/munin22:55:166
111391240,1ptp4l2828-21kworker/1:020:10:151
111391240,1ptp4l27405-21missed_timers00:20:165
111391240,1ptp4l22591-21ssh23:30:131
111391240,1ptp4l12835-21hwlatdetect21:50:144
111391240,0ptp4l0-21swapper/722:10:417
111391240,0ptp4l0-21swapper/721:10:107
111391240,0ptp4l0-21swapper/720:15:167
111391240,0ptp4l0-21swapper/719:59:347
111391240,0ptp4l0-21swapper/622:12:096
111391240,0ptp4l0-21swapper/523:05:145
111391240,0ptp4l0-21swapper/519:20:145
111391240,0ptp4l0-21swapper/519:20:145
111391240,0ptp4l0-21swapper/423:38:414
111391240,0ptp4l0-21swapper/423:12:564
111391240,0ptp4l0-21swapper/421:00:114
111391240,0ptp4l0-21swapper/420:50:184
111391240,0ptp4l0-21swapper/419:45:164
111391240,0ptp4l0-21swapper/419:40:014
111391240,0ptp4l0-21swapper/400:11:454
111391240,0ptp4l0-21swapper/300:14:513
111391240,0ptp4l0-21swapper/120:40:461
111391240,0ptp4l0-21swapper/119:45:121
111391240,0ptp4l0-21swapper/119:18:051
111391240,0ptp4l0-21swapper/100:05:371
111391240,0ptp4l0-21swapper/023:24:120
111391240,0ptp4l0-21swapper/021:24:120
111391240,0ptp4l0-21swapper/020:45:130
111391240,0ptp4l0-21swapper/020:35:190
111391240,0ptp4l0-21swapper/019:45:180
111391240,0ptp4l0-21swapper/000:30:200
111391230,1ptp4l5629-21ssh23:06:094
111391230,1ptp4l24016-21df22:05:124
111391230,0ptp4l23586-21date20:20:000
111391230,0ptp4l22960-21ssh21:20:165
111391230,0ptp4l14066-21diskmemload21:12:145
111391230,0ptp4l0-21swapper/719:15:197
111391230,0ptp4l0-21swapper/523:02:095
111391230,0ptp4l0-21swapper/522:29:345
111391230,0ptp4l0-21swapper/522:15:155
111391230,0ptp4l0-21swapper/521:05:135
111391230,0ptp4l0-21swapper/520:35:165
111391230,0ptp4l0-21swapper/519:55:145
111391230,0ptp4l0-21swapper/519:35:205
111391230,0ptp4l0-21swapper/423:16:184
111391230,0ptp4l0-21swapper/422:20:304
111391230,0ptp4l0-21swapper/422:18:424
111391230,0ptp4l0-21swapper/421:15:154
111391230,0ptp4l0-21swapper/421:11:024
111391230,0ptp4l0-21swapper/420:35:134
111391230,0ptp4l0-21swapper/420:25:184
111391230,0ptp4l0-21swapper/420:20:154
111391230,0ptp4l0-21swapper/420:05:134
111391230,0ptp4l0-21swapper/419:50:154
111391230,0ptp4l0-21swapper/419:35:134
111391230,0ptp4l0-21swapper/419:30:184
111391230,0ptp4l0-21swapper/400:00:174
111391230,0ptp4l0-21swapper/320:15:183
111391230,0ptp4l0-21swapper/221:28:282
111391230,0ptp4l0-21swapper/123:15:191
111391230,0ptp4l0-21swapper/123:04:351
111391230,0ptp4l0-21swapper/122:15:161
111391230,0ptp4l0-21swapper/122:04:151
111391230,0ptp4l0-21swapper/122:04:141
111391230,0ptp4l0-21swapper/121:43:181
111391230,0ptp4l0-21swapper/121:05:181
111391230,0ptp4l0-21swapper/120:38:101
111391230,0ptp4l0-21swapper/120:16:471
111391230,0ptp4l0-21swapper/120:10:011
111391230,0ptp4l0-21swapper/120:00:201
111391230,0ptp4l0-21swapper/119:55:161
111391230,0ptp4l0-21swapper/119:45:011
111391230,0ptp4l0-21swapper/119:20:101
111391230,0ptp4l0-21swapper/119:20:091
111391230,0ptp4l0-21swapper/023:25:130
111391230,0ptp4l0-21swapper/022:50:120
111391230,0ptp4l0-21swapper/022:30:150
111391230,0ptp4l0-21swapper/022:05:560
111391230,0ptp4l0-21swapper/021:54:450
111391230,0ptp4l0-21swapper/021:40:190
111391230,0ptp4l0-21swapper/020:55:120
111391230,0ptp4l0-21swapper/020:50:130
111391230,0ptp4l0-21swapper/020:25:160
111391230,0ptp4l0-21swapper/019:20:190
111391230,0ptp4l0-21swapper/019:20:180
111391230,0ptp4l0-21swapper/000:25:200
111391230,0ptp4l0-21swapper/000:10:370
111391220,0ptp4l14105-21sh22:35:134
111391220,0ptp4l14066-21diskmemload22:40:010
111391220,0ptp4l11955-21ssh22:31:177
111391220,0ptp4l0-21swapper/722:23:237
111391220,0ptp4l0-21swapper/700:00:077
111391220,0ptp4l0-21swapper/622:50:096
111391220,0ptp4l0-21swapper/621:39:226
111391220,0ptp4l0-21swapper/621:28:246
111391220,0ptp4l0-21swapper/523:55:165
111391220,0ptp4l0-21swapper/523:52:265
111391220,0ptp4l0-21swapper/523:39:525
111391220,0ptp4l0-21swapper/523:32:355
111391220,0ptp4l0-21swapper/523:25:485
111391220,0ptp4l0-21swapper/522:51:485
111391220,0ptp4l0-21swapper/522:41:265
111391220,0ptp4l0-21swapper/522:20:215
111391220,0ptp4l0-21swapper/522:10:085
111391220,0ptp4l0-21swapper/522:07:275
111391220,0ptp4l0-21swapper/522:01:535
111391220,0ptp4l0-21swapper/522:01:525
111391220,0ptp4l0-21swapper/521:30:285
111391220,0ptp4l0-21swapper/520:40:175
111391220,0ptp4l0-21swapper/520:30:165
111391220,0ptp4l0-21swapper/520:00:145
111391220,0ptp4l0-21swapper/519:15:115
111391220,0ptp4l0-21swapper/500:39:455
111391220,0ptp4l0-21swapper/500:39:455
111391220,0ptp4l0-21swapper/423:20:114
111391220,0ptp4l0-21swapper/421:05:184
111391220,0ptp4l0-21swapper/420:55:174
111391220,0ptp4l0-21swapper/420:40:154
111391220,0ptp4l0-21swapper/420:30:184
111391220,0ptp4l0-21swapper/419:21:274
111391220,0ptp4l0-21swapper/419:21:264
111391220,0ptp4l0-21swapper/322:31:053
111391220,0ptp4l0-21swapper/322:23:163
111391220,0ptp4l0-21swapper/321:10:023
111391220,0ptp4l0-21swapper/321:09:273
111391220,0ptp4l0-21swapper/223:45:512
111391220,0ptp4l0-21swapper/222:55:092
111391220,0ptp4l0-21swapper/219:52:382
111391220,0ptp4l0-21swapper/200:10:012
111391220,0ptp4l0-21swapper/123:55:181
111391220,0ptp4l0-21swapper/123:53:121
111391220,0ptp4l0-21swapper/123:46:191
111391220,0ptp4l0-21swapper/123:25:441
111391220,0ptp4l0-21swapper/123:10:121
111391220,0ptp4l0-21swapper/122:58:451
111391220,0ptp4l0-21swapper/122:51:511
111391220,0ptp4l0-21swapper/122:46:281
111391220,0ptp4l0-21swapper/122:20:201
111391220,0ptp4l0-21swapper/121:25:491
111391220,0ptp4l0-21swapper/120:30:121
111391220,0ptp4l0-21swapper/120:28:471
111391220,0ptp4l0-21swapper/119:35:121
111391220,0ptp4l0-21swapper/100:16:421
111391220,0ptp4l0-21swapper/100:10:171
111391220,0ptp4l0-21swapper/022:11:430
111391220,0ptp4l0-21swapper/021:55:050
111391220,0ptp4l0-21swapper/021:05:170
111391220,0ptp4l0-21swapper/020:30:160
111391220,0ptp4l0-21swapper/020:20:550
111391220,0ptp4l0-21swapper/020:05:110
111391220,0ptp4l0-21swapper/020:00:570
111391220,0ptp4l0-21swapper/019:50:110
111391220,0ptp4l0-21swapper/019:35:190
111391220,0ptp4l0-21swapper/019:15:170
111391220,0ptp4l0-21swapper/000:15:200
111391220,0ptp4l0-21swapper/000:06:560
111391210,0ptp4l0-21swapper/721:23:397
111391210,0ptp4l0-21swapper/623:31:446
111391210,0ptp4l0-21swapper/623:26:076
111391210,0ptp4l0-21swapper/523:46:095
111391210,0ptp4l0-21swapper/523:15:215
111391210,0ptp4l0-21swapper/523:10:095
111391210,0ptp4l0-21swapper/522:59:385
111391210,0ptp4l0-21swapper/522:45:005
111391210,0ptp4l0-21swapper/522:34:295
111391210,0ptp4l0-21swapper/521:55:595
111391210,0ptp4l0-21swapper/521:51:425
111391210,0ptp4l0-21swapper/521:47:585
111391210,0ptp4l0-21swapper/521:36:275
111391210,0ptp4l0-21swapper/519:30:205
111391210,0ptp4l0-21swapper/519:25:165
111391210,0ptp4l0-21swapper/500:33:385
111391210,0ptp4l0-21swapper/500:29:465
111391210,0ptp4l0-21swapper/500:19:585
111391210,0ptp4l0-21swapper/323:59:443
111391210,0ptp4l0-21swapper/322:02:073
111391210,0ptp4l0-21swapper/322:02:063
111391210,0ptp4l0-21swapper/321:23:413
111391210,0ptp4l0-21swapper/300:06:423
111391210,0ptp4l0-21swapper/223:26:112
111391210,0ptp4l0-21swapper/223:02:492
111391210,0ptp4l0-21swapper/222:19:292
111391210,0ptp4l0-21swapper/222:02:372
111391210,0ptp4l0-21swapper/222:02:362
111391210,0ptp4l0-21swapper/221:17:532
111391210,0ptp4l0-21swapper/121:58:031
111391210,0ptp4l0-21swapper/121:48:101
111391210,0ptp4l0-21swapper/121:04:551
111391210,0ptp4l0-21swapper/119:10:261
111391210,0ptp4l0-21swapper/100:03:071
111391210,0ptp4l0-21swapper/020:40:160
111391200,0ptp4l0-21swapper/723:38:517
111391200,0ptp4l0-21swapper/722:02:067
111391200,0ptp4l0-21swapper/722:02:067
111391200,0ptp4l0-21swapper/623:46:586
111391200,0ptp4l0-21swapper/623:10:246
111391200,0ptp4l0-21swapper/622:02:346
111391200,0ptp4l0-21swapper/622:02:336
111391200,0ptp4l0-21swapper/621:56:206
111391200,0ptp4l0-21swapper/621:17:556
111391200,0ptp4l0-21swapper/521:43:195
111391200,0ptp4l0-21swapper/520:51:185
111391200,0ptp4l0-21swapper/520:23:245
111391200,0ptp4l0-21swapper/519:45:115
111391200,0ptp4l0-21swapper/519:44:265
111391200,0ptp4l0-21swapper/500:03:115
111391200,0ptp4l0-21swapper/420:17:244
111391200,0ptp4l0-21swapper/420:13:434
111391200,0ptp4l0-21swapper/419:29:424
111391200,0ptp4l0-21swapper/319:59:223
111391200,0ptp4l0-21swapper/300:00:013
111391200,0ptp4l0-21swapper/223:37:242
111391200,0ptp4l0-21swapper/222:37:142
111391200,0ptp4l0-21swapper/221:56:172
111391200,0ptp4l0-21swapper/219:27:232
111391200,0ptp4l0-21swapper/121:13:141
111391200,0ptp4l0-21swapper/020:12:250
111391200,0ptp4l0-21swapper/019:55:190
111391190,0ptp4l0-21swapper/720:14:257
111391190,0ptp4l0-21swapper/600:07:166
111391190,0ptp4l0-21swapper/600:04:066
111391190,0ptp4l0-21swapper/521:00:015
111391190,0ptp4l0-21swapper/520:26:355
111391190,0ptp4l0-21swapper/419:15:174
111391190,0ptp4l0-21swapper/221:39:252
111391190,0ptp4l0-21swapper/200:04:072
111391190,0ptp4l0-21swapper/019:34:240
111391180,2ptp4l0-21swapper/120:51:091
111391180,2ptp4l0-21swapper/019:13:290
111391180,0ptp4l1061-21snmpd20:24:181
111391180,0ptp4l0-21swapper/700:14:447
111391180,0ptp4l0-21swapper/621:43:146
111391180,0ptp4l0-21swapper/521:26:425
111391180,0ptp4l0-21swapper/223:10:252
111391180,0ptp4l0-21swapper/222:50:072
111391170,0ptp4l0-21swapper/621:10:556
111391170,0ptp4l0-21swapper/419:11:234
111391170,0ptp4l0-21swapper/223:08:042
111391170,0ptp4l0-21swapper/222:33:032
111391170,0ptp4l0-21swapper/222:12:002
111391170,0ptp4l0-21swapper/221:43:112
111391170,0ptp4l0-21swapper/200:26:162
111391170,0ptp4l0-21swapper/200:07:122
111391170,0ptp4l0-21swapper/019:29:240
111391160,1ptp4l25-21ksoftirqd/120:45:501
111391160,0ptp4l0-21swapper/721:09:547
111391160,0ptp4l0-21swapper/623:37:256
111391160,0ptp4l0-21swapper/600:10:016
111391160,0ptp4l0-21swapper/520:07:285
111391160,0ptp4l0-21swapper/219:35:592
111391160,0ptp4l0-21swapper/219:31:292
111391160,0ptp4l0-21swapper/120:59:321
23349991513,1cyclictest0-21swapper/700:20:127
111391150,0ptp4l0-21swapper/720:06:437
111391150,0ptp4l0-21swapper/623:08:056
111391150,0ptp4l0-21swapper/623:02:496
111391150,0ptp4l0-21swapper/622:37:096
111391150,0ptp4l0-21swapper/620:44:026
111391150,0ptp4l0-21swapper/620:37:446
111391150,0ptp4l0-21swapper/620:24:476
111391150,0ptp4l0-21swapper/620:11:446
111391150,0ptp4l0-21swapper/619:52:296
111391150,0ptp4l0-21swapper/619:48:456
111391150,0ptp4l0-21swapper/619:36:016
111391150,0ptp4l0-21swapper/619:27:126
111391150,0ptp4l0-21swapper/619:11:436
111391150,0ptp4l0-21swapper/521:16:175
111391150,0ptp4l0-21swapper/521:00:035
111391150,0ptp4l0-21swapper/520:45:115
111391150,0ptp4l0-21swapper/520:15:525
111391150,0ptp4l0-21swapper/519:50:335
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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