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2026-07-12 - 10:50

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 Jul 12, 2026 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391630,32ptp4l0-21swapper/119:06:351
111391610,5ptp4l0-21swapper/519:09:055
1881916037,6phc2sys0-21swapper/419:07:494
111391600,29ptp4l0-21swapper/019:06:140
28842590,0sleep60-21swapper/622:20:136
2056025737,16sleep20-21swapper/219:09:542
1865425039,6sleep70-21swapper/719:05:037
2026524938,7sleep30-21swapper/319:06:113
1833324734,7sleep60-21swapper/619:05:026
111391340,0ptp4l26154-21latency_hist19:20:005
111391320,0ptp4l0-21swapper/423:05:134
111391320,0ptp4l0-21swapper/421:29:384
111391310,0ptp4l0-21swapper/523:16:015
111391310,0ptp4l0-21swapper/422:50:134
111391310,0ptp4l0-21swapper/421:40:114
111391310,0ptp4l0-21swapper/421:20:134
111391310,0ptp4l0-21swapper/420:00:174
111391300,0ptp4l0-21swapper/521:15:235
111391300,0ptp4l0-21swapper/423:51:404
111391300,0ptp4l0-21swapper/400:25:124
111391300,0ptp4l0-21swapper/123:37:281
111391300,0ptp4l0-21swapper/123:37:281
111391290,4ptp4l0-21swapper/521:35:175
111391290,3ptp4l0-21swapper/100:39:161
111391290,3ptp4l0-21swapper/022:58:490
111391290,0ptp4l0-21swapper/523:55:555
111391290,0ptp4l0-21swapper/523:00:105
111391290,0ptp4l0-21swapper/423:45:174
111391290,0ptp4l0-21swapper/422:22:304
111391290,0ptp4l0-21swapper/422:07:414
111391290,0ptp4l0-21swapper/421:39:104
111391290,0ptp4l0-21swapper/421:13:424
111391290,0ptp4l0-21swapper/400:03:004
111391290,0ptp4l0-21swapper/123:02:421
111391290,0ptp4l0-21swapper/121:29:561
111391290,0ptp4l0-21swapper/022:08:160
111391290,0ptp4l0-21swapper/021:48:570
111391290,0ptp4l0-21swapper/021:12:250
111391290,0ptp4l0-21swapper/000:05:200
111391280,4ptp4l0-21swapper/023:56:160
111391280,0ptp4l0-21swapper/523:50:215
111391280,0ptp4l0-21swapper/521:44:195
111391280,0ptp4l0-21swapper/423:55:384
111391280,0ptp4l0-21swapper/423:29:394
111391280,0ptp4l0-21swapper/423:24:054
111391280,0ptp4l0-21swapper/422:56:234
111391280,0ptp4l0-21swapper/422:36:174
111391280,0ptp4l0-21swapper/222:34:032
111391280,0ptp4l0-21swapper/122:51:431
111391280,0ptp4l0-21swapper/121:55:121
111391280,0ptp4l0-21swapper/022:49:340
111391280,0ptp4l0-21swapper/022:43:240
111391280,0ptp4l0-21swapper/022:24:250
111391280,0ptp4l0-21swapper/022:12:050
20860992723,3cyclictest3038-21taskset19:40:054
111391270,4ptp4l0-21swapper/521:11:365
111391270,0ptp4l0-21swapper/622:50:486
111391270,0ptp4l0-21swapper/522:21:415
111391270,0ptp4l0-21swapper/521:34:595
111391270,0ptp4l0-21swapper/422:49:254
111391270,0ptp4l0-21swapper/400:36:114
111391270,0ptp4l0-21swapper/400:19:484
111391270,0ptp4l0-21swapper/400:08:064
111391270,0ptp4l0-21swapper/123:42:541
111391270,0ptp4l0-21swapper/123:16:021
111391270,0ptp4l0-21swapper/122:40:291
111391270,0ptp4l0-21swapper/122:21:571
111391270,0ptp4l0-21swapper/100:15:101
111391270,0ptp4l0-21swapper/022:31:500
111391270,0ptp4l0-21swapper/022:16:150
111391270,0ptp4l0-21swapper/021:27:400
111391270,0ptp4l0-21swapper/021:17:090
111391270,0ptp4l0-21swapper/000:18:590
111391260,3ptp4l0-21swapper/522:46:545
111391260,0ptp4l0-21swapper/523:42:055
111391260,0ptp4l0-21swapper/523:37:135
111391260,0ptp4l0-21swapper/523:37:135
111391260,0ptp4l0-21swapper/522:28:305
111391260,0ptp4l0-21swapper/521:59:395
111391260,0ptp4l0-21swapper/423:14:034
111391260,0ptp4l0-21swapper/421:55:224
111391260,0ptp4l0-21swapper/421:50:184
111391260,0ptp4l0-21swapper/123:46:561
111391260,0ptp4l0-21swapper/123:33:061
111391260,0ptp4l0-21swapper/120:47:341
111391260,0ptp4l0-21swapper/023:45:490
111391260,0ptp4l0-21swapper/023:34:330
111391260,0ptp4l0-21swapper/023:15:150
111391260,0ptp4l0-21swapper/021:42:570
111391260,0ptp4l0-21swapper/021:39:570
111391260,0ptp4l0-21swapper/020:15:190
111391260,0ptp4l0-21swapper/000:34:110
111391260,0ptp4l0-21swapper/000:23:120
20866992516,0cyclictest0-21swapper/523:08:015
111391250,1ptp4l31520-21irqstats22:15:154
111391250,1ptp4l27332-21smartctl19:20:215
111391250,1ptp4l23978-21fw_forwarded_lo20:25:134
111391250,0ptp4l0-21swapper/523:30:115
111391250,0ptp4l0-21swapper/522:00:165
111391250,0ptp4l0-21swapper/423:19:184
111391250,0ptp4l0-21swapper/422:32:004
111391250,0ptp4l0-21swapper/422:14:364
111391250,0ptp4l0-21swapper/220:05:202
111391250,0ptp4l0-21swapper/123:59:061
111391250,0ptp4l0-21swapper/122:01:271
111391250,0ptp4l0-21swapper/121:45:231
111391250,0ptp4l0-21swapper/121:25:011
111391250,0ptp4l0-21swapper/023:28:350
111391250,0ptp4l0-21swapper/023:12:410
111391250,0ptp4l0-21swapper/023:06:140
111391250,0ptp4l0-21swapper/022:51:410
111391250,0ptp4l0-21swapper/022:39:570
111391250,0ptp4l0-21swapper/022:27:580
111391250,0ptp4l0-21swapper/021:57:510
111391250,0ptp4l0-21swapper/021:52:450
111391250,0ptp4l0-21swapper/019:25:140
111391240,1ptp4l8199-21sed21:00:164
111391240,1ptp4l8199-21sed21:00:164
111391240,1ptp4l5593-21ps20:55:161
111391240,1ptp4l5593-21ps20:55:161
111391240,1ptp4l32454-21if_err_enp0s2521:35:131
111391240,1ptp4l30686-21latency_hist19:30:001
111391240,1ptp4l30533-21latency_hist20:40:004
111391240,1ptp4l29167-21ssh23:35:144
111391240,1ptp4l29167-21ssh23:35:144
111391240,1ptp4l27551-21/usr/sbin/munin19:20:220
111391240,1ptp4l11827-21latency_hist20:00:004
111391240,1ptp4l11601-21diskmemload22:41:004
111391240,0ptp4l0-21swapper/622:55:226
111391240,0ptp4l0-21swapper/522:44:555
111391240,0ptp4l0-21swapper/521:45:115
111391240,0ptp4l0-21swapper/520:55:135
111391240,0ptp4l0-21swapper/520:55:125
111391240,0ptp4l0-21swapper/423:40:114
111391240,0ptp4l0-21swapper/422:27:444
111391240,0ptp4l0-21swapper/420:55:014
111391240,0ptp4l0-21swapper/420:30:164
111391240,0ptp4l0-21swapper/419:31:334
111391240,0ptp4l0-21swapper/400:24:254
111391240,0ptp4l0-21swapper/222:06:232
111391240,0ptp4l0-21swapper/123:20:151
111391240,0ptp4l0-21swapper/122:16:411
111391240,0ptp4l0-21swapper/120:50:151
111391240,0ptp4l0-21swapper/022:04:430
111391240,0ptp4l0-21swapper/021:21:070
111391240,0ptp4l0-21swapper/020:20:130
111391240,0ptp4l0-21swapper/019:40:150
111391230,1ptp4l31929-21ssh23:39:132
111391230,1ptp4l31929-21ssh23:39:132
111391230,1ptp4l17088-21fw_conntrack20:10:104
111391230,1ptp4l11601-21diskmemload21:32:442
111391230,0ptp4l25035-21smart_sda19:15:204
111391230,0ptp4l0-21swapper/623:39:006
111391230,0ptp4l0-21swapper/623:39:006
111391230,0ptp4l0-21swapper/622:48:466
111391230,0ptp4l0-21swapper/600:07:596
111391230,0ptp4l0-21swapper/522:35:115
111391230,0ptp4l0-21swapper/522:17:035
111391230,0ptp4l0-21swapper/522:05:135
111391230,0ptp4l0-21swapper/521:25:145
111391230,0ptp4l0-21swapper/521:05:205
111391230,0ptp4l0-21swapper/500:37:235
111391230,0ptp4l0-21swapper/500:15:135
111391230,0ptp4l0-21swapper/423:35:004
111391230,0ptp4l0-21swapper/422:04:154
111391230,0ptp4l0-21swapper/421:46:104
111391230,0ptp4l0-21swapper/421:18:084
111391230,0ptp4l0-21swapper/420:41:244
111391230,0ptp4l0-21swapper/419:25:154
111391230,0ptp4l0-21swapper/419:25:004
111391230,0ptp4l0-21swapper/400:30:184
111391230,0ptp4l0-21swapper/400:10:174
111391230,0ptp4l0-21swapper/323:17:353
111391230,0ptp4l0-21swapper/223:29:322
111391230,0ptp4l0-21swapper/222:25:212
111391230,0ptp4l0-21swapper/123:50:111
111391230,0ptp4l0-21swapper/123:27:581
111391230,0ptp4l0-21swapper/122:30:181
111391230,0ptp4l0-21swapper/122:05:111
111391230,0ptp4l0-21swapper/121:50:191
111391230,0ptp4l0-21swapper/121:30:151
111391230,0ptp4l0-21swapper/120:35:161
111391230,0ptp4l0-21swapper/119:10:121
111391230,0ptp4l0-21swapper/100:32:461
111391230,0ptp4l0-21swapper/100:04:551
111391230,0ptp4l0-21swapper/023:40:100
111391230,0ptp4l0-21swapper/023:39:410
111391230,0ptp4l0-21swapper/023:39:410
111391230,0ptp4l0-21swapper/023:20:190
111391230,0ptp4l0-21swapper/021:00:120
111391230,0ptp4l0-21swapper/021:00:120
111391230,0ptp4l0-21swapper/020:40:160
111391230,0ptp4l0-21swapper/020:25:150
111391230,0ptp4l0-21swapper/020:05:010
111391230,0ptp4l0-21swapper/020:00:120
111391230,0ptp4l0-21swapper/000:36:190
111391230,0ptp4l0-21swapper/000:25:180
111391230,0ptp4l0-21swapper/000:13:150
111391220,1ptp4l5461-21ssh00:29:101
111391220,1ptp4l2087399cyclictest00:30:496
111391220,0ptp4l0-21swapper/622:39:356
111391220,0ptp4l0-21swapper/621:32:486
111391220,0ptp4l0-21swapper/621:23:436
111391220,0ptp4l0-21swapper/621:18:326
111391220,0ptp4l0-21swapper/620:05:126
111391220,0ptp4l0-21swapper/600:00:346
111391220,0ptp4l0-21swapper/523:26:205
111391220,0ptp4l0-21swapper/523:20:515
111391220,0ptp4l0-21swapper/522:30:125
111391220,0ptp4l0-21swapper/522:11:245
111391220,0ptp4l0-21swapper/521:50:115
111391220,0ptp4l0-21swapper/520:50:125
111391220,0ptp4l0-21swapper/520:49:065
111391220,0ptp4l0-21swapper/520:35:135
111391220,0ptp4l0-21swapper/520:15:125
111391220,0ptp4l0-21swapper/519:55:125
111391220,0ptp4l0-21swapper/519:48:205
111391220,0ptp4l0-21swapper/519:35:125
111391220,0ptp4l0-21swapper/519:30:125
111391220,0ptp4l0-21swapper/519:10:115
111391220,0ptp4l0-21swapper/500:34:005
111391220,0ptp4l0-21swapper/500:26:245
111391220,0ptp4l0-21swapper/423:02:514
111391220,0ptp4l0-21swapper/421:30:394
111391220,0ptp4l0-21swapper/420:45:194
111391220,0ptp4l0-21swapper/420:20:164
111391220,0ptp4l0-21swapper/420:15:114
111391220,0ptp4l0-21swapper/420:05:494
111391220,0ptp4l0-21swapper/419:50:204
111391220,0ptp4l0-21swapper/419:45:134
111391220,0ptp4l0-21swapper/419:10:174
111391220,0ptp4l0-21swapper/222:22:382
111391220,0ptp4l0-21swapper/200:20:062
111391220,0ptp4l0-21swapper/200:05:472
111391220,0ptp4l0-21swapper/123:10:131
111391220,0ptp4l0-21swapper/123:08:041
111391220,0ptp4l0-21swapper/122:59:541
111391220,0ptp4l0-21swapper/122:46:101
111391220,0ptp4l0-21swapper/122:36:571
111391220,0ptp4l0-21swapper/122:25:141
111391220,0ptp4l0-21swapper/122:12:441
111391220,0ptp4l0-21swapper/121:42:141
111391220,0ptp4l0-21swapper/121:15:101
111391220,0ptp4l0-21swapper/121:11:381
111391220,0ptp4l0-21swapper/120:33:391
111391220,0ptp4l0-21swapper/119:55:221
111391220,0ptp4l0-21swapper/119:45:181
111391220,0ptp4l0-21swapper/119:30:141
111391220,0ptp4l0-21swapper/119:20:151
111391220,0ptp4l0-21swapper/100:20:501
111391220,0ptp4l0-21swapper/100:05:061
111391220,0ptp4l0-21swapper/023:52:520
111391220,0ptp4l0-21swapper/023:01:380
111391220,0ptp4l0-21swapper/021:34:070
111391220,0ptp4l0-21swapper/020:55:330
111391220,0ptp4l0-21swapper/020:55:330
111391220,0ptp4l0-21swapper/020:45:130
111391220,0ptp4l0-21swapper/020:35:210
111391220,0ptp4l0-21swapper/020:30:330
111391220,0ptp4l0-21swapper/020:10:160
111391220,0ptp4l0-21swapper/019:55:150
111391220,0ptp4l0-21swapper/019:45:140
111391220,0ptp4l0-21swapper/019:35:140
111391220,0ptp4l0-21swapper/019:30:170
111391220,0ptp4l0-21swapper/019:15:140
111391220,0ptp4l0-21swapper/019:10:140
111391220,0ptp4l0-21swapper/000:00:130
20866992112,4cyclictest0-21swapper/523:12:575
111391210,0ptp4l0-21swapper/723:17:367
111391210,0ptp4l0-21swapper/623:23:006
111391210,0ptp4l0-21swapper/623:11:476
111391210,0ptp4l0-21swapper/622:34:056
111391210,0ptp4l0-21swapper/622:15:396
111391210,0ptp4l0-21swapper/622:01:416
111391210,0ptp4l0-21swapper/621:45:446
111391210,0ptp4l0-21swapper/600:27:086
111391210,0ptp4l0-21swapper/600:21:576
111391210,0ptp4l0-21swapper/522:51:495
111391210,0ptp4l0-21swapper/521:21:085
111391210,0ptp4l0-21swapper/520:06:245
111391210,0ptp4l0-21swapper/500:21:495
111391210,0ptp4l0-21swapper/500:04:405
111391210,0ptp4l0-21swapper/421:09:184
111391210,0ptp4l0-21swapper/223:21:552
111391210,0ptp4l0-21swapper/223:11:492
111391210,0ptp4l0-21swapper/222:55:242
111391210,0ptp4l0-21swapper/222:50:512
111391210,0ptp4l0-21swapper/222:47:162
111391210,0ptp4l0-21swapper/222:39:302
111391210,0ptp4l0-21swapper/222:01:362
111391210,0ptp4l0-21swapper/200:27:052
111391210,0ptp4l0-21swapper/121:07:001
111391210,0ptp4l0-21swapper/121:00:231
111391210,0ptp4l0-21swapper/121:00:231
111391210,0ptp4l0-21swapper/120:15:161
111391210,0ptp4l0-21swapper/120:06:331
111391210,0ptp4l0-21swapper/019:50:000
111391200,2ptp4l0-21swapper/420:59:564
111391200,2ptp4l0-21swapper/420:59:564
111391200,0ptp4l0-21swapper/623:29:346
111391200,0ptp4l0-21swapper/622:06:276
111391200,0ptp4l0-21swapper/523:46:575
111391200,0ptp4l0-21swapper/522:59:355
111391200,0ptp4l0-21swapper/521:02:185
111391200,0ptp4l0-21swapper/521:02:185
111391200,0ptp4l0-21swapper/520:34:555
111391200,0ptp4l0-21swapper/500:05:015
111391200,0ptp4l0-21swapper/320:11:323
111391200,0ptp4l0-21swapper/223:51:102
111391200,0ptp4l0-21swapper/221:28:552
111391200,0ptp4l0-21swapper/220:16:242
111391200,0ptp4l0-21swapper/200:30:502
111391200,0ptp4l0-21swapper/119:35:361
111391200,0ptp4l0-21swapper/021:09:580
111391200,0ptp4l0-21swapper/020:53:340
111391190,1ptp4l1499-21memory19:35:154
111391190,0ptp4l0-21swapper/723:25:527
111391190,0ptp4l0-21swapper/623:18:406
111391190,0ptp4l0-21swapper/620:03:406
111391190,0ptp4l0-21swapper/519:54:235
111391190,0ptp4l0-21swapper/519:27:535
111391190,0ptp4l0-21swapper/323:25:523
111391190,0ptp4l0-21swapper/222:15:382
111391190,0ptp4l0-21swapper/222:14:572
111391190,0ptp4l0-21swapper/221:45:432
111391190,0ptp4l0-21swapper/200:18:232
111391180,0ptp4l0-21swapper/621:28:566
111391180,0ptp4l0-21swapper/600:18:216
111391180,0ptp4l0-21swapper/520:24:325
111391180,0ptp4l0-21swapper/223:18:422
111391180,0ptp4l0-21swapper/221:56:082
111391180,0ptp4l0-21swapper/221:18:312
111391180,0ptp4l0-21swapper/120:29:161
111391170,0ptp4l0-21swapper/723:01:127
111391170,0ptp4l0-21swapper/623:55:326
111391170,0ptp4l0-21swapper/623:51:116
111391170,0ptp4l0-21swapper/223:55:332
111391160,0ptp4l0-21swapper/720:11:287
111391160,0ptp4l0-21swapper/622:27:356
111391160,0ptp4l0-21swapper/520:29:005
111391160,0ptp4l0-21swapper/520:13:305
111391160,0ptp4l0-21swapper/221:23:402
111391160,0ptp4l0-21swapper/120:40:461
111391160,0ptp4l0-21swapper/120:22:381
111391160,0ptp4l0-21swapper/120:04:051
111391160,0ptp4l0-21swapper/119:51:281
111391160,0ptp4l0-21swapper/119:41:511
111391160,0ptp4l0-21swapper/119:17:161
111391150,0ptp4l0-21swapper/721:03:167
111391150,0ptp4l0-21swapper/721:03:167
111391150,0ptp4l0-21swapper/622:43:316
111391150,0ptp4l0-21swapper/620:57:446
111391150,0ptp4l0-21swapper/620:57:446
111391150,0ptp4l0-21swapper/620:52:076
111391150,0ptp4l0-21swapper/620:25:066
111391150,0ptp4l0-21swapper/620:16:246
111391150,0ptp4l0-21swapper/619:59:416
111391150,0ptp4l0-21swapper/619:44:416
111391150,0ptp4l0-21swapper/619:25:546
111391150,0ptp4l0-21swapper/520:40:485
111391150,0ptp4l0-21swapper/520:00:365
111391150,0ptp4l0-21swapper/519:41:525
111391150,0ptp4l0-21swapper/219:59:382
111391150,0ptp4l0-21swapper/219:25:512
111391150,0ptp4l0-21swapper/120:12:061
111391140,0ptp4l0-21swapper/720:53:077
111391140,0ptp4l0-21swapper/619:16:236
111391140,0ptp4l0-21swapper/619:11:516
111391140,0ptp4l0-21swapper/321:03:163
111391140,0ptp4l0-21swapper/321:03:163
111391140,0ptp4l0-21swapper/220:57:352
111391140,0ptp4l0-21swapper/220:57:352
111391140,0ptp4l0-21swapper/220:52:062
111391140,0ptp4l0-21swapper/220:25:062
111391140,0ptp4l0-21swapper/220:03:292
111391140,0ptp4l0-21swapper/219:44:422
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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