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2026-04-21 - 05:27

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 Tue Apr 21, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
129012660,0sleep10-21swapper/123:48:011
111391610,5ptp4l0-21swapper/419:06:504
635925948,7sleep20-21swapper/219:08:322
111391580,5ptp4l0-21swapper/019:06:140
111391530,5ptp4l0-21swapper/119:05:141
630925140,6sleep70-21swapper/719:07:587
632525040,6sleep60-21swapper/619:08:046
111391490,5ptp4l0-21swapper/519:05:065
636024736,7sleep30-21swapper/319:08:333
111391350,0ptp4l0-21swapper/522:01:195
111391330,0ptp4l0-21swapper/523:39:225
111391330,0ptp4l0-21swapper/022:10:010
111391320,1ptp4l1068-21runrttasks23:25:130
111391320,0ptp4l0-21swapper/422:37:434
111391320,0ptp4l0-21swapper/421:16:424
111391320,0ptp4l0-21swapper/322:20:183
111391310,0ptp4l0-21swapper/522:05:325
111391310,0ptp4l0-21swapper/423:30:034
111391310,0ptp4l0-21swapper/421:51:064
111391310,0ptp4l0-21swapper/421:46:054
111391310,0ptp4l0-21swapper/421:46:044
111391310,0ptp4l0-21swapper/421:39:444
111391310,0ptp4l0-21swapper/123:19:271
111391310,0ptp4l0-21swapper/122:45:531
111391310,0ptp4l0-21swapper/100:38:351
111391300,0ptp4l0-21swapper/523:42:315
111391300,0ptp4l0-21swapper/523:10:055
111391300,0ptp4l0-21swapper/522:52:025
111391300,0ptp4l0-21swapper/522:24:005
111391300,0ptp4l0-21swapper/421:56:114
111391300,0ptp4l0-21swapper/400:39:164
111391300,0ptp4l0-21swapper/123:00:171
111391290,0ptp4l0-21swapper/423:29:584
111391290,0ptp4l0-21swapper/423:03:004
111391290,0ptp4l0-21swapper/400:27:374
111391290,0ptp4l0-21swapper/400:27:364
111391290,0ptp4l0-21swapper/322:26:323
111391290,0ptp4l0-21swapper/122:59:411
111391290,0ptp4l0-21swapper/122:44:191
111391290,0ptp4l0-21swapper/021:56:190
111391290,0ptp4l0-21swapper/000:25:210
111391290,0ptp4l0-21swapper/000:25:210
111391280,1ptp4l0-21swapper/522:49:465
111391280,0ptp4l0-21swapper/423:54:184
111391280,0ptp4l0-21swapper/422:32:134
111391280,0ptp4l0-21swapper/121:05:141
111391270,4ptp4l0-21swapper/121:18:061
111391270,0ptp4l0-21swapper/500:16:575
111391270,0ptp4l0-21swapper/422:11:064
111391270,0ptp4l0-21swapper/421:30:524
111391270,0ptp4l0-21swapper/419:27:364
111391270,0ptp4l0-21swapper/123:39:371
111391270,0ptp4l0-21swapper/122:04:551
111391270,0ptp4l0-21swapper/022:36:380
111391270,0ptp4l0-21swapper/000:08:400
111391260,0ptp4l0-21swapper/521:42:405
111391260,0ptp4l0-21swapper/500:12:005
111391260,0ptp4l0-21swapper/500:01:035
111391260,0ptp4l0-21swapper/422:25:494
111391260,0ptp4l0-21swapper/122:29:141
111391260,0ptp4l0-21swapper/121:59:381
111391260,0ptp4l0-21swapper/121:25:171
111391260,0ptp4l0-21swapper/120:25:431
111391260,0ptp4l0-21swapper/023:47:160
111391260,0ptp4l0-21swapper/022:50:590
111391250,2ptp4l561ktimersoftd/522:59:135
111391250,1ptp4l22654-21fw_forwarded_lo22:30:130
111391250,1ptp4l21556-21df19:40:124
111391250,0ptp4l0-21swapper/722:20:207
111391250,0ptp4l0-21swapper/520:16:045
111391250,0ptp4l0-21swapper/519:19:455
111391250,0ptp4l0-21swapper/500:10:015
111391250,0ptp4l0-21swapper/422:45:174
111391250,0ptp4l0-21swapper/422:43:174
111391250,0ptp4l0-21swapper/421:28:024
111391250,0ptp4l0-21swapper/421:23:364
111391250,0ptp4l0-21swapper/421:11:104
111391250,0ptp4l0-21swapper/419:10:554
111391250,0ptp4l0-21swapper/400:32:584
111391250,0ptp4l0-21swapper/400:10:234
111391250,0ptp4l0-21swapper/400:09:064
111391250,0ptp4l0-21swapper/122:53:011
111391250,0ptp4l0-21swapper/121:37:091
111391250,0ptp4l0-21swapper/120:05:221
111391250,0ptp4l0-21swapper/022:16:160
111391250,0ptp4l0-21swapper/000:15:150
111391240,1ptp4l9848-21df20:25:105
111391240,1ptp4l8082-21/usr/sbin/munin20:20:165
111391240,1ptp4l7830-21cpuspeed_turbos00:30:110
111391240,1ptp4l4679-21grep23:35:180
111391240,1ptp4l4229-21memory23:35:144
111391240,1ptp4l30163-21memory22:40:170
111391240,1ptp4l16976-21ps20:40:144
111391240,1ptp4l15275-21smartctl20:35:191
111391240,1ptp4l15169-21smart_sda23:50:201
111391240,1ptp4l12433-21smartctl19:20:130
111391240,0ptp4l23571-21grep20:55:100
111391240,0ptp4l0-21swapper/720:25:007
111391240,0ptp4l0-21swapper/619:55:256
111391240,0ptp4l0-21swapper/523:17:365
111391240,0ptp4l0-21swapper/521:25:155
111391240,0ptp4l0-21swapper/521:24:035
111391240,0ptp4l0-21swapper/520:40:235
111391240,0ptp4l0-21swapper/520:10:185
111391240,0ptp4l0-21swapper/422:15:134
111391240,0ptp4l0-21swapper/419:57:194
111391240,0ptp4l0-21swapper/400:15:384
111391240,0ptp4l0-21swapper/322:14:153
111391240,0ptp4l0-21swapper/122:07:381
111391240,0ptp4l0-21swapper/120:21:401
111391240,0ptp4l0-21swapper/119:20:011
111391240,0ptp4l0-21swapper/023:41:490
111391240,0ptp4l0-21swapper/023:33:370
111391240,0ptp4l0-21swapper/023:05:160
111391240,0ptp4l0-21swapper/022:46:460
111391240,0ptp4l0-21swapper/022:04:110
111391240,0ptp4l0-21swapper/021:32:410
111391240,0ptp4l0-21swapper/021:10:200
111391240,0ptp4l0-21swapper/020:40:150
111391240,0ptp4l0-21swapper/020:16:260
111391240,0ptp4l0-21swapper/000:00:170
111391230,1ptp4l8911-21latency_hist19:15:001
111391230,1ptp4l19756-21ps20:45:181
111391230,1ptp4l16516-21sshd23:53:150
111391230,0ptp4l0-21swapper/622:51:366
111391230,0ptp4l0-21swapper/621:26:006
111391230,0ptp4l0-21swapper/523:50:215
111391230,0ptp4l0-21swapper/521:45:125
111391230,0ptp4l0-21swapper/521:45:115
111391230,0ptp4l0-21swapper/521:37:045
111391230,0ptp4l0-21swapper/521:15:545
111391230,0ptp4l0-21swapper/520:45:115
111391230,0ptp4l0-21swapper/520:35:165
111391230,0ptp4l0-21swapper/520:35:005
111391230,0ptp4l0-21swapper/520:08:165
111391230,0ptp4l0-21swapper/519:50:025
111391230,0ptp4l0-21swapper/519:45:145
111391230,0ptp4l0-21swapper/519:30:185
111391230,0ptp4l0-21swapper/500:30:215
111391230,0ptp4l0-21swapper/500:22:425
111391230,0ptp4l0-21swapper/423:55:114
111391230,0ptp4l0-21swapper/423:45:144
111391230,0ptp4l0-21swapper/423:41:424
111391230,0ptp4l0-21swapper/423:05:154
111391230,0ptp4l0-21swapper/422:55:124
111391230,0ptp4l0-21swapper/422:05:154
111391230,0ptp4l0-21swapper/421:42:464
111391230,0ptp4l0-21swapper/420:55:194
111391230,0ptp4l0-21swapper/420:50:104
111391230,0ptp4l0-21swapper/420:50:014
111391230,0ptp4l0-21swapper/420:20:204
111391230,0ptp4l0-21swapper/420:15:154
111391230,0ptp4l0-21swapper/419:37:244
111391230,0ptp4l0-21swapper/400:20:194
111391230,0ptp4l0-21swapper/400:01:514
111391230,0ptp4l0-21swapper/300:20:123
111391230,0ptp4l0-21swapper/221:50:152
111391230,0ptp4l0-21swapper/219:55:012
111391230,0ptp4l0-21swapper/123:25:531
111391230,0ptp4l0-21swapper/122:21:561
111391230,0ptp4l0-21swapper/121:47:111
111391230,0ptp4l0-21swapper/121:47:111
111391230,0ptp4l0-21swapper/121:25:011
111391230,0ptp4l0-21swapper/120:42:031
111391230,0ptp4l0-21swapper/120:00:191
111391230,0ptp4l0-21swapper/119:45:111
111391230,0ptp4l0-21swapper/119:43:411
111391230,0ptp4l0-21swapper/100:30:191
111391230,0ptp4l0-21swapper/100:06:331
111391230,0ptp4l0-21swapper/023:15:140
111391230,0ptp4l0-21swapper/022:57:540
111391230,0ptp4l0-21swapper/022:25:140
111391230,0ptp4l0-21swapper/022:20:540
111391230,0ptp4l0-21swapper/021:53:170
111391230,0ptp4l0-21swapper/021:45:570
111391230,0ptp4l0-21swapper/021:45:560
111391230,0ptp4l0-21swapper/021:40:200
111391230,0ptp4l0-21swapper/021:15:130
111391230,0ptp4l0-21swapper/021:00:120
111391230,0ptp4l0-21swapper/020:35:140
111391230,0ptp4l0-21swapper/020:30:130
111391230,0ptp4l0-21swapper/019:55:150
111391230,0ptp4l0-21swapper/019:48:090
111391230,0ptp4l0-21swapper/019:40:160
111391230,0ptp4l0-21swapper/019:35:570
111391230,0ptp4l0-21swapper/019:25:530
111391230,0ptp4l0-21swapper/019:15:190
111391230,0ptp4l0-21swapper/000:20:140
111391230,0ptp4l0-21swapper/000:10:200
111391220,0ptp4l27140-21cat19:50:214
111391220,0ptp4l12609-21if_virbr0-nic19:20:144
111391220,0ptp4l0-21swapper/722:31:187
111391220,0ptp4l0-21swapper/700:20:137
111391220,0ptp4l0-21swapper/700:05:157
111391220,0ptp4l0-21swapper/622:38:316
111391220,0ptp4l0-21swapper/621:50:126
111391220,0ptp4l0-21swapper/619:31:076
111391220,0ptp4l0-21swapper/523:48:115
111391220,0ptp4l0-21swapper/522:36:135
111391220,0ptp4l0-21swapper/522:25:585
111391220,0ptp4l0-21swapper/522:11:155
111391220,0ptp4l0-21swapper/521:05:145
111391220,0ptp4l0-21swapper/520:54:105
111391220,0ptp4l0-21swapper/519:35:185
111391220,0ptp4l0-21swapper/519:20:005
111391220,0ptp4l0-21swapper/423:20:124
111391220,0ptp4l0-21swapper/423:14:224
111391220,0ptp4l0-21swapper/422:50:114
111391220,0ptp4l0-21swapper/422:23:414
111391220,0ptp4l0-21swapper/421:00:114
111391220,0ptp4l0-21swapper/420:35:124
111391220,0ptp4l0-21swapper/420:30:194
111391220,0ptp4l0-21swapper/420:12:254
111391220,0ptp4l0-21swapper/420:07:564
111391220,0ptp4l0-21swapper/420:00:174
111391220,0ptp4l0-21swapper/322:31:063
111391220,0ptp4l0-21swapper/300:05:153
111391220,0ptp4l0-21swapper/223:00:582
111391220,0ptp4l0-21swapper/222:19:142
111391220,0ptp4l0-21swapper/219:55:212
111391220,0ptp4l0-21swapper/123:59:171
111391220,0ptp4l0-21swapper/123:44:561
111391220,0ptp4l0-21swapper/123:34:471
111391220,0ptp4l0-21swapper/123:10:001
111391220,0ptp4l0-21swapper/123:09:341
111391220,0ptp4l0-21swapper/122:30:231
111391220,0ptp4l0-21swapper/122:12:001
111391220,0ptp4l0-21swapper/121:42:041
111391220,0ptp4l0-21swapper/121:33:051
111391220,0ptp4l0-21swapper/120:57:051
111391220,0ptp4l0-21swapper/119:35:001
111391220,0ptp4l0-21swapper/119:30:121
111391220,0ptp4l0-21swapper/119:23:091
111391220,0ptp4l0-21swapper/100:17:111
111391220,0ptp4l0-21swapper/100:01:441
111391220,0ptp4l0-21swapper/023:55:110
111391220,0ptp4l0-21swapper/023:20:150
111391220,0ptp4l0-21swapper/023:12:450
111391220,0ptp4l0-21swapper/023:00:190
111391220,0ptp4l0-21swapper/022:05:140
111391220,0ptp4l0-21swapper/021:35:120
111391220,0ptp4l0-21swapper/021:27:110
111391220,0ptp4l0-21swapper/021:20:120
111391220,0ptp4l0-21swapper/021:08:100
111391220,0ptp4l0-21swapper/020:50:100
111391220,0ptp4l0-21swapper/020:00:130
111391220,0ptp4l0-21swapper/019:50:220
111391220,0ptp4l0-21swapper/019:10:130
111391220,0ptp4l0-21swapper/000:35:130
6777992118,0cyclictest0-21swapper/519:26:345
111391210,1ptp4l0-21swapper/620:02:516
111391210,0ptp4l29842-21diskmemload22:16:351
111391210,0ptp4l0-21swapper/722:47:197
111391210,0ptp4l0-21swapper/621:41:436
111391210,0ptp4l0-21swapper/523:33:325
111391210,0ptp4l0-21swapper/523:26:005
111391210,0ptp4l0-21swapper/523:09:465
111391210,0ptp4l0-21swapper/523:02:435
111391210,0ptp4l0-21swapper/522:44:285
111391210,0ptp4l0-21swapper/522:16:295
111391210,0ptp4l0-21swapper/521:58:085
111391210,0ptp4l0-21swapper/521:54:415
111391210,0ptp4l0-21swapper/521:34:025
111391210,0ptp4l0-21swapper/500:36:245
111391210,0ptp4l0-21swapper/500:26:265
111391210,0ptp4l0-21swapper/500:26:265
111391210,0ptp4l0-21swapper/423:15:134
111391210,0ptp4l0-21swapper/422:00:464
111391210,0ptp4l0-21swapper/421:07:544
111391210,0ptp4l0-21swapper/322:47:233
111391210,0ptp4l0-21swapper/223:53:112
111391210,0ptp4l0-21swapper/223:45:522
111391210,0ptp4l0-21swapper/223:32:042
111391210,0ptp4l0-21swapper/221:31:412
111391210,0ptp4l0-21swapper/221:25:512
111391210,0ptp4l0-21swapper/220:03:032
111391210,0ptp4l0-21swapper/122:38:071
111391210,0ptp4l0-21swapper/121:54:481
111391210,0ptp4l0-21swapper/121:11:491
111391210,0ptp4l0-21swapper/121:02:221
111391210,0ptp4l0-21swapper/120:34:431
111391210,0ptp4l0-21swapper/120:10:121
111391210,0ptp4l0-21swapper/119:50:031
111391210,0ptp4l0-21swapper/100:10:121
111391210,0ptp4l0-21swapper/020:29:160
111391210,0ptp4l0-21swapper/020:24:140
111391200,0ptp4l0-21swapper/722:14:117
111391200,0ptp4l0-21swapper/720:37:047
111391200,0ptp4l0-21swapper/623:32:066
111391200,0ptp4l0-21swapper/621:31:396
111391200,0ptp4l0-21swapper/523:58:145
111391200,0ptp4l0-21swapper/519:59:165
111391200,0ptp4l0-21swapper/519:43:075
111391200,0ptp4l0-21swapper/519:13:025
111391200,0ptp4l0-21swapper/319:29:153
111391200,0ptp4l0-21swapper/222:56:132
111391200,0ptp4l0-21swapper/100:22:291
111391200,0ptp4l0-21swapper/020:07:110
111391190,0ptp4l0-21swapper/623:58:306
111391190,0ptp4l0-21swapper/623:51:376
111391190,0ptp4l0-21swapper/622:27:466
111391190,0ptp4l0-21swapper/622:19:256
111391190,0ptp4l0-21swapper/523:20:095
111391190,0ptp4l0-21swapper/521:14:155
111391190,0ptp4l0-21swapper/520:57:215
111391190,0ptp4l0-21swapper/420:26:204
111391190,0ptp4l0-21swapper/419:18:034
111391190,0ptp4l0-21swapper/223:22:232
111391190,0ptp4l0-21swapper/222:52:322
111391190,0ptp4l0-21swapper/222:27:482
111391190,0ptp4l0-21swapper/221:47:342
111391190,0ptp4l0-21swapper/221:47:332
111391190,0ptp4l0-21swapper/221:43:472
111391190,0ptp4l0-21swapper/123:20:351
111391190,0ptp4l0-21swapper/119:57:091
111391190,0ptp4l0-21swapper/100:26:241
111391190,0ptp4l0-21swapper/100:26:231
111391190,0ptp4l0-21swapper/020:47:040
111391190,0ptp4l0-21swapper/019:31:070
111391180,0ptp4l0-21swapper/621:47:386
111391180,0ptp4l0-21swapper/621:47:376
111391180,0ptp4l0-21swapper/621:38:226
111391180,0ptp4l0-21swapper/619:38:446
111391180,0ptp4l0-21swapper/419:31:074
111391180,0ptp4l0-21swapper/322:56:193
111391180,0ptp4l0-21swapper/223:58:302
111391180,0ptp4l0-21swapper/200:02:022
111391180,0ptp4l0-21swapper/120:19:391
6792991715,1cyclictest0-21swapper/700:00:127
111391170,0ptp4l0-21swapper/722:26:227
111391170,0ptp4l0-21swapper/623:36:266
111391170,0ptp4l0-21swapper/520:00:195
111391170,0ptp4l0-21swapper/200:21:562
111391170,0ptp4l0-21swapper/120:50:571
111391160,0ptp4l0-21swapper/620:49:216
111391160,0ptp4l0-21swapper/321:06:273
111391160,0ptp4l0-21swapper/320:36:153
111391160,0ptp4l0-21swapper/320:24:453
111391160,0ptp4l0-21swapper/222:41:132
111391160,0ptp4l0-21swapper/222:38:302
111391160,0ptp4l0-21swapper/221:38:242
111391160,0ptp4l0-21swapper/119:28:071
111391160,0ptp4l0-21swapper/020:14:470
679299150,1cyclictest0-21swapper/719:15:007
111391150,0ptp4l0-21swapper/722:56:197
111391150,0ptp4l0-21swapper/721:06:307
111391150,0ptp4l0-21swapper/719:29:067
111391150,0ptp4l0-21swapper/623:22:226
111391150,0ptp4l0-21swapper/619:55:016
111391150,0ptp4l0-21swapper/619:29:556
111391150,0ptp4l0-21swapper/522:33:525
111391150,0ptp4l0-21swapper/521:02:185
111391150,0ptp4l0-21swapper/419:46:434
111391150,0ptp4l0-21swapper/222:24:262
111391150,0ptp4l0-21swapper/220:54:142
111391150,0ptp4l0-21swapper/220:49:222
111391150,0ptp4l0-21swapper/219:38:382
111391150,0ptp4l0-21swapper/219:30:002
111391140,0ptp4l0-21swapper/621:03:266
111391140,0ptp4l0-21swapper/620:54:146
111391140,0ptp4l0-21swapper/620:32:376
111391140,0ptp4l0-21swapper/620:27:516
111391140,0ptp4l0-21swapper/600:21:576
111391140,0ptp4l0-21swapper/221:03:252
111391140,0ptp4l0-21swapper/220:32:382
111391140,0ptp4l0-21swapper/220:27:512
111391140,0ptp4l0-21swapper/220:07:342
111391140,0ptp4l0-21swapper/219:31:062
679299130,0cyclictest0-21swapper/721:34:267
679299130,0cyclictest0-21swapper/721:02:057
679299120,0cyclictest0-21swapper/723:42:207
679299120,0cyclictest0-21swapper/722:51:357
300942120,0sleep30-21swapper/323:25:203
679299110,8cyclictest186291getstats20:09:577
676499110,10cyclictest6363-21kworker/3:000:27:163
676499110,10cyclictest6363-21kworker/3:000:27:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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