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2026-03-22 - 13:20

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 22, 2026 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391750,2ptp4l0-21swapper/019:05:130
111391750,2ptp4l0-21swapper/019:05:120
111391690,25ptp4l0-21swapper/519:05:215
111391690,25ptp4l0-21swapper/519:05:205
170712640,0sleep20-21swapper/221:05:172
111391590,28ptp4l0-21swapper/119:07:441
111391590,28ptp4l0-21swapper/119:07:441
2712025746,6sleep70-21swapper/719:09:357
2712025746,6sleep70-21swapper/719:09:347
2707325443,6sleep40-21swapper/419:08:594
2707325443,6sleep40-21swapper/419:08:594
1881915432,7phc2sys0-21swapper/219:08:432
1881915432,7phc2sys0-21swapper/219:08:422
2690524635,7sleep60-21swapper/619:06:526
2690524635,7sleep60-21swapper/619:06:526
2690224634,7sleep30-21swapper/319:06:493
2690224634,7sleep30-21swapper/319:06:493
111391350,0ptp4l0-21swapper/423:24:074
111391340,1ptp4l19766-21smartctl21:10:191
111391330,0ptp4l0-21swapper/421:39:304
111391320,0ptp4l0-21swapper/422:04:414
111391320,0ptp4l0-21swapper/421:52:164
111391310,0ptp4l0-21swapper/423:10:474
111391310,0ptp4l0-21swapper/421:48:114
111391300,0ptp4l31212-21ssh22:10:251
111391300,0ptp4l18186-21diskmemload22:33:364
111391300,0ptp4l0-21swapper/621:31:486
111391300,0ptp4l0-21swapper/523:55:105
111391300,0ptp4l0-21swapper/521:28:325
111391300,0ptp4l0-21swapper/500:08:205
111391300,0ptp4l0-21swapper/421:42:214
111391300,0ptp4l0-21swapper/421:42:204
111391300,0ptp4l0-21swapper/421:15:454
111391300,0ptp4l0-21swapper/123:41:331
111391300,0ptp4l0-21swapper/122:43:571
111391300,0ptp4l0-21swapper/121:51:541
111391290,0ptp4l18186-21diskmemload23:58:020
111391290,0ptp4l0-21swapper/523:43:565
111391290,0ptp4l0-21swapper/423:59:404
111391290,0ptp4l0-21swapper/422:51:204
111391290,0ptp4l0-21swapper/100:39:321
111391290,0ptp4l0-21swapper/023:27:040
111391290,0ptp4l0-21swapper/023:01:380
111391290,0ptp4l0-21swapper/000:33:460
111391280,2ptp4l0-21swapper/422:20:414
111391280,2ptp4l0-21swapper/100:28:261
111391280,0ptp4l0-21swapper/523:14:305
111391280,0ptp4l0-21swapper/522:10:045
111391280,0ptp4l0-21swapper/423:16:464
111391280,0ptp4l0-21swapper/423:01:404
111391280,0ptp4l0-21swapper/422:42:424
111391280,0ptp4l0-21swapper/422:35:264
111391280,0ptp4l0-21swapper/422:15:344
111391280,0ptp4l0-21swapper/422:05:494
111391280,0ptp4l0-21swapper/400:24:364
111391280,0ptp4l0-21swapper/400:24:354
111391280,0ptp4l0-21swapper/122:57:411
111391280,0ptp4l0-21swapper/121:18:411
111391280,0ptp4l0-21swapper/022:03:230
111391280,0ptp4l0-21swapper/000:01:090
111391270,2ptp4l0-21swapper/521:35:575
111391270,2ptp4l0-21swapper/421:22:284
111391270,2ptp4l0-21swapper/400:00:314
111391270,0ptp4l0-21swapper/523:47:335
111391270,0ptp4l0-21swapper/522:26:545
111391270,0ptp4l0-21swapper/500:26:225
111391270,0ptp4l0-21swapper/422:29:384
111391270,0ptp4l0-21swapper/422:12:324
111391270,0ptp4l0-21swapper/322:14:433
111391270,0ptp4l0-21swapper/223:10:392
111391270,0ptp4l0-21swapper/123:38:271
111391270,0ptp4l0-21swapper/121:30:411
111391270,0ptp4l0-21swapper/022:32:280
111391270,0ptp4l0-21swapper/021:14:330
111391260,0ptp4l31552-21ssh22:11:332
111391260,0ptp4l0-21swapper/523:05:075
111391260,0ptp4l0-21swapper/522:57:315
111391260,0ptp4l0-21swapper/522:43:455
111391260,0ptp4l0-21swapper/522:24:265
111391260,0ptp4l0-21swapper/419:40:154
111391260,0ptp4l0-21swapper/400:25:194
111391260,0ptp4l0-21swapper/400:14:404
111391260,0ptp4l0-21swapper/223:33:352
111391260,0ptp4l0-21swapper/123:14:541
111391260,0ptp4l0-21swapper/123:00:211
111391260,0ptp4l0-21swapper/023:48:410
111391260,0ptp4l0-21swapper/023:07:010
111391260,0ptp4l0-21swapper/022:15:140
111391250,1ptp4l0-21swapper/500:30:475
111391250,0ptp4l0-21swapper/722:14:257
111391250,0ptp4l0-21swapper/621:27:076
111391250,0ptp4l0-21swapper/522:20:005
111391250,0ptp4l0-21swapper/521:30:095
111391250,0ptp4l0-21swapper/521:16:005
111391250,0ptp4l0-21swapper/500:39:595
111391250,0ptp4l0-21swapper/423:35:174
111391250,0ptp4l0-21swapper/423:25:134
111391250,0ptp4l0-21swapper/423:07:454
111391250,0ptp4l0-21swapper/420:10:124
111391250,0ptp4l0-21swapper/419:55:114
111391250,0ptp4l0-21swapper/123:56:001
111391250,0ptp4l0-21swapper/123:50:531
111391250,0ptp4l0-21swapper/123:16:531
111391250,0ptp4l0-21swapper/121:24:121
111391250,0ptp4l0-21swapper/022:06:400
111391250,0ptp4l0-21swapper/021:55:190
111391250,0ptp4l0-21swapper/021:46:470
111391250,0ptp4l0-21swapper/021:17:000
111391250,0ptp4l0-21swapper/020:45:010
111391250,0ptp4l0-21swapper/020:10:170
111391250,0ptp4l0-21swapper/020:04:590
111391250,0ptp4l0-21swapper/019:10:200
111391250,0ptp4l0-21swapper/000:16:290
111391240,2ptp4l0-21swapper/120:15:171
111391240,1ptp4l7608-21df19:35:125
111391240,1ptp4l31223-21/usr/sbin/munin00:30:112
111391240,1ptp4l23092-21cut20:09:594
111391240,1ptp4l15901-21date00:05:204
111391240,1ptp4l15560-21fw_conntrack21:50:125
111391240,1ptp4l15103-21irqstats00:05:151
111391240,1ptp4l13357-21ssh00:02:571
111391240,0ptp4l0-21swapper/722:38:237
111391240,0ptp4l0-21swapper/622:32:526
111391240,0ptp4l0-21swapper/523:36:485
111391240,0ptp4l0-21swapper/521:00:125
111391240,0ptp4l0-21swapper/520:50:115
111391240,0ptp4l0-21swapper/519:50:155
111391240,0ptp4l0-21swapper/423:50:204
111391240,0ptp4l0-21swapper/423:30:124
111391240,0ptp4l0-21swapper/422:45:164
111391240,0ptp4l0-21swapper/420:30:184
111391240,0ptp4l0-21swapper/420:15:154
111391240,0ptp4l0-21swapper/420:00:204
111391240,0ptp4l0-21swapper/400:15:194
111391240,0ptp4l0-21swapper/120:55:121
111391240,0ptp4l0-21swapper/119:50:151
111391240,0ptp4l0-21swapper/023:22:020
111391240,0ptp4l0-21swapper/023:15:170
111391240,0ptp4l0-21swapper/022:55:160
111391240,0ptp4l0-21swapper/022:11:260
111391240,0ptp4l0-21swapper/021:35:010
111391240,0ptp4l0-21swapper/020:15:150
111391240,0ptp4l0-21swapper/000:24:380
111391240,0ptp4l0-21swapper/000:24:380
179922230,0sleep00-21swapper/000:10:130
111391230,1ptp4l2842-21grep19:25:111
111391230,1ptp4l2712-21cpuspeed_turbos20:35:121
111391230,0ptp4l29544-21/usr/sbin/munin21:25:211
111391230,0ptp4l0-21swapper/623:04:206
111391230,0ptp4l0-21swapper/622:50:296
111391230,0ptp4l0-21swapper/622:49:546
111391230,0ptp4l0-21swapper/600:25:136
111391230,0ptp4l0-21swapper/523:25:015
111391230,0ptp4l0-21swapper/523:15:205
111391230,0ptp4l0-21swapper/523:00:005
111391230,0ptp4l0-21swapper/522:30:085
111391230,0ptp4l0-21swapper/522:05:195
111391230,0ptp4l0-21swapper/520:47:115
111391230,0ptp4l0-21swapper/520:35:135
111391230,0ptp4l0-21swapper/520:32:025
111391230,0ptp4l0-21swapper/519:35:015
111391230,0ptp4l0-21swapper/519:25:025
111391230,0ptp4l0-21swapper/519:15:015
111391230,0ptp4l0-21swapper/500:18:585
111391230,0ptp4l0-21swapper/500:01:345
111391230,0ptp4l0-21swapper/423:45:124
111391230,0ptp4l0-21swapper/423:44:564
111391230,0ptp4l0-21swapper/421:55:164
111391230,0ptp4l0-21swapper/421:27:304
111391230,0ptp4l0-21swapper/421:11:174
111391230,0ptp4l0-21swapper/420:20:164
111391230,0ptp4l0-21swapper/419:35:174
111391230,0ptp4l0-21swapper/419:30:114
111391230,0ptp4l0-21swapper/419:20:004
111391230,0ptp4l0-21swapper/400:35:374
111391230,0ptp4l0-21swapper/400:34:294
111391230,0ptp4l0-21swapper/222:32:542
111391230,0ptp4l0-21swapper/122:36:041
111391230,0ptp4l0-21swapper/122:25:051
111391230,0ptp4l0-21swapper/122:05:191
111391230,0ptp4l0-21swapper/120:50:151
111391230,0ptp4l0-21swapper/119:55:151
111391230,0ptp4l0-21swapper/119:50:011
111391230,0ptp4l0-21swapper/119:20:151
111391230,0ptp4l0-21swapper/100:32:181
111391230,0ptp4l0-21swapper/023:50:180
111391230,0ptp4l0-21swapper/023:44:570
111391230,0ptp4l0-21swapper/023:35:120
111391230,0ptp4l0-21swapper/023:30:230
111391230,0ptp4l0-21swapper/022:53:370
111391230,0ptp4l0-21swapper/022:45:100
111391230,0ptp4l0-21swapper/022:40:100
111391230,0ptp4l0-21swapper/022:20:110
111391230,0ptp4l0-21swapper/021:50:220
111391230,0ptp4l0-21swapper/021:40:020
111391230,0ptp4l0-21swapper/021:40:010
111391230,0ptp4l0-21swapper/021:27:100
111391230,0ptp4l0-21swapper/021:20:150
111391230,0ptp4l0-21swapper/021:05:150
111391230,0ptp4l0-21swapper/021:00:180
111391230,0ptp4l0-21swapper/020:45:120
111391230,0ptp4l0-21swapper/020:20:110
111391230,0ptp4l0-21swapper/019:55:110
111391230,0ptp4l0-21swapper/019:45:150
111391230,0ptp4l0-21swapper/019:35:160
111391230,0ptp4l0-21swapper/019:15:170
111391230,0ptp4l0-21swapper/000:35:190
111391230,0ptp4l0-21swapper/000:25:180
111391220,1ptp4l1591-21switchtime19:20:180
111391220,0ptp4l0-21swapper/721:45:127
111391220,0ptp4l0-21swapper/700:27:007
111391220,0ptp4l0-21swapper/623:35:366
111391220,0ptp4l0-21swapper/623:33:396
111391220,0ptp4l0-21swapper/623:22:516
111391220,0ptp4l0-21swapper/623:18:166
111391220,0ptp4l0-21swapper/622:17:516
111391220,0ptp4l0-21swapper/621:43:386
111391220,0ptp4l0-21swapper/621:43:376
111391220,0ptp4l0-21swapper/600:39:096
111391220,0ptp4l0-21swapper/600:30:146
111391220,0ptp4l0-21swapper/600:22:506
111391220,0ptp4l0-21swapper/600:22:496
111391220,0ptp4l0-21swapper/600:19:476
111391220,0ptp4l0-21swapper/600:01:036
111391220,0ptp4l0-21swapper/523:34:365
111391220,0ptp4l0-21swapper/522:54:595
111391220,0ptp4l0-21swapper/522:45:405
111391220,0ptp4l0-21swapper/522:36:125
111391220,0ptp4l0-21swapper/521:20:165
111391220,0ptp4l0-21swapper/521:10:185
111391220,0ptp4l0-21swapper/520:55:195
111391220,0ptp4l0-21swapper/520:42:015
111391220,0ptp4l0-21swapper/520:15:115
111391220,0ptp4l0-21swapper/520:09:545
111391220,0ptp4l0-21swapper/519:58:385
111391220,0ptp4l0-21swapper/422:55:144
111391220,0ptp4l0-21swapper/421:31:114
111391220,0ptp4l0-21swapper/421:05:124
111391220,0ptp4l0-21swapper/420:40:154
111391220,0ptp4l0-21swapper/420:25:174
111391220,0ptp4l0-21swapper/419:45:174
111391220,0ptp4l0-21swapper/419:30:004
111391220,0ptp4l0-21swapper/419:22:464
111391220,0ptp4l0-21swapper/419:10:144
111391220,0ptp4l0-21swapper/321:56:453
111391220,0ptp4l0-21swapper/321:45:113
111391220,0ptp4l0-21swapper/223:35:362
111391220,0ptp4l0-21swapper/222:46:462
111391220,0ptp4l0-21swapper/222:38:572
111391220,0ptp4l0-21swapper/222:27:282
111391220,0ptp4l0-21swapper/222:06:432
111391220,0ptp4l0-21swapper/221:55:252
111391220,0ptp4l0-21swapper/221:46:412
111391220,0ptp4l0-21swapper/221:43:372
111391220,0ptp4l0-21swapper/221:43:362
111391220,0ptp4l0-21swapper/221:31:422
111391220,0ptp4l0-21swapper/221:26:552
111391220,0ptp4l0-21swapper/200:25:582
111391220,0ptp4l0-21swapper/200:19:472
111391220,0ptp4l0-21swapper/123:47:021
111391220,0ptp4l0-21swapper/123:32:071
111391220,0ptp4l0-21swapper/123:24:341
111391220,0ptp4l0-21swapper/122:54:231
111391220,0ptp4l0-21swapper/122:34:101
111391220,0ptp4l0-21swapper/122:22:561
111391220,0ptp4l0-21swapper/122:15:231
111391220,0ptp4l0-21swapper/121:49:091
111391220,0ptp4l0-21swapper/121:35:531
111391220,0ptp4l0-21swapper/121:00:151
111391220,0ptp4l0-21swapper/120:14:591
111391220,0ptp4l0-21swapper/119:43:061
111391220,0ptp4l0-21swapper/119:15:011
111391220,0ptp4l0-21swapper/119:11:551
111391220,0ptp4l0-21swapper/100:18:341
111391220,0ptp4l0-21swapper/023:10:090
111391220,0ptp4l0-21swapper/022:35:180
111391220,0ptp4l0-21swapper/022:28:540
111391220,0ptp4l0-21swapper/021:35:130
111391220,0ptp4l0-21swapper/020:25:110
111391220,0ptp4l0-21swapper/020:05:140
111391220,0ptp4l0-21swapper/019:40:130
111391220,0ptp4l0-21swapper/019:30:010
111391220,0ptp4l0-21swapper/019:26:380
111391220,0ptp4l0-21swapper/000:05:210
111391210,3ptp4l0-21swapper/519:43:255
111391210,0ptp4l0-21swapper/721:56:267
111391210,0ptp4l0-21swapper/623:08:466
111391210,0ptp4l0-21swapper/622:38:556
111391210,0ptp4l0-21swapper/622:21:176
111391210,0ptp4l0-21swapper/621:55:226
111391210,0ptp4l0-21swapper/620:47:456
111391210,0ptp4l0-21swapper/522:01:115
111391210,0ptp4l0-21swapper/521:48:575
111391210,0ptp4l0-21swapper/500:20:425
111391210,0ptp4l0-21swapper/500:20:425
111391210,0ptp4l0-21swapper/500:10:045
111391210,0ptp4l0-21swapper/322:38:273
111391210,0ptp4l0-21swapper/322:27:493
111391210,0ptp4l0-21swapper/319:23:113
111391210,0ptp4l0-21swapper/300:27:013
111391210,0ptp4l0-21swapper/223:58:492
111391210,0ptp4l0-21swapper/223:20:562
111391210,0ptp4l0-21swapper/223:19:092
111391210,0ptp4l0-21swapper/219:20:212
111391210,0ptp4l0-21swapper/200:39:052
111391210,0ptp4l0-21swapper/200:22:472
111391210,0ptp4l0-21swapper/200:22:462
111391210,0ptp4l0-21swapper/200:07:352
111391210,0ptp4l0-21swapper/123:26:081
111391210,0ptp4l0-21swapper/123:05:321
111391210,0ptp4l0-21swapper/122:00:031
111391210,0ptp4l0-21swapper/121:08:561
111391210,0ptp4l0-21swapper/100:20:431
111391210,0ptp4l0-21swapper/100:20:421
111391210,0ptp4l0-21swapper/020:55:570
111391210,0ptp4l0-21swapper/020:38:480
111391210,0ptp4l0-21swapper/020:30:000
111391200,0ptp4l0-21swapper/722:27:427
111391200,0ptp4l0-21swapper/719:23:437
111391200,0ptp4l0-21swapper/623:10:136
111391200,0ptp4l0-21swapper/622:56:186
111391200,0ptp4l0-21swapper/622:28:576
111391200,0ptp4l0-21swapper/521:58:065
111391200,0ptp4l0-21swapper/519:48:565
111391200,0ptp4l0-21swapper/519:24:565
111391200,0ptp4l0-21swapper/519:12:105
111391200,0ptp4l0-21swapper/421:00:204
111391200,0ptp4l0-21swapper/420:56:044
111391200,0ptp4l0-21swapper/420:45:134
111391200,0ptp4l0-21swapper/420:38:104
111391200,0ptp4l0-21swapper/319:13:563
111391200,0ptp4l0-21swapper/223:08:482
111391200,0ptp4l0-21swapper/222:21:072
111391200,0ptp4l0-21swapper/222:19:152
111391200,0ptp4l0-21swapper/121:43:091
111391200,0ptp4l0-21swapper/121:43:091
111391200,0ptp4l0-21swapper/120:46:331
111391200,0ptp4l0-21swapper/120:30:151
111391200,0ptp4l0-21swapper/120:22:221
111391200,0ptp4l0-21swapper/120:06:031
111391200,0ptp4l0-21swapper/100:13:561
111391200,0ptp4l0-21swapper/020:52:190
111391190,2ptp4l0-21swapper/520:01:185
111391190,0ptp4l0-21swapper/523:50:545
111391190,0ptp4l0-21swapper/222:56:182
111391190,0ptp4l0-21swapper/219:44:012
111391190,0ptp4l0-21swapper/122:45:371
111391190,0ptp4l0-21swapper/121:58:031
111391190,0ptp4l0-21swapper/120:40:351
273372180,1sleep3401ktimersoftd/322:50:203
111391180,0ptp4l0-21swapper/622:11:326
111391180,0ptp4l0-21swapper/523:25:065
111391180,0ptp4l0-21swapper/222:50:272
111391180,0ptp4l0-21swapper/222:43:202
111391170,2ptp4l0-21swapper/119:33:181
111391170,0ptp4l0-21swapper/621:46:416
111391170,0ptp4l0-21swapper/619:44:026
111391170,0ptp4l0-21swapper/521:43:155
111391170,0ptp4l0-21swapper/521:43:155
111391170,0ptp4l0-21swapper/220:11:172
111391160,2ptp4l0-21swapper/620:17:486
111391160,0ptp4l0-21swapper/719:13:577
111391160,0ptp4l0-21swapper/521:06:145
111391160,0ptp4l0-21swapper/223:51:392
111391160,0ptp4l0-21swapper/220:34:172
111391160,0ptp4l0-21swapper/119:35:181
111391150,0ptp4l0-21swapper/719:52:307
111391150,0ptp4l0-21swapper/621:05:106
111391150,0ptp4l0-21swapper/621:04:206
111391150,0ptp4l0-21swapper/620:34:186
111391150,0ptp4l0-21swapper/620:10:346
111391150,0ptp4l0-21swapper/620:02:346
111391150,0ptp4l0-21swapper/619:36:416
111391150,0ptp4l0-21swapper/619:20:196
111391150,0ptp4l0-21swapper/600:07:346
111391150,0ptp4l0-21swapper/520:25:425
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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