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2026-07-08 - 13:29

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 Wed Jul 08, 2026 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2441821140,3sleep125-21ksoftirqd/119:05:171
83612640,0sleep30-21swapper/319:40:113
248892610,0sleep30-21swapper/322:00:123
50842600,0sleep10-21swapper/122:56:171
111391600,2ptp4l0-21swapper/419:07:534
111391600,29ptp4l0-21swapper/019:07:030
137822580,0sleep113781-21cat23:50:001
2551625646,6sleep70-21swapper/719:08:287
2555625432,7sleep30-21swapper/319:08:563
2530024939,6sleep20-21swapper/219:05:342
111391490,6ptp4l0-21swapper/519:05:065
2525924533,7sleep60-21swapper/619:05:236
111391350,4ptp4l6026-21expr21:35:174
111391340,1ptp4l24225-21sed23:20:195
111391320,0ptp4l16668-21diskmemload22:53:391
111391320,0ptp4l0-21swapper/519:30:125
111391320,0ptp4l0-21swapper/000:00:010
111391310,0ptp4l0-21swapper/421:16:174
111391310,0ptp4l0-21swapper/421:15:004
111391300,1ptp4l15424-21/usr/sbin/munin21:05:154
111391300,0ptp4l0-21swapper/523:25:175
111391300,0ptp4l0-21swapper/423:15:154
111391300,0ptp4l0-21swapper/422:04:094
111391300,0ptp4l0-21swapper/022:50:200
111391290,0ptp4l0-21swapper/723:10:177
111391290,0ptp4l0-21swapper/723:09:417
111391290,0ptp4l0-21swapper/600:22:356
111391290,0ptp4l0-21swapper/519:40:145
111391290,0ptp4l0-21swapper/422:20:034
111391290,0ptp4l0-21swapper/422:05:104
111391290,0ptp4l0-21swapper/400:37:294
111391290,0ptp4l0-21swapper/023:46:360
111391290,0ptp4l0-21swapper/021:59:550
111391290,0ptp4l0-21swapper/021:45:490
111391290,0ptp4l0-21swapper/021:30:130
111391290,0ptp4l0-21swapper/021:22:040
111391290,0ptp4l0-21swapper/000:32:190
111391290,0ptp4l0-21swapper/000:06:350
111391280,0ptp4l0-21swapper/723:28:557
111391280,0ptp4l0-21swapper/700:11:537
111391280,0ptp4l0-21swapper/523:30:035
111391280,0ptp4l0-21swapper/523:30:035
111391280,0ptp4l0-21swapper/500:16:575
111391280,0ptp4l0-21swapper/423:10:314
111391280,0ptp4l0-21swapper/423:06:484
111391280,0ptp4l0-21swapper/422:17:214
111391280,0ptp4l0-21swapper/421:54:464
111391280,0ptp4l0-21swapper/123:25:321
111391280,0ptp4l0-21swapper/100:25:211
111391280,0ptp4l0-21swapper/023:42:430
111391280,0ptp4l0-21swapper/021:15:140
111391270,0ptp4l0-21swapper/522:17:265
111391270,0ptp4l0-21swapper/519:16:205
111391270,0ptp4l0-21swapper/500:20:335
111391270,0ptp4l0-21swapper/422:10:454
111391270,0ptp4l0-21swapper/421:56:594
111391270,0ptp4l0-21swapper/421:33:144
111391270,0ptp4l0-21swapper/421:27:354
111391270,0ptp4l0-21swapper/122:33:191
111391270,0ptp4l0-21swapper/121:51:271
111391270,0ptp4l0-21swapper/100:39:381
111391270,0ptp4l0-21swapper/100:24:391
111391270,0ptp4l0-21swapper/022:27:330
111391270,0ptp4l0-21swapper/022:12:330
111391260,1ptp4l2068-21smart_sda20:35:195
111391260,0ptp4l0-21swapper/523:16:325
111391260,0ptp4l0-21swapper/523:02:065
111391260,0ptp4l0-21swapper/522:39:255
111391260,0ptp4l0-21swapper/522:08:505
111391260,0ptp4l0-21swapper/500:32:445
111391260,0ptp4l0-21swapper/500:05:165
111391260,0ptp4l0-21swapper/423:58:104
111391260,0ptp4l0-21swapper/423:37:544
111391260,0ptp4l0-21swapper/422:45:404
111391260,0ptp4l0-21swapper/420:40:214
111391260,0ptp4l0-21swapper/400:00:204
111391260,0ptp4l0-21swapper/122:22:411
111391260,0ptp4l0-21swapper/122:17:541
111391260,0ptp4l0-21swapper/121:12:241
111391260,0ptp4l0-21swapper/100:02:001
111391260,0ptp4l0-21swapper/023:22:430
111391260,0ptp4l0-21swapper/022:56:560
111391260,0ptp4l0-21swapper/022:00:020
111391260,0ptp4l0-21swapper/021:53:090
111391260,0ptp4l0-21swapper/021:35:550
111391260,0ptp4l0-21swapper/000:14:150
111391260,0ptp4l0-21swapper/000:03:480
111391250,3ptp4l481ktimersoftd/400:28:234
111391250,3ptp4l0-21swapper/022:31:230
111391250,1ptp4l23789-21munin-run20:15:004
111391250,1ptp4l14825-21latency_hist19:55:000
111391250,0ptp4l0-21swapper/721:40:207
111391250,0ptp4l0-21swapper/621:51:146
111391250,0ptp4l0-21swapper/522:53:105
111391250,0ptp4l0-21swapper/521:55:135
111391250,0ptp4l0-21swapper/521:23:015
111391250,0ptp4l0-21swapper/519:35:135
111391250,0ptp4l0-21swapper/500:35:195
111391250,0ptp4l0-21swapper/421:47:414
111391250,0ptp4l0-21swapper/421:20:154
111391250,0ptp4l0-21swapper/420:05:204
111391250,0ptp4l0-21swapper/400:30:134
111391250,0ptp4l0-21swapper/400:24:434
111391250,0ptp4l0-21swapper/400:14:094
111391250,0ptp4l0-21swapper/321:35:203
111391250,0ptp4l0-21swapper/222:35:152
111391250,0ptp4l0-21swapper/123:50:561
111391250,0ptp4l0-21swapper/123:00:131
111391250,0ptp4l0-21swapper/122:47:481
111391250,0ptp4l0-21swapper/122:41:371
111391250,0ptp4l0-21swapper/121:15:541
111391250,0ptp4l0-21swapper/100:15:201
111391250,0ptp4l0-21swapper/022:39:510
111391250,0ptp4l0-21swapper/021:40:580
111391240,1ptp4l9160-21diskstats00:25:135
111391240,1ptp4l7951-21cpuspeed_turbos20:50:111
111391240,1ptp4l7951-21cpuspeed_turbos20:50:111
111391240,1ptp4l5840-21df_inode20:45:124
111391240,1ptp4l5067-21/usr/sbin/munin19:30:211
111391240,1ptp4l4613-21if_err_virbr0-n22:15:160
111391240,1ptp4l30891-21users21:25:210
111391240,1ptp4l30826-21/usr/sbin/munin23:30:091
111391240,1ptp4l30826-21/usr/sbin/munin23:30:091
111391240,1ptp4l27570-21smartctl20:20:201
111391240,1ptp4l26182-21cpu19:10:105
111391240,1ptp4l21639-21memory21:55:171
111391240,1ptp4l20511-21nfs4_client20:05:170
111391240,1ptp4l12695-21grep21:00:110
111391240,0ptp4l0-21swapper/723:39:317
111391240,0ptp4l0-21swapper/721:21:577
111391240,0ptp4l0-21swapper/522:26:095
111391240,0ptp4l0-21swapper/521:13:325
111391240,0ptp4l0-21swapper/519:25:125
111391240,0ptp4l0-21swapper/519:20:115
111391240,0ptp4l0-21swapper/500:11:365
111391240,0ptp4l0-21swapper/423:44:464
111391240,0ptp4l0-21swapper/423:23:554
111391240,0ptp4l0-21swapper/422:31:404
111391240,0ptp4l0-21swapper/422:25:164
111391240,0ptp4l0-21swapper/322:55:203
111391240,0ptp4l0-21swapper/123:37:391
111391240,0ptp4l0-21swapper/123:20:261
111391240,0ptp4l0-21swapper/100:33:041
111391240,0ptp4l0-21swapper/100:11:351
111391240,0ptp4l0-21swapper/023:31:590
111391240,0ptp4l0-21swapper/023:31:590
111391240,0ptp4l0-21swapper/023:05:030
111391240,0ptp4l0-21swapper/023:04:550
111391240,0ptp4l0-21swapper/022:47:460
111391240,0ptp4l0-21swapper/020:55:130
111391240,0ptp4l0-21swapper/020:55:130
111391240,0ptp4l0-21swapper/020:13:190
111391230,1ptp4l11758-21chrt21:43:234
111391230,0ptp4l29784-21memory19:15:194
111391230,0ptp4l16317-21sed23:10:205
111391230,0ptp4l0-21swapper/722:48:457
111391230,0ptp4l0-21swapper/720:25:157
111391230,0ptp4l0-21swapper/522:58:585
111391230,0ptp4l0-21swapper/521:55:005
111391230,0ptp4l0-21swapper/423:50:224
111391230,0ptp4l0-21swapper/422:50:204
111391230,0ptp4l0-21swapper/422:35:124
111391230,0ptp4l0-21swapper/420:55:324
111391230,0ptp4l0-21swapper/420:55:324
111391230,0ptp4l0-21swapper/420:30:224
111391230,0ptp4l0-21swapper/420:15:154
111391230,0ptp4l0-21swapper/419:55:174
111391230,0ptp4l0-21swapper/419:50:154
111391230,0ptp4l0-21swapper/323:47:053
111391230,0ptp4l0-21swapper/323:13:153
111391230,0ptp4l0-21swapper/323:09:333
111391230,0ptp4l0-21swapper/322:51:403
111391230,0ptp4l0-21swapper/321:25:223
111391230,0ptp4l0-21swapper/123:16:551
111391230,0ptp4l0-21swapper/122:25:491
111391230,0ptp4l0-21swapper/120:35:201
111391230,0ptp4l0-21swapper/119:45:161
111391230,0ptp4l0-21swapper/119:40:151
111391230,0ptp4l0-21swapper/119:35:141
111391230,0ptp4l0-21swapper/119:10:281
111391230,0ptp4l0-21swapper/023:50:180
111391230,0ptp4l0-21swapper/023:18:420
111391230,0ptp4l0-21swapper/023:10:310
111391230,0ptp4l0-21swapper/022:05:180
111391230,0ptp4l0-21swapper/021:10:160
111391230,0ptp4l0-21swapper/021:05:150
111391230,0ptp4l0-21swapper/020:15:140
111391230,0ptp4l0-21swapper/020:00:130
111391230,0ptp4l0-21swapper/019:55:190
111391230,0ptp4l0-21swapper/019:15:010
111391230,0ptp4l0-21swapper/000:20:180
111391220,1ptp4l1-21systemd20:05:401
111391220,1ptp4l11434-21ssh00:27:550
111391220,0ptp4l3225-21kworker/u16:121:47:501
111391220,0ptp4l16668-21diskmemload23:45:367
111391220,0ptp4l0-21swapper/723:32:437
111391220,0ptp4l0-21swapper/723:32:437
111391220,0ptp4l0-21swapper/723:17:227
111391220,0ptp4l0-21swapper/722:55:007
111391220,0ptp4l0-21swapper/722:51:377
111391220,0ptp4l0-21swapper/623:29:516
111391220,0ptp4l0-21swapper/623:12:226
111391220,0ptp4l0-21swapper/622:35:156
111391220,0ptp4l0-21swapper/622:03:566
111391220,0ptp4l0-21swapper/621:55:426
111391220,0ptp4l0-21swapper/621:13:146
111391220,0ptp4l0-21swapper/600:34:316
111391220,0ptp4l0-21swapper/523:51:375
111391220,0ptp4l0-21swapper/523:47:555
111391220,0ptp4l0-21swapper/523:43:365
111391220,0ptp4l0-21swapper/523:07:375
111391220,0ptp4l0-21swapper/522:34:585
111391220,0ptp4l0-21swapper/522:21:515
111391220,0ptp4l0-21swapper/522:00:575
111391220,0ptp4l0-21swapper/521:34:515
111391220,0ptp4l0-21swapper/521:28:485
111391220,0ptp4l0-21swapper/521:15:155
111391220,0ptp4l0-21swapper/520:50:125
111391220,0ptp4l0-21swapper/520:50:125
111391220,0ptp4l0-21swapper/520:25:105
111391220,0ptp4l0-21swapper/519:45:155
111391220,0ptp4l0-21swapper/500:01:485
111391220,0ptp4l0-21swapper/423:45:124
111391220,0ptp4l0-21swapper/423:30:204
111391220,0ptp4l0-21swapper/423:30:194
111391220,0ptp4l0-21swapper/423:26:034
111391220,0ptp4l0-21swapper/423:00:374
111391220,0ptp4l0-21swapper/422:56:574
111391220,0ptp4l0-21swapper/422:40:134
111391220,0ptp4l0-21swapper/421:00:124
111391220,0ptp4l0-21swapper/420:39:434
111391220,0ptp4l0-21swapper/420:20:154
111391220,0ptp4l0-21swapper/420:00:124
111391220,0ptp4l0-21swapper/419:45:194
111391220,0ptp4l0-21swapper/419:41:354
111391220,0ptp4l0-21swapper/419:35:214
111391220,0ptp4l0-21swapper/400:16:434
111391220,0ptp4l0-21swapper/400:06:444
111391220,0ptp4l0-21swapper/323:17:273
111391220,0ptp4l0-21swapper/323:04:073
111391220,0ptp4l0-21swapper/321:40:123
111391220,0ptp4l0-21swapper/221:51:092
111391220,0ptp4l0-21swapper/200:34:292
111391220,0ptp4l0-21swapper/123:11:151
111391220,0ptp4l0-21swapper/123:05:571
111391220,0ptp4l0-21swapper/122:38:271
111391220,0ptp4l0-21swapper/122:11:591
111391220,0ptp4l0-21swapper/122:08:411
111391220,0ptp4l0-21swapper/122:00:541
111391220,0ptp4l0-21swapper/121:26:571
111391220,0ptp4l0-21swapper/120:25:101
111391220,0ptp4l0-21swapper/119:25:131
111391220,0ptp4l0-21swapper/119:20:201
111391220,0ptp4l0-21swapper/119:19:061
111391220,0ptp4l0-21swapper/100:05:151
111391220,0ptp4l0-21swapper/023:35:150
111391220,0ptp4l0-21swapper/023:26:420
111391220,0ptp4l0-21swapper/022:40:120
111391220,0ptp4l0-21swapper/022:20:120
111391220,0ptp4l0-21swapper/020:45:120
111391220,0ptp4l0-21swapper/020:40:150
111391220,0ptp4l0-21swapper/020:30:120
111391220,0ptp4l0-21swapper/020:25:120
111391220,0ptp4l0-21swapper/020:20:140
111391220,0ptp4l0-21swapper/019:41:190
111391220,0ptp4l0-21swapper/000:37:180
111391220,0ptp4l0-21swapper/000:16:420
25930992117,2cyclictest5416-21fw_forwarded_lo21:35:135
111391210,0ptp4l0-21swapper/722:04:527
111391210,0ptp4l0-21swapper/600:38:546
111391210,0ptp4l0-21swapper/600:29:006
111391210,0ptp4l0-21swapper/523:59:395
111391210,0ptp4l0-21swapper/523:36:115
111391210,0ptp4l0-21swapper/522:48:275
111391210,0ptp4l0-21swapper/522:41:385
111391210,0ptp4l0-21swapper/521:48:515
111391210,0ptp4l0-21swapper/521:02:485
111391210,0ptp4l0-21swapper/520:20:185
111391210,0ptp4l0-21swapper/520:16:565
111391210,0ptp4l0-21swapper/519:52:495
111391210,0ptp4l0-21swapper/419:10:004
111391210,0ptp4l0-21swapper/323:39:033
111391210,0ptp4l0-21swapper/323:32:353
111391210,0ptp4l0-21swapper/323:32:353
111391210,0ptp4l0-21swapper/323:29:003
111391210,0ptp4l0-21swapper/322:48:473
111391210,0ptp4l0-21swapper/321:21:543
111391210,0ptp4l0-21swapper/319:15:333
111391210,0ptp4l0-21swapper/222:29:422
111391210,0ptp4l0-21swapper/221:29:292
111391210,0ptp4l0-21swapper/221:13:142
111391210,0ptp4l0-21swapper/200:22:332
111391210,0ptp4l0-21swapper/200:17:142
111391210,0ptp4l0-21swapper/123:59:251
111391210,0ptp4l0-21swapper/123:42:311
111391210,0ptp4l0-21swapper/121:42:411
111391210,0ptp4l0-21swapper/121:39:591
111391210,0ptp4l0-21swapper/121:34:411
111391210,0ptp4l0-21swapper/121:23:201
111391210,0ptp4l0-21swapper/120:10:561
111391210,0ptp4l0-21swapper/120:01:311
111391210,0ptp4l0-21swapper/119:55:391
111391210,0ptp4l0-21swapper/119:50:381
111391210,0ptp4l0-21swapper/020:35:120
111391210,0ptp4l0-21swapper/019:35:200
111391210,0ptp4l0-21swapper/019:25:200
111391200,0ptp4l16668-21diskmemload23:04:047
111391200,0ptp4l0-21swapper/723:40:067
111391200,0ptp4l0-21swapper/721:35:217
111391200,0ptp4l0-21swapper/622:29:406
111391200,0ptp4l0-21swapper/621:29:336
111391200,0ptp4l0-21swapper/621:09:026
111391200,0ptp4l0-21swapper/600:16:386
111391200,0ptp4l0-21swapper/521:42:395
111391200,0ptp4l0-21swapper/420:53:364
111391200,0ptp4l0-21swapper/420:53:364
111391200,0ptp4l0-21swapper/420:28:374
111391200,0ptp4l0-21swapper/419:26:314
111391200,0ptp4l0-21swapper/323:40:043
111391200,0ptp4l0-21swapper/223:12:182
111391200,0ptp4l0-21swapper/222:02:212
111391200,0ptp4l0-21swapper/220:43:592
111391200,0ptp4l0-21swapper/220:31:322
111391200,0ptp4l0-21swapper/200:28:002
111391200,0ptp4l0-21swapper/020:52:320
111391200,0ptp4l0-21swapper/020:52:320
111391200,0ptp4l0-21swapper/019:45:130
111391200,0ptp4l0-21swapper/019:22:080
111391190,2ptp4l0-21swapper/521:07:525
111391190,0ptp4l0-21swapper/522:13:475
111391190,0ptp4l0-21swapper/520:48:315
111391190,0ptp4l0-21swapper/419:34:584
111391190,0ptp4l0-21swapper/320:25:163
111391190,0ptp4l0-21swapper/320:11:313
111391190,0ptp4l0-21swapper/223:29:422
111391190,0ptp4l0-21swapper/221:55:432
111391190,0ptp4l0-21swapper/200:38:572
111391190,0ptp4l0-21swapper/120:16:321
303362180,0sleep6631rcuc/600:10:176
2592499180,4cyclictest0-21swapper/419:23:474
111391180,0ptp4l0-21swapper/520:01:315
111391180,0ptp4l0-21swapper/121:03:581
111391180,0ptp4l0-21swapper/019:34:530
111391170,1ptp4l41-21ksoftirqd/320:21:393
111391170,0ptp4l0-21swapper/721:25:237
111391170,0ptp4l0-21swapper/622:15:246
111391170,0ptp4l0-21swapper/320:35:223
111391170,0ptp4l0-21swapper/220:49:352
111391170,0ptp4l0-21swapper/121:06:051
111391160,0ptp4l16668-21diskmemload22:15:232
111391160,0ptp4l0-21swapper/720:35:217
111391160,0ptp4l0-21swapper/720:11:487
111391160,0ptp4l0-21swapper/520:06:175
111391160,0ptp4l0-21swapper/221:40:552
111391160,0ptp4l0-21swapper/120:42:151
2593899150,2cyclictest0-21swapper/620:25:136
111391150,0ptp4l0-21swapper/720:56:007
111391150,0ptp4l0-21swapper/720:56:007
111391150,0ptp4l0-21swapper/720:20:397
111391150,0ptp4l0-21swapper/719:15:307
111391150,0ptp4l0-21swapper/620:49:346
111391150,0ptp4l0-21swapper/620:36:466
111391150,0ptp4l0-21swapper/620:31:336
111391150,0ptp4l0-21swapper/620:21:056
111391150,0ptp4l0-21swapper/620:12:036
111391150,0ptp4l0-21swapper/620:05:066
111391150,0ptp4l0-21swapper/619:15:376
111391150,0ptp4l0-21swapper/520:56:365
111391150,0ptp4l0-21swapper/520:56:365
111391150,0ptp4l0-21swapper/520:43:215
111391150,0ptp4l0-21swapper/520:32:565
111391150,0ptp4l0-21swapper/520:10:525
111391150,0ptp4l0-21swapper/519:55:355
111391150,0ptp4l0-21swapper/320:55:593
111391150,0ptp4l0-21swapper/320:55:583
111391150,0ptp4l0-21swapper/300:11:533
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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