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2026-08-22 - 21:27
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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 all highest latencies:
System rack0slot2.osadl.org (updated Sat Aug 22, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10705225948,7sleep40-21swapper/407:04:484
10718225722,30sleep70-21swapper/707:06:367
107550994843,4cyclictest662157-21latency_hist11:17:267
107550994742,4cyclictest649869-21latency_hist11:12:277
107546994541,3cyclictest660557-21kworker/u16:0+events_unbound11:16:196
10723624535,7sleep50-21swapper/507:07:225
107550994029,1cyclictest772114-21ssh12:02:257
107550993934,4cyclictest344413-21diskmemload11:49:527
107539993936,2cyclictest53191-21kworker/u16:0+events_unbound07:27:294
107550993836,1cyclictest344413-21diskmemload09:29:417
107550993836,1cyclictest0-21swapper/711:37:167
107550993834,3cyclictest794791-21ssh12:09:137
107539993836,2cyclictest796970-21kworker/u16:4+events_unbound12:34:084
107550993736,0cyclictest0-21swapper/710:47:287
107546993735,2cyclictest562590-21kworker/u16:1+events_unbound10:46:126
107546993735,2cyclictest562590-21kworker/u16:1+events_unbound10:46:126
107546993735,2cyclictest188811-21kworker/u16:3+events_unbound08:02:286
107539993634,2cyclictest661562-21kworker/u16:5+events_unbound11:50:534
107550993534,0cyclictest0-21swapper/710:55:097
107546993533,2cyclictest562590-21kworker/u16:1+events_unbound10:41:056
107546993533,2cyclictest442653-21kworker/u16:4+events_unbound10:24:226
107542993533,2cyclictest587664-21kworker/u16:2+flush-8:010:52:525
107542993533,2cyclictest542176-21kworker/u16:0+events_unbound10:47:445
107542993533,2cyclictest405486-21kworker/u16:2+flush-8:009:47:225
107539993533,2cyclictest818585-21kworker/u16:0+events_unbound12:32:054
107539993533,2cyclictest587664-21kworker/u16:2+events_unbound10:59:214
107539993533,2cyclictest562590-21kworker/u16:1+events_unbound10:48:524
107539993533,2cyclictest405486-21kworker/u16:2+events_unbound10:07:284
107539993533,2cyclictest405486-21kworker/u16:2+events_unbound09:58:424
107539993532,2cyclictest711613-21kworker/u16:3+events_unbound12:02:274
107539993532,2cyclictest711613-21kworker/u16:3+events_unbound12:02:274
107539993532,2cyclictest661562-21kworker/u16:5+flush-8:011:29:454
107539993532,2cyclictest149837-21kworker/u16:2+flush-8:007:37:294
107550993433,0cyclictest0-21swapper/711:03:537
107542993432,2cyclictest661561-21kworker/u16:4+events_unbound11:20:245
107539993432,2cyclictest587664-21kworker/u16:2+events_unbound10:53:004
107539993432,2cyclictest526293-21kworker/u16:2+events_unbound10:29:494
107539993432,2cyclictest442652-21kworker/u16:3+flush-8:009:55:334
107550993332,0cyclictest0-21swapper/711:20:167
107550993332,0cyclictest0-21swapper/710:58:137
107550993332,0cyclictest0-21swapper/709:40:017
107550993331,1cyclictest783132-21ssh12:05:137
107550993331,1cyclictest783132-21ssh12:05:137
107539993331,2cyclictest769936-21kworker/u16:2+events_unbound12:09:054
107539993331,2cyclictest735687-21kworker/u16:1+events_unbound11:59:214
107539993331,2cyclictest711613-21kworker/u16:3+events_unbound12:15:484
107539993331,2cyclictest709289-21kworker/u16:0+events_unbound11:37:044
107539993331,2cyclictest660557-21kworker/u16:0+events_unbound11:25:444
107539993331,2cyclictest660557-21kworker/u16:0+events_unbound11:25:444
107539993331,2cyclictest542176-21kworker/u16:0+events_unbound10:36:534
107539993331,2cyclictest417854-21kworker/u16:0+flush-8:010:18:564
107550993231,0cyclictest0-21swapper/712:34:247
107550993231,0cyclictest0-21swapper/710:23:207
107550993231,0cyclictest0-21swapper/710:00:497
107550993230,1cyclictest344413-21diskmemload11:29:097
107550993230,1cyclictest0-21swapper/712:29:297
107550993230,1cyclictest0-21swapper/712:14:327
107546993230,2cyclictest587664-21kworker/u16:2+events_unbound10:58:486
107546993230,2cyclictest562590-21kworker/u16:1+events_unbound10:50:026
107542993229,2cyclictest379896-21kworker/u16:0+events_unbound09:27:365
107539993230,2cyclictest711613-21kworker/u16:3+events_unbound11:41:444
107539993230,2cyclictest661561-21kworker/u16:4+flush-8:011:18:094
107539993230,2cyclictest542176-21kworker/u16:0+events_unbound10:38:174
107539993230,2cyclictest442653-21kworker/u16:4+events_unbound10:17:014
107539993230,2cyclictest417854-21kworker/u16:0+events_unbound10:03:534
107539993230,2cyclictest417854-21kworker/u16:0+events_unbound10:03:534
107539993230,2cyclictest417854-21kworker/u16:0+events_unbound09:50:184
107539993230,2cyclictest405486-21kworker/u16:2+flush-8:009:46:414
107539993230,2cyclictest379896-21kworker/u16:0+events_unbound09:31:134
107539993230,2cyclictest334392-21kworker/u16:4+events_unbound09:16:324
107539993229,2cyclictest709289-21kworker/u16:0+flush-8:011:43:404
107550993130,0cyclictest0-21swapper/712:19:487
107550993130,0cyclictest0-21swapper/710:31:057
107550993130,0cyclictest0-21swapper/710:20:027
107550993129,1cyclictest722355-21ssh11:40:337
107546993129,2cyclictest418245-21kworker/u16:5+events_unbound09:38:136
107542993129,2cyclictest735687-21kworker/u16:1+flush-8:012:00:085
107542993129,2cyclictest392786-21kworker/u16:1+flush-8:009:35:255
107539993129,2cyclictest711613-21kworker/u16:3+events_unbound11:54:284
107539993129,2cyclictest562590-21kworker/u16:1+events_unbound11:14:014
107539993129,2cyclictest562590-21kworker/u16:1+events_unbound11:11:564
107539993129,2cyclictest513996-21kworker/u16:1+events_unbound10:23:164
107539993129,2cyclictest314922-21kworker/u16:2+flush-8:009:18:414
1070162317,7sleep60-21swapper/607:04:186
107550993029,0cyclictest0-21swapper/712:24:127
107550993029,0cyclictest0-21swapper/710:33:047
107550993029,0cyclictest0-21swapper/710:12:047
107550993029,0cyclictest0-21swapper/709:35:047
107546993028,2cyclictest818585-21kworker/u16:0+events_unbound12:24:406
107546993028,2cyclictest562590-21kworker/u16:1+events_unbound11:09:216
107546993028,2cyclictest418245-21kworker/u16:5+events_unbound09:44:406
107546993028,2cyclictest285150-21kworker/u16:0+flush-8:008:52:546
107542993028,2cyclictest711613-21kworker/u16:3+flush-8:012:20:375
107539993028,2cyclictest635818-21kworker/u16:0+events_unbound11:05:444
107539993028,2cyclictest587664-21kworker/u16:2+events_unbound10:45:254
107539993028,2cyclictest587664-21kworker/u16:2+events_unbound10:45:254
107539993028,2cyclictest314922-21kworker/u16:2+events_unbound09:23:324
107539993028,2cyclictest314922-21kworker/u16:2+events_unbound09:23:324
107550992928,0cyclictest0-21swapper/711:56:457
107550992928,0cyclictest0-21swapper/711:43:127
107550992928,0cyclictest0-21swapper/710:03:457
107550992928,0cyclictest0-21swapper/710:03:457
107550992928,0cyclictest0-21swapper/709:53:207
107550992928,0cyclictest0-21swapper/709:22:577
107550992928,0cyclictest0-21swapper/709:22:577
107550992927,1cyclictest344413-21diskmemload09:19:457
107546992927,2cyclictest711613-21kworker/u16:3+events_unbound12:07:006
107546992927,2cyclictest711613-21kworker/u16:3+events_unbound12:07:006
107542992927,2cyclictest635818-21kworker/u16:0+events_unbound11:06:375
107542992927,2cyclictest513996-21kworker/u16:1+events_unbound10:18:385
107539992927,2cyclictest295875-21kworker/u16:3+events_unbound09:10:224
107550992827,0cyclictest0-21swapper/707:35:377
107550992826,1cyclictest367206-21ssh09:14:307
107546992826,2cyclictest796970-21kworker/u16:4+events_unbound12:13:556
107546992826,2cyclictest366531-21kworker/u16:1+events_unbound09:19:496
107546992825,2cyclictest344157-21kworker/u16:0+flush-8:009:07:326
107542992826,2cyclictest818585-21kworker/u16:0+flush-8:012:22:565
107542992826,2cyclictest711613-21kworker/u16:3+events_unbound11:50:085
107542992826,2cyclictest696690-21kworker/u16:1+events_unbound11:34:365
107542992826,2cyclictest562590-21kworker/u16:1+flush-8:010:40:365
107542992826,2cyclictest542176-21kworker/u16:0+events_unbound10:28:385
107542992826,2cyclictest417854-21kworker/u16:0+flush-8:009:50:365
107539992827,1cyclictest818585-21kworker/u16:0+events_unbound12:19:234
107539992826,2cyclictest711613-21kworker/u16:3+events_unbound12:25:014
107539992826,2cyclictest405486-21kworker/u16:2+events_unbound09:36:084
107550992726,0cyclictest0-21swapper/710:14:227
107546992725,2cyclictest782458-21kworker/u16:0+events_unbound12:11:386
107546992725,2cyclictest661562-21kworker/u16:5+events_unbound11:49:156
107546992725,2cyclictest53191-21kworker/u16:0+events_unbound07:47:256
107546992725,2cyclictest467170-21kworker/u16:1+events_unbound10:00:226
107546992725,2cyclictest366531-21kworker/u16:1+events_unbound09:14:016
107542992725,2cyclictest648289-21kworker/u16:3+flush-8:011:09:375
107542992725,2cyclictest648289-21kworker/u16:3+events_unbound11:14:165
107542992725,2cyclictest417854-21kworker/u16:0+events_unbound09:40:365
107542992724,2cyclictest334392-21kworker/u16:4+events_unbound09:12:375
107539992725,2cyclictest208015-21kworker/u16:4+flush-8:008:27:464
107550992625,0cyclictest0-21swapper/710:45:237
107550992625,0cyclictest0-21swapper/710:45:237
107550992625,0cyclictest0-21swapper/709:11:057
107546992624,2cyclictest818585-21kworker/u16:0+flush-8:012:32:496
107546992624,2cyclictest405486-21kworker/u16:2+events_unbound10:05:136
107546992624,2cyclictest405486-21kworker/u16:2+events_unbound10:05:136
107546992623,2cyclictest149837-21kworker/u16:2+flush-8:007:32:326
107542992624,2cyclictest711613-21kworker/u16:3+events_unbound11:53:375
107542992624,2cyclictest334392-21kworker/u16:4+flush-8:009:08:375
107539992624,2cyclictest314922-21kworker/u16:2+events_unbound08:58:274
107539992624,2cyclictest208015-21kworker/u16:4+flush-8:008:14:364
107550992524,0cyclictest0-21swapper/709:46:087
107546992523,2cyclictest818585-21kworker/u16:0+flush-8:012:22:196
107546992523,2cyclictest635818-21kworker/u16:0+events_unbound11:04:076
107546992523,2cyclictest542176-21kworker/u16:0+flush-8:010:28:396
107546992523,2cyclictest405486-21kworker/u16:2+events_unbound09:51:316
107542992523,2cyclictest794953-21kworker/u16:1+flush-8:012:29:095
107542992523,2cyclictest782458-21kworker/u16:0+events_unbound12:04:365
107542992523,2cyclictest782458-21kworker/u16:0+events_unbound12:04:365
107542992523,2cyclictest711613-21kworker/u16:3+events_unbound12:17:165
107542992523,2cyclictest442653-21kworker/u16:4+events_unbound10:25:375
107542992523,2cyclictest334392-21kworker/u16:4+flush-8:009:22:215
107539992523,2cyclictest149837-21kworker/u16:2+events_unbound07:34:374
107539992522,2cyclictest285150-21kworker/u16:0+flush-8:008:42:374
107550992423,0cyclictest0-21swapper/709:51:257
107550992423,0cyclictest0-21swapper/709:05:377
107550992423,0cyclictest0-21swapper/708:02:247
107550992423,0cyclictest0-21swapper/708:02:247
107546992423,1cyclictest405486-21kworker/u16:2+events_unbound09:33:206
107546992422,2cyclictest735687-21kworker/u16:1+flush-8:011:59:236
107546992422,2cyclictest709289-21kworker/u16:0+flush-8:011:37:066
107546992422,2cyclictest709289-21kworker/u16:0+events_unbound11:43:596
107546992422,2cyclictest542176-21kworker/u16:0+flush-8:010:33:106
107546992422,2cyclictest53191-21kworker/u16:0+events_unbound07:27:176
107546992422,2cyclictest442653-21kworker/u16:4+events_unbound10:13:516
107546992422,2cyclictest417854-21kworker/u16:0+events_unbound09:53:146
107546992422,2cyclictest314922-21kworker/u16:2+events_unbound09:24:236
107546992422,2cyclictest314922-21kworker/u16:2+events_unbound09:24:236
107546992422,2cyclictest314922-21kworker/u16:2+events_unbound08:59:286
107546992422,2cyclictest2876385-21kworker/u16:5+events_unbound07:10:346
107546992422,2cyclictest208015-21kworker/u16:4+events_unbound08:15:046
107542992423,1cyclictest405486-21kworker/u16:2+events_unbound09:58:405
107542992422,2cyclictest796970-21kworker/u16:4+flush-8:012:34:365
107539992422,2cyclictest334392-21kworker/u16:4+events_unbound09:05:004
107539992422,2cyclictest267087-21kworker/u16:2+events_unbound08:38:374
107539992422,2cyclictest149837-21kworker/u16:2+events_unbound07:54:374
107550992322,0cyclictest0-21swapper/711:22:527
107550992322,0cyclictest0-21swapper/711:22:527
107546992321,2cyclictest661562-21kworker/u16:5+events_unbound11:20:496
107546992321,2cyclictest589240-21kworker/u16:4+flush-8:010:53:186
107546992321,2cyclictest344157-21kworker/u16:0+events_unbound09:05:046
107546992321,2cyclictest334392-21kworker/u16:4+events_unbound09:31:446
107546992321,2cyclictest285150-21kworker/u16:0+flush-8:008:41:296
107546992321,2cyclictest247156-21kworker/u16:0+flush-8:008:20:246
107546992321,2cyclictest208015-21kworker/u16:4+flush-8:008:12:226
107542992321,2cyclictest782458-21kworker/u16:0+events_unbound12:08:015
107542992321,2cyclictest661562-21kworker/u16:5+flush-8:011:30:165
107542992321,2cyclictest589240-21kworker/u16:4+events_unbound11:00:535
107542992321,2cyclictest526293-21kworker/u16:2+events_unbound10:35:375
107542992321,2cyclictest513996-21kworker/u16:1+flush-8:010:15:005
107542992321,2cyclictest314922-21kworker/u16:2+flush-8:009:25:125
107542992321,2cyclictest314922-21kworker/u16:2+flush-8:009:25:125
107542992320,2cyclictest709289-21kworker/u16:0+flush-8:011:41:525
107539992321,2cyclictest3618097-21kworker/u16:4+events_unbound07:11:254
107550992221,0cyclictest0-21swapper/708:52:247
107550992219,2cyclictest574938-21ssh10:39:217
107546992220,2cyclictest709289-21kworker/u16:0+flush-8:011:55:116
107546992220,2cyclictest660557-21kworker/u16:0+events_unbound11:24:466
107546992220,2cyclictest660557-21kworker/u16:0+events_unbound11:24:466
107546992220,2cyclictest53191-21kworker/u16:0+flush-8:007:49:266
107546992220,2cyclictest285150-21kworker/u16:0+flush-8:008:34:296
107542992220,2cyclictest661561-21kworker/u16:4+flush-8:011:22:365
107542992220,2cyclictest661561-21kworker/u16:4+flush-8:011:22:365
107542992220,2cyclictest442652-21kworker/u16:3+events_unbound09:52:585
107542992219,2cyclictest208015-21kworker/u16:4+flush-8:007:57:525
107542992219,2cyclictest208015-21kworker/u16:4+flush-8:007:57:525
107539992220,2cyclictest149837-21kworker/u16:2+flush-8:007:27:224
107550992120,0cyclictest0-21swapper/708:36:367
107546992119,2cyclictest53191-21kworker/u16:0+events_unbound07:18:376
107546992119,2cyclictest208015-21kworker/u16:4+flush-8:008:28:416
107546992118,2cyclictest149837-21kworker/u16:2+flush-8:007:52:306
107542992119,2cyclictest417854-21kworker/u16:0+flush-8:010:06:285
107542992119,2cyclictest417854-21kworker/u16:0+flush-8:010:06:285
107542992119,2cyclictest295875-21kworker/u16:3+events_unbound08:44:385
107539992119,2cyclictest405486-21kworker/u16:2+events_unbound09:38:484
107550992019,0cyclictest0-21swapper/708:59:377
107550992014,5cyclictest150159-21latency_hist07:27:277
107546992018,2cyclictest696690-21kworker/u16:1+events_unbound11:29:316
107546992018,2cyclictest442653-21kworker/u16:4+events_unbound10:09:476
107546992018,2cyclictest3618097-21kworker/u16:4+flush-8:007:37:476
107546992018,2cyclictest314922-21kworker/u16:2+events_unbound08:51:466
107546992018,2cyclictest179080-21kworker/u16:1+events_unbound08:01:176
107546992018,2cyclictest179080-21kworker/u16:1+events_unbound08:01:176
107542992018,2cyclictest256881-21kworker/u16:1+events_unbound08:23:015
107539992018,2cyclictest188811-21kworker/u16:3+flush-8:007:47:384
107550991918,0cyclictest0-21swapper/708:37:447
107546991917,2cyclictest661562-21kworker/u16:5+flush-8:011:41:576
107546991917,2cyclictest53191-21kworker/u16:0+flush-8:007:14:176
107546991917,2cyclictest53191-21kworker/u16:0+flush-8:007:14:176
107546991917,2cyclictest513996-21kworker/u16:1+events_unbound10:19:146
107542991917,2cyclictest562590-21kworker/u16:1+events_unbound10:43:535
107542991917,2cyclictest562590-21kworker/u16:1+events_unbound10:43:535
107542991917,2cyclictest417854-21kworker/u16:0+events_unbound10:08:465
107539991917,2cyclictest208015-21kworker/u16:4+events_unbound08:10:094
107539991917,2cyclictest149837-21kworker/u16:2+flush-8:008:00:374
107539991917,2cyclictest149837-21kworker/u16:2+flush-8:008:00:374
107550991817,0cyclictest0-21swapper/707:31:257
107542991816,2cyclictest3618097-21kworker/u16:4+flush-8:007:27:565
107539991816,2cyclictest3618097-21kworker/u16:4+events_unbound07:16:384
107539991816,2cyclictest3618097-21kworker/u16:4+events_unbound07:16:384
107550991716,0cyclictest0-21swapper/708:31:257
107550991716,0cyclictest0-21swapper/707:38:257
107546991715,2cyclictest295875-21kworker/u16:3+flush-8:008:43:256
107539991715,2cyclictest314922-21kworker/u16:2+events_unbound08:52:414
107546991614,2cyclictest149837-21kworker/u16:2+events_unbound07:28:296
107542991614,2cyclictest314922-21kworker/u16:2+flush-8:009:02:435
107542991613,2cyclictest267087-21kworker/u16:2+flush-8:008:32:375
107539991614,2cyclictest267087-21kworker/u16:2+flush-8:008:35:414
107539991614,2cyclictest208015-21kworker/u16:4+events_unbound08:04:094
107539991613,2cyclictest208015-21kworker/u16:4+events_unbound08:22:394
10755099159,5cyclictest256995-21turbostat08:22:277
107546991513,2cyclictest256881-21kworker/u16:1+flush-8:008:26:186
107542991513,2cyclictest711613-21kworker/u16:3+events_unbound11:47:085
107542991513,2cyclictest3618097-21kworker/u16:4+events_unbound07:37:565
107542991512,2cyclictest314922-21kworker/u16:2+flush-8:008:58:375
107539991513,2cyclictest3618097-21kworker/u16:4+events_unbound07:22:264
10755099140,2cyclictest0-21swapper/707:12:297
10755099140,2cyclictest0-21swapper/707:12:297
10755099140,1cyclictest0-21swapper/708:12:497
10755099140,1cyclictest0-21swapper/707:17:527
10755099140,12cyclictest0-21swapper/708:22:537
107542991412,2cyclictest53191-21kworker/u16:0+flush-8:007:49:365
107542991412,2cyclictest314922-21kworker/u16:2+flush-8:008:52:585
10754299140,1cyclictest0-21swapper/508:07:395
107539991412,2cyclictest295875-21kworker/u16:3+events_unbound08:51:254
10755099139,3cyclictest1302-21snmpd07:53:277
10755099139,3cyclictest1302-21snmpd07:47:157
107550991312,0cyclictest0-21swapper/708:10:467
107542991311,2cyclictest53191-21kworker/u16:0+flush-8:007:17:525
107542991311,2cyclictest3618097-21kworker/u16:4+flush-8:007:32:515
107542991311,2cyclictest3618097-21kworker/u16:4+flush-8:007:22:445
107539991311,2cyclictest256881-21kworker/u16:1+flush-8:008:21:214
10755099129,2cyclictest1302-21snmpd08:45:347
107550991212,0cyclictest0-21swapper/708:07:237
107542991211,1cyclictest0-21swapper/507:12:185
107542991210,2cyclictest295875-21kworker/u16:3+events_unbound08:51:375
107542991210,2cyclictest285150-21kworker/u16:0+events_unbound08:41:375
107542991210,2cyclictest208015-21kworker/u16:4+flush-8:008:27:585
10755099117,3cyclictest1302-21snmpd08:55:047
107550991111,0cyclictest0-21swapper/707:50:287
10754699110,4cyclictest836428-21grep12:27:456
10754299117,3cyclictest149837-21kworker/u16:2+events_unbound07:42:455
10753999110,11cyclictest0-21swapper/407:47:034
10754299108,2cyclictest3618097-21kworker/u16:4+flush-8:007:12:535
10754299108,2cyclictest3618097-21kworker/u16:4+flush-8:007:12:535
10754299106,3cyclictest247156-21kworker/u16:0+events_unbound08:17:505
1075509995,3cyclictest1302-21snmpd07:10:147
1075429998,1cyclictest0-21swapper/508:03:335
1075429990,8cyclictest0-21swapper/508:15:225
1075429972,4cyclictest199692-21cut07:52:415
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