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2026-06-13 - 20:48
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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 the highest latencies:
System rack0slot2.osadl.org (updated Sat Jun 13, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23143952980,1sleep72314393-21ssh10:54:237
23143952980,1sleep72314393-21ssh10:54:237
181508825848,7sleep40-21swapper/407:02:544
181505125847,8sleep50-21swapper/507:02:235
1815619994539,5cyclictest1886420-21latency_hist07:41:037
1815619994237,4cyclictest2267075-21latency_hist10:36:027
1815610994241,1cyclictest2144297-21kworker/u16:0+flush-8:009:46:025
1815614994038,2cyclictest2170536-21kworker/u16:2+events_unbound10:53:296
1815614994038,2cyclictest2170536-21kworker/u16:2+events_unbound10:53:296
18060432393,30sleep70-21swapper/707:01:047
1815614993836,2cyclictest2482361-21kworker/u16:3+events_unbound12:13:246
1815614993836,2cyclictest2352726-21kworker/u16:1+events_unbound11:45:536
1815614993836,2cyclictest2204441-21kworker/u16:0+events_unbound10:30:296
1815614993836,2cyclictest2170536-21kworker/u16:2+events_unbound10:12:186
1815614993735,2cyclictest2482361-21kworker/u16:3+events_unbound12:31:546
1815614993735,2cyclictest2352726-21kworker/u16:1+events_unbound12:00:346
1815614993735,2cyclictest2148134-21kworker/u16:4+events_unbound10:05:496
1815614993735,2cyclictest2083983-21kworker/u16:0+events_unbound09:31:286
1815614993735,2cyclictest2040331-21kworker/u16:5+events_unbound09:15:386
1815619993634,1cyclictest2049906-21diskmemload10:45:207
181561999360,34cyclictest1924532-21pool-/usr/libex07:57:127
1815614993634,2cyclictest2352726-21kworker/u16:1+events_unbound11:35:006
1815614993634,2cyclictest2352726-21kworker/u16:1+events_unbound11:35:006
1815614993634,2cyclictest2204441-21kworker/u16:0+events_unbound10:23:546
1815614993634,2cyclictest2170536-21kworker/u16:2+events_unbound10:48:536
1815614993634,2cyclictest2030775-21kworker/u16:3+events_unbound09:07:336
1815602993633,2cyclictest2352726-21kworker/u16:1+events_unbound12:26:164
1815619993534,0cyclictest0-21swapper/712:03:447
1815619993534,0cyclictest0-21swapper/711:35:207
1815619993534,0cyclictest0-21swapper/711:35:207
1815619993534,0cyclictest0-21swapper/708:06:047
1815614993533,2cyclictest2457522-21kworker/u16:0+events_unbound12:02:086
1815614993533,2cyclictest2352726-21kworker/u16:1+events_unbound12:30:486
1815614993533,2cyclictest2352726-21kworker/u16:1+events_unbound11:28:246
1815614993533,2cyclictest2325056-21kworker/u16:3+events_unbound11:03:446
1815614993533,2cyclictest2148134-21kworker/u16:4+events_unbound11:17:336
1815614993533,2cyclictest2148134-21kworker/u16:4+events_unbound09:57:336
1815614993533,2cyclictest2096662-21kworker/u16:2+events_unbound09:40:496
1815614993532,2cyclictest2352726-21kworker/u16:1+events_unbound11:36:036
1815619993433,0cyclictest0-21swapper/711:55:337
1815619993433,0cyclictest0-21swapper/711:29:057
1815619993433,0cyclictest0-21swapper/710:22:097
1815614993432,2cyclictest2352726-21kworker/u16:1+events_unbound11:48:536
1815614993432,2cyclictest2325056-21kworker/u16:3+events_unbound11:23:446
1815614993432,2cyclictest2148134-21kworker/u16:4+flush-8:011:13:256
1815614993432,2cyclictest2144297-21kworker/u16:0+flush-8:009:54:446
1815614993432,2cyclictest2083983-21kworker/u16:0+flush-8:009:30:416
1815614993432,2cyclictest2083983-21kworker/u16:0+events_unbound09:24:246
1815614993431,2cyclictest2148134-21kworker/u16:4+flush-8:011:06:056
1815602993430,3cyclictest1896214-21kworker/u16:1+flush-8:007:57:144
1815619993332,0cyclictest0-21swapper/712:17:257
1815619993332,0cyclictest0-21swapper/712:17:257
1815619993332,0cyclictest0-21swapper/712:09:497
1815619993332,0cyclictest0-21swapper/709:31:497
1815619993332,0cyclictest0-21swapper/709:15:017
1815614993331,2cyclictest2482361-21kworker/u16:3+flush-8:012:24:456
1815614993331,2cyclictest2325056-21kworker/u16:3+events_unbound11:52:126
1815614993331,2cyclictest2280440-21kworker/u16:0+events_unbound10:43:176
1815614993331,2cyclictest2204441-21kworker/u16:0+events_unbound10:31:456
1815614993331,2cyclictest2204441-21kworker/u16:0+events_unbound10:09:446
1815619993231,0cyclictest0-21swapper/711:19:057
1815619993231,0cyclictest0-21swapper/709:10:047
1815614993230,2cyclictest2148134-21kworker/u16:4+flush-8:009:48:056
1815614993230,2cyclictest2148134-21kworker/u16:4+events_unbound10:38:496
1815614993230,2cyclictest2083983-21kworker/u16:0+events_unbound09:17:576
1815614993230,2cyclictest1924541-21kworker/u16:2+events_unbound08:41:026
1815610993230,2cyclictest2411720-21kworker/u16:5+events_unbound11:36:265
1815602993230,2cyclictest2132166-21kworker/u16:3+flush-8:009:41:284
1815619993130,0cyclictest0-21swapper/711:58:167
1815619993130,0cyclictest0-21swapper/711:15:417
1815619993130,0cyclictest0-21swapper/710:20:177
1815619993130,0cyclictest0-21swapper/710:07:497
1815619993130,0cyclictest0-21swapper/709:25:527
1815614993129,2cyclictest2325056-21kworker/u16:3+flush-8:010:57:536
1815614993129,2cyclictest2096662-21kworker/u16:2+flush-8:009:42:376
1815610993129,2cyclictest2352726-21kworker/u16:1+flush-8:012:26:025
1815602993128,2cyclictest2030775-21kworker/u16:3+events_unbound09:26:174
181509023121,7sleep60-21swapper/607:02:566
1815619993029,0cyclictest0-21swapper/710:46:567
1815619993028,1cyclictest2049906-21diskmemload10:38:007
1815619993024,4cyclictest635-21systemd-journal10:31:027
1815614993028,2cyclictest2501700-21kworker/u16:0+events_unbound12:20:216
1815614993028,2cyclictest2501700-21kworker/u16:0+events_unbound12:20:216
1815610993028,2cyclictest2218874-21kworker/u16:1+flush-8:010:30:575
1815610993028,2cyclictest1896214-21kworker/u16:1+flush-8:007:57:225
18385092290,1chrt1838510-21latency_hist07:16:027
1815619992928,0cyclictest0-21swapper/709:41:537
1815619992928,0cyclictest0-21swapper/707:16:367
1815619992827,0cyclictest0-21swapper/712:13:037
1815619992827,0cyclictest0-21swapper/711:40:467
1815619992826,1cyclictest2049906-21diskmemload11:08:227
1815619992826,1cyclictest2049906-21diskmemload09:52:427
1815614992826,2cyclictest2469910-21kworker/u16:2+events_unbound12:09:066
1815614992825,2cyclictest1954140-21kworker/u16:0+events_unbound08:51:046
1815610992824,3cyclictest2083983-21kworker/u16:0+flush-8:009:31:075
20857462270,1chrt2085744-21ssh09:20:227
1815619992726,0cyclictest0-21swapper/707:49:137
1815619992725,1cyclictest2109474-21ssh09:29:397
1815619992724,2cyclictest2326589-21ssh10:59:387
1815614992725,2cyclictest2204441-21kworker/u16:0+flush-8:010:20:206
1815614992725,2cyclictest1924541-21kworker/u16:2+events_unbound08:03:126
1815610992725,2cyclictest2352726-21kworker/u16:1+events_unbound12:26:245
1815610992725,2cyclictest1954140-21kworker/u16:0+events_unbound08:26:255
1815619992625,0cyclictest0-21swapper/711:25:267
1815619992625,0cyclictest0-21swapper/711:04:517
1815614992624,2cyclictest1123758-21kworker/u16:4+events_unbound07:57:046
1815602992624,2cyclictest2352726-21kworker/u16:1+flush-8:012:21:334
1815619992524,0cyclictest0-21swapper/711:49:307
1815619992523,1cyclictest107-21kcompactd008:46:027
1815619992520,4cyclictest2435758-21latency_hist11:46:027
1815619992520,4cyclictest2182582-21latency_hist10:01:037
1815614992523,2cyclictest1838503-21kworker/u16:0+flush-8:007:41:286
1815619992422,1cyclictest2555377-21ssh12:34:397
1815614992422,2cyclictest1924541-21kworker/u16:2+flush-8:008:31:176
1815614992422,2cyclictest1123758-21kworker/u16:4+events_unbound07:06:336
181561099240,1cyclictest0-21swapper/511:21:175
1815602992421,2cyclictest2280440-21kworker/u16:0+flush-8:011:26:264
1815619992322,0cyclictest0-21swapper/712:21:597
1815619992322,0cyclictest0-21swapper/707:26:067
1815619992321,1cyclictest2049906-21diskmemload10:12:037
1815602992321,2cyclictest2204441-21kworker/u16:0+flush-8:010:11:274
1815602992320,2cyclictest2083983-21kworker/u16:0+flush-8:009:21:204
1815614992220,2cyclictest1796243-21kworker/u16:3+events_unbound07:28:426
1815614992119,2cyclictest1896214-21kworker/u16:1+events_unbound08:12:136
1815614992119,2cyclictest1123758-21kworker/u16:4+events_unbound07:18:136
1815610992119,2cyclictest2352726-21kworker/u16:1+flush-8:011:11:335
1815619992019,0cyclictest0-21swapper/712:27:277
1815619992019,0cyclictest0-21swapper/708:01:387
1815619992019,0cyclictest0-21swapper/707:41:307
1815619992018,1cyclictest2049906-21diskmemload09:47:067
1815614992018,2cyclictest1954140-21kworker/u16:0+events_unbound08:30:336
1815614992018,2cyclictest1796243-21kworker/u16:3+events_unbound07:15:136
1815614992017,2cyclictest1896214-21kworker/u16:1+events_unbound08:16:156
1815610992018,2cyclictest1796243-21kworker/u16:3+flush-8:007:21:195
1815610992018,2cyclictest1796243-21kworker/u16:3+flush-8:007:21:195
1815602992017,2cyclictest2148134-21kworker/u16:4+events_unbound10:41:164
1815602992016,3cyclictest2148134-21kworker/u16:4+flush-8:010:01:284
1815619991918,0cyclictest0-21swapper/710:02:247
1815619991918,0cyclictest0-21swapper/709:37:397
1815619991918,0cyclictest0-21swapper/707:52:387
1815619991918,0cyclictest0-21swapper/707:23:417
1815619991918,0cyclictest0-21swapper/707:23:417
1815614991917,2cyclictest2030775-21kworker/u16:3+events_unbound09:04:536
1815614991917,2cyclictest1838503-21kworker/u16:0+flush-8:007:37:116
1815610991918,1cyclictest2435794-21kworker/u16:2+events_unbound11:48:295
1815610991917,2cyclictest2218874-21kworker/u16:1+events_unbound10:16:195
1815610991916,2cyclictest2148134-21kworker/u16:4+flush-8:010:41:305
1815602991917,2cyclictest1924541-21kworker/u16:2+flush-8:008:26:294
1815619991817,0cyclictest0-21swapper/708:25:177
1815619991817,0cyclictest0-21swapper/708:16:007
1815614991816,2cyclictest1954140-21kworker/u16:0+events_unbound08:43:586
1815610991816,2cyclictest2148134-21kworker/u16:4+events_unbound10:01:265
1815610991816,2cyclictest1838503-21kworker/u16:0+events_unbound07:41:325
1815610991815,2cyclictest2083983-21kworker/u16:0+flush-8:009:36:195
1815602991816,2cyclictest1924541-21kworker/u16:2+flush-8:008:21:184
1815619991716,0cyclictest0-21swapper/708:56:017
1815619991716,0cyclictest0-21swapper/708:35:567
1815619991716,0cyclictest0-21swapper/707:07:147
1815619991715,1cyclictest0-21swapper/709:05:257
1815614991715,2cyclictest2030775-21kworker/u16:3+events_unbound09:00:376
1815614991715,2cyclictest2030775-21kworker/u16:3+events_unbound09:00:376
1815610991715,2cyclictest1796243-21kworker/u16:3+events_unbound07:26:295
1815602991715,2cyclictest2482361-21kworker/u16:3+flush-8:012:15:574
1815602991714,2cyclictest2204441-21kworker/u16:0+flush-8:010:31:204
1815614991614,2cyclictest1896214-21kworker/u16:1+flush-8:008:07:376
181561099167,9cyclictest0-21swapper/510:32:475
1815610991614,2cyclictest2482361-21kworker/u16:3+flush-8:012:06:255
1815610991614,2cyclictest2280440-21kworker/u16:0+flush-8:011:31:295
1815610991614,2cyclictest2280440-21kworker/u16:0+flush-8:011:31:295
1815610991614,2cyclictest2040331-21kworker/u16:5+flush-8:009:12:145
1815610991614,2cyclictest1954140-21kworker/u16:0+flush-8:008:46:295
1815602991613,3cyclictest2170536-21kworker/u16:2+flush-8:010:36:304
1815602991612,3cyclictest2529756-21kworker/u16:2+flush-8:012:31:184
1815619991514,0cyclictest0-21swapper/708:49:177
1815619991514,0cyclictest0-21swapper/708:19:257
1815614991513,2cyclictest1896214-21kworker/u16:1+events_unbound07:49:376
1815610991513,2cyclictest2501700-21kworker/u16:0+events_unbound12:16:165
1815610991513,2cyclictest2501700-21kworker/u16:0+events_unbound12:16:165
1815610991513,2cyclictest2148134-21kworker/u16:4+events_unbound10:06:155
181560299150,14cyclictest0-21swapper/409:31:084
1815614991412,2cyclictest1954140-21kworker/u16:0+flush-8:008:46:276
1815614991412,2cyclictest1954140-21kworker/u16:0+events_unbound08:24:366
1815614991412,2cyclictest1123758-21kworker/u16:4+flush-8:007:23:126
1815614991412,2cyclictest1123758-21kworker/u16:4+flush-8:007:23:126
1815610991413,1cyclictest0-21swapper/509:54:325
1815610991412,2cyclictest2170536-21kworker/u16:2+flush-8:010:36:275
1815610991412,2cyclictest1896214-21kworker/u16:1+flush-8:007:46:265
1815602991413,1cyclictest0-21swapper/411:14:434
1815602991413,1cyclictest0-21swapper/411:09:024
1815602991413,1cyclictest0-21swapper/410:19:514
1815602991412,2cyclictest2352726-21kworker/u16:1+events_unbound11:46:244
181560299140,1cyclictest0-21swapper/411:21:394
181560299140,1cyclictest0-21swapper/411:00:134
181560299140,1cyclictest0-21swapper/409:50:414
181560299140,14cyclictest0-21swapper/410:52:104
181560299140,14cyclictest0-21swapper/410:52:104
181560299140,14cyclictest0-21swapper/409:37:174
181561999139,3cyclictest1234-21snmpd08:29:417
1815610991312,1cyclictest0-21swapper/509:07:425
1815610991311,2cyclictest2325056-21kworker/u16:3+flush-8:011:06:175
1815610991311,2cyclictest1796243-21kworker/u16:3+flush-8:008:01:195
181561099130,13cyclictest0-21swapper/511:54:595
181561099130,13cyclictest0-21swapper/511:00:545
181561099130,13cyclictest0-21swapper/509:28:125
181560299139,3cyclictest2013682-21kworker/u16:2+flush-8:008:56:284
181560299139,3cyclictest2013682-21kworker/u16:2+flush-8:008:56:284
1815602991312,1cyclictest0-21swapper/412:06:074
1815602991312,1cyclictest0-21swapper/411:36:194
1815602991312,1cyclictest0-21swapper/410:27:534
1815602991312,1cyclictest0-21swapper/409:56:504
1815602991312,1cyclictest0-21swapper/409:19:004
1815602991312,1cyclictest0-21swapper/407:26:164
1815602991311,2cyclictest1954140-21kworker/u16:0+flush-8:008:51:174
1815602991311,2cyclictest1796243-21kworker/u16:3+events_unbound07:16:294
181560299130,13cyclictest0-21swapper/411:58:524
181560299130,13cyclictest0-21swapper/411:51:374
181560299130,13cyclictest0-21swapper/411:44:124
181561999128,3cyclictest1234-21snmpd07:35:127
1815614991210,2cyclictest1796243-21kworker/u16:3+events_unbound07:33:126
1815610991211,1cyclictest0-21swapper/509:21:255
1815610991211,1cyclictest0-21swapper/508:56:305
1815610991211,1cyclictest0-21swapper/508:56:305
1815610991210,2cyclictest2529756-21kworker/u16:2+flush-8:012:31:145
181561099120,12cyclictest0-21swapper/512:02:425
181560299129,2cyclictest1896214-21kworker/u16:1+flush-8:008:11:294
1815602991211,1cyclictest0-21swapper/409:12:414
181560299120,12cyclictest0-21swapper/407:07:404
181561999114,5cyclictest1053-21ntpd08:56:267
181561999114,5cyclictest1053-21ntpd08:56:267
1815614991110,1cyclictest0-21swapper/607:51:506
1815610991110,1cyclictest0-21swapper/510:52:235
1815610991110,1cyclictest0-21swapper/510:52:235
1815610991110,1cyclictest0-21swapper/507:08:215
181561099110,11cyclictest0-21swapper/508:24:025
181560299116,4cyclictest1925792-21tune2fs08:01:164
1815602991110,1cyclictest0-21swapper/408:08:124
181560299110,11cyclictest0-21swapper/409:04:394
181561999104,5cyclictest6382-21gvfs-afc-volume08:36:307
181561099109,1cyclictest0-21swapper/509:47:265
181561099109,1cyclictest0-21swapper/508:35:135
181561099109,1cyclictest0-21swapper/508:10:385
181560299109,1cyclictest0-21swapper/408:32:204
181560299109,1cyclictest0-21swapper/407:43:564
181560299107,2cyclictest1962485-21pmu-power08:16:294
18156109997,2cyclictest2280440-21kworker/u16:0+flush-8:011:26:215
18156109997,2cyclictest2218874-21kworker/u16:1+flush-8:010:21:205
18156109997,2cyclictest1123758-21kworker/u16:4+flush-8:007:36:185
18156109995,3cyclictest1839635-21cat07:16:185
18156109990,3cyclictest2171729-21/usr/sbin/munin09:56:175
18156029998,1cyclictest0-21swapper/408:43:034
18156029997,2cyclictest1896214-21kworker/u16:1+events_unbound07:46:174
18156029995,3cyclictest1837699-21swap07:11:304
18156109987,1cyclictest0-21swapper/508:45:575
18156109985,2cyclictest0-21swapper/511:56:195
18156109984,3cyclictest1912968-21tr07:51:225
18156109983,4cyclictest2500868-21grep12:11:215
18156109983,4cyclictest2364784-21cat11:16:165
18156109983,4cyclictest2040757-21cpuspeed_turbos09:01:165
18156109983,4cyclictest1998309-21cut08:36:245
18156109983,4cyclictest1832780-21cut07:11:215
18156029986,1cyclictest0-21swapper/410:46:164
18156029984,3cyclictest2195852-21tune2fs10:06:164
18156029983,4cyclictest2474575-21cut12:01:194
18156029983,4cyclictest2403400-21cut11:31:204
18156029983,4cyclictest2403400-21cut11:31:204
18156029983,4cyclictest2371632-21cut11:16:224
18156029983,4cyclictest2331079-21grep11:01:204
18156029983,4cyclictest2236358-21kthreadcore10:21:234
18156029983,4cyclictest1877710-21expr07:36:164
18156029983,4cyclictest1871565-21cut07:31:214
18156029983,4cyclictest1852085-21kthreadcore07:21:224
18156029983,4cyclictest1852085-21kthreadcore07:21:224
18156109975,1cyclictest0-21swapper/508:11:165
18156109974,2cyclictest1867762-21cpuspeed_turbos07:31:155
18156109973,3cyclictest2424467-21cstates11:41:155
18156109973,3cyclictest2329232-21cut11:01:195
18156109973,3cyclictest2293717-21tr10:46:205
18156109973,3cyclictest2074910-21expr09:16:155
18156109973,3cyclictest2021726-21expr08:51:155
18156109973,3cyclictest1957003-21cat08:16:215
18156109970,1cyclictest0-21swapper/510:14:385
18156029976,1cyclictest0-21swapper/409:06:154
18156029973,3cyclictest2508755-21cstates12:16:144
18156029973,3cyclictest2508755-21cstates12:16:144
18156029973,3cyclictest2159223-21cat09:51:144
18156029973,3cyclictest1993102-21df08:36:174
18156029973,3cyclictest1906331-21expr07:51:144
18156029972,4cyclictest2012876-21sed08:46:164
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