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2026-03-26 - 07:03
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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 376 highest latencies:
System rack0slot2.osadl.org (updated Thu Mar 26, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
147812125948,8sleep50-21swapper/519:00:015
147833824825,7sleep40-21swapper/419:03:054
1478630994542,2cyclictest1701937-21kworker/u16:2+flush-8:022:18:196
1478630994341,2cyclictest2095205-21kworker/u16:3+events_unbound00:03:366
1478630994341,2cyclictest2037265-21kworker/u16:0+events_unbound23:33:296
1478630994240,2cyclictest2155586-21kworker/u16:5+events_unbound00:10:296
1478630994240,2cyclictest2155586-21kworker/u16:5+events_unbound00:10:296
1478630994240,2cyclictest1890294-21kworker/u16:3+events_unbound22:27:496
1478630994139,2cyclictest2121780-21kworker/u16:4+events_unbound00:20:296
1478630994139,2cyclictest2037265-21kworker/u16:0+events_unbound23:40:036
1478630994139,2cyclictest1431217-21kworker/u16:4+flush-8:020:08:336
1478630993937,2cyclictest2095205-21kworker/u16:3+events_unbound00:01:026
1478630993937,2cyclictest2037265-21kworker/u16:0+events_unbound23:28:356
1478630993937,2cyclictest1963280-21kworker/u16:1+events_unbound23:19:116
1478630993937,2cyclictest1950438-21kworker/u16:6+events_unbound22:50:416
1478630993937,2cyclictest1950438-21kworker/u16:6+events_unbound22:40:546
1478630993937,2cyclictest1928633-21kworker/u16:4+events_unbound22:37:276
1478630993937,2cyclictest1760415-21kworker/u16:0+events_unbound22:17:236
1478630993937,2cyclictest1701937-21kworker/u16:2+events_unbound21:47:106
1478621993937,2cyclictest1963280-21kworker/u16:1+flush-8:023:38:214
14782732393,31sleep70-21swapper/719:02:127
1478630993836,2cyclictest1928633-21kworker/u16:4+events_unbound23:26:196
1478630993836,2cyclictest1928633-21kworker/u16:4+events_unbound23:15:126
1478630993836,2cyclictest1928633-21kworker/u16:4+events_unbound22:48:026
1478630993836,2cyclictest1890294-21kworker/u16:3+events_unbound22:30:546
1478630993836,2cyclictest1760415-21kworker/u16:0+events_unbound21:51:596
1478630993836,2cyclictest1735898-21kworker/u16:3+flush-8:021:18:496
1478630993836,2cyclictest1701937-21kworker/u16:2+events_unbound22:01:066
1478630993836,2cyclictest1626092-21kworker/u16:1+events_unbound21:17:146
1478630993835,2cyclictest1950438-21kworker/u16:6+flush-8:023:08:046
1478621993836,2cyclictest1950438-21kworker/u16:6+events_unbound22:48:324
1478630993735,2cyclictest2121780-21kworker/u16:4+events_unbound23:55:306
1478630993735,2cyclictest2061435-21kworker/u16:2+events_unbound23:47:076
1478630993735,2cyclictest1928633-21kworker/u16:4+events_unbound23:11:356
1478630993735,2cyclictest1928633-21kworker/u16:4+events_unbound22:59:226
1478630993735,2cyclictest1820292-21kworker/u16:1+events_unbound22:07:026
1478630993735,2cyclictest1626092-21kworker/u16:1+events_unbound21:26:036
1478621993735,2cyclictest1431217-21kworker/u16:4+flush-8:019:18:264
1478621993734,2cyclictest1928633-21kworker/u16:4+events_unbound23:18:354
147832823727,7sleep60-21swapper/619:02:596
1478635993630,5cyclictest1832280-21latency_hist21:53:057
1478630993634,2cyclictest2169673-21kworker/u16:2+events_unbound00:29:386
1478630993634,2cyclictest2095205-21kworker/u16:3+flush-8:000:13:456
1478630993634,2cyclictest1928633-21kworker/u16:4+events_unbound22:53:316
1478630993634,2cyclictest1735898-21kworker/u16:3+events_unbound21:35:266
1478630993634,2cyclictest1701937-21kworker/u16:2+events_unbound21:30:196
1478630993634,2cyclictest1701937-21kworker/u16:2+events_unbound21:10:316
147863599350,34cyclictest2159429-21sed00:08:217
147863599350,34cyclictest2159429-21sed00:08:217
1478629993532,2cyclictest1431217-21kworker/u16:4+flush-8:019:18:195
1478635993428,5cyclictest650-21systemd-journal20:33:057
1478630993432,2cyclictest1735898-21kworker/u16:3+events_unbound21:40:236
1478630993431,2cyclictest1470046-21kworker/u16:0+events_unbound19:03:086
1478621993432,2cyclictest1950438-21kworker/u16:6+events_unbound22:56:404
1478621993432,2cyclictest1760415-21kworker/u16:0+events_unbound22:29:114
1478635993330,2cyclictest2207295-21hwlatdetect00:28:187
1478630993331,2cyclictest1820292-21kworker/u16:1+events_unbound22:11:556
1478630993331,2cyclictest1635639-21kworker/u16:2+events_unbound20:30:356
1478621993331,2cyclictest2155586-21kworker/u16:5+flush-8:000:07:584
1478621993331,2cyclictest2155586-21kworker/u16:5+events_unbound00:10:234
1478621993331,2cyclictest2155586-21kworker/u16:5+events_unbound00:10:234
1478621993331,2cyclictest1928633-21kworker/u16:4+events_unbound22:48:044
1478630993230,2cyclictest2121780-21kworker/u16:4+events_unbound00:23:056
1478630993230,2cyclictest2037265-21kworker/u16:0+events_unbound23:49:366
1478630993230,2cyclictest1701937-21kworker/u16:2+events_unbound21:55:326
1478630993230,2cyclictest1626092-21kworker/u16:1+events_unbound21:05:366
1478621993230,2cyclictest1950438-21kworker/u16:6+events_unbound23:03:404
1478621993230,2cyclictest1928633-21kworker/u16:4+events_unbound23:02:204
1478621993230,2cyclictest1760415-21kworker/u16:0+events_unbound22:17:494
1478621993230,2cyclictest1701937-21kworker/u16:2+events_unbound21:12:404
147863599310,29cyclictest650-21systemd-journal19:38:057
1478621993129,2cyclictest2121780-21kworker/u16:4+flush-8:000:18:214
1478621993129,2cyclictest2095205-21kworker/u16:3+events_unbound23:58:494
1478621993129,2cyclictest1963280-21kworker/u16:1+events_unbound23:34:084
1478621993129,2cyclictest1963280-21kworker/u16:1+events_unbound23:26:074
1478621993129,2cyclictest1735898-21kworker/u16:3+events_unbound21:16:254
1478635993030,0cyclictest0-21swapper/721:40:587
1478630993028,2cyclictest1549228-21kworker/u16:0+events_unbound20:46:356
1478630993028,2cyclictest1449907-21kworker/u16:1+events_unbound19:11:306
1478621993028,2cyclictest2182030-21kworker/u16:0+events_unbound00:31:314
1478621993028,2cyclictest2095205-21kworker/u16:3+flush-8:000:17:594
1478621993028,2cyclictest2037265-21kworker/u16:0+events_unbound23:48:574
1478621993028,2cyclictest1928999-21kworker/u16:5+events_unbound22:36:094
1478621993028,2cyclictest1701937-21kworker/u16:2+events_unbound22:07:454
1478621993028,2cyclictest1701937-21kworker/u16:2+events_unbound21:03:024
1478621993028,2cyclictest1626092-21kworker/u16:1+flush-8:020:38:264
1478630992927,2cyclictest1549228-21kworker/u16:0+events_unbound19:50:316
1478630992927,2cyclictest1530251-21kworker/u16:2+events_unbound20:06:476
1478630992927,2cyclictest1431217-21kworker/u16:4+events_unbound19:22:316
1478621992927,2cyclictest1928633-21kworker/u16:4+flush-8:023:13:284
1478630992826,2cyclictest1645195-21kworker/u16:4+events_unbound20:36:356
1478630992826,2cyclictest1626092-21kworker/u16:1+events_unbound20:57:596
1478621992826,2cyclictest2109713-21kworker/u16:1+events_unbound23:55:244
1478621992826,2cyclictest1549228-21kworker/u16:0+events_unbound20:11:184
1478630992725,2cyclictest1626092-21kworker/u16:1+events_unbound20:20:436
1478621992725,2cyclictest2037265-21kworker/u16:0+events_unbound23:44:064
1478621992725,2cyclictest1950438-21kworker/u16:6+flush-8:023:08:404
1478621992725,2cyclictest1549228-21kworker/u16:0+events_unbound19:53:044
1478621992725,2cyclictest1431217-21kworker/u16:4+events_unbound20:16:394
1478621992725,2cyclictest1431217-21kworker/u16:4+events_unbound19:39:474
1478635992625,0cyclictest0-21swapper/721:58:207
1478630992624,2cyclictest1530251-21kworker/u16:2+events_unbound20:02:316
1478630992624,2cyclictest1530251-21kworker/u16:2+events_unbound19:47:186
1478621992624,2cyclictest1735898-21kworker/u16:3+flush-8:021:44:564
1478621992624,2cyclictest1645195-21kworker/u16:4+events_unbound20:54:394
1478621992624,2cyclictest1626092-21kworker/u16:1+flush-8:020:43:234
1478621992624,2cyclictest1626092-21kworker/u16:1+events_unbound20:49:504
1478621992624,2cyclictest1626092-21kworker/u16:1+events_unbound20:49:504
1478621992624,2cyclictest1449907-21kworker/u16:1+events_unbound19:06:144
1478621992624,2cyclictest1431217-21kworker/u16:4+events_unbound19:10:394
1478635992524,1cyclictest0-21swapper/721:23:227
1478630992523,2cyclictest1626092-21kworker/u16:1+events_unbound20:39:156
1478630992523,2cyclictest1530251-21kworker/u16:2+events_unbound19:39:316
1478621992523,2cyclictest1449907-21kworker/u16:1+events_unbound19:32:504
1478621992523,2cyclictest1431217-21kworker/u16:4+events_unbound19:26:104
1478621992523,2cyclictest1431217-21kworker/u16:4+events_unbound19:14:074
1478630992422,2cyclictest1626092-21kworker/u16:1+events_unbound20:51:476
1478630992422,2cyclictest1626092-21kworker/u16:1+events_unbound20:51:476
1478630992422,2cyclictest1530251-21kworker/u16:2+events_unbound19:36:436
1478630992422,2cyclictest1431217-21kworker/u16:4+events_unbound19:24:346
1478629992420,3cyclictest2095205-21kworker/u16:3+flush-8:000:18:045
1478621992422,2cyclictest1635639-21kworker/u16:2+events_unbound20:37:224
1478621992421,2cyclictest1701937-21kworker/u16:2+events_unbound21:23:044
1478630992321,2cyclictest1626092-21kworker/u16:1+events_unbound21:02:116
1478629992319,3cyclictest1530251-21kworker/u16:2+flush-8:020:03:225
1478621992321,2cyclictest1635639-21kworker/u16:2+flush-8:020:28:584
1478621992321,2cyclictest1626092-21kworker/u16:1+events_unbound20:19:274
1478621992321,2cyclictest1597144-21kworker/u16:3+events_unbound20:27:394
1478621992321,2cyclictest1549228-21kworker/u16:0+events_unbound20:01:384
1478621992321,2cyclictest1431217-21kworker/u16:4+events_unbound19:57:514
147863599220,20cyclictest0-21swapper/719:48:297
1478629992219,2cyclictest1626092-21kworker/u16:1+flush-8:021:08:305
1478629992218,3cyclictest1760415-21kworker/u16:0+flush-8:021:38:215
1478621992220,2cyclictest1760415-21kworker/u16:0+events_unbound21:36:444
1478621992220,2cyclictest1431217-21kworker/u16:4+events_unbound19:37:144
147863599210,19cyclictest1568336-21latency_hist19:48:047
1478630992119,2cyclictest1626092-21kworker/u16:1+events_unbound20:25:506
1478629992118,2cyclictest1626092-21kworker/u16:1+flush-8:020:58:305
1478621992119,2cyclictest1820292-21kworker/u16:1+events_unbound21:50:134
1478621992119,2cyclictest1760415-21kworker/u16:0+events_unbound21:38:204
1478621992119,2cyclictest1701937-21kworker/u16:2+flush-8:021:54:354
1478621992119,2cyclictest1431217-21kworker/u16:4+events_unbound19:45:364
1478630992017,2cyclictest1530251-21kworker/u16:2+events_unbound19:53:126
1478621992018,2cyclictest1549228-21kworker/u16:0+events_unbound20:04:204
1478635991918,0cyclictest0-21swapper/719:08:197
1478630991917,2cyclictest1449907-21kworker/u16:1+events_unbound19:16:026
1478630991917,2cyclictest1431217-21kworker/u16:4+events_unbound20:16:196
1478621991917,2cyclictest1735898-21kworker/u16:3+events_unbound21:18:304
147863599189,8cyclictest0-21swapper/721:28:297
1478635991817,0cyclictest0-21swapper/719:43:057
1478635991815,2cyclictest1267-21snmpd23:14:117
1478635991813,4cyclictest1747926-21latency_hist21:18:057
147863599170,4cyclictest2206335-21latency_hist00:28:047
1478630991715,2cyclictest1530251-21kworker/u16:2+events_unbound19:29:396
1478629991713,3cyclictest1660875-21cut20:33:235
147863599168,7cyclictest0-21swapper/722:08:187
147863599168,7cyclictest0-21swapper/700:18:287
1478635991614,2cyclictest124-21kswapd022:46:157
147863599160,15cyclictest2157877-21awk00:08:037
147863599160,15cyclictest2124519-21cut23:53:217
147863599160,15cyclictest1267-21snmpd21:07:467
147863599160,14cyclictest0-21swapper/720:23:287
1478621991614,2cyclictest2121780-21kworker/u16:4+events_unbound00:23:304
147863599157,7cyclictest0-21swapper/723:58:287
147863599157,7cyclictest0-21swapper/722:38:197
147863599157,7cyclictest0-21swapper/721:08:207
1478635991511,3cyclictest1267-21snmpd19:19:557
1478635991510,4cyclictest1892448-21latency_hist22:18:047
147862999150,14cyclictest0-21swapper/522:28:195
147862999150,14cyclictest0-21swapper/522:22:295
147863599149,4cyclictest1530043-21latency_hist19:28:057
147863599147,6cyclictest0-21swapper/723:43:297
147863599146,7cyclictest0-21swapper/723:10:307
147863599146,7cyclictest0-21swapper/723:03:187
147863599146,7cyclictest0-21swapper/721:33:327
147863599146,7cyclictest0-21swapper/721:18:267
147863599145,8cyclictest3442936-21containerd23:39:527
1478635991413,0cyclictest0-21swapper/719:28:317
1478635991410,3cyclictest1267-21snmpd19:59:517
147863599140,8cyclictest2046262-21ssh23:18:327
147863599140,1cyclictest0-21swapper/721:53:287
1478629991413,1cyclictest0-21swapper/521:19:545
1478629991413,1cyclictest0-21swapper/500:01:115
147862999140,1cyclictest0-21swapper/523:38:005
147862999140,1cyclictest0-21swapper/522:16:305
147862999140,14cyclictest0-21swapper/523:17:115
147862999140,14cyclictest0-21swapper/522:47:525
147862999140,14cyclictest0-21swapper/521:34:435
147862999140,14cyclictest0-21swapper/500:19:375
1478621991412,2cyclictest1701937-21kworker/u16:2+events_unbound21:31:144
147862199140,14cyclictest0-21swapper/421:58:224
147863599139,3cyclictest1267-21snmpd22:58:467
147863599139,3cyclictest1267-21snmpd21:02:167
147863599139,3cyclictest1267-21snmpd20:56:167
147863599139,3cyclictest1267-21snmpd20:19:277
147863599136,6cyclictest0-21swapper/723:33:197
147863599136,6cyclictest0-21swapper/723:32:097
147863599136,6cyclictest0-21swapper/722:49:487
147863599136,6cyclictest0-21swapper/722:33:357
147863599136,6cyclictest0-21swapper/722:28:597
147863599136,6cyclictest0-21swapper/722:03:277
147863599135,7cyclictest2118553-21ntpq23:48:307
147863599135,7cyclictest0-21swapper/721:43:217
147863599134,8cyclictest2176446-21cut00:13:277
147863599134,8cyclictest1981522-21kthreadcore22:53:247
147863599134,8cyclictest1901373-21ntpq22:18:297
147863599134,8cyclictest0-21swapper/722:23:137
147863599133,9cyclictest2050347-21diskstats23:23:187
147863599130,4cyclictest1692727-21latency_hist20:53:047
147863599130,4cyclictest1692727-21latency_hist20:53:047
147863599130,2cyclictest0-21swapper/720:13:287
1478629991312,1cyclictest0-21swapper/523:09:005
1478629991312,1cyclictest0-21swapper/522:02:375
1478629991312,1cyclictest0-21swapper/521:23:415
1478629991312,1cyclictest0-21swapper/520:43:195
147862999130,13cyclictest0-21swapper/523:42:065
147862999130,0cyclictest0-21swapper/523:29:395
1478621991312,1cyclictest0-21swapper/422:23:174
1478621991311,2cyclictest1963280-21kworker/u16:1+events_unbound23:29:544
1478621991311,2cyclictest1645195-21kworker/u16:4+events_unbound21:03:274
147863599129,2cyclictest1267-21snmpd20:34:157
147863599126,5cyclictest0-21swapper/719:53:307
147863599121,2cyclictest1615214-21ntpq20:08:327
147863599120,2cyclictest1683268-21latency_hist20:48:047
1478629991211,1cyclictest0-21swapper/523:27:365
1478629991211,1cyclictest0-21swapper/523:07:065
1478629991211,1cyclictest0-21swapper/522:42:025
1478629991211,1cyclictest0-21swapper/521:16:075
1478629991211,1cyclictest0-21swapper/500:05:265
147862999120,12cyclictest0-21swapper/519:06:225
147862999120,11cyclictest0-21swapper/523:22:405
1478621991210,2cyclictest1950438-21kworker/u16:6+events_unbound22:41:264
1478621991210,2cyclictest1760415-21kworker/u16:0+events_unbound22:20:064
147863599118,2cyclictest1267-21snmpd20:40:317
147863599118,2cyclictest1267-21snmpd20:04:067
147863599117,3cyclictest1267-21snmpd19:04:497
1478629991110,1cyclictest0-21swapper/522:53:335
1478629991110,1cyclictest0-21swapper/522:08:275
1478629991110,1cyclictest0-21swapper/520:51:125
1478629991110,1cyclictest0-21swapper/520:51:125
1478629991110,1cyclictest0-21swapper/520:24:345
1478629991110,1cyclictest0-21swapper/520:09:265
147862999110,11cyclictest0-21swapper/519:49:245
147862999110,11cyclictest0-21swapper/519:44:505
147862999110,11cyclictest0-21swapper/519:42:385
1478621991110,1cyclictest0-21swapper/422:08:374
147863599106,3cyclictest6184-21gvfs-afc-volume19:13:177
147862999109,1cyclictest0-21swapper/523:01:165
147862999109,1cyclictest0-21swapper/522:04:315
147862999109,1cyclictest0-21swapper/520:13:415
147862999109,1cyclictest0-21swapper/519:58:425
147862999109,1cyclictest0-21swapper/519:35:135
147862999109,1cyclictest0-21swapper/500:29:435
147862999100,10cyclictest0-21swapper/520:41:265
14786299998,1cyclictest0-21swapper/522:51:395
14786299998,1cyclictest0-21swapper/522:36:125
14786299987,1cyclictest0-21swapper/523:48:055
14786299987,1cyclictest0-21swapper/519:15:495
14786299987,1cyclictest0-21swapper/519:08:345
14786299986,1cyclictest0-21swapper/521:43:195
14786299983,4cyclictest1821565-21cat21:48:205
14786299983,4cyclictest1586742-21cat19:53:335
14786299983,4cyclictest1538760-21wc19:28:315
14786299980,4cyclictest1833550-21/usr/sbin/munin21:53:195
14786299980,1cyclictest0-21swapper/521:28:345
14786299976,1cyclictest0-21swapper/520:53:065
14786299973,3cyclictest1626665-21expr20:18:195
14786299973,3cyclictest1-21systemd23:48:045
14786299972,4cyclictest1713256-21irqcore21:03:205
14786299970,6cyclictest1647193-21cut20:28:215
14786299970,6cyclictest0-21swapper/519:23:225
14786299965,1cyclictest0-21swapper/500:23:345
14786299961,1cyclictest201rcu_preempt23:53:295
14786299960,1cyclictest0-21swapper/522:23:455
14786299960,1cyclictest0-21swapper/500:08:295
14786299960,1cyclictest0-21swapper/500:08:295
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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