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2026-01-02 - 09:12
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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 Fri Jan 02, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
182502924332,8sleep40-21swapper/419:08:304
18249452416,30sleep70-21swapper/719:07:207
182478224131,7sleep60-21swapper/619:05:036
1825324994037,2cyclictest1099576-21kworker/u16:4+flush-8:019:18:534
182474423727,7sleep50-21swapper/519:04:305
1825333993432,2cyclictest2042909-21kworker/u16:0+flush-8:021:03:536
1825332993331,2cyclictest2275922-21kworker/u16:0+events_unbound23:04:205
1825333993230,2cyclictest1964911-21kworker/u16:3+events_unbound20:28:566
1825332993028,2cyclictest2167751-21kworker/u16:6+events_unbound22:17:415
1825324993028,2cyclictest2022162-21kworker/u16:5+events_unbound21:34:084
1825332992926,2cyclictest1099576-21kworker/u16:4+events_unbound20:03:395
1825332992926,2cyclictest1099576-21kworker/u16:4+events_unbound20:03:395
1825332992826,2cyclictest2134462-21kworker/u16:1+events_unbound22:56:135
1825332992826,2cyclictest1964911-21kworker/u16:3+events_unbound20:31:265
1825332992826,2cyclictest1907012-21kworker/u16:2+events_unbound19:52:175
23031432270,1chrt2303146-21cut23:09:017
1825332992725,2cyclictest2065711-21kworker/u16:3+events_unbound21:15:095
1825332992725,2cyclictest2022162-21kworker/u16:5+events_unbound21:45:055
1825332992725,2cyclictest2013585-21kworker/u16:2+events_unbound20:55:385
1825332992624,2cyclictest2207981-21kworker/u16:0+events_unbound22:36:335
1825332992624,2cyclictest1954927-21kworker/u16:1+events_unbound20:22:175
1825332992624,2cyclictest1099576-21kworker/u16:4+events_unbound19:20:025
1825324992624,2cyclictest2167751-21kworker/u16:6+events_unbound22:15:204
1825332992523,2cyclictest2392309-21kworker/u16:3+events_unbound00:10:405
1825332992523,2cyclictest2217413-21kworker/u16:3+events_unbound22:43:095
1825332992523,2cyclictest2197664-21kworker/u16:2+events_unbound22:26:095
1825332992523,2cyclictest2197664-21kworker/u16:2+events_unbound22:26:095
1825332992523,2cyclictest2197664-21kworker/u16:2+events_unbound22:22:565
1825332992523,2cyclictest1964911-21kworker/u16:3+events_unbound20:40:335
1825332992523,2cyclictest1878668-21kworker/u16:0+events_unbound20:12:295
1825324992523,2cyclictest1878668-21kworker/u16:0+events_unbound20:34:084
1825337992423,0cyclictest0-21swapper/720:59:217
1825337992423,0cyclictest0-21swapper/720:26:377
1825333992422,2cyclictest2309228-21kworker/u16:4+flush-8:000:08:536
1825333992422,2cyclictest1954927-21kworker/u16:1+flush-8:020:18:536
1825333992422,2cyclictest1954927-21kworker/u16:1+events_unbound21:13:516
1825332992422,2cyclictest2383816-21kworker/u16:2+events_unbound00:22:445
1825332992422,2cyclictest2372986-21kworker/u16:1+events_unbound23:56:135
1825332992422,2cyclictest2333946-21kworker/u16:0+events_unbound23:32:575
1825332992422,2cyclictest2309228-21kworker/u16:4+events_unbound23:50:135
1825332992422,2cyclictest2255205-21kworker/u16:2+events_unbound23:03:175
1825332992422,2cyclictest2255205-21kworker/u16:2+events_unbound22:44:575
1825332992422,2cyclictest2134462-21kworker/u16:1+events_unbound23:14:455
1825332992422,2cyclictest1964911-21kworker/u16:3+events_unbound20:35:175
1825332992422,2cyclictest1954927-21kworker/u16:1+events_unbound20:17:245
1825324992422,2cyclictest2333946-21kworker/u16:0+events_unbound23:59:074
1825324992422,2cyclictest2333946-21kworker/u16:0+events_unbound23:59:074
1825324992422,2cyclictest2134462-21kworker/u16:1+flush-8:022:53:534
1825324992422,2cyclictest1099576-21kworker/u16:4+flush-8:019:44:074
1825337992322,0cyclictest0-21swapper/721:04:027
1825337992322,0cyclictest0-21swapper/720:31:187
1825337992313,9cyclictest0-21swapper/719:24:017
1825332992321,2cyclictest2440357-21kworker/u16:0+events_unbound00:31:085
1825332992321,2cyclictest2333946-21kworker/u16:0+events_unbound23:36:175
1825332992321,2cyclictest2217413-21kworker/u16:3+events_unbound22:30:335
1825332992321,2cyclictest2134462-21kworker/u16:1+events_unbound22:04:575
1825332992321,2cyclictest2065711-21kworker/u16:3+events_unbound21:42:015
1825332992321,2cyclictest1907012-21kworker/u16:2+events_unbound19:58:175
1825332992321,2cyclictest1839091-21kworker/u16:0+events_unbound19:14:345
1825332992321,2cyclictest1813377-21kworker/u16:2+events_unbound19:09:255
1825337992221,0cyclictest0-21swapper/719:53:537
1825333992220,2cyclictest2383816-21kworker/u16:2+flush-8:000:04:026
1825332992220,2cyclictest2392309-21kworker/u16:3+events_unbound00:34:455
1825332992220,2cyclictest2265877-21kworker/u16:3+events_unbound23:22:265
1825332992220,2cyclictest2134462-21kworker/u16:1+events_unbound22:53:175
1825332992220,2cyclictest2022162-21kworker/u16:5+events_unbound21:36:465
1825332992220,2cyclictest2022162-21kworker/u16:5+events_unbound20:50:455
1825332992220,2cyclictest1983222-21kworker/u16:4+events_unbound20:25:055
1825332992220,2cyclictest1878668-21kworker/u16:0+flush-8:019:48:335
1825332992220,2cyclictest1099576-21kworker/u16:4+events_unbound20:02:585
1825332992220,2cyclictest1099576-21kworker/u16:4+events_unbound19:41:095
1825324992219,3cyclictest2217413-21kworker/u16:3+flush-8:022:33:534
1825324992219,3cyclictest2134462-21kworker/u16:1+flush-8:023:19:084
1825337992120,0cyclictest0-21swapper/723:29:507
1825337992120,0cyclictest0-21swapper/722:30:087
1825333992119,2cyclictest2217413-21kworker/u16:3+events_unbound22:38:536
1825332992119,2cyclictest2333946-21kworker/u16:0+events_unbound00:00:175
1825332992119,2cyclictest2333946-21kworker/u16:0+events_unbound00:00:175
1825332992119,2cyclictest2167751-21kworker/u16:6+events_unbound22:09:035
1825332992119,2cyclictest2167751-21kworker/u16:6+events_unbound22:01:025
1825332992119,2cyclictest2134462-21kworker/u16:1+events_unbound23:27:375
1825332992119,2cyclictest2134462-21kworker/u16:1+events_unbound23:12:365
1825332992119,2cyclictest2065711-21kworker/u16:3+events_unbound21:21:225
1825332992119,2cyclictest2022162-21kworker/u16:5+events_unbound21:33:175
1825332992119,2cyclictest2022162-21kworker/u16:5+events_unbound21:26:375
1825332992119,2cyclictest1813377-21kworker/u16:2+events_unbound19:27:085
1825324992119,2cyclictest2110510-21kworker/u16:0+flush-8:022:04:094
1825324992117,3cyclictest2265877-21kworker/u16:3+flush-8:023:08:374
1825337992019,0cyclictest0-21swapper/723:58:527
1825337992019,0cyclictest0-21swapper/723:58:527
1825337992019,0cyclictest0-21swapper/723:48:517
1825337992019,0cyclictest0-21swapper/722:36:507
1825337992019,0cyclictest0-21swapper/721:30:107
1825337992019,0cyclictest0-21swapper/719:20:437
1825333992017,2cyclictest1099576-21kworker/u16:4+events_unbound19:38:506
1825332992018,2cyclictest2309228-21kworker/u16:4+events_unbound23:42:265
1825332992018,2cyclictest1813377-21kworker/u16:2+events_unbound19:30:265
1825324992018,2cyclictest2309228-21kworker/u16:4+flush-8:000:09:074
1825337991918,0cyclictest0-21swapper/721:39:257
1825337991918,0cyclictest0-21swapper/721:17:227
1825337991918,0cyclictest0-21swapper/720:48:527
1825337991918,0cyclictest0-21swapper/720:10:267
1825332991917,2cyclictest2022162-21kworker/u16:5+events_unbound21:52:285
1825332991917,2cyclictest2022162-21kworker/u16:5+events_unbound21:02:275
1825332991917,2cyclictest1954927-21kworker/u16:1+events_unbound21:11:345
1825324991917,2cyclictest2134462-21kworker/u16:1+events_unbound21:59:034
1825324991917,2cyclictest1099576-21kworker/u16:4+events_unbound20:09:094
1825324991916,2cyclictest1813377-21kworker/u16:2+flush-8:019:28:534
23918732180,0sleep60-21swapper/623:58:196
1825337991817,0cyclictest0-21swapper/722:45:557
1825337991817,0cyclictest0-21swapper/720:34:047
1825337991815,2cyclictest650-21systemd-journal22:15:197
1825337991814,3cyclictest1267-21snmpd00:27:397
1825333991816,2cyclictest2265877-21kworker/u16:3+flush-8:023:24:066
1825333991816,2cyclictest2149611-21kworker/u16:2+events_unbound21:58:536
1825333991816,2cyclictest2022162-21kworker/u16:5+flush-8:022:09:046
1825333991816,2cyclictest1099576-21kworker/u16:4+flush-8:019:29:016
182533399180,17cyclictest1983406-21sendmail_mailqu20:24:086
1825332991816,2cyclictest2383816-21kworker/u16:2+events_unbound00:15:305
1825332991816,2cyclictest2383816-21kworker/u16:2+events_unbound00:06:305
1825332991816,2cyclictest2363151-21kworker/u16:3+events_unbound23:45:385
1825332991816,2cyclictest2013585-21kworker/u16:2+events_unbound20:47:105
1825332991816,2cyclictest1099576-21kworker/u16:4+events_unbound19:38:195
1825324991815,3cyclictest2333946-21kworker/u16:0+flush-8:023:38:384
1825324991815,2cyclictest2065711-21kworker/u16:3+flush-8:021:18:564
1825337991717,0cyclictest0-21swapper/722:42:587
1825337991716,0cyclictest0-21swapper/721:59:047
1825337991716,0cyclictest0-21swapper/720:53:577
1825337991716,0cyclictest0-21swapper/719:31:587
1825337991713,3cyclictest1267-21snmpd00:35:097
1825337991712,4cyclictest1916313-21latency_hist19:53:387
182533799170,16cyclictest1267-21snmpd21:13:107
1825333991715,2cyclictest2309228-21kworker/u16:4+flush-8:023:33:536
1825333991715,2cyclictest2167751-21kworker/u16:6+flush-8:022:23:326
1825333991715,2cyclictest1954927-21kworker/u16:1+events_unbound21:23:586
1825333991715,2cyclictest1954927-21kworker/u16:1+events_unbound20:39:096
1825333991715,2cyclictest1907012-21kworker/u16:2+flush-8:019:58:336
1825332991715,2cyclictest2158009-21kworker/u16:4+events_unbound21:55:325
1825324991715,2cyclictest2110510-21kworker/u16:0+flush-8:021:54:044
1825324991715,2cyclictest1813377-21kworker/u16:2+flush-8:019:13:384
1825337991616,0cyclictest0-21swapper/722:25:507
1825337991616,0cyclictest0-21swapper/722:25:507
1825337991615,0cyclictest0-21swapper/723:23:447
1825337991615,0cyclictest0-21swapper/721:25:507
1825337991615,0cyclictest0-21swapper/720:13:547
1825337991615,0cyclictest0-21swapper/719:59:047
1825337991613,2cyclictest0-21swapper/720:03:387
1825337991613,2cyclictest0-21swapper/720:03:387
1825333991614,2cyclictest2265877-21kworker/u16:3+flush-8:023:23:336
1825333991614,2cyclictest2255205-21kworker/u16:2+flush-8:023:13:326
1825333991614,2cyclictest2217413-21kworker/u16:3+flush-8:022:34:096
1825333991614,2cyclictest2207981-21kworker/u16:0+events_unbound22:43:526
1825333991614,2cyclictest2065711-21kworker/u16:3+events_unbound21:48:536
1825333991614,2cyclictest1907012-21kworker/u16:2+events_unbound19:59:006
1825333991614,2cyclictest1099576-21kworker/u16:4+events_unbound19:33:536
1825333991612,3cyclictest2209806-21kthreadcore22:23:576
1825333991612,3cyclictest2209806-21kthreadcore22:23:576
1825332991614,2cyclictest2042909-21kworker/u16:0+flush-8:021:04:245
1825324991614,2cyclictest2440357-21kworker/u16:0+events_unbound00:38:374
1825324991614,2cyclictest2022162-21kworker/u16:5+events_unbound21:29:014
1825337991514,0cyclictest0-21swapper/723:08:027
1825337991514,0cyclictest0-21swapper/721:54:597
1825337991514,0cyclictest0-21swapper/721:23:067
1825337991514,0cyclictest0-21swapper/720:43:107
1825337991510,4cyclictest2265838-21latency_hist22:53:387
1825337991510,3cyclictest2305025-21/usr/sbin/munin23:14:087
182533799150,14cyclictest0-21swapper/722:04:087
1825333991513,2cyclictest2134462-21kworker/u16:1+events_unbound23:28:516
1825333991513,2cyclictest2134462-21kworker/u16:1+events_unbound23:14:126
1825333991513,2cyclictest2042909-21kworker/u16:0+events_unbound20:59:076
1825333991513,2cyclictest2022162-21kworker/u16:5+events_unbound21:34:046
1825333991513,2cyclictest1099576-21kworker/u16:4+events_unbound19:18:526
1825332991513,2cyclictest2440357-21kworker/u16:0+events_unbound00:25:435
182532499157,7cyclictest0-21swapper/420:18:534
1825324991513,2cyclictest1813377-21kworker/u16:2+events_unbound19:23:514
1825324991513,2cyclictest1099576-21kworker/u16:4+flush-8:019:33:564
1825324991512,3cyclictest2134462-21kworker/u16:1+flush-8:022:29:084
1825324991512,2cyclictest2309228-21kworker/u16:4+flush-8:000:03:554
182532499150,14cyclictest0-21swapper/419:59:014
1825337991414,0cyclictest0-21swapper/720:45:197
1825337991413,0cyclictest0-21swapper/723:20:157
1825337991413,0cyclictest0-21swapper/719:42:197
1825337991413,0cyclictest0-21swapper/700:05:437
182533799140,13cyclictest0-21swapper/720:19:037
1825333991412,2cyclictest2392309-21kworker/u16:3+flush-8:000:34:036
1825333991412,2cyclictest2255205-21kworker/u16:2+events_unbound22:59:076
1825333991412,2cyclictest2065711-21kworker/u16:3+flush-8:021:44:066
1825333991412,2cyclictest1983222-21kworker/u16:4+events_unbound20:46:546
1825333991412,2cyclictest1954927-21kworker/u16:1+events_unbound20:14:016
1825333991411,2cyclictest2110510-21kworker/u16:0+flush-8:022:03:436
1825333991411,2cyclictest2022162-21kworker/u16:5+events_unbound20:53:456
1825324991411,2cyclictest1983222-21kworker/u16:4+events_unbound20:29:074
182533799139,3cyclictest1267-21snmpd23:37:207
182533799139,3cyclictest1267-21snmpd22:20:547
182533799139,3cyclictest1267-21snmpd21:37:447
182533799139,3cyclictest1267-21snmpd19:17:047
182533799135,7cyclictest6344-21gmain21:43:527
1825337991312,0cyclictest0-21swapper/719:43:437
1825337991312,0cyclictest0-21swapper/700:28:487
1825333991311,2cyclictest2383816-21kworker/u16:2+flush-8:000:13:536
1825333991311,2cyclictest2309228-21kworker/u16:4+events_unbound00:19:126
1825333991311,2cyclictest2134462-21kworker/u16:1+events_unbound22:53:566
1825333991311,2cyclictest2022162-21kworker/u16:5+flush-8:021:43:336
1825333991311,2cyclictest1964911-21kworker/u16:3+events_unbound20:38:326
1825333991311,2cyclictest1907012-21kworker/u16:2+events_unbound19:49:136
182533399130,13cyclictest0-21swapper/623:06:216
1825324991312,1cyclictest0-21swapper/421:14:084
1825324991311,2cyclictest2363151-21kworker/u16:3+flush-8:023:43:534
182532499130,1cyclictest0-21swapper/422:47:184
182532499130,13cyclictest0-21swapper/420:59:094
182533799128,3cyclictest1267-21snmpd00:18:387
182533799122,1cyclictest0-21swapper/719:08:517
1825337991212,0cyclictest0-21swapper/700:18:027
182533799120,11cyclictest1267-21snmpd19:35:597
182533399129,2cyclictest2309228-21kworker/u16:4+flush-8:023:43:576
1825333991211,1cyclictest0-21swapper/619:25:106
1825333991211,1cyclictest0-21swapper/600:29:176
1825333991210,2cyclictest2207981-21kworker/u16:0+events_unbound22:48:536
1825333991210,2cyclictest2134462-21kworker/u16:1+flush-8:022:29:296
1825333991210,2cyclictest2065711-21kworker/u16:3+flush-8:021:18:546
1825333991210,2cyclictest2022162-21kworker/u16:5+events_unbound20:49:176
1825333991210,2cyclictest1878668-21kworker/u16:0+events_unbound20:13:336
1825333991210,2cyclictest1878668-21kworker/u16:0+events_unbound19:45:546
1825333991210,2cyclictest1099576-21kworker/u16:4+events_unbound19:13:596
182532499120,1cyclictest0-21swapper/422:25:334
182532499120,1cyclictest0-21swapper/422:25:334
182532499120,1cyclictest0-21swapper/421:48:204
182532499120,1cyclictest0-21swapper/421:43:084
182532499120,12cyclictest0-21swapper/420:43:524
182533799118,2cyclictest1267-21snmpd23:45:117
182533799115,5cyclictest6184-21gvfs-afc-volume22:08:517
182533799115,5cyclictest6184-21gvfs-afc-volume21:48:517
182533799111,9cyclictest0-21swapper/723:54:037
1825337991111,0cyclictest0-21swapper/722:54:037
182533799110,9cyclictest0-21swapper/722:59:027
182533799110,10cyclictest2421289-21cut00:13:387
182533399119,2cyclictest2333946-21kworker/u16:0+events_unbound23:39:566
182533399118,2cyclictest841rcuc/620:03:576
182533399118,2cyclictest841rcuc/620:03:576
182533399117,3cyclictest2373464-21tune2fs23:48:516
1825333991110,1cyclictest0-21swapper/623:59:106
1825333991110,1cyclictest0-21swapper/623:59:106
1825333991110,1cyclictest0-21swapper/622:14:206
182532499119,2cyclictest2255205-21kworker/u16:2+flush-8:022:58:594
182532499119,2cyclictest2217413-21kworker/u16:3+events_unbound22:38:514
182532499119,2cyclictest2022162-21kworker/u16:5+events_unbound21:23:534
1825324991110,1cyclictest0-21swapper/423:58:054
1825324991110,1cyclictest0-21swapper/423:10:194
1825324991110,1cyclictest0-21swapper/422:49:404
1825324991110,1cyclictest0-21swapper/421:05:284
1825324991110,1cyclictest0-21swapper/420:49:514
1825324991110,1cyclictest0-21swapper/420:04:364
1825324991110,1cyclictest0-21swapper/420:04:364
1825324991110,1cyclictest0-21swapper/419:16:034
1825324991110,1cyclictest0-21swapper/400:29:564
182532499110,1cyclictest0-21swapper/420:28:254
182532499110,11cyclictest0-21swapper/420:15:104
182532499110,11cyclictest0-21swapper/400:20:574
626589100,1rtkit-daemon0-21swapper/423:39:444
182533799100,1cyclictest0-21swapper/723:38:497
182533399108,2cyclictest1954927-21kworker/u16:1+events_unbound21:29:156
182533399108,2cyclictest1813377-21kworker/u16:2+flush-8:019:12:126
182533399108,1cyclictest2441972-21sed00:23:546
182533399100,9cyclictest0-21swapper/621:53:576
182532499109,1cyclictest0-21swapper/423:49:164
182532499109,1cyclictest0-21swapper/420:40:524
182532499109,1cyclictest0-21swapper/419:40:384
182532499109,1cyclictest0-21swapper/400:26:474
18253249998,1cyclictest0-21swapper/422:13:064
18253249998,1cyclictest0-21swapper/419:50:534
18253249998,1cyclictest0-21swapper/400:18:074
18253249997,2cyclictest1954927-21kworker/u16:1+flush-8:021:08:534
18253249994,4cyclictest2037372-21cut20:53:584
18253249987,1cyclictest0-21swapper/423:28:464
18253249983,4cyclictest2313381-21ntp_kernel_pll_23:14:034
18253249983,4cyclictest2141517-21cut21:48:554
18253249983,4cyclictest1919901-21cut19:53:574
18253339976,1cyclictest0-21swapper/621:10:576
18253249974,2cyclictest2199286-21irqcore22:18:544
18253249973,3cyclictest2325694-21grep23:23:594
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