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2026-06-01 - 01:35
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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 Mon Jun 01, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3581142680,1sleep576-21ksoftirqd/520:02:155
24204424838,7sleep40-21swapper/419:05:184
6095772460,0sleep7609578-21sh22:02:057
242449994543,2cyclictest883921-21kworker/u16:2+events_unbound23:57:535
242449994442,2cyclictest597082-21kworker/u16:0+events_unbound22:27:245
242449994139,2cyclictest813785-21kworker/u16:1+events_unbound23:30:145
2335552393,30sleep70-21swapper/719:02:087
242459993532,2cyclictest786923-21ssh23:12:177
242449993533,2cyclictest729789-21kworker/u16:0+events_unbound23:19:025
9370602340,1chrt937058-21ssh00:21:257
242459993327,5cyclictest635-21systemd-journal22:26:527
242459993327,5cyclictest313384-21latency_hist19:41:527
242449993230,2cyclictest862165-21kworker/u16:0+events_unbound23:52:505
242449993230,2cyclictest476826-21kworker/u16:3+events_unbound22:05:035
242459993130,0cyclictest0-21swapper/719:27:077
242453993129,2cyclictest642739-21kworker/u16:1+events_unbound22:17:186
242449993129,2cyclictest883921-21kworker/u16:2+events_unbound00:21:015
242449993129,2cyclictest862165-21kworker/u16:0+events_unbound23:49:505
242449993129,2cyclictest693396-21kworker/u16:4+events_unbound23:03:025
242449993129,2cyclictest693396-21kworker/u16:4+events_unbound23:03:025
242449993129,2cyclictest693396-21kworker/u16:4+events_unbound22:57:025
242449993129,2cyclictest409190-21kworker/u16:1+events_unbound21:25:195
242459993029,0cyclictest0-21swapper/721:47:057
242459993029,0cyclictest0-21swapper/720:22:227
242449993028,2cyclictest729789-21kworker/u16:0+events_unbound23:16:375
242449993028,2cyclictest642739-21kworker/u16:1+events_unbound22:54:145
242449993028,2cyclictest536740-21kworker/u16:4+events_unbound21:38:035
242449993028,2cyclictest351364-21kworker/u16:2+events_unbound21:51:345
242459992923,5cyclictest657197-21latency_hist22:21:527
242449992927,2cyclictest883921-21kworker/u16:2+events_unbound00:32:015
242449992927,2cyclictest729789-21kworker/u16:0+events_unbound23:11:345
242449992927,2cyclictest351364-21kworker/u16:2+events_unbound21:36:395
242449992927,2cyclictest351364-21kworker/u16:2+events_unbound21:09:025
242449992926,2cyclictest476826-21kworker/u16:3+flush-8:021:41:535
242449992925,3cyclictest693396-21kworker/u16:4+events_unbound23:43:295
242449992925,3cyclictest693396-21kworker/u16:4+events_unbound23:43:295
242459992826,1cyclictest0-21swapper/721:37:187
242459992822,5cyclictest635-21systemd-journal23:46:517
242459992822,5cyclictest635-21systemd-journal23:46:517
242449992826,2cyclictest693396-21kworker/u16:4+events_unbound22:43:225
242449992826,2cyclictest409190-21kworker/u16:1+events_unbound21:20:515
242449992826,2cyclictest351364-21kworker/u16:2+flush-8:022:09:015
24197922817,8sleep50-21swapper/519:04:235
242459992726,0cyclictest0-21swapper/723:27:207
242459992726,0cyclictest0-21swapper/723:07:067
242459992726,0cyclictest0-21swapper/721:27:157
242459992725,1cyclictest0-21swapper/700:07:127
242449992726,1cyclictest790331-21kworker/u16:2+events_unbound23:26:195
242449992725,2cyclictest886169-21kworker/u16:3+events_unbound00:02:545
242449992725,2cyclictest883921-21kworker/u16:2+events_unbound00:25:305
242449992725,2cyclictest883921-21kworker/u16:2+events_unbound00:25:305
242459992625,0cyclictest0-21swapper/721:42:207
242459992625,0cyclictest0-21swapper/720:37:177
242459992622,3cyclictest512496-21latency_hist21:21:527
242449992624,2cyclictest883921-21kworker/u16:2+events_unbound00:15:055
242449992624,2cyclictest813785-21kworker/u16:1+events_unbound23:37:205
242449992624,2cyclictest597082-21kworker/u16:0+events_unbound22:34:505
242449992624,2cyclictest476826-21kworker/u16:3+events_unbound22:47:515
242449992622,3cyclictest265712-21kworker/u16:3+flush-8:019:17:195
23302922616,7sleep60-21swapper/619:01:596
242459992524,0cyclictest0-21swapper/719:47:087
242459992522,2cyclictest418857-21sort20:36:527
242449992523,2cyclictest813785-21kworker/u16:1+events_unbound23:36:495
242449992523,2cyclictest813785-21kworker/u16:1+events_unbound00:10:495
242449992523,2cyclictest476826-21kworker/u16:3+events_unbound22:38:585
242449992523,2cyclictest476826-21kworker/u16:3+events_unbound22:19:495
242449992523,2cyclictest351364-21kworker/u16:2+events_unbound21:14:425
242449992422,2cyclictest597082-21kworker/u16:0+events_unbound21:57:425
242449992422,2cyclictest409190-21kworker/u16:1+events_unbound21:28:585
242459992321,1cyclictest946225-21ssh00:22:157
242459992321,1cyclictest946225-21ssh00:22:157
242459992321,1cyclictest0-21swapper/720:02:127
242453992321,2cyclictest693396-21kworker/u16:4+events_unbound22:47:206
242453992320,2cyclictest265712-21kworker/u16:3+flush-8:019:27:186
242449992321,2cyclictest597082-21kworker/u16:0+events_unbound22:26:375
242449992321,2cyclictest597082-21kworker/u16:0+events_unbound22:26:375
242449992318,2cyclictest813785-21kworker/u16:1+flush-8:000:31:515
242444992321,2cyclictest597082-21kworker/u16:0+events_unbound22:29:234
242444992320,2cyclictest693396-21kworker/u16:4+events_unbound00:16:544
24245999220,20cyclictest124-21kswapd023:17:177
242449992220,2cyclictest536740-21kworker/u16:4+events_unbound21:55:505
242449992220,2cyclictest409190-21kworker/u16:1+flush-8:021:02:215
242449992220,2cyclictest179595-21kworker/u16:1+events_unbound19:16:385
242459992119,1cyclictest0-21swapper/720:12:177
242453992119,2cyclictest813785-21kworker/u16:1+events_unbound23:27:066
242453992118,2cyclictest790331-21kworker/u16:2+flush-8:023:21:526
242449992119,2cyclictest418656-21kworker/u16:3+flush-8:020:47:215
242444992119,2cyclictest476826-21kworker/u16:3+events_unbound21:33:064
242444992119,2cyclictest351364-21kworker/u16:2+events_unbound21:57:514
242444992119,2cyclictest265712-21kworker/u16:3+events_unbound19:37:054
242444992118,2cyclictest597082-21kworker/u16:0+events_unbound22:31:564
242459992019,0cyclictest0-21swapper/723:22:057
242459992019,0cyclictest0-21swapper/700:32:217
242459992015,4cyclictest838014-21latency_hist23:36:517
242453992018,2cyclictest456370-21kworker/u16:0+events_unbound21:02:106
242453992017,2cyclictest0-21swapper/621:47:066
242453992016,3cyclictest642739-21kworker/u16:1+flush-8:022:37:086
242449992018,2cyclictest242206-21kworker/u16:0+events_unbound20:16:385
242444992018,2cyclictest790331-21kworker/u16:2+events_unbound23:43:374
242444992018,2cyclictest790331-21kworker/u16:2+events_unbound23:43:374
242444992018,2cyclictest729789-21kworker/u16:0+events_unbound22:57:534
242444992018,2cyclictest693396-21kworker/u16:4+events_unbound00:33:544
242444992018,2cyclictest409190-21kworker/u16:1+events_unbound21:09:104
242459991918,0cyclictest0-21swapper/723:47:167
242459991918,0cyclictest0-21swapper/722:32:117
242459991918,0cyclictest0-21swapper/721:02:247
242459991916,1cyclictest0-21swapper/721:32:197
242453991917,2cyclictest693396-21kworker/u16:4+events_unbound00:12:096
242449991917,2cyclictest476826-21kworker/u16:3+flush-8:022:13:385
242449991917,2cyclictest242206-21kworker/u16:0+flush-8:020:32:135
242449991917,2cyclictest242206-21kworker/u16:0+flush-8:019:41:525
242449991916,3cyclictest352043-21kworker/u16:4+flush-8:020:07:185
242444991917,2cyclictest813785-21kworker/u16:1+events_unbound23:38:304
242444991917,2cyclictest693396-21kworker/u16:4+events_unbound22:53:514
242444991917,2cyclictest642739-21kworker/u16:1+events_unbound23:03:454
242444991917,2cyclictest642739-21kworker/u16:1+events_unbound23:03:454
242444991917,2cyclictest476826-21kworker/u16:3+events_unbound22:20:024
242444991917,2cyclictest351364-21kworker/u16:2+events_unbound21:45:314
242444991917,2cyclictest351364-21kworker/u16:2+events_unbound21:12:064
4871632180,0chrt487165-21sh21:09:327
24245999180,16cyclictest0-21swapper/720:27:167
242449991816,2cyclictest456370-21kworker/u16:0+events_unbound20:57:225
242449991816,2cyclictest351364-21kworker/u16:2+flush-8:020:52:215
242449991814,3cyclictest242206-21kworker/u16:0+flush-8:020:22:185
242444991816,2cyclictest693396-21kworker/u16:4+events_unbound22:42:464
242444991816,2cyclictest418656-21kworker/u16:3+events_unbound20:48:034
242444991816,2cyclictest351364-21kworker/u16:2+events_unbound22:07:594
242449991715,2cyclictest265712-21kworker/u16:3+events_unbound19:31:025
242449991714,2cyclictest179595-21kworker/u16:1+events_unbound19:46:555
242444991715,2cyclictest883921-21kworker/u16:2+events_unbound00:15:584
242444991715,2cyclictest790331-21kworker/u16:2+events_unbound23:33:374
242444991715,2cyclictest693396-21kworker/u16:4+events_unbound23:49:294
242444991715,2cyclictest693396-21kworker/u16:4+events_unbound00:26:174
242444991715,2cyclictest693396-21kworker/u16:4+events_unbound00:26:174
242444991715,2cyclictest476826-21kworker/u16:3+events_unbound22:13:534
242459991613,2cyclictest894805-21ssh23:57:157
24245999160,14cyclictest0-21swapper/719:22:197
242449991614,2cyclictest179595-21kworker/u16:1+events_unbound19:58:025
242444991614,2cyclictest883921-21kworker/u16:2+events_unbound00:29:214
242444991614,2cyclictest693396-21kworker/u16:4+events_unbound23:15:294
242444991614,2cyclictest5944-21gsd-housekeepin21:48:514
242444991614,2cyclictest456370-21kworker/u16:0+events_unbound21:01:314
242444991614,2cyclictest409190-21kworker/u16:1+events_unbound21:25:544
242444991614,2cyclictest351364-21kworker/u16:2+events_unbound20:42:024
242459991514,0cyclictest0-21swapper/720:11:177
242459991514,0cyclictest0-21swapper/719:07:177
242459991514,0cyclictest0-21swapper/700:03:417
242459991512,2cyclictest0-21swapper/719:11:537
242453991513,2cyclictest693396-21kworker/u16:4+events_unbound23:32:076
242449991513,2cyclictest409190-21kworker/u16:1+events_unbound20:38:035
242449991513,2cyclictest265712-21kworker/u16:3+flush-8:019:32:135
242449991513,2cyclictest265712-21kworker/u16:3+flush-8:019:32:135
242444991513,2cyclictest883921-21kworker/u16:2+events_unbound00:04:264
242444991513,2cyclictest693396-21kworker/u16:4+events_unbound23:24:014
242444991513,2cyclictest642739-21kworker/u16:1+events_unbound22:49:354
242444991513,2cyclictest476826-21kworker/u16:3+events_unbound21:20:534
242444991513,2cyclictest456370-21kworker/u16:0+events_unbound20:56:354
242444991513,2cyclictest242206-21kworker/u16:0+events_unbound20:21:334
242444991513,2cyclictest242206-21kworker/u16:0+events_unbound20:21:334
242444991513,2cyclictest242206-21kworker/u16:0+events_unbound19:24:374
242444991513,2cyclictest223452-21kworker/u16:2+events_unbound19:11:154
242444991513,1cyclictest658213-21/usr/sbin/munin22:22:064
242444991513,1cyclictest658213-21/usr/sbin/munin22:22:064
242444991513,1cyclictest534062-21unixbench_multi21:27:204
242444991512,2cyclictest5944-21gsd-housekeepin20:33:514
242444991512,2cyclictest5944-21gsd-housekeepin19:59:514
242444991512,2cyclictest409190-21kworker/u16:1+events_unbound20:36:554
242459991413,0cyclictest0-21swapper/723:02:137
242459991413,0cyclictest0-21swapper/723:02:137
242459991413,0cyclictest0-21swapper/720:42:147
242459991413,0cyclictest0-21swapper/719:32:087
242459991413,0cyclictest0-21swapper/719:32:087
242459991412,1cyclictest0-21swapper/720:57:137
242459991412,1cyclictest0-21swapper/719:57:057
24245999140,1cyclictest0-21swapper/721:52:177
242453991413,1cyclictest0-21swapper/621:14:416
242453991412,2cyclictest862165-21kworker/u16:0+events_unbound23:52:196
242453991410,3cyclictest427598-21/usr/sbin/munin20:37:196
24245399140,1cyclictest0-21swapper/621:57:156
242449991412,2cyclictest265712-21kworker/u16:3+events_unbound19:22:225
242444991413,1cyclictest0-21swapper/423:28:464
242444991413,1cyclictest0-21swapper/421:38:434
242444991412,2cyclictest693396-21kworker/u16:4+events_unbound23:17:534
242444991412,2cyclictest5944-21gsd-housekeepin19:30:514
242444991412,2cyclictest456370-21kworker/u16:0+events_unbound21:02:534
242444991412,2cyclictest352043-21kworker/u16:4+events_unbound20:13:574
242444991412,2cyclictest351364-21kworker/u16:2+events_unbound21:52:584
242444991412,2cyclictest265712-21kworker/u16:3+events_unbound19:31:544
242444991412,2cyclictest265712-21kworker/u16:3+events_unbound19:31:544
242444991412,2cyclictest179595-21kworker/u16:1+events_unbound19:46:014
242444991412,2cyclictest179595-21kworker/u16:1+events_unbound19:12:024
242444991411,3cyclictest351364-21kworker/u16:2+flush-8:022:02:514
24244499140,14cyclictest0-21swapper/423:55:154
24244499140,14cyclictest0-21swapper/420:06:304
24245999139,3cyclictest1234-21snmpd21:12:177
242459991313,0cyclictest0-21swapper/700:15:527
242459991312,0cyclictest0-21swapper/723:54:047
242459991312,0cyclictest0-21swapper/722:47:377
242459991312,0cyclictest0-21swapper/721:57:207
242459991312,0cyclictest0-21swapper/719:42:137
242453991312,1cyclictest0-21swapper/623:38:576
242453991312,1cyclictest0-21swapper/622:58:076
242453991312,1cyclictest0-21swapper/600:24:126
242453991312,1cyclictest0-21swapper/600:24:126
24245399130,13cyclictest0-21swapper/623:49:316
24245399130,13cyclictest0-21swapper/621:23:036
242449991311,2cyclictest418656-21kworker/u16:3+events_unbound20:42:185
242444991312,1cyclictest341161-21sh19:52:164
242444991311,1cyclictest902441-21perl00:07:024
242444991311,1cyclictest769617-21cut23:07:094
242444991311,1cyclictest695825-21cat22:37:084
242444991311,1cyclictest406182-21kthreadcore20:27:124
242444991311,1cyclictest364350-21cat20:07:124
242444991311,1cyclictest327811-21tr19:47:134
242444991311,1cyclictest267212-21cut19:17:114
242444991310,2cyclictest886619-21/usr/sbin/munin23:57:044
24245999129,2cyclictest1234-21snmpd21:25:027
24245999129,2cyclictest0-21swapper/722:12:047
24245999128,3cyclictest1234-21snmpd22:45:537
24245999128,3cyclictest1234-21snmpd20:21:107
24245999128,3cyclictest1234-21snmpd20:21:107
24245999128,2cyclictest734971-21ssh22:52:117
24245999124,7cyclictest6032-21gmain20:52:137
242459991212,0cyclictest0-21swapper/722:59:017
242453991211,1cyclictest408131-21strings20:27:146
242453991211,1cyclictest0-21swapper/622:27:226
242453991211,1cyclictest0-21swapper/619:40:066
242449991210,2cyclictest351364-21kworker/u16:2+events_unbound20:19:025
242449991210,2cyclictest351364-21kworker/u16:2+events_unbound20:19:025
242449991210,2cyclictest179595-21kworker/u16:1+events_unbound19:56:305
242444991210,2cyclictest351364-21kworker/u16:2+events_unbound20:24:174
24245999118,2cyclictest1234-21snmpd20:47:107
24245999116,5cyclictest6382-21gvfs-afc-volume23:39:507
24245999116,4cyclictest1234-21snmpd19:52:127
242459991110,1cyclictest0-21swapper/722:38:537
24245399117,3cyclictest525815-21cat21:27:076
24245399117,3cyclictest418656-21kworker/u16:3+flush-8:020:47:196
24245399117,3cyclictest302849-21awk19:32:156
24245399117,3cyclictest302849-21awk19:32:156
24245399116,4cyclictest588554-21kthreadcore21:52:106
242453991110,1cyclictest0-21swapper/623:09:006
242453991110,1cyclictest0-21swapper/620:18:156
242453991110,1cyclictest0-21swapper/620:18:156
242453991110,1cyclictest0-21swapper/620:05:106
242453991110,1cyclictest0-21swapper/619:15:206
242453991110,1cyclictest0-21swapper/600:00:526
24245399110,4cyclictest705923-21/usr/sbin/munin22:42:176
24245399110,3cyclictest967170-21kthreadcore00:32:116
24245399110,3cyclictest283888-21cat19:22:216
24245399110,11cyclictest0-21swapper/620:57:406
24244999119,2cyclictest242206-21kworker/u16:0+flush-8:019:07:285
24245999109,0cyclictest0-21swapper/719:17:217
24245999107,2cyclictest1234-21snmpd00:26:527
24245999107,2cyclictest0-21swapper/722:07:127
24245399109,1cyclictest0-21swapper/621:40:046
24245399108,2cyclictest86-21ksoftirqd/622:02:186
24245399108,2cyclictest86-21ksoftirqd/600:06:456
24245399107,2cyclictest448966-21irqcore20:52:096
24245399107,2cyclictest0-21swapper/623:02:056
24245399107,2cyclictest0-21swapper/623:02:056
24245399106,3cyclictest902523-21cat00:07:036
24245399105,4cyclictest861479-21chrt23:45:506
24245399105,4cyclictest861479-21chrt23:45:506
24245399105,4cyclictest5951-21gsd-power21:43:306
24245399100,9cyclictest390671-21grep20:22:056
24245399100,9cyclictest339856-21kthreadcore19:52:126
24245399100,9cyclictest322318-21timerandwakeup19:42:216
24245399100,9cyclictest0-21swapper/600:17:186
24245399100,4cyclictest479346-21cut21:07:106
24245399100,3cyclictest811365-21timerwakeupswit23:22:206
24244999109,1cyclictest0-21swapper/520:31:405
24244999108,2cyclictest179595-21kworker/u16:1+events_unbound19:42:205
2424599996,2cyclictest0-21swapper/722:22:117
2424599996,2cyclictest0-21swapper/722:22:117
2424539997,2cyclictest86-21ksoftirqd/623:15:336
2424539997,2cyclictest86-21ksoftirqd/622:13:176
2424539997,1cyclictest0-21swapper/620:42:106
2424539996,2cyclictest658375-21tune2fs22:22:066
2424539996,2cyclictest658375-21tune2fs22:22:066
2424539996,2cyclictest544552-21cut21:32:126
2424539996,2cyclictest502290-21kthreadcore21:17:096
2424539994,4cyclictest731781-21tr22:52:096
2424539993,5cyclictest0-21swapper/622:32:056
2424539990,8cyclictest625990-21kthreadcore22:07:126
2424539990,8cyclictest0-21swapper/600:27:066
2424539990,3cyclictest412533-21cat20:32:096
2424539990,3cyclictest361772-21cpuspeed20:07:066
2424539990,3cyclictest266339-21fschecks_time19:17:086
2424539990,2cyclictest323338-21/usr/sbin/munin19:47:096
2424539985,2cyclictest0-21swapper/619:57:146
2424539973,3cyclictest371244-21cpu20:12:046
2424539970,2cyclictest242656-21/usr/sbin/munin19:07:046
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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