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2026-04-13 - 14:33
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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
Characteristics of all highest latencies:
System rack2slot0.osadl.org (updated Mon Apr 13, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
258942780,0sleep00-21swapper/011:12:320
168692750,1sleep016872-21bash12:23:010
74552590,0sleep20-21swapper/209:44:352
292162580,0sleep20-21swapper/210:05:412
292162580,0sleep20-21swapper/210:05:412
246042560,0sleep30-21swapper/310:05:183
246042560,0sleep30-21swapper/310:05:183
55082550,1sleep05501-21bash09:21:420
201112550,0sleep30-21swapper/311:17:443
169932530,0sleep20-21swapper/210:10:152
169932530,0sleep20-21swapper/210:10:142
35432520,2sleep02021599cyclictest11:19:090
209102520,1sleep320907-21lspci10:55:133
255792510,1sleep325576-21lspci12:11:193
52392500,0sleep30-21swapper/309:38:513
35482490,0sleep20-21swapper/211:13:272
319542490,0sleep10-21swapper/111:42:011
261802490,0sleep30-21swapper/309:20:163
260012490,0sleep026002-21bash11:50:180
52382480,0sleep20-21swapper/212:15:262
94622470,0sleep20-21swapper/209:30:052
83432460,0sleep30-21swapper/310:42:513
181322460,2sleep02021599cyclictest11:40:400
1986524534,7sleep00-21swapper/007:07:050
118882440,0sleep30-21swapper/311:14:113
99852410,0sleep00-21swapper/010:29:020
323882410,2sleep02021599cyclictest10:56:100
235112360,0sleep00-21swapper/010:16:170
197862340,0sleep30-21swapper/312:29:453
1983223221,7sleep10-21swapper/107:06:421
1978422816,7sleep30-21swapper/307:06:043
52692230,1sleep0699-21gdbus11:27:550
20221992221,0cyclictest21278-21lspci10:41:081
200862227,3sleep20-21swapper/207:09:512
18422200,1sleep11836-21sshd11:36:161
46852180,1sleep0111rcuc/009:25:260
255922180,0sleep20-21swapper/210:33:092
230402180,0sleep20-21swapper/209:15:552
20221991716,0cyclictest241ktimersoftd/112:09:301
2021599170,12cyclictest19911-21sshd10:02:110
316772160,1sleep131670-21sshd09:20:551
20221991616,0cyclictest527-40kipmi009:35:551
106842160,0sleep20-21swapper/212:22:232
54872150,0sleep20-21swapper/209:52:412
272912150,1sleep127279-21sshd09:49:021
20221991514,0cyclictest27711-21lspci11:18:241
20221991514,0cyclictest10079-21lspci11:31:111
20221991513,1cyclictest11085-21kworker/1:110:57:111
2021599153,5cyclictest699-21gdbus10:33:010
2021599150,7cyclictest674-21dbus-daemon09:55:090
2021599150,6cyclictest31700-21bash12:37:130
2021599150,6cyclictest11166-21grepconf.sh11:57:570
2021599150,0cyclictest0-21swapper/011:08:490
77732140,1sleep37778-21bash12:00:343
283192140,0sleep20-21swapper/210:22:162
256872140,1sleep233-21ksoftirqd/211:15:192
20228991413,0cyclictest0-21swapper/212:32:372
20221991413,0cyclictest11128-21kworker/1:209:56:411
20221991412,1cyclictest22218-21kworker/1:111:51:061
20221991412,1cyclictest15945-21lspci11:25:541
20221991412,1cyclictest11678-21kworker/1:011:56:171
2021599143,5cyclictest674-21dbus-daemon12:31:480
2021599143,5cyclictest649-21polkitd10:12:540
2021599143,5cyclictest649-21polkitd10:12:540
2021599142,6cyclictest674-21dbus-daemon09:35:200
2021599141,6cyclictest649-21polkitd10:42:190
2021599141,6cyclictest1-21systemd11:00:190
2021599140,6cyclictest674-21dbus-daemon11:21:340
2021599140,6cyclictest21570-21bash10:46:470
2021599140,5cyclictest3500-21bash11:30:340
2021599140,5cyclictest15613-21id10:35:060
2021599140,2cyclictest21112-21lspci10:21:380
2021599140,1cyclictest642-21systemd-logind09:14:570
2021599140,1cyclictest0-21swapper/010:50:290
112832140,0sleep10-21swapper/110:34:441
32112130,0sleep20-21swapper/212:00:122
20235991310,2cyclictest0-21swapper/310:39:013
20221991313,0cyclictest14960-21kworker/1:310:46:481
20221991312,0cyclictest9922-21kworker/1:310:25:591
20221991312,0cyclictest527-40kipmi012:36:561
20221991312,0cyclictest241ktimersoftd/110:09:031
20221991312,0cyclictest241ktimersoftd/110:09:031
20221991311,1cyclictest26557-21sshd12:17:371
2021599133,7cyclictest17048-21cat09:15:150
2021599130,6cyclictest674-21dbus-daemon09:54:150
2021599130,5cyclictest4776-21sshd11:36:320
2021599130,5cyclictest4678-21sshd11:45:210
2021599130,5cyclictest19395-21grep09:40:040
103952130,0sleep2321ktimersoftd/210:45:472
2023599120,1cyclictest26892-21lspci09:54:313
2023599120,11cyclictest19616-21sshd11:52:423
2023599120,11cyclictest1515-21grepconf.sh10:17:113
2022899120,1cyclictest8916-21lspci10:28:572
2022199129,1cyclictest131rcu_sched12:02:161
20221991211,0cyclictest9922-21kworker/1:310:24:361
20221991211,0cyclictest5354-21kworker/1:209:18:331
20221991211,0cyclictest2564-21lspci10:50:441
20221991211,0cyclictest20766-21kworker/1:310:03:471
2022199120,1cyclictest674-21dbus-daemon09:50:261
2022199120,11cyclictest0-21swapper/111:46:261
2021599123,5cyclictest7161-21sshd09:33:320
2021599123,5cyclictest674-21dbus-daemon12:11:160
2021599123,5cyclictest29450-21sshd12:05:330
2021599122,5cyclictest649-21polkitd12:27:040
2021599120,9cyclictest674-21dbus-daemon09:46:190
2021599120,5cyclictest5638-21tty12:00:210
2021599120,5cyclictest31770-21grep12:15:010
2021599120,5cyclictest24401-21gunzip10:05:190
2021599120,5cyclictest24401-21gunzip10:05:180
174072120,1sleep317410-21bash12:35:463
162582120,0sleep30-21swapper/310:12:553
162582120,0sleep30-21swapper/310:12:553
2023599110,10cyclictest3096-21/usr/sbin/munin09:05:113
2023599110,0cyclictest0-21swapper/312:20:123
2023599110,0cyclictest0-21swapper/310:20:513
2023599110,0cyclictest0-21swapper/309:58:513
2023599110,0cyclictest0-21swapper/309:45:013
2022899119,1cyclictest7469-21lspci09:14:072
20228991110,0cyclictest0-21swapper/211:41:172
2022899110,10cyclictest0-21swapper/210:52:372
2022899110,10cyclictest0-21swapper/210:15:572
2022899110,10cyclictest0-21swapper/208:30:572
2022899110,10cyclictest0-21swapper/208:30:572
2022899110,0cyclictest0-21swapper/209:59:372
2022899110,0cyclictest0-21swapper/208:45:172
2022199119,1cyclictest1988-21grep09:44:061
20221991110,0cyclictest0-21swapper/112:29:161
20221991110,0cyclictest0-21swapper/110:37:161
2022199110,10cyclictest0-21swapper/110:18:161
2022199110,10cyclictest0-21swapper/109:10:161
2022199110,0cyclictest0-21swapper/111:23:361
2021599110,8cyclictest1002-21snmpd08:22:290
2023599109,0cyclictest0-21swapper/311:59:123
2023599109,0cyclictest0-21swapper/311:23:213
2023599109,0cyclictest0-21swapper/307:24:513
2023599108,1cyclictest726-21sshd10:45:013
2023599108,1cyclictest15611-21sshd11:31:413
2023599100,0cyclictest0-21swapper/310:27:213
2022899109,0cyclictest0-21swapper/212:14:072
2022899109,0cyclictest0-21swapper/212:06:272
2022899109,0cyclictest0-21swapper/211:57:572
2022899109,0cyclictest0-21swapper/210:56:372
2022899108,1cyclictest11279-21grep11:31:172
2022199109,0cyclictest6285-21lspci10:12:031
2022199109,0cyclictest6285-21lspci10:12:031
2022199109,0cyclictest0-21swapper/111:07:161
2022199109,0cyclictest0-21swapper/108:20:361
2022199108,1cyclictest25-21ksoftirqd/109:33:261
20221991010,0cyclictest6197-21kworker/1:412:20:331
2022199100,0cyclictest0-21swapper/112:31:161
2021599101,5cyclictest15524-21cat08:15:140
2021599100,6cyclictest32480-21ls08:55:200
2021599100,6cyclictest1722-21awk07:40:170
2021599100,1cyclictest25787-21kernelversion08:40:140
202359998,0cyclictest0-21swapper/309:19:313
202359997,1cyclictest4357-21lspci12:15:223
202359995,3cyclictest12739-21sshd09:42:133
202219998,1cyclictest8141-21kworker/1:009:29:081
202219997,1cyclictest31301-21kworker/1:311:13:071
202219990,1cyclictest642-21systemd-logind11:00:341
202159993,5cyclictest699-21gdbus08:04:550
202159993,5cyclictest1002-21snmpd09:07:540
202159993,5cyclictest1002-21snmpd08:46:180
202159993,5cyclictest1002-21snmpd08:28:320
202159993,5cyclictest1002-21snmpd08:12:020
202159990,5cyclictest6226-21unixbench_singl07:50:190
202159990,5cyclictest3272-21basename07:45:130
202159990,5cyclictest31994-21ntp_states07:35:160
202159990,5cyclictest25527-21cat07:20:140
202159990,1cyclictest6694-21perf07:59:550
202159990,1cyclictest24368-21uptime07:15:190
202159990,1cyclictest0-21swapper/008:53:290
202159990,0cyclictest0-21swapper/007:30:180
202359987,0cyclictest0-21swapper/309:25:313
202359986,1cyclictest660-21avahi-daemon11:03:083
202359986,1cyclictest41-21ksoftirqd/310:32:593
202359986,1cyclictest15575-21lspci11:40:253
202359985,2cyclictest674-21dbus-daemon12:32:573
202359985,2cyclictest660-21avahi-daemon12:08:073
202359985,2cyclictest660-21avahi-daemon11:35:343
202359985,2cyclictest660-21avahi-daemon11:05:123
202359985,2cyclictest660-21avahi-daemon10:50:133
202359985,2cyclictest660-21avahi-daemon10:04:283
202359985,2cyclictest660-21avahi-daemon09:10:313
202289987,0cyclictest0-21swapper/208:56:572
202289986,1cyclictest660-21avahi-daemon11:45:482
202289986,1cyclictest5816-21lspci11:54:282
202289986,1cyclictest26982-21lspci11:21:092
202289986,1cyclictest22956-21lspci10:44:092
202289986,1cyclictest17749-21lspci11:03:232
202289986,1cyclictest14522-21lspci11:28:442
202289985,2cyclictest660-21avahi-daemon12:35:352
202289985,2cyclictest660-21avahi-daemon11:07:282
202289985,2cyclictest660-21avahi-daemon10:01:232
202289985,2cyclictest660-21avahi-daemon09:38:102
202219987,0cyclictest16845-21kworker/1:008:30:211
202219987,0cyclictest16845-21kworker/1:008:30:211
202219987,0cyclictest0-21swapper/112:12:461
202159983,4cyclictest20399-21grep07:10:110
202159982,5cyclictest23669-21cat08:35:130
202159982,5cyclictest1002-21snmpd08:30:200
202159982,5cyclictest1002-21snmpd08:30:200
202159982,5cyclictest1002-21snmpd08:05:560
202159980,1cyclictest1179-21cstates09:00:110
202359975,1cyclictest11451-21lspci11:46:003
202359974,2cyclictest674-21dbus-daemon11:25:583
202359974,2cyclictest660-21avahi-daemon09:30:333
202289976,0cyclictest0-21swapper/209:04:472
202289975,1cyclictest660-21avahi-daemon11:35:362
202289975,1cyclictest660-21avahi-daemon10:35:422
202289975,1cyclictest660-21avahi-daemon09:49:582
202289975,1cyclictest660-21avahi-daemon09:25:062
202289975,1cyclictest660-21avahi-daemon09:21:472
202289975,1cyclictest33-21ksoftirqd/209:09:592
202289975,1cyclictest17218-21lspci12:26:162
202219976,0cyclictest0-21swapper/107:17:561
202159970,0cyclictest0-21swapper/007:25:150
202359963,2cyclictest1002-21snmpd08:30:083
202359963,2cyclictest1002-21snmpd08:30:083
202359963,2cyclictest1002-21snmpd08:14:563
202359963,2cyclictest1002-21snmpd07:32:003
202359963,1cyclictest8728-21munin-plugin-st08:00:003
202289964,1cyclictest649-21polkitd08:09:552
202289963,2cyclictest1002-21snmpd07:19:032
202219964,1cyclictest25-21ksoftirqd/109:09:591
202219963,2cyclictest1002-21snmpd08:05:021
202219963,1cyclictest13982-21kworker/1:207:20:191
202219960,5cyclictest0-21swapper/108:48:361
202219960,5cyclictest0-21swapper/108:44:261
202219960,5cyclictest0-21swapper/107:52:161
24771250,0sleep20-21swapper/207:20:002
202359953,1cyclictest9370-21hwlatdetect08:00:133
202359953,1cyclictest2512-21crond09:01:003
202359953,1cyclictest11494-21cat08:05:143
202359953,1cyclictest1002-21snmpd08:50:243
202359953,1cyclictest1002-21snmpd08:35:113
202359953,1cyclictest1002-21snmpd08:20:203
202359953,1cyclictest1002-21snmpd08:15:113
202359953,1cyclictest1002-21snmpd07:51:253
202359953,1cyclictest1002-21snmpd07:45:013
202359953,1cyclictest1002-21snmpd07:42:133
202359953,1cyclictest1002-21snmpd07:37:313
202359953,1cyclictest1002-21snmpd07:18:573
202359953,1cyclictest1002-21snmpd07:12:153
202359952,2cyclictest1002-21snmpd08:55:033
202359952,2cyclictest1002-21snmpd08:43:273
202359952,2cyclictest1002-21snmpd07:26:333
202359950,2cyclictest27903-21/usr/sbin/munin08:45:143
202359950,0cyclictest0-21swapper/308:29:323
202289953,1cyclictest660-21avahi-daemon07:10:082
202289953,1cyclictest25703-21cat08:40:132
202289953,1cyclictest19491-21grep08:25:122
202289953,1cyclictest17581-21mii-tool08:20:132
202289953,1cyclictest1657-21ntp_states07:40:162
202289953,1cyclictest1002-21snmpd08:50:122
202289953,1cyclictest1002-21snmpd08:36:292
202289953,1cyclictest1002-21snmpd08:15:172
202289953,1cyclictest1002-21snmpd07:51:072
202289953,1cyclictest1002-21snmpd07:48:132
202289953,1cyclictest1002-21snmpd07:31:152
202289952,2cyclictest622-13audispd08:01:572
202289952,2cyclictest31962-21ntpdc07:35:152
202289952,2cyclictest1002-21snmpd07:56:102
202289952,2cyclictest1002-21snmpd07:29:092
202219955,0cyclictest22961-21kworker/1:208:35:041
202219953,1cyclictest9220-21df08:00:121
202219953,1cyclictest7409-21cat07:55:141
202219953,1cyclictest31148-21kworker/1:108:55:131
202219953,1cyclictest29779-21cat08:50:141
202219953,1cyclictest29579-21cat07:30:131
202219953,1cyclictest1088-21ntpd07:10:151
202219953,1cyclictest1002-21snmpd09:01:281
202219953,1cyclictest1002-21snmpd08:26:081
202219953,1cyclictest1002-21snmpd08:16:511
202219953,1cyclictest1002-21snmpd08:11:021
202219953,1cyclictest1002-21snmpd07:46:011
202219953,1cyclictest1002-21snmpd07:36:211
202219953,1cyclictest1002-21snmpd07:25:091
202219950,1cyclictest756-21/usr/sbin/munin07:40:131
202289942,1cyclictest13221-21expr08:10:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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