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2026-08-01 - 07:04
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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 the highest latencies:
System rack1slot1.osadl.org (updated Sat Aug 01, 2026 00:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
211472218157,47sleep10-21swapper/119:07:061
213152217151,22sleep00-21swapper/019:09:170
213452202162,25sleep30-21swapper/319:09:403
213662201162,25sleep20-21swapper/219:09:562
209702570,0sleep10-21swapper/100:24:251
304512170,1sleep030454-21pmu-power21:30:190
280622150,0sleep00-21swapper/021:27:340
21470991311,1cyclictest7670-21apt-get21:45:112
2147099130,1cyclictest31220-21ssh00:38:262
2147099129,1cyclictest28-21ksoftirqd/219:55:002
2147099120,11cyclictest14309-21diskmemload23:00:122
21465991111,0cyclictest0-21swapper/120:11:041
92492100,0sleep014309-21diskmemload22:31:590
2147099100,3cyclictest0-21swapper/221:10:112
2145799108,1cyclictest9-21ksoftirqd/020:30:010
2145799108,1cyclictest9-21ksoftirqd/019:54:590
2145799108,1cyclictest9-21ksoftirqd/000:25:010
214789998,1cyclictest35-21ksoftirqd/323:45:013
214709999,0cyclictest0-21swapper/200:20:172
214579998,1cyclictest9-21ksoftirqd/020:03:180
17188290,0sleep20-21swapper/222:44:542
214789987,1cyclictest11301-21snmpd23:14:573
214789986,1cyclictest35-21ksoftirqd/321:50:013
214789986,1cyclictest11301-21snmpd23:36:303
214789986,1cyclictest11301-21snmpd22:37:493
214789986,1cyclictest11301-21snmpd20:46:043
214789982,5cyclictest23814-21munin-node00:00:373
214789980,6cyclictest32560-21sed19:30:133
214789980,3cyclictest4901-21apt-get20:50:113
214709986,2cyclictest28-21ksoftirqd/220:46:282
214709986,1cyclictest61650irq/122-eno123:40:152
214709986,1cyclictest61650irq/122-eno123:36:422
214709986,1cyclictest61650irq/122-eno121:40:002
214709986,1cyclictest61650irq/122-eno121:15:162
214709986,1cyclictest61650irq/122-eno121:15:162
214709986,1cyclictest11301-21snmpd21:20:492
214709980,8cyclictest0-21swapper/221:58:082
214709980,6cyclictest3523-21kworker/u8:023:33:372
214709980,6cyclictest3523-21kworker/u8:023:33:362
214659985,3cyclictest0-21swapper/122:23:311
214659985,0cyclictest0-21swapper/122:45:531
214659981,3cyclictest0-21swapper/121:35:111
214659980,4cyclictest0-21swapper/122:37:341
214579987,1cyclictest9-21ksoftirqd/021:20:010
214579987,1cyclictest9-21ksoftirqd/021:20:000
214579987,1cyclictest9-21ksoftirqd/021:10:010
214579987,1cyclictest9-21ksoftirqd/019:39:590
214579987,1cyclictest18252-21kworker/0:222:22:270
214579986,1cyclictest9-21ksoftirqd/020:40:000
214579986,1cyclictest11301-21snmpd20:13:210
214579986,1cyclictest11301-21snmpd19:44:080
214579982,1cyclictest24520-21/usr/sbin/munin22:55:140
214579981,6cyclictest20079-21ssh23:35:010
214579981,6cyclictest20079-21ssh23:35:000
214579980,5cyclictest0-21swapper/020:30:110
214579980,4cyclictest21526-21perf22:05:010
214789976,1cyclictest4349-21cat22:25:153
214789976,1cyclictest35-21ksoftirqd/320:15:013
214789976,1cyclictest35-21ksoftirqd/300:10:103
214789976,1cyclictest11301-21snmpd20:04:483
214789976,1cyclictest11301-21snmpd00:26:553
214789975,1cyclictest22535-21cat19:10:143
214789975,1cyclictest11301-21snmpd22:20:313
214789975,1cyclictest11301-21snmpd19:41:283
214789975,1cyclictest11301-21snmpd00:38:043
214789974,1cyclictest240-21systemd-journal20:20:013
214789972,4cyclictest18237-21apt-get22:00:123
214789972,2cyclictest240-21systemd-journal19:20:013
214789971,3cyclictest14309-21diskmemload21:51:293
214789970,3cyclictest0-21swapper/321:16:263
214789970,3cyclictest0-21swapper/321:16:263
214709976,1cyclictest8103-21sh23:15:552
214709976,1cyclictest61650irq/122-eno121:26:172
214709976,1cyclictest11301-21snmpd23:11:282
214709975,1cyclictest61650irq/122-eno123:45:142
214709975,1cyclictest61650irq/122-eno122:15:132
214709975,1cyclictest4349-21ssh23:57:032
214709975,1cyclictest11301-21snmpd00:19:212
214709975,1cyclictest11301-21snmpd00:19:212
214709972,4cyclictest61650irq/122-eno100:14:292
214709971,6cyclictest0-21swapper/219:33:462
214709970,7cyclictest0-21swapper/200:01:192
214709970,6cyclictest0-21swapper/222:36:462
214709970,6cyclictest0-21swapper/220:04:232
214709970,1cyclictest693-21runrttasks22:09:482
214659974,0cyclictest0-21swapper/121:05:101
214659971,6cyclictest203-21jbd2/sda2-822:50:591
214659971,2cyclictest0-21swapper/100:15:111
214659971,2cyclictest0-21swapper/100:15:111
214659970,6cyclictest0-21swapper/120:21:291
214659970,6cyclictest0-21swapper/100:30:201
214659970,5cyclictest0-21swapper/119:35:191
214659970,4cyclictest0-21swapper/121:34:321
214659970,4cyclictest0-21swapper/100:00:161
214659970,2cyclictest0-21swapper/100:35:261
214579976,1cyclictest9-21ksoftirqd/023:04:590
214579976,1cyclictest9-21ksoftirqd/021:57:210
214579976,1cyclictest9-21ksoftirqd/020:49:590
214579976,1cyclictest24971-21ssh00:30:120
214579976,1cyclictest0-21swapper/021:20:110
214579975,1cyclictest9206-21ssh00:05:380
214579975,1cyclictest31700-21ssh00:39:570
214579975,1cyclictest11301-21snmpd19:28:020
214579973,2cyclictest240-21systemd-journal22:14:560
214579972,4cyclictest0-21swapper/023:05:120
214579971,6cyclictest7181-21ssh21:44:590
214579971,6cyclictest0-21swapper/020:15:020
214579971,5cyclictest14309-21diskmemload23:52:020
214579971,3cyclictest0-21swapper/019:30:100
214579971,1cyclictest240-21systemd-journal20:54:590
214579970,6cyclictest8056-21ssh00:02:390
214579970,6cyclictest31488-21ssh22:18:210
214579970,6cyclictest27589-21df_inode19:20:140
214579970,6cyclictest2581-21ssh21:36:310
214579970,6cyclictest14310-21apt-get21:10:000
214579970,6cyclictest14309-21diskmemload23:41:080
214579970,6cyclictest14309-21diskmemload22:45:100
214579970,6cyclictest14137-21grep23:25:160
214579970,6cyclictest12404-21ssh22:35:520
214579970,6cyclictest12025-21ntp_states00:10:140
214579970,6cyclictest0-21swapper/023:45:170
214579970,6cyclictest0-21swapper/021:00:120
214579970,6cyclictest0-21swapper/000:30:000
214579970,3cyclictest9678-21apt-get23:20:120
214579970,2cyclictest0-21swapper/020:20:160
214579970,1cyclictest27426-1kworker/u9:223:15:000
12810270,0sleep10-21swapper/121:50:221
214789966,0cyclictest0-21swapper/323:20:113
214789965,1cyclictest9523-21ssh00:06:393
214789965,1cyclictest9304-21ssh23:19:473
214789965,1cyclictest3966-21ssh23:55:483
214789965,1cyclictest27097-21ssh22:57:563
214789965,1cyclictest26164-21cat22:10:153
214789965,1cyclictest24206-21ssh21:22:013
214789965,1cyclictest23950-21ssh22:06:433
214789965,1cyclictest18669-21ssh00:20:183
214789965,1cyclictest17879-21ntpq23:30:183
214789965,1cyclictest17879-21ntpq23:30:173
214789965,1cyclictest17344-21ssh21:58:073
214789965,1cyclictest15314-21ssh23:26:293
214789965,1cyclictest11301-21snmpd23:51:543
214789965,1cyclictest11301-21snmpd20:41:163
214789964,1cyclictest8158-21irqstats20:55:163
214789964,1cyclictest35-21ksoftirqd/323:02:133
214789964,1cyclictest25500-21ssh21:25:103
214789963,1cyclictest548-21systemd-logind23:05:203
214789963,1cyclictest548-21systemd-logind19:59:073
214789963,0cyclictest14309-21diskmemload22:41:213
214789962,3cyclictest8049-21sed19:45:223
214789962,2cyclictest0-21swapper/322:16:093
214789961,4cyclictest0-21swapper/321:00:113
214789961,1cyclictest10910-21cron19:54:593
214789960,4cyclictest0-21swapper/323:47:533
214789960,4cyclictest0-21swapper/320:35:123
214789960,4cyclictest0-21swapper/300:31:593
214789960,3cyclictest0-21swapper/322:54:063
214789960,2cyclictest7466-21df22:30:123
214709966,0cyclictest61650irq/122-eno123:50:022
214709966,0cyclictest61650irq/122-eno123:25:202
214709966,0cyclictest61650irq/122-eno123:20:292
214709966,0cyclictest61650irq/122-eno122:30:122
214709966,0cyclictest61650irq/122-eno122:25:242
214709966,0cyclictest61650irq/122-eno122:20:282
214709966,0cyclictest61650irq/122-eno122:10:232
214709966,0cyclictest61650irq/122-eno122:00:082
214709966,0cyclictest61650irq/122-eno121:40:062
214709966,0cyclictest61650irq/122-eno121:30:022
214709966,0cyclictest61650irq/122-eno120:36:052
214709966,0cyclictest61650irq/122-eno120:31:002
214709966,0cyclictest61650irq/122-eno120:25:122
214709966,0cyclictest61650irq/122-eno119:55:192
214709966,0cyclictest61650irq/122-eno119:45:422
214709966,0cyclictest61650irq/122-eno100:33:172
214709966,0cyclictest61650irq/122-eno100:26:282
214709965,1cyclictest61650irq/122-eno120:55:142
214709965,1cyclictest21919-21ssh22:50:162
214709965,0cyclictest61650irq/122-eno122:55:112
214709965,0cyclictest61650irq/122-eno100:06:502
214709964,1cyclictest61650irq/122-eno120:50:192
214709964,1cyclictest61650irq/122-eno119:40:112
214709964,1cyclictest61650irq/122-eno119:15:162
214709964,1cyclictest31565-21ssh23:05:112
214709964,1cyclictest10796-21ntpq21:00:172
214709963,2cyclictest3057-21find19:35:192
214709963,1cyclictest61650irq/122-eno119:23:502
214709963,1cyclictest240-21systemd-journal20:24:562
214709963,1cyclictest14309-21diskmemload21:50:252
214709961,1cyclictest17498-21apt-get22:45:102
214659960,6cyclictest0-21swapper/122:10:321
214659960,6cyclictest0-21swapper/121:55:191
214659960,6cyclictest0-21swapper/121:13:201
214659960,6cyclictest0-21swapper/120:54:301
214659960,6cyclictest0-21swapper/120:45:131
214659960,6cyclictest0-21swapper/120:42:461
214659960,6cyclictest0-21swapper/119:59:321
214659960,6cyclictest0-21swapper/119:21:231
214659960,6cyclictest0-21swapper/100:25:071
214659960,6cyclictest0-21swapper/100:06:571
214659960,5cyclictest0-21swapper/123:50:151
214659960,5cyclictest0-21swapper/123:26:341
214659960,5cyclictest0-21swapper/122:25:491
214659960,5cyclictest0-21swapper/121:48:021
214659960,5cyclictest0-21swapper/120:01:151
214659960,4cyclictest0-21swapper/123:46:201
214659960,4cyclictest0-21swapper/123:40:111
214659960,4cyclictest0-21swapper/122:44:441
214659960,4cyclictest0-21swapper/122:05:141
214659960,4cyclictest0-21swapper/100:10:151
214659960,3cyclictest0-21swapper/123:20:131
214659960,3cyclictest0-21swapper/123:00:151
214659960,3cyclictest0-21swapper/121:25:101
214579963,1cyclictest548-21systemd-logind21:47:080
214579961,4cyclictest0-21swapper/022:40:100
214579961,0cyclictest16707-21ssh00:17:050
214579961,0cyclictest16707-21ssh00:17:050
214579960,6cyclictest0-21swapper/020:06:170
214579960,6cyclictest0-21swapper/019:49:350
214579960,6cyclictest0-21swapper/019:10:180
214579960,5cyclictest25343-21tune2fs19:15:150
214579960,5cyclictest0-21swapper/022:25:150
214579960,3cyclictest1785-21ssh23:55:000
214579960,1cyclictest9763-1kworker/u9:121:50:140
214579960,1cyclictest22147-21sh23:35:510
214579960,1cyclictest14309-21diskmemload23:15:130
214579960,0cyclictest0-21swapper/022:50:150
214579960,0cyclictest0-21swapper/022:05:200
14747260,1sleep30-21swapper/321:10:083
214789954,1cyclictest4018-21ssh21:40:133
214789954,1cyclictest14346-21ssh00:15:063
214789954,1cyclictest14346-21ssh00:15:053
214789953,1cyclictest35-21ksoftirqd/319:35:113
214789953,1cyclictest27080-21/usr/sbin/munin19:20:143
214789953,1cyclictest11301-21snmpd20:27:123
214789952,2cyclictest16801-21gltestperf20:05:153
214789952,1cyclictest240-21systemd-journal20:35:013
214789952,0cyclictest14309-21diskmemload22:45:163
214789950,4cyclictest31563-21apt19:30:003
214789950,3cyclictest29491-21grep21:30:133
214789950,1cyclictest1456-21memory21:35:173
214709955,0cyclictest61650irq/122-eno121:08:052
214709955,0cyclictest61650irq/122-eno119:28:302
214709954,1cyclictest61650irq/122-eno120:15:172
214709954,1cyclictest61650irq/122-eno120:10:012
214709953,1cyclictest21897-21sort19:10:132
214709953,1cyclictest16793-21fschecks_time20:05:162
214709950,4cyclictest0-21swapper/220:40:092
214659955,0cyclictest0-21swapper/123:05:111
214659955,0cyclictest0-21swapper/119:46:131
214659951,1cyclictest0-21swapper/122:15:121
214659951,1cyclictest0-21swapper/120:35:121
214659951,1cyclictest0-21swapper/119:50:221
214659950,5cyclictest0-21swapper/123:12:291
214659950,5cyclictest0-21swapper/122:31:021
214659950,5cyclictest0-21swapper/120:17:551
214659950,5cyclictest0-21swapper/120:08:061
214659950,5cyclictest0-21swapper/119:43:251
214659950,5cyclictest0-21swapper/119:19:111
214659950,4cyclictest0-21swapper/123:55:521
214659950,3cyclictest0-21swapper/121:23:541
214659950,3cyclictest0-21swapper/121:15:111
214659950,3cyclictest0-21swapper/121:15:101
214659950,2cyclictest0-21swapper/123:37:311
214659950,1cyclictest0-21swapper/122:57:381
214659950,1cyclictest0-21swapper/121:00:121
214579953,1cyclictest7251-21/usr/sbin/munin20:55:150
214579950,5cyclictest0-21swapper/019:55:120
214579950,4cyclictest11301-21snmpd20:40:100
214789940,1cyclictest24523-21mailstats20:20:143
214789940,1cyclictest0-21swapper/321:05:003
214659943,1cyclictest21-21ksoftirqd/119:10:121
214659942,1cyclictest31554-21turbostat19:30:001
214659940,4cyclictest0-21swapper/123:15:281
214659940,4cyclictest0-21swapper/120:31:331
214659940,3cyclictest0-21swapper/121:40:411
214659940,2cyclictest0-21swapper/123:30:191
214659940,2cyclictest0-21swapper/123:30:181
214659940,2cyclictest0-21swapper/120:25:151
214659940,1cyclictest0-21swapper/122:01:121
214659940,0cyclictest0-21swapper/120:55:191
214659940,0cyclictest0-21swapper/119:30:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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