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2026-09-05 - 06:47
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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 rack1slot1.osadl.org (updated Sat Sep 05, 2026 00:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
313352213174,25sleep30-21swapper/319:08:523
310772208175,21sleep00-21swapper/019:05:300
311232198159,24sleep20-21swapper/219:06:052
311222197157,26sleep10-21swapper/119:06:051
185382620,0sleep30-21swapper/320:55:163
103872600,0sleep30-21swapper/323:53:503
69512160,1sleep36955-21cpuspeed_turbos21:30:123
3150899160,15cyclictest0-21swapper/023:10:190
3150899134,5cyclictest24140-21latency_hist21:55:000
31508991210,1cyclictest9-21ksoftirqd/023:00:000
3152099110,10cyclictest0-21swapper/119:35:151
3150899119,1cyclictest9-21ksoftirqd/021:20:190
31508991110,1cyclictest9-21ksoftirqd/023:05:010
3150899110,10cyclictest0-21swapper/000:30:170
3153399109,1cyclictest35-21ksoftirqd/319:44:593
3153399109,1cyclictest1747-21ntpd21:48:033
3153399109,1cyclictest13650irq/124-ahci[0000:20:173
3153399100,7cyclictest0-21swapper/323:11:173
3152899108,1cyclictest28-21ksoftirqd/220:05:002
3152099100,9cyclictest0-21swapper/121:05:121
3150899109,1cyclictest9-21ksoftirqd/023:50:000
3150899108,1cyclictest9-21ksoftirqd/023:55:140
315339998,1cyclictest35-21ksoftirqd/300:05:003
315289994,3cyclictest0-21swapper/200:25:392
315289992,7cyclictest0-21swapper/200:10:162
315289990,1cyclictest0-21swapper/221:46:202
315209990,9cyclictest0-21swapper/122:50:131
315089999,0cyclictest9-21ksoftirqd/020:45:000
315089998,1cyclictest9-21ksoftirqd/022:45:160
315089998,1cyclictest9-21ksoftirqd/022:35:000
315089998,1cyclictest9-21ksoftirqd/022:10:140
315089998,1cyclictest9-21ksoftirqd/021:40:170
315089998,1cyclictest9-21ksoftirqd/021:10:130
315089998,1cyclictest9-21ksoftirqd/000:05:010
315089997,1cyclictest9-21ksoftirqd/021:50:010
315089996,2cyclictest9114-21latency_hist22:20:010
315089995,3cyclictest9-21ksoftirqd/021:25:130
315089993,5cyclictest24419-21cat21:10:010
315089993,1cyclictest21289-21runrttasks22:35:190
315089990,4cyclictest31128-21perf22:05:010
315339986,1cyclictest35-21ksoftirqd/320:10:003
315339986,1cyclictest35-21ksoftirqd/319:20:003
315339986,1cyclictest1747-21ntpd23:40:583
315339983,3cyclictest3870-21apt-get23:45:113
315339982,4cyclictest25916-21aten_r1power_fr23:30:103
315289986,1cyclictest61650irq/122-eno123:32:422
315289986,1cyclictest61650irq/122-eno123:00:132
315289986,1cyclictest61650irq/122-eno122:40:162
315289986,1cyclictest61650irq/122-eno119:55:182
315289986,1cyclictest61650irq/122-eno100:35:182
315289986,1cyclictest61650irq/122-eno100:05:102
315289986,1cyclictest14074-21ntpq22:25:172
315289986,1cyclictest11301-21snmpd23:45:022
315289986,1cyclictest11301-21snmpd23:39:342
315289986,1cyclictest11301-21snmpd22:08:402
315289986,1cyclictest11301-21snmpd21:50:572
315289986,1cyclictest11301-21snmpd21:18:242
315289986,1cyclictest11301-21snmpd20:38:112
315289981,6cyclictest27888-21apt-get22:00:112
315289980,7cyclictest0-21swapper/221:57:532
315289980,7cyclictest0-21swapper/200:30:172
315209981,4cyclictest0-21swapper/121:27:321
315209980,5cyclictest0-21swapper/121:30:111
315209980,4cyclictest0-21swapper/119:30:171
315089988,0cyclictest9-21ksoftirqd/022:50:170
315089988,0cyclictest9-21ksoftirqd/022:05:160
315089987,1cyclictest9-21ksoftirqd/019:39:590
315089987,1cyclictest28068-21/usr/sbin/munin21:15:140
315089987,1cyclictest0-21swapper/023:05:100
315089986,1cyclictest9-21ksoftirqd/020:55:000
315089986,1cyclictest9-21ksoftirqd/020:00:000
315089986,1cyclictest11301-21snmpd23:23:500
315089980,4cyclictest7878-21latency_hist20:35:000
315339977,0cyclictest35-21ksoftirqd/323:20:143
315339976,1cyclictest640-21cat00:25:163
315339976,1cyclictest5464-21sh21:27:123
315339976,1cyclictest35-21ksoftirqd/323:19:593
315339976,1cyclictest35-21ksoftirqd/319:25:103
315339976,1cyclictest35-21ksoftirqd/319:15:003
315339976,1cyclictest35-21ksoftirqd/300:39:593
315339976,1cyclictest13644-21unixbench_multi19:35:193
315339976,1cyclictest11301-21snmpd23:08:133
315339976,1cyclictest11301-21snmpd22:02:053
315339976,1cyclictest11301-21snmpd20:51:413
315339976,1cyclictest11301-21snmpd20:12:503
315339976,1cyclictest11301-21snmpd19:53:363
315339976,1cyclictest11301-21snmpd19:46:163
315339976,1cyclictest11301-21snmpd19:20:473
315339975,1cyclictest11301-21snmpd23:04:213
315339972,1cyclictest25143-21/usr/sbin/munin21:10:133
315289976,1cyclictest61650irq/122-eno122:19:142
315289976,1cyclictest61650irq/122-eno121:20:012
315289976,1cyclictest61650irq/122-eno100:20:132
315289976,1cyclictest28-21ksoftirqd/220:10:122
315289976,1cyclictest11301-21snmpd22:50:362
315289976,0cyclictest61650irq/122-eno123:26:072
315289976,0cyclictest61650irq/122-eno121:30:162
315289975,1cyclictest61650irq/122-eno121:40:202
315289975,1cyclictest61650irq/122-eno100:15:292
315289975,1cyclictest11301-21snmpd23:50:022
315289975,1cyclictest11301-21snmpd20:25:192
315289974,2cyclictest61650irq/122-eno122:36:562
315289974,2cyclictest17756-21idleruntime19:45:142
315289972,3cyclictest9412-21apt-get22:20:122
315289972,3cyclictest11981-21apt-get19:35:112
315289971,6cyclictest0-21swapper/223:16:132
315289970,6cyclictest0-21swapper/223:05:212
315289970,5cyclictest0-21swapper/222:10:112
315209977,0cyclictest21-21ksoftirqd/123:35:231
315209971,6cyclictest0-21swapper/123:32:461
315209971,5cyclictest0-21swapper/122:43:261
315209970,7cyclictest0-21swapper/122:02:351
315209970,6cyclictest0-21swapper/100:30:161
315209970,4cyclictest0-21swapper/123:25:131
315209970,4cyclictest0-21swapper/123:20:061
315209970,4cyclictest0-21swapper/100:38:591
315209970,3cyclictest0-21swapper/122:08:211
315209970,2cyclictest0-21swapper/121:55:201
315209970,1cyclictest0-21swapper/122:19:481
315209970,1cyclictest0-21swapper/122:14:221
315209970,1cyclictest0-21swapper/121:45:141
315089977,0cyclictest9-21ksoftirqd/020:40:000
315089976,1cyclictest9-21ksoftirqd/020:27:310
315089976,1cyclictest11301-21snmpd23:35:280
315089976,1cyclictest11301-21snmpd19:10:050
315089975,1cyclictest9-21ksoftirqd/023:25:160
315089975,1cyclictest11301-21snmpd20:16:580
315089975,1cyclictest11301-21snmpd00:38:480
315089971,6cyclictest12821-21ssh21:38:030
315089971,5cyclictest0-21swapper/022:20:120
315089970,7cyclictest0-21swapper/021:34:360
315089970,6cyclictest27273-21ssh00:16:230
315089970,6cyclictest25842-21/usr/sbin/munin23:30:180
315089970,6cyclictest2027-21cat20:20:170
315089970,6cyclictest1886-21diskstats19:15:010
315089970,2cyclictest13665-21gltestperf22:25:140
315089970,1cyclictest6809-21ssh23:49:110
315089970,1cyclictest26007-21ssh21:55:190
315089970,1cyclictest24373-21diskmemload00:29:040
315089970,1cyclictest20309-1kworker/u9:200:11:110
315089970,1cyclictest0-21swapper/022:44:110
23630270,0sleep10-21swapper/100:10:511
6641260,0sleep10-21swapper/123:48:371
315339965,1cyclictest32203-21ssh22:50:313
315339965,1cyclictest25134-21ssh00:15:023
315339965,1cyclictest20443-21ssh00:06:483
315339965,1cyclictest1859-21ssh21:22:043
315339965,1cyclictest18153-21ssh22:30:233
315339965,1cyclictest11602-21ssh22:21:433
315339965,1cyclictest11301-21snmpd22:40:173
315339965,1cyclictest11301-21snmpd20:27:313
315339965,1cyclictest11301-21snmpd19:55:403
315339964,1cyclictest11301-21snmpd20:32:403
315339964,0cyclictest24373-21diskmemload21:40:063
315339963,1cyclictest24373-21diskmemload23:25:163
315339963,1cyclictest24373-21diskmemload22:25:173
315339963,1cyclictest12051-21missed_timers23:55:153
315339961,3cyclictest35-21ksoftirqd/321:54:213
315339961,3cyclictest24373-21diskmemload21:55:203
315339961,3cyclictest0-21swapper/300:30:313
315339960,6cyclictest24373-21diskmemload22:59:073
315339960,6cyclictest0-21swapper/322:48:183
315339960,3cyclictest0-21swapper/321:16:173
315289966,0cyclictest61650irq/122-eno123:55:122
315289966,0cyclictest61650irq/122-eno123:10:122
315289966,0cyclictest61650irq/122-eno122:45:412
315289966,0cyclictest61650irq/122-eno121:39:322
315289966,0cyclictest61650irq/122-eno121:11:542
315289966,0cyclictest61650irq/122-eno121:02:202
315289966,0cyclictest61650irq/122-eno120:34:022
315289966,0cyclictest61650irq/122-eno120:08:542
315289966,0cyclictest61650irq/122-eno119:50:562
315289966,0cyclictest61650irq/122-eno119:40:132
315289966,0cyclictest61650irq/122-eno119:19:302
315289966,0cyclictest61650irq/122-eno119:10:182
315289966,0cyclictest61650irq/122-eno100:00:032
315289965,1cyclictest61650irq/122-eno122:30:222
315289964,1cyclictest693-21runrttasks19:20:112
315289964,1cyclictest61650irq/122-eno119:30:112
315289964,1cyclictest15533-21expr20:50:142
315289964,1cyclictest11601-21ntpq20:40:162
315289964,1cyclictest11301-21snmpd20:46:122
315289962,2cyclictest240-21systemd-journal21:00:002
315289960,6cyclictest0-21swapper/221:25:302
315289960,4cyclictest0-21swapper/222:55:092
315289960,2cyclictest0-21swapper/223:40:192
315289960,1cyclictest0-21swapper/223:20:162
315289960,1cyclictest0-21swapper/219:25:512
315209964,1cyclictest0-21swapper/122:25:381
315209961,3cyclictest0-21swapper/121:44:251
315209961,3cyclictest0-21swapper/121:10:131
315209961,2cyclictest0-21swapper/121:50:151
315209960,6cyclictest0-21swapper/123:59:451
315209960,6cyclictest0-21swapper/123:54:511
315209960,6cyclictest0-21swapper/123:03:181
315209960,6cyclictest0-21swapper/120:35:551
315209960,6cyclictest0-21swapper/119:40:141
315209960,6cyclictest0-21swapper/119:20:511
315209960,5cyclictest0-21swapper/120:40:531
315209960,5cyclictest0-21swapper/120:05:011
315209960,3cyclictest0-21swapper/123:44:041
315209960,3cyclictest0-21swapper/100:27:521
315209960,3cyclictest0-21swapper/100:22:171
315209960,2cyclictest0-21swapper/123:17:021
315209960,2cyclictest0-21swapper/122:55:141
315209960,2cyclictest0-21swapper/122:45:061
315209960,2cyclictest0-21swapper/122:36:211
315209960,2cyclictest0-21swapper/122:33:041
315209960,2cyclictest0-21swapper/122:20:481
315209960,2cyclictest0-21swapper/121:39:001
315209960,2cyclictest0-21swapper/100:18:001
315209960,2cyclictest0-21swapper/100:05:111
315209960,1cyclictest0-21swapper/100:00:111
315209960,0cyclictest0-21swapper/123:05:231
315089965,1cyclictest9-21ksoftirqd/019:25:140
315089965,1cyclictest5866-21ntpq19:20:180
315089965,1cyclictest15358-21ssh23:15:070
315089965,1cyclictest11301-21snmpd19:48:180
315089960,6cyclictest0-21swapper/021:02:020
315089960,6cyclictest0-21swapper/020:55:120
315089960,6cyclictest0-21swapper/020:00:120
315089960,6cyclictest0-21swapper/000:21:030
315089960,6cyclictest0-21swapper/000:00:220
315089960,0cyclictest24373-21diskmemload23:40:310
315089960,0cyclictest0-21swapper/019:44:190
315339955,0cyclictest35-21ksoftirqd/321:07:323
315339955,0cyclictest11413-21sshd19:30:553
315339955,0cyclictest0-21swapper/322:10:323
315339954,1cyclictest22600-21cat00:10:163
315339954,1cyclictest12809-21ssh21:38:013
315339954,1cyclictest11301-21snmpd20:49:383
315339954,0cyclictest24373-21diskmemload22:16:053
315339953,1cyclictest11301-21snmpd22:06:133
315339952,2cyclictest31050-21apt-get20:15:103
315339952,1cyclictest548-21systemd-logind20:02:073
315339952,1cyclictest24373-21diskmemload22:35:103
315339952,1cyclictest240-21systemd-journal20:39:593
315339951,2cyclictest3091-21taskset20:24:363
315339950,2cyclictest29316-21apt-get23:35:113
315289955,0cyclictest61650irq/122-eno120:15:102
315289953,1cyclictest22960-21tr21:05:132
315289953,1cyclictest11301-21snmpd20:20:102
315209951,1cyclictest0-21swapper/121:15:101
315209950,5cyclictest0-21swapper/120:45:581
315209950,5cyclictest0-21swapper/120:34:461
315209950,5cyclictest0-21swapper/120:13:021
315209950,5cyclictest0-21swapper/119:26:171
315209950,5cyclictest0-21swapper/119:16:221
315209950,4cyclictest0-21swapper/121:20:581
315209950,4cyclictest0-21swapper/120:59:491
315209950,2cyclictest0-21swapper/121:00:101
315209950,2cyclictest0-21swapper/120:15:101
315209950,1cyclictest0-21swapper/123:10:141
315209950,1cyclictest0-21swapper/120:25:121
315209950,0cyclictest0-21swapper/119:45:531
315089954,1cyclictest9780-21telnet19:30:110
315089954,1cyclictest9-21ksoftirqd/019:50:150
315089950,0cyclictest0-21swapper/020:45:140
315089950,0cyclictest0-21swapper/020:10:180
315089950,0cyclictest0-21swapper/020:05:170
315339943,1cyclictest20955-21needreboot21:00:153
315339943,1cyclictest11111-21grep20:40:143
315209944,0cyclictest0-21swapper/120:21:261
315209942,1cyclictest0-21swapper/119:13:461
315209940,3cyclictest0-21swapper/120:50:361
315209940,1cyclictest0-21swapper/119:55:111
315209940,0cyclictest0-21swapper/120:05:101
315209931,1cyclictest0-21swapper/119:50:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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