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2026-08-03 - 14:49
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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 792 highest latencies:
System rack1slot1.osadl.org (updated Mon Aug 03, 2026 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
50502217149,24sleep30-21swapper/307:07:223
49232202146,42sleep00-21swapper/007:05:430
50542199162,24sleep20-21swapper/207:07:262
51402198160,25sleep10-21swapper/107:08:331
204822720,0sleep10-21swapper/111:10:191
236872600,0sleep10-21swapper/110:30:141
246492580,0sleep30-21swapper/312:03:043
173152580,0sleep00-21swapper/011:05:200
265882520,0sleep026593-21cpuspeed_turbos09:00:130
5374991413,1cyclictest28-21ksoftirqd/212:30:132
5374991312,1cyclictest0-21swapper/211:10:162
5354991210,1cyclictest9-21ksoftirqd/012:30:000
5354991210,1cyclictest9-21ksoftirqd/012:15:180
5354991210,1cyclictest9-21ksoftirqd/011:20:000
5354991210,1cyclictest9-21ksoftirqd/010:35:000
5354991210,1cyclictest9-21ksoftirqd/009:55:000
5374991110,1cyclictest28-21ksoftirqd/208:30:012
537499110,0cyclictest0-21swapper/211:54:242
535499119,1cyclictest9-21ksoftirqd/011:45:000
535499119,1cyclictest9-21ksoftirqd/007:40:000
535499112,4cyclictest30859-21sed09:10:000
5354991111,0cyclictest9-21ksoftirqd/009:25:170
5354991110,1cyclictest9-21ksoftirqd/011:50:110
5354991110,1cyclictest9-21ksoftirqd/009:40:210
5354991110,1cyclictest9-21ksoftirqd/009:35:150
5354991110,1cyclictest9-21ksoftirqd/008:00:160
25422110,0sleep10-21swapper/109:15:121
538399100,6cyclictest0-21swapper/310:25:103
537499109,1cyclictest28-21ksoftirqd/210:10:002
537499108,1cyclictest28-21ksoftirqd/210:15:142
537499108,1cyclictest28-21ksoftirqd/208:15:002
5374991010,0cyclictest28-21ksoftirqd/209:25:152
535499109,1cyclictest9-21ksoftirqd/012:20:140
535499109,1cyclictest9-21ksoftirqd/010:55:210
535499109,1cyclictest9-21ksoftirqd/010:05:010
535499108,1cyclictest9-21ksoftirqd/010:45:000
535499108,1cyclictest9-21ksoftirqd/010:25:130
535499108,1cyclictest9-21ksoftirqd/010:00:120
535499108,1cyclictest9-21ksoftirqd/008:40:000
535499108,1cyclictest9-21ksoftirqd/007:15:010
53839999,0cyclictest30817-21diskmemload11:16:413
53839998,1cyclictest35-21ksoftirqd/311:10:003
53839994,3cyclictest30817-21diskmemload09:14:063
53839992,4cyclictest7972-21apt-get11:40:123
53839990,6cyclictest0-21swapper/309:50:393
53749998,1cyclictest28-21ksoftirqd/212:15:002
53749998,1cyclictest28-21ksoftirqd/212:10:002
53749998,1cyclictest15067-21taskset11:04:272
53749990,8cyclictest24884-21perf07:50:002
53669999,0cyclictest0-21swapper/112:03:571
53549999,0cyclictest9-21ksoftirqd/010:10:150
53549999,0cyclictest9-21ksoftirqd/009:55:210
53549998,1cyclictest9-21ksoftirqd/007:10:540
53549997,1cyclictest9-21ksoftirqd/010:15:210
53549997,1cyclictest9-21ksoftirqd/009:35:000
53549997,1cyclictest9-21ksoftirqd/009:20:140
53549997,1cyclictest9-21ksoftirqd/008:25:150
15125290,0sleep10-21swapper/110:18:011
53839986,1cyclictest35-21ksoftirqd/307:22:543
53839986,1cyclictest35-21ksoftirqd/307:22:543
53839986,1cyclictest23828-21cpuspeed_turbos09:45:123
53839986,1cyclictest13434-21cat10:15:173
53839986,1cyclictest11301-21snmpd09:42:203
53839986,1cyclictest11301-21snmpd09:00:193
53839986,1cyclictest11301-21snmpd08:50:573
53839986,1cyclictest11301-21snmpd08:47:563
53839986,1cyclictest11301-21snmpd07:49:483
53839982,1cyclictest15674-21ntp_states12:35:183
53839980,7cyclictest32548-21sh10:41:453
53839980,7cyclictest0-21swapper/312:25:123
53839980,5cyclictest0-21swapper/311:10:253
53839980,5cyclictest0-21swapper/310:50:263
53749987,1cyclictest28-21ksoftirqd/212:30:002
53749987,1cyclictest28-21ksoftirqd/212:00:202
53749987,1cyclictest28-21ksoftirqd/211:45:142
53749987,1cyclictest28-21ksoftirqd/209:55:142
53749987,1cyclictest28-21ksoftirqd/209:00:002
53749986,1cyclictest28-21ksoftirqd/211:20:142
53749986,1cyclictest28-21ksoftirqd/209:30:142
53749986,1cyclictest28-21ksoftirqd/207:30:012
53749986,1cyclictest11301-21snmpd10:12:182
53749986,1cyclictest11301-21snmpd09:10:032
53749986,1cyclictest11301-21snmpd08:03:412
53749984,2cyclictest548-21systemd-logind11:25:202
53749983,1cyclictest17747-21munin-run12:40:002
53749980,5cyclictest21648-21kworker/u8:109:52:472
53749980,1cyclictest0-21swapper/207:30:132
53549988,0cyclictest9-21ksoftirqd/007:50:200
53549987,1cyclictest9-21ksoftirqd/010:45:100
53549987,1cyclictest9-21ksoftirqd/008:45:000
53549987,1cyclictest9-21ksoftirqd/008:30:120
53549987,1cyclictest9-21ksoftirqd/008:20:140
53549982,5cyclictest7698-21munin-node08:52:140
53549981,6cyclictest22016-21/usr/sbin/munin12:00:130
53549981,6cyclictest15492-21perf07:30:010
53549981,6cyclictest15464-21latency12:35:160
53549981,4cyclictest14258-21sed12:35:000
53549980,7cyclictest11805-21cstates11:45:140
53549980,7cyclictest0-21swapper/012:05:130
53549980,4cyclictest7737-21sed11:40:010
53549980,1cyclictest0-21swapper/011:28:580
21002280,1sleep10-21swapper/111:57:461
17947280,0sleep20-21swapper/210:20:432
53839976,1cyclictest35-21ksoftirqd/307:52:543
53839976,1cyclictest35-21ksoftirqd/307:35:013
53839975,1cyclictest35-21ksoftirqd/311:05:003
53839975,1cyclictest15419-21sshd07:29:553
53839975,1cyclictest1268-21cat12:15:173
53839975,1cyclictest11301-21snmpd11:38:033
53839975,1cyclictest11301-21snmpd10:21:543
53839975,1cyclictest11301-21snmpd10:09:273
53839975,1cyclictest11301-21snmpd09:15:193
53839975,1cyclictest11301-21snmpd08:06:083
53839972,3cyclictest0-21swapper/309:35:123
53839971,4cyclictest30817-21diskmemload11:50:093
53839971,2cyclictest0-21swapper/310:10:203
53839971,2cyclictest0-21swapper/309:24:313
53839970,6cyclictest11301-21snmpd11:57:423
53839970,4cyclictest3128-21memory08:10:163
53839970,3cyclictest13469-21sh12:32:403
53839970,2cyclictest0-21swapper/312:10:503
53839970,2cyclictest0-21swapper/309:55:123
53749977,0cyclictest28-21ksoftirqd/210:40:192
53749977,0cyclictest28-21ksoftirqd/210:25:202
53749976,1cyclictest61650irq/122-eno111:40:032
53749976,1cyclictest61650irq/122-eno109:20:302
53749976,1cyclictest61650irq/122-eno109:15:132
53749976,1cyclictest28-21ksoftirqd/209:40:132
53749976,1cyclictest28-21ksoftirqd/209:05:132
53749976,1cyclictest28-21ksoftirqd/209:05:002
53749976,1cyclictest28-21ksoftirqd/208:50:002
53749976,1cyclictest24467-21ntpq10:30:182
53749976,1cyclictest16631-21cat11:05:162
53749976,1cyclictest11301-21snmpd07:39:162
53749975,1cyclictest61650irq/122-eno110:00:192
53749975,1cyclictest61650irq/122-eno108:50:192
53749975,1cyclictest12982-21taskset07:23:522
53749975,1cyclictest12982-21taskset07:23:522
53749975,1cyclictest11301-21snmpd12:20:282
53749974,1cyclictest28-21ksoftirqd/207:55:002
53749972,4cyclictest20401-21apt-get07:40:092
53749971,4cyclictest0-21swapper/211:30:102
53749970,1cyclictest19062-21cut08:45:002
53669971,2cyclictest0-21swapper/107:20:201
53669971,2cyclictest0-21swapper/107:20:201
53669970,6cyclictest0-21swapper/108:59:161
53669970,4cyclictest0-21swapper/111:40:031
53669970,4cyclictest0-21swapper/109:42:271
53669970,1cyclictest0-21swapper/110:27:061
53549977,0cyclictest9-21ksoftirqd/011:20:110
53549976,1cyclictest9-21ksoftirqd/011:10:150
53549976,1cyclictest9-21ksoftirqd/008:15:190
53549976,1cyclictest9-21ksoftirqd/007:50:000
53549976,1cyclictest9-21ksoftirqd/007:20:140
53549976,1cyclictest9-21ksoftirqd/007:20:140
53549975,1cyclictest6774-21ssh10:50:260
53549975,1cyclictest28593-21users10:35:230
53549975,1cyclictest24501-21cat09:45:150
53549975,1cyclictest11301-21snmpd07:41:490
53549973,1cyclictest30817-21diskmemload09:10:370
53549971,5cyclictest18474-21ssh11:55:110
53549971,1cyclictest29600-21ssh12:10:140
53549970,6cyclictest579-1kworker/u9:011:30:170
53549970,6cyclictest12021-21ssh11:00:130
53549970,6cyclictest0-21swapper/010:20:120
53839966,0cyclictest30817-21diskmemload12:20:163
53839965,1cyclictest9629-21ssh10:55:193
53839965,1cyclictest3798-21sshd11:33:593
53839965,1cyclictest32147-21ssh11:27:093
53839965,1cyclictest14074-21ssh11:48:013
53839964,1cyclictest26469-21irqstats12:05:153
53839964,1cyclictest11301-21snmpd09:30:443
53839964,1cyclictest11301-21snmpd08:39:273
53839962,3cyclictest0-21swapper/308:00:133
53839962,2cyclictest0-21swapper/309:25:143
53839961,3cyclictest11980-21apt-get08:30:123
53839961,2cyclictest240-21systemd-journal08:00:003
53839960,5cyclictest22537-21perf07:45:003
53839960,4cyclictest0-21swapper/310:35:153
53839960,2cyclictest0-21swapper/311:22:593
53839960,2cyclictest0-21swapper/310:30:193
53839960,2cyclictest0-21swapper/310:00:113
53749966,0cyclictest61650irq/122-eno112:15:462
53749966,0cyclictest61650irq/122-eno111:55:162
53749966,0cyclictest61650irq/122-eno109:46:082
53749966,0cyclictest61650irq/122-eno107:16:432
53749965,1cyclictest61650irq/122-eno111:16:352
53749965,1cyclictest61650irq/122-eno110:50:212
53749965,1cyclictest28-21ksoftirqd/211:35:132
53749965,1cyclictest28-21ksoftirqd/210:55:162
53749965,1cyclictest28-21ksoftirqd/208:35:012
53749965,1cyclictest16501-21ssh09:35:032
53749965,1cyclictest11301-21snmpd08:35:452
53749965,1cyclictest11301-21snmpd08:09:472
53749963,2cyclictest7950-21cut07:15:002
53749961,1cyclictest0-21swapper/210:45:102
53749960,3cyclictest0-21swapper/210:37:032
53669966,0cyclictest0-21swapper/112:14:311
53669961,2cyclictest0-21swapper/107:55:151
53669960,6cyclictest0-21swapper/111:06:101
53669960,6cyclictest0-21swapper/109:37:381
53669960,6cyclictest0-21swapper/109:20:151
53669960,6cyclictest0-21swapper/108:20:151
53669960,6cyclictest0-21swapper/108:03:291
53669960,6cyclictest0-21swapper/107:16:211
53669960,5cyclictest0-21swapper/110:58:281
53669960,5cyclictest0-21swapper/107:27:011
53669960,4cyclictest0-21swapper/111:50:171
53669960,4cyclictest0-21swapper/110:45:181
53669960,4cyclictest0-21swapper/109:10:201
53669960,2cyclictest0-21swapper/112:05:171
53669960,2cyclictest0-21swapper/111:35:181
53669960,2cyclictest0-21swapper/110:43:121
53669960,2cyclictest0-21swapper/110:00:151
53669960,2cyclictest0-21swapper/109:47:461
53669960,1cyclictest0-21swapper/110:13:151
53549965,1cyclictest9-21ksoftirqd/008:45:160
53549965,1cyclictest25096-21ntpq08:55:170
53549965,1cyclictest16841-21ntpq07:30:190
53549964,1cyclictest11301-21snmpd07:58:260
53549960,5cyclictest0-21swapper/009:15:100
53549960,5cyclictest0-21swapper/008:05:130
53549960,0cyclictest0-21swapper/008:10:190
28833260,1sleep10-21swapper/111:22:501
53839954,1cyclictest29858-21ntp_states09:05:193
53839954,1cyclictest11301-21snmpd07:16:333
53839953,1cyclictest23969-21apt-get08:55:113
53839953,1cyclictest19189-21ntp_states07:35:193
53839953,1cyclictest11301-21snmpd08:40:513
53839951,3cyclictest10582-21ntp_states08:25:183
53839951,2cyclictest2485-21cat10:45:163
53839951,2cyclictest0-21swapper/308:20:183
53839951,1cyclictest5602-21aten2.4-expect07:10:123
53749954,1cyclictest61650irq/122-eno107:55:142
53749953,1cyclictest583-21in:imuxsock08:15:002
53749950,4cyclictest2213-21kworker/2:108:20:122
53669955,0cyclictest0-21swapper/108:45:141
53669951,2cyclictest0-21swapper/108:30:121
53669951,1cyclictest0-21swapper/111:45:181
53669951,1cyclictest0-21swapper/110:35:151
53669950,5cyclictest0-21swapper/112:20:191
53669950,5cyclictest0-21swapper/110:05:081
53669950,5cyclictest0-21swapper/107:43:521
53669950,5cyclictest0-21swapper/107:32:311
53669950,4cyclictest0-21swapper/111:20:001
53669950,4cyclictest0-21swapper/109:31:051
53669950,4cyclictest0-21swapper/108:27:121
53669950,3cyclictest0-21swapper/112:30:201
53669950,3cyclictest0-21swapper/109:55:211
53669950,3cyclictest0-21swapper/109:50:281
53669950,3cyclictest0-21swapper/108:40:111
53669950,3cyclictest0-21swapper/107:47:361
53669950,2cyclictest0-21swapper/110:50:141
53669950,2cyclictest0-21swapper/110:23:131
53669950,1cyclictest0-21swapper/112:28:321
53669950,1cyclictest0-21swapper/112:18:301
53669950,1cyclictest0-21swapper/111:00:241
53669950,0cyclictest0-21swapper/111:30:181
53839942,1cyclictest1002-21nscd08:15:123
53669940,4cyclictest0-21swapper/107:50:211
53669940,3cyclictest1772-21taskset08:08:431
53669940,3cyclictest0-21swapper/112:35:111
53669940,3cyclictest0-21swapper/109:07:531
53669940,3cyclictest0-21swapper/107:12:291
53669940,2cyclictest0-21swapper/109:25:021
53669940,2cyclictest0-21swapper/108:35:091
53669940,1cyclictest0-21swapper/111:25:111
53669940,1cyclictest0-21swapper/109:05:001
53669940,1cyclictest0-21swapper/108:50:181
53669940,1cyclictest0-21swapper/108:20:001
53669940,1cyclictest0-21swapper/107:39:591
53669931,1cyclictest0-21swapper/108:10:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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