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2026-09-23 - 00:14
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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 Tue Sep 22, 2026 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
234632213157,24sleep30-21swapper/307:06:553
234252201163,24sleep20-21swapper/207:06:272
235732200163,24sleep10-21swapper/107:08:231
233982199161,24sleep00-21swapper/007:06:030
75402670,0sleep20-21swapper/209:40:142
167452540,1sleep316740-21cpuspeed_turbos10:40:113
3872160,0sleep10-21swapper/108:35:011
64462140,0sleep10-21swapper/108:45:171
23823991412,1cyclictest35-21ksoftirqd/309:20:013
23823991412,1cyclictest35-21ksoftirqd/309:20:013
23801991413,0cyclictest9-21ksoftirqd/009:30:170
309042130,0sleep10-21swapper/111:45:211
23801991210,1cyclictest9-21ksoftirqd/012:04:590
23801991210,1cyclictest9-21ksoftirqd/010:10:000
23801991210,1cyclictest9-21ksoftirqd/009:05:000
23814991110,1cyclictest28-21ksoftirqd/207:50:002
2381499110,10cyclictest17455-21diskmemload10:20:172
2381099117,4cyclictest21-21ksoftirqd/111:13:061
23810991111,0cyclictest0-21swapper/111:54:471
2380199119,1cyclictest9-21ksoftirqd/009:45:140
2380199119,1cyclictest9-21ksoftirqd/008:04:590
2380199111,5cyclictest15314-21cat11:25:000
2382399108,1cyclictest26132-21/usr/sbin/munin07:15:003
2382399100,5cyclictest693-21runrttasks11:30:093
23814991010,0cyclictest0-21swapper/211:40:272
2381099100,4cyclictest0-21swapper/112:10:111
2380199100,6cyclictest26143-21munin-node08:22:470
26730298,0sleep335-21ksoftirqd/310:07:243
238239998,1cyclictest35-21ksoftirqd/310:24:213
238239990,5cyclictest0-21swapper/308:25:123
238149997,1cyclictest28-21ksoftirqd/208:20:002
238149997,1cyclictest15814-21latency_hist08:00:002
238109995,4cyclictest0-21swapper/110:17:051
238109990,4cyclictest0-21swapper/110:05:091
238019998,1cyclictest9-21ksoftirqd/011:10:120
238019998,1cyclictest9-21ksoftirqd/010:50:010
238019997,1cyclictest9-21ksoftirqd/009:15:000
238019996,2cyclictest9-21ksoftirqd/010:00:200
238019993,5cyclictest4663-21perf11:10:000
238019991,4cyclictest29209-21perf07:20:010
238019990,7cyclictest163552sleep009:52:310
238019990,1cyclictest240-21systemd-journal10:10:000
17484290,2sleep20-21swapper/211:25:532
238239988,0cyclictest35-21ksoftirqd/311:47:353
238239986,1cyclictest16955-21cat08:00:163
238239986,1cyclictest11301-21snmpd12:09:503
238239986,1cyclictest11301-21snmpd12:00:443
238239986,1cyclictest11301-21snmpd11:52:423
238239986,1cyclictest11301-21snmpd07:47:293
238239981,4cyclictest15825-21/usr/sbin/munin09:05:133
238149987,1cyclictest28-21ksoftirqd/210:10:012
238149987,1cyclictest16083-21sh09:51:352
238149986,1cyclictest61650irq/122-eno112:10:192
238149986,1cyclictest61650irq/122-eno110:30:242
238149986,1cyclictest61650irq/122-eno109:15:152
238149986,1cyclictest61650irq/122-eno109:15:142
238149986,1cyclictest11301-21snmpd11:39:002
238149986,1cyclictest11301-21snmpd10:11:372
238149983,4cyclictest15329-21apt-get09:05:102
238149980,6cyclictest693-21runrttasks10:16:022
238149980,0cyclictest0-21swapper/210:45:152
238149980,0cyclictest0-21swapper/210:41:472
238109984,4cyclictest21-21ksoftirqd/111:01:541
238109981,5cyclictest227292sleep110:00:371
238109980,8cyclictest21-21ksoftirqd/110:35:121
238109980,4cyclictest0-21swapper/111:15:111
238109980,4cyclictest0-21swapper/110:10:161
238019988,0cyclictest9-21ksoftirqd/012:25:010
238019988,0cyclictest9-21ksoftirqd/010:15:010
238019987,1cyclictest9-21ksoftirqd/012:15:110
238019987,1cyclictest9-21ksoftirqd/012:10:140
238019987,1cyclictest9-21ksoftirqd/011:15:110
238019987,1cyclictest9-21ksoftirqd/007:49:590
238019987,0cyclictest9-21ksoftirqd/012:25:010
238019986,1cyclictest9-21ksoftirqd/010:35:000
238019986,1cyclictest9-21ksoftirqd/008:55:130
238019986,1cyclictest9-21ksoftirqd/008:05:150
238019986,1cyclictest9-21ksoftirqd/008:00:000
238019986,1cyclictest9-21ksoftirqd/007:55:000
238019986,1cyclictest9-21ksoftirqd/007:40:130
238019986,1cyclictest11301-21snmpd10:22:440
238019986,1cyclictest11301-21snmpd08:41:030
238019985,2cyclictest20196-21ssh11:30:170
238019981,1cyclictest0-21swapper/009:22:080
238019980,7cyclictest365-21irqstats12:35:150
238019980,3cyclictest240-21systemd-journal07:15:000
238019980,0cyclictest240-21systemd-journal10:55:010
238019980,0cyclictest240-21systemd-journal10:55:010
238239976,1cyclictest11301-21snmpd11:40:183
238239976,1cyclictest11301-21snmpd10:12:013
238239975,1cyclictest1347-21ssh12:35:393
238239975,1cyclictest11301-21snmpd11:12:423
238239975,1cyclictest11301-21snmpd10:54:423
238239975,1cyclictest11301-21snmpd10:54:413
238239975,1cyclictest11301-21snmpd08:55:563
238239975,1cyclictest11301-21snmpd08:31:393
238239975,1cyclictest11301-21snmpd08:05:123
238239975,1cyclictest10696-21ntpq10:30:213
238239974,2cyclictest557-21irqbalance09:03:163
238239974,2cyclictest27036-21apt-get07:15:133
238239971,4cyclictest8343-21apt-get11:15:093
238239970,4cyclictest0-21swapper/309:37:263
238239970,2cyclictest0-21swapper/312:25:113
238149976,1cyclictest61650irq/122-eno112:35:132
238149976,1cyclictest61650irq/122-eno112:25:182
238149976,1cyclictest61650irq/122-eno111:45:132
238149976,1cyclictest61650irq/122-eno111:30:322
238149976,1cyclictest11301-21snmpd09:32:052
238149976,1cyclictest11301-21snmpd08:31:462
238149976,1cyclictest0-21swapper/211:20:372
238149975,1cyclictest61650irq/122-eno111:55:122
238149975,1cyclictest61650irq/122-eno110:55:132
238149975,1cyclictest32515-21ssh11:01:372
238149975,1cyclictest28-21ksoftirqd/207:15:002
238149975,1cyclictest19982-21ssh09:12:122
238149975,1cyclictest11301-21snmpd11:10:392
238149975,1cyclictest11301-21snmpd10:03:282
238149970,6cyclictest31219-21ssh09:27:532
238149970,6cyclictest0-21swapper/211:15:562
238149970,4cyclictest17455-21diskmemload12:05:122
238109977,0cyclictest21-21ksoftirqd/110:40:111
238109973,4cyclictest56-21kworker/1:111:57:501
238109973,4cyclictest21-21ksoftirqd/109:09:551
238109971,6cyclictest0-21swapper/110:55:061
238109970,7cyclictest0-21swapper/110:20:231
238109970,6cyclictest0-21swapper/107:24:291
238109970,3cyclictest0-21swapper/111:23:561
238019976,1cyclictest9-21ksoftirqd/010:41:030
238019976,1cyclictest9-21ksoftirqd/008:30:120
238019976,1cyclictest11301-21snmpd12:30:150
238019975,1cyclictest9-21ksoftirqd/011:00:120
238019975,1cyclictest9-21ksoftirqd/010:00:010
238019975,1cyclictest9-21ksoftirqd/007:25:140
238019975,1cyclictest11301-21snmpd08:14:390
238019974,2cyclictest6372-21cron07:40:010
238019973,2cyclictest240-21systemd-journal10:57:080
238019971,4cyclictest22319-21kworker/0:011:55:000
238019970,6cyclictest7606-21latency_hist08:50:000
238019970,6cyclictest28481-1kworker/u9:011:46:480
238019970,6cyclictest17395-21ssh11:25:340
238019970,5cyclictest506-21rm11:50:150
238019970,1cyclictest5379-21ssh09:35:490
238019970,1cyclictest22476-21apt-get11:35:110
238019970,1cyclictest0-21swapper/011:42:310
238019970,1cyclictest0-21swapper/007:21:550
238239965,1cyclictest29475-21ssh10:58:073
238239965,1cyclictest23438-21ssh12:21:303
238239965,1cyclictest22104-21ssh10:46:373
238239965,1cyclictest20133-21ssh12:17:073
238239965,1cyclictest19501-21ssh09:56:263
238239965,1cyclictest1668-21ssh10:18:033
238239965,1cyclictest16248-21ssh12:10:473
238239965,1cyclictest15140-21ssh10:36:373
238239965,1cyclictest11301-21snmpd12:30:093
238239964,1cyclictest5859-21ssh11:55:553
238239964,1cyclictest30948-21ssh09:26:583
238239964,1cyclictest11600-21tr07:50:133
238239964,1cyclictest11301-21snmpd09:45:153
238239964,1cyclictest11301-21snmpd07:41:093
238239964,0cyclictest17455-21diskmemload09:30:483
238239963,2cyclictest518-21apt-get08:35:123
238239963,1cyclictest32131-21diskmemload11:00:223
238239962,3cyclictest1407-21apt-get11:05:133
238239962,2cyclictest6038-21/usr/sbin/munin10:25:183
238239962,2cyclictest1898-21apt-get07:30:123
238239960,3cyclictest0-21swapper/311:25:103
238239960,1cyclictest0-21swapper/310:00:113
238149966,0cyclictest61650irq/122-eno112:15:302
238149966,0cyclictest61650irq/122-eno111:50:102
238149966,0cyclictest61650irq/122-eno110:35:132
238149966,0cyclictest61650irq/122-eno110:26:162
238149966,0cyclictest61650irq/122-eno109:55:152
238149966,0cyclictest61650irq/122-eno109:00:142
238149966,0cyclictest61650irq/122-eno108:05:142
238149966,0cyclictest61650irq/122-eno107:50:142
238149966,0cyclictest61650irq/122-eno107:40:162
238149965,1cyclictest61650irq/122-eno111:05:592
238149965,1cyclictest61650irq/122-eno109:45:222
238149965,1cyclictest61650irq/122-eno108:10:192
238149965,1cyclictest61650irq/122-eno107:20:122
238149965,1cyclictest29171-21ssh12:30:142
238149965,1cyclictest0-21swapper/208:45:202
238149965,0cyclictest61650irq/122-eno112:00:122
238149965,0cyclictest61650irq/122-eno108:50:122
238149964,1cyclictest61650irq/122-eno109:35:152
238149964,1cyclictest25083-21aten2.4-expect09:20:142
238149964,1cyclictest11301-21snmpd12:20:032
238149960,6cyclictest0-21swapper/208:59:112
238149960,6cyclictest0-21swapper/208:42:222
238149960,3cyclictest0-21swapper/210:50:172
238149960,3cyclictest0-21swapper/210:50:162
238149960,1cyclictest0-21swapper/207:25:112
238109966,0cyclictest21-21ksoftirqd/108:15:201
238109965,1cyclictest0-21swapper/107:19:501
238109964,1cyclictest0-21swapper/112:25:151
238109962,1cyclictest0-21swapper/108:30:121
238109960,6cyclictest0-21swapper/112:24:021
238109960,6cyclictest0-21swapper/111:25:241
238109960,6cyclictest0-21swapper/109:38:571
238109960,6cyclictest0-21swapper/109:18:141
238109960,6cyclictest0-21swapper/109:18:131
238109960,6cyclictest0-21swapper/109:00:201
238109960,6cyclictest0-21swapper/108:08:561
238109960,6cyclictest0-21swapper/107:54:111
238109960,6cyclictest0-21swapper/107:33:571
238109960,5cyclictest0-21swapper/110:51:021
238109960,5cyclictest0-21swapper/110:51:011
238109960,4cyclictest0-21swapper/111:43:171
238109960,4cyclictest0-21swapper/109:41:121
238109960,2cyclictest0-21swapper/108:10:221
238109960,1cyclictest0-21swapper/107:57:571
238109960,1cyclictest0-21swapper/107:28:111
238109960,0cyclictest0-21swapper/109:57:191
238019965,0cyclictest0-21swapper/010:35:120
238019964,1cyclictest11301-21snmpd08:26:580
238019960,6cyclictest0-21swapper/010:25:140
238019960,0cyclictest17455-21diskmemload12:06:530
238019960,0cyclictest17455-21diskmemload09:40:170
238019960,0cyclictest17455-21diskmemload09:15:170
238019960,0cyclictest17455-21diskmemload09:15:170
238019960,0cyclictest0-21swapper/009:25:510
238019960,0cyclictest0-21swapper/009:05:210
238019960,0cyclictest0-21swapper/008:35:120
238019960,0cyclictest0-21swapper/008:17:370
238019960,0cyclictest0-21swapper/007:30:030
1833260,1sleep10-21swapper/109:31:051
238239955,0cyclictest17455-21diskmemload11:35:073
238239954,1cyclictest5131-21cat07:35:153
238239954,1cyclictest35-21ksoftirqd/308:46:523
238239954,1cyclictest24935-21ssh09:20:093
238239954,1cyclictest11301-21snmpd08:10:153
238239953,1cyclictest7487-21df09:40:133
238239952,1cyclictest10109-21cat08:55:003
238239951,3cyclictest561-21nscd11:22:233
238239951,3cyclictest0-21swapper/308:15:143
238239950,5cyclictest0-21swapper/307:27:573
238239950,3cyclictest25523-21aten_r1power_cu08:20:113
238239950,3cyclictest0-21swapper/309:51:233
238239950,1cyclictest0-21swapper/309:10:143
238239950,0cyclictest0-21swapper/308:43:593
238149955,0cyclictest61650irq/122-eno108:35:172
238149955,0cyclictest61650irq/122-eno107:35:412
238149955,0cyclictest61650irq/122-eno107:30:122
238149955,0cyclictest61650irq/122-eno107:15:142
238149954,1cyclictest61650irq/122-eno108:20:142
238149953,1cyclictest28590-21grep08:25:152
238149952,1cyclictest548-21systemd-logind08:00:202
238109955,0cyclictest21-21ksoftirqd/111:05:221
238109955,0cyclictest0-21swapper/111:39:121
238109955,0cyclictest0-21swapper/111:30:091
238109952,2cyclictest0-21swapper/107:45:161
238109951,3cyclictest0-21swapper/112:18:011
238109951,1cyclictest135442sleep112:08:201
238109951,1cyclictest0-21swapper/109:50:151
238109950,5cyclictest0-21swapper/108:40:491
238109950,5cyclictest0-21swapper/107:42:361
238109950,4cyclictest0-21swapper/109:46:401
238109950,4cyclictest0-21swapper/109:24:121
238109950,3cyclictest0-21swapper/112:35:121
238109950,3cyclictest0-21swapper/109:10:131
238109950,2cyclictest0-21swapper/112:01:511
238109950,2cyclictest0-21swapper/110:45:111
238109950,2cyclictest0-21swapper/107:10:131
238109950,1cyclictest0-21swapper/109:25:141
238019950,5cyclictest26143-21munin-node08:50:120
15416250,0sleep30-21swapper/307:55:233
238239943,1cyclictest30577-21ntpq07:20:173
238109944,0cyclictest0-21swapper/108:50:221
238109940,4cyclictest0-21swapper/110:30:231
238109940,4cyclictest0-21swapper/108:25:101
238109940,4cyclictest0-21swapper/108:23:431
238109940,4cyclictest0-21swapper/107:36:271
238109940,3cyclictest17943-21taskset08:02:051
238109940,3cyclictest0-21swapper/112:30:171
238109940,1cyclictest0-21swapper/110:25:091
238109940,0cyclictest0-21swapper/108:57:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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