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2026-08-14 - 20:20
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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 Fri Aug 14, 2026 12:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21952201162,25sleep20-21swapper/207:09:232
21992199160,25sleep10-21swapper/107:09:261
19922199161,24sleep00-21swapper/007:06:440
20202198159,25sleep30-21swapper/307:07:073
280232680,0sleep10-21swapper/109:10:001
279182610,0sleep30-21swapper/311:25:193
262882580,0sleep30-21swapper/307:56:333
5202540,0sleep30-21swapper/308:10:193
232799240,12cyclictest0-21swapper/009:40:110
2342991716,1cyclictest28-21ksoftirqd/209:19:262
234299140,13cyclictest0-21swapper/211:35:182
2342991313,0cyclictest0-21swapper/211:01:412
2342991312,1cyclictest28-21ksoftirqd/207:45:002
232799134,4cyclictest22874-21apt-get09:00:000
232799133,5cyclictest20567-21cat08:55:000
272272120,0sleep10-21swapper/110:40:111
2342991211,1cyclictest28-21ksoftirqd/210:40:152
234299120,11cyclictest0-21swapper/211:40:122
2327991212,0cyclictest0-21swapper/011:30:110
2327991210,1cyclictest9-21ksoftirqd/008:05:000
234299119,1cyclictest28-21ksoftirqd/207:25:002
2342991110,1cyclictest28-21ksoftirqd/212:17:572
2342991110,1cyclictest28-21ksoftirqd/211:22:592
2342991110,1cyclictest28-21ksoftirqd/211:11:482
2342991110,1cyclictest28-21ksoftirqd/210:03:352
2342991110,1cyclictest28-21ksoftirqd/209:52:022
2342991110,1cyclictest28-21ksoftirqd/209:30:192
234299110,3cyclictest0-21swapper/207:55:122
233599110,10cyclictest0-21swapper/110:30:171
234299109,1cyclictest28-21ksoftirqd/212:05:162
234299109,1cyclictest28-21ksoftirqd/211:27:152
234299109,1cyclictest28-21ksoftirqd/210:38:372
234299109,1cyclictest28-21ksoftirqd/209:40:122
234299109,1cyclictest28-21ksoftirqd/209:25:232
234299109,1cyclictest28-21ksoftirqd/209:13:372
234299109,1cyclictest28-21ksoftirqd/208:10:132
234299108,1cyclictest28-21ksoftirqd/211:15:192
234299108,1cyclictest28-21ksoftirqd/209:21:492
233599100,9cyclictest0-21swapper/111:35:131
232799109,1cyclictest9-21ksoftirqd/011:00:010
232799101,4cyclictest4471-21latency_hist11:40:000
23509990,8cyclictest0-21swapper/310:43:263
23429999,0cyclictest28-21ksoftirqd/212:39:412
23429999,0cyclictest28-21ksoftirqd/212:20:182
23429998,1cyclictest61650irq/122-eno110:15:132
23429998,1cyclictest28-21ksoftirqd/212:10:122
23429998,1cyclictest28-21ksoftirqd/212:00:132
23429998,1cyclictest28-21ksoftirqd/211:30:142
23429998,1cyclictest28-21ksoftirqd/211:05:122
23429998,1cyclictest28-21ksoftirqd/210:30:372
23429998,1cyclictest28-21ksoftirqd/210:24:332
23429997,1cyclictest28-21ksoftirqd/210:50:152
23429997,1cyclictest28-21ksoftirqd/210:14:132
23429997,1cyclictest28-21ksoftirqd/209:10:002
23429996,3cyclictest28-21ksoftirqd/210:05:212
23429995,3cyclictest61650irq/122-eno109:48:352
23359990,8cyclictest0-21swapper/112:10:111
23279990,6cyclictest27799-21diskmemload12:25:120
23279990,5cyclictest4685-21munin-node10:06:460
23509987,1cyclictest35-21ksoftirqd/311:35:003
23509987,1cyclictest11301-21snmpd10:02:143
23509986,1cyclictest11301-21snmpd12:00:203
23509986,1cyclictest11301-21snmpd11:52:143
23509986,1cyclictest11301-21snmpd07:42:153
23509982,5cyclictest1794-21/usr/sbin/munin10:50:153
23509982,3cyclictest0-21swapper/311:15:103
23509981,5cyclictest27799-21diskmemload11:04:313
23509980,4cyclictest559-21cron09:20:003
23429987,1cyclictest28-21ksoftirqd/211:45:142
23429987,1cyclictest28-21ksoftirqd/210:25:242
23429987,1cyclictest28-21ksoftirqd/208:25:132
23429986,1cyclictest28-21ksoftirqd/212:34:242
23429986,1cyclictest28-21ksoftirqd/211:51:282
23429986,1cyclictest28-21ksoftirqd/210:55:132
23429986,1cyclictest28-21ksoftirqd/210:45:212
23429986,1cyclictest17387-21kworker/2:108:15:182
23429986,1cyclictest16091-21cat11:55:152
23429980,7cyclictest27630-21apt-get09:55:122
23279987,1cyclictest11301-21snmpd09:07:050
23279986,1cyclictest11301-21snmpd10:20:230
23279982,5cyclictest21916-21perf07:50:000
23279981,6cyclictest20617-21ssh09:45:130
23279980,7cyclictest11083-21ssh11:48:560
23279980,4cyclictest19335-21apt-get11:15:100
23279980,2cyclictest26339-21ssh11:25:100
23279980,1cyclictest8399-21ssh12:30:160
23509976,1cyclictest29297-21aten_r1power_fr12:15:133
23509976,1cyclictest27956-21ntpq08:00:183
23509975,2cyclictest31296-21fschecks_count10:45:143
23509975,1cyclictest6655-21ssh11:40:593
23509975,1cyclictest35-21ksoftirqd/312:25:223
23509975,1cyclictest18258-21ssh11:12:263
23509975,1cyclictest11485-21ssh10:16:483
23509975,1cyclictest11301-21snmpd08:35:563
23509975,1cyclictest11301-21snmpd07:25:483
23509973,2cyclictest7346-21/usr/sbin/munin12:30:163
23509971,5cyclictest27799-21diskmemload09:40:573
23509971,4cyclictest10848-21apt-get12:35:113
23509971,2cyclictest0-21swapper/310:56:593
23509970,5cyclictest27799-21diskmemload11:45:263
23509970,4cyclictest0-21swapper/312:22:163
23509970,4cyclictest0-21swapper/311:21:333
23509970,4cyclictest0-21swapper/311:05:103
23509970,4cyclictest0-21swapper/310:22:513
23509970,4cyclictest0-21swapper/309:12:563
23509970,3cyclictest0-21swapper/309:55:553
23509970,2cyclictest13555-21/usr/sbin/munin09:35:123
23509970,2cyclictest0-21swapper/310:31:233
23429977,0cyclictest28-21ksoftirqd/209:35:252
23429976,1cyclictest61650irq/122-eno112:25:042
23429976,1cyclictest28-21ksoftirqd/208:35:192
23429976,1cyclictest11301-21snmpd07:53:582
23429975,1cyclictest28-21ksoftirqd/208:50:132
23429975,1cyclictest28-21ksoftirqd/207:45:182
23429975,1cyclictest28-21ksoftirqd/207:30:162
23429975,1cyclictest11301-21snmpd08:08:132
23359971,3cyclictest0-21swapper/111:03:071
23359970,1cyclictest0-21swapper/112:18:121
23359970,1cyclictest0-21swapper/112:07:261
23359970,1cyclictest0-21swapper/109:59:341
23359970,1cyclictest0-21swapper/109:02:451
23279975,1cyclictest9957-21fschecks_time10:15:140
23279975,1cyclictest27883-21ssh12:11:360
23279975,1cyclictest11301-21snmpd08:45:050
23279975,1cyclictest11301-21snmpd08:26:270
23279975,1cyclictest11301-21snmpd07:39:420
23279973,1cyclictest31145-21/usr/sbin/munin10:00:130
23279970,6cyclictest930-21ssh09:15:360
23279970,6cyclictest6850-21grep10:10:170
23279970,6cyclictest31090-21ssh12:15:400
23279970,6cyclictest20269-21timerandwakeup12:00:200
23279970,6cyclictest15200-21apt-get11:55:100
23279970,6cyclictest0-21swapper/011:10:200
23279970,6cyclictest0-21swapper/010:40:010
23279970,6cyclictest0-21swapper/009:55:230
23279970,6cyclictest0-21swapper/009:10:180
23279970,4cyclictest5503-21sed11:40:150
23279970,4cyclictest0-21swapper/012:35:130
23279970,1cyclictest8412-21ssh09:26:170
23279970,1cyclictest693-21runrttasks09:20:120
23279970,1cyclictest30674-21ssh10:45:040
23279970,1cyclictest27799-21diskmemload11:06:490
23279970,1cyclictest17507-21ssh10:25:180
23279970,1cyclictest15661-21ssh09:36:230
23279970,1cyclictest0-21swapper/012:05:140
23279970,1cyclictest0-21swapper/011:54:430
23279970,1cyclictest0-21swapper/011:00:130
23279970,1cyclictest0-21swapper/010:30:190
23279970,1cyclictest0-21swapper/009:00:140
23279970,1cyclictest0-21swapper/008:15:200
23279970,0cyclictest24842-21ssh09:50:140
23509966,0cyclictest35-21ksoftirqd/310:25:023
23509966,0cyclictest35-21ksoftirqd/308:31:133
23509965,1cyclictest5576-21/usr/sbin/munin07:15:223
23509965,1cyclictest27752-21ssh12:11:123
23509965,1cyclictest26845-21ntpq09:05:173
23509964,1cyclictest6408-21apt-get08:25:113
23509964,1cyclictest4666-21perf07:15:003
23509964,1cyclictest35-21ksoftirqd/307:55:003
23509964,1cyclictest11301-21snmpd08:15:223
23509964,1cyclictest11301-21snmpd07:31:503
23509962,2cyclictest5753-21/usr/sbin/munin10:10:183
23509962,2cyclictest27799-21diskmemload10:07:013
23509961,3cyclictest27799-21diskmemload09:20:163
23509961,2cyclictest20760-21apt-get08:55:153
23509961,2cyclictest20697-21sh09:45:133
23509960,4cyclictest0-21swapper/312:05:453
23509960,4cyclictest0-21swapper/308:50:013
23509960,3cyclictest0-21swapper/309:30:133
23509960,2cyclictest0-21swapper/309:50:113
23509960,2cyclictest0-21swapper/309:26:373
23509960,1cyclictest0-21swapper/310:35:113
23509960,1cyclictest0-21swapper/307:45:123
23429966,0cyclictest61650irq/122-eno108:49:132
23429966,0cyclictest61650irq/122-eno108:40:172
23429966,0cyclictest61650irq/122-eno108:32:052
23429966,0cyclictest61650irq/122-eno107:11:212
23429966,0cyclictest28-21ksoftirqd/208:59:482
23429965,1cyclictest28-21ksoftirqd/207:35:162
23429965,1cyclictest28-21ksoftirqd/207:15:002
23429965,1cyclictest17387-21kworker/2:107:25:002
23429964,1cyclictest61650irq/122-eno109:00:122
23429964,1cyclictest28-21ksoftirqd/208:20:152
23429960,1cyclictest0-21swapper/208:04:552
23359965,1cyclictest0-21swapper/107:59:281
23359963,2cyclictest0-21swapper/107:20:131
23359961,3cyclictest0-21swapper/111:45:131
23359961,2cyclictest0-21swapper/110:58:231
23359960,6cyclictest0-21swapper/112:39:391
23359960,6cyclictest0-21swapper/109:20:191
23359960,6cyclictest0-21swapper/108:16:041
23359960,5cyclictest0-21swapper/112:00:151
23359960,5cyclictest0-21swapper/110:18:081
23359960,5cyclictest0-21swapper/109:27:541
23359960,3cyclictest0-21swapper/112:25:271
23359960,3cyclictest0-21swapper/111:12:541
23359960,1cyclictest0-21swapper/109:50:161
23359960,0cyclictest0-21swapper/111:59:471
23279965,1cyclictest9-21ksoftirqd/007:55:130
23279965,1cyclictest8844-21cat07:20:160
23279965,1cyclictest31415-1kworker/u9:012:20:540
23279965,1cyclictest12247-21ntpq08:35:190
23279964,1cyclictest312232sleep008:09:120
23279964,1cyclictest23857-21sshd07:50:330
23279964,0cyclictest27799-21diskmemload10:35:560
23279963,0cyclictest0-21swapper/010:50:190
23279960,6cyclictest0-21swapper/008:24:590
23279960,5cyclictest0-21swapper/011:20:100
23279960,2cyclictest0-21swapper/009:30:120
23279960,1cyclictest0-21swapper/007:15:000
23279960,0cyclictest0-21swapper/007:41:070
23509954,1cyclictest35-21ksoftirqd/308:48:323
23509953,1cyclictest9686-21users07:20:213
23509953,1cyclictest4599-21tune2fs08:20:143
23509953,1cyclictest35-21ksoftirqd/309:00:113
23509952,1cyclictest35-21ksoftirqd/307:37:583
23509951,2cyclictest0-21swapper/311:55:103
23509950,3cyclictest0-21swapper/311:36:033
23359955,0cyclictest0-21swapper/112:33:481
23359955,0cyclictest0-21swapper/109:34:481
23359953,1cyclictest162732sleep110:25:111
23359953,1cyclictest0-21swapper/108:00:181
23359951,2cyclictest0-21swapper/111:05:101
23359951,1cyclictest0-21swapper/109:40:171
23359950,5cyclictest0-21swapper/110:50:571
23359950,5cyclictest0-21swapper/107:50:001
23359950,5cyclictest0-21swapper/107:26:491
23359950,5cyclictest0-21swapper/107:15:211
23359950,4cyclictest0-21swapper/111:23:581
23359950,4cyclictest0-21swapper/107:41:181
23359950,3cyclictest0-21swapper/110:20:161
23359950,3cyclictest0-21swapper/108:55:151
23359950,2cyclictest0-21swapper/112:21:551
23359950,2cyclictest0-21swapper/111:30:241
23359950,2cyclictest0-21swapper/110:45:351
23359950,2cyclictest0-21swapper/109:16:121
23359950,1cyclictest0-21swapper/111:40:131
23359950,1cyclictest0-21swapper/111:15:141
23359950,1cyclictest0-21swapper/110:02:321
23359950,1cyclictest0-21swapper/108:45:001
23359950,1cyclictest0-21swapper/107:15:001
23359950,0cyclictest0-21swapper/111:25:141
23359950,0cyclictest0-21swapper/108:30:111
23279953,1cyclictest14060-21cut08:40:150
23279950,4cyclictest8758-21/usr/sbin/munin08:30:120
23279950,4cyclictest0-21swapper/007:10:110
23279950,0cyclictest0-21swapper/008:11:480
23279950,0cyclictest0-21swapper/007:30:220
23279950,0cyclictest0-21swapper/007:26:270
23509943,1cyclictest30041-21if_eno108:05:163
23509942,1cyclictest13226-21cron08:40:003
23359944,0cyclictest0-21swapper/108:07:561
23359943,1cyclictest58102sleep108:20:301
23359941,1cyclictest0-21swapper/111:50:121
23359940,4cyclictest0-21swapper/108:10:201
23359940,4cyclictest0-21swapper/107:32:301
23359940,3cyclictest0-21swapper/109:10:001
23359940,3cyclictest0-21swapper/107:35:161
23359940,2cyclictest0-21swapper/110:05:141
23359940,2cyclictest0-21swapper/109:45:281
23359940,2cyclictest0-21swapper/108:25:121
23359940,1cyclictest0-21swapper/110:35:111
23359940,1cyclictest0-21swapper/110:10:271
23359940,1cyclictest0-21swapper/109:35:171
23359940,1cyclictest0-21swapper/108:45:211
23359940,0cyclictest0-21swapper/108:37:001
23359940,0cyclictest0-21swapper/107:51:531
23359931,1cyclictest0-21swapper/108:50:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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