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2026-09-03 - 23:27
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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 376 highest latencies:
System rack1slot1.osadl.org (updated Thu Sep 03, 2026 12:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
287312216151,52sleep20-21swapper/207:09:202
285552214155,26sleep00-21swapper/007:07:000
287522209175,22sleep10-21swapper/107:09:341
286052204160,26sleep30-21swapper/307:07:393
46562630,0sleep30-21swapper/311:02:563
51432560,0sleep30-21swapper/310:16:143
130162170,0sleep10-21swapper/111:15:121
155432160,0sleep30-21swapper/307:45:203
28894991311,1cyclictest35-21ksoftirqd/307:40:003
28873991211,1cyclictest9-21ksoftirqd/010:20:000
28873991211,1cyclictest9-21ksoftirqd/009:40:010
2888499119,1cyclictest28-21ksoftirqd/211:10:122
28884991110,1cyclictest0-21swapper/209:35:132
2888499110,10cyclictest0-21swapper/209:55:202
2888499110,1cyclictest26591-21ssh12:20:132
2887999110,8cyclictest0-21swapper/111:30:151
2887999110,0cyclictest0-21swapper/111:45:411
2887399119,1cyclictest9-21ksoftirqd/008:50:000
2887399119,1cyclictest9-21ksoftirqd/008:30:010
2887399118,1cyclictest9-21ksoftirqd/009:10:000
28873991110,1cyclictest9-21ksoftirqd/007:45:000
2887399110,8cyclictest0-21swapper/007:35:110
2889499109,1cyclictest35-21ksoftirqd/309:30:013
2888499109,1cyclictest28-21ksoftirqd/211:35:012
2888499109,1cyclictest28-21ksoftirqd/211:30:002
2887399109,1cyclictest9-21ksoftirqd/012:15:000
2887399109,1cyclictest9-21ksoftirqd/011:20:000
2887399108,1cyclictest9-21ksoftirqd/009:50:160
2887399104,4cyclictest0-21swapper/010:08:220
2887399100,5cyclictest775-21munin-plugin-st11:45:000
32166297,1sleep228-21ksoftirqd/207:15:122
288949998,1cyclictest35-21ksoftirqd/312:20:003
288949998,1cyclictest35-21ksoftirqd/309:10:003
288949998,0cyclictest35-21ksoftirqd/310:05:123
288849999,0cyclictest0-21swapper/210:55:122
288849998,1cyclictest28-21ksoftirqd/212:15:122
288849998,1cyclictest28-21ksoftirqd/211:40:132
288849994,3cyclictest61650irq/122-eno112:01:102
288799991,7cyclictest6519-21taskset07:29:481
288799990,1cyclictest0-21swapper/107:40:111
288739998,1cyclictest9-21ksoftirqd/012:00:000
288739998,1cyclictest9-21ksoftirqd/010:25:000
288739998,1cyclictest9-21ksoftirqd/009:50:000
288739998,1cyclictest31189-21sh07:14:590
288739997,1cyclictest9-21ksoftirqd/008:25:000
288739992,6cyclictest561-21nscd10:40:510
288949988,0cyclictest35-21ksoftirqd/310:05:003
288949987,1cyclictest35-21ksoftirqd/312:31:523
288949987,1cyclictest35-21ksoftirqd/309:55:003
288949987,1cyclictest35-21ksoftirqd/309:20:173
288949986,1cyclictest11301-21snmpd10:54:243
288949986,1cyclictest11301-21snmpd08:57:093
288949986,1cyclictest11301-21snmpd08:28:083
288949986,1cyclictest11301-21snmpd08:03:273
288849988,0cyclictest28-21ksoftirqd/210:30:172
288849988,0cyclictest28-21ksoftirqd/210:30:172
288849988,0cyclictest20537-21apt-get10:40:102
288849987,1cyclictest28-21ksoftirqd/212:35:012
288849987,1cyclictest28-21ksoftirqd/211:47:332
288849987,1cyclictest28-21ksoftirqd/209:48:132
288849987,1cyclictest28-21ksoftirqd/209:30:172
288849986,1cyclictest61650irq/122-eno112:25:142
288849986,1cyclictest61650irq/122-eno110:37:422
288849986,1cyclictest61650irq/122-eno109:41:322
288849986,1cyclictest313-21gltestperf10:10:192
288849986,1cyclictest28-21ksoftirqd/207:45:132
288849986,1cyclictest23284-21perf08:05:002
288849986,1cyclictest11301-21snmpd09:17:192
288849980,7cyclictest21740-21diskmemload11:55:122
288799980,6cyclictest0-21swapper/109:05:131
288799980,4cyclictest0-21swapper/110:45:121
288739987,1cyclictest9-21ksoftirqd/007:55:000
288739986,1cyclictest23621-21ssh09:56:560
288739981,6cyclictest21740-21diskmemload12:35:270
288739981,5cyclictest0-21swapper/009:45:000
288739981,1cyclictest26378-21ssh10:47:130
288739980,7cyclictest3169-21ssh11:45:450
288739980,7cyclictest30518-21ssh10:54:190
288949976,1cyclictest35-21ksoftirqd/311:15:013
288949976,1cyclictest35-21ksoftirqd/308:20:003
288949976,1cyclictest11301-21snmpd08:50:273
288949975,1cyclictest26541-21diskmemload10:47:453
288949975,1cyclictest26305-21cat09:15:153
288949975,1cyclictest11301-21snmpd12:20:573
288949975,1cyclictest11301-21snmpd12:05:143
288949975,1cyclictest11301-21snmpd11:51:173
288949975,1cyclictest11301-21snmpd08:24:503
288949970,6cyclictest0-21swapper/312:03:153
288949970,4cyclictest0-21swapper/311:25:113
288949970,3cyclictest0-21swapper/312:26:233
288949970,0cyclictest0-21swapper/311:42:533
288849977,0cyclictest28-21ksoftirqd/212:30:162
288849977,0cyclictest28-21ksoftirqd/210:25:132
288849976,1cyclictest61650irq/122-eno111:15:562
288849976,1cyclictest61650irq/122-eno111:05:102
288849976,1cyclictest61650irq/122-eno110:16:452
288849976,1cyclictest61650irq/122-eno110:09:252
288849976,1cyclictest61650irq/122-eno109:26:002
288849976,1cyclictest11301-21snmpd09:00:422
288849976,0cyclictest28-21ksoftirqd/210:50:192
288849975,1cyclictest61650irq/122-eno112:10:162
288849975,1cyclictest61650irq/122-eno110:05:012
288849975,1cyclictest61650irq/122-eno109:10:142
288849975,1cyclictest61650irq/122-eno107:30:002
288849975,1cyclictest28-21ksoftirqd/208:49:082
288849975,1cyclictest11301-21snmpd08:28:232
288849974,1cyclictest240-21systemd-journal07:14:592
288849972,4cyclictest18135-21sort09:50:162
288849971,4cyclictest61650irq/122-eno111:21:042
288799972,2cyclictest0-21swapper/112:39:061
288799972,2cyclictest0-21swapper/110:40:321
288799970,6cyclictest0-21swapper/112:05:131
288799970,6cyclictest0-21swapper/109:53:201
288799970,4cyclictest0-21swapper/109:32:101
288799970,1cyclictest0-21swapper/112:34:511
288799970,1cyclictest0-21swapper/111:51:141
288799970,1cyclictest0-21swapper/107:59:561
288799970,0cyclictest0-21swapper/111:05:131
288739977,0cyclictest9-21ksoftirqd/011:30:180
288739976,1cyclictest8406-1kworker/u9:010:28:240
288739976,1cyclictest23323-21kernelversion12:15:150
288739976,1cyclictest11301-21snmpd07:18:130
288739971,6cyclictest9-21ksoftirqd/011:06:220
288739971,4cyclictest17038-21apt-get10:35:110
288739970,6cyclictest740-21cstates09:25:130
288739970,6cyclictest4325-21ssh11:01:520
288739970,6cyclictest30973-21ssh10:55:050
288739970,6cyclictest29670-21tune2fs09:20:150
288739970,6cyclictest28143-21ssh11:35:200
288739970,6cyclictest25886-21/usr/sbin/munin12:20:120
288739970,6cyclictest21740-21diskmemload10:30:160
288739970,6cyclictest21740-21diskmemload10:30:150
288739970,6cyclictest20183-21perl11:25:140
288739970,6cyclictest17239-21ssh11:20:170
288739970,6cyclictest1430-21ssh10:10:310
288739970,6cyclictest12532-21fschecks_count12:00:140
288739970,6cyclictest10943-21ssh11:10:380
288739970,6cyclictest0-21swapper/009:10:270
288739970,6cyclictest0-21swapper/008:35:130
288739970,6cyclictest0-21swapper/007:57:110
288739970,6cyclictest0-21swapper/007:30:000
288739970,1cyclictest31999-21ssh12:28:060
288739970,1cyclictest26948-21ssh10:01:240
288739970,1cyclictest2426-21ssh12:31:020
288739970,1cyclictest0-21swapper/009:33:250
288739970,1cyclictest0-21swapper/009:15:160
288739970,1cyclictest0-21swapper/008:50:200
288739970,1cyclictest0-21swapper/007:45:170
18624270,1sleep321740-21diskmemload10:35:213
32227260,1sleep10-21swapper/109:24:231
288949965,1cyclictest9891-21ssh09:37:383
288949965,1cyclictest3550-21ssh11:46:593
288949965,1cyclictest23495-21ssh09:56:313
288949965,1cyclictest16248-21ssh09:45:353
288949965,1cyclictest11301-21snmpd08:33:383
288949965,1cyclictest11301-21snmpd08:12:593
288949965,1cyclictest11301-21snmpd07:41:223
288949965,1cyclictest10330-21ssh11:56:243
288949964,1cyclictest23940-21cat11:30:193
288949964,1cyclictest11301-21snmpd08:46:453
288949964,1cyclictest11301-21snmpd07:20:103
288949962,3cyclictest23504-21/usr/sbin/munin08:05:203
288949961,3cyclictest21740-21diskmemload10:40:203
288949961,2cyclictest18273-21sh11:21:473
288949960,6cyclictest0-21swapper/311:35:033
288949960,6cyclictest0-21swapper/309:42:013
288949960,6cyclictest0-21swapper/309:30:183
288949960,5cyclictest11301-21snmpd10:20:123
288949960,4cyclictest0-21swapper/312:10:233
288949960,4cyclictest0-21swapper/310:56:423
288949960,3cyclictest0-21swapper/312:39:283
288949960,2cyclictest0-21swapper/310:26:243
288949960,0cyclictest0-21swapper/310:30:153
288949960,0cyclictest0-21swapper/310:30:153
288849966,0cyclictest61650irq/122-eno111:00:132
288849966,0cyclictest61650irq/122-eno110:45:142
288849966,0cyclictest61650irq/122-eno109:20:182
288849966,0cyclictest61650irq/122-eno108:57:242
288849966,0cyclictest61650irq/122-eno108:16:372
288849966,0cyclictest61650irq/122-eno108:10:162
288849966,0cyclictest61650irq/122-eno107:50:162
288849966,0cyclictest61650irq/122-eno107:35:112
288849966,0cyclictest61650irq/122-eno107:30:172
288849966,0cyclictest28-21ksoftirqd/208:40:132
288849965,1cyclictest61650irq/122-eno111:50:072
288849965,1cyclictest61650irq/122-eno111:35:132
288849965,1cyclictest61650irq/122-eno108:31:502
288849965,1cyclictest61650irq/122-eno107:55:182
288849965,1cyclictest28-21ksoftirqd/212:05:132
288849965,1cyclictest28-21ksoftirqd/208:25:002
288849965,1cyclictest12672-21ntpq07:40:172
288849964,1cyclictest61650irq/122-eno110:20:122
288849964,1cyclictest0-21swapper/208:50:212
288849961,4cyclictest19605-21apt-get09:05:132
288849960,5cyclictest0-21swapper/208:05:152
288849960,3cyclictest0-21swapper/207:20:102
288849960,1cyclictest0-21swapper/208:39:002
288799964,1cyclictest0-21swapper/110:00:131
288799961,4cyclictest0-21swapper/108:55:121
288799961,4cyclictest0-21swapper/107:15:101
288799961,2cyclictest0-21swapper/110:30:001
288799960,6cyclictest0-21swapper/112:17:391
288799960,6cyclictest0-21swapper/111:11:091
288799960,6cyclictest0-21swapper/110:11:531
288799960,6cyclictest0-21swapper/110:07:141
288799960,6cyclictest0-21swapper/107:49:101
288799960,6cyclictest0-21swapper/107:37:581
288799960,4cyclictest0-21swapper/110:33:461
288799960,4cyclictest0-21swapper/110:33:461
288799960,3cyclictest0-21swapper/112:00:111
288799960,3cyclictest0-21swapper/111:36:111
288799960,3cyclictest0-21swapper/109:44:591
288799960,2cyclictest0-21swapper/111:40:091
288799960,2cyclictest0-21swapper/110:57:191
288799960,2cyclictest0-21swapper/110:15:411
288799960,2cyclictest0-21swapper/109:55:121
288799960,2cyclictest0-21swapper/109:46:551
288799960,0cyclictest0-21swapper/109:28:111
288739965,1cyclictest9-21ksoftirqd/008:05:120
288739965,1cyclictest2908-21cut08:30:110
288739960,6cyclictest16501-21sshd08:56:250
288739960,6cyclictest0-21swapper/008:17:020
288739960,6cyclictest0-21swapper/008:03:340
288739960,5cyclictest4753-21ssh11:50:100
288739960,1cyclictest0-21swapper/008:40:160
288739960,0cyclictest0-21swapper/012:05:080
288739960,0cyclictest0-21swapper/009:00:170
288949954,1cyclictest1666-21ssh10:11:183
288949954,1cyclictest14482-21ssh11:15:503
288949954,1cyclictest11301-21snmpd09:03:333
288949953,1cyclictest22491-21df_inode09:10:133
288949950,5cyclictest0-21swapper/308:41:353
288949950,2cyclictest0-21swapper/311:06:183
288949950,2cyclictest0-21swapper/307:55:093
288799955,0cyclictest0-21swapper/111:01:291
288799952,3cyclictest209882sleep112:11:241
288799952,1cyclictest0-21swapper/109:15:161
288799952,1cyclictest0-21swapper/108:10:141
288799951,3cyclictest0-21swapper/108:25:111
288799950,5cyclictest0-21swapper/108:50:331
288799950,5cyclictest0-21swapper/108:35:081
288799950,5cyclictest0-21swapper/108:04:551
288799950,5cyclictest0-21swapper/107:21:341
288799950,4cyclictest0-21swapper/112:25:501
288799950,4cyclictest0-21swapper/110:35:121
288799950,3cyclictest0-21swapper/112:20:141
288799950,3cyclictest0-21swapper/111:22:061
288799950,3cyclictest0-21swapper/110:50:121
288799950,3cyclictest0-21swapper/110:20:011
288799950,2cyclictest0-21swapper/109:35:111
288799950,1cyclictest0-21swapper/111:25:121
288799950,1cyclictest0-21swapper/109:11:111
288799950,0cyclictest0-21swapper/111:57:331
288799950,0cyclictest0-21swapper/108:15:531
288739955,0cyclictest9-21ksoftirqd/007:30:130
288739950,5cyclictest0-21swapper/008:10:290
288739950,0cyclictest0-21swapper/007:20:210
288949943,1cyclictest31653-21munin-node07:15:013
288949943,1cyclictest11301-21snmpd07:10:363
288949942,1cyclictest17076-21cut07:50:153
288949942,1cyclictest0-21swapper/307:30:113
288949941,2cyclictest0-21swapper/308:35:133
288949940,1cyclictest4952-21/usr/sbin/munin07:25:163
288799944,0cyclictest0-21swapper/109:01:071
288799944,0cyclictest0-21swapper/107:50:381
288799941,1cyclictest0-21swapper/107:10:121
288799940,4cyclictest0-21swapper/107:34:001
288799940,3cyclictest4990-21taskset08:35:001
288799940,3cyclictest0-21swapper/108:05:121
288799940,2cyclictest0-21swapper/108:48:271
288799940,1cyclictest0-21swapper/108:20:201
288799931,1cyclictest0-21swapper/108:40:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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