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2026-09-07 - 15:15
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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 Mon Sep 07, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1060523540,4sleep30-21swapper/307:05:133
124092205171,22sleep10-21swapper/107:08:141
123932202162,26sleep20-21swapper/207:08:032
125202199159,25sleep00-21swapper/007:09:420
255042510,1sleep21263999cyclictest09:35:212
278292170,0sleep00-21swapper/007:40:130
1262399140,2cyclictest20370-21munin-run07:25:000
1263199130,12cyclictest0-21swapper/112:20:111
1262399132,5cyclictest0-21swapper/011:14:590
12639991211,1cyclictest28-21ksoftirqd/212:35:162
12639991211,1cyclictest28-21ksoftirqd/211:35:172
12639991211,1cyclictest28-21ksoftirqd/210:00:212
12639991211,1cyclictest28-21ksoftirqd/210:00:202
12639991210,1cyclictest28-21ksoftirqd/209:55:002
1262399121,10cyclictest26296-21perf10:25:000
1262399120,4cyclictest4223-21/usr/sbin/munin11:25:130
1263999119,1cyclictest28-21ksoftirqd/211:55:152
1263999119,1cyclictest28-21ksoftirqd/209:40:162
12639991110,1cyclictest28-21ksoftirqd/212:25:162
12639991110,1cyclictest28-21ksoftirqd/211:25:112
12639991110,1cyclictest28-21ksoftirqd/210:45:182
12639991110,1cyclictest28-21ksoftirqd/209:45:102
12639991110,1cyclictest28-21ksoftirqd/209:25:132
1263999110,10cyclictest0-21swapper/210:35:212
1262399115,5cyclictest11301-21snmpd10:01:080
1262399115,5cyclictest11301-21snmpd10:01:080
1264899108,1cyclictest21880-21ssh10:17:133
1264899100,8cyclictest18859-21apt-get08:30:113
1264899100,5cyclictest27686-21apt-get07:40:113
1263999109,1cyclictest28-21ksoftirqd/212:05:162
1263999109,1cyclictest28-21ksoftirqd/211:50:192
1263999109,1cyclictest28-21ksoftirqd/210:05:202
1263999109,1cyclictest28-21ksoftirqd/209:10:152
1263999109,0cyclictest28-21ksoftirqd/209:55:122
1263999108,1cyclictest28-21ksoftirqd/210:25:112
1263999108,1cyclictest28-21ksoftirqd/209:20:152
1263999108,1cyclictest28-21ksoftirqd/209:15:182
1263999108,1cyclictest28-21ksoftirqd/208:40:152
1263999108,1cyclictest28-21ksoftirqd/208:05:002
1262399106,4cyclictest5475-21diskmemload09:55:110
1262399105,4cyclictest11301-21snmpd11:17:490
1262399101,3cyclictest30968-21apt-key08:55:000
1262399100,9cyclictest5264-21munin-run09:55:000
1262399100,9cyclictest0-21swapper/010:11:170
1262399100,9cyclictest0-21swapper/009:25:150
1262399100,2cyclictest240-21systemd-journal12:09:590
1262399100,2cyclictest240-21systemd-journal08:45:000
1262399100,0cyclictest5475-21diskmemload12:36:370
1262399100,0cyclictest0-21swapper/012:18:080
1262399100,0cyclictest0-21swapper/012:18:080
126489997,1cyclictest35-21ksoftirqd/308:57:213
126489990,5cyclictest0-21swapper/310:10:133
126399999,0cyclictest28-21ksoftirqd/212:30:132
126399999,0cyclictest28-21ksoftirqd/210:41:412
126399998,1cyclictest28-21ksoftirqd/212:16:452
126399998,1cyclictest28-21ksoftirqd/212:16:452
126399998,1cyclictest28-21ksoftirqd/212:15:002
126399998,1cyclictest28-21ksoftirqd/209:34:382
126399998,1cyclictest28-21ksoftirqd/209:05:142
126399998,0cyclictest28-21ksoftirqd/212:20:152
126399997,1cyclictest28-21ksoftirqd/210:20:152
126239993,1cyclictest1018-21sort07:50:170
126239991,1cyclictest0-21swapper/011:40:000
126239990,4cyclictest30118-21sed12:00:200
126239990,4cyclictest22924-21ssh11:05:140
126239990,4cyclictest0-21swapper/010:08:240
126239990,2cyclictest240-21systemd-journal08:35:010
126239990,2cyclictest0-21swapper/009:16:240
126239990,1cyclictest548-21systemd-logind07:15:000
126239990,1cyclictest240-21systemd-journal11:50:000
126239990,1cyclictest240-21systemd-journal10:50:000
126239990,1cyclictest240-21systemd-journal08:20:000
126239990,1cyclictest240-21systemd-journal08:15:000
126239990,1cyclictest240-21systemd-journal07:35:010
126239990,1cyclictest240-21systemd-journal07:30:010
126239990,1cyclictest16506-21/usr/sbin/munin08:25:190
126239990,0cyclictest2968-21ssh11:21:510
126239990,0cyclictest0-21swapper/010:42:480
126239990,0cyclictest0-21swapper/010:19:160
126239990,0cyclictest0-21swapper/009:35:240
126489986,1cyclictest11301-21snmpd10:50:363
126489986,1cyclictest11301-21snmpd09:37:323
126489986,1cyclictest11301-21snmpd08:11:203
126489986,1cyclictest11301-21snmpd07:59:383
126489980,4cyclictest557-21irqbalance11:06:473
126489980,4cyclictest0-21swapper/309:46:013
126489980,4cyclictest0-21swapper/309:10:443
126399988,0cyclictest28-21ksoftirqd/210:50:212
126399988,0cyclictest28-21ksoftirqd/210:10:192
126399987,1cyclictest28-21ksoftirqd/211:30:172
126399987,1cyclictest28-21ksoftirqd/210:15:182
126399987,1cyclictest28-21ksoftirqd/209:00:132
126399987,1cyclictest28-21ksoftirqd/208:46:222
126399987,1cyclictest28-21ksoftirqd/208:05:122
126399986,1cyclictest28-21ksoftirqd/211:40:162
126399986,1cyclictest28-21ksoftirqd/208:35:012
126399986,1cyclictest11301-21snmpd11:46:052
126399986,1cyclictest11301-21snmpd10:55:132
126399980,2cyclictest0-21swapper/207:50:122
126239987,1cyclictest18359-21ssh10:58:570
126239986,1cyclictest11301-21snmpd09:10:160
126239986,1cyclictest11301-21snmpd09:09:480
126239986,1cyclictest11301-21snmpd08:05:210
126239985,0cyclictest3929-1kworker/u9:111:32:030
126239984,2cyclictest548-21systemd-logind07:15:190
126239984,1cyclictest30954-21ssh09:45:050
126239984,1cyclictest240-21systemd-journal10:29:590
126239983,1cyclictest25893-21cut07:35:130
126239983,1cyclictest16117-21ssh12:26:540
126239983,1cyclictest11301-21snmpd12:33:420
126239982,1cyclictest20873-21expr09:30:130
126239982,1cyclictest2038-21grep10:35:150
126239981,6cyclictest15223-21ssh11:40:140
126239981,0cyclictest0-21swapper/007:45:120
126239980,5cyclictest7511-1kworker/u9:210:52:250
126239980,5cyclictest3234-21ssh12:10:120
126239980,5cyclictest20085-1kworker/u9:111:53:440
126239980,5cyclictest0-21swapper/010:30:080
126239980,4cyclictest20992-21ssh11:01:050
126239980,2cyclictest240-21systemd-journal09:05:000
126239980,1cyclictest240-21systemd-journal09:45:000
126239980,1cyclictest240-21systemd-journal08:50:000
126239980,1cyclictest240-21systemd-journal08:40:000
126239980,1cyclictest0-21swapper/008:50:170
126489976,1cyclictest3481-21sensors09:50:213
126489975,1cyclictest35-21ksoftirqd/308:10:003
126489975,1cyclictest11301-21snmpd12:21:453
126489975,1cyclictest11301-21snmpd10:37:213
126489975,1cyclictest11301-21snmpd10:32:203
126489975,1cyclictest11301-21snmpd10:00:293
126489975,1cyclictest11301-21snmpd10:00:283
126489975,1cyclictest11301-21snmpd09:29:283
126489975,1cyclictest11301-21snmpd08:29:353
126489973,2cyclictest5475-21diskmemload11:54:213
126489970,4cyclictest0-21swapper/312:19:403
126489970,4cyclictest0-21swapper/312:19:403
126489970,4cyclictest0-21swapper/309:59:233
126489970,3cyclictest12836-21apt-get07:10:123
126489970,2cyclictest0-21swapper/312:12:123
126489970,2cyclictest0-21swapper/312:03:453
126489970,2cyclictest0-21swapper/311:14:483
126399976,1cyclictest61650irq/122-eno111:20:102
126399976,1cyclictest61650irq/122-eno108:20:162
126399976,1cyclictest61650irq/122-eno108:15:112
126399976,1cyclictest28-21ksoftirqd/211:10:152
126399976,1cyclictest28-21ksoftirqd/210:30:192
126399976,1cyclictest28-21ksoftirqd/208:55:192
126399975,1cyclictest28-21ksoftirqd/211:15:202
126399975,1cyclictest28-21ksoftirqd/208:25:152
126399975,1cyclictest25565-21ssh11:09:002
126399975,1cyclictest20142-21ntpq11:00:172
126319971,6cyclictest0-21swapper/111:50:391
126319970,6cyclictest0-21swapper/107:20:101
126319970,1cyclictest0-21swapper/111:04:131
126239976,1cyclictest5594-21cat08:00:140
126239976,1cyclictest15763-21ssh09:22:380
126239971,5cyclictest25146-21ssh11:55:120
126239970,6cyclictest16134-21chrt08:23:210
126239970,1cyclictest13036-21ssh12:23:120
12202270,2sleep121-21ksoftirqd/111:35:151
126489965,1cyclictest32624-21ssh11:19:193
126489965,1cyclictest26469-21ssh10:25:013
126489965,1cyclictest22637-21ssh12:35:273
126489965,1cyclictest21584-21ssh11:03:033
126489965,1cyclictest20547-21ssh11:47:153
126489965,1cyclictest20087-21ssh12:33:313
126489965,1cyclictest12665-21cat08:15:163
126489965,1cyclictest11301-21snmpd09:16:103
126489964,1cyclictest4702-21apt-get08:00:103
126489964,1cyclictest35-21ksoftirqd/308:49:213
126489964,1cyclictest16389-21df_inode07:15:143
126489964,1cyclictest14152-21apt-get08:20:113
126489964,1cyclictest11301-21snmpd10:20:093
126489964,1cyclictest11301-21snmpd10:07:413
126489964,1cyclictest11301-21snmpd08:51:403
126489964,1cyclictest11301-21snmpd07:25:113
126489963,1cyclictest8550-21hwlatdetect11:30:143
126489963,1cyclictest240-21systemd-journal09:10:003
126489962,3cyclictest27255-21sh11:56:253
126489962,2cyclictest5475-21diskmemload11:40:153
126489962,1cyclictest16613-21ntpq10:55:173
126489961,3cyclictest5475-21diskmemload09:40:213
126489960,5cyclictest4231-21ssh11:25:113
126489960,4cyclictest0-21swapper/310:40:123
126489960,3cyclictest0-21swapper/309:31:563
126489960,1cyclictest0-21swapper/309:20:223
126399966,0cyclictest61650irq/122-eno108:35:072
126399966,0cyclictest61650irq/122-eno107:30:192
126399966,0cyclictest28-21ksoftirqd/212:02:142
126399966,0cyclictest0-21swapper/207:19:562
126399965,1cyclictest28845-21ntpq07:40:172
126399964,1cyclictest28-21ksoftirqd/208:50:142
126399964,1cyclictest28-21ksoftirqd/208:10:132
126399964,1cyclictest28-21ksoftirqd/207:55:202
126399964,1cyclictest28-21ksoftirqd/207:10:152
126399963,2cyclictest18520-21tr07:20:142
126399960,6cyclictest0-21swapper/207:36:232
126399960,6cyclictest0-21swapper/207:25:072
126319962,1cyclictest0-21swapper/109:55:161
126319961,3cyclictest7802-21chrt10:44:241
126319961,3cyclictest0-21swapper/110:35:201
126319960,6cyclictest0-21swapper/112:10:071
126319960,6cyclictest0-21swapper/110:50:191
126319960,6cyclictest0-21swapper/110:11:051
126319960,6cyclictest0-21swapper/110:06:241
126319960,6cyclictest0-21swapper/109:43:281
126319960,6cyclictest0-21swapper/108:54:461
126319960,6cyclictest0-21swapper/107:10:201
126319960,5cyclictest0-21swapper/112:30:181
126319960,5cyclictest0-21swapper/112:27:321
126319960,5cyclictest0-21swapper/111:10:161
126319960,5cyclictest0-21swapper/110:18:031
126319960,4cyclictest0-21swapper/109:25:001
126319960,3cyclictest0-21swapper/109:26:581
126319960,3cyclictest0-21swapper/109:16:171
126319960,2cyclictest0-21swapper/112:35:111
126319960,1cyclictest0-21swapper/112:19:391
126319960,1cyclictest0-21swapper/112:19:391
126319960,1cyclictest0-21swapper/111:30:151
126319960,1cyclictest0-21swapper/111:25:111
126319960,1cyclictest0-21swapper/110:59:201
126319960,1cyclictest0-21swapper/107:50:161
126319960,1cyclictest0-21swapper/107:37:591
126319960,0cyclictest0-21swapper/111:08:391
126319960,0cyclictest0-21swapper/108:16:241
126489954,1cyclictest15098-21ssh12:25:203
126489954,1cyclictest11301-21snmpd07:20:473
126489953,1cyclictest999-21apt-get09:00:113
126489953,1cyclictest32649-21df_inode12:05:153
126489951,2cyclictest5475-21diskmemload11:20:363
126489951,1cyclictest0-21swapper/308:35:133
126489950,5cyclictest0-21swapper/307:52:303
126489950,5cyclictest0-21swapper/307:37:173
126489950,3cyclictest11192-21apt-get11:35:113
126489950,2cyclictest30041-21apt-get07:45:113
126489950,2cyclictest0-21swapper/310:45:023
126399951,2cyclictest30249-21egrep07:45:132
126319955,0cyclictest0-21swapper/109:52:061
126319951,1cyclictest0-21swapper/110:00:231
126319951,1cyclictest0-21swapper/110:00:231
126319951,0cyclictest0-21swapper/108:40:011
126319950,5cyclictest0-21swapper/109:03:401
126319950,5cyclictest0-21swapper/108:25:191
126319950,4cyclictest0-21swapper/108:14:001
126319950,4cyclictest0-21swapper/107:35:011
126319950,3cyclictest0-21swapper/112:06:461
126319950,3cyclictest0-21swapper/112:00:131
126319950,3cyclictest0-21swapper/109:37:571
126319950,2cyclictest0-21swapper/111:15:201
126319950,2cyclictest0-21swapper/110:48:081
126319950,2cyclictest0-21swapper/110:30:531
126319950,2cyclictest0-21swapper/110:25:091
126319950,1cyclictest0-21swapper/111:55:151
126319950,1cyclictest0-21swapper/111:45:141
126319950,1cyclictest0-21swapper/111:40:501
126319950,1cyclictest0-21swapper/111:21:391
126319950,1cyclictest0-21swapper/110:20:401
126319950,1cyclictest0-21swapper/109:30:131
126319950,1cyclictest0-21swapper/109:12:571
126319950,1cyclictest0-21swapper/108:30:181
126239950,4cyclictest2328-21/usr/sbin/munin07:55:190
126489940,3cyclictest0-21swapper/307:30:103
126489940,2cyclictest0-21swapper/308:40:163
126319944,0cyclictest0-21swapper/107:41:411
126319941,2cyclictest0-21swapper/109:05:181
126319940,4cyclictest0-21swapper/109:00:001
126319940,4cyclictest0-21swapper/108:35:191
126319940,4cyclictest0-21swapper/108:23:541
126319940,4cyclictest0-21swapper/108:10:001
126319940,4cyclictest0-21swapper/108:02:551
126319940,4cyclictest0-21swapper/107:16:571
126319940,1cyclictest0-21swapper/109:45:481
126319940,1cyclictest0-21swapper/108:45:141
126319940,1cyclictest0-21swapper/107:25:171
126319940,0cyclictest0-21swapper/107:45:191
126319930,2cyclictest0-21swapper/107:55:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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