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2026-03-12 - 19:30
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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 Thu Mar 12, 2026 12:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
302712232157,23sleep00-21swapper/007:06:230
303502213150,23sleep20-21swapper/207:07:252
302202205150,22sleep10-21swapper/107:05:441
304062199160,25sleep30-21swapper/307:08:113
92012640,0sleep10-21swapper/107:30:121
98582590,0sleep10-21swapper/111:35:541
49952500,1sleep13064099cyclictest10:50:001
160662460,0sleep20-21swapper/211:45:122
30650991616,0cyclictest28-21ksoftirqd/211:04:042
30650991515,0cyclictest28-21ksoftirqd/212:06:362
30650991515,0cyclictest28-21ksoftirqd/211:54:352
30650991515,0cyclictest28-21ksoftirqd/210:57:172
30650991515,0cyclictest28-21ksoftirqd/210:57:172
30650991515,0cyclictest28-21ksoftirqd/210:48:392
30650991515,0cyclictest28-21ksoftirqd/210:21:202
30650991515,0cyclictest28-21ksoftirqd/210:02:252
30650991515,0cyclictest28-21ksoftirqd/209:59:382
30650991515,0cyclictest28-21ksoftirqd/209:31:262
30650991515,0cyclictest28-21ksoftirqd/209:18:312
30630991511,3cyclictest9-21ksoftirqd/010:15:000
30650991414,0cyclictest28-21ksoftirqd/212:29:392
30650991414,0cyclictest28-21ksoftirqd/212:21:042
30650991414,0cyclictest28-21ksoftirqd/211:43:572
30650991414,0cyclictest28-21ksoftirqd/211:37:542
30650991414,0cyclictest28-21ksoftirqd/210:42:402
30650991414,0cyclictest28-21ksoftirqd/210:35:272
30650991414,0cyclictest28-21ksoftirqd/210:29:162
30650991414,0cyclictest28-21ksoftirqd/210:09:502
30650991414,0cyclictest28-21ksoftirqd/209:35:252
30650991414,0cyclictest28-21ksoftirqd/209:29:482
30650991414,0cyclictest28-21ksoftirqd/209:22:062
30650991413,1cyclictest28-21ksoftirqd/211:30:322
30650991413,1cyclictest28-21ksoftirqd/209:52:102
3065099135,7cyclictest28-21ksoftirqd/211:05:402
30650991313,0cyclictest28-21ksoftirqd/212:33:312
30650991313,0cyclictest28-21ksoftirqd/210:19:282
30650991313,0cyclictest28-21ksoftirqd/209:48:062
30650991313,0cyclictest28-21ksoftirqd/209:43:262
30650991312,1cyclictest28-21ksoftirqd/211:56:002
30650991312,1cyclictest28-21ksoftirqd/210:31:392
30650991311,1cyclictest26466-21ntp_states08:05:182
30630991311,1cyclictest9-21ksoftirqd/008:15:000
3065099125,6cyclictest28-21ksoftirqd/210:52:082
30650991212,0cyclictest28-21ksoftirqd/212:01:592
30650991211,1cyclictest28-21ksoftirqd/212:38:242
30630991211,1cyclictest9-21ksoftirqd/010:20:000
30630991211,1cyclictest9-21ksoftirqd/009:19:590
30630991210,1cyclictest13210-21cron07:40:000
3065099119,2cyclictest28-21ksoftirqd/210:10:472
3065099114,6cyclictest28-21ksoftirqd/211:10:042
3065099113,8cyclictest28-21ksoftirqd/211:26:442
30650991111,0cyclictest28-21ksoftirqd/211:20:182
30650991111,0cyclictest28-21ksoftirqd/209:11:562
30650991111,0cyclictest28-21ksoftirqd/209:07:032
30650991110,1cyclictest28-21ksoftirqd/212:15:102
3063099119,1cyclictest9-21ksoftirqd/011:20:000
3063099119,1cyclictest9-21ksoftirqd/011:10:010
3063099119,1cyclictest9-21ksoftirqd/009:45:000
30630991110,1cyclictest9-21ksoftirqd/011:40:000
30630991110,1cyclictest9-21ksoftirqd/007:35:000
3063099111,5cyclictest25115-21latency_hist08:05:010
3065099108,1cyclictest7232-21apt-get08:35:112
3065099105,5cyclictest28-21ksoftirqd/212:10:122
3065099103,7cyclictest28-21ksoftirqd/207:21:322
3065099102,0cyclictest28-21ksoftirqd/211:15:422
3063099109,1cyclictest9-21ksoftirqd/012:25:000
3063099109,1cyclictest9-21ksoftirqd/010:25:000
3063099109,1cyclictest9-21ksoftirqd/009:15:000
3063099109,1cyclictest9-21ksoftirqd/008:00:010
3063099108,1cyclictest9-21ksoftirqd/011:35:000
3063099108,1cyclictest9-21ksoftirqd/009:35:120
3063099108,1cyclictest9-21ksoftirqd/008:25:000
3063099108,1cyclictest9-21ksoftirqd/007:15:020
30630991010,0cyclictest9-21ksoftirqd/011:55:010
3063099101,4cyclictest8513-21munin-run07:30:000
306589990,4cyclictest0-21swapper/310:00:103
306509999,0cyclictest28-21ksoftirqd/209:01:432
306509999,0cyclictest28-21ksoftirqd/207:35:192
306509999,0cyclictest28-21ksoftirqd/207:10:112
306509998,1cyclictest28-21ksoftirqd/208:55:012
306509998,1cyclictest28-21ksoftirqd/208:25:012
306509998,1cyclictest28-21ksoftirqd/208:20:102
306509997,1cyclictest28-21ksoftirqd/208:15:112
306509992,7cyclictest28-21ksoftirqd/208:49:202
306509992,7cyclictest28-21ksoftirqd/208:04:542
306509992,7cyclictest28-21ksoftirqd/207:50:142
306509992,0cyclictest28-21ksoftirqd/208:50:202
306509991,8cyclictest28-21ksoftirqd/208:12:092
306309998,1cyclictest9-21ksoftirqd/012:05:010
306309998,1cyclictest9-21ksoftirqd/011:20:130
306309997,1cyclictest9-21ksoftirqd/011:15:000
306309997,1cyclictest9-21ksoftirqd/009:50:130
306309997,1cyclictest9-21ksoftirqd/009:10:010
306309997,1cyclictest9-21ksoftirqd/009:00:000
306589983,3cyclictest561-21nscd10:54:473
306509980,8cyclictest28-21ksoftirqd/208:40:042
306509980,8cyclictest28-21ksoftirqd/207:55:102
306509980,8cyclictest28-21ksoftirqd/207:45:172
306509980,8cyclictest28-21ksoftirqd/207:40:102
306509980,8cyclictest28-21ksoftirqd/207:30:042
306509980,8cyclictest28-21ksoftirqd/207:25:172
306509980,8cyclictest28-21ksoftirqd/207:15:082
306509980,8cyclictest271rcuc/208:30:132
306409981,3cyclictest0-21swapper/112:30:111
306409980,8cyclictest0-21swapper/108:12:541
306309987,1cyclictest9-21ksoftirqd/011:45:000
306309987,1cyclictest9-21ksoftirqd/010:00:010
306309987,1cyclictest9-21ksoftirqd/008:30:000
306309987,1cyclictest9-21ksoftirqd/007:45:000
306309987,1cyclictest24290-21ssh12:36:300
306309986,1cyclictest9-21ksoftirqd/012:20:000
306309986,1cyclictest9-21ksoftirqd/012:05:130
306309986,1cyclictest9-21ksoftirqd/007:20:130
306309986,1cyclictest707-21snmpd07:52:200
306309981,6cyclictest8723-21kworker/0:111:00:180
306309981,1cyclictest25920-21apt-get10:35:110
306309980,7cyclictest32403-21ssh10:42:210
306309980,7cyclictest16753-21ssh12:27:040
306309980,4cyclictest19397-21/usr/sbin/munin09:45:140
306589977,0cyclictest0-21swapper/311:47:263
306589976,1cyclictest707-21snmpd12:12:053
306589976,1cyclictest707-21snmpd08:49:013
306589976,1cyclictest707-21snmpd08:10:333
306589976,1cyclictest35-21ksoftirqd/308:19:213
306589976,1cyclictest1982-21sendmail-mta08:06:043
306589975,1cyclictest707-21snmpd09:18:533
306589975,1cyclictest707-21snmpd07:47:113
306589975,1cyclictest35-21ksoftirqd/307:30:103
306589975,1cyclictest3161-21ssh11:28:393
306589975,1cyclictest11328-21ssh10:56:413
306589975,1cyclictest11328-21ssh10:56:403
306589972,1cyclictest23717-21diskmemload12:02:303
306589972,1cyclictest20146-21ssh12:30:503
306589970,3cyclictest19009-21perf09:00:003
306589970,2cyclictest0-21swapper/311:34:153
306589970,1cyclictest31419-21cat10:40:183
306589970,1cyclictest240-21systemd-journal10:29:553
306409971,6cyclictest0-21swapper/111:17:391
306409970,6cyclictest0-21swapper/108:20:141
306409970,4cyclictest0-21swapper/112:23:401
306409970,4cyclictest0-21swapper/111:48:541
306409970,4cyclictest0-21swapper/110:18:421
306409970,3cyclictest0-21swapper/111:30:101
306309976,1cyclictest9-21ksoftirqd/012:10:130
306309976,1cyclictest9-21ksoftirqd/011:29:590
306309976,1cyclictest9-21ksoftirqd/010:25:140
306309976,1cyclictest9-21ksoftirqd/009:25:130
306309976,1cyclictest9-21ksoftirqd/009:20:130
306309976,1cyclictest9-21ksoftirqd/009:00:190
306309976,1cyclictest9-21ksoftirqd/008:50:000
306309976,1cyclictest9-21ksoftirqd/008:05:130
306309976,1cyclictest707-21snmpd08:52:130
306309975,1cyclictest707-21snmpd08:38:160
306309971,6cyclictest957-21ssh10:01:170
306309970,6cyclictest5145-21ssh10:50:070
306309970,6cyclictest0-21swapper/012:00:010
306309970,6cyclictest0-21swapper/007:10:140
306309970,1cyclictest23498-21ssh10:30:200
306309970,1cyclictest19964-21ssh12:30:210
306589966,0cyclictest0-21swapper/312:15:393
306589966,0cyclictest0-21swapper/309:50:133
306589965,1cyclictest9760-21ssh11:35:393
306589965,1cyclictest8979-21ssh10:12:013
306589965,1cyclictest7550-21ntpq07:25:183
306589965,1cyclictest707-21snmpd07:18:143
306589965,1cyclictest707-21snmpd07:11:263
306589965,1cyclictest5633-21ssh10:08:233
306589965,1cyclictest3664-21ntpq08:25:183
306589965,1cyclictest3063-21ssh09:24:103
306589965,1cyclictest29854-21ssh09:57:153
306589965,1cyclictest27742-21ssh10:35:243
306589965,1cyclictest26032-21ssh09:11:163
306589965,1cyclictest22658-21ssh11:10:203
306589965,1cyclictest22015-21ssh10:30:083
306589965,1cyclictest21946-21ssh09:47:193
306589965,1cyclictest21644-21ssh11:51:193
306589965,1cyclictest15538-21ssh09:40:093
306589965,1cyclictest14365-21cat07:40:143
306589965,1cyclictest10570-21ssh09:32:543
306589965,1cyclictest10499-21cat08:40:153
306589965,1cyclictest0-21swapper/311:17:163
306589964,1cyclictest707-21snmpd08:34:283
306589964,1cyclictest1-21systemd12:21:073
306589964,0cyclictest23717-21diskmemload12:29:523
306589963,1cyclictest294-21systemd-udevd12:07:083
306589961,4cyclictest532-21munin-node08:35:373
306589961,3cyclictest22041-21apt-get12:35:103
306589961,1cyclictest23717-21diskmemload09:25:133
306589960,6cyclictest16569-21ssh10:21:343
306589960,6cyclictest0-21swapper/309:06:203
306589960,4cyclictest0-21swapper/311:42:253
306589960,4cyclictest0-21swapper/311:20:273
306589960,4cyclictest0-21swapper/311:06:323
306589960,3cyclictest0-21swapper/309:36:423
306589960,2cyclictest1-21systemd10:45:123
306589960,2cyclictest0-21swapper/310:15:413
306409963,1cyclictest0-21swapper/109:15:141
306409961,5cyclictest0-21swapper/109:35:051
306409960,6cyclictest0-21swapper/111:27:031
306409960,6cyclictest0-21swapper/108:50:401
306409960,6cyclictest0-21swapper/108:45:041
306409960,6cyclictest0-21swapper/107:53:571
306409960,6cyclictest0-21swapper/107:40:051
306409960,5cyclictest0-21swapper/111:05:151
306409960,5cyclictest0-21swapper/111:00:561
306409960,5cyclictest0-21swapper/109:41:511
306409960,5cyclictest0-21swapper/109:11:561
306409960,4cyclictest0-21swapper/107:10:111
306409960,3cyclictest0-21swapper/110:30:131
306409960,3cyclictest0-21swapper/110:00:101
306409960,2cyclictest0-21swapper/110:56:551
306409960,2cyclictest0-21swapper/110:56:541
306409960,2cyclictest0-21swapper/110:35:111
306409960,0cyclictest0-21swapper/112:07:391
306309966,0cyclictest3830-21ssh10:47:160
306309965,1cyclictest0-21swapper/008:16:130
306309964,1cyclictest9-21ksoftirqd/008:30:100
306309964,1cyclictest707-21snmpd09:30:050
306309964,1cyclictest10483-21cat08:40:150
306309960,6cyclictest1168-1kworker/u9:210:05:150
306309960,5cyclictest0-21swapper/011:45:010
306309960,5cyclictest0-21swapper/010:55:190
306309960,5cyclictest0-21swapper/010:55:190
306589954,1cyclictest707-21snmpd07:37:463
306589953,1cyclictest19245-21apt-get09:00:103
306589951,3cyclictest19955-21users07:50:203
306589951,3cyclictest0-21swapper/311:55:123
306589951,2cyclictest12957-21find11:00:013
306589950,4cyclictest20729-21head07:55:113
306409955,0cyclictest0-21swapper/112:25:341
306409955,0cyclictest0-21swapper/111:56:021
306409955,0cyclictest0-21swapper/111:52:031
306409955,0cyclictest0-21swapper/111:20:211
306409955,0cyclictest0-21swapper/109:26:571
306409955,0cyclictest0-21swapper/107:35:111
306409954,1cyclictest0-21swapper/110:21:041
306409953,1cyclictest28688-21chrt12:00:171
306409953,1cyclictest0-21swapper/112:35:101
306409951,1cyclictest0-21swapper/109:55:101
306409950,5cyclictest0-21swapper/110:50:431
306409950,5cyclictest0-21swapper/110:40:341
306409950,5cyclictest0-21swapper/109:54:461
306409950,5cyclictest0-21swapper/109:21:101
306409950,5cyclictest0-21swapper/109:09:581
306409950,5cyclictest0-21swapper/108:33:191
306409950,5cyclictest0-21swapper/108:08:271
306409950,5cyclictest0-21swapper/108:02:471
306409950,5cyclictest0-21swapper/107:18:011
306409950,4cyclictest0-21swapper/111:40:191
306409950,4cyclictest0-21swapper/110:13:521
306409950,4cyclictest0-21swapper/108:18:331
306409950,3cyclictest0-21swapper/109:32:031
306409950,3cyclictest0-21swapper/107:20:131
306409950,1cyclictest0-21swapper/109:46:291
306409950,1cyclictest0-21swapper/108:35:111
306309950,2cyclictest16316-21cat07:45:130
306589943,1cyclictest23855-21irqstats08:00:153
306589942,1cyclictest35-21ksoftirqd/308:22:203
306589941,2cyclictest0-21swapper/308:50:113
306589940,2cyclictest240-21systemd-journal07:25:003
306409941,2cyclictest0-21swapper/109:00:141
306409940,4cyclictest0-21swapper/108:27:091
306409940,4cyclictest0-21swapper/107:59:241
306409940,3cyclictest5477-21taskset12:13:071
306409940,3cyclictest0-21swapper/112:15:411
306409940,3cyclictest0-21swapper/110:05:161
306409940,3cyclictest0-21swapper/107:45:151
306409940,3cyclictest0-21swapper/107:25:191
306409940,2cyclictest0-21swapper/111:10:151
306409940,0cyclictest0-21swapper/110:26:301
306409940,0cyclictest0-21swapper/108:55:191
306409931,1cyclictest0-21swapper/108:40:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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