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2026-07-26 - 00:38
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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 all highest latencies:
System rack1slot1.osadl.org (updated Sat Jul 25, 2026 12:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
158292216161,44sleep00-21swapper/007:06:230
161252204164,26sleep20-21swapper/207:09:392
161162200160,26sleep30-21swapper/307:09:323
158522199162,24sleep10-21swapper/107:06:411
165922600,0sleep10-21swapper/110:05:151
318482200,0sleep30-21swapper/311:57:163
1624899130,12cyclictest111rcu_preempt08:20:191
235542120,0sleep10-21swapper/112:30:221
1624899128,4cyclictest56-21kworker/1:109:05:301
16257991110,1cyclictest17087-21systemctl10:50:232
1624899106,4cyclictest56-21kworker/1:111:53:261
1624899106,4cyclictest56-21kworker/1:110:23:541
1624899106,4cyclictest21-21ksoftirqd/111:31:021
1624899106,4cyclictest111rcu_preempt11:19:501
1623799108,1cyclictest9-21ksoftirqd/009:00:000
1623799108,1cyclictest9-21ksoftirqd/008:10:000
162659991,7cyclictest31412-1kworker/u9:212:26:283
162659990,1cyclictest0-21swapper/309:38:283
162579999,0cyclictest61650irq/122-eno110:06:282
162579991,5cyclictest29931-21/usr/sbin/munin11:10:152
162579990,7cyclictest9487-21kworker/u8:009:16:042
162579990,7cyclictest61650irq/122-eno112:06:352
162579990,1cyclictest0-21swapper/211:00:132
162489999,0cyclictest21-21ksoftirqd/110:53:341
162489995,4cyclictest56-21kworker/1:111:42:141
162489995,4cyclictest21-21ksoftirqd/110:46:151
162489995,0cyclictest111rcu_preempt10:12:431
162489991,4cyclictest56-21kworker/1:112:27:021
162489990,0cyclictest0-21swapper/110:40:221
162379992,6cyclictest31055-21pmu-power11:10:210
162379991,1cyclictest0-21swapper/009:55:230
8277280,1sleep20-21swapper/209:53:152
26362280,0sleep10-21swapper/110:19:021
162659986,1cyclictest28751-21perf12:40:003
162659986,1cyclictest1747-21ntpd10:00:583
162659986,1cyclictest11301-21snmpd11:06:103
162659986,1cyclictest11301-21snmpd10:53:003
162659986,1cyclictest11301-21snmpd09:23:323
162659986,1cyclictest11301-21snmpd08:52:523
162659986,1cyclictest11301-21snmpd08:24:243
162659981,6cyclictest0-21swapper/310:55:133
162659980,5cyclictest9092-21diskmemload09:10:543
162659980,5cyclictest26355-21awk07:30:013
162579987,1cyclictest28-21ksoftirqd/207:15:002
162579986,1cyclictest61650irq/122-eno112:40:012
162579986,1cyclictest61650irq/122-eno112:00:162
162579986,1cyclictest61650irq/122-eno109:46:442
162579986,1cyclictest61650irq/122-eno107:59:592
162579986,1cyclictest30375-21cat11:55:162
162579986,1cyclictest28-21ksoftirqd/212:25:022
162579986,1cyclictest11301-21snmpd10:18:462
162579985,1cyclictest0-21swapper/209:30:372
162579981,4cyclictest9092-21diskmemload10:55:132
162579981,1cyclictest0-21swapper/207:42:252
162579980,6cyclictest0-21swapper/210:00:162
162579980,3cyclictest0-21swapper/208:05:162
162579980,3cyclictest0-21swapper/207:20:122
162489988,0cyclictest21-21ksoftirqd/109:18:221
162489984,4cyclictest21-21ksoftirqd/110:57:271
162489984,4cyclictest21-21ksoftirqd/107:35:581
162489984,4cyclictest0-21swapper/110:01:281
162489984,4cyclictest0-21swapper/109:39:061
162489984,0cyclictest0-21swapper/110:35:061
162489980,8cyclictest0-21swapper/110:30:011
162489980,5cyclictest56-21kworker/1:108:43:451
162379986,1cyclictest11301-21snmpd12:31:210
162379986,1cyclictest11301-21snmpd09:42:000
162379980,7cyclictest8954-21missed_timers11:25:150
162379980,7cyclictest16428-21date09:20:010
162379980,1cyclictest26962-21ssh10:20:090
162659976,1cyclictest35-21ksoftirqd/308:45:113
162659976,1cyclictest11301-21snmpd12:21:293
162659976,1cyclictest11301-21snmpd08:18:453
162659975,1cyclictest2109-21cat07:45:173
162659975,1cyclictest11301-21snmpd11:46:493
162659975,1cyclictest11301-21snmpd10:26:013
162659975,1cyclictest11301-21snmpd09:02:493
162659975,1cyclictest11301-21snmpd07:58:473
162659975,1cyclictest11301-21snmpd07:23:313
162659975,1cyclictest0-21swapper/311:30:153
162659973,1cyclictest240-21systemd-journal09:20:003
162659970,6cyclictest24572-21ssh11:00:303
162659970,5cyclictest0-21swapper/311:36:483
162659970,5cyclictest0-21swapper/310:39:393
162659970,4cyclictest28929-21apt-get07:35:123
162659970,4cyclictest0-21swapper/312:30:093
162659970,4cyclictest0-21swapper/310:34:303
162659970,4cyclictest0-21swapper/310:24:093
162659970,4cyclictest0-21swapper/309:42:143
162659970,1cyclictest0-21swapper/311:10:103
162579976,1cyclictest61650irq/122-eno112:30:212
162579976,1cyclictest61650irq/122-eno112:12:332
162579976,1cyclictest61650irq/122-eno111:50:232
162579976,1cyclictest61650irq/122-eno111:17:302
162579976,1cyclictest61650irq/122-eno110:30:092
162579976,1cyclictest61650irq/122-eno109:25:142
162579976,1cyclictest61650irq/122-eno109:20:432
162579975,1cyclictest61650irq/122-eno110:20:182
162579975,1cyclictest14905-21ssh12:20:142
162579975,1cyclictest13091-21cat10:45:182
162579975,1cyclictest11301-21snmpd11:44:252
162579975,1cyclictest11301-21snmpd07:39:292
162579973,1cyclictest548-21systemd-logind08:35:212
162579972,3cyclictest693-21runrttasks10:40:352
162579972,2cyclictest7929-21apt-get11:25:102
162579971,6cyclictest0-21swapper/208:15:392
162579970,6cyclictest0-21swapper/207:33:312
162579970,4cyclictest0-21swapper/211:39:092
162579970,3cyclictest0-21swapper/211:31:012
162579970,0cyclictest0-21swapper/211:20:002
162489977,0cyclictest21-21ksoftirqd/112:02:071
162489977,0cyclictest0-21swapper/109:34:551
162489974,3cyclictest0-21swapper/109:50:181
162489974,0cyclictest0-21swapper/109:27:551
162489972,2cyclictest111rcu_preempt07:45:141
162489971,6cyclictest0-21swapper/109:40:071
162489970,7cyclictest0-21swapper/111:14:401
162489970,7cyclictest0-21swapper/108:45:201
162489970,7cyclictest0-21swapper/107:30:121
162489970,7cyclictest0-21swapper/107:15:161
162489970,4cyclictest0-21swapper/109:55:171
162489970,1cyclictest0-21swapper/109:02:111
162379976,1cyclictest23940-21ssh11:00:200
162379976,1cyclictest11301-21snmpd09:01:550
162379976,0cyclictest9092-21diskmemload10:46:100
162379975,1cyclictest11301-21snmpd09:15:140
162379975,1cyclictest11301-21snmpd09:08:290
162379975,1cyclictest11301-21snmpd08:27:540
162379974,0cyclictest0-21swapper/011:33:250
162379971,1cyclictest27999-21ssh12:37:440
162379970,6cyclictest9092-21diskmemload09:36:140
162379970,6cyclictest8113-21ssh10:39:170
162379970,6cyclictest4084-21taskset10:32:380
162379970,6cyclictest22968-21apt-get10:15:010
162379970,6cyclictest21720-21latency_hist07:20:000
162379970,6cyclictest20352-21cat08:25:000
162379970,6cyclictest18958-21ssh12:25:150
162379970,6cyclictest18077-21unixbench_multi07:10:220
162379970,6cyclictest15741-21smartctl12:20:190
162379970,6cyclictest0-21swapper/012:10:150
162379970,6cyclictest0-21swapper/009:10:160
162379970,6cyclictest0-21swapper/008:45:130
162379970,5cyclictest11301-21snmpd10:58:030
162379970,1cyclictest9092-21diskmemload11:20:510
162379970,1cyclictest8581-21ssh09:54:140
162379970,1cyclictest7747-1kworker/u9:110:42:240
162379970,1cyclictest4335-21apt-get12:05:150
162379970,1cyclictest31336-21ssh11:55:380
162379970,1cyclictest26388-21ntp_states08:35:200
162379970,1cyclictest19668-21ssh10:10:020
162379970,1cyclictest16526-21hddtemp_smartct10:50:190
162379970,1cyclictest0-21swapper/012:00:140
162379970,1cyclictest0-21swapper/011:45:240
162379970,1cyclictest0-21swapper/010:25:070
162379970,1cyclictest0-21swapper/009:45:140
162379970,1cyclictest0-21swapper/008:30:130
21102260,0sleep20-21swapper/210:10:212
162659966,0cyclictest18813-21sensors07:15:003
162659965,1cyclictest6780-21ssh09:50:213
162659965,1cyclictest5566-21ssh11:20:183
162659965,1cyclictest3320-21ssh11:17:293
162659965,1cyclictest24594-21ntpq10:15:173
162659965,1cyclictest16144-21ssh10:05:043
162659965,1cyclictest14518-21ssh12:19:463
162659965,1cyclictest11301-21snmpd07:13:313
162659964,1cyclictest9560-21cat10:40:173
162659964,1cyclictest6549-21ssh12:06:463
162659964,1cyclictest4309-21ssh09:46:483
162659964,1cyclictest12185-21apt-get10:45:133
162659964,1cyclictest11301-21snmpd11:28:013
162659964,1cyclictest11301-21snmpd08:39:033
162659964,1cyclictest11301-21snmpd07:32:313
162659962,3cyclictest5698-21sh07:55:003
162659962,1cyclictest9092-21diskmemload09:59:543
162659961,4cyclictest11404-21grep08:05:173
162659961,3cyclictest9092-21diskmemload11:53:503
162659961,2cyclictest21693-21taskset10:10:583
162659960,1cyclictest1815-21memory12:00:163
162659960,1cyclictest0-21swapper/309:30:133
162579966,0cyclictest61650irq/122-eno111:45:232
162579966,0cyclictest61650irq/122-eno110:26:462
162579966,0cyclictest61650irq/122-eno109:35:462
162579966,0cyclictest61650irq/122-eno109:10:142
162579966,0cyclictest61650irq/122-eno108:45:142
162579966,0cyclictest61650irq/122-eno108:25:132
162579966,0cyclictest61650irq/122-eno108:10:202
162579966,0cyclictest61650irq/122-eno108:03:002
162579966,0cyclictest61650irq/122-eno107:18:462
162579965,1cyclictest61650irq/122-eno111:05:392
162579965,1cyclictest61650irq/122-eno109:05:162
162579965,1cyclictest61650irq/122-eno109:00:142
162579965,1cyclictest5125-21apt10:35:132
162579965,1cyclictest4722-21ntpq07:50:172
162579964,1cyclictest61650irq/122-eno109:40:122
162579964,1cyclictest583-21in:imuxsock08:55:002
162579964,1cyclictest18171-21dpkg08:20:132
162579962,3cyclictest9282-21aten_r1power_vo09:55:142
162579961,0cyclictest11352-21apt-get12:15:112
162579960,5cyclictest0-21swapper/208:40:162
162579960,5cyclictest0-21swapper/207:27:372
162579960,1cyclictest0-21swapper/208:55:552
162579960,0cyclictest0-21swapper/208:30:132
162489966,0cyclictest21-21ksoftirqd/112:06:521
162489966,0cyclictest21-21ksoftirqd/111:25:201
162489966,0cyclictest21-21ksoftirqd/111:23:101
162489966,0cyclictest21-21ksoftirqd/107:13:381
162489965,1cyclictest21-21ksoftirqd/112:10:171
162489965,1cyclictest21-21ksoftirqd/109:49:341
162489965,1cyclictest21-21ksoftirqd/108:50:231
162489960,6cyclictest0-21swapper/112:38:571
162489960,6cyclictest0-21swapper/112:23:111
162489960,6cyclictest0-21swapper/112:15:151
162489960,6cyclictest0-21swapper/111:48:401
162489960,6cyclictest0-21swapper/111:38:331
162489960,6cyclictest0-21swapper/111:07:251
162489960,6cyclictest0-21swapper/109:12:231
162489960,6cyclictest0-21swapper/108:13:121
162489960,6cyclictest0-21swapper/107:25:281
162489960,5cyclictest0-21swapper/111:56:431
162489960,5cyclictest0-21swapper/108:35:171
162489960,3cyclictest21-21ksoftirqd/108:15:121
162489960,1cyclictest0-21swapper/108:04:551
162379965,1cyclictest27716-21ssh11:50:590
162379965,1cyclictest11301-21snmpd07:32:220
162379964,0cyclictest9092-21diskmemload10:05:070
162379963,2cyclictest26259-21ssh11:05:100
162379963,2cyclictest15116-21ssh11:35:040
162379960,6cyclictest22001-21ssh09:25:310
162379960,6cyclictest0-21swapper/012:15:180
162379960,6cyclictest0-21swapper/011:40:140
162379960,6cyclictest0-21swapper/008:10:010
162379960,6cyclictest0-21swapper/008:03:340
162379960,5cyclictest14443-21users10:00:240
162379960,4cyclictest0-21swapper/007:20:120
162379960,1cyclictest874-21ssh11:15:120
162379960,1cyclictest347-21df_inode08:50:160
162379960,1cyclictest2879-21unixbench_multi07:45:220
162379960,1cyclictest23856-21ssh09:30:110
162379960,1cyclictest0-21swapper/007:35:120
162379960,0cyclictest0-21swapper/008:17:440
162379960,0cyclictest0-21swapper/007:25:120
162659954,1cyclictest21963-21ssh09:25:263
162659954,1cyclictest14831-21sensors08:10:223
162659953,1cyclictest9201-21cat08:00:153
162659953,1cyclictest8112-21ntp_kernel_pll_09:05:193
162659953,1cyclictest598-21/usr/sbin/munin07:40:223
162659953,1cyclictest20978-21expr08:25:153
162659952,0cyclictest9092-21diskmemload12:10:223
162659951,3cyclictest20788-21taskset11:41:183
162659950,5cyclictest0-21swapper/308:55:453
162659950,4cyclictest0-21swapper/308:33:563
162579955,0cyclictest61650irq/122-eno107:45:172
162489955,0cyclictest21-21ksoftirqd/109:20:081
162489955,0cyclictest21-21ksoftirqd/108:30:201
162489950,5cyclictest0-21swapper/108:05:151
162489950,2cyclictest0-21swapper/110:26:271
162379954,1cyclictest3587-21apt-get07:50:110
162379951,1cyclictest0-21swapper/007:55:130
162379950,5cyclictest0-21swapper/008:42:510
162379950,0cyclictest0-21swapper/007:40:190
162659942,1cyclictest28149-21tune2fs08:40:163
162489944,0cyclictest21-21ksoftirqd/108:55:181
162489944,0cyclictest111rcu_preempt07:20:151
162489942,1cyclictest0-21swapper/111:00:181
162489941,2cyclictest0-21swapper/107:50:111
162489940,1cyclictest0-21swapper/107:55:141
162489940,1cyclictest0-21swapper/107:40:121
162489940,0cyclictest0-21swapper/108:25:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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