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2026-05-28 - 15:55
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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 Thu May 28, 2026 12:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
256252214180,22sleep30-21swapper/307:05:593
238272213148,21sleep00-21swapper/007:05:070
259142202165,24sleep20-21swapper/207:09:442
257522197158,26sleep10-21swapper/107:07:391
294302630,0sleep10-21swapper/112:15:171
169612590,0sleep30-21swapper/310:31:533
180992170,0sleep20-21swapper/210:35:012
258642160,0sleep10-21swapper/109:18:331
77852140,0sleep30-21swapper/311:45:273
2605699140,13cyclictest0-21swapper/209:50:152
231442140,0sleep30-21swapper/311:24:443
2605699130,0cyclictest0-21swapper/211:00:112
2605699120,4cyclictest12942-21runrttasks10:25:592
2605199120,12cyclictest0-21swapper/109:50:101
2604299125,6cyclictest9456-21wc11:50:000
26042991212,0cyclictest9-21ksoftirqd/011:20:130
26042991211,1cyclictest9-21ksoftirqd/012:15:010
2605699110,10cyclictest28377-21munin-node12:27:532
2605699110,10cyclictest0-21swapper/210:15:202
2604299119,1cyclictest9-21ksoftirqd/011:10:140
2604299119,1cyclictest9-21ksoftirqd/010:05:130
2604299119,1cyclictest9-21ksoftirqd/009:45:180
26042991110,1cyclictest9-21ksoftirqd/012:15:120
26042991110,1cyclictest9-21ksoftirqd/010:30:000
26042991110,1cyclictest9-21ksoftirqd/010:20:150
26042991110,1cyclictest9-21ksoftirqd/010:20:140
26042991110,1cyclictest9-21ksoftirqd/010:05:010
2604299111,5cyclictest20556-21latency_hist12:05:000
2606599108,1cyclictest35-21ksoftirqd/310:00:003
2605699101,4cyclictest1982-21sendmail-mta10:35:322
2605699101,3cyclictest1731-21dump-pmu-power09:30:012
2605699101,2cyclictest11547-21cstates07:45:122
2605699100,3cyclictest15358-21taskset07:50:542
2605699100,2cyclictest240-21systemd-journal07:45:012
2604299109,1cyclictest9-21ksoftirqd/012:30:090
2604299109,1cyclictest9-21ksoftirqd/011:25:130
2604299109,1cyclictest9-21ksoftirqd/009:30:200
2604299102,4cyclictest20463-21perf08:05:010
260659997,1cyclictest35-21ksoftirqd/310:10:003
260659990,7cyclictest561-21nscd09:31:283
260659990,0cyclictest0-21swapper/311:16:453
260569997,1cyclictest28-21ksoftirqd/208:35:012
260569996,3cyclictest61650irq/122-eno111:11:212
260569996,3cyclictest61650irq/122-eno109:55:202
260569996,3cyclictest61650irq/122-eno109:05:152
260569994,1cyclictest61650irq/122-eno112:10:202
260569994,1cyclictest61650irq/122-eno110:50:172
260569994,1cyclictest3112-21ssh10:55:432
260569994,1cyclictest1029-21snmpd10:12:242
260569993,1cyclictest3175-21grep08:35:162
260569993,1cyclictest19433-21ntpq08:00:172
260569992,1cyclictest19865-21cut11:20:122
260569991,1cyclictest240-21systemd-journal07:15:002
260569990,4cyclictest18666-21diskmemload10:05:182
260569990,2cyclictest0-21swapper/211:48:012
260569990,1cyclictest30345-21latency_hist09:25:002
260569990,1cyclictest240-21systemd-journal11:55:012
260569990,1cyclictest240-21systemd-journal08:59:592
260569990,1cyclictest240-21systemd-journal08:30:002
260569990,1cyclictest240-21systemd-journal08:25:002
260569990,1cyclictest240-21systemd-journal08:15:002
260569990,1cyclictest240-21systemd-journal07:15:012
260569990,1cyclictest0-21swapper/212:05:132
260569990,1cyclictest0-21swapper/209:15:012
260519990,0cyclictest0-21swapper/110:45:101
260429999,0cyclictest9-21ksoftirqd/012:35:150
260429999,0cyclictest9-21ksoftirqd/009:40:110
260429998,1cyclictest9-21ksoftirqd/012:09:180
260429998,1cyclictest9-21ksoftirqd/010:30:150
260429998,1cyclictest9-21ksoftirqd/009:20:130
260429997,1cyclictest9-21ksoftirqd/012:20:130
260429993,5cyclictest3729-21perf07:30:010
260429990,5cyclictest30958-21apt11:35:110
260659988,0cyclictest35-21ksoftirqd/309:40:223
260659986,1cyclictest14464-21cat07:50:143
260659986,1cyclictest1029-21snmpd11:06:203
260659986,1cyclictest1029-21snmpd10:55:023
260659986,1cyclictest1029-21snmpd10:16:393
260659986,1cyclictest1029-21snmpd09:20:083
260659986,1cyclictest1029-21snmpd09:12:223
260659986,1cyclictest1029-21snmpd08:16:173
260659981,4cyclictest32454-21apt-get08:30:103
260659980,5cyclictest0-21swapper/311:50:413
260659980,5cyclictest0-21swapper/308:04:203
260659980,3cyclictest24505-21/usr/sbin/munin12:10:173
260569987,0cyclictest0-21swapper/211:56:412
260569986,2cyclictest61650irq/122-eno111:38:402
260569986,2cyclictest61650irq/122-eno109:33:562
260569986,1cyclictest61650irq/122-eno112:30:112
260569985,3cyclictest61650irq/122-eno112:35:082
260569985,3cyclictest61650irq/122-eno110:45:192
260569985,3cyclictest61650irq/122-eno110:40:212
260569984,3cyclictest1329-21cron07:25:002
260569983,2cyclictest548-21systemd-logind09:35:182
260569983,1cyclictest9830-21ntpq11:05:162
260569982,1cyclictest16455-21taskset09:48:552
260569980,4cyclictest24999-21wc11:25:182
260569980,3cyclictest4138-21diskmemload11:40:362
260569980,1cyclictest6484-21/usr/sbin/munin07:35:082
260569980,1cyclictest240-21systemd-journal11:34:552
260569980,1cyclictest240-21systemd-journal10:04:562
260569980,1cyclictest240-21systemd-journal09:40:002
260569980,1cyclictest240-21systemd-journal08:55:002
260519980,7cyclictest0-21swapper/110:35:141
260519980,2cyclictest0-21swapper/112:24:251
260519980,1cyclictest0-21swapper/109:28:161
260429988,0cyclictest9-21ksoftirqd/011:58:100
260429988,0cyclictest9-21ksoftirqd/010:48:040
260429987,1cyclictest9-21ksoftirqd/010:50:120
260429987,1cyclictest9-21ksoftirqd/010:15:210
260429987,1cyclictest9-21ksoftirqd/008:55:200
260429987,1cyclictest9-21ksoftirqd/007:45:110
260429987,0cyclictest9-21ksoftirqd/009:52:460
260429986,1cyclictest1029-21snmpd09:59:440
260429983,1cyclictest0-21swapper/007:20:200
260429980,7cyclictest21336-21ssh10:38:470
260429980,7cyclictest11056-21ssh11:07:040
260659975,1cyclictest21544-21cat08:05:153
260659975,1cyclictest1747-21ntpd12:00:593
260659975,1cyclictest1029-21snmpd12:16:043
260659975,1cyclictest1029-21snmpd12:07:183
260659975,1cyclictest1029-21snmpd11:56:273
260659975,1cyclictest1029-21snmpd11:41:153
260659975,1cyclictest1029-21snmpd11:10:403
260659975,1cyclictest1029-21snmpd08:48:303
260659975,1cyclictest1029-21snmpd08:40:003
260659975,1cyclictest1029-21snmpd07:34:203
260659972,2cyclictest30959-21apt-get11:35:103
260659971,5cyclictest26839-21kworker/u8:110:04:113
260659971,4cyclictest28297-21fschecks_count08:20:153
260659971,4cyclictest0-21swapper/307:55:133
260659970,4cyclictest4759-21apt-get08:40:113
260659970,3cyclictest0-21swapper/311:31:303
260659970,1cyclictest0-21swapper/310:20:123
260659970,1cyclictest0-21swapper/310:20:113
260569976,1cyclictest61650irq/122-eno112:01:032
260569976,1cyclictest61650irq/122-eno109:00:102
260569975,2cyclictest61650irq/122-eno112:15:312
260569975,2cyclictest61650irq/122-eno110:23:482
260569975,2cyclictest61650irq/122-eno110:23:472
260569975,1cyclictest61650irq/122-eno111:15:122
260569975,1cyclictest61650irq/122-eno108:00:002
260569974,0cyclictest61650irq/122-eno112:20:212
260569974,0cyclictest61650irq/122-eno109:15:432
260569970,6cyclictest0-21swapper/208:15:152
260569970,3cyclictest0-21swapper/207:25:112
260519972,3cyclictest0-21swapper/111:40:301
260519972,0cyclictest0-21swapper/109:40:201
260519971,1cyclictest0-21swapper/112:35:111
260519971,1cyclictest0-21swapper/110:25:331
260519970,7cyclictest0-21swapper/112:26:071
260519970,7cyclictest0-21swapper/112:10:391
260519970,4cyclictest0-21swapper/110:01:081
260519970,1cyclictest0-21swapper/111:55:001
260519970,1cyclictest0-21swapper/110:12:121
260519970,1cyclictest0-21swapper/109:49:391
260519970,1cyclictest0-21swapper/109:11:371
260429977,0cyclictest9-21ksoftirqd/008:20:110
260429977,0cyclictest9-21ksoftirqd/008:05:120
260429976,1cyclictest9-21ksoftirqd/011:30:120
260429976,1cyclictest9-21ksoftirqd/010:10:120
260429976,1cyclictest9-21ksoftirqd/009:35:190
260429976,1cyclictest9-21ksoftirqd/009:00:100
260429976,1cyclictest9-21ksoftirqd/007:54:590
260429976,1cyclictest9-21ksoftirqd/007:15:130
260429975,1cyclictest9-21ksoftirqd/010:55:200
260429975,1cyclictest9-21ksoftirqd/008:25:100
260429975,1cyclictest4548-21ssh11:41:490
260429971,4cyclictest5226-21kworker/u8:210:40:110
260429971,2cyclictest0-21swapper/009:10:100
260429971,1cyclictest15610-1kworker/u9:211:15:350
260429970,6cyclictest8711-21kworker/0:208:40:190
260429970,6cyclictest3206-21ssh12:25:040
260429970,6cyclictest31064-21df_inode09:25:120
260429970,6cyclictest0-21swapper/011:00:130
260429970,6cyclictest0-21swapper/007:59:590
260429970,1cyclictest24412-21smartctl08:10:180
260659965,1cyclictest31635-21ssh09:25:153
260659965,1cyclictest29318-21kworker/3:209:16:323
260659965,1cyclictest26905-21cat10:45:143
260659965,1cyclictest25419-21ssh11:25:373
260659965,1cyclictest24960-21sshd08:13:043
260659965,1cyclictest13083-21ssh12:37:023
260659964,2cyclictest28377-21munin-node07:46:543
260659964,1cyclictest25291-21ssh10:43:513
260659964,1cyclictest1943-21ssh10:11:273
260659964,1cyclictest18859-21df_inode10:35:123
260659964,1cyclictest1747-21ntpd12:25:583
260659964,1cyclictest1747-21ntpd07:10:583
260659964,1cyclictest12098-21grep08:55:123
260659964,1cyclictest1029-21snmpd09:46:443
260659964,1cyclictest1029-21snmpd07:17:443
260659963,1cyclictest18666-21diskmemload09:50:173
260659962,1cyclictest6988-21df_inode07:35:113
260659960,6cyclictest0-21swapper/312:30:073
260659960,6cyclictest0-21swapper/310:53:513
260659960,4cyclictest0-21swapper/310:25:353
260659960,3cyclictest0-21swapper/312:24:493
260659960,3cyclictest0-21swapper/311:01:553
260659960,2cyclictest0-21swapper/309:35:183
260659960,1cyclictest240-21systemd-journal07:25:003
260569966,0cyclictest61650irq/122-eno108:05:112
260569966,0cyclictest61650irq/122-eno107:30:042
260569964,1cyclictest61650irq/122-eno108:40:172
260519965,1cyclictest0-21swapper/107:10:571
260519962,2cyclictest0-21swapper/111:34:031
260519962,2cyclictest0-21swapper/109:30:251
260519962,2cyclictest0-21swapper/108:14:561
260519961,2cyclictest0-21swapper/112:30:111
260519961,1cyclictest0-21swapper/110:05:191
260519960,6cyclictest0-21swapper/111:47:121
260519960,6cyclictest0-21swapper/111:09:551
260519960,6cyclictest0-21swapper/110:55:411
260519960,6cyclictest0-21swapper/110:22:271
260519960,6cyclictest0-21swapper/110:22:271
260519960,6cyclictest0-21swapper/110:16:121
260519960,6cyclictest0-21swapper/109:39:121
260519960,6cyclictest0-21swapper/108:57:541
260519960,6cyclictest0-21swapper/108:33:511
260519960,6cyclictest0-21swapper/108:20:321
260519960,6cyclictest0-21swapper/107:22:581
260519960,5cyclictest0-21swapper/110:32:251
260519960,5cyclictest0-21swapper/108:41:511
260519960,5cyclictest0-21swapper/107:49:591
260519960,3cyclictest0-21swapper/111:15:151
260519960,2cyclictest0-21swapper/111:28:241
260519960,1cyclictest0-21swapper/112:06:431
260519960,1cyclictest0-21swapper/110:50:491
260519960,1cyclictest0-21swapper/109:56:251
260519960,0cyclictest0-21swapper/111:55:041
260519960,0cyclictest0-21swapper/111:38:111
260519960,0cyclictest0-21swapper/109:22:141
260519960,0cyclictest0-21swapper/108:45:211
260429966,0cyclictest9-21ksoftirqd/011:50:120
260429965,1cyclictest9-21ksoftirqd/007:40:150
260429965,1cyclictest9-21ksoftirqd/007:35:160
260429964,1cyclictest9-21ksoftirqd/008:30:150
260429960,6cyclictest0-21swapper/008:35:120
260429960,6cyclictest0-21swapper/008:19:360
260429960,5cyclictest0-21swapper/009:15:130
260429960,2cyclictest0-21swapper/008:45:120
260429960,0cyclictest0-21swapper/009:05:110
260659954,1cyclictest1029-21snmpd07:42:363
260659953,1cyclictest16627-21aten_r1power_fr09:05:103
260659953,1cyclictest16040-21taskset09:01:393
260659953,1cyclictest1029-21snmpd07:28:013
260659951,2cyclictest0-21swapper/308:50:103
260659950,1cyclictest0-21swapper/308:25:163
260569950,3cyclictest0-21swapper/208:45:122
260519955,0cyclictest0-21swapper/112:00:421
260519950,5cyclictest0-21swapper/108:09:231
260519950,5cyclictest0-21swapper/107:55:591
260519950,5cyclictest0-21swapper/107:35:001
260519950,4cyclictest0-21swapper/111:10:121
260519950,3cyclictest0-21swapper/111:20:341
260519950,0cyclictest0-21swapper/111:00:101
260519950,0cyclictest0-21swapper/110:40:011
260519950,0cyclictest0-21swapper/108:26:151
260429951,4cyclictest0-21swapper/008:50:120
260429950,4cyclictest3929-21/usr/sbin/munin07:30:110
260429950,0cyclictest0-21swapper/007:10:130
260519943,1cyclictest0-21swapper/108:17:421
260519940,4cyclictest0-21swapper/109:00:061
260519940,4cyclictest0-21swapper/107:35:451
260519940,4cyclictest0-21swapper/107:19:281
260519940,3cyclictest0-21swapper/107:55:001
260519940,2cyclictest0-21swapper/107:40:141
260519940,1cyclictest0-21swapper/108:35:121
260519940,0cyclictest0-21swapper/109:05:201
260519940,0cyclictest0-21swapper/108:02:241
10184240,1sleep121-21ksoftirqd/108:50:141
260519932,1cyclictest0-21swapper/107:25:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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