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2026-08-10 - 01:13
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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 Sun Aug 09, 2026 12:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
227212202162,27sleep30-21swapper/307:07:313
228552201162,26sleep10-21swapper/107:09:141
226432200159,26sleep20-21swapper/207:06:292
227952199161,24sleep00-21swapper/007:08:290
251572690,0sleep30-21swapper/312:25:153
188652550,0sleep10-21swapper/109:59:261
170932550,0sleep10-21swapper/112:15:001
307542240,0sleep030756-21rm09:30:140
271362190,0sleep00-21swapper/010:10:150
165182140,1sleep335-21ksoftirqd/309:10:143
2298799132,5cyclictest13500-21/usr/sbin/munin09:05:000
23006991110,1cyclictest35-21ksoftirqd/311:50:003
23006991110,1cyclictest35-21ksoftirqd/310:20:003
2298799113,4cyclictest8555-21perf09:45:000
2299999108,1cyclictest28-21ksoftirqd/208:04:592
2298799100,7cyclictest240-21systemd-journal10:00:000
230069999,0cyclictest15863-21diskmemload10:40:003
230069998,1cyclictest35-21ksoftirqd/310:50:133
230069998,1cyclictest35-21ksoftirqd/309:55:003
230069998,1cyclictest35-21ksoftirqd/309:20:003
230069997,1cyclictest35-21ksoftirqd/309:35:003
229999997,1cyclictest28-21ksoftirqd/208:20:012
229999991,8cyclictest61650irq/122-eno111:06:102
229999990,8cyclictest769-21lldpd10:35:532
229999990,0cyclictest0-21swapper/212:15:562
229879998,1cyclictest9-21ksoftirqd/008:07:260
229879993,6cyclictest19352-21apt-config09:15:000
229879992,1cyclictest7993-21/usr/sbin/munin10:30:150
229879990,7cyclictest25089-1kworker/u9:011:00:490
230069988,0cyclictest35-21ksoftirqd/310:32:413
230069988,0cyclictest35-21ksoftirqd/310:20:133
230069987,1cyclictest35-21ksoftirqd/311:55:113
230069987,1cyclictest35-21ksoftirqd/308:40:013
230069987,1cyclictest35-21ksoftirqd/307:30:003
230069986,1cyclictest11301-21snmpd07:53:193
230069986,1cyclictest11301-21snmpd07:35:553
230069982,4cyclictest22541-21apt-get08:15:113
230069980,3cyclictest0-21swapper/309:55:143
229999987,1cyclictest28-21ksoftirqd/212:21:192
229999987,1cyclictest0-21swapper/209:45:212
229999986,1cyclictest6207-21cat09:40:182
229999986,1cyclictest61650irq/122-eno111:35:142
229999986,1cyclictest61650irq/122-eno109:25:122
229999986,1cyclictest28-21ksoftirqd/207:15:002
229999986,1cyclictest11301-21snmpd12:05:272
229999986,1cyclictest11301-21snmpd10:06:302
229999986,1cyclictest11301-21snmpd07:52:102
229959980,6cyclictest0-21swapper/112:36:161
229879986,1cyclictest11301-21snmpd12:09:150
229879986,1cyclictest11301-21snmpd11:48:350
229879986,1cyclictest11301-21snmpd10:55:220
229879985,2cyclictest7011-21ssh10:27:470
229879983,1cyclictest22538-21/usr/sbin/munin08:15:140
229879983,1cyclictest10752-21/usr/sbin/munin07:50:210
229879982,3cyclictest15863-21diskmemload11:31:060
229879981,6cyclictest7165-21sort11:15:000
229879980,8cyclictest0-21swapper/010:19:510
229879980,7cyclictest7750-21ssh12:00:170
229879980,7cyclictest24055-21ssh10:50:240
229879980,7cyclictest0-21swapper/012:15:200
229879980,4cyclictest15863-21diskmemload10:01:240
25335270,0sleep00-21swapper/008:20:130
230069977,0cyclictest35-21ksoftirqd/309:40:003
230069976,1cyclictest35-21ksoftirqd/312:20:003
230069976,1cyclictest35-21ksoftirqd/312:05:003
230069976,1cyclictest35-21ksoftirqd/311:15:003
230069976,1cyclictest35-21ksoftirqd/307:35:003
230069976,1cyclictest35-21ksoftirqd/307:25:003
230069976,1cyclictest11301-21snmpd12:33:043
230069976,1cyclictest11301-21snmpd08:27:263
230069976,1cyclictest11301-21snmpd07:48:103
230069976,0cyclictest35-21ksoftirqd/307:40:003
230069974,1cyclictest15863-21diskmemload12:21:143
230069973,2cyclictest15863-21diskmemload11:39:103
230069971,4cyclictest15863-21diskmemload10:08:453
230069970,2cyclictest0-21swapper/311:40:563
229999977,0cyclictest0-21swapper/212:25:132
229999977,0cyclictest0-21swapper/209:56:082
229999976,1cyclictest61650irq/122-eno111:00:552
229999975,1cyclictest61650irq/122-eno111:45:172
229999974,1cyclictest240-21systemd-journal11:00:002
229999974,1cyclictest240-21systemd-journal09:25:002
229999973,3cyclictest18131-21chrt11:30:072
229999971,3cyclictest28628-21apt-get07:20:112
229999971,2cyclictest13817-21apt-get12:10:112
229999970,6cyclictest0-21swapper/211:27:522
229999970,4cyclictest30177-21cpuspeed_turbos10:15:142
229999970,1cyclictest0-21swapper/210:45:122
229959974,0cyclictest0-21swapper/111:16:261
229959971,4cyclictest203-21jbd2/sda2-808:11:311
229959971,3cyclictest0-21swapper/108:30:201
229959971,1cyclictest0-21swapper/108:25:151
229959970,6cyclictest0-21swapper/108:05:131
229959970,4cyclictest0-21swapper/109:54:101
229959970,4cyclictest0-21swapper/109:30:131
229959970,3cyclictest0-21swapper/112:04:251
229959970,1cyclictest0-21swapper/107:50:461
229959970,1cyclictest0-21swapper/107:30:581
229879976,1cyclictest8948-21ssh09:45:140
229879976,1cyclictest21600-1kworker/u9:010:05:200
229879976,1cyclictest18753-21ssh10:45:120
229879976,1cyclictest13509-21ntpq09:50:180
229879975,1cyclictest9-21ksoftirqd/007:20:110
229879975,1cyclictest11301-21snmpd11:25:350
229879975,1cyclictest11301-21snmpd11:08:160
229879975,1cyclictest11301-21snmpd08:11:200
229879975,1cyclictest11301-21snmpd07:38:580
229879975,1cyclictest11301-21snmpd07:27:580
229879975,1cyclictest11301-21snmpd07:13:210
229879974,0cyclictest15863-21diskmemload10:24:230
229879972,2cyclictest15863-21diskmemload09:29:270
229879972,1cyclictest22209-21sh12:20:160
229879971,5cyclictest12562-21ssh11:20:200
229879970,6cyclictest26395-21ssh12:25:300
229879970,6cyclictest26050-21ls11:40:150
229879970,6cyclictest25503-21ssh09:21:160
229879970,6cyclictest1832-21ssh11:51:120
229879970,6cyclictest17771-21ssh10:42:470
229879970,6cyclictest16089-1kworker/u9:009:15:250
229879970,6cyclictest15863-21diskmemload11:37:230
229879970,6cyclictest15863-21diskmemload11:15:110
229879970,6cyclictest0-21swapper/008:40:180
229879970,6cyclictest0-21swapper/007:58:460
229879970,2cyclictest14770-21/usr/sbin/munin12:10:160
229879970,1cyclictest7156-21diskstats08:50:140
229879970,1cyclictest30872-21ssh12:33:370
229879970,1cyclictest14306-21ssh10:38:000
229879970,1cyclictest0-21swapper/012:35:180
13214270,1sleep10-21swapper/112:09:001
230069966,0cyclictest35-21ksoftirqd/311:30:023
230069966,0cyclictest35-21ksoftirqd/310:25:173
230069965,1cyclictest6407-21ssh11:12:463
230069965,1cyclictest35-21ksoftirqd/309:10:003
230069965,1cyclictest35-21ksoftirqd/308:05:003
230069965,1cyclictest35-21ksoftirqd/307:15:003
230069965,1cyclictest29082-21ssh09:25:543
230069965,1cyclictest26891-21ssh10:10:143
230069965,1cyclictest26066-21ssh09:22:513
230069965,1cyclictest20345-21ssh11:31:383
230069965,1cyclictest1377-21ssh12:36:063
230069965,1cyclictest11301-21snmpd11:51:243
230069965,1cyclictest11301-21snmpd09:40:443
230069965,0cyclictest35-21ksoftirqd/308:15:003
230069964,2cyclictest15863-21diskmemload11:22:513
230069964,1cyclictest1269-21cat11:05:163
230069964,1cyclictest11301-21snmpd08:07:473
230069963,1cyclictest240-21systemd-journal09:04:593
230069963,1cyclictest240-21systemd-journal08:25:013
230069963,1cyclictest240-21systemd-journal08:00:003
230069963,1cyclictest13650irq/124-ahci[0008:49:553
230069961,3cyclictest0-21swapper/310:00:513
230069961,1cyclictest15863-21diskmemload09:45:143
230069960,2cyclictest0-21swapper/311:00:313
230069960,2cyclictest0-21swapper/310:55:503
230069960,2cyclictest0-21swapper/310:45:113
230069960,1cyclictest0-21swapper/310:43:023
230069960,0cyclictest0-21swapper/312:10:303
229999966,0cyclictest61650irq/122-eno112:35:122
229999966,0cyclictest61650irq/122-eno112:30:132
229999966,0cyclictest61650irq/122-eno112:01:272
229999966,0cyclictest61650irq/122-eno111:55:072
229999966,0cyclictest61650irq/122-eno111:40:052
229999966,0cyclictest61650irq/122-eno111:15:582
229999966,0cyclictest61650irq/122-eno110:50:082
229999966,0cyclictest61650irq/122-eno110:20:362
229999966,0cyclictest61650irq/122-eno110:11:562
229999966,0cyclictest61650irq/122-eno110:00:172
229999966,0cyclictest61650irq/122-eno109:50:122
229999966,0cyclictest61650irq/122-eno109:36:182
229999966,0cyclictest61650irq/122-eno109:30:132
229999966,0cyclictest61650irq/122-eno109:00:192
229999966,0cyclictest61650irq/122-eno108:50:142
229999966,0cyclictest61650irq/122-eno108:46:332
229999966,0cyclictest61650irq/122-eno108:37:212
229999966,0cyclictest61650irq/122-eno108:33:052
229999966,0cyclictest61650irq/122-eno108:25:212
229999966,0cyclictest61650irq/122-eno108:20:512
229999966,0cyclictest61650irq/122-eno107:45:112
229999966,0cyclictest61650irq/122-eno107:40:152
229999966,0cyclictest61650irq/122-eno107:25:102
229999966,0cyclictest61650irq/122-eno107:15:122
229999965,1cyclictest7936-21ssh10:30:012
229999965,1cyclictest61650irq/122-eno111:22:052
229999965,1cyclictest61650irq/122-eno111:10:202
229999965,1cyclictest61650irq/122-eno110:40:202
229999965,1cyclictest61650irq/122-eno108:05:152
229999965,1cyclictest4585-21ssh10:25:112
229999965,1cyclictest2894-21ssh11:54:362
229999964,1cyclictest61650irq/122-eno109:15:122
229999963,2cyclictest61650irq/122-eno107:30:212
229999963,1cyclictest20502-21cstates08:10:132
229999962,2cyclictest16931-21hddtemp_smartct09:10:162
229999962,2cyclictest0-21swapper/208:40:172
229999960,5cyclictest0-21swapper/208:58:302
229999960,4cyclictest769-21lldpd07:55:092
229959962,3cyclictest0-21swapper/110:29:161
229959962,3cyclictest0-21swapper/107:50:001
229959962,2cyclictest0-21swapper/111:22:231
229959962,1cyclictest0-21swapper/110:43:241
229959961,3cyclictest0-21swapper/107:10:211
229959961,2cyclictest0-21swapper/109:05:121
229959960,6cyclictest0-21swapper/111:47:411
229959960,6cyclictest0-21swapper/110:08:451
229959960,6cyclictest0-21swapper/109:25:161
229959960,6cyclictest0-21swapper/109:02:551
229959960,6cyclictest0-21swapper/108:01:291
229959960,6cyclictest0-21swapper/107:19:511
229959960,4cyclictest0-21swapper/110:30:121
229959960,4cyclictest0-21swapper/110:22:381
229959960,4cyclictest0-21swapper/110:10:561
229959960,3cyclictest0-21swapper/111:26:351
229959960,3cyclictest0-21swapper/111:01:031
229959960,3cyclictest0-21swapper/109:45:121
229959960,3cyclictest0-21swapper/109:41:381
229959960,3cyclictest0-21swapper/109:21:371
229959960,2cyclictest0-21swapper/111:30:141
229959960,2cyclictest0-21swapper/108:40:121
229959960,1cyclictest0-21swapper/108:35:121
229879964,1cyclictest6524-21latency_hist08:50:000
229879963,2cyclictest1694-21dump-pmu-power08:40:000
229879961,2cyclictest0-21swapper/007:30:150
229879960,6cyclictest0-21swapper/011:55:100
229879960,6cyclictest0-21swapper/009:05:490
229879960,6cyclictest0-21swapper/008:30:130
229879960,6cyclictest0-21swapper/007:47:170
229879960,6cyclictest0-21swapper/007:18:380
229879960,1cyclictest9000-21/usr/sbin/munin08:55:190
229879960,1cyclictest3081-21ssh09:35:190
229879960,0cyclictest0-21swapper/008:26:480
229879960,0cyclictest0-21swapper/007:40:170
230069954,1cyclictest35-21ksoftirqd/312:05:003
230069954,1cyclictest35-21ksoftirqd/308:50:163
230069954,1cyclictest35-21ksoftirqd/308:35:003
230069954,1cyclictest11301-21snmpd08:56:153
230069951,3cyclictest2482-21fschecks_count08:40:143
229999955,0cyclictest61650irq/122-eno107:37:042
229999954,1cyclictest11301-21snmpd09:05:102
229959955,0cyclictest0-21swapper/110:35:371
229959953,1cyclictest0-21swapper/111:10:101
229959951,3cyclictest0-21swapper/112:20:101
229959951,3cyclictest0-21swapper/111:05:181
229959951,2cyclictest0-21swapper/107:45:001
229959951,1cyclictest0-21swapper/112:15:171
229959951,1cyclictest0-21swapper/108:20:151
229959950,5cyclictest0-21swapper/110:59:221
229959950,5cyclictest0-21swapper/110:45:131
229959950,5cyclictest0-21swapper/108:55:331
229959950,5cyclictest0-21swapper/108:50:511
229959950,5cyclictest0-21swapper/107:21:181
229959950,3cyclictest0-21swapper/111:55:181
229959950,3cyclictest0-21swapper/110:00:181
229959950,3cyclictest0-21swapper/109:10:061
229959950,2cyclictest0-21swapper/111:36:141
229959950,2cyclictest0-21swapper/110:52:161
229959950,2cyclictest0-21swapper/109:15:111
229959950,1cyclictest0-21swapper/110:15:431
229959950,1cyclictest0-21swapper/107:25:181
229879950,2cyclictest0-21swapper/008:00:130
230069940,2cyclictest0-21swapper/307:10:133
229959943,1cyclictest0-21swapper/109:35:111
229959941,2cyclictest0-21swapper/108:15:121
229959941,2cyclictest0-21swapper/107:35:111
229959940,4cyclictest0-21swapper/108:45:201
229959940,3cyclictest0-21swapper/111:40:501
229959940,2cyclictest0-21swapper/112:30:091
229959940,2cyclictest0-21swapper/112:25:141
229959940,2cyclictest0-21swapper/111:50:271
229959931,1cyclictest0-21swapper/107:55:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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