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2026-09-02 - 01:21
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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 Tue Sep 01, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
42202217160,25sleep00-21swapper/007:07:120
43892204159,31sleep10-21swapper/107:09:221
40912201161,26sleep30-21swapper/307:05:303
42642200162,25sleep20-21swapper/207:07:462
26052680,0sleep00-21swapper/011:34:140
74702670,0sleep10-21swapper/109:20:581
454099200,13cyclictest0-21swapper/108:40:121
4530991817,1cyclictest9-21ksoftirqd/012:10:120
320982180,0sleep30-21swapper/309:55:563
4530991716,1cyclictest9-21ksoftirqd/011:55:110
4530991716,1cyclictest9-21ksoftirqd/008:45:140
4530991715,1cyclictest9-21ksoftirqd/009:15:120
4530991615,1cyclictest9-21ksoftirqd/011:17:170
4530991615,1cyclictest9-21ksoftirqd/008:30:220
4530991615,1cyclictest9-21ksoftirqd/007:40:170
4530991614,1cyclictest9-21ksoftirqd/007:15:170
4530991515,0cyclictest9-21ksoftirqd/012:29:390
4530991515,0cyclictest9-21ksoftirqd/012:15:130
4530991515,0cyclictest9-21ksoftirqd/008:25:170
4530991514,1cyclictest9-21ksoftirqd/010:30:140
4530991513,1cyclictest9-21ksoftirqd/010:50:010
4530991513,1cyclictest9-21ksoftirqd/009:50:000
4530991513,1cyclictest9-21ksoftirqd/009:31:120
4530991414,0cyclictest9-21ksoftirqd/011:10:130
4530991414,0cyclictest9-21ksoftirqd/009:12:450
4530991413,1cyclictest9-21ksoftirqd/009:20:180
4530991412,1cyclictest9-21ksoftirqd/011:50:000
4530991412,1cyclictest9-21ksoftirqd/011:40:000
4530991412,1cyclictest9-21ksoftirqd/010:10:180
156642140,0sleep00-21swapper/007:30:150
4530991313,0cyclictest9-21ksoftirqd/012:05:190
4530991313,0cyclictest9-21ksoftirqd/010:21:030
4530991313,0cyclictest9-21ksoftirqd/007:10:150
4530991312,1cyclictest9-21ksoftirqd/009:00:010
4530991312,1cyclictest9-21ksoftirqd/009:00:000
4530991311,1cyclictest9-21ksoftirqd/011:40:150
4530991311,1cyclictest9-21ksoftirqd/010:40:110
4530991311,1cyclictest9-21ksoftirqd/010:40:010
4530991311,1cyclictest9-21ksoftirqd/008:20:000
4530991311,1cyclictest9-21ksoftirqd/008:05:170
4530991311,1cyclictest9-21ksoftirqd/008:00:010
4530991310,2cyclictest9-21ksoftirqd/011:00:140
4530991310,2cyclictest9-21ksoftirqd/010:05:130
4547991211,1cyclictest28-21ksoftirqd/209:55:012
4547991211,1cyclictest28-21ksoftirqd/209:55:012
453099129,1cyclictest9-21ksoftirqd/010:59:590
4530991212,0cyclictest9-21ksoftirqd/012:37:240
4530991212,0cyclictest9-21ksoftirqd/009:57:010
4530991211,1cyclictest9-21ksoftirqd/009:35:110
4530991211,1cyclictest9-21ksoftirqd/009:05:010
4530991211,1cyclictest9-21ksoftirqd/008:44:590
4530991211,1cyclictest9-21ksoftirqd/008:25:000
4530991211,1cyclictest9-21ksoftirqd/008:15:010
4530991211,1cyclictest9-21ksoftirqd/007:24:590
4530991210,1cyclictest9-21ksoftirqd/012:34:590
4530991210,1cyclictest9-21ksoftirqd/012:20:120
4530991210,1cyclictest9-21ksoftirqd/011:25:140
4530991210,1cyclictest9-21ksoftirqd/011:20:180
4530991210,1cyclictest9-21ksoftirqd/010:15:120
4530991210,1cyclictest9-21ksoftirqd/009:50:160
4530991210,1cyclictest9-21ksoftirqd/009:50:160
4530991210,1cyclictest9-21ksoftirqd/009:25:210
4530991210,1cyclictest9-21ksoftirqd/009:10:010
4530991210,1cyclictest9-21ksoftirqd/008:55:010
4530991210,1cyclictest9-21ksoftirqd/008:40:000
4530991210,1cyclictest9-21ksoftirqd/008:05:010
4530991210,1cyclictest9-21ksoftirqd/007:50:010
4530991210,1cyclictest9-21ksoftirqd/007:39:590
4530991210,1cyclictest9-21ksoftirqd/007:30:000
454799119,1cyclictest28-21ksoftirqd/209:40:002
453099119,1cyclictest9-21ksoftirqd/010:50:140
453099118,1cyclictest9-21ksoftirqd/007:45:000
4530991110,1cyclictest9-21ksoftirqd/011:05:140
4530991110,1cyclictest9-21ksoftirqd/010:25:190
454799109,1cyclictest28-21ksoftirqd/210:17:042
454799108,1cyclictest28-21ksoftirqd/210:45:132
454799100,7cyclictest9090-21kworker/u8:109:59:312
453099109,1cyclictest9-21ksoftirqd/012:00:120
453099109,1cyclictest9-21ksoftirqd/010:00:140
453099109,1cyclictest9-21ksoftirqd/009:40:150
453099108,1cyclictest9-21ksoftirqd/011:50:120
45559997,1cyclictest17415-21apt-get07:35:133
45479998,1cyclictest28-21ksoftirqd/212:19:592
45479998,1cyclictest28-21ksoftirqd/212:00:122
45479998,1cyclictest28-21ksoftirqd/212:00:012
45479998,0cyclictest28-21ksoftirqd/210:00:222
45409990,5cyclictest0-21swapper/110:40:121
45559987,1cyclictest35-21ksoftirqd/311:14:593
45559986,1cyclictest11301-21snmpd07:24:253
45559984,3cyclictest11301-21snmpd12:18:313
45559981,4cyclictest0-21swapper/309:14:523
45559980,5cyclictest0-21swapper/312:10:133
45479987,1cyclictest28-21ksoftirqd/211:00:112
45479987,1cyclictest28-21ksoftirqd/208:35:002
45479987,1cyclictest28-21ksoftirqd/207:30:132
45479987,0cyclictest28-21ksoftirqd/210:26:432
45479986,1cyclictest61650irq/122-eno112:10:142
45479986,1cyclictest28-21ksoftirqd/210:55:142
45479986,1cyclictest28-21ksoftirqd/208:50:012
45479986,1cyclictest11301-21snmpd09:16:112
45479986,1cyclictest11301-21snmpd07:27:232
45479985,2cyclictest11301-21snmpd11:25:232
45479980,6cyclictest0-21swapper/212:36:362
45409981,3cyclictest0-21swapper/108:25:141
45409981,1cyclictest0-21swapper/111:13:011
45409980,4cyclictest0-21swapper/110:28:471
45409980,2cyclictest0-21swapper/112:00:121
45409980,2cyclictest0-21swapper/107:50:121
45559976,1cyclictest11301-21snmpd12:30:553
45559976,1cyclictest11301-21snmpd12:25:463
45559976,1cyclictest11301-21snmpd11:00:053
45559976,1cyclictest11301-21snmpd09:51:273
45559976,1cyclictest11301-21snmpd09:51:263
45559975,1cyclictest35-21ksoftirqd/310:42:543
45559975,1cyclictest17064-21ssh11:08:123
45559975,1cyclictest12409-21sshd11:46:213
45559975,1cyclictest11301-21snmpd12:23:483
45559971,4cyclictest27042-21/usr/sbin/munin07:55:133
45559971,4cyclictest0-21swapper/310:20:043
45559971,3cyclictest30457-21diskmemload12:05:423
45559971,2cyclictest30457-21diskmemload11:40:153
45559970,5cyclictest30457-21diskmemload09:45:203
45559970,4cyclictest0-21swapper/310:48:213
45559970,2cyclictest0-21swapper/311:15:183
45559970,2cyclictest0-21swapper/310:26:163
45559970,2cyclictest0-21swapper/309:40:103
45479977,0cyclictest0-21swapper/212:09:332
45479976,1cyclictest61650irq/122-eno112:25:182
45479976,1cyclictest61650irq/122-eno111:42:072
45479976,1cyclictest61650irq/122-eno111:14:422
45479976,1cyclictest61650irq/122-eno110:51:172
45479976,1cyclictest61650irq/122-eno110:42:572
45479976,1cyclictest28-21ksoftirqd/212:30:152
45479976,1cyclictest28-21ksoftirqd/209:20:142
45479976,1cyclictest28-21ksoftirqd/207:15:012
45479976,1cyclictest11301-21snmpd11:39:482
45479976,1cyclictest11301-21snmpd11:30:052
45479976,1cyclictest11301-21snmpd08:41:402
45479975,1cyclictest61650irq/122-eno110:35:182
45479975,1cyclictest24328-21ntpq09:45:182
45479975,1cyclictest11301-21snmpd09:42:272
45479971,3cyclictest0-21swapper/210:09:592
45479970,4cyclictest9608-21ntp_states10:10:192
45409972,5cyclictest18529-21chrt09:37:201
45409970,6cyclictest0-21swapper/112:15:161
45409970,4cyclictest0-21swapper/110:15:161
45409970,4cyclictest0-21swapper/109:26:031
45409970,4cyclictest0-21swapper/107:30:121
45409970,1cyclictest0-21swapper/110:54:081
45409970,1cyclictest0-21swapper/110:11:301
45409970,1cyclictest0-21swapper/108:30:141
45559966,0cyclictest35-21ksoftirqd/311:20:143
45559965,1cyclictest7365-21ssh09:20:403
45559965,1cyclictest3570-21sshd10:02:113
45559965,1cyclictest31813-21perf11:30:013
45559965,1cyclictest27847-21ssh10:36:053
45559965,1cyclictest2344-21ssh09:15:153
45559965,1cyclictest1784-21ssh11:31:323
45559965,1cyclictest14893-21ssh09:31:523
45559965,1cyclictest11301-21snmpd09:35:043
45559965,1cyclictest11301-21snmpd09:06:133
45559965,1cyclictest11301-21snmpd08:09:473
45559965,1cyclictest11301-21snmpd08:00:053
45559964,1cyclictest8828-21basename08:25:003
45559964,1cyclictest35-21ksoftirqd/308:17:063
45559964,1cyclictest11301-21snmpd10:30:343
45559964,1cyclictest11301-21snmpd08:12:483
45559964,1cyclictest11301-21snmpd07:51:163
45559964,0cyclictest30457-21diskmemload12:35:173
45559962,2cyclictest30457-21diskmemload11:50:143
45559962,2cyclictest30457-21diskmemload09:25:073
45559961,1cyclictest21315-21df_inode12:00:143
45559961,0cyclictest30457-21diskmemload10:18:223
45559960,6cyclictest5213-21ssh11:36:173
45559960,4cyclictest0-21swapper/310:06:063
45559960,3cyclictest19084-21ssh11:55:223
45559960,3cyclictest0-21swapper/310:50:213
45559960,2cyclictest4725-21apt-get07:10:103
45559960,2cyclictest0-21swapper/310:57:403
45479966,0cyclictest61650irq/122-eno112:20:542
45479966,0cyclictest61650irq/122-eno111:51:152
45479966,0cyclictest61650irq/122-eno111:15:012
45479966,0cyclictest61650irq/122-eno110:20:162
45479966,0cyclictest61650irq/122-eno109:30:152
45479966,0cyclictest61650irq/122-eno109:25:172
45479966,0cyclictest61650irq/122-eno109:00:122
45479966,0cyclictest61650irq/122-eno108:59:542
45479966,0cyclictest61650irq/122-eno108:59:532
45479966,0cyclictest61650irq/122-eno108:51:132
45479966,0cyclictest61650irq/122-eno108:28:062
45479966,0cyclictest61650irq/122-eno108:20:202
45479966,0cyclictest61650irq/122-eno107:56:202
45479966,0cyclictest61650irq/122-eno107:40:182
45479966,0cyclictest61650irq/122-eno107:23:022
45479965,1cyclictest61650irq/122-eno111:45:302
45479965,1cyclictest28-21ksoftirqd/211:04:592
45479965,1cyclictest28-21ksoftirqd/208:35:002
45479965,1cyclictest24914-21ssh10:32:532
45479965,1cyclictest11301-21snmpd07:52:472
45479964,1cyclictest61650irq/122-eno111:20:122
45479964,1cyclictest61650irq/122-eno108:15:162
45479964,1cyclictest61650irq/122-eno107:35:142
45479964,1cyclictest28-21ksoftirqd/208:00:002
45479964,1cyclictest28-21ksoftirqd/207:15:012
45479960,6cyclictest0-21swapper/209:08:092
45479960,4cyclictest0-21swapper/207:45:112
45479960,2cyclictest0-21swapper/209:10:312
45409963,0cyclictest0-21swapper/107:25:181
45409961,3cyclictest0-21swapper/110:45:141
45409961,3cyclictest0-21swapper/109:41:581
45409960,6cyclictest0-21swapper/112:12:361
45409960,6cyclictest0-21swapper/111:59:421
45409960,6cyclictest0-21swapper/111:05:321
45409960,6cyclictest0-21swapper/110:56:171
45409960,6cyclictest0-21swapper/109:10:491
45409960,6cyclictest0-21swapper/107:38:171
45409960,6cyclictest0-21swapper/107:18:011
45409960,5cyclictest0-21swapper/111:40:021
45409960,5cyclictest0-21swapper/109:55:451
45409960,5cyclictest0-21swapper/109:05:171
45409960,5cyclictest0-21swapper/108:11:241
45409960,4cyclictest0-21swapper/112:31:061
45409960,4cyclictest0-21swapper/110:20:341
45409960,4cyclictest0-21swapper/109:51:311
45409960,4cyclictest0-21swapper/109:51:301
45409960,4cyclictest0-21swapper/109:16:501
45409960,3cyclictest0-21swapper/112:20:511
45409960,3cyclictest0-21swapper/112:05:121
45409960,3cyclictest0-21swapper/111:45:101
45409960,2cyclictest0-21swapper/108:35:141
45409960,1cyclictest0-21swapper/112:26:391
45409960,0cyclictest0-21swapper/111:34:271
15812260,0sleep10-21swapper/109:34:521
45559954,1cyclictest35-21ksoftirqd/308:47:563
45559954,1cyclictest23596-21/usr/sbin/munin08:55:203
45559954,1cyclictest23596-21/usr/sbin/munin08:55:193
45559954,1cyclictest18472-21perf08:45:003
45559954,1cyclictest16463-21sensors07:30:213
45559954,1cyclictest11301-21snmpd07:48:323
45559954,1cyclictest10307-21sh10:10:423
45559953,0cyclictest21247-21apt-get08:50:123
45559952,1cyclictest7749-21aten_r1power_en07:15:023
45559951,2cyclictest12739-21stty07:25:123
45559950,5cyclictest0-21swapper/308:36:383
45559950,1cyclictest0-21swapper/308:25:123
45479951,3cyclictest0-21swapper/208:05:112
45479951,2cyclictest548-21systemd-logind08:10:182
45409955,0cyclictest0-21swapper/110:36:201
45409953,1cyclictest0-21swapper/111:25:141
45409951,3cyclictest53162sleep111:36:391
45409951,3cyclictest0-21swapper/109:49:041
45409950,5cyclictest0-21swapper/107:47:321
45409950,5cyclictest0-21swapper/107:23:561
45409950,4cyclictest0-21swapper/110:00:111
45409950,4cyclictest0-21swapper/109:00:131
45409950,3cyclictest0-21swapper/112:35:371
45409950,3cyclictest0-21swapper/111:00:111
45409950,3cyclictest0-21swapper/108:05:141
45409950,2cyclictest0-21swapper/111:16:381
45409950,2cyclictest0-21swapper/110:06:111
45409950,2cyclictest0-21swapper/108:50:001
45409950,0cyclictest0-21swapper/110:32:351
45559943,1cyclictest20115-21cstates07:40:133
45559942,1cyclictest12185-21cut08:30:163
45559940,2cyclictest25969-21apt-get09:00:103
45409942,1cyclictest16335-21chrt11:52:491
45409941,2cyclictest0-21swapper/108:55:121
45409941,2cyclictest0-21swapper/108:55:121
45409941,2cyclictest0-21swapper/108:50:121
45409941,2cyclictest0-21swapper/107:10:101
45409941,1cyclictest0-21swapper/108:20:161
45409940,2cyclictest0-21swapper/111:20:141
45409940,0cyclictest0-21swapper/108:00:211
45409931,1cyclictest0-21swapper/108:15:131
45409931,1cyclictest0-21swapper/108:00:001
45409931,1cyclictest0-21swapper/107:40:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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