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2026-09-14 - 23:13
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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 Mon Sep 14, 2026 12:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
169822223149,22sleep30-21swapper/307:09:573
167592214158,44sleep00-21swapper/007:07:030
167362211157,42sleep20-21swapper/207:06:452
167032200161,26sleep10-21swapper/107:06:211
265622670,0sleep00-21swapper/010:15:310
17075991818,0cyclictest9-21ksoftirqd/011:08:090
17075991818,0cyclictest9-21ksoftirqd/010:35:160
17075991817,0cyclictest9-21ksoftirqd/009:23:010
1707599180,17cyclictest91ksoftirqd/009:05:000
17075991717,0cyclictest9-21ksoftirqd/012:34:580
165262170,0sleep20-21swapper/209:16:052
17075991616,0cyclictest9-21ksoftirqd/012:20:500
17075991616,0cyclictest9-21ksoftirqd/012:13:120
17075991616,0cyclictest9-21ksoftirqd/012:08:370
17075991616,0cyclictest9-21ksoftirqd/010:29:300
17075991616,0cyclictest9-21ksoftirqd/010:07:200
17075991616,0cyclictest9-21ksoftirqd/009:35:340
17075991616,0cyclictest9-21ksoftirqd/009:10:140
17075991616,0cyclictest9-21ksoftirqd/007:45:190
17075991615,1cyclictest9-21ksoftirqd/012:25:120
17075991615,1cyclictest9-21ksoftirqd/012:25:110
179172150,0sleep20-21swapper/212:23:532
17075991515,0cyclictest9-21ksoftirqd/012:19:460
17075991515,0cyclictest9-21ksoftirqd/010:55:510
17075991515,0cyclictest9-21ksoftirqd/009:58:060
17075991515,0cyclictest9-21ksoftirqd/009:58:060
17075991515,0cyclictest9-21ksoftirqd/008:25:180
17075991515,0cyclictest9-21ksoftirqd/008:15:120
17075991414,0cyclictest9-21ksoftirqd/011:18:180
17075991414,0cyclictest9-21ksoftirqd/010:49:200
17075991414,0cyclictest9-21ksoftirqd/009:06:510
17075991412,1cyclictest9-21ksoftirqd/010:15:000
17075991412,1cyclictest9-21ksoftirqd/009:00:000
1707599139,3cyclictest9-21ksoftirqd/012:39:370
17075991313,0cyclictest9-21ksoftirqd/011:44:060
17075991313,0cyclictest9-21ksoftirqd/011:02:590
17075991313,0cyclictest9-21ksoftirqd/010:33:300
17075991313,0cyclictest9-21ksoftirqd/009:41:190
17075991312,1cyclictest9-21ksoftirqd/011:35:130
17075991312,1cyclictest9-21ksoftirqd/011:25:170
17075991312,1cyclictest9-21ksoftirqd/010:40:100
17075991312,0cyclictest9-21ksoftirqd/011:53:150
17075991311,1cyclictest9-21ksoftirqd/012:00:010
17075991311,1cyclictest9-21ksoftirqd/010:25:000
17075991311,1cyclictest9-21ksoftirqd/009:30:000
17075991311,1cyclictest9-21ksoftirqd/008:05:000
17075991311,1cyclictest9-21ksoftirqd/008:00:000
17075991311,1cyclictest9-21ksoftirqd/007:40:010
1707599127,4cyclictest9-21ksoftirqd/008:05:140
1707599126,6cyclictest9-21ksoftirqd/008:40:150
17075991212,0cyclictest9-21ksoftirqd/011:20:170
17075991211,1cyclictest9-21ksoftirqd/012:00:100
17075991211,1cyclictest9-21ksoftirqd/011:45:100
17075991211,1cyclictest9-21ksoftirqd/009:30:190
17075991211,1cyclictest9-21ksoftirqd/009:15:140
17075991211,1cyclictest9-21ksoftirqd/007:15:000
17075991210,1cyclictest9-21ksoftirqd/009:45:160
17075991210,1cyclictest9-21ksoftirqd/008:55:000
17075991210,1cyclictest9-21ksoftirqd/007:35:000
17075991210,1cyclictest9-21ksoftirqd/007:20:000
1708999119,1cyclictest28-21ksoftirqd/210:55:002
1708999118,1cyclictest28-21ksoftirqd/210:30:002
1708999110,0cyclictest0-21swapper/209:12:052
1707599119,1cyclictest9-21ksoftirqd/008:45:200
1707599119,1cyclictest9-21ksoftirqd/008:30:120
1707599119,1cyclictest9-21ksoftirqd/007:20:130
1707599117,3cyclictest9-21ksoftirqd/010:00:050
17075991110,1cyclictest9-21ksoftirqd/011:30:160
17075991110,1cyclictest9-21ksoftirqd/011:10:010
17075991110,1cyclictest9-21ksoftirqd/010:50:090
17075991110,1cyclictest9-21ksoftirqd/009:50:010
17075991110,1cyclictest9-21ksoftirqd/008:25:010
17075991110,1cyclictest9-21ksoftirqd/008:10:110
17075991110,1cyclictest9-21ksoftirqd/007:40:020
1709499108,1cyclictest35-21ksoftirqd/311:50:123
1709499108,1cyclictest35-21ksoftirqd/308:34:593
1707599109,1cyclictest9-21ksoftirqd/007:25:190
1707599109,1cyclictest9-21ksoftirqd/007:25:180
1707599108,1cyclictest9-21ksoftirqd/008:35:170
1707599108,1cyclictest9-21ksoftirqd/007:50:120
170949998,1cyclictest10731-21diskmemload10:18:333
170949997,1cyclictest35-21ksoftirqd/308:40:003
170949997,1cyclictest10731-21diskmemload11:18:133
170949987,1cyclictest35-21ksoftirqd/309:50:133
170949987,1cyclictest35-21ksoftirqd/307:15:003
170949980,5cyclictest23815-21apt-get11:00:123
170899987,1cyclictest28-21ksoftirqd/210:12:152
170899986,1cyclictest7154-21perf07:55:012
170899986,1cyclictest61650irq/122-eno109:57:252
170899986,1cyclictest61650irq/122-eno109:57:242
170899986,1cyclictest11301-21snmpd09:43:272
170899986,1cyclictest11301-21snmpd09:39:332
170899986,1cyclictest11301-21snmpd08:04:062
170899986,1cyclictest11301-21snmpd07:30:262
170899985,3cyclictest11301-21snmpd10:45:532
170899983,3cyclictest61650irq/122-eno111:55:112
170899981,2cyclictest10731-21diskmemload11:30:142
170899980,8cyclictest61650irq/122-eno112:17:182
170899980,6cyclictest0-21swapper/209:50:012
170829980,8cyclictest0-21swapper/112:37:031
170829980,8cyclictest0-21swapper/112:31:321
170829980,8cyclictest0-21swapper/112:10:051
170829980,8cyclictest0-21swapper/112:00:281
170829980,8cyclictest0-21swapper/111:55:071
170829980,8cyclictest0-21swapper/111:41:251
170829980,8cyclictest0-21swapper/111:37:461
170829980,8cyclictest0-21swapper/111:26:211
170829980,8cyclictest0-21swapper/111:13:071
170829980,8cyclictest0-21swapper/110:56:271
170829980,8cyclictest0-21swapper/110:52:561
170829980,8cyclictest0-21swapper/110:40:141
170829980,8cyclictest0-21swapper/110:34:371
170829980,8cyclictest0-21swapper/110:29:431
170829980,8cyclictest0-21swapper/110:17:091
170829980,8cyclictest0-21swapper/109:37:071
170829980,8cyclictest0-21swapper/109:31:151
170829980,8cyclictest0-21swapper/109:28:411
170829980,7cyclictest0-21swapper/110:35:041
170829980,7cyclictest0-21swapper/110:20:041
170829980,7cyclictest0-21swapper/110:10:081
170949976,1cyclictest35-21ksoftirqd/308:45:003
170949976,1cyclictest35-21ksoftirqd/307:40:003
170949976,1cyclictest35-21ksoftirqd/307:35:013
170949976,1cyclictest11301-21snmpd12:08:003
170949976,1cyclictest11301-21snmpd08:00:143
170949976,1cyclictest11301-21snmpd07:49:143
170949976,1cyclictest11301-21snmpd07:24:293
170949975,1cyclictest8766-21cat12:10:143
170949975,1cyclictest6224-21ssh09:48:413
170949975,1cyclictest21951-21ssh11:43:233
170949975,1cyclictest11301-21snmpd11:09:413
170949975,1cyclictest11301-21snmpd10:20:503
170949975,1cyclictest10822-21ssh11:26:053
170949973,3cyclictest25113-21telnet07:25:123
170949973,3cyclictest25113-21telnet07:25:123
170949973,1cyclictest8609-21apt-get09:05:123
170949972,2cyclictest0-21swapper/309:32:563
170949971,5cyclictest19443-21munin-node08:18:433
170949971,5cyclictest10731-21diskmemload10:26:283
170949971,5cyclictest0-21swapper/312:27:303
170949971,5cyclictest0-21swapper/312:27:303
170949971,3cyclictest0-21swapper/310:13:383
170949970,6cyclictest0-21swapper/311:13:473
170949970,5cyclictest0-21swapper/310:48:383
170949970,4cyclictest0-21swapper/312:00:113
170949970,4cyclictest0-21swapper/307:50:113
170949970,1cyclictest240-21systemd-journal08:50:003
170899977,0cyclictest0-21swapper/211:11:592
170899977,0cyclictest0-21swapper/210:18:402
170899976,1cyclictest61650irq/122-eno112:30:402
170899976,1cyclictest61650irq/122-eno111:46:562
170899976,1cyclictest61650irq/122-eno110:40:012
170899976,1cyclictest61650irq/122-eno109:25:292
170899976,1cyclictest61650irq/122-eno109:23:482
170899976,1cyclictest61650irq/122-eno108:20:132
170899976,1cyclictest61650irq/122-eno107:45:102
170899976,1cyclictest28-21ksoftirqd/209:30:072
170899976,1cyclictest0-21swapper/211:28:492
170899976,0cyclictest61650irq/122-eno112:35:122
170899976,0cyclictest61650irq/122-eno112:25:462
170899976,0cyclictest61650irq/122-eno112:25:462
170899975,1cyclictest61650irq/122-eno111:00:202
170899975,1cyclictest61650irq/122-eno110:00:132
170899975,1cyclictest61650irq/122-eno108:10:122
170899975,1cyclictest4181-21ssh10:30:192
170899975,1cyclictest28479-21ntpq11:05:172
170899975,1cyclictest19883-21ssh10:07:052
170899975,1cyclictest11301-21snmpd11:41:002
170899975,1cyclictest11301-21snmpd07:38:532
170899973,3cyclictest5817-21apt09:00:002
170899972,0cyclictest26196-21apt-get11:50:102
170899970,5cyclictest0-21swapper/212:05:122
170899970,4cyclictest0-21swapper/207:25:002
170899970,1cyclictest0-21swapper/209:02:462
170829970,7cyclictest0-21swapper/112:25:021
170829970,7cyclictest0-21swapper/112:25:011
170829970,7cyclictest0-21swapper/112:20:011
170829970,7cyclictest0-21swapper/112:16:081
170829970,7cyclictest0-21swapper/112:07:431
170829970,7cyclictest0-21swapper/111:51:211
170829970,7cyclictest0-21swapper/111:45:031
170829970,7cyclictest0-21swapper/111:30:071
170829970,7cyclictest0-21swapper/111:21:591
170829970,7cyclictest0-21swapper/111:16:271
170829970,7cyclictest0-21swapper/111:07:381
170829970,7cyclictest0-21swapper/111:00:051
170829970,7cyclictest0-21swapper/110:46:591
170829970,7cyclictest0-21swapper/110:05:411
170829970,7cyclictest0-21swapper/110:01:131
170829970,7cyclictest0-21swapper/109:55:211
170829970,7cyclictest0-21swapper/109:55:211
170829970,7cyclictest0-21swapper/109:40:231
170829970,7cyclictest0-21swapper/109:21:351
170829970,7cyclictest0-21swapper/109:15:051
170829970,7cyclictest0-21swapper/109:11:201
170829970,0cyclictest0-21swapper/109:50:141
170829970,0cyclictest0-21swapper/109:45:131
170949966,0cyclictest10731-21diskmemload12:31:073
170949965,1cyclictest8466-21ssh10:36:583
170949965,1cyclictest35-21ksoftirqd/307:15:003
170949965,1cyclictest32326-21ssh09:40:013
170949965,1cyclictest23912-21ntpq11:45:173
170949965,1cyclictest21693-21ssh09:25:053
170949965,1cyclictest17040-21ssh12:20:593
170949965,1cyclictest11301-21snmpd09:21:093
170949965,1cyclictest11301-21snmpd09:01:403
170949965,1cyclictest11301-21snmpd08:07:573
170949964,1cyclictest2728-21ssh10:30:073
170949964,1cyclictest18564-21latency10:05:183
170949964,1cyclictest17744-21cat10:50:153
170949964,1cyclictest14768-21ssh10:00:133
170949964,1cyclictest12887-21ssh09:11:023
170949964,1cyclictest11415-21ssh09:55:163
170949964,1cyclictest11415-21ssh09:55:153
170949964,1cyclictest11301-21snmpd11:56:213
170949964,1cyclictest11301-21snmpd11:36:503
170949964,1cyclictest11301-21snmpd08:50:043
170949964,1cyclictest11301-21snmpd07:40:033
170949963,1cyclictest31280-21ssh09:37:223
170949963,1cyclictest12957-21fschecks_time11:30:153
170949962,3cyclictest5854-21diskstats11:20:133
170949962,3cyclictest10731-21diskmemload09:16:073
170949960,5cyclictest0-21swapper/310:57:033
170949960,4cyclictest0-21swapper/312:15:513
170949960,3cyclictest0-21swapper/310:40:533
170949960,3cyclictest0-21swapper/308:10:123
170949960,2cyclictest21334-21perf08:25:003
170949960,1cyclictest240-21systemd-journal08:59:553
170899966,0cyclictest61650irq/122-eno112:00:062
170899966,0cyclictest61650irq/122-eno111:22:222
170899966,0cyclictest61650irq/122-eno111:16:562
170899966,0cyclictest61650irq/122-eno109:07:372
170899966,0cyclictest61650irq/122-eno108:45:002
170899966,0cyclictest61650irq/122-eno108:40:492
170899966,0cyclictest61650irq/122-eno108:34:592
170899966,0cyclictest61650irq/122-eno108:18:232
170899966,0cyclictest61650irq/122-eno108:05:142
170899966,0cyclictest61650irq/122-eno107:55:142
170899966,0cyclictest61650irq/122-eno107:40:562
170899966,0cyclictest61650irq/122-eno107:16:512
170899965,1cyclictest29414-21ntpq10:20:172
170899965,0cyclictest61650irq/122-eno109:45:132
170899964,1cyclictest61650irq/122-eno110:55:172
170899964,1cyclictest11301-21snmpd11:35:112
170899961,3cyclictest0-21swapper/207:25:122
170899961,3cyclictest0-21swapper/207:25:112
170899961,2cyclictest10731-21diskmemload10:35:142
170899961,1cyclictest0-21swapper/208:35:122
170899960,5cyclictest0-21swapper/208:52:312
170899960,4cyclictest9047-21ntp_offset12:10:152
170899960,1cyclictest0-21swapper/207:10:012
170829960,6cyclictest0-21swapper/108:18:301
170829960,6cyclictest0-21swapper/108:05:161
170829960,5cyclictest0-21swapper/107:50:001
170829960,5cyclictest0-21swapper/107:40:011
170829960,5cyclictest0-21swapper/107:15:011
170829960,1cyclictest0-21swapper/109:05:001
170829960,1cyclictest0-21swapper/107:15:001
170829960,0cyclictest0-21swapper/108:40:171
170829960,0cyclictest0-21swapper/107:42:311
170829960,0cyclictest0-21swapper/107:25:201
170829960,0cyclictest0-21swapper/107:25:201
170949954,1cyclictest35-21ksoftirqd/308:25:133
170949953,1cyclictest7904-21fschecks_count07:55:153
170949953,1cyclictest25513-21apt-get12:35:113
170899955,0cyclictest61650irq/122-eno108:25:082
170829950,5cyclictest0-21swapper/108:13:311
170829950,5cyclictest0-21swapper/107:50:191
170829950,3cyclictest0-21swapper/108:45:101
170829950,1cyclictest0-21swapper/108:55:121
170829950,0cyclictest0-21swapper/108:02:361
170829950,0cyclictest0-21swapper/107:55:191
170829950,0cyclictest0-21swapper/107:30:191
170829941,2cyclictest0-21swapper/108:20:191
170829940,4cyclictest0-21swapper/108:30:361
170829940,4cyclictest0-21swapper/108:25:071
170829940,3cyclictest0-21swapper/107:20:111
170829940,0cyclictest0-21swapper/109:09:381
170829940,0cyclictest0-21swapper/108:50:081
170829930,1cyclictest0-21swapper/108:35:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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