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2026-08-18 - 22:28
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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 792 highest latencies:
System rack1slot1.osadl.org (updated Tue Aug 18, 2026 12:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2820324280,9sleep335-21ksoftirqd/307:05:173
290532229156,25sleep00-21swapper/007:06:480
292602210173,24sleep10-21swapper/107:09:311
291372200161,25sleep20-21swapper/207:07:552
304292170,0sleep20-21swapper/207:10:152
29386991614,1cyclictest29499-21df10:05:140
35732150,0sleep10-21swapper/107:20:151
29386991513,1cyclictest31358-21which12:25:150
29386991513,1cyclictest22054-21diskmemload09:30:120
29386991413,1cyclictest22054-21diskmemload11:10:130
29386991413,1cyclictest0-21swapper/012:00:120
29386991413,1cyclictest0-21swapper/011:35:220
29386991413,1cyclictest0-21swapper/010:58:130
29386991413,1cyclictest0-21swapper/008:45:140
29386991412,1cyclictest29773-21unixbench_singl10:50:200
29386991412,1cyclictest0-21swapper/010:10:200
29386991411,2cyclictest16800-21fschecks_time12:05:150
29386991411,2cyclictest0-21swapper/007:20:120
29386991312,1cyclictest22054-21diskmemload11:24:100
29386991312,1cyclictest17182-21ssh09:46:460
29386991312,1cyclictest0-21swapper/007:45:190
29386991311,1cyclictest13641-21hddtemp_smartct08:50:150
2938699124,7cyclictest26464-21perl09:15:170
2938699124,7cyclictest20144-21apt-get11:25:120
2938699124,5cyclictest21865-21cat09:55:000
2938699123,8cyclictest5567-21ssh11:04:050
2938699123,8cyclictest22054-21diskmemload12:35:110
2938699123,8cyclictest22054-21diskmemload10:17:570
2938699123,8cyclictest15033-21ssh11:15:430
2938699123,8cyclictest0-21swapper/010:30:130
2938699123,6cyclictest10308-21ntp_states11:55:180
2938699123,1cyclictest26780-21ssh12:20:030
2938699122,9cyclictest22054-21diskmemload10:42:090
29386991211,1cyclictest22054-21diskmemload12:19:020
29386991211,1cyclictest22054-21diskmemload11:54:040
29386991211,1cyclictest22054-21diskmemload11:48:450
29386991211,1cyclictest22054-21diskmemload09:11:140
29386991211,1cyclictest0-21swapper/012:31:430
29386991211,1cyclictest0-21swapper/011:41:370
29386991211,1cyclictest0-21swapper/010:35:220
29386991211,1cyclictest0-21swapper/010:02:270
29386991211,1cyclictest0-21swapper/009:40:100
29386991211,1cyclictest0-21swapper/009:20:190
2938699119,2cyclictest0-21swapper/007:40:110
2938699119,1cyclictest19630-21basename12:10:120
2938699119,1cyclictest0-21swapper/010:20:130
2938699118,2cyclictest22054-21diskmemload10:25:240
2938699114,6cyclictest30909-21/usr/sbin/munin08:20:200
2938699113,1cyclictest21146-21chrt07:59:230
2938699112,1cyclictest10765-21ssh09:39:250
29386991110,1cyclictest22054-21diskmemload10:45:170
29386991110,1cyclictest22054-21diskmemload09:56:170
29386991110,1cyclictest0-21swapper/011:30:180
29386991110,1cyclictest0-21swapper/011:05:130
29386991110,1cyclictest0-21swapper/009:05:190
29386991110,1cyclictest0-21swapper/008:40:170
2939199108,1cyclictest28-21ksoftirqd/210:00:002
2939199100,9cyclictest0-21swapper/211:45:132
2938699109,1cyclictest0-21swapper/009:25:150
2938699104,4cyclictest0-21swapper/008:35:170
2938699103,5cyclictest0-21swapper/008:25:150
294019998,1cyclictest35-21ksoftirqd/312:40:003
294019994,4cyclictest12024-21/usr/sbin/munin07:40:193
294019994,2cyclictest559-21cron10:40:003
294019990,8cyclictest16123-21apt-get12:05:123
294019990,8cyclictest0-21swapper/308:53:373
293919998,1cyclictest0-21swapper/207:43:012
293919991,7cyclictest61650irq/122-eno111:33:142
293919990,7cyclictest26827-21apt-get12:20:112
293889990,1cyclictest0-21swapper/112:05:111
293869998,1cyclictest0-21swapper/008:30:140
293869998,1cyclictest0-21swapper/008:15:120
293869996,2cyclictest22145-21fschecks_time08:00:150
293869990,1cyclictest0-21swapper/007:12:290
294019987,1cyclictest35-21ksoftirqd/307:48:333
294019986,1cyclictest22054-21diskmemload09:22:213
294019986,1cyclictest11301-21snmpd09:41:023
294019986,1cyclictest11301-21snmpd09:00:273
294019982,4cyclictest3531-21apt-get10:15:093
293919988,0cyclictest61650irq/122-eno112:38:232
293919987,1cyclictest2293-21sh10:59:532
293919986,1cyclictest61650irq/122-eno112:25:112
293919986,1cyclictest61650irq/122-eno112:05:142
293919986,1cyclictest61650irq/122-eno111:20:222
293919986,1cyclictest61650irq/122-eno109:42:352
293919986,1cyclictest61650irq/122-eno109:40:002
293919986,1cyclictest61650irq/122-eno109:20:192
293919986,1cyclictest61650irq/122-eno109:15:152
293919986,1cyclictest61650irq/122-eno107:30:152
293919986,1cyclictest28-21ksoftirqd/207:28:392
293919986,1cyclictest26341-21sendmail12:20:002
293919986,1cyclictest11301-21snmpd10:01:112
293919986,1cyclictest11301-21snmpd08:01:502
293919984,2cyclictest240-21systemd-journal10:25:002
293919980,8cyclictest0-21swapper/210:06:262
293919980,7cyclictest20770-21cut11:25:152
293919980,7cyclictest0-21swapper/212:30:192
293889982,3cyclictest0-21swapper/111:13:181
293889981,6cyclictest0-21swapper/107:20:001
293889981,3cyclictest0-21swapper/110:10:221
293889980,8cyclictest0-21swapper/112:25:421
293869986,1cyclictest4942-21taskset07:25:110
293869985,2cyclictest32668-21taskset07:15:120
293869985,2cyclictest26816-21perl08:10:140
293869984,2cyclictest240-21systemd-journal09:00:000
293869982,5cyclictest11301-21snmpd07:35:120
294019977,0cyclictest35-21ksoftirqd/310:15:013
294019976,1cyclictest35-21ksoftirqd/310:30:453
294019976,1cyclictest11301-21snmpd11:55:173
294019976,1cyclictest11301-21snmpd11:43:503
294019976,1cyclictest11301-21snmpd10:05:203
294019976,1cyclictest11301-21snmpd08:47:363
294019975,1cyclictest8209-21ntpq10:20:183
294019975,1cyclictest12956-21ssh10:27:243
294019975,1cyclictest11301-21snmpd11:37:403
294019975,1cyclictest11301-21snmpd08:09:503
294019975,0cyclictest22054-21diskmemload10:47:493
294019974,2cyclictest9415-21cron07:35:013
294019974,1cyclictest240-21systemd-journal11:50:003
294019973,1cyclictest614-21awk08:24:593
294019972,3cyclictest9653-21apt-get07:35:113
294019972,2cyclictest548-21systemd-logind11:02:083
294019972,2cyclictest22054-21diskmemload12:20:023
294019972,2cyclictest22054-21diskmemload09:45:113
294019971,5cyclictest23637-21latency_hist08:05:003
294019971,3cyclictest22054-21diskmemload12:25:463
294019971,3cyclictest0-21swapper/310:54:023
294019970,6cyclictest31509-21ssh10:55:063
294019970,5cyclictest0-21swapper/311:25:123
294019970,2cyclictest0-21swapper/309:36:123
294019970,1cyclictest31744-21munin-node11:15:123
293919976,1cyclictest61650irq/122-eno111:06:252
293919976,1cyclictest61650irq/122-eno110:45:192
293919976,1cyclictest61650irq/122-eno110:34:432
293919976,1cyclictest61650irq/122-eno110:19:402
293919976,1cyclictest61650irq/122-eno109:10:122
293919976,1cyclictest31266-21idleruntime-cro10:55:002
293919976,1cyclictest11301-21snmpd09:06:462
293919975,1cyclictest6878-21ssh09:33:132
293919975,1cyclictest61650irq/122-eno112:10:152
293919975,1cyclictest61650irq/122-eno111:55:182
293919975,1cyclictest61650irq/122-eno108:40:142
293919975,1cyclictest22054-21diskmemload11:40:112
293919975,1cyclictest11301-21snmpd10:40:272
293919975,1cyclictest11301-21snmpd08:46:542
293919972,3cyclictest16738-21apt-get07:50:112
293919971,5cyclictest0-21swapper/207:20:132
293919970,6cyclictest16782-21ssh09:45:282
293919970,6cyclictest12955-21ssh10:27:242
293889972,4cyclictest28680-21taskset09:19:101
293889970,6cyclictest0-21swapper/111:30:081
293889970,5cyclictest0-21swapper/110:55:121
293889970,2cyclictest0-21swapper/111:50:121
293889970,1cyclictest0-21swapper/112:20:111
293869976,1cyclictest11301-21snmpd08:55:120
293869976,1cyclictest0-21swapper/007:50:110
293869974,2cyclictest7299-21apt-get07:30:120
293869974,2cyclictest23928-21aten_r1power_po08:05:130
294019965,1cyclictest693-21runrttasks10:01:173
294019965,1cyclictest28133-21ssh09:17:193
294019965,1cyclictest25331-21ssh12:16:483
294019965,1cyclictest25072-21ssh11:30:203
294019965,1cyclictest20384-21ssh09:50:473
294019964,1cyclictest5995-21ssh09:30:253
294019964,1cyclictest2405-21ssh09:25:383
294019964,1cyclictest11301-21snmpd08:59:033
294019964,1cyclictest11301-21snmpd08:41:033
294019964,1cyclictest11301-21snmpd08:33:033
294019964,1cyclictest11301-21snmpd08:27:503
294019964,1cyclictest1006-21tail07:15:153
294019963,1cyclictest240-21systemd-journal12:10:003
294019963,1cyclictest240-21systemd-journal08:00:003
294019962,2cyclictest22054-21diskmemload11:20:323
294019961,4cyclictest25324-1kworker/u9:112:32:593
294019961,4cyclictest19922-21apt-get09:05:133
294019960,6cyclictest0-21swapper/311:11:543
294019960,3cyclictest0-21swapper/311:45:133
294019960,2cyclictest0-21swapper/310:43:483
294019960,2cyclictest0-21swapper/309:11:383
294019960,1cyclictest7640-21switchtime11:05:203
293919966,0cyclictest61650irq/122-eno112:03:102
293919966,0cyclictest61650irq/122-eno111:50:042
293919966,0cyclictest61650irq/122-eno111:15:182
293919966,0cyclictest61650irq/122-eno111:00:142
293919966,0cyclictest61650irq/122-eno110:35:212
293919966,0cyclictest61650irq/122-eno108:52:522
293919966,0cyclictest61650irq/122-eno108:27:552
293919966,0cyclictest61650irq/122-eno108:10:182
293919966,0cyclictest61650irq/122-eno108:07:292
293919966,0cyclictest61650irq/122-eno107:58:032
293919965,1cyclictest61650irq/122-eno108:30:132
293919965,1cyclictest11301-21snmpd07:48:152
293919964,1cyclictest61650irq/122-eno111:10:172
293919964,1cyclictest61650irq/122-eno109:00:162
293919964,1cyclictest61650irq/122-eno108:35:092
293919964,1cyclictest61650irq/122-eno107:35:142
293919964,1cyclictest32471-21ssh10:10:122
293919964,1cyclictest28-21ksoftirqd/208:15:102
293919961,5cyclictest0-21swapper/208:22:052
293919961,2cyclictest240-21systemd-journal11:36:082
293919960,3cyclictest0-21swapper/209:25:042
293919960,2cyclictest0-21swapper/209:50:102
293889966,0cyclictest0-21swapper/112:00:181
293889961,5cyclictest0-21swapper/108:34:541
293889961,3cyclictest0-21swapper/109:45:171
293889961,2cyclictest0-21swapper/110:32:361
293889960,6cyclictest0-21swapper/111:38:471
293889960,6cyclictest0-21swapper/111:15:121
293889960,6cyclictest0-21swapper/111:09:521
293889960,6cyclictest0-21swapper/110:47:301
293889960,6cyclictest0-21swapper/110:25:051
293889960,6cyclictest0-21swapper/109:57:451
293889960,6cyclictest0-21swapper/109:08:511
293889960,6cyclictest0-21swapper/109:03:041
293889960,6cyclictest0-21swapper/108:35:161
293889960,6cyclictest0-21swapper/108:14:341
293889960,5cyclictest0-21swapper/110:00:201
293889960,3cyclictest0-21swapper/112:32:371
293889960,3cyclictest0-21swapper/111:22:561
293889960,2cyclictest0-21swapper/112:35:211
293889960,2cyclictest0-21swapper/109:42:471
293889960,1cyclictest0-21swapper/111:29:011
293889960,1cyclictest0-21swapper/111:03:221
293889960,1cyclictest0-21swapper/108:17:021
29285260,0sleep10-21swapper/109:20:101
15133260,0sleep30-21swapper/312:02:453
294019953,1cyclictest35-21ksoftirqd/307:10:393
294019953,1cyclictest27396-21ls08:10:183
294019953,1cyclictest11301-21snmpd07:51:093
294019950,5cyclictest0-21swapper/307:25:133
294019950,4cyclictest0-21swapper/309:56:433
294019950,1cyclictest240-21systemd-journal08:20:003
293919955,0cyclictest61650irq/122-eno108:55:122
293919950,1cyclictest0-21swapper/207:15:142
293889955,0cyclictest0-21swapper/109:10:351
293889951,1cyclictest0-21swapper/109:25:161
293889950,5cyclictest0-21swapper/111:41:211
293889950,5cyclictest0-21swapper/110:37:241
293889950,5cyclictest0-21swapper/110:21:351
293889950,5cyclictest0-21swapper/109:36:371
293889950,5cyclictest0-21swapper/107:53:001
293889950,5cyclictest0-21swapper/107:43:121
293889950,5cyclictest0-21swapper/107:25:151
293889950,4cyclictest0-21swapper/110:09:101
293889950,4cyclictest0-21swapper/108:40:161
293889950,4cyclictest0-21swapper/107:40:011
293889950,3cyclictest0-21swapper/112:11:441
293889950,3cyclictest0-21swapper/111:58:121
293889950,3cyclictest0-21swapper/107:30:121
293889950,2cyclictest0-21swapper/110:51:361
293889950,2cyclictest0-21swapper/109:30:161
293889950,2cyclictest0-21swapper/108:45:131
293889950,1cyclictest0-21swapper/108:05:121
293889950,0cyclictest0-21swapper/112:17:501
293889950,0cyclictest0-21swapper/107:45:391
294019943,1cyclictest3432-21basename07:20:143
294019940,1cyclictest240-21systemd-journal08:35:023
293889944,0cyclictest0-21swapper/108:27:551
293889944,0cyclictest0-21swapper/108:00:211
293889941,1cyclictest0-21swapper/107:10:111
293889941,0cyclictest0-21swapper/111:45:021
293889940,4cyclictest0-21swapper/108:55:341
293889940,4cyclictest0-21swapper/108:20:201
293889940,1cyclictest0-21swapper/110:15:421
293889940,1cyclictest0-21swapper/109:50:191
293889940,1cyclictest0-21swapper/108:54:591
293889940,0cyclictest0-21swapper/110:40:211
293889940,0cyclictest0-21swapper/107:55:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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