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2026-09-08 - 20:02
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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 Tue Sep 08, 2026 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
141162217157,47sleep10-21swapper/107:08:021
141752212157,43sleep30-21swapper/307:08:483
139612202162,26sleep00-21swapper/007:05:590
142592199159,26sleep20-21swapper/207:09:522
196942570,0sleep20-21swapper/208:25:202
165662570,0sleep00-21swapper/010:07:140
5892560,1sleep2547-21perf12:05:002
14377991615,1cyclictest28-21ksoftirqd/212:06:392
18662140,0sleep121-21ksoftirqd/108:55:181
14377991412,2cyclictest28-21ksoftirqd/211:51:042
1437799130,12cyclictest0-21swapper/211:25:172
1437099130,12cyclictest0-21swapper/111:25:151
14377991211,1cyclictest28-21ksoftirqd/209:57:072
14377991211,1cyclictest28-21ksoftirqd/209:05:002
14368991210,1cyclictest9-21ksoftirqd/008:30:000
1436899120,12cyclictest0-21swapper/011:10:100
1438599111,6cyclictest8985-21apt-get08:05:113
1437799119,1cyclictest28-21ksoftirqd/211:11:482
1437799119,0cyclictest28-21ksoftirqd/209:52:332
1437799115,4cyclictest240-21systemd-journal11:45:002
14377991111,0cyclictest28-21ksoftirqd/210:26:592
14377991110,1cyclictest28-21ksoftirqd/212:36:162
14377991110,1cyclictest28-21ksoftirqd/212:20:122
14377991110,1cyclictest28-21ksoftirqd/212:10:152
14377991110,1cyclictest28-21ksoftirqd/211:59:422
14377991110,1cyclictest28-21ksoftirqd/211:15:132
1436899119,1cyclictest9-21ksoftirqd/011:40:000
14368991110,1cyclictest9-21ksoftirqd/009:25:010
1436899110,5cyclictest7049-21cat09:10:000
1438599100,7cyclictest2607-21kworker/u8:111:01:513
1437799109,1cyclictest28-21ksoftirqd/211:35:222
1437799109,1cyclictest28-21ksoftirqd/210:20:172
1437799109,1cyclictest28-21ksoftirqd/210:00:182
1437799109,1cyclictest28-21ksoftirqd/208:25:002
1437799109,0cyclictest28-21ksoftirqd/211:45:152
1437799108,1cyclictest28-21ksoftirqd/210:50:202
1437799108,1cyclictest28-21ksoftirqd/209:26:362
14377991010,0cyclictest28-21ksoftirqd/210:35:002
1436899109,1cyclictest9-21ksoftirqd/007:15:000
1436899108,1cyclictest9-21ksoftirqd/011:51:170
143859998,1cyclictest1982-21sendmail-mta12:25:523
143859997,1cyclictest35-21ksoftirqd/309:00:013
143859990,9cyclictest0-21swapper/311:07:213
143859990,4cyclictest22334-21apt-get07:25:103
143779999,0cyclictest28-21ksoftirqd/212:29:362
143779999,0cyclictest28-21ksoftirqd/210:40:182
143779999,0cyclictest28-21ksoftirqd/209:20:122
143779998,1cyclictest28-21ksoftirqd/211:30:162
143779998,1cyclictest28-21ksoftirqd/211:23:422
143779998,1cyclictest28-21ksoftirqd/210:55:172
143779998,1cyclictest28-21ksoftirqd/210:07:312
143779998,1cyclictest28-21ksoftirqd/209:45:142
143779998,1cyclictest28-21ksoftirqd/209:39:372
143779998,1cyclictest28-21ksoftirqd/209:30:012
143779997,1cyclictest28-21ksoftirqd/210:15:152
143779997,1cyclictest28-21ksoftirqd/208:40:232
143779997,1cyclictest28-21ksoftirqd/208:00:132
143779992,6cyclictest18478-21apt-get12:30:112
143689998,1cyclictest9-21ksoftirqd/011:30:140
143689998,1cyclictest9-21ksoftirqd/011:30:000
143689998,1cyclictest9-21ksoftirqd/010:55:000
143689998,1cyclictest9-21ksoftirqd/010:45:010
143689998,1cyclictest9-21ksoftirqd/010:15:170
143689997,1cyclictest9-21ksoftirqd/010:00:000
143689992,6cyclictest21502-21perf09:30:000
143859988,0cyclictest35-21ksoftirqd/312:13:553
143859988,0cyclictest35-21ksoftirqd/309:26:463
143859986,1cyclictest11301-21snmpd11:57:043
143859986,1cyclictest11301-21snmpd10:44:473
143859986,1cyclictest11301-21snmpd09:23:563
143859984,3cyclictest11301-21snmpd10:05:463
143859980,4cyclictest28170-21taskset10:25:103
143779988,0cyclictest28-21ksoftirqd/210:48:212
143779987,1cyclictest28-21ksoftirqd/211:00:142
143779987,1cyclictest28-21ksoftirqd/209:11:082
143779987,1cyclictest28-21ksoftirqd/208:55:002
143779987,1cyclictest28-21ksoftirqd/207:30:242
143779987,1cyclictest28-21ksoftirqd/207:25:132
143779986,1cyclictest61650irq/122-eno110:35:162
143779986,1cyclictest61650irq/122-eno109:40:202
143779986,1cyclictest28-21ksoftirqd/211:08:222
143779986,1cyclictest28-21ksoftirqd/207:25:002
143779986,1cyclictest11301-21snmpd09:15:142
143689988,0cyclictest9-21ksoftirqd/012:10:000
143689987,1cyclictest9068-21ssh09:10:340
143689987,1cyclictest9-21ksoftirqd/012:20:010
143689987,1cyclictest9-21ksoftirqd/011:20:200
143689987,1cyclictest9-21ksoftirqd/010:40:000
143689987,1cyclictest9-21ksoftirqd/010:00:110
143689987,1cyclictest9-21ksoftirqd/007:40:000
143689986,1cyclictest11301-21snmpd08:13:000
143689981,6cyclictest22468-21diskstats12:35:130
143689981,1cyclictest19508-21ssh10:10:280
143689980,7cyclictest13068-21ssh09:17:060
143689980,7cyclictest0-21swapper/009:30:170
143859976,1cyclictest35-21ksoftirqd/308:50:003
143859976,1cyclictest35-21ksoftirqd/307:14:213
143859976,1cyclictest1243-21ntpq09:45:193
143859976,1cyclictest11301-21snmpd11:12:393
143859975,1cyclictest9745-21ssh09:58:273
143859975,1cyclictest27968-21ssh09:38:203
143859975,1cyclictest21029-21ssh12:32:533
143859975,1cyclictest11301-21snmpd10:19:223
143859971,5cyclictest0-21swapper/310:50:123
143859971,4cyclictest7003-21diskmemload09:13:233
143859971,4cyclictest0-21swapper/310:35:133
143859970,2cyclictest0-21swapper/311:31:243
143779976,1cyclictest28-21ksoftirqd/212:15:172
143779976,1cyclictest28-21ksoftirqd/207:55:002
143779975,1cyclictest28-21ksoftirqd/208:30:132
143779975,1cyclictest11422-21kworker/2:208:35:142
143779975,1cyclictest11422-21kworker/2:208:35:142
143779972,4cyclictest29619-21apt-get07:40:132
143779972,2cyclictest15842-21ls08:20:002
143779971,3cyclictest14560-21apt-get07:10:122
143779970,6cyclictest693-21runrttasks10:11:492
143709972,2cyclictest0-21swapper/110:35:131
143709971,5cyclictest13055-21chrt10:02:111
143709971,4cyclictest0-21swapper/107:20:121
143709971,1cyclictest0-21swapper/112:27:151
143709970,6cyclictest0-21swapper/111:50:161
143709970,6cyclictest0-21swapper/111:20:421
143709970,6cyclictest0-21swapper/111:05:141
143709970,6cyclictest0-21swapper/109:50:001
143709970,5cyclictest0-21swapper/109:20:151
143709970,4cyclictest0-21swapper/111:55:181
143709970,1cyclictest0-21swapper/111:32:211
143709970,1cyclictest0-21swapper/109:26:541
143689976,1cyclictest11301-21snmpd11:04:240
143689976,1cyclictest11301-21snmpd07:51:410
143689975,1cyclictest6735-21ssh12:12:250
143689975,1cyclictest27073-21awk09:35:230
143689975,1cyclictest18475-21/usr/sbin/munin12:30:180
143689970,6cyclictest7003-21diskmemload10:25:010
143689970,6cyclictest29787-21/usr/sbin/munin12:00:140
143689970,6cyclictest22275-21sshd11:49:500
143689970,6cyclictest11915-21cat12:20:110
143689970,6cyclictest0-21swapper/009:45:120
143689970,6cyclictest0-21swapper/009:00:190
143689970,6cyclictest0-21swapper/007:30:250
143689970,6cyclictest0-21swapper/007:20:120
143689970,4cyclictest16713-21munin-node08:08:130
143689970,1cyclictest7003-21diskmemload09:51:550
143689970,1cyclictest31553-21ssh09:42:550
143689970,1cyclictest30774-21egrep11:15:130
143689970,1cyclictest29031-21ntp_states08:45:180
143689970,1cyclictest25296-21fschecks_count10:20:120
143689970,1cyclictest24116-21ls08:35:180
143689970,1cyclictest24116-21ls08:35:170
143689970,1cyclictest16680-21apt-get10:55:120
143689970,1cyclictest14956-21ssh12:25:010
143689970,1cyclictest10730-21memory10:45:160
143689970,1cyclictest0-21swapper/011:40:150
143859965,1cyclictest588-21ssh10:30:213
143859965,1cyclictest32470-21ssh11:15:373
143859965,1cyclictest20591-21ssh10:14:023
143859965,1cyclictest18125-21ssh11:42:383
143859965,1cyclictest11301-21snmpd08:35:013
143859965,1cyclictest11301-21snmpd08:35:013
143859965,1cyclictest11301-21snmpd07:45:543
143859964,1cyclictest7266-21ssh11:26:283
143859964,1cyclictest27632-21cron08:45:003
143859964,1cyclictest11301-21snmpd08:26:393
143859963,1cyclictest548-21systemd-logind10:45:193
143859962,2cyclictest0-21swapper/311:45:123
143859961,3cyclictest7003-21diskmemload12:21:193
143859961,3cyclictest7003-21diskmemload09:42:223
143859961,1cyclictest0-21swapper/311:38:073
143859960,5cyclictest10698-21apt-get09:15:123
143859960,4cyclictest1692-21/usr/sbin/munin12:05:153
143859960,4cyclictest0-21swapper/312:36:073
143859960,3cyclictest0-21swapper/312:17:223
143859960,3cyclictest0-21swapper/311:21:553
143859960,3cyclictest0-21swapper/310:59:543
143859960,3cyclictest0-21swapper/309:50:413
143859960,2cyclictest0-21swapper/311:53:243
143859960,1cyclictest26465-21/usr/sbin/munin10:20:193
143779966,0cyclictest61650irq/122-eno109:06:322
143779965,1cyclictest28-21ksoftirqd/207:55:152
143779965,1cyclictest0-21swapper/208:55:042
143779964,1cyclictest61650irq/122-eno108:05:132
143779964,1cyclictest28-21ksoftirqd/207:50:002
143779964,1cyclictest28-21ksoftirqd/207:35:172
143779964,1cyclictest11301-21snmpd08:46:522
143779960,5cyclictest0-21swapper/208:12:152
143779960,5cyclictest0-21swapper/207:15:132
143709961,5cyclictest0-21swapper/107:32:531
143709961,2cyclictest0-21swapper/110:30:231
143709960,6cyclictest0-21swapper/112:39:071
143709960,6cyclictest0-21swapper/112:18:181
143709960,6cyclictest0-21swapper/112:12:201
143709960,6cyclictest0-21swapper/111:49:071
143709960,6cyclictest0-21swapper/111:37:441
143709960,6cyclictest0-21swapper/110:43:321
143709960,6cyclictest0-21swapper/107:12:221
143709960,5cyclictest0-21swapper/109:55:011
143709960,3cyclictest0-21swapper/110:15:211
143709960,2cyclictest203072sleep112:30:311
143709960,2cyclictest0-21swapper/111:44:551
143709960,1cyclictest0-21swapper/110:23:141
143709960,0cyclictest0-21swapper/110:06:591
143689965,1cyclictest9-21ksoftirqd/011:05:140
143689965,1cyclictest9-21ksoftirqd/007:15:000
143689961,4cyclictest30551-21cstates08:50:130
143689960,6cyclictest705-21ntp_states07:45:170
143689960,6cyclictest0-21swapper/008:40:220
143689960,6cyclictest0-21swapper/008:34:210
143689960,6cyclictest0-21swapper/008:18:220
143689960,5cyclictest31673-21apt-get10:30:140
143689960,5cyclictest26101-21apt-get11:55:120
143689960,1cyclictest22799-21cat07:25:120
143689960,1cyclictest0-21swapper/008:57:540
143859954,1cyclictest31604-21ssh12:00:273
143859954,1cyclictest12921-21ssh10:01:433
143859954,1cyclictest11301-21snmpd07:21:433
143859953,1cyclictest31880-21tail08:50:193
143859953,1cyclictest28410-21sendmail_mailtr07:35:183
143859953,1cyclictest21739-21/usr/sbin/munin09:30:173
143859953,1cyclictest19718-21cron07:20:003
143859953,0cyclictest13650irq/124-ahci[0008:19:273
143859952,1cyclictest240-21systemd-journal09:00:003
143859952,1cyclictest1980-21aten_r1power_fr07:50:113
143859951,0cyclictest16085-21apt-get08:20:133
143709955,0cyclictest0-21swapper/112:03:211
143709955,0cyclictest0-21swapper/109:31:481
143709955,0cyclictest0-21swapper/107:45:131
143709951,3cyclictest0-21swapper/109:35:121
143709951,1cyclictest0-21swapper/112:20:231
143709950,5cyclictest0-21swapper/109:51:111
143709950,5cyclictest0-21swapper/109:40:211
143709950,5cyclictest0-21swapper/109:09:551
143709950,5cyclictest0-21swapper/108:30:081
143709950,5cyclictest0-21swapper/108:10:031
143709950,4cyclictest0-21swapper/108:45:151
143709950,3cyclictest0-21swapper/111:00:171
143709950,3cyclictest0-21swapper/110:26:201
143709950,2cyclictest0-21swapper/110:10:221
143709950,2cyclictest0-21swapper/109:15:201
143709950,2cyclictest0-21swapper/108:30:001
143709950,1cyclictest0-21swapper/107:15:121
143709950,0cyclictest0-21swapper/111:11:101
143709950,0cyclictest0-21swapper/110:58:241
143689950,5cyclictest0-21swapper/008:20:190
143689950,5cyclictest0-21swapper/007:40:160
143689950,4cyclictest6628-21/usr/sbin/munin08:00:110
143689950,0cyclictest0-21swapper/007:56:070
143859943,1cyclictest25202-21diskstats07:30:173
143859941,1cyclictest21941-21/usr/sbin/munin08:30:163
143859940,2cyclictest4260-21apt-get07:55:123
143859940,2cyclictest12709-21grep08:10:203
143859940,1cyclictest240-21systemd-journal07:40:013
143859940,1cyclictest0-21swapper/309:05:123
143859940,1cyclictest0-21swapper/308:00:113
143709941,2cyclictest10926-21chrt08:07:531
143709941,2cyclictest0-21swapper/108:50:131
143709941,1cyclictest0-21swapper/109:10:111
143709940,3cyclictest0-21swapper/112:05:191
143709940,3cyclictest0-21swapper/111:15:171
143709940,3cyclictest0-21swapper/108:15:111
143709940,2cyclictest0-21swapper/110:45:351
143709940,2cyclictest0-21swapper/108:35:151
143709940,2cyclictest0-21swapper/108:35:151
143709940,1cyclictest0-21swapper/110:50:261
143709940,1cyclictest0-21swapper/109:00:201
143709940,1cyclictest0-21swapper/108:40:191
143709940,1cyclictest0-21swapper/107:35:111
143709940,1cyclictest0-21swapper/107:25:131
143709940,0cyclictest0-21swapper/107:57:031
143709940,0cyclictest0-21swapper/107:50:181
143709931,1cyclictest0-21swapper/108:00:111
143709930,3cyclictest0-21swapper/108:20:101
143709930,3cyclictest0-21swapper/107:40:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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