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2026-08-17 - 16:07
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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 Aug 17, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
100612205150,21sleep10-21swapper/107:08:261
101472204140,20sleep00-21swapper/007:09:330
98632199161,25sleep30-21swapper/307:05:503
100322197160,24sleep20-21swapper/207:08:012
290512720,0sleep00-21swapper/010:30:210
304032700,0sleep10-21swapper/107:50:141
38692600,0sleep00-21swapper/010:40:230
88992130,0sleep335-21ksoftirqd/310:01:443
1029799110,10cyclictest0-21swapper/209:20:192
1028999110,11cyclictest0-21swapper/107:35:181
1028299100,3cyclictest24192-21apt-get10:25:110
5572290,1sleep10-21swapper/109:12:131
5246297,1sleep228-21ksoftirqd/211:30:002
102979998,1cyclictest22809-21ssh11:07:142
102979990,6cyclictest1982-21sendmail-mta09:57:162
102829997,1cyclictest733-21sshd10:55:360
103059986,1cyclictest11301-21snmpd12:14:543
103059986,1cyclictest11301-21snmpd09:55:373
103059986,1cyclictest11301-21snmpd09:48:493
103059986,1cyclictest11301-21snmpd09:06:093
103059986,1cyclictest11301-21snmpd07:13:513
103059982,2cyclictest2917-21diskmemload12:15:023
103059980,7cyclictest25912-21perf08:50:003
103059980,6cyclictest0-21swapper/312:07:433
103059980,5cyclictest0-21swapper/309:28:313
102979986,1cyclictest11301-21snmpd07:59:382
102979986,1cyclictest11301-21snmpd07:28:132
102899981,5cyclictest0-21swapper/112:25:171
102899980,8cyclictest0-21swapper/107:40:141
102829987,1cyclictest23174-21ssh10:22:380
102829987,1cyclictest23174-21ssh10:22:370
102829986,1cyclictest11301-21snmpd10:12:130
102829986,1cyclictest11301-21snmpd09:25:570
102829986,1cyclictest11301-21snmpd09:03:000
102829986,1cyclictest11301-21snmpd07:38:070
102829983,1cyclictest786-21/usr/sbin/munin09:05:160
102829981,6cyclictest2917-21diskmemload11:50:110
102829980,7cyclictest30301-21apt-get12:05:120
102829980,7cyclictest20136-21seq09:32:060
102829980,7cyclictest17659-21ssh12:31:590
102829980,5cyclictest26792-21ssh12:00:110
102829980,4cyclictest0-21swapper/010:55:000
103059976,1cyclictest35-21ksoftirqd/309:54:323
103059976,1cyclictest35-21ksoftirqd/308:20:003
103059975,1cyclictest35-21ksoftirqd/308:20:123
103059975,1cyclictest28892-21ntpq10:30:203
103059975,1cyclictest11301-21snmpd12:00:443
103059975,1cyclictest11301-21snmpd11:14:493
103059975,1cyclictest11301-21snmpd10:55:233
103059975,1cyclictest11301-21snmpd08:25:113
103059975,1cyclictest11301-21snmpd07:49:363
103059975,1cyclictest11301-21snmpd07:24:283
103059974,1cyclictest13650irq/124-ahci[0010:19:543
103059974,1cyclictest13650irq/124-ahci[0007:19:553
103059972,3cyclictest21085-21munin-plugin-st09:34:593
103059971,5cyclictest23329-21kworker/u8:109:39:153
103059970,6cyclictest9033-21apt-get11:35:103
103059970,6cyclictest11960-21telnet12:25:133
103059970,4cyclictest0-21swapper/311:28:523
103059970,3cyclictest0-21swapper/312:35:183
103059970,3cyclictest0-21swapper/310:38:093
103059970,3cyclictest0-21swapper/309:22:053
103059970,1cyclictest0-21swapper/310:50:133
102979976,1cyclictest61650irq/122-eno111:40:122
102979976,1cyclictest61650irq/122-eno110:04:012
102979976,1cyclictest61650irq/122-eno109:25:532
102979976,1cyclictest11301-21snmpd09:40:332
102979975,1cyclictest61650irq/122-eno109:45:142
102979975,1cyclictest61650irq/122-eno108:35:162
102979975,1cyclictest11301-21snmpd11:53:472
102979973,4cyclictest12932-21cut07:15:012
102979973,3cyclictest10268-21cyclictest12:38:302
102979973,2cyclictest548-21systemd-logind07:45:192
102979972,4cyclictest21942-21diskstats08:40:152
102979971,3cyclictest2917-21diskmemload11:00:142
102979970,5cyclictest23251-21apt-get11:55:102
102979970,3cyclictest557-21irqbalance11:38:372
102979970,2cyclictest0-21swapper/211:47:192
102979970,1cyclictest0-21swapper/212:25:032
102899971,6cyclictest0-21swapper/110:38:181
102899971,3cyclictest0-21swapper/110:50:591
102899970,7cyclictest0-21swapper/110:05:181
102899970,6cyclictest0-21swapper/107:49:031
102899970,5cyclictest0-21swapper/110:04:591
102899970,4cyclictest0-21swapper/111:45:191
102899970,4cyclictest0-21swapper/111:37:241
102899970,3cyclictest0-21swapper/111:12:341
102899970,1cyclictest0-21swapper/112:37:001
102829976,1cyclictest9-21ksoftirqd/008:32:550
102829976,1cyclictest32436-1kworker/u9:212:10:290
102829976,1cyclictest23356-1kworker/u9:209:40:150
102829976,1cyclictest19394-21df_inode12:35:140
102829976,1cyclictest11301-21snmpd08:02:400
102829975,1cyclictest31194-21ssh10:35:100
102829975,1cyclictest11301-21snmpd08:47:540
102829975,1cyclictest11301-21snmpd08:40:200
102829975,1cyclictest11301-21snmpd08:14:370
102829975,1cyclictest11301-21snmpd07:42:480
102829975,1cyclictest11301-21snmpd07:22:310
102829973,1cyclictest17180-21/usr/sbin/munin10:15:130
102829972,3cyclictest0-21swapper/011:15:200
102829971,5cyclictest22790-21ssh09:35:200
102829971,5cyclictest10477-21/usr/sbin/munin09:20:210
102829971,3cyclictest3830-21ssh11:25:230
102829970,6cyclictest9697-21grep12:20:180
102829970,6cyclictest7902-21ssh10:45:450
102829970,6cyclictest7021-21ssh12:16:330
102829970,6cyclictest32403-21diskstats09:50:120
102829970,6cyclictest2933-21ssh09:55:030
102829970,6cyclictest2917-21diskmemload10:00:030
102829970,6cyclictest25120-21ssh11:10:190
102829970,6cyclictest18326-21ssh11:46:170
102829970,6cyclictest18124-21ntp_kernel_pll_11:00:180
102829970,6cyclictest11374-21ntp_states10:05:190
102829970,6cyclictest0-21swapper/011:40:150
102829970,6cyclictest0-21swapper/011:30:140
102829970,6cyclictest0-21swapper/008:05:150
102829970,6cyclictest0-21swapper/007:10:160
102829970,4cyclictest0-21swapper/011:20:150
102829970,1cyclictest8245-21smartctl09:15:190
102829970,1cyclictest2917-21diskmemload11:08:460
102829970,1cyclictest0-21swapper/012:25:480
102829970,1cyclictest0-21swapper/009:45:180
102829970,1cyclictest0-21swapper/008:55:110
102829970,1cyclictest0-21swapper/008:20:140
102829970,1cyclictest0-21swapper/007:46:400
102829970,1cyclictest0-21swapper/007:25:110
103059965,1cyclictest8142-21cat08:10:153
103059965,1cyclictest6810-21ssh09:15:103
103059965,1cyclictest29559-21ssh11:16:253
103059965,1cyclictest29404-21sshd08:55:153
103059965,1cyclictest27026-21cat08:50:163
103059965,1cyclictest19085-21ssh11:01:283
103059965,1cyclictest15829-21ssh10:11:353
103059965,1cyclictest12927-21ssh10:08:313
103059965,1cyclictest11301-21snmpd11:20:463
103059964,1cyclictest32391-21/usr/sbin/munin07:55:133
103059964,1cyclictest2917-21diskmemload12:22:303
103059963,1cyclictest240-21systemd-journal11:50:003
103059962,1cyclictest20461-21apt-get11:05:113
103059961,3cyclictest0-21swapper/312:30:443
103059961,2cyclictest0-21swapper/308:30:103
103059961,1cyclictest6004-21apt-get10:45:123
103059960,4cyclictest0-21swapper/308:05:213
103059960,3cyclictest0-21swapper/310:40:343
103059960,2cyclictest0-21swapper/311:32:243
103059960,2cyclictest0-21swapper/310:24:003
103059960,2cyclictest0-21swapper/310:24:003
103059960,1cyclictest0-21swapper/311:55:113
103059960,0cyclictest0-21swapper/311:50:113
102979966,0cyclictest61650irq/122-eno112:30:112
102979966,0cyclictest61650irq/122-eno112:17:112
102979966,0cyclictest61650irq/122-eno112:10:242
102979966,0cyclictest61650irq/122-eno112:05:222
102979966,0cyclictest61650irq/122-eno112:00:212
102979966,0cyclictest61650irq/122-eno111:30:312
102979966,0cyclictest61650irq/122-eno111:20:142
102979966,0cyclictest61650irq/122-eno111:10:512
102979966,0cyclictest61650irq/122-eno110:55:192
102979966,0cyclictest61650irq/122-eno110:50:102
102979966,0cyclictest61650irq/122-eno110:40:152
102979966,0cyclictest61650irq/122-eno110:35:142
102979966,0cyclictest61650irq/122-eno110:30:472
102979966,0cyclictest61650irq/122-eno110:26:332
102979966,0cyclictest61650irq/122-eno110:20:172
102979966,0cyclictest61650irq/122-eno110:20:162
102979966,0cyclictest61650irq/122-eno110:15:182
102979966,0cyclictest61650irq/122-eno110:11:152
102979966,0cyclictest61650irq/122-eno110:05:552
102979966,0cyclictest61650irq/122-eno109:50:092
102979966,0cyclictest61650irq/122-eno109:35:112
102979966,0cyclictest61650irq/122-eno109:30:492
102979966,0cyclictest61650irq/122-eno109:16:322
102979966,0cyclictest61650irq/122-eno108:51:142
102979966,0cyclictest61650irq/122-eno108:30:122
102979966,0cyclictest61650irq/122-eno108:25:152
102979966,0cyclictest61650irq/122-eno108:18:372
102979966,0cyclictest61650irq/122-eno108:05:142
102979966,0cyclictest61650irq/122-eno108:00:152
102979966,0cyclictest61650irq/122-eno107:52:392
102979966,0cyclictest61650irq/122-eno107:15:392
102979965,1cyclictest8415-21ntpq08:10:162
102979965,1cyclictest61650irq/122-eno112:21:212
102979965,1cyclictest61650irq/122-eno107:30:122
102979965,1cyclictest28638-21ntpq11:15:172
102979965,1cyclictest24935-21ntpq08:45:202
102979964,1cyclictest61650irq/122-eno110:45:222
102979964,1cyclictest61650irq/122-eno109:10:012
102979964,1cyclictest61650irq/122-eno107:20:132
102979963,1cyclictest2025-21pmu-power09:05:172
102979962,3cyclictest25847-21/usr/sbin/munin07:40:142
102979961,3cyclictest32287-21switchtime09:00:202
102979960,1cyclictest240-21systemd-journal08:55:002
102899963,0cyclictest0-21swapper/110:25:391
102899961,3cyclictest0-21swapper/107:10:201
102899960,6cyclictest0-21swapper/112:20:231
102899960,6cyclictest0-21swapper/112:05:411
102899960,6cyclictest0-21swapper/111:58:081
102899960,6cyclictest0-21swapper/111:16:101
102899960,6cyclictest0-21swapper/110:49:501
102899960,6cyclictest0-21swapper/110:20:511
102899960,6cyclictest0-21swapper/110:20:501
102899960,6cyclictest0-21swapper/109:41:011
102899960,6cyclictest0-21swapper/108:27:441
102899960,6cyclictest0-21swapper/108:12:441
102899960,6cyclictest0-21swapper/107:31:421
102899960,5cyclictest0-21swapper/110:15:171
102899960,5cyclictest0-21swapper/109:35:121
102899960,5cyclictest0-21swapper/107:55:521
102899960,5cyclictest0-21swapper/107:24:371
102899960,4cyclictest0-21swapper/112:02:271
102899960,4cyclictest0-21swapper/110:57:541
102899960,4cyclictest0-21swapper/109:20:181
102899960,4cyclictest0-21swapper/109:16:371
102899960,2cyclictest0-21swapper/112:10:121
102899960,1cyclictest0-21swapper/110:13:331
102899960,0cyclictest0-21swapper/108:01:311
102829964,1cyclictest2929-21apt-get09:10:020
102829964,1cyclictest11301-21snmpd08:52:450
102829964,0cyclictest2917-21diskmemload11:56:290
102829963,2cyclictest9758-21basename08:15:140
102829963,2cyclictest19181-21aten2.4-expect08:35:130
102829961,2cyclictest2917-21diskmemload11:35:110
102829960,6cyclictest0-21swapper/007:50:190
102829960,0cyclictest0-21swapper/008:25:170
102829960,0cyclictest0-21swapper/007:56:170
102829960,0cyclictest0-21swapper/007:30:200
102829960,0cyclictest0-21swapper/007:15:110
103059954,1cyclictest35-21ksoftirqd/307:37:363
103059953,1cyclictest4222-21grep09:10:173
103059953,1cyclictest11301-21snmpd08:43:273
103059953,1cyclictest11301-21snmpd08:35:083
103059951,1cyclictest12776-21apt-get11:40:103
103059950,4cyclictest0-21swapper/309:40:123
103059950,3cyclictest0-21swapper/307:50:133
103059950,2cyclictest24197-21ssh10:25:103
102979955,0cyclictest61650irq/122-eno107:39:552
102979954,1cyclictest61650irq/122-eno108:20:142
102899955,0cyclictest0-21swapper/109:47:091
102899954,1cyclictest0-21swapper/108:15:151
102899951,2cyclictest0-21swapper/112:15:221
102899951,2cyclictest0-21swapper/109:54:411
102899951,1cyclictest0-21swapper/111:00:171
102899950,5cyclictest0-21swapper/111:20:111
102899950,5cyclictest0-21swapper/109:58:271
102899950,5cyclictest0-21swapper/109:00:051
102899950,5cyclictest0-21swapper/108:56:541
102899950,5cyclictest0-21swapper/108:51:181
102899950,5cyclictest0-21swapper/108:40:171
102899950,5cyclictest0-21swapper/108:22:291
102899950,4cyclictest0-21swapper/111:52:001
102899950,4cyclictest0-21swapper/110:30:081
102899950,3cyclictest0-21swapper/111:06:091
102899950,2cyclictest0-21swapper/111:30:171
102899950,2cyclictest0-21swapper/110:40:151
102899950,1cyclictest0-21swapper/111:40:491
102899950,1cyclictest0-21swapper/109:26:531
102899950,0cyclictest0-21swapper/108:49:311
103059942,1cyclictest2463-21basename08:00:133
103059941,3cyclictest18279-21telnet07:25:123
103059940,4cyclictest25329-21/usr/sbin/munin07:40:143
103059940,1cyclictest240-21systemd-journal07:29:593
102899942,1cyclictest18498-21chrt09:30:151
102899942,1cyclictest155462sleep107:18:591
102899941,1cyclictest185972sleep108:32:181
102899941,1cyclictest0-21swapper/109:05:091
102899940,2cyclictest0-21swapper/112:30:111
102899940,2cyclictest0-21swapper/111:25:431
102899940,2cyclictest0-21swapper/108:05:131
102899940,1cyclictest0-21swapper/107:25:201
102899940,0cyclictest0-21swapper/108:37:461
103059930,1cyclictest240-21systemd-journal09:00:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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