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2026-04-03 - 10:26
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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 Fri Apr 03, 2026 00:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
271602213150,20sleep00-21swapper/019:06:080
273062204165,25sleep20-21swapper/219:08:022
272652203153,24sleep30-21swapper/319:07:313
271762200162,25sleep10-21swapper/119:06:201
15972710,1sleep00-21swapper/021:25:200
312562690,1sleep031259-21ntp_kernel_err00:10:180
28772600,0sleep20-21swapper/220:30:172
132602590,0sleep10-21swapper/119:45:131
202142180,0sleep10-21swapper/120:00:111
202142180,0sleep10-21swapper/120:00:111
305212130,0sleep30-21swapper/322:04:323
127942130,0sleep10-21swapper/122:22:171
27542991211,1cyclictest2946-21cat22:10:132
2754699118,2cyclictest26197-21fschecks_time22:40:143
2754299102,7cyclictest9428-21irqstats23:00:152
275429999,0cyclictest0-21swapper/223:21:272
275429991,8cyclictest0-21swapper/221:48:042
275349990,4cyclictest0-21swapper/123:21:381
275339997,1cyclictest9-21ksoftirqd/019:35:000
275339992,6cyclictest23819-21ssh00:00:190
275339991,1cyclictest9537-21seq19:35:190
275339990,4cyclictest20391-21diskmemload23:35:050
12105290,0sleep20-21swapper/219:42:402
275469985,3cyclictest29902-21munin-node21:34:533
275469981,5cyclictest10185-21apt-get19:40:113
275429988,0cyclictest28-21ksoftirqd/223:56:332
275429986,1cyclictest61650irq/122-eno100:07:292
275429982,3cyclictest0-21swapper/221:55:112
275429980,8cyclictest12626-21chrt22:21:492
275339987,1cyclictest10353-21telnet22:20:140
275339986,2cyclictest20391-21diskmemload23:02:410
275339983,4cyclictest24523-21/usr/sbin/munin20:10:140
275339980,7cyclictest4369-21ssh00:18:130
275339980,7cyclictest17001-21ssh22:28:230
275339980,7cyclictest1258-21taskset20:26:530
275339980,7cyclictest12372-21ssh21:40:140
275339980,6cyclictest16183-21kworker/u8:123:14:240
275339980,4cyclictest28434-21awk20:15:190
275339980,1cyclictest8851-21ssh23:40:430
275469976,1cyclictest19098-21ntpq22:30:183
275469975,1cyclictest6880-21ssh22:56:313
275469975,1cyclictest5571-21ssh23:37:113
275469975,1cyclictest30794-21apt-get19:15:113
275469975,1cyclictest11043-21ssh23:02:243
275469974,1cyclictest240-21systemd-journal23:18:053
275469970,6cyclictest22134-21ssh21:52:373
275469970,3cyclictest0-21swapper/321:22:113
275469970,3cyclictest0-21swapper/300:21:063
275469970,1cyclictest0-21swapper/323:05:113
275429977,0cyclictest61650irq/122-eno123:37:472
275429977,0cyclictest28-21ksoftirqd/221:17:122
275429976,1cyclictest61650irq/122-eno123:50:012
275429976,1cyclictest61650irq/122-eno121:26:132
275429976,0cyclictest61650irq/122-eno123:50:122
275429976,0cyclictest61650irq/122-eno123:30:102
275429976,0cyclictest61650irq/122-eno122:00:192
275429975,1cyclictest61650irq/122-eno122:55:142
275429975,1cyclictest61650irq/122-eno121:30:162
275429975,1cyclictest61650irq/122-eno120:30:002
275429973,1cyclictest30069-21wc19:15:002
275429971,2cyclictest0-21swapper/222:43:422
275429971,1cyclictest0-21swapper/220:45:182
275429970,7cyclictest0-21swapper/222:19:242
275429970,6cyclictest0-21swapper/223:06:232
275349971,3cyclictest0-21swapper/121:25:571
275349970,6cyclictest0-21swapper/120:05:161
275349970,4cyclictest0-21swapper/121:45:171
275349970,3cyclictest0-21swapper/122:30:121
275349970,3cyclictest0-21swapper/119:10:111
275339976,1cyclictest16767-1kworker/u9:022:30:200
275339976,1cyclictest14025-21ssh23:48:480
275339975,1cyclictest9-21ksoftirqd/019:55:110
275339975,1cyclictest9-21ksoftirqd/019:40:400
275339975,1cyclictest8342-21ssh00:23:310
275339975,1cyclictest1875-21ntpq19:20:150
275339974,2cyclictest27892-21ssh22:00:140
275339973,3cyclictest16207-21/usr/sbin/munin23:50:180
275339972,4cyclictest0-21swapper/021:30:140
275339972,2cyclictest240-21systemd-journal19:30:000
275339971,6cyclictest409-21ssh22:49:500
275339970,6cyclictest9402-21grep00:25:140
275339970,6cyclictest9338-21df_inode20:45:120
275339970,6cyclictest31130-21aten_r1power_vo22:05:120
275339970,6cyclictest30967-21ssh21:21:520
275339970,6cyclictest26854-21awk22:40:190
275339970,6cyclictest20929-21tail23:15:150
275339970,6cyclictest18271-21/usr/sbin/munin21:05:150
275339970,6cyclictest14073-21memory00:30:190
275339970,6cyclictest12777-21cstates23:05:120
275339970,6cyclictest0-21swapper/023:55:140
275339970,6cyclictest0-21swapper/023:20:140
275339970,6cyclictest0-21swapper/022:56:440
275339970,6cyclictest0-21swapper/021:15:130
275339970,6cyclictest0-21swapper/020:40:120
275339970,5cyclictest20657-21apt-get21:10:120
275339970,1cyclictest20391-21diskmemload23:25:430
275339970,1cyclictest20391-21diskmemload22:50:290
275339970,1cyclictest20391-21diskmemload21:57:120
275339970,1cyclictest0-21swapper/020:55:000
275339970,1cyclictest0-21swapper/020:35:150
275339970,1cyclictest0-21swapper/000:35:120
275469966,0cyclictest20391-21diskmemload23:33:003
275469965,1cyclictest9919-21ssh21:35:403
275469965,1cyclictest9905-21ssh23:43:313
275469965,1cyclictest7879-21sensors20:40:183
275469965,1cyclictest7619-21ntpq22:15:183
275469965,1cyclictest755-21ssh22:50:033
275469965,1cyclictest32355-21ssh22:05:193
275469965,1cyclictest27177-21cat00:05:163
275469965,1cyclictest25902-21ssh23:20:323
275469965,1cyclictest23882-21ssh22:36:183
275469965,1cyclictest18327-21ssh23:11:253
275469965,1cyclictest17905-21ssh21:46:353
275469965,1cyclictest16296-21ssh22:26:283
275469965,1cyclictest13015-21ssh00:30:093
275469965,1cyclictest10243-21ssh22:20:053
275469964,1cyclictest5518-21ssh22:13:223
275469964,1cyclictest35-21ksoftirqd/319:15:013
275469963,2cyclictest20391-21diskmemload21:17:283
275469963,2cyclictest10961-21/usr/sbin/munin00:25:223
275469963,1cyclictest240-21systemd-journal20:18:323
275469962,2cyclictest20391-21diskmemload21:25:273
275469962,0cyclictest20391-21diskmemload22:48:493
275469961,3cyclictest0-21swapper/321:40:303
275469961,2cyclictest30381-21uname20:20:153
275469961,2cyclictest0-21swapper/320:45:123
275469961,1cyclictest0-21swapper/319:45:163
275469960,5cyclictest29902-21munin-node21:09:153
275469960,3cyclictest31863-21sed00:10:213
275469960,3cyclictest0-21swapper/321:57:593
275469960,1cyclictest240-21systemd-journal19:24:543
275469960,0cyclictest0-21swapper/321:00:103
275429966,0cyclictest61650irq/122-eno123:25:112
275429966,0cyclictest61650irq/122-eno122:45:122
275429966,0cyclictest61650irq/122-eno122:30:042
275429966,0cyclictest61650irq/122-eno122:25:182
275429966,0cyclictest61650irq/122-eno121:50:072
275429966,0cyclictest61650irq/122-eno121:35:262
275429966,0cyclictest61650irq/122-eno121:20:142
275429966,0cyclictest61650irq/122-eno121:11:192
275429966,0cyclictest61650irq/122-eno121:09:022
275429966,0cyclictest61650irq/122-eno120:40:102
275429966,0cyclictest61650irq/122-eno120:35:202
275429966,0cyclictest61650irq/122-eno120:10:162
275429966,0cyclictest61650irq/122-eno119:56:292
275429966,0cyclictest61650irq/122-eno119:47:402
275429966,0cyclictest61650irq/122-eno119:31:062
275429966,0cyclictest61650irq/122-eno119:15:162
275429966,0cyclictest61650irq/122-eno100:35:052
275429966,0cyclictest61650irq/122-eno100:30:022
275429966,0cyclictest61650irq/122-eno100:26:022
275429966,0cyclictest61650irq/122-eno100:15:262
275429966,0cyclictest61650irq/122-eno100:00:122
275429965,1cyclictest61650irq/122-eno123:40:132
275429965,1cyclictest61650irq/122-eno123:10:182
275429965,1cyclictest61650irq/122-eno120:52:432
275429965,1cyclictest61650irq/122-eno119:35:192
275429965,1cyclictest28-21ksoftirqd/220:01:372
275429965,1cyclictest28-21ksoftirqd/220:01:362
275429965,0cyclictest61650irq/122-eno122:05:152
275429965,0cyclictest61650irq/122-eno100:20:122
275429964,1cyclictest61650irq/122-eno120:20:102
275429964,1cyclictest61650irq/122-eno119:20:112
275429960,6cyclictest0-21swapper/223:15:092
275429960,6cyclictest0-21swapper/222:51:032
275429960,6cyclictest0-21swapper/222:35:022
275429960,6cyclictest0-21swapper/221:40:092
275429960,6cyclictest0-21swapper/200:10:102
275349962,2cyclictest0-21swapper/123:18:031
275349962,2cyclictest0-21swapper/123:10:541
275349961,3cyclictest0-21swapper/100:25:181
275349960,6cyclictest0-21swapper/123:40:511
275349960,6cyclictest0-21swapper/120:14:141
275349960,6cyclictest0-21swapper/119:51:481
275349960,5cyclictest0-21swapper/119:25:151
275349960,4cyclictest0-21swapper/123:33:241
275349960,4cyclictest0-21swapper/122:03:441
275349960,4cyclictest0-21swapper/121:05:201
275349960,4cyclictest0-21swapper/119:35:111
275349960,4cyclictest0-21swapper/100:32:391
275349960,3cyclictest0-21swapper/121:52:351
275349960,3cyclictest0-21swapper/121:41:031
275349960,3cyclictest0-21swapper/120:50:091
275349960,2cyclictest0-21swapper/121:55:181
275349960,1cyclictest0-21swapper/119:55:151
275349960,0cyclictest0-21swapper/123:46:311
275339965,1cyclictest21658-21ssh21:51:230
275339965,1cyclictest15662-21ssh21:45:100
275339964,1cyclictest14230-21grep20:55:140
275339964,1cyclictest0-21swapper/019:10:110
275339963,1cyclictest240-21systemd-journal20:30:320
275339961,5cyclictest1056-21ssh23:30:210
275339961,1cyclictest21737-21/usr/sbin/munin22:35:220
275339960,5cyclictest0-21swapper/021:00:090
275339960,5cyclictest0-21swapper/000:05:150
275339960,1cyclictest29500-1kworker/u9:122:11:020
275339960,1cyclictest0-21swapper/022:15:110
275339960,0cyclictest0-21swapper/021:35:290
16964260,0sleep30-21swapper/323:51:273
275469954,1cyclictest35-21ksoftirqd/320:09:553
275469954,1cyclictest29249-21systemctl23:25:193
275469954,1cyclictest22557-21ssh21:10:513
275469954,1cyclictest13043-21sshd20:51:453
275469953,1cyclictest24560-21aten2.4-expect20:10:113
275469953,1cyclictest2431-21kernelversion00:15:153
275469951,3cyclictest10475-21apt-get23:45:013
275469951,1cyclictest240-21systemd-journal19:28:013
275469951,0cyclictest20391-21diskmemload00:36:113
275469950,5cyclictest0-21swapper/319:56:283
275469950,1cyclictest0-21swapper/323:55:293
275469950,0cyclictest0-21swapper/320:33:503
275429955,0cyclictest61650irq/122-eno119:50:142
275429953,1cyclictest4074-21ls19:25:162
275429953,1cyclictest22176-21apt-get20:05:112
275429951,1cyclictest0-21swapper/220:55:112
275429950,3cyclictest0-21swapper/220:15:142
275429950,1cyclictest15912-21/usr/sbin/munin21:00:162
275349955,0cyclictest0-21swapper/123:50:311
275349955,0cyclictest0-21swapper/122:55:141
275349953,1cyclictest0-21swapper/100:35:171
275349952,3cyclictest0-21swapper/123:25:111
275349952,3cyclictest0-21swapper/100:23:241
275349952,1cyclictest0-21swapper/123:04:311
275349952,1cyclictest0-21swapper/122:25:391
275349951,1cyclictest0-21swapper/123:39:521
275349950,5cyclictest0-21swapper/120:58:591
275349950,5cyclictest0-21swapper/120:25:271
275349950,5cyclictest0-21swapper/119:18:141
275349950,4cyclictest0-21swapper/120:45:151
275349950,3cyclictest0-21swapper/122:42:281
275349950,3cyclictest0-21swapper/122:36:041
275349950,3cyclictest0-21swapper/121:36:371
275349950,3cyclictest0-21swapper/121:31:461
275349950,3cyclictest0-21swapper/121:20:061
275349950,3cyclictest0-21swapper/121:19:421
275349950,3cyclictest0-21swapper/121:11:321
275349950,2cyclictest286592sleep100:06:591
275349950,1cyclictest0-21swapper/122:50:481
275349950,1cyclictest0-21swapper/122:45:211
275349950,0cyclictest0-21swapper/122:11:101
275349950,0cyclictest0-21swapper/122:05:191
275349950,0cyclictest0-21swapper/100:04:271
275339954,1cyclictest13695-21ntpq19:45:170
275339953,1cyclictest31030-21tr19:15:120
275339951,1cyclictest0-21swapper/020:05:110
275339950,5cyclictest0-21swapper/020:03:530
275339950,5cyclictest0-21swapper/020:03:530
275339950,4cyclictest294602sleep020:20:090
275339950,4cyclictest14892-21/usr/sbin/munin19:50:120
24870250,0sleep30-21swapper/300:02:043
275469943,1cyclictest8613-21smartctl19:35:133
275469943,1cyclictest5877-21chrt20:35:413
275469943,1cyclictest32765-21wc20:25:163
275469942,1cyclictest20327-21sh20:00:123
275469942,1cyclictest20327-21sh20:00:113
275469941,2cyclictest14808-21proc_pri20:55:163
275469941,1cyclictest5959-21df_inode19:30:133
275469941,1cyclictest0-21swapper/319:50:133
275349941,2cyclictest0-21swapper/120:30:101
275349941,1cyclictest323142sleep100:11:301
275349941,1cyclictest0-21swapper/121:00:461
275349940,4cyclictest0-21swapper/119:30:161
275349940,3cyclictest0-21swapper/122:15:351
275349940,2cyclictest0-21swapper/120:15:121
275349940,1cyclictest0-21swapper/123:05:091
275349940,1cyclictest0-21swapper/100:15:121
275349940,0cyclictest0-21swapper/123:55:191
275349940,0cyclictest0-21swapper/120:40:181
275349940,0cyclictest0-21swapper/120:35:181
275349940,0cyclictest0-21swapper/119:40:071
275349930,1cyclictest0-21swapper/120:20:181
275349930,1cyclictest0-21swapper/119:20:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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