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2026-07-26 - 23:45
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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 Sun Jul 26, 2026 12:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
99052207149,44sleep00-21swapper/007:08:330
97512203163,26sleep20-21swapper/207:06:332
99062199160,25sleep10-21swapper/107:08:351
100132199159,26sleep30-21swapper/307:09:563
300562670,0sleep20-21swapper/207:49:592
36582580,0sleep10-21swapper/109:10:001
93972170,0sleep00-21swapper/010:01:170
71582170,1sleep121-21ksoftirqd/109:15:011
10107991211,1cyclictest35-21ksoftirqd/311:24:593
10101991211,1cyclictest28-21ksoftirqd/207:30:002
1009799120,10cyclictest0-21swapper/111:45:111
10089991211,1cyclictest9-21ksoftirqd/007:40:010
1008999119,1cyclictest9-21ksoftirqd/009:49:590
1010199107,2cyclictest28-21ksoftirqd/208:54:592
10101991010,0cyclictest0-21swapper/210:01:262
1010199100,9cyclictest0-21swapper/210:17:472
1010199100,10cyclictest0-21swapper/211:39:182
1008999108,1cyclictest9-21ksoftirqd/011:00:140
1008999100,9cyclictest7215-21apt-get09:15:120
101079998,1cyclictest35-21ksoftirqd/312:20:003
101079998,1cyclictest35-21ksoftirqd/310:20:003
101079997,1cyclictest35-21ksoftirqd/308:30:143
101079997,1cyclictest35-21ksoftirqd/308:30:133
101019992,4cyclictest2804-21apt-get11:25:122
100899997,1cyclictest9-21ksoftirqd/007:45:010
100899990,5cyclictest23820-21latency_hist08:45:000
30890287,0sleep228-21ksoftirqd/210:32:242
101079987,1cyclictest35-21ksoftirqd/311:40:003
101079987,1cyclictest35-21ksoftirqd/307:49:593
101079987,1cyclictest35-21ksoftirqd/307:15:013
101079987,1cyclictest11301-21snmpd09:37:063
101079986,1cyclictest35-21ksoftirqd/309:10:013
101079986,1cyclictest11301-21snmpd11:26:563
101079985,2cyclictest258762sleep311:55:533
101079980,3cyclictest0-21swapper/309:20:103
101019987,1cyclictest28-21ksoftirqd/209:44:592
101019987,1cyclictest28-21ksoftirqd/207:25:012
101019986,1cyclictest61650irq/122-eno112:23:052
101019986,1cyclictest61650irq/122-eno110:55:142
101019986,1cyclictest61650irq/122-eno110:12:052
101019986,1cyclictest12012-21sendmail-msp08:20:002
101019982,4cyclictest61650irq/122-eno109:47:332
101019982,4cyclictest3363-21diskmemload11:40:132
100979981,6cyclictest0-21swapper/107:25:481
100979981,1cyclictest0-21swapper/108:40:361
100979980,5cyclictest0-21swapper/109:20:111
100899987,1cyclictest9-21ksoftirqd/009:55:140
100899986,1cyclictest9-21ksoftirqd/011:15:000
100899986,1cyclictest11301-21snmpd09:52:260
100899986,1cyclictest11301-21snmpd08:49:040
100899986,1cyclictest11301-21snmpd08:27:320
100899986,1cyclictest11301-21snmpd07:55:410
100899985,3cyclictest12459-21munin-node11:46:370
100899981,6cyclictest10859-21ssh10:05:120
100899981,3cyclictest0-21swapper/010:25:000
100899980,7cyclictest25192-21perf09:40:010
100899980,7cyclictest16286-21sh11:43:590
100899980,7cyclictest1391-21ssh11:21:260
100899980,5cyclictest22973-21perf07:35:000
100899980,5cyclictest0-21swapper/011:05:060
100899980,2cyclictest17887-21/usr/sbin/munin10:15:140
100899980,1cyclictest0-21swapper/011:50:140
100899980,1cyclictest0-21swapper/011:50:140
100899980,1cyclictest0-21swapper/008:15:210
25073270,0sleep10-21swapper/109:39:451
101079976,1cyclictest35-21ksoftirqd/311:15:003
101079976,1cyclictest35-21ksoftirqd/311:10:013
101079976,1cyclictest35-21ksoftirqd/309:56:213
101079976,1cyclictest35-21ksoftirqd/308:56:243
101079976,1cyclictest35-21ksoftirqd/308:50:003
101079976,1cyclictest11301-21snmpd12:32:253
101079975,1cyclictest5988-21ssh09:12:063
101079975,1cyclictest28087-21ssh09:43:043
101079974,1cyclictest240-21systemd-journal07:54:593
101079970,5cyclictest10087-21cyclictest12:02:033
101079970,3cyclictest0-21swapper/309:45:183
101019976,1cyclictest61650irq/122-eno112:38:042
101019976,1cyclictest61650irq/122-eno111:18:042
101019976,1cyclictest61650irq/122-eno111:12:432
101019976,1cyclictest61650irq/122-eno111:02:212
101019976,1cyclictest61650irq/122-eno110:52:102
101019976,1cyclictest61650irq/122-eno110:37:422
101019976,1cyclictest61650irq/122-eno109:24:052
101019976,1cyclictest61650irq/122-eno109:13:102
101019976,1cyclictest61650irq/122-eno108:00:112
101019976,1cyclictest61650irq/122-eno107:55:162
101019976,1cyclictest61650irq/122-eno107:30:122
101019976,1cyclictest561-21nscd11:55:112
101019976,1cyclictest28-21ksoftirqd/207:40:012
101019976,1cyclictest11301-21snmpd10:25:162
101019976,0cyclictest61650irq/122-eno109:25:172
101019976,0cyclictest61650irq/122-eno109:25:162
101019975,1cyclictest61650irq/122-eno112:15:162
101019975,1cyclictest61650irq/122-eno111:20:142
101019975,1cyclictest61650irq/122-eno109:30:082
101019975,1cyclictest61650irq/122-eno109:15:192
101019975,1cyclictest11301-21snmpd11:48:082
101019973,1cyclictest10857-21apt-get10:05:112
101019972,2cyclictest240-21systemd-journal08:49:592
101019970,5cyclictest11301-21snmpd09:50:122
100979971,6cyclictest0-21swapper/108:11:201
100979971,2cyclictest0-21swapper/111:40:591
100979971,1cyclictest0-21swapper/108:16:121
100979970,6cyclictest0-21swapper/110:25:191
100979970,5cyclictest0-21swapper/109:30:201
100979970,4cyclictest0-21swapper/112:31:471
100979970,4cyclictest0-21swapper/111:20:091
100979970,4cyclictest0-21swapper/110:20:301
100979970,4cyclictest0-21swapper/109:50:061
100979970,4cyclictest0-21swapper/108:20:101
100979970,4cyclictest0-21swapper/107:30:101
100979970,3cyclictest0-21swapper/111:39:241
100979970,3cyclictest0-21swapper/110:15:251
100979970,3cyclictest0-21swapper/110:00:591
100979970,3cyclictest0-21swapper/109:55:051
100979970,1cyclictest0-21swapper/107:55:171
100899977,0cyclictest0-21swapper/007:52:010
100899976,1cyclictest9-21ksoftirqd/011:00:000
100899976,1cyclictest9-21ksoftirqd/010:40:540
100899976,1cyclictest29671-21ntp_states10:30:190
100899975,1cyclictest9-21ksoftirqd/011:15:150
100899975,1cyclictest32195-21cat09:00:170
100899975,1cyclictest17568-21ssh10:14:530
100899975,1cyclictest11301-21snmpd09:07:390
100899975,1cyclictest11301-21snmpd07:49:130
100899974,2cyclictest6001-21ssh11:29:560
100899972,4cyclictest6343-21turbostat.cron10:49:550
100899972,4cyclictest18969-21expr07:25:140
100899972,1cyclictest32334-21cstates10:35:140
100899971,6cyclictest9310-21ssh12:20:060
100899970,6cyclictest9617-21munin-run08:15:010
100899970,6cyclictest2819-21gltestperf12:10:140
100899970,6cyclictest23921-1kworker/u9:110:27:330
100899970,6cyclictest21694-21users12:35:240
100899970,6cyclictest11977-21ssh11:36:270
100899970,6cyclictest0-21swapper/011:30:200
100899970,6cyclictest0-21swapper/009:40:150
100899970,5cyclictest12459-21munin-node09:28:500
100899970,5cyclictest12459-21munin-node09:28:490
100899970,1cyclictest5473-21cstates08:05:150
100899970,1cyclictest3363-21diskmemload09:20:060
100899970,1cyclictest23959-21telnet11:55:100
100899970,1cyclictest15225-21ssh12:27:110
100899970,1cyclictest0-21swapper/012:30:170
100899970,1cyclictest0-21swapper/010:50:170
19720260,5sleep319822-21switchtime09:30:213
101079965,1cyclictest8398-21ssh11:31:203
101079965,1cyclictest7454-21ssh09:15:143
101079965,1cyclictest4901-21ssh10:40:233
101079965,1cyclictest30750-21ssh10:31:573
101079965,1cyclictest16666-21ssh10:59:163
101079965,1cyclictest16439-21ssh10:11:163
101079965,1cyclictest1526-21ssh10:35:563
101079965,1cyclictest13716-21ssh10:08:503
101079965,1cyclictest12156-21ssh12:23:383
101079965,1cyclictest11301-21snmpd08:54:133
101079965,1cyclictest11301-21snmpd08:36:063
101079965,1cyclictest11301-21snmpd07:23:063
101079964,1cyclictest6026-21cat08:05:163
101079964,1cyclictest35-21ksoftirqd/310:00:003
101079964,1cyclictest13879-21tail08:20:193
101079963,1cyclictest15011-21cstates09:25:153
101079963,1cyclictest15011-21cstates09:25:143
101079961,3cyclictest3363-21diskmemload12:27:393
101079961,3cyclictest19918-21apt-get12:35:133
101079961,2cyclictest0-21swapper/310:20:153
101079960,5cyclictest13389-21apt-get11:40:123
101079960,4cyclictest0-21swapper/310:25:253
101079960,4cyclictest0-21swapper/309:50:193
101079960,3cyclictest0-21swapper/311:48:333
101079960,2cyclictest0-21swapper/310:54:103
101019966,0cyclictest61650irq/122-eno112:10:052
101019966,0cyclictest61650irq/122-eno112:00:182
101019966,0cyclictest61650irq/122-eno111:50:202
101019966,0cyclictest61650irq/122-eno111:50:192
101019966,0cyclictest61650irq/122-eno111:30:022
101019966,0cyclictest61650irq/122-eno111:05:172
101019966,0cyclictest61650irq/122-eno110:20:122
101019966,0cyclictest61650irq/122-eno109:55:002
101019966,0cyclictest61650irq/122-eno109:35:472
101019966,0cyclictest61650irq/122-eno108:40:002
101019966,0cyclictest61650irq/122-eno108:30:232
101019966,0cyclictest61650irq/122-eno108:30:222
101019966,0cyclictest61650irq/122-eno108:07:292
101019965,1cyclictest61650irq/122-eno108:25:132
101019965,1cyclictest61650irq/122-eno108:10:182
101019965,1cyclictest5233-21ssh10:41:282
101019965,1cyclictest30982-21ssh12:05:112
101019965,1cyclictest17273-21cat12:30:152
101019965,0cyclictest61650irq/122-eno110:45:092
101019964,1cyclictest61650irq/122-eno107:10:172
101019964,1cyclictest11301-21snmpd09:06:512
101019963,1cyclictest32111-21hddtemp_smartct09:00:162
101019960,6cyclictest0-21swapper/208:20:212
101019960,6cyclictest0-21swapper/207:40:462
101019960,5cyclictest0-21swapper/212:25:062
101019960,5cyclictest0-21swapper/207:15:152
100979966,0cyclictest0-21swapper/110:11:531
100979963,0cyclictest0-21swapper/107:45:181
100979961,1cyclictest0-21swapper/110:55:171
100979960,6cyclictest0-21swapper/112:18:241
100979960,6cyclictest0-21swapper/112:08:521
100979960,6cyclictest0-21swapper/108:36:101
100979960,6cyclictest0-21swapper/107:15:011
100979960,5cyclictest0-21swapper/112:21:451
100979960,5cyclictest0-21swapper/109:05:101
100979960,5cyclictest0-21swapper/107:20:241
100979960,4cyclictest0-21swapper/112:01:001
100979960,4cyclictest0-21swapper/111:30:151
100979960,4cyclictest0-21swapper/111:29:551
100979960,4cyclictest0-21swapper/111:17:191
100979960,4cyclictest0-21swapper/110:05:331
100979960,4cyclictest0-21swapper/108:00:201
100979960,2cyclictest0-21swapper/112:35:291
100979960,2cyclictest0-21swapper/112:28:491
100979960,2cyclictest0-21swapper/110:46:241
100979960,2cyclictest0-21swapper/110:39:591
100979960,2cyclictest0-21swapper/109:00:201
100979960,2cyclictest0-21swapper/108:25:211
100979960,1cyclictest0-21swapper/111:50:161
100979960,1cyclictest0-21swapper/111:50:151
100979960,1cyclictest0-21swapper/111:10:461
100979960,1cyclictest0-21swapper/108:56:481
100979960,1cyclictest0-21swapper/108:05:041
100979960,0cyclictest0-21swapper/109:29:521
100979960,0cyclictest0-21swapper/109:29:511
100899965,1cyclictest9-21ksoftirqd/009:00:000
100899965,1cyclictest9-21ksoftirqd/007:15:000
100899965,1cyclictest7515-21ssh12:15:480
100899960,6cyclictest0-21swapper/009:11:020
100899960,5cyclictest20453-21ntp_states08:35:180
100899960,5cyclictest0-21swapper/008:20:160
100899960,1cyclictest32204-21ssh12:05:190
100899960,1cyclictest15201-1kworker/u9:112:00:280
100899960,0cyclictest0-21swapper/009:30:160
100899960,0cyclictest0-21swapper/008:50:550
101079954,1cyclictest35-21ksoftirqd/308:00:013
101079954,1cyclictest22366-21ssh11:50:523
101079954,1cyclictest22366-21ssh11:50:523
101079954,1cyclictest11301-21snmpd08:26:033
101079954,1cyclictest11301-21snmpd08:15:293
101079953,1cyclictest22816-21ntp_offset08:40:173
101079952,2cyclictest0-21swapper/312:05:193
101079951,2cyclictest0-21swapper/307:10:123
101079951,1cyclictest3311-21grep08:00:143
101079951,1cyclictest0-21swapper/311:00:133
101079950,1cyclictest0-21swapper/311:15:123
101079950,1cyclictest0-21swapper/310:45:093
101019955,0cyclictest61650irq/122-eno108:40:032
101019950,5cyclictest0-21swapper/207:53:202
101019950,4cyclictest0-21swapper/208:55:212
100979951,3cyclictest0-21swapper/111:00:201
100979951,2cyclictest0-21swapper/108:30:131
100979951,2cyclictest0-21swapper/108:30:131
100979950,5cyclictest0-21swapper/108:45:541
100979950,5cyclictest0-21swapper/107:36:501
100979950,4cyclictest0-21swapper/107:15:001
100979950,2cyclictest0-21swapper/111:05:151
100979950,2cyclictest0-21swapper/110:54:181
100979950,2cyclictest0-21swapper/109:40:151
100979950,1cyclictest0-21swapper/112:10:081
100979950,1cyclictest0-21swapper/111:55:191
100979950,1cyclictest0-21swapper/110:40:111
100979950,1cyclictest0-21swapper/110:32:091
100979950,1cyclictest0-21swapper/109:45:111
100979950,0cyclictest0-21swapper/107:50:131
100899953,1cyclictest16940-21/usr/sbin/munin08:30:200
100899953,1cyclictest16940-21/usr/sbin/munin08:30:190
100899952,2cyclictest15950-21aten_r1power_cu07:20:120
100899951,2cyclictest2784-21apt-get08:00:110
100899950,0cyclictest0-21swapper/007:10:120
101079943,1cyclictest559-21cron07:25:013
101079943,1cyclictest491-21unixbench_multi09:00:213
101079943,1cyclictest2855-21grep12:10:163
101079942,1cyclictest693-21runrttasks07:43:043
101079942,1cyclictest35-21ksoftirqd/307:30:093
101079941,2cyclictest693-21runrttasks07:36:473
101079940,1cyclictest0-21swapper/308:10:123
100979940,4cyclictest0-21swapper/107:40:111
100979940,0cyclictest0-21swapper/108:50:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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