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2026-07-18 - 01:23
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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 Sat Jul 18, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10622220154,22sleep00-21swapper/019:05:270
12922214149,51sleep20-21swapper/219:08:272
12882214159,42sleep30-21swapper/319:08:243
10902200162,25sleep10-21swapper/119:05:491
284542580,0sleep00-21swapper/022:35:100
180732190,0sleep10-21swapper/120:50:141
14802160,0sleep21483-21fschecks_time20:15:162
150299123,4cyclictest24667-21perf21:05:000
1525991110,1cyclictest35-21ksoftirqd/322:50:003
1517991111,0cyclictest0-21swapper/222:41:262
169492100,0sleep326983-21diskmemload21:38:073
152599109,1cyclictest35-21ksoftirqd/322:25:133
152599109,1cyclictest35-21ksoftirqd/321:15:133
152599109,1cyclictest35-21ksoftirqd/300:30:003
152599108,1cyclictest35-21ksoftirqd/323:15:123
152599108,1cyclictest35-21ksoftirqd/323:00:123
152599108,1cyclictest35-21ksoftirqd/319:15:013
1525991010,0cyclictest35-21ksoftirqd/321:10:213
152599100,5cyclictest10874-21runrttasks22:10:403
152599100,5cyclictest10874-21runrttasks22:10:403
151799108,1cyclictest28-21ksoftirqd/221:00:002
150999100,4cyclictest0-21swapper/123:00:011
150299108,1cyclictest9-21ksoftirqd/021:10:000
15259999,0cyclictest35-21ksoftirqd/323:40:213
15259998,1cyclictest35-21ksoftirqd/322:50:003
15259998,1cyclictest35-21ksoftirqd/320:25:003
15259998,1cyclictest35-21ksoftirqd/320:25:003
15259998,1cyclictest35-21ksoftirqd/320:15:003
15259997,1cyclictest35-21ksoftirqd/323:25:143
15179995,2cyclictest28-21ksoftirqd/222:09:432
15029998,1cyclictest9-21ksoftirqd/019:45:010
15029990,5cyclictest693-21runrttasks21:50:520
15259988,0cyclictest35-21ksoftirqd/300:35:003
15259988,0cyclictest35-21ksoftirqd/300:30:123
15259987,1cyclictest35-21ksoftirqd/323:35:173
15259987,1cyclictest35-21ksoftirqd/321:31:443
15259987,1cyclictest35-21ksoftirqd/321:25:143
15259987,1cyclictest35-21ksoftirqd/319:20:123
15259986,1cyclictest35-21ksoftirqd/320:20:003
15179987,1cyclictest28-21ksoftirqd/223:59:292
15179987,1cyclictest28-21ksoftirqd/221:20:122
15179986,1cyclictest61650irq/122-eno123:40:142
15179986,1cyclictest61650irq/122-eno121:25:152
15179986,1cyclictest28645-21ssh23:15:142
15179986,1cyclictest28-21ksoftirqd/220:05:002
15179986,1cyclictest23525-21cat23:50:162
15179985,2cyclictest61650irq/122-eno123:30:142
15179983,4cyclictest693-21runrttasks21:44:052
15179983,2cyclictest240-21systemd-journal22:35:392
15179980,6cyclictest20335-21rm22:24:582
15179980,4cyclictest61650irq/122-eno122:15:092
15099980,4cyclictest0-21swapper/121:25:481
15029987,1cyclictest9-21ksoftirqd/000:10:000
15029987,1cyclictest25513-21ssh23:53:160
15029986,1cyclictest9-21ksoftirqd/023:35:130
15029983,4cyclictest0-21swapper/022:25:170
15029983,4cyclictest0-21swapper/000:25:160
15029982,5cyclictest26983-21diskmemload22:40:180
15029982,3cyclictest10678-21latency_hist23:35:000
15029981,6cyclictest27009-21ssh23:55:130
15029980,3cyclictest0-21swapper/000:34:010
23892270,0sleep00-21swapper/021:45:530
15259977,0cyclictest35-21ksoftirqd/323:30:213
15259977,0cyclictest35-21ksoftirqd/323:10:013
15259976,1cyclictest35-21ksoftirqd/323:50:003
15259976,1cyclictest35-21ksoftirqd/322:40:193
15259976,1cyclictest35-21ksoftirqd/321:55:143
15259976,1cyclictest35-21ksoftirqd/321:50:163
15259976,1cyclictest35-21ksoftirqd/321:45:003
15259976,1cyclictest35-21ksoftirqd/319:55:003
15259976,1cyclictest35-21ksoftirqd/319:40:133
15259976,1cyclictest35-21ksoftirqd/300:10:133
15259975,2cyclictest26983-21diskmemload23:56:253
15259975,1cyclictest35-21ksoftirqd/319:35:133
15259975,1cyclictest13136-21ntpq22:55:193
15259974,1cyclictest240-21systemd-journal19:14:553
15259971,1cyclictest240-21systemd-journal00:10:003
15259970,4cyclictest21411-21processes20:55:203
15259970,4cyclictest0-21swapper/300:15:093
15259970,3cyclictest240-21systemd-journal19:29:503
15179976,1cyclictest61650irq/122-eno123:25:512
15179976,1cyclictest61650irq/122-eno123:00:142
15179976,1cyclictest61650irq/122-eno122:57:582
15179976,1cyclictest61650irq/122-eno122:50:172
15179976,1cyclictest61650irq/122-eno121:34:352
15179976,1cyclictest61650irq/122-eno100:35:112
15179976,1cyclictest61650irq/122-eno100:11:082
15179976,1cyclictest61650irq/122-eno100:00:132
15179976,1cyclictest4178-21sshd22:03:302
15179976,0cyclictest61650irq/122-eno121:16:322
15179975,1cyclictest61650irq/122-eno123:05:152
15179975,1cyclictest61650irq/122-eno121:55:202
15179975,1cyclictest61650irq/122-eno120:35:182
15179972,4cyclictest769-21lldpd23:39:562
15179971,2cyclictest7089-21munin-run19:20:002
15179970,6cyclictest0-21swapper/219:50:162
15179970,4cyclictest26983-21diskmemload21:10:122
15099976,1cyclictest0-21swapper/123:21:141
15099972,2cyclictest0-21swapper/123:15:171
15099971,2cyclictest0-21swapper/100:15:181
15099970,7cyclictest0-21swapper/123:32:351
15099970,6cyclictest0-21swapper/121:41:061
15099970,4cyclictest0-21swapper/122:55:131
15099970,1cyclictest0-21swapper/121:52:041
15029976,1cyclictest9-21ksoftirqd/000:40:000
15029976,1cyclictest5450-1kworker/u9:021:11:180
15029975,1cyclictest8579-21df22:50:130
15029975,1cyclictest17908-21awk22:20:160
15029975,1cyclictest11351-21ntpq21:30:180
15029974,1cyclictest240-21systemd-journal20:30:000
15029972,1cyclictest19123-21/usr/sbin/munin19:45:170
15029971,5cyclictest31720-21gltestperf21:15:150
15029971,5cyclictest23829-21/usr/sbin/munin19:55:200
15029970,6cyclictest6651-21expr21:25:140
15029970,6cyclictest2360-21apt-get21:20:100
15029970,6cyclictest21142-21ntp_states23:05:180
15029970,6cyclictest17685-21sh23:43:040
15029970,6cyclictest16176-21ssh00:21:480
15029970,6cyclictest13167-21cut22:15:120
15029970,6cyclictest12048-21ssh00:16:190
15029970,6cyclictest1065-21ssh23:20:290
15029970,6cyclictest0-21swapper/023:45:140
15029970,6cyclictest0-21swapper/022:45:170
15029970,6cyclictest0-21swapper/022:01:430
15029970,6cyclictest0-21swapper/020:45:130
15029970,6cyclictest0-21swapper/020:35:200
15029970,4cyclictest922-21cat22:00:000
15029970,4cyclictest0-21swapper/020:20:290
15029970,4cyclictest0-21swapper/020:20:290
15029970,3cyclictest0-21swapper/023:10:120
15029970,1cyclictest9396-21idleruntime-cro00:15:000
15029970,1cyclictest809-21ssh00:03:010
15029970,1cyclictest6044-21ssh23:28:180
15029970,1cyclictest26983-21diskmemload23:16:270
15029970,1cyclictest20094-21latency_hist20:55:000
15029970,1cyclictest16753-21latency_hist19:40:010
15029970,1cyclictest10076-21cut22:10:180
15029970,1cyclictest10076-21cut22:10:170
15029970,1cyclictest0-21swapper/022:30:130
15029970,1cyclictest0-21swapper/022:06:100
15029970,1cyclictest0-21swapper/021:40:180
15259966,0cyclictest35-21ksoftirqd/322:30:213
15259966,0cyclictest35-21ksoftirqd/319:30:203
15259965,1cyclictest5907-21ssh21:24:513
15259965,1cyclictest35-21ksoftirqd/322:35:133
15259965,1cyclictest16598-21ssh00:22:543
15259964,1cyclictest35-21ksoftirqd/323:50:133
15259964,1cyclictest23175-21pmu-power21:45:193
15259963,2cyclictest14226-21sendmail_mailqu22:15:193
15259963,1cyclictest240-21systemd-journal00:00:013
15259962,3cyclictest1-21systemd23:14:553
15259962,1cyclictest26983-21diskmemload22:00:173
15259961,4cyclictest17778-21/usr/sbin/munin20:50:243
15259960,3cyclictest3954-21kworker/3:222:05:123
15259960,3cyclictest0-21swapper/322:20:083
15259960,1cyclictest240-21systemd-journal19:49:553
15259960,1cyclictest0-21swapper/323:20:113
15179966,0cyclictest61650irq/122-eno123:45:142
15179966,0cyclictest61650irq/122-eno123:10:052
15179966,0cyclictest61650irq/122-eno122:45:182
15179966,0cyclictest61650irq/122-eno122:25:132
15179966,0cyclictest61650irq/122-eno122:10:482
15179966,0cyclictest61650irq/122-eno122:10:482
15179966,0cyclictest61650irq/122-eno121:46:182
15179966,0cyclictest61650irq/122-eno121:35:052
15179966,0cyclictest61650irq/122-eno121:05:202
15179966,0cyclictest61650irq/122-eno120:54:572
15179966,0cyclictest61650irq/122-eno120:30:162
15179966,0cyclictest61650irq/122-eno120:09:222
15179966,0cyclictest61650irq/122-eno119:43:472
15179966,0cyclictest61650irq/122-eno119:20:292
15179966,0cyclictest61650irq/122-eno119:14:292
15179966,0cyclictest61650irq/122-eno100:25:092
15179966,0cyclictest61650irq/122-eno100:15:182
15179966,0cyclictest0-21swapper/200:31:582
15179965,1cyclictest61650irq/122-eno120:20:112
15179965,1cyclictest61650irq/122-eno120:20:112
15179965,1cyclictest61650irq/122-eno100:05:132
15179965,1cyclictest1747-21ntpd20:45:592
15179965,0cyclictest61650irq/122-eno100:20:132
15179964,1cyclictest61650irq/122-eno119:25:192
15179961,3cyclictest26983-21diskmemload23:20:172
15179960,6cyclictest0-21swapper/222:30:032
15179960,6cyclictest0-21swapper/221:50:212
15179960,5cyclictest12045-21apt-get19:30:112
15179960,4cyclictest0-21swapper/219:35:112
15099961,2cyclictest0-21swapper/123:40:111
15099961,2cyclictest0-21swapper/100:30:111
15099960,6cyclictest0-21swapper/122:23:301
15099960,6cyclictest0-21swapper/119:45:001
15099960,5cyclictest0-21swapper/120:00:141
15099960,4cyclictest0-21swapper/122:54:091
15099960,4cyclictest0-21swapper/122:10:111
15099960,4cyclictest0-21swapper/122:10:111
15099960,4cyclictest0-21swapper/100:39:541
15099960,3cyclictest0-21swapper/123:35:131
15099960,2cyclictest0-21swapper/123:53:201
15099960,2cyclictest0-21swapper/123:46:241
15099960,2cyclictest0-21swapper/121:14:551
15029963,1cyclictest240-21systemd-journal19:27:200
15029960,5cyclictest32616-21grep20:10:190
15029960,1cyclictest13975-21ssh22:55:550
15029960,1cyclictest0-21swapper/023:00:130
15029960,0cyclictest0-21swapper/021:35:110
15029960,0cyclictest0-21swapper/019:30:110
15029960,0cyclictest0-21swapper/019:16:290
15029960,0cyclictest0-21swapper/019:10:130
15259955,0cyclictest35-21ksoftirqd/320:35:013
15259954,1cyclictest9291-21ntpq20:30:163
15259954,1cyclictest35-21ksoftirqd/321:00:133
15259954,1cyclictest35-21ksoftirqd/320:05:003
15259954,1cyclictest35-21ksoftirqd/319:55:143
15259952,1cyclictest25068-21/usr/sbin/munin21:05:133
15259951,2cyclictest240-21systemd-journal20:05:513
15259951,1cyclictest15740-21cstates20:45:133
15179955,0cyclictest61650irq/122-eno121:01:402
15179955,0cyclictest61650irq/122-eno120:40:452
15179955,0cyclictest61650irq/122-eno120:25:212
15179955,0cyclictest61650irq/122-eno119:45:142
15179954,1cyclictest61650irq/122-eno120:10:172
15179950,4cyclictest0-21swapper/219:55:132
15099955,0cyclictest0-21swapper/122:00:031
15099955,0cyclictest0-21swapper/121:33:071
15099953,1cyclictest0-21swapper/123:56:091
15099952,2cyclictest0-21swapper/122:40:211
15099951,1cyclictest0-21swapper/122:05:101
15099950,5cyclictest0-21swapper/120:10:151
15099950,5cyclictest0-21swapper/119:35:141
15099950,5cyclictest0-21swapper/119:16:541
15099950,5cyclictest0-21swapper/119:11:521
15099950,4cyclictest0-21swapper/123:12:071
15099950,4cyclictest0-21swapper/122:38:391
15099950,4cyclictest0-21swapper/121:55:141
15099950,4cyclictest0-21swapper/121:20:001
15099950,3cyclictest0-21swapper/123:07:241
15099950,3cyclictest0-21swapper/119:45:121
15099950,2cyclictest0-21swapper/123:25:121
15099950,2cyclictest0-21swapper/122:25:111
15099950,2cyclictest0-21swapper/122:17:081
15099950,2cyclictest0-21swapper/121:48:321
15099950,2cyclictest0-21swapper/120:15:121
15099950,1cyclictest0-21swapper/121:20:571
15099950,0cyclictest0-21swapper/100:01:191
15029954,1cyclictest9-21ksoftirqd/019:20:020
15029952,1cyclictest548-21systemd-logind20:15:200
15029950,4cyclictest8928-21gltestperf20:30:130
15029950,4cyclictest28554-21/usr/sbin/munin20:05:200
15029950,4cyclictest21292-21ntp_states20:55:190
15029950,1cyclictest21474-21/usr/sbin/munin19:50:120
15029950,1cyclictest0-21swapper/020:40:110
15029950,0cyclictest0-21swapper/020:00:190
15259943,1cyclictest35-21ksoftirqd/320:25:143
15259941,1cyclictest13074-21apt-get20:40:113
15099942,1cyclictest26824-21chrt22:31:391
15099942,1cyclictest0-21swapper/119:25:001
15099941,2cyclictest0-21swapper/120:40:111
15099941,2cyclictest0-21swapper/119:55:121
15099941,2cyclictest0-21swapper/100:10:111
15099941,1cyclictest0-21swapper/121:00:171
15099941,1cyclictest0-21swapper/120:45:151
15099941,1cyclictest0-21swapper/100:05:111
15099940,3cyclictest0-21swapper/122:45:141
15099940,3cyclictest0-21swapper/119:26:451
15099940,2cyclictest0-21swapper/121:35:331
15099940,1cyclictest0-21swapper/120:55:121
15099940,1cyclictest0-21swapper/120:35:121
15099940,1cyclictest0-21swapper/120:30:001
15099940,1cyclictest0-21swapper/120:20:111
15099940,1cyclictest0-21swapper/120:20:111
15099940,1cyclictest0-21swapper/100:25:131
15099940,1cyclictest0-21swapper/100:20:071
15099932,1cyclictest28547-21chrt20:05:051
15099931,1cyclictest0-21swapper/119:30:181
15099930,3cyclictest0-21swapper/121:05:191
15099930,1cyclictest0-21swapper/119:50:111
15099920,1cyclictest0-21swapper/120:30:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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