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2026-06-26 - 13:53
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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 Jun 26, 2026 12:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89342216159,45sleep00-21swapper/007:07:390
89952200161,25sleep20-21swapper/207:08:262
89422200162,25sleep30-21swapper/307:07:473
89872199162,24sleep10-21swapper/107:08:211
116722620,0sleep30-21swapper/311:34:163
9201991815,1cyclictest28-21ksoftirqd/210:16:412
9201991515,0cyclictest28-21ksoftirqd/211:03:142
9201991412,1cyclictest28-21ksoftirqd/209:20:122
919899143,5cyclictest14361-21apt-get10:10:010
9201991312,1cyclictest28-21ksoftirqd/212:20:182
9201991312,1cyclictest28-21ksoftirqd/209:05:002
9201991312,1cyclictest28-21ksoftirqd/208:00:002
9201991211,1cyclictest28-21ksoftirqd/210:20:192
9201991210,1cyclictest28-21ksoftirqd/212:05:172
9201991210,1cyclictest28-21ksoftirqd/212:00:202
920199119,1cyclictest28-21ksoftirqd/211:40:102
9201991111,0cyclictest28-21ksoftirqd/209:15:182
9201991110,1cyclictest28-21ksoftirqd/212:15:142
9201991110,1cyclictest28-21ksoftirqd/211:21:032
9201991110,1cyclictest28-21ksoftirqd/211:19:592
9201991110,1cyclictest28-21ksoftirqd/210:42:372
9201991110,1cyclictest28-21ksoftirqd/210:00:132
9201991110,1cyclictest28-21ksoftirqd/209:58:172
9201991110,1cyclictest28-21ksoftirqd/209:30:132
9201991110,1cyclictest28-21ksoftirqd/209:10:102
9201991110,1cyclictest28-21ksoftirqd/209:10:012
9201991110,1cyclictest28-21ksoftirqd/207:40:162
919899113,4cyclictest8347-21perf08:15:010
9198991110,1cyclictest9-21ksoftirqd/012:30:000
920199109,1cyclictest61650irq/122-eno111:35:212
920199109,1cyclictest28-21ksoftirqd/211:51:342
920199109,1cyclictest28-21ksoftirqd/210:51:072
920199109,1cyclictest28-21ksoftirqd/210:30:162
920199109,1cyclictest28-21ksoftirqd/209:54:062
920199109,1cyclictest28-21ksoftirqd/208:20:212
920199108,1cyclictest28-21ksoftirqd/210:36:152
919899103,6cyclictest14615-21perf07:20:010
919899102,4cyclictest24285-21cut07:40:000
919899100,5cyclictest15215-21perf10:55:010
73332100,0sleep30-21swapper/310:43:293
92089997,1cyclictest35-21ksoftirqd/308:20:013
92089990,7cyclictest2261-21diskmemload11:00:373
92019999,0cyclictest28-21ksoftirqd/211:28:452
92019999,0cyclictest28-21ksoftirqd/209:25:192
92019998,1cyclictest28-21ksoftirqd/212:36:592
92019998,1cyclictest28-21ksoftirqd/212:31:312
92019998,1cyclictest28-21ksoftirqd/212:27:012
92019998,1cyclictest28-21ksoftirqd/212:12:012
92019998,1cyclictest28-21ksoftirqd/210:55:132
92019998,1cyclictest28-21ksoftirqd/210:45:162
92019998,1cyclictest28-21ksoftirqd/210:11:182
92019998,1cyclictest28-21ksoftirqd/210:05:162
92019998,1cyclictest28-21ksoftirqd/209:45:132
92019998,1cyclictest28-21ksoftirqd/208:50:002
92019997,1cyclictest28-21ksoftirqd/207:35:182
92019997,1cyclictest28-21ksoftirqd/207:25:012
92019990,6cyclictest2261-21diskmemload09:40:112
91989998,1cyclictest9-21ksoftirqd/010:15:000
91989993,5cyclictest24839-21apt-get08:50:000
91989991,6cyclictest561-21nscd10:03:380
14500290,1sleep10-21swapper/112:20:371
92089984,3cyclictest14028-21sh10:51:403
92089980,7cyclictest0-21swapper/307:25:013
92089980,6cyclictest769-21lldpd12:28:583
92089980,4cyclictest1224-21idleruntime-cro08:00:003
92089980,3cyclictest0-21swapper/308:20:103
92089980,2cyclictest0-21swapper/309:10:113
92019988,0cyclictest28-21ksoftirqd/207:15:192
92019987,1cyclictest28-21ksoftirqd/211:47:402
92019987,1cyclictest28-21ksoftirqd/211:30:022
92019987,1cyclictest28-21ksoftirqd/211:10:102
92019987,1cyclictest28-21ksoftirqd/210:29:232
92019987,1cyclictest28-21ksoftirqd/208:55:152
92019987,1cyclictest28-21ksoftirqd/208:40:192
92019987,1cyclictest28-21ksoftirqd/207:45:142
92019986,1cyclictest28-21ksoftirqd/209:35:172
92019986,1cyclictest28-21ksoftirqd/207:15:012
91999988,0cyclictest0-21swapper/109:50:201
91999980,5cyclictest0-21swapper/110:40:181
91989981,6cyclictest3121-21ssh09:54:180
91989981,4cyclictest2261-21diskmemload09:10:150
91989980,1cyclictest4723-21ssh12:09:090
21226280,1sleep00-21swapper/010:18:120
92089976,1cyclictest21236-21cat08:40:163
92089973,2cyclictest26381-21/usr/sbin/munin11:10:173
92089971,4cyclictest18481-21apt-get10:15:113
92089970,6cyclictest17724-21/usr/sbin/munin09:30:213
92089970,4cyclictest0-21swapper/311:26:303
92089970,3cyclictest1-21systemd12:12:083
92089970,2cyclictest0-21swapper/309:44:183
92019977,0cyclictest28-21ksoftirqd/211:05:122
92019977,0cyclictest28-21ksoftirqd/208:35:112
92019976,1cyclictest61650irq/122-eno108:15:142
92019976,1cyclictest28-21ksoftirqd/208:30:172
92019976,1cyclictest28-21ksoftirqd/208:10:112
92019976,1cyclictest28-21ksoftirqd/207:30:182
92019975,1cyclictest61650irq/122-eno111:55:112
92019975,1cyclictest61650irq/122-eno108:25:132
91999970,4cyclictest0-21swapper/111:34:161
91999970,4cyclictest0-21swapper/110:35:121
91989976,1cyclictest9590-21ssh10:45:210
91989976,1cyclictest30318-21cat10:30:140
91989976,1cyclictest26158-21ssh12:37:080
91989975,1cyclictest3606-21munin-run08:05:000
91989975,1cyclictest29961-21perf09:00:000
91989975,1cyclictest23317-21ntpq10:20:170
91989975,1cyclictest15161-21ssh11:38:490
91989973,2cyclictest2261-21diskmemload11:50:430
91989973,1cyclictest20540-21hddtemp_smartct07:30:160
91989973,1cyclictest10893-21date08:20:000
91989972,2cyclictest240-21systemd-journal08:35:560
91989972,1cyclictest26775-21/usr/sbin/munin11:55:100
91989971,5cyclictest21472-21/usr/sbin/munin09:35:120
91989971,2cyclictest0-21swapper/007:50:100
91989970,6cyclictest32539-21ssh12:01:150
91989970,6cyclictest2847-21cat11:20:210
91989970,6cyclictest25875-1kworker/u9:111:10:080
91989970,6cyclictest2261-21diskmemload10:35:180
91989970,6cyclictest2261-21diskmemload10:25:080
91989970,6cyclictest2261-21diskmemload09:40:050
91989970,6cyclictest17725-21ssh09:30:100
91989970,6cyclictest12967-21cstates12:20:130
91989970,6cyclictest0-21swapper/012:30:590
91989970,6cyclictest0-21swapper/012:15:120
91989970,6cyclictest0-21swapper/012:10:150
91989970,6cyclictest0-21swapper/011:25:230
91989970,6cyclictest0-21swapper/011:15:140
91989970,2cyclictest2261-21diskmemload09:20:100
91989970,1cyclictest9190-21cyclictest09:00:110
91989970,1cyclictest6017-21ssh09:57:050
91989970,1cyclictest21928-21ssh11:03:260
91989970,1cyclictest18633-21ssh10:59:320
91989970,1cyclictest16953-21ssh09:28:410
91989970,1cyclictest0-21swapper/011:45:140
91989970,1cyclictest0-21swapper/011:40:130
91989970,1cyclictest0-21swapper/011:05:110
18786270,1sleep10-21swapper/111:43:401
92089965,1cyclictest9290-21ssh10:00:543
92089965,1cyclictest6877-21ssh09:15:153
92089965,1cyclictest35-21ksoftirqd/308:05:043
92089965,1cyclictest35-21ksoftirqd/307:14:593
92089965,1cyclictest28918-21ssh10:29:223
92089965,1cyclictest25854-21ssh11:09:193
92089965,1cyclictest25367-21ssh11:51:353
92089965,1cyclictest24708-21ssh10:22:423
92089965,1cyclictest24050-21ssh09:37:373
92089965,1cyclictest22380-21ssh11:48:323
92089965,1cyclictest16781-21ntpq08:30:173
92089965,1cyclictest15723-21ssh12:24:133
92089965,1cyclictest1361-21ssh09:50:193
92089964,1cyclictest2261-21diskmemload12:05:283
92089963,1cyclictest240-21systemd-journal09:02:573
92089962,3cyclictest30177-21dump-pmu-power12:00:003
92089962,3cyclictest2261-21diskmemload09:55:073
92089962,2cyclictest1747-21ntpd08:50:173
92089961,3cyclictest13392-21latency07:15:203
92089961,3cyclictest0-21swapper/310:30:113
92089961,2cyclictest0-21swapper/311:21:093
92089960,6cyclictest0-21swapper/310:35:273
92089960,4cyclictest0-21swapper/311:40:453
92089960,4cyclictest0-21swapper/309:20:103
92089960,3cyclictest28804-21apt-get09:45:123
92089960,3cyclictest0-21swapper/312:00:003
92089960,3cyclictest0-21swapper/310:47:043
92089960,2cyclictest6685-21df08:10:133
92089960,2cyclictest2261-21diskmemload10:05:143
92089960,2cyclictest0-21swapper/311:17:253
92089960,1cyclictest29737-21/usr/sbin/munin07:50:133
92089960,1cyclictest240-21systemd-journal07:34:553
92089960,1cyclictest0-21swapper/312:15:113
92089960,1cyclictest0-21swapper/310:55:113
92089960,1cyclictest0-21swapper/308:00:113
92019966,0cyclictest61650irq/122-eno108:00:212
92019966,0cyclictest4482-21kworker/2:107:50:202
92019965,1cyclictest61650irq/122-eno108:45:142
92019961,0cyclictest0-21swapper/208:05:162
92019960,4cyclictest15985-21grep07:20:182
91999966,0cyclictest0-21swapper/110:15:511
91999963,0cyclictest0-21swapper/108:15:191
91999962,1cyclictest0-21swapper/111:59:291
91999961,3cyclictest0-21swapper/110:47:021
91999961,2cyclictest0-21swapper/110:55:091
91999960,6cyclictest0-21swapper/112:05:221
91999960,6cyclictest0-21swapper/111:51:271
91999960,6cyclictest0-21swapper/111:10:061
91999960,6cyclictest0-21swapper/109:05:141
91999960,6cyclictest0-21swapper/108:50:111
91999960,6cyclictest0-21swapper/108:09:261
91999960,6cyclictest0-21swapper/107:58:131
91999960,4cyclictest0-21swapper/111:02:121
91999960,4cyclictest0-21swapper/110:20:381
91999960,4cyclictest0-21swapper/109:29:581
91999960,2cyclictest0-21swapper/111:25:101
91999960,1cyclictest0-21swapper/109:35:151
91999960,0cyclictest0-21swapper/110:31:281
91999960,0cyclictest0-21swapper/108:10:111
91989965,1cyclictest1284-21ntp_states09:05:170
91989964,1cyclictest15732-21irqstats07:20:150
91989963,1cyclictest9-21ksoftirqd/007:43:400
91989960,5cyclictest2261-21diskmemload11:30:510
91989960,5cyclictest2261-21diskmemload10:40:040
91989960,1cyclictest240-21systemd-journal08:23:110
91989960,0cyclictest0-21swapper/009:45:180
91989960,0cyclictest0-21swapper/009:15:440
91989960,0cyclictest0-21swapper/007:48:120
17178260,1sleep30-21swapper/309:29:173
92089954,1cyclictest28169-21systemctl07:45:203
92089954,1cyclictest26053-21ssh12:36:503
92089954,1cyclictest22995-21irqstats07:35:153
92089953,1cyclictest23520-21hddtemp_smartct08:45:153
92089952,2cyclictest2261-21diskmemload10:10:503
92089950,4cyclictest28086-21tr08:55:133
92089950,2cyclictest15392-21munin-run08:30:003
92089950,1cyclictest0-21swapper/312:30:103
92089950,1cyclictest0-21swapper/311:35:433
92089950,1cyclictest0-21swapper/309:05:103
91999955,0cyclictest0-21swapper/108:49:221
91999955,0cyclictest0-21swapper/107:25:201
91999952,1cyclictest0-21swapper/112:00:121
91999951,4cyclictest0-21swapper/107:13:271
91999951,3cyclictest0-21swapper/111:15:121
91999951,2cyclictest0-21swapper/109:40:201
91999950,5cyclictest0-21swapper/110:01:231
91999950,5cyclictest0-21swapper/109:45:111
91999950,5cyclictest0-21swapper/108:20:371
91999950,5cyclictest0-21swapper/107:39:011
91999950,4cyclictest0-21swapper/110:29:551
91999950,3cyclictest1244-21chrt11:20:041
91999950,3cyclictest0-21swapper/112:26:131
91999950,3cyclictest0-21swapper/111:45:141
91999950,3cyclictest0-21swapper/110:50:201
91999950,3cyclictest0-21swapper/109:31:411
91999950,3cyclictest0-21swapper/109:15:291
91999950,3cyclictest0-21swapper/109:10:111
91999950,3cyclictest0-21swapper/107:45:171
91999950,2cyclictest0-21swapper/110:13:521
91999950,2cyclictest0-21swapper/109:55:121
91999950,2cyclictest0-21swapper/109:20:191
91999950,2cyclictest0-21swapper/108:35:111
91999950,1cyclictest0-21swapper/112:35:101
91999950,1cyclictest0-21swapper/112:30:101
91999950,1cyclictest0-21swapper/112:10:111
91999950,1cyclictest0-21swapper/111:38:291
91999950,1cyclictest0-21swapper/111:05:111
91999950,0cyclictest0-21swapper/107:19:411
91989955,0cyclictest0-21swapper/008:25:200
91989954,1cyclictest9393-21sshd07:10:040
91989953,1cyclictest32235-21cut07:55:160
91989950,5cyclictest0-21swapper/008:34:130
91989950,4cyclictest3830-21/usr/sbin/munin08:05:150
91989950,0cyclictest0-21swapper/008:50:190
91989950,0cyclictest0-21swapper/008:40:120
91989950,0cyclictest0-21swapper/007:25:140
92089943,1cyclictest24807-21expr07:40:133
92089943,1cyclictest19108-21awk08:35:173
92089943,1cyclictest14938-21aten_r1power_po07:20:133
91999940,4cyclictest0-21swapper/108:55:201
91999940,4cyclictest0-21swapper/108:30:191
91999940,3cyclictest0-21swapper/110:05:141
91999940,2cyclictest0-21swapper/108:40:121
91999940,2cyclictest0-21swapper/107:50:101
91999940,2cyclictest0-21swapper/107:30:121
91999940,1cyclictest0-21swapper/112:15:111
91999940,1cyclictest0-21swapper/109:00:101
91999940,1cyclictest0-21swapper/108:00:111
91999940,0cyclictest0-21swapper/107:20:201
91999930,2cyclictest0-21swapper/108:25:121
91999930,0cyclictest0-21swapper/107:40:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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