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2026-03-10 - 06:39
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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 all highest latencies:
System rack1slot1.osadl.org (updated Tue Mar 10, 2026 00:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
167742209150,48sleep30-21swapper/319:07:473
166372202161,27sleep20-21swapper/219:06:022
168332200163,24sleep00-21swapper/019:08:330
167572198160,25sleep10-21swapper/119:07:331
263522560,0sleep30-21swapper/320:35:143
1703999140,12cyclictest0-21swapper/100:15:151
1702699143,4cyclictest22124-21apt-get22:05:110
1702699140,5cyclictest24833-21date19:25:000
1702699140,1cyclictest22785-21ssh21:25:120
17050991311,1cyclictest28-21ksoftirqd/221:30:012
57992120,0sleep10-21swapper/121:44:121
17058991211,1cyclictest35-21ksoftirqd/323:10:003
1702699125,1cyclictest9336-21ssh22:30:110
1702699120,6cyclictest15218-21/usr/sbin/munin00:00:190
1702699115,1cyclictest6375-21ssh21:45:070
1702699115,1cyclictest12752-1kworker/u9:122:27:340
1705099100,9cyclictest61650irq/122-eno122:19:282
1702699105,1cyclictest31762-21ssh22:58:360
1702699105,1cyclictest10703-21ssh21:10:150
1702699100,6cyclictest9931-21diskmemload23:58:110
1702699100,6cyclictest760-1kworker/u9:200:31:120
1702699100,6cyclictest10955-21ssh23:54:510
1702699100,1cyclictest26415-21ssh23:32:430
170589998,1cyclictest35-21ksoftirqd/300:40:003
170589990,5cyclictest10001-21perf21:50:003
170509998,1cyclictest28-21ksoftirqd/222:30:012
170509997,1cyclictest28-21ksoftirqd/222:45:002
170269993,5cyclictest19385-21munin-node23:20:350
170269991,3cyclictest0-21swapper/020:50:120
170269990,9cyclictest0-21swapper/021:56:480
170269990,0cyclictest9931-21diskmemload22:20:380
170269990,0cyclictest0-21swapper/021:15:190
21181280,1sleep30-21swapper/300:06:053
170589988,0cyclictest707-21snmpd21:15:013
170589988,0cyclictest35-21ksoftirqd/321:25:003
170589987,1cyclictest35-21ksoftirqd/323:49:593
170589987,1cyclictest35-21ksoftirqd/322:10:003
170589986,1cyclictest707-21snmpd22:21:303
170589984,3cyclictest572-21nscd00:21:123
170509987,1cyclictest28-21ksoftirqd/223:20:412
170509987,1cyclictest28-21ksoftirqd/219:25:132
170509986,1cyclictest61650irq/122-eno123:30:142
170509986,1cyclictest61650irq/122-eno122:45:172
170509986,1cyclictest61650irq/122-eno122:35:012
170509986,1cyclictest61650irq/122-eno121:56:012
170509986,1cyclictest61650irq/122-eno121:20:002
170509986,1cyclictest61650irq/122-eno120:15:232
170509986,1cyclictest29549-21ntpq20:40:172
170509981,6cyclictest7923-21kworker/u8:021:24:372
170509981,6cyclictest61650irq/122-eno122:55:262
170509980,8cyclictest0-21swapper/223:27:202
170509980,5cyclictest8536-21python19:55:202
170399984,0cyclictest0-21swapper/122:56:541
170399981,1cyclictest0-21swapper/100:05:451
170269987,1cyclictest9-21ksoftirqd/023:25:140
170269987,1cyclictest30112-21/usr/sbin/munin19:35:160
170269986,1cyclictest707-21snmpd22:01:420
170269986,1cyclictest707-21snmpd21:09:320
170269986,1cyclictest707-21snmpd20:44:280
170269986,1cyclictest707-21snmpd19:16:550
170269982,3cyclictest9931-21diskmemload21:35:070
170269980,7cyclictest19693-21ssh22:42:240
170269980,1cyclictest2578-21aten_r1power_en21:40:120
170269980,0cyclictest2157-21ssh23:42:400
21126270,1sleep10-21swapper/122:03:111
170589977,0cyclictest35-21ksoftirqd/321:10:003
170589976,1cyclictest707-21snmpd23:33:153
170589976,1cyclictest707-21snmpd22:17:433
170589976,1cyclictest707-21snmpd20:57:463
170589976,1cyclictest707-21snmpd20:54:433
170589976,1cyclictest35-21ksoftirqd/323:30:003
170589976,1cyclictest35-21ksoftirqd/320:35:003
170589976,1cyclictest35-21ksoftirqd/300:00:013
170589976,1cyclictest19158-21cat22:00:153
170589975,1cyclictest707-21snmpd23:39:573
170589975,1cyclictest707-21snmpd23:22:163
170589975,1cyclictest707-21snmpd22:26:543
170589975,1cyclictest707-21snmpd20:18:423
170589975,1cyclictest707-21snmpd20:13:113
170589975,1cyclictest707-21snmpd19:12:283
170589975,1cyclictest35-21ksoftirqd/321:35:143
170589975,1cyclictest29228-21ssh21:31:453
170589974,1cyclictest13650irq/124-ahci[0020:09:543
170589973,2cyclictest240-21systemd-journal22:15:013
170589972,3cyclictest4289-1kworker/u9:222:30:323
170589971,4cyclictest16503-21pmu-power00:00:183
170589971,3cyclictest9931-21diskmemload23:02:253
170589971,3cyclictest9931-21diskmemload22:45:083
170589970,4cyclictest0-21swapper/320:00:143
170589970,4cyclictest0-21swapper/319:50:123
170589970,3cyclictest0-21swapper/323:10:153
170509976,1cyclictest707-21snmpd22:51:052
170509976,1cyclictest61650irq/122-eno122:07:262
170509976,1cyclictest61650irq/122-eno121:49:152
170509976,1cyclictest28-21ksoftirqd/220:55:002
170509976,1cyclictest28-21ksoftirqd/200:00:002
170509976,1cyclictest1388-21ntpq23:00:192
170509976,0cyclictest61650irq/122-eno100:10:122
170509976,0cyclictest61650irq/122-eno100:10:112
170509975,1cyclictest707-21snmpd23:05:322
170509975,1cyclictest707-21snmpd21:41:332
170509975,1cyclictest707-21snmpd21:07:372
170509975,1cyclictest707-21snmpd19:11:042
170509975,1cyclictest707-21snmpd00:30:192
170509975,1cyclictest707-21snmpd00:20:072
170509975,1cyclictest446-21ssh21:35:402
170509975,1cyclictest28-21ksoftirqd/222:20:132
170509975,1cyclictest28-21ksoftirqd/220:35:012
170509973,2cyclictest548-21systemd-logind21:10:202
170509972,3cyclictest0-21swapper/200:03:532
170509971,3cyclictest0-21swapper/200:09:332
170509970,4cyclictest9997-21apt-get21:50:002
170509970,2cyclictest0-21swapper/223:10:132
170399973,4cyclictest21-21ksoftirqd/123:52:531
170399971,6cyclictest0-21swapper/122:32:331
170399970,6cyclictest0-21swapper/123:42:481
170399970,6cyclictest0-21swapper/122:50:131
170399970,1cyclictest0-21swapper/123:31:291
170399970,1cyclictest0-21swapper/122:11:491
170269975,1cyclictest707-21snmpd21:30:090
170269975,1cyclictest707-21snmpd20:26:000
170269975,1cyclictest707-21snmpd19:44:080
170269975,1cyclictest707-21snmpd00:15:390
170269975,1cyclictest30625-21fschecks_count22:15:140
170269975,1cyclictest25731-21apt-get22:10:010
170269972,1cyclictest4149-21rm00:25:450
170269971,3cyclictest9931-21diskmemload22:45:220
170269971,2cyclictest0-21swapper/000:10:120
170269971,2cyclictest0-21swapper/000:10:110
170269971,1cyclictest0-21swapper/020:55:500
170269970,6cyclictest9931-21diskmemload23:47:180
170269970,6cyclictest9931-21diskmemload00:05:330
170269970,6cyclictest32621-21ssh23:00:120
170269970,6cyclictest26613-21smartctl19:25:180
170269970,6cyclictest23703-21basename20:30:110
170269970,6cyclictest13927-21ssh23:15:350
170269970,6cyclictest10286-21dpkg21:49:590
170269970,6cyclictest0-21swapper/022:50:180
170269970,6cyclictest0-21swapper/020:05:100
170269970,6cyclictest0-21swapper/000:38:180
170269970,5cyclictest31391-21fschecks_time00:20:130
170269970,1cyclictest6029-21ssh23:05:480
170269970,1cyclictest18764-21timerandwakeup19:10:220
170269970,1cyclictest15711-21ssh22:37:110
170269970,1cyclictest0-21swapper/023:10:180
170269970,1cyclictest0-21swapper/021:22:590
170269970,1cyclictest0-21swapper/020:04:020
170589965,1cyclictest9605-21ssh23:51:193
170589965,1cyclictest8728-21ssh00:32:383
170589965,1cyclictest707-21snmpd19:39:193
170589965,1cyclictest707-21snmpd19:28:133
170589965,1cyclictest4449-21ssh21:40:423
170589965,1cyclictest4040-21ssh00:25:283
170589965,1cyclictest35-21ksoftirqd/323:40:193
170589965,1cyclictest35-21ksoftirqd/322:55:003
170589965,1cyclictest35-21ksoftirqd/321:55:193
170589965,1cyclictest35-21ksoftirqd/321:04:593
170589965,1cyclictest29750-21ssh00:18:153
170589965,1cyclictest24780-21ssh22:50:013
170589965,1cyclictest23678-21cat21:25:153
170589965,1cyclictest22956-21ssh00:10:083
170589965,1cyclictest22956-21ssh00:10:083
170589965,1cyclictest12391-21ssh21:50:403
170589964,1cyclictest22152-21sh19:17:013
170589964,1cyclictest16800-21ssh21:16:593
170589963,1cyclictest240-21systemd-journal22:44:593
170589960,2cyclictest0-21swapper/322:35:123
170509966,0cyclictest61650irq/122-eno123:46:192
170509966,0cyclictest61650irq/122-eno123:41:412
170509966,0cyclictest61650irq/122-eno123:15:052
170509966,0cyclictest61650irq/122-eno122:00:122
170509966,0cyclictest61650irq/122-eno121:30:002
170509966,0cyclictest61650irq/122-eno120:20:002
170509966,0cyclictest61650irq/122-eno119:50:302
170509966,0cyclictest61650irq/122-eno119:45:122
170509966,0cyclictest61650irq/122-eno119:23:262
170509966,0cyclictest61650irq/122-eno119:15:122
170509966,0cyclictest61650irq/122-eno100:35:132
170509966,0cyclictest61650irq/122-eno100:25:172
170509966,0cyclictest61650irq/122-eno100:15:112
170509965,1cyclictest61650irq/122-eno123:50:022
170509965,1cyclictest61650irq/122-eno119:35:122
170509965,1cyclictest15011-21ssh22:35:232
170509964,1cyclictest707-21snmpd19:30:142
170509964,1cyclictest6326-21cat21:00:142
170509964,1cyclictest61650irq/122-eno120:55:172
170509964,1cyclictest61650irq/122-eno120:00:132
170509964,1cyclictest28387-21ssh22:11:192
170509964,1cyclictest28-21ksoftirqd/223:35:002
170509963,2cyclictest31983-21head20:45:192
170509960,6cyclictest0-21swapper/220:37:432
170509960,6cyclictest0-21swapper/220:06:452
170509960,2cyclictest0-21swapper/220:25:162
170399961,3cyclictest0-21swapper/121:04:591
170399961,2cyclictest0-21swapper/121:55:111
170399960,6cyclictest0-21swapper/123:22:201
170399960,6cyclictest0-21swapper/123:16:051
170399960,6cyclictest0-21swapper/121:49:261
170399960,6cyclictest0-21swapper/121:10:141
170399960,6cyclictest0-21swapper/120:34:491
170399960,6cyclictest0-21swapper/120:04:511
170399960,6cyclictest0-21swapper/119:52:051
170399960,6cyclictest0-21swapper/119:29:161
170399960,6cyclictest0-21swapper/100:21:181
170399960,5cyclictest0-21swapper/123:37:091
170399960,5cyclictest0-21swapper/123:25:151
170399960,5cyclictest0-21swapper/122:25:151
170399960,5cyclictest0-21swapper/100:14:491
170399960,5cyclictest0-21swapper/100:14:481
170399960,4cyclictest0-21swapper/122:40:141
170399960,4cyclictest0-21swapper/100:25:141
170399960,1cyclictest0-21swapper/122:45:131
170399960,1cyclictest0-21swapper/120:55:401
170399960,1cyclictest0-21swapper/120:16:441
170399960,1cyclictest0-21swapper/119:34:131
170269965,1cyclictest707-21snmpd19:54:490
170269965,1cyclictest6594-21ntpq21:00:160
170269964,1cyclictest707-21snmpd20:19:180
170269964,1cyclictest707-21snmpd20:12:000
170269964,1cyclictest30883-21cut20:45:130
170269960,5cyclictest27771-21apt-get23:35:090
170269960,2cyclictest0-21swapper/019:32:470
170269960,0cyclictest0-21swapper/020:24:450
2029250,0sleep10-21swapper/122:20:141
170589954,1cyclictest35-21ksoftirqd/319:30:123
170589954,1cyclictest29547-21ntpq20:40:183
170589952,0cyclictest32490-21apt-get19:40:113
170589951,2cyclictest21068-21munin-run20:25:013
170589950,5cyclictest0-21swapper/320:28:063
170589950,4cyclictest0-21swapper/319:55:203
170589950,0cyclictest0-21swapper/323:15:113
170509955,0cyclictest61650irq/122-eno119:40:152
170509953,1cyclictest61650irq/122-eno120:10:122
170399955,0cyclictest0-21swapper/123:10:221
170399955,0cyclictest0-21swapper/121:36:571
170399955,0cyclictest0-21swapper/121:22:151
170399954,1cyclictest0-21swapper/119:21:051
170399953,1cyclictest18934-21chrt20:20:031
170399951,4cyclictest21-21ksoftirqd/121:27:181
170399950,5cyclictest0-21swapper/123:00:201
170399950,5cyclictest0-21swapper/121:51:541
170399950,5cyclictest0-21swapper/121:16:231
170399950,5cyclictest0-21swapper/120:10:281
170399950,4cyclictest0-21swapper/100:39:011
170399950,3cyclictest0-21swapper/123:06:531
170399950,3cyclictest0-21swapper/122:15:201
170399950,2cyclictest0-21swapper/123:46:261
170399950,2cyclictest0-21swapper/122:05:131
170399950,2cyclictest0-21swapper/119:15:121
170399950,2cyclictest0-21swapper/100:30:231
170399950,1cyclictest0-21swapper/121:30:151
170399950,0cyclictest0-21swapper/119:58:131
170399950,0cyclictest0-21swapper/100:01:171
170269953,1cyclictest7127-21/usr/sbin/munin19:55:130
170269950,5cyclictest0-21swapper/019:45:420
170269950,4cyclictest26512-21df_inode20:35:150
170589944,0cyclictest707-21snmpd19:24:443
170589942,1cyclictest31061-21cat20:45:143
170589942,1cyclictest2981-21cut19:45:153
170399944,0cyclictest0-21swapper/120:48:301
170399942,1cyclictest0-21swapper/120:25:141
170399942,1cyclictest0-21swapper/119:40:131
170399940,4cyclictest0-21swapper/122:35:151
170399940,4cyclictest0-21swapper/120:05:191
170399940,4cyclictest0-21swapper/119:39:461
170399940,4cyclictest0-21swapper/119:14:011
170399940,3cyclictest2621-21taskset20:52:271
170399940,2cyclictest0-21swapper/119:45:211
170399940,1cyclictest0-21swapper/121:05:131
170399940,0cyclictest0-21swapper/123:55:291
170399931,1cyclictest0-21swapper/120:40:111
170399930,2cyclictest0-21swapper/120:35:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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