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2026-06-25 - 12:30
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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 Thu Jun 25, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
148162211171,26sleep20-21swapper/219:05:262
149482207157,24sleep00-21swapper/019:07:080
149662201160,26sleep30-21swapper/319:07:233
149192199162,24sleep10-21swapper/119:06:461
267882720,0sleep20-21swapper/221:33:052
199782170,0sleep00-21swapper/020:25:100
15270991716,1cyclictest28-21ksoftirqd/220:35:192
15270991615,1cyclictest28-21ksoftirqd/221:38:122
15270991615,1cyclictest28-21ksoftirqd/219:20:112
15270991614,1cyclictest28-21ksoftirqd/219:15:142
327002150,0sleep231544-21/usr/sbin/munin21:40:182
15270991515,0cyclictest28-21ksoftirqd/220:10:122
15270991514,1cyclictest28-21ksoftirqd/221:05:142
15270991514,1cyclictest28-21ksoftirqd/219:30:132
15270991414,0cyclictest28-21ksoftirqd/223:14:082
15270991413,1cyclictest28-21ksoftirqd/223:02:202
15270991413,1cyclictest28-21ksoftirqd/222:51:542
15270991413,1cyclictest28-21ksoftirqd/220:05:172
15270991413,0cyclictest28-21ksoftirqd/200:10:132
15270991412,1cyclictest28-21ksoftirqd/220:20:012
1527099140,13cyclictest0-21swapper/219:25:172
1526299140,13cyclictest0-21swapper/119:25:111
15270991313,0cyclictest28-21ksoftirqd/223:20:172
15270991313,0cyclictest28-21ksoftirqd/222:14:302
15270991312,1cyclictest28-21ksoftirqd/223:47:072
15270991312,1cyclictest28-21ksoftirqd/223:34:202
15270991312,1cyclictest28-21ksoftirqd/222:20:002
15270991312,1cyclictest28-21ksoftirqd/221:25:112
15270991312,1cyclictest28-21ksoftirqd/221:20:132
15270991312,1cyclictest28-21ksoftirqd/219:50:192
15270991311,1cyclictest28-21ksoftirqd/223:45:002
15270991311,1cyclictest28-21ksoftirqd/222:34:592
15270991311,1cyclictest28-21ksoftirqd/220:35:012
15270991311,1cyclictest28-21ksoftirqd/200:05:102
15270991311,1cyclictest28-21ksoftirqd/200:00:002
15254991312,1cyclictest9-21ksoftirqd/023:55:010
91182120,0sleep30-21swapper/321:53:043
15278991210,1cyclictest35-21ksoftirqd/323:40:003
1527099129,2cyclictest28-21ksoftirqd/200:39:592
1527099127,4cyclictest28-21ksoftirqd/223:25:112
15270991212,0cyclictest28-21ksoftirqd/222:55:392
15270991212,0cyclictest28-21ksoftirqd/222:40:042
15270991212,0cyclictest28-21ksoftirqd/200:24:062
15270991212,0cyclictest28-21ksoftirqd/200:24:062
15270991211,1cyclictest28-21ksoftirqd/223:50:112
15270991211,1cyclictest28-21ksoftirqd/222:00:202
15270991211,1cyclictest28-21ksoftirqd/221:55:132
15270991211,1cyclictest28-21ksoftirqd/221:15:132
15270991211,1cyclictest28-21ksoftirqd/220:00:132
15270991211,1cyclictest28-21ksoftirqd/219:55:172
15270991211,1cyclictest28-21ksoftirqd/219:15:012
15270991210,1cyclictest28-21ksoftirqd/223:15:112
15270991210,1cyclictest28-21ksoftirqd/223:05:142
15270991210,1cyclictest28-21ksoftirqd/222:25:152
15270991210,1cyclictest28-21ksoftirqd/222:25:002
15270991210,1cyclictest28-21ksoftirqd/221:50:182
15270991210,1cyclictest28-21ksoftirqd/221:05:002
15270991210,1cyclictest28-21ksoftirqd/220:45:002
15270991210,1cyclictest28-21ksoftirqd/220:25:002
15270991210,1cyclictest28-21ksoftirqd/219:50:002
15270991210,1cyclictest28-21ksoftirqd/219:40:012
15270991210,1cyclictest28-21ksoftirqd/200:30:012
15270991210,1cyclictest28-21ksoftirqd/200:15:112
15270991210,1cyclictest28-21ksoftirqd/200:00:162
1527099119,1cyclictest28-21ksoftirqd/222:10:002
1527099119,1cyclictest28-21ksoftirqd/221:10:132
1527099119,1cyclictest28-21ksoftirqd/220:45:212
1527099119,1cyclictest28-21ksoftirqd/220:25:012
1527099119,1cyclictest28-21ksoftirqd/219:40:132
1527099119,1cyclictest28-21ksoftirqd/200:30:002
15270991111,0cyclictest28-21ksoftirqd/222:45:102
15270991110,1cyclictest28-21ksoftirqd/222:38:492
15270991110,1cyclictest28-21ksoftirqd/221:49:592
15270991110,1cyclictest28-21ksoftirqd/220:55:122
1527099110,10cyclictest0-21swapper/223:35:172
15262991110,1cyclictest0-21swapper/122:27:281
1525499113,4cyclictest21198-21kworker/0:000:10:000
1527899109,1cyclictest35-21ksoftirqd/322:30:003
1527099108,1cyclictest28-21ksoftirqd/220:55:002
1525499109,1cyclictest9-21ksoftirqd/023:30:000
1525499109,1cyclictest9-21ksoftirqd/021:10:200
1525499109,1cyclictest9-21ksoftirqd/020:45:000
1525499109,1cyclictest9-21ksoftirqd/019:55:000
1525499109,0cyclictest9-21ksoftirqd/000:20:160
1525499109,0cyclictest9-21ksoftirqd/000:20:150
1525499108,1cyclictest9-21ksoftirqd/022:05:110
1525499102,4cyclictest23051-21perf19:25:000
1525499102,4cyclictest15171-21ssh00:15:000
1525499101,4cyclictest21406-21grep22:55:000
152789993,5cyclictest30246-21/usr/sbin/munin00:35:143
152549998,1cyclictest9-21ksoftirqd/023:45:110
152549998,1cyclictest9-21ksoftirqd/023:05:000
152549998,1cyclictest9-21ksoftirqd/021:15:160
152549998,1cyclictest9-21ksoftirqd/019:15:010
152549998,1cyclictest9-21ksoftirqd/000:35:140
152549998,1cyclictest9-21ksoftirqd/000:25:170
152549997,1cyclictest9-21ksoftirqd/019:10:130
152549991,7cyclictest22249-21sh21:26:210
152789987,1cyclictest35-21ksoftirqd/321:00:003
152789987,1cyclictest35-21ksoftirqd/319:35:013
152789981,2cyclictest693-21runrttasks22:32:563
152789980,5cyclictest11148-21/usr/sbin/munin23:25:193
152629981,3cyclictest0-21swapper/121:05:121
152629980,4cyclictest0-21swapper/123:10:191
152549987,1cyclictest9-21ksoftirqd/023:55:100
152549987,1cyclictest9-21ksoftirqd/022:45:120
152549987,1cyclictest9-21ksoftirqd/022:42:280
152549987,1cyclictest9-21ksoftirqd/020:20:000
152549987,1cyclictest9-21ksoftirqd/019:40:010
152549987,1cyclictest9-21ksoftirqd/000:20:010
152549987,0cyclictest9-21ksoftirqd/000:00:130
152549986,1cyclictest9-21ksoftirqd/021:00:140
152549984,3cyclictest21020-21/usr/sbin/munin22:10:210
152549982,6cyclictest10359-21chrt22:39:470
152549982,2cyclictest240-21systemd-journal22:30:270
152549981,1cyclictest0-21swapper/021:22:500
152549980,7cyclictest27779-21ntpq00:30:180
152549980,4cyclictest7286-21latency_hist23:19:590
152549980,4cyclictest6194-21perf21:50:000
152549980,4cyclictest14810-21perf20:15:000
15596270,1sleep10-21swapper/122:00:321
152789977,0cyclictest35-21ksoftirqd/322:00:163
152789977,0cyclictest35-21ksoftirqd/321:45:013
152789976,1cyclictest8257-21ntpq22:35:173
152789976,1cyclictest35-21ksoftirqd/323:10:003
152789976,1cyclictest35-21ksoftirqd/323:05:013
152789976,1cyclictest35-21ksoftirqd/322:50:013
152789976,1cyclictest35-21ksoftirqd/319:15:013
152789975,1cyclictest3271-21ssh23:57:203
152789975,1cyclictest26567-21ssh00:30:033
152789975,1cyclictest2275-21ssh23:11:173
152789975,1cyclictest22269-21ssh21:26:233
152789973,1cyclictest22072-21awk20:30:013
152789972,4cyclictest13429-21diskmemload22:43:033
152789972,3cyclictest0-21swapper/323:53:573
152789972,2cyclictest240-21systemd-journal22:24:123
152789971,6cyclictest12457-21kworker/u8:121:21:423
152789971,4cyclictest15422-21apt-get00:15:103
152789970,6cyclictest11710-21ssh00:10:023
152789970,4cyclictest0-21swapper/321:55:193
152789970,3cyclictest8059-21aten_r1power_po20:00:133
152789970,3cyclictest11003-21taskset00:08:363
152789970,1cyclictest0-21swapper/321:15:293
152629971,3cyclictest0-21swapper/100:05:101
152629970,4cyclictest0-21swapper/123:32:171
152629970,4cyclictest0-21swapper/122:17:171
152629970,4cyclictest0-21swapper/122:05:111
152629970,4cyclictest0-21swapper/121:58:281
152549977,0cyclictest9-21ksoftirqd/022:15:150
152549976,1cyclictest9-21ksoftirqd/023:10:140
152549976,1cyclictest9-21ksoftirqd/022:25:140
152549976,1cyclictest9-21ksoftirqd/021:40:150
152549976,1cyclictest9-21ksoftirqd/020:04:590
152549976,1cyclictest4923-1kworker/u9:121:51:090
152549975,1cyclictest9-21ksoftirqd/020:45:130
152549975,1cyclictest29850-21cat23:05:140
152549973,1cyclictest240-21systemd-journal23:29:590
152549970,6cyclictest9454-21ssh23:20:500
152549970,6cyclictest8503-21diskmemload21:35:210
152549970,6cyclictest15668-21ssh22:00:430
152549970,1cyclictest30272-21ssh22:20:470
152549970,1cyclictest26779-21sh21:33:040
152549970,1cyclictest24035-21ssh23:40:210
152789965,1cyclictest966-21ssh21:40:313
152789965,1cyclictest9499-21ssh23:20:573
152789965,1cyclictest6007-21ssh23:16:303
152789965,1cyclictest5667-21ntpq00:00:183
152789965,1cyclictest35-21ksoftirqd/320:35:003
152789965,1cyclictest35-21ksoftirqd/320:15:013
152789965,1cyclictest35-21ksoftirqd/319:55:003
152789965,1cyclictest35-21ksoftirqd/300:30:003
152789965,1cyclictest28520-21ssh23:47:393
152789965,1cyclictest26481-21ssh21:32:203
152789965,1cyclictest24615-21ssh22:15:023
152789965,1cyclictest22950-21ssh22:10:453
152789965,1cyclictest21143-21ssh00:20:283
152789965,1cyclictest21143-21ssh00:20:273
152789965,1cyclictest19857-21ssh22:50:313
152789965,1cyclictest19354-21ssh22:05:533
152789964,1cyclictest35-21ksoftirqd/320:35:073
152789964,1cyclictest30066-21apt-get19:40:013
152789964,1cyclictest29994-21ssh21:36:293
152789963,1cyclictest4030-21/usr/sbin/munin21:00:203
152789963,1cyclictest240-21systemd-journal20:20:553
152789963,0cyclictest8503-21diskmemload21:10:043
152789960,6cyclictest0-21swapper/321:06:513
152789960,6cyclictest0-21swapper/319:46:413
152789960,3cyclictest23464-21seq22:55:263
152789960,1cyclictest240-21systemd-journal20:44:563
152789960,1cyclictest23665-21processes23:40:193
152789960,1cyclictest0-21swapper/319:20:103
152629964,1cyclictest0-21swapper/123:15:201
152629961,4cyclictest0-21swapper/120:15:121
152629961,3cyclictest0-21swapper/120:40:221
152629961,3cyclictest0-21swapper/100:18:321
152629960,6cyclictest0-21swapper/121:26:041
152629960,4cyclictest0-21swapper/122:55:361
152629960,3cyclictest0-21swapper/123:45:031
152629960,2cyclictest0-21swapper/121:31:101
152629960,1cyclictest0-21swapper/119:35:121
152629960,0cyclictest0-21swapper/123:01:431
152549965,1cyclictest9-21ksoftirqd/020:20:140
152549965,1cyclictest9-21ksoftirqd/019:55:120
152549965,1cyclictest3060-21python20:55:170
152549965,1cyclictest15104-1kworker/u9:123:35:160
152549964,1cyclictest22286-21/usr/sbin/munin20:30:140
152549960,6cyclictest0-21swapper/021:05:140
152549960,5cyclictest12020-21users20:05:210
152549960,1cyclictest22542-21ssh22:55:160
152549960,0cyclictest8503-21diskmemload21:55:140
152549960,0cyclictest0-21swapper/019:45:170
13347260,1sleep10-21swapper/123:26:351
152789954,1cyclictest35-21ksoftirqd/320:45:133
152789954,1cyclictest35-21ksoftirqd/320:15:123
152789954,1cyclictest35-21ksoftirqd/319:25:103
152789954,1cyclictest35-21ksoftirqd/319:13:523
152789953,1cyclictest3601-21sed19:50:143
152789953,1cyclictest31723-21/usr/sbin/munin20:50:133
152789952,1cyclictest29454-21/usr/sbin/munin19:35:213
152789952,1cyclictest240-21systemd-journal20:08:393
152789951,2cyclictest14990-21/usr/sbin/munin23:30:203
152629955,0cyclictest0-21swapper/121:20:021
152629955,0cyclictest0-21swapper/120:22:401
152629954,1cyclictest0-21swapper/119:40:011
152629954,1cyclictest0-21swapper/100:14:351
152629953,1cyclictest0-21swapper/123:06:021
152629952,1cyclictest0-21swapper/121:35:171
152629951,3cyclictest0-21swapper/122:12:441
152629951,3cyclictest0-21swapper/121:45:151
152629950,5cyclictest0-21swapper/123:39:501
152629950,5cyclictest0-21swapper/121:04:101
152629950,4cyclictest0-21swapper/121:42:511
152629950,3cyclictest0-21swapper/123:50:501
152629950,3cyclictest0-21swapper/123:43:051
152629950,3cyclictest0-21swapper/122:50:121
152629950,3cyclictest0-21swapper/122:22:191
152629950,3cyclictest0-21swapper/121:10:291
152629950,3cyclictest0-21swapper/100:21:041
152629950,3cyclictest0-21swapper/100:21:031
152629950,2cyclictest0-21swapper/123:56:571
152629950,2cyclictest0-21swapper/123:21:401
152629950,2cyclictest0-21swapper/122:45:381
152629950,2cyclictest0-21swapper/122:43:371
152629950,2cyclictest0-21swapper/122:30:211
152629950,2cyclictest0-21swapper/121:15:331
152629950,2cyclictest0-21swapper/120:05:001
152629950,1cyclictest0-21swapper/122:39:521
152549954,1cyclictest9-21ksoftirqd/019:25:130
152549950,5cyclictest0-21swapper/019:35:130
152549950,5cyclictest0-21swapper/019:32:470
152549950,4cyclictest24636-21/usr/sbin/munin20:35:130
152549950,3cyclictest0-21swapper/020:50:130
4909240,3sleep10-21swapper/119:55:011
152629944,0cyclictest0-21swapper/120:57:521
152629944,0cyclictest0-21swapper/120:05:391
152629944,0cyclictest0-21swapper/119:32:491
152629944,0cyclictest0-21swapper/119:15:081
152629941,2cyclictest0-21swapper/120:10:121
152629941,2cyclictest0-21swapper/100:00:111
152629941,1cyclictest0-21swapper/119:45:111
152629940,3cyclictest0-21swapper/120:50:191
152629940,3cyclictest0-21swapper/120:25:141
152629940,2cyclictest0-21swapper/119:20:191
152629940,2cyclictest0-21swapper/100:25:331
152629940,1cyclictest0-21swapper/121:50:161
152629940,1cyclictest0-21swapper/100:35:021
152629940,1cyclictest0-21swapper/100:30:021
152629940,0cyclictest0-21swapper/120:45:191
152629940,0cyclictest0-21swapper/120:32:511
152629932,1cyclictest203-21jbd2/sda2-819:10:121
152629931,1cyclictest0-21swapper/120:35:101
152629931,1cyclictest0-21swapper/119:50:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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