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2026-07-02 - 12:29
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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 Thu Jul 02, 2026 00:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
125012210139,25sleep00-21swapper/019:05:550
125592208153,21sleep10-21swapper/119:06:401
126992200160,26sleep20-21swapper/219:08:322
124992200150,25sleep30-21swapper/319:05:543
12905991514,1cyclictest35-21ksoftirqd/323:15:133
12892991412,1cyclictest9-21ksoftirqd/021:40:010
12892991412,1cyclictest9-21ksoftirqd/021:40:000
1290199130,12cyclictest11935-21/usr/sbin/munin23:30:162
1290199125,5cyclictest61650irq/122-eno123:15:182
12901991211,1cyclictest28-21ksoftirqd/222:10:002
12892991210,1cyclictest9-21ksoftirqd/019:45:000
1289299119,2cyclictest22018-21sh23:43:220
1289299119,1cyclictest9-21ksoftirqd/023:30:130
1289299119,1cyclictest6193-21diskmemload22:14:330
1289299112,6cyclictest4200-21kworker/u8:121:16:310
12892991110,1cyclictest9-21ksoftirqd/020:45:000
1289299111,5cyclictest22134-21perf20:35:000
1290599109,1cyclictest35-21ksoftirqd/322:05:003
1290599109,1cyclictest35-21ksoftirqd/320:50:013
1290599109,1cyclictest35-21ksoftirqd/320:00:003
12905991010,0cyclictest35-21ksoftirqd/319:15:003
1290199109,1cyclictest28-21ksoftirqd/223:55:012
12901991010,0cyclictest0-21swapper/223:46:582
1289299109,1cyclictest9-21ksoftirqd/023:00:140
1289299109,1cyclictest9-21ksoftirqd/022:50:130
1289299109,1cyclictest9-21ksoftirqd/022:20:130
1289299109,1cyclictest9-21ksoftirqd/021:59:530
1289299109,1cyclictest9-21ksoftirqd/000:20:150
1289299108,1cyclictest9-21ksoftirqd/022:35:210
12892991010,0cyclictest0-21swapper/019:39:520
1289299100,5cyclictest6206-21/usr/sbin/munin21:10:000
1289299100,4cyclictest240-21systemd-journal23:27:460
1289299100,4cyclictest0-21swapper/021:10:010
129059999,0cyclictest35-21ksoftirqd/300:15:143
129059998,1cyclictest35-21ksoftirqd/300:00:003
129059997,1cyclictest35-21ksoftirqd/322:35:123
129059990,7cyclictest6193-21diskmemload23:50:193
129059990,6cyclictest0-21swapper/322:10:103
129019998,1cyclictest28-21ksoftirqd/219:59:592
129019997,1cyclictest28-21ksoftirqd/220:15:002
128929999,0cyclictest9-21ksoftirqd/021:50:120
128929999,0cyclictest9-21ksoftirqd/021:20:150
128929998,1cyclictest9-21ksoftirqd/023:15:190
128929997,1cyclictest9-21ksoftirqd/022:00:130
128929991,7cyclictest6193-21diskmemload22:57:290
128929990,4cyclictest15505-21diskstats19:15:010
18746280,1sleep121-21ksoftirqd/120:25:191
129059988,0cyclictest35-21ksoftirqd/320:04:593
129059988,0cyclictest35-21ksoftirqd/319:35:003
129059987,1cyclictest35-21ksoftirqd/300:35:003
129059982,2cyclictest9928-21apt-get20:10:113
129059981,3cyclictest6193-21diskmemload23:00:153
129059980,5cyclictest240-21systemd-journal20:52:263
129059980,4cyclictest0-21swapper/321:45:023
129059980,3cyclictest0-21swapper/320:15:123
129019987,1cyclictest28-21ksoftirqd/221:30:132
129019987,1cyclictest28-21ksoftirqd/220:05:002
129019987,1cyclictest28-21ksoftirqd/219:45:002
129019987,1cyclictest28-21ksoftirqd/200:40:002
129019987,1cyclictest28-21ksoftirqd/200:15:002
129019986,1cyclictest61650irq/122-eno122:50:162
129019986,1cyclictest61650irq/122-eno122:30:182
129019986,1cyclictest61650irq/122-eno122:30:182
129019986,1cyclictest61650irq/122-eno121:50:112
129019986,1cyclictest61650irq/122-eno120:50:002
129019986,1cyclictest61650irq/122-eno100:00:172
129019986,1cyclictest3593-21latency_hist21:50:012
129019986,1cyclictest14406-21latency_hist22:05:012
129019981,1cyclictest0-21swapper/223:21:092
129019980,6cyclictest61650irq/122-eno121:37:012
129019980,6cyclictest61650irq/122-eno121:37:002
129019980,1cyclictest0-21swapper/221:24:352
128969980,2cyclictest0-21swapper/121:45:011
128929988,0cyclictest9-21ksoftirqd/023:10:160
128929988,0cyclictest9-21ksoftirqd/021:44:430
128929987,1cyclictest9-21ksoftirqd/023:35:150
128929987,1cyclictest9-21ksoftirqd/022:40:130
128929987,1cyclictest9-21ksoftirqd/022:30:010
128929987,1cyclictest9-21ksoftirqd/020:35:120
128929987,1cyclictest9-21ksoftirqd/019:23:540
128929987,1cyclictest9-21ksoftirqd/000:10:150
128929982,1cyclictest0-21swapper/021:00:200
128929981,2cyclictest16349-21awk20:20:190
128929981,1cyclictest240-21systemd-journal00:39:590
128929980,7cyclictest27259-21proc_pri23:05:190
128929980,7cyclictest25403-21cat22:20:010
128929980,7cyclictest22441-21kworker/0:123:50:180
128929980,7cyclictest20921-21/usr/sbin/munin19:25:210
128929980,4cyclictest6193-21diskmemload00:28:290
128929980,1cyclictest26786-21ssh00:34:310
129059977,0cyclictest35-21ksoftirqd/323:40:113
129059977,0cyclictest35-21ksoftirqd/322:10:013
129059977,0cyclictest35-21ksoftirqd/300:25:003
129059976,1cyclictest35-21ksoftirqd/323:15:003
129059976,1cyclictest35-21ksoftirqd/322:55:113
129059976,1cyclictest35-21ksoftirqd/321:05:013
129059976,1cyclictest35-21ksoftirqd/320:30:013
129059976,1cyclictest35-21ksoftirqd/320:25:003
129059976,1cyclictest35-21ksoftirqd/319:15:003
129059976,1cyclictest29083-21cat19:40:163
129059976,1cyclictest18580-21cat21:25:163
129059972,2cyclictest6193-21diskmemload21:32:133
129059972,1cyclictest6193-21diskmemload21:24:573
129059972,1cyclictest0-21swapper/300:10:093
129059971,5cyclictest15250-21munin-node22:52:213
129059971,4cyclictest6193-21diskmemload21:59:073
129059971,3cyclictest6193-21diskmemload00:06:563
129059970,6cyclictest6193-21diskmemload23:30:553
129059970,5cyclictest0-21swapper/321:40:113
129059970,4cyclictest6193-21diskmemload23:39:503
129059970,4cyclictest0-21swapper/323:09:323
129059970,4cyclictest0-21swapper/322:28:583
129059970,4cyclictest0-21swapper/322:20:113
129019976,1cyclictest61650irq/122-eno123:41:442
129019976,1cyclictest61650irq/122-eno123:25:172
129019976,1cyclictest61650irq/122-eno123:13:272
129019976,1cyclictest61650irq/122-eno123:02:422
129019976,1cyclictest61650irq/122-eno122:41:452
129019976,1cyclictest61650irq/122-eno100:16:132
129019976,1cyclictest61650irq/122-eno100:09:062
129019975,1cyclictest61650irq/122-eno122:35:202
129019975,1cyclictest61650irq/122-eno120:30:002
129019975,1cyclictest29193-21ssh22:25:052
129019975,1cyclictest21923-21ssh00:26:242
129019974,1cyclictest240-21systemd-journal21:00:002
129019974,1cyclictest18292-21sendmail19:20:002
129019971,3cyclictest6193-21diskmemload23:00:002
129019970,4cyclictest0-21swapper/221:55:112
128969971,1cyclictest20588-21chrt21:28:231
128969970,3cyclictest0-21swapper/122:47:301
128969970,3cyclictest0-21swapper/122:10:101
128929976,1cyclictest9-21ksoftirqd/021:45:190
128929976,1cyclictest19581-1kworker/u9:021:28:240
128929975,1cyclictest9-21ksoftirqd/022:05:100
128929975,1cyclictest27760-21fschecks_time20:45:140
128929975,1cyclictest21523-21/usr/sbin/munin21:30:130
128929972,2cyclictest240-21systemd-journal19:35:000
128929971,3cyclictest4666-21/usr/sbin/munin23:20:210
128929971,2cyclictest0-21swapper/019:15:110
128929970,6cyclictest3996-21ssh00:02:140
128929970,6cyclictest24171-21processes23:45:180
128929970,6cyclictest1359-21irqstats22:30:150
128929970,6cyclictest1359-21irqstats22:30:150
128929970,6cyclictest12009-21expr22:45:120
128929970,6cyclictest0-21swapper/023:55:120
128929970,6cyclictest0-21swapper/000:15:130
128929970,5cyclictest22441-21kworker/0:120:25:130
128929970,1cyclictest7406-21ssh00:06:350
129059966,0cyclictest0-21swapper/321:16:213
129059965,1cyclictest35-21ksoftirqd/320:45:013
129059965,1cyclictest35-21ksoftirqd/300:20:143
129059965,1cyclictest2853-21ssh22:32:133
129059965,1cyclictest2853-21ssh22:32:123
129059965,1cyclictest27402-21ssh21:36:223
129059965,1cyclictest27402-21ssh21:36:213
129059965,1cyclictest22965-21ssh23:45:123
129059965,1cyclictest22252-21kworker/3:222:19:113
129059965,1cyclictest13514-21ssh22:45:533
129059965,1cyclictest11476-21ssh23:29:303
129059964,1cyclictest455-21apt-get19:50:113
129059963,2cyclictest7935-21apt-get22:40:123
129059962,1cyclictest24485-21sendmail20:40:003
129059961,0cyclictest0-21swapper/321:11:573
129059960,3cyclictest0-21swapper/323:20:153
129059960,2cyclictest0-21swapper/300:00:033
129059960,1cyclictest0-21swapper/300:36:323
129019966,0cyclictest61650irq/122-eno123:50:102
129019966,0cyclictest61650irq/122-eno123:36:212
129019966,0cyclictest61650irq/122-eno123:05:152
129019966,0cyclictest61650irq/122-eno122:15:032
129019966,0cyclictest61650irq/122-eno121:25:072
129019966,0cyclictest61650irq/122-eno121:15:122
129019966,0cyclictest61650irq/122-eno120:52:102
129019966,0cyclictest61650irq/122-eno120:38:242
129019966,0cyclictest61650irq/122-eno119:25:382
129019966,0cyclictest61650irq/122-eno119:20:072
129019966,0cyclictest61650irq/122-eno100:30:482
129019966,0cyclictest61650irq/122-eno100:20:152
129019965,1cyclictest61650irq/122-eno119:33:202
129019965,0cyclictest61650irq/122-eno122:20:112
129019965,0cyclictest61650irq/122-eno122:10:152
129019964,1cyclictest61650irq/122-eno120:30:132
129019964,1cyclictest61650irq/122-eno120:15:002
129019964,1cyclictest61650irq/122-eno119:45:122
129019964,1cyclictest15432-21tune2fs20:20:132
129019964,1cyclictest0-21swapper/220:05:162
129019962,3cyclictest27934-21apt-config19:40:012
129019960,5cyclictest0-21swapper/219:13:352
129019960,4cyclictest12068-21df22:45:132
129019960,3cyclictest6193-21diskmemload21:10:102
129019960,3cyclictest0-21swapper/221:40:022
129019960,1cyclictest0-21swapper/219:50:122
128969965,1cyclictest0-21swapper/123:55:131
128969963,1cyclictest0-21swapper/123:07:311
128969963,1cyclictest0-21swapper/122:16:131
128969963,1cyclictest0-21swapper/121:53:281
128969963,1cyclictest0-21swapper/121:01:121
128969963,1cyclictest0-21swapper/100:18:321
128969960,6cyclictest0-21swapper/121:34:221
128969960,4cyclictest0-21swapper/122:55:141
128969960,4cyclictest0-21swapper/119:40:171
128969960,2cyclictest0-21swapper/123:17:401
128969960,2cyclictest0-21swapper/100:09:591
128969960,1cyclictest0-21swapper/123:31:301
128969960,0cyclictest0-21swapper/122:06:591
128929964,1cyclictest9-21ksoftirqd/020:05:120
128929964,1cyclictest9-21ksoftirqd/019:50:140
128929960,6cyclictest0-21swapper/020:55:340
128929960,5cyclictest0-21swapper/019:45:120
128929960,4cyclictest240-21systemd-journal20:12:260
128929960,1cyclictest0-21swapper/020:50:150
128929960,0cyclictest0-21swapper/020:04:120
128929960,0cyclictest0-21swapper/019:55:120
129059955,0cyclictest0-21swapper/319:35:193
129059952,1cyclictest3795-21apt-get21:50:133
129059952,1cyclictest35-21ksoftirqd/320:07:553
129059952,1cyclictest240-21systemd-journal19:47:393
129059952,1cyclictest240-21systemd-journal19:23:543
129059951,2cyclictest20924-21apt-get19:25:123
129059951,1cyclictest19976-21apt-get20:30:103
129059950,1cyclictest4759-21fschecks_time21:05:133
129059950,1cyclictest32585-21hostname20:55:153
129019955,0cyclictest61650irq/122-eno121:00:492
129019953,1cyclictest25004-21cut20:40:132
129019950,2cyclictest240-21systemd-journal21:10:002
128969955,0cyclictest0-21swapper/121:47:461
128969955,0cyclictest0-21swapper/100:37:221
128969952,1cyclictest0-21swapper/123:25:151
128969952,1cyclictest0-21swapper/123:04:301
128969952,1cyclictest0-21swapper/121:20:121
128969952,1cyclictest0-21swapper/100:22:481
128969952,0cyclictest0-21swapper/100:01:221
128969950,5cyclictest0-21swapper/122:50:091
128969950,5cyclictest0-21swapper/122:41:471
128969950,4cyclictest0-21swapper/123:52:081
128969950,4cyclictest0-21swapper/120:48:211
128969950,3cyclictest0-21swapper/123:22:351
128969950,3cyclictest0-21swapper/122:24:131
128969950,3cyclictest0-21swapper/121:56:251
128969950,2cyclictest0-21swapper/123:45:421
128969950,2cyclictest0-21swapper/123:37:061
128969950,2cyclictest0-21swapper/122:25:201
128969950,2cyclictest0-21swapper/120:52:261
128969950,2cyclictest0-21swapper/120:20:101
128969950,1cyclictest0-21swapper/123:44:591
128969950,1cyclictest0-21swapper/123:11:481
128969950,1cyclictest0-21swapper/121:15:231
128969950,1cyclictest0-21swapper/120:35:111
128969950,1cyclictest0-21swapper/100:25:131
128969950,1cyclictest0-21swapper/100:11:051
128969950,0cyclictest0-21swapper/122:32:141
128969950,0cyclictest0-21swapper/122:32:141
128969950,0cyclictest0-21swapper/119:50:141
128929950,4cyclictest0-21swapper/020:15:190
128969944,0cyclictest0-21swapper/119:49:051
128969944,0cyclictest0-21swapper/119:14:251
128969943,1cyclictest18158-21chrt19:18:471
128969943,1cyclictest0-21swapper/121:36:131
128969943,1cyclictest0-21swapper/121:36:121
128969943,1cyclictest0-21swapper/121:06:111
128969943,1cyclictest0-21swapper/120:42:111
128969943,1cyclictest0-21swapper/100:32:491
128969942,1cyclictest0-21swapper/120:30:191
128969941,1cyclictest0-21swapper/119:35:191
128969940,3cyclictest0-21swapper/120:55:151
128969940,2cyclictest0-21swapper/122:00:091
128969940,2cyclictest0-21swapper/120:15:021
128969940,2cyclictest0-21swapper/119:30:151
128969940,1cyclictest0-21swapper/122:35:151
128969940,1cyclictest0-21swapper/120:05:001
128969940,1cyclictest0-21swapper/119:20:161
128969940,0cyclictest0-21swapper/121:10:271
128969932,1cyclictest203-21jbd2/sda2-819:55:371
128969931,1cyclictest0-21swapper/120:10:171
128969931,0cyclictest0-21swapper/120:05:161
128969930,0cyclictest0-21swapper/119:25:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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