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2026-07-20 - 02:19
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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 376 highest latencies:
System rack1slot1.osadl.org (updated Mon Jul 20, 2026 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24172220156,25sleep10-21swapper/119:05:481
25052216151,22sleep00-21swapper/019:06:560
14772214174,26sleep30-21swapper/319:05:183
207722130,3sleep20-21swapper/219:05:232
2756721110,1sleep2285799cyclictest20:00:002
150332560,0sleep00-21swapper/021:34:530
285199150,0cyclictest0-21swapper/123:54:441
285799140,13cyclictest0-21swapper/222:50:152
285199140,13cyclictest0-21swapper/122:50:201
2648821413,0sleep228-21ksoftirqd/200:35:122
7132120,1sleep1285199cyclictest21:15:171
285199120,12cyclictest0-21swapper/119:35:011
285799110,9cyclictest61650irq/122-eno123:58:192
284299113,4cyclictest12590-21perf22:55:010
286799109,1cyclictest35-21ksoftirqd/300:30:003
285799100,5cyclictest5202-21munin-node21:54:302
28679998,1cyclictest14497-21/usr/sbin/munin00:20:163
28679991,5cyclictest4782-21kworker/u8:021:21:173
28579997,1cyclictest28-21ksoftirqd/222:05:142
28519999,0cyclictest0-21swapper/119:45:061
28519990,3cyclictest0-21swapper/122:30:131
28429998,1cyclictest9-21ksoftirqd/023:32:540
28429998,1cyclictest9-21ksoftirqd/023:10:000
28429991,4cyclictest22962-21perf21:45:000
1714290,0sleep20-21swapper/221:59:012
28679988,0cyclictest35-21ksoftirqd/323:05:113
28679987,1cyclictest35-21ksoftirqd/320:35:113
28679986,1cyclictest35-21ksoftirqd/320:50:113
28679982,3cyclictest0-21swapper/323:50:133
28679980,5cyclictest28300-21diskmemload22:00:083
28679980,3cyclictest0-21swapper/320:25:123
28679980,2cyclictest32681-21aten_r1power_fr23:20:133
28679980,2cyclictest12669-21/usr/sbin/munin23:35:153
28679980,1cyclictest0-21swapper/321:30:123
28579987,1cyclictest28-21ksoftirqd/222:48:572
28579986,1cyclictest61650irq/122-eno123:20:302
28579986,1cyclictest61650irq/122-eno122:25:152
28579986,1cyclictest61650irq/122-eno100:05:262
28579986,1cyclictest28-21ksoftirqd/223:45:182
28579986,1cyclictest28-21ksoftirqd/222:42:372
28579986,1cyclictest28-21ksoftirqd/220:10:002
28579984,2cyclictest240-21systemd-journal20:19:592
28579981,4cyclictest240-21systemd-journal22:15:382
28579980,8cyclictest0-21swapper/200:20:132
28579980,5cyclictest61650irq/122-eno100:25:532
28579980,3cyclictest0-21swapper/222:20:172
28519980,4cyclictest0-21swapper/100:10:161
28429986,1cyclictest5321-21sensors19:15:000
28429984,3cyclictest18378-21/usr/sbin/munin00:25:180
28429983,1cyclictest7333-21munin-run21:24:590
28429981,4cyclictest3410-21latency22:00:160
28679977,0cyclictest28300-21diskmemload00:13:163
28679976,1cyclictest35-21ksoftirqd/321:05:013
28679975,1cyclictest35-21ksoftirqd/323:15:203
28679975,1cyclictest35-21ksoftirqd/319:11:283
28679974,1cyclictest240-21systemd-journal23:45:013
28679974,0cyclictest28300-21diskmemload00:39:533
28679973,1cyclictest16212-21hddtemp_smartct21:35:163
28679973,0cyclictest28300-21diskmemload21:13:303
28679972,1cyclictest28300-21diskmemload00:02:113
28679971,4cyclictest28300-21diskmemload00:17:183
28679971,4cyclictest0-21swapper/321:44:133
28679970,5cyclictest0-21swapper/322:51:003
28679970,5cyclictest0-21swapper/321:57:383
28679970,4cyclictest32257-21/usr/sbin/munin21:15:203
28679970,2cyclictest0-21swapper/322:15:463
28679970,1cyclictest0-21swapper/321:50:313
28579977,0cyclictest31342-21apt-get00:00:132
28579976,1cyclictest61650irq/122-eno123:40:132
28579976,1cyclictest61650irq/122-eno123:06:282
28579976,1cyclictest61650irq/122-eno122:55:112
28579976,1cyclictest61650irq/122-eno121:46:082
28579976,1cyclictest61650irq/122-eno121:00:142
28579976,1cyclictest61650irq/122-eno100:30:132
28579976,1cyclictest28-21ksoftirqd/200:15:172
28579976,0cyclictest61650irq/122-eno121:35:152
28579975,1cyclictest8586-21fschecks_time23:30:142
28579975,1cyclictest61650irq/122-eno120:20:142
28579975,1cyclictest61650irq/122-eno119:20:142
28579975,1cyclictest61650irq/122-eno100:10:162
28579975,1cyclictest19858-21ssh23:03:422
28579973,1cyclictest240-21systemd-journal21:24:532
28579972,4cyclictest2826-21cyclictest21:10:372
28579970,6cyclictest17293-21kworker/2:019:50:142
28579970,3cyclictest13511-21runrttasks22:14:152
28519973,0cyclictest0-21swapper/123:35:401
28519973,0cyclictest0-21swapper/121:32:311
28519970,6cyclictest0-21swapper/123:25:121
28519970,6cyclictest0-21swapper/120:15:161
28519970,5cyclictest0-21swapper/123:04:201
28519970,4cyclictest0-21swapper/123:57:551
28519970,4cyclictest0-21swapper/122:21:421
28519970,0cyclictest0-21swapper/122:10:191
28429975,1cyclictest9-21ksoftirqd/023:15:190
28429975,1cyclictest5837-21ssh22:45:160
28429975,1cyclictest28545-21ssh21:10:070
28429975,1cyclictest28121-21ssh22:31:430
28429974,0cyclictest28300-21diskmemload23:26:170
28429974,0cyclictest28300-21diskmemload22:21:120
28429973,3cyclictest13153-21ls22:55:130
28429973,1cyclictest9-21ksoftirqd/020:50:000
28429972,1cyclictest6071-21/usr/sbin/munin19:15:230
28429971,5cyclictest733-21sshd19:44:300
28429970,7cyclictest29236-21ssh23:55:230
28429970,6cyclictest6365-21basename22:05:130
28429970,6cyclictest4201-21ssh00:05:250
28429970,6cyclictest30611-21ssh22:35:160
28429970,6cyclictest28300-21diskmemload23:36:040
28429970,6cyclictest27069-21ssh21:50:090
28429970,6cyclictest19602-21ssh23:45:050
28429970,6cyclictest18865-21ssh23:01:060
28429970,6cyclictest16270-21ssh21:35:180
28429970,6cyclictest13575-21ssh00:18:290
28429970,6cyclictest1300-21grep21:15:200
28429970,6cyclictest1174-21aten_r1power_cu22:40:110
28429970,6cyclictest11314-21df_inode19:25:150
28429970,6cyclictest0-21swapper/023:50:100
28429970,6cyclictest0-21swapper/023:40:170
28429970,6cyclictest0-21swapper/022:25:130
28429970,6cyclictest0-21swapper/021:59:080
28429970,6cyclictest0-21swapper/021:45:130
28429970,6cyclictest0-21swapper/020:00:070
28429970,5cyclictest25745-21apt-get21:05:010
28429970,1cyclictest6696-21/usr/sbin/munin00:10:160
28429970,1cyclictest31337-21ssh00:00:120
28429970,1cyclictest28300-21diskmemload22:15:120
28429970,1cyclictest28300-21diskmemload00:38:030
28429970,1cyclictest26965-21ssh23:11:240
28429970,1cyclictest240-21systemd-journal00:35:010
28429970,1cyclictest22777-21perf19:50:000
28429970,1cyclictest17639-21ssh00:23:490
28429970,1cyclictest12262-21ssh22:11:000
28679966,0cyclictest35-21ksoftirqd/321:00:003
28679965,1cyclictest4968-21ssh00:06:193
28679965,1cyclictest3227-21ssh22:41:013
28679965,1cyclictest26708-21ssh23:10:433
28679965,1cyclictest24605-21/usr/sbin/munin21:45:183
28679965,1cyclictest23757-21ssh22:25:293
28679965,1cyclictest19920-21ssh23:03:513
28679965,1cyclictest12806-21ssh22:55:083
28679964,1cyclictest4285-21sshd20:17:303
28679964,1cyclictest35-21ksoftirqd/319:30:003
28679964,1cyclictest23127-21wc00:30:163
28679963,1cyclictest240-21systemd-journal23:46:103
28679963,1cyclictest240-21systemd-journal20:45:003
28679963,1cyclictest240-21systemd-journal20:24:543
28679963,0cyclictest28300-21diskmemload23:29:213
28679963,0cyclictest28300-21diskmemload22:10:143
28679962,1cyclictest18543-21df_inode22:20:133
28679961,4cyclictest6744-21expr22:05:143
28679961,2cyclictest561-21nscd19:55:153
28679961,2cyclictest28300-21diskmemload21:25:333
28679961,2cyclictest10182-21uptime19:20:223
28679960,4cyclictest0-21swapper/322:49:193
28679960,3cyclictest30400-21fschecks_time22:35:153
28679960,2cyclictest0-21swapper/323:57:163
28679960,2cyclictest0-21swapper/323:31:473
28679960,2cyclictest0-21swapper/321:05:013
28679960,1cyclictest0-21swapper/322:30:103
28579966,0cyclictest61650irq/122-eno123:35:042
28579966,0cyclictest61650irq/122-eno122:35:112
28579966,0cyclictest61650irq/122-eno121:15:132
28579966,0cyclictest61650irq/122-eno121:05:162
28579966,0cyclictest61650irq/122-eno120:59:542
28579966,0cyclictest61650irq/122-eno120:41:222
28579966,0cyclictest61650irq/122-eno120:00:112
28579966,0cyclictest61650irq/122-eno119:42:182
28579966,0cyclictest61650irq/122-eno119:15:172
28579966,0cyclictest61650irq/122-eno119:11:462
28579965,1cyclictest61650irq/122-eno123:50:152
28579965,1cyclictest61650irq/122-eno123:25:142
28579965,1cyclictest61650irq/122-eno120:35:202
28579965,1cyclictest11498-21ssh21:30:102
28579964,1cyclictest61650irq/122-eno120:45:182
28579964,1cyclictest61650irq/122-eno119:45:132
28579964,0cyclictest28300-21diskmemload23:10:022
28579962,3cyclictest0-21swapper/221:25:212
28579962,1cyclictest240-21systemd-journal21:40:002
28579961,2cyclictest29839-21grep23:15:172
28579960,5cyclictest0-21swapper/222:00:152
28579960,1cyclictest26988-21chrt22:30:202
28519964,1cyclictest0-21swapper/122:56:371
28519963,0cyclictest0-21swapper/121:00:231
28519961,4cyclictest0-21swapper/121:21:111
28519960,5cyclictest0-21swapper/120:55:161
28519960,5cyclictest0-21swapper/100:23:441
28519960,4cyclictest0-21swapper/122:40:081
28519960,4cyclictest0-21swapper/121:10:161
28519960,4cyclictest0-21swapper/100:08:051
28519960,2cyclictest0-21swapper/122:39:081
28429962,0cyclictest0-21swapper/020:50:150
28429961,1cyclictest14184-21/usr/sbin/munin20:40:170
28429960,6cyclictest7555-21ssh21:25:010
28429960,6cyclictest0-21swapper/021:00:310
28429960,6cyclictest0-21swapper/020:38:270
28429960,6cyclictest0-21swapper/020:34:270
28429960,6cyclictest0-21swapper/020:15:180
28429960,6cyclictest0-21swapper/019:30:000
28429960,6cyclictest0-21swapper/019:20:200
28429960,5cyclictest28300-21diskmemload23:20:110
28429960,5cyclictest26519-21ntp_states19:55:190
28429960,2cyclictest0-21swapper/019:50:150
28429960,1cyclictest1164-21ntp_states20:10:170
28429960,0cyclictest0-21swapper/020:20:100
28429960,0cyclictest0-21swapper/020:08:310
28679954,1cyclictest35-21ksoftirqd/320:03:223
28679954,1cyclictest35-21ksoftirqd/319:45:013
28679954,1cyclictest17678-21ntpq20:45:153
28679953,1cyclictest8188-21cron19:20:003
28679953,1cyclictest21802-21/usr/sbin/munin19:45:153
28679952,1cyclictest240-21systemd-journal20:10:013
28679952,1cyclictest240-21systemd-journal19:51:503
28679952,1cyclictest13650irq/124-ahci[0019:40:003
28679951,1cyclictest1199-21awk20:10:183
28579955,0cyclictest61650irq/122-eno120:30:152
28579955,0cyclictest61650irq/122-eno120:25:082
28579955,0cyclictest61650irq/122-eno120:11:552
28579955,0cyclictest61650irq/122-eno119:30:152
28579955,0cyclictest61650irq/122-eno119:25:122
28579951,2cyclictest0-21swapper/219:35:162
28579950,2cyclictest18897-21apt-get20:50:112
28519955,0cyclictest0-21swapper/122:18:291
28519951,3cyclictest100152sleep121:26:541
28519951,3cyclictest0-21swapper/122:45:141
28519951,2cyclictest0-21swapper/120:00:011
28519950,5cyclictest0-21swapper/123:21:181
28519950,5cyclictest0-21swapper/123:17:521
28519950,5cyclictest0-21swapper/122:09:041
28519950,5cyclictest0-21swapper/121:42:011
28519950,5cyclictest0-21swapper/120:36:311
28519950,5cyclictest0-21swapper/120:02:581
28519950,5cyclictest0-21swapper/119:51:441
28519950,4cyclictest0-21swapper/123:47:291
28519950,4cyclictest0-21swapper/123:30:091
28519950,4cyclictest0-21swapper/122:26:291
28519950,4cyclictest0-21swapper/100:35:391
28519950,3cyclictest0-21swapper/123:43:161
28519950,3cyclictest0-21swapper/122:04:431
28519950,3cyclictest0-21swapper/121:50:161
28519950,3cyclictest0-21swapper/100:30:051
28519950,3cyclictest0-21swapper/100:25:011
28519950,3cyclictest0-21swapper/100:16:251
28519950,3cyclictest0-21swapper/100:00:471
28519950,2cyclictest0-21swapper/123:06:281
28519950,2cyclictest0-21swapper/121:49:021
28519950,2cyclictest0-21swapper/120:25:111
28519950,1cyclictest0-21swapper/121:56:201
28519950,0cyclictest0-21swapper/123:11:031
28519950,0cyclictest0-21swapper/121:35:411
28519950,0cyclictest0-21swapper/120:50:431
28519950,0cyclictest0-21swapper/119:29:391
28429951,1cyclictest15918-21/usr/sbin/munin19:35:200
28429950,4cyclictest0-21swapper/020:55:130
28429950,1cyclictest0-21swapper/020:25:130
28679941,2cyclictest9461-21apt-get20:30:133
28679940,4cyclictest14193-21wc19:30:173
28519944,0cyclictest0-21swapper/120:45:181
28519944,0cyclictest0-21swapper/120:32:331
28519944,0cyclictest0-21swapper/120:20:261
28519944,0cyclictest0-21swapper/120:11:241
28519944,0cyclictest0-21swapper/119:24:301
28519942,1cyclictest0-21swapper/120:40:181
28519940,3cyclictest15231-21taskset19:31:571
28519940,1cyclictest0-21swapper/119:15:001
28519931,1cyclictest0-21swapper/119:10:131
28519930,2cyclictest0-21swapper/120:06:561
28519930,2cyclictest0-21swapper/119:40:131
28519920,1cyclictest0-21swapper/121:05:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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