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2026-03-31 - 09:43
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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 Tue Mar 31, 2026 00:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
84012210149,22sleep30-21swapper/319:09:283
82022204149,24sleep10-21swapper/119:06:531
82552200162,25sleep20-21swapper/219:07:342
84082197160,24sleep00-21swapper/019:09:330
118352700,1sleep121-21ksoftirqd/123:26:451
318932150,1sleep331889-21fschecks_count00:35:163
81372140,0sleep30-21swapper/300:05:003
853299139,4cyclictest56-21kworker/1:122:38:111
853299139,4cyclictest56-21kworker/1:121:42:141
853299139,4cyclictest21-21ksoftirqd/123:00:351
853299130,12cyclictest0-21swapper/123:15:181
294832130,0sleep10-21swapper/121:45:121
853299128,4cyclictest56-21kworker/1:122:15:501
853299128,4cyclictest21-21ksoftirqd/123:56:341
854099119,1cyclictest28-21ksoftirqd/223:30:002
854099119,1cyclictest28-21ksoftirqd/200:30:002
854099110,10cyclictest23532-21kworker/2:221:52:082
854099110,10cyclictest23532-21kworker/2:221:52:082
8532991110,1cyclictest21-21ksoftirqd/123:45:121
854899101,8cyclictest13744-21apt-get21:25:113
854899100,7cyclictest20640-21kworker/u8:223:39:533
854099109,1cyclictest28-21ksoftirqd/222:00:012
854099109,1cyclictest28-21ksoftirqd/219:15:012
854099108,1cyclictest28-21ksoftirqd/223:25:002
854099108,1cyclictest28-21ksoftirqd/220:00:012
853299109,1cyclictest56-21kworker/1:100:18:581
853299106,4cyclictest21-21ksoftirqd/121:08:371
852699108,1cyclictest9-21ksoftirqd/019:30:000
852699100,5cyclictest19555-21sed00:20:000
85489997,1cyclictest35-21ksoftirqd/319:25:113
85489991,7cyclictest29966-21latency23:50:143
85489990,6cyclictest240-21systemd-journal20:54:583
85489990,5cyclictest28464-21latency_hist23:50:013
85409999,0cyclictest0-21swapper/222:57:292
85409998,1cyclictest28-21ksoftirqd/223:55:012
85409998,1cyclictest28-21ksoftirqd/223:40:142
85409998,1cyclictest28-21ksoftirqd/221:10:012
85409998,1cyclictest28-21ksoftirqd/200:35:152
85409998,0cyclictest28-21ksoftirqd/223:10:002
85409997,1cyclictest28-21ksoftirqd/219:50:002
85409994,4cyclictest561-21nscd20:05:172
85409990,0cyclictest0-21swapper/219:37:522
85329995,4cyclictest21-21ksoftirqd/120:46:141
85329995,4cyclictest0-21swapper/119:27:541
85269997,1cyclictest9-21ksoftirqd/019:15:010
85269993,3cyclictest31036-21perf00:34:590
85269990,7cyclictest19754-1kworker/u9:021:32:470
20174290,0sleep10-21swapper/122:14:591
85489981,5cyclictest21729-21/usr/sbin/munin22:15:203
85489981,3cyclictest1369-21diskmemload23:00:123
85409987,1cyclictest28-21ksoftirqd/223:35:002
85409987,1cyclictest28-21ksoftirqd/222:55:012
85409987,1cyclictest28-21ksoftirqd/220:45:132
85409986,1cyclictest61650irq/122-eno123:55:162
85409986,1cyclictest61650irq/122-eno122:45:142
85409986,1cyclictest61650irq/122-eno122:45:142
85409986,1cyclictest61650irq/122-eno122:22:422
85409986,1cyclictest61650irq/122-eno100:18:342
85409986,1cyclictest28-21ksoftirqd/223:50:012
85409986,1cyclictest28-21ksoftirqd/222:20:002
85409986,1cyclictest28-21ksoftirqd/221:50:002
85409986,1cyclictest28-21ksoftirqd/221:10:232
85409980,7cyclictest8020-21sed20:14:592
85329988,0cyclictest21-21ksoftirqd/123:52:121
85329988,0cyclictest21-21ksoftirqd/122:49:121
85329988,0cyclictest21-21ksoftirqd/122:49:121
85329988,0cyclictest21-21ksoftirqd/122:42:221
85329988,0cyclictest21-21ksoftirqd/121:30:501
85329988,0cyclictest21-21ksoftirqd/121:26:361
85329988,0cyclictest21-21ksoftirqd/121:00:161
85329988,0cyclictest21-21ksoftirqd/100:26:081
85329988,0cyclictest0-21swapper/100:31:271
85329987,1cyclictest0-21swapper/123:10:171
85329984,4cyclictest0-21swapper/123:22:581
85329980,8cyclictest0-21swapper/121:50:131
85329980,8cyclictest0-21swapper/121:50:131
85269987,1cyclictest30876-21ssh21:45:200
85269986,1cyclictest9-21ksoftirqd/020:05:000
85269983,4cyclictest10887-21munin-node23:21:360
85269982,5cyclictest25319-21ssh22:20:160
85269980,7cyclictest1369-21diskmemload23:50:110
85269980,7cyclictest11879-21ssh22:03:520
85269980,5cyclictest19492-21ssh23:36:390
85269980,1cyclictest25010-21ssh21:39:180
85269980,1cyclictest1921-21ssh22:32:180
14415280,0sleep20-21swapper/222:05:252
85489977,0cyclictest35-21ksoftirqd/323:18:573
85489976,1cyclictest35-21ksoftirqd/321:00:003
85489976,1cyclictest35-21ksoftirqd/319:50:003
85489975,1cyclictest9484-21ntpq00:05:203
85489975,1cyclictest25958-21ssh00:26:483
85489975,1cyclictest1755-21cat21:50:153
85489975,1cyclictest1755-21cat21:50:143
85489974,1cyclictest35-21ksoftirqd/320:00:003
85489974,1cyclictest240-21systemd-journal22:28:153
85489973,2cyclictest240-21systemd-journal22:36:303
85489973,1cyclictest240-21systemd-journal21:55:023
85489972,4cyclictest1369-21diskmemload22:30:573
85489971,4cyclictest12165-21kworker/u8:000:16:383
85489971,2cyclictest0-21swapper/323:09:183
85489971,2cyclictest0-21swapper/322:04:513
85489970,6cyclictest10911-21/usr/sbin/munin22:45:193
85489970,6cyclictest10911-21/usr/sbin/munin22:45:183
85489970,5cyclictest0-21swapper/300:31:043
85489970,1cyclictest240-21systemd-journal19:35:003
85489970,0cyclictest0-21swapper/321:30:113
85409976,1cyclictest61650irq/122-eno123:16:432
85409976,1cyclictest61650irq/122-eno122:35:122
85409976,1cyclictest61650irq/122-eno122:30:142
85409976,1cyclictest61650irq/122-eno122:10:202
85409976,1cyclictest61650irq/122-eno122:00:112
85409976,1cyclictest61650irq/122-eno121:40:162
85409976,1cyclictest61650irq/122-eno121:35:212
85409976,1cyclictest61650irq/122-eno121:31:092
85409976,1cyclictest61650irq/122-eno121:15:272
85409976,1cyclictest28-21ksoftirqd/220:20:002
85409976,1cyclictest28-21ksoftirqd/220:05:012
85409976,1cyclictest28-21ksoftirqd/219:45:002
85409975,1cyclictest61650irq/122-eno119:10:132
85409975,1cyclictest61650irq/122-eno100:20:192
85409975,1cyclictest61650irq/122-eno100:10:122
85409975,1cyclictest21189-21perf19:35:002
85329977,0cyclictest21-21ksoftirqd/123:34:481
85329977,0cyclictest21-21ksoftirqd/123:05:061
85329977,0cyclictest21-21ksoftirqd/122:32:371
85329977,0cyclictest21-21ksoftirqd/122:07:521
85329977,0cyclictest21-21ksoftirqd/121:56:181
85329977,0cyclictest21-21ksoftirqd/121:21:421
85329977,0cyclictest21-21ksoftirqd/121:16:141
85329977,0cyclictest21-21ksoftirqd/120:10:121
85329977,0cyclictest21-21ksoftirqd/119:20:161
85329977,0cyclictest21-21ksoftirqd/100:05:081
85329976,1cyclictest21-21ksoftirqd/123:35:141
85329976,1cyclictest111rcu_preempt22:25:231
85329975,1cyclictest21-21ksoftirqd/100:00:141
85329974,3cyclictest0-21swapper/119:50:151
85329971,2cyclictest111rcu_preempt20:40:141
85329970,7cyclictest0-21swapper/123:40:491
85329970,7cyclictest0-21swapper/122:01:491
85329970,7cyclictest0-21swapper/121:13:171
85329970,7cyclictest0-21swapper/120:35:171
85329970,7cyclictest0-21swapper/119:34:151
85329970,3cyclictest0-21swapper/122:55:131
85329970,3cyclictest0-21swapper/100:15:001
85269977,0cyclictest1369-21diskmemload00:02:480
85269976,1cyclictest24485-21ssh00:25:150
85269976,1cyclictest22022-21ssh00:21:310
85269975,1cyclictest26348-21sort23:04:590
85269972,4cyclictest769-21lldpd20:40:120
85269971,6cyclictest31659-21ssh23:10:200
85269971,6cyclictest15292-21ssh23:30:410
85269970,6cyclictest26775-1kworker/u9:222:25:050
85269970,6cyclictest26122-21df_inode21:40:140
85269970,6cyclictest25073-21telnet23:45:120
85269970,6cyclictest21484-21ntp_states22:15:190
85269970,6cyclictest16554-21ssh22:50:220
85269970,6cyclictest1369-21diskmemload00:10:380
85269970,6cyclictest12611-21ssh22:05:120
85269970,6cyclictest11791-21ssh23:26:380
85269970,6cyclictest1100-21diskstats23:55:170
85269970,6cyclictest0-21swapper/000:05:190
85269970,2cyclictest17743-21awk22:10:210
85269970,1cyclictest5923-21cpuspeed_turbos21:15:140
85269970,1cyclictest31101-21ssh00:35:010
85269970,1cyclictest2281-21ssh23:15:140
85269970,1cyclictest10285-21fschecks_count21:20:150
85269970,1cyclictest0-21swapper/023:05:150
85269970,1cyclictest0-21swapper/021:50:110
85269970,1cyclictest0-21swapper/021:50:110
85269970,1cyclictest0-21swapper/021:10:220
85269970,0cyclictest0-21swapper/020:10:200
26712270,0sleep30-21swapper/321:40:183
15088270,0sleep30-21swapper/322:07:143
85489965,1cyclictest26640-21ssh22:22:163
85489965,1cyclictest24279-21ssh23:44:073
85489965,1cyclictest24278-21ssh21:37:213
85489965,1cyclictest21908-21ssh22:58:493
85489965,1cyclictest21666-21ssh00:20:333
85489965,1cyclictest17727-21ssh22:10:213
85489965,1cyclictest16852-21ssh22:51:103
85489965,1cyclictest14656-21ssh00:12:243
85489965,1cyclictest11613-21ssh23:26:093
85489964,1cyclictest10910-21ntp_states21:20:193
85489963,2cyclictest29424-21/usr/sbin/munin21:45:173
85489963,2cyclictest13650irq/124-ahci[0019:35:003
85489963,1cyclictest32591-21ssh23:11:363
85489963,1cyclictest240-21systemd-journal23:56:473
85489963,1cyclictest240-21systemd-journal20:07:573
85489963,1cyclictest13650irq/124-ahci[0020:19:553
85489962,3cyclictest0-21swapper/320:45:133
85489961,2cyclictest561-21nscd19:45:003
85489960,4cyclictest0-21swapper/321:12:073
85489960,3cyclictest0-21swapper/323:30:153
85489960,1cyclictest240-21systemd-journal19:54:553
85409966,0cyclictest61650irq/122-eno123:10:012
85409966,0cyclictest61650irq/122-eno122:25:172
85409966,0cyclictest61650irq/122-eno120:59:312
85409966,0cyclictest61650irq/122-eno120:44:422
85409966,0cyclictest61650irq/122-eno120:30:172
85409966,0cyclictest61650irq/122-eno120:22:292
85409966,0cyclictest61650irq/122-eno119:20:122
85409966,0cyclictest61650irq/122-eno100:06:512
85409966,0cyclictest61650irq/122-eno100:01:222
85409966,0cyclictest28-21ksoftirqd/220:35:142
85409965,1cyclictest61650irq/122-eno122:40:132
85409965,1cyclictest61650irq/122-eno121:20:172
85409965,1cyclictest61650irq/122-eno100:30:192
85409965,1cyclictest28-21ksoftirqd/221:05:012
85409965,1cyclictest28-21ksoftirqd/219:50:102
85409964,1cyclictest61650irq/122-eno119:25:172
85409964,1cyclictest28-21ksoftirqd/220:50:132
85409963,2cyclictest17281-21basename23:35:132
85409960,5cyclictest22718-21cut23:00:112
85409960,4cyclictest23532-21kworker/2:221:25:202
85329966,0cyclictest21-21ksoftirqd/122:52:241
85329965,1cyclictest21-21ksoftirqd/121:40:001
85329965,0cyclictest0-21swapper/119:40:191
85329963,3cyclictest0-21swapper/119:39:061
85329961,0cyclictest111rcu_preempt20:20:121
85329960,6cyclictest0-21swapper/100:21:151
85329960,5cyclictest56-21kworker/1:100:37:431
85269965,1cyclictest886-21sed20:00:010
85269965,1cyclictest15511-21ntpq19:20:170
85269964,1cyclictest559-21cron19:50:010
85269963,2cyclictest0-21swapper/019:15:110
85269963,1cyclictest240-21systemd-journal21:02:430
85269961,5cyclictest21071-21ssh23:40:100
85269961,4cyclictest0-21swapper/019:30:120
85269960,6cyclictest0-21swapper/022:45:130
85269960,6cyclictest0-21swapper/022:45:130
85269960,6cyclictest0-21swapper/020:58:510
85269960,6cyclictest0-21swapper/020:53:030
85269960,6cyclictest0-21swapper/020:15:190
85269960,5cyclictest4028-21gltestperf22:35:160
85269960,5cyclictest21480-21telnet19:35:130
85269960,5cyclictest0-21swapper/020:25:130
85269960,4cyclictest0-21swapper/021:25:030
85269960,4cyclictest0-21swapper/019:45:410
85269960,1cyclictest7131-21ssh22:40:120
85269960,0cyclictest18819-21apt-get22:55:120
85269960,0cyclictest0-21swapper/021:55:140
85269960,0cyclictest0-21swapper/020:37:330
85489955,0cyclictest13381-21sensors19:15:183
85489954,1cyclictest35-21ksoftirqd/320:29:533
85489953,1cyclictest7089-21/usr/sbin/munin22:40:143
85489953,1cyclictest32183-21diskstats21:05:153
85489953,1cyclictest17243-21runrttasks20:34:453
85489952,1cyclictest35-21ksoftirqd/320:40:583
85489952,1cyclictest16481-21apt19:25:003
85489951,1cyclictest0-21swapper/323:20:083
85489950,3cyclictest240-21systemd-journal21:05:013
85489950,1cyclictest0-21swapper/321:15:183
85489950,1cyclictest0-21swapper/320:10:113
85409951,3cyclictest13109-21cpuspeed_turbos20:25:152
85329955,0cyclictest211ksoftirqd/120:30:171
85329955,0cyclictest21-21ksoftirqd/122:20:281
85329955,0cyclictest21-21ksoftirqd/119:17:201
85329954,1cyclictest21-21ksoftirqd/120:55:111
85329954,1cyclictest21-21ksoftirqd/120:54:551
85329954,1cyclictest21-21ksoftirqd/120:15:141
85329951,2cyclictest0-21swapper/119:45:161
85329950,5cyclictest0-21swapper/120:25:191
85329950,5cyclictest0-21swapper/120:05:111
85329950,5cyclictest0-21swapper/119:10:401
85329950,3cyclictest0-21swapper/119:55:161
85329950,1cyclictest0-21swapper/120:00:111
85269953,1cyclictest4121-21cut20:05:150
85269953,1cyclictest25923-21perf19:45:000
85269950,5cyclictest0-21swapper/020:45:160
85269950,4cyclictest31671-21/usr/sbin/munin21:05:160
85269950,4cyclictest0-21swapper/020:30:110
85269950,1cyclictest0-21swapper/020:20:110
85489942,1cyclictest8777-21aten_r1power_en19:10:123
85489942,1cyclictest17660-21aten_r1power_vo20:35:133
85489942,1cyclictest11090-21tune2fs20:20:143
85489940,3cyclictest996-21/usr/sbin/munin20:00:203
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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