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2026-04-07 - 01:33
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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 792 highest latencies:
System rack1slot1.osadl.org (updated Tue Apr 07, 2026 00:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
179882216150,22sleep20-21swapper/219:08:392
180072206150,22sleep10-21swapper/119:08:541
180212205155,24sleep00-21swapper/019:09:050
179992201162,25sleep30-21swapper/319:08:473
69692690,0sleep00-21swapper/021:00:140
252752190,0sleep00-21swapper/019:20:180
18180991413,1cyclictest9-21ksoftirqd/021:45:000
246992130,0sleep20-21swapper/222:50:142
18180991312,1cyclictest9-21ksoftirqd/000:24:590
18180991311,1cyclictest9-21ksoftirqd/020:40:010
1820599110,5cyclictest0-21swapper/300:20:113
1818999110,3cyclictest0-21swapper/121:40:121
18180991110,1cyclictest9-21ksoftirqd/023:25:000
18180991110,1cyclictest9-21ksoftirqd/022:10:000
18180991110,1cyclictest9-21ksoftirqd/021:35:130
1820599109,1cyclictest3858-21idleruntime-cro00:30:013
1819799108,1cyclictest28-21ksoftirqd/220:50:002
1819799101,8cyclictest61650irq/122-eno121:12:492
1818099108,1cyclictest9-21ksoftirqd/022:00:000
1818099100,5cyclictest0-21swapper/022:25:110
182059990,5cyclictest0-21swapper/319:55:113
182059990,4cyclictest0-21swapper/321:40:123
182059990,3cyclictest0-21swapper/322:35:123
182059990,1cyclictest0-21swapper/321:55:123
181979999,0cyclictest0-21swapper/200:15:222
181979990,5cyclictest0-21swapper/223:35:182
181899990,0cyclictest0-21swapper/122:50:121
181809999,0cyclictest9-21ksoftirqd/020:40:100
181809998,1cyclictest9-21ksoftirqd/022:50:110
181809998,1cyclictest9-21ksoftirqd/000:15:000
181809997,1cyclictest9-21ksoftirqd/023:10:130
181809992,1cyclictest9-21ksoftirqd/023:00:210
182059987,1cyclictest35-21ksoftirqd/319:50:003
182059983,4cyclictest28357-21apt-get22:55:103
182059980,2cyclictest240-21systemd-journal22:55:003
181979987,1cyclictest28-21ksoftirqd/221:05:002
181979986,1cyclictest61650irq/122-eno122:35:112
181979986,1cyclictest61650irq/122-eno122:05:222
181979986,1cyclictest61650irq/122-eno121:20:132
181979986,1cyclictest61650irq/122-eno119:59:592
181979986,1cyclictest61650irq/122-eno119:25:192
181979986,1cyclictest61650irq/122-eno100:10:132
181979986,1cyclictest20988-21cat20:20:172
181979986,1cyclictest13982-21tune2fs00:00:132
181899980,4cyclictest0-21swapper/123:46:071
181809988,0cyclictest9-21ksoftirqd/023:45:120
181809987,1cyclictest9-21ksoftirqd/023:50:150
181809987,1cyclictest9-21ksoftirqd/023:40:100
181809987,1cyclictest9-21ksoftirqd/023:35:200
181809987,1cyclictest9-21ksoftirqd/023:15:120
181809987,1cyclictest9-21ksoftirqd/023:05:110
181809987,1cyclictest9-21ksoftirqd/022:55:140
181809987,1cyclictest9-21ksoftirqd/022:40:100
181809987,1cyclictest9-21ksoftirqd/022:15:200
181809987,1cyclictest9-21ksoftirqd/000:25:190
181809987,1cyclictest13710-21ssh21:53:180
181809986,1cyclictest9-21ksoftirqd/022:45:180
181809986,1cyclictest9-21ksoftirqd/022:10:150
181809986,1cyclictest9-21ksoftirqd/000:35:390
181809986,1cyclictest19854-21ls20:19:590
181809981,6cyclictest22270-21perf20:25:000
181809981,6cyclictest20485-21ssh22:00:520
181809980,7cyclictest20436-21uname23:25:200
181809980,7cyclictest20436-21uname23:25:190
181809980,4cyclictest15230-21ssh21:15:000
181809980,1cyclictest20189-21ssh00:07:570
15543280,0sleep011272-21diskmemload00:01:140
3107270,1sleep10-21swapper/123:04:281
182059977,0cyclictest35-21ksoftirqd/321:36:503
182059976,1cyclictest9096-21ssh23:54:303
182059976,0cyclictest0-21swapper/322:19:593
182059974,1cyclictest240-21systemd-journal23:37:273
182059974,1cyclictest240-21systemd-journal22:15:003
182059973,2cyclictest7597-21/usr/sbin/munin21:00:153
182059973,2cyclictest240-21systemd-journal00:09:593
182059973,1cyclictest11272-21diskmemload21:10:423
182059972,2cyclictest11272-21diskmemload21:15:113
182059970,5cyclictest19021-21df_inode22:00:143
182059970,4cyclictest240-21systemd-journal23:45:003
182059970,4cyclictest20711-21munin-run19:15:003
182059970,3cyclictest32207-21apt-get23:00:123
182059970,2cyclictest7446-21apt-get23:10:093
182059970,1cyclictest0-21swapper/321:45:103
181979977,0cyclictest0-21swapper/200:06:492
181979976,1cyclictest61650irq/122-eno123:32:562
181979976,1cyclictest61650irq/122-eno123:29:112
181979976,1cyclictest61650irq/122-eno123:29:112
181979976,1cyclictest61650irq/122-eno123:20:092
181979976,1cyclictest61650irq/122-eno123:01:362
181979976,1cyclictest61650irq/122-eno122:58:282
181979976,1cyclictest61650irq/122-eno122:45:022
181979976,1cyclictest61650irq/122-eno122:25:132
181979976,1cyclictest61650irq/122-eno121:40:202
181979976,1cyclictest61650irq/122-eno119:35:122
181979976,1cyclictest61650irq/122-eno100:39:042
181979976,1cyclictest61650irq/122-eno100:30:132
181979976,1cyclictest61650irq/122-eno100:26:442
181979976,1cyclictest28-21ksoftirqd/223:57:512
181979976,0cyclictest61650irq/122-eno123:05:202
181979976,0cyclictest61650irq/122-eno122:10:132
181979976,0cyclictest61650irq/122-eno122:00:112
181979975,1cyclictest61650irq/122-eno121:57:242
181979975,1cyclictest61650irq/122-eno121:30:112
181979975,1cyclictest61650irq/122-eno119:30:132
181979973,2cyclictest240-21systemd-journal21:54:542
181979973,1cyclictest240-21systemd-journal20:05:002
181979971,3cyclictest240-21systemd-journal21:10:002
181979970,7cyclictest0-21swapper/222:43:492
181979970,4cyclictest6974-21apt-get21:45:102
181979970,1cyclictest0-21swapper/223:45:102
181899970,6cyclictest0-21swapper/100:20:111
181899970,5cyclictest0-21swapper/121:50:171
181899970,3cyclictest0-21swapper/121:30:111
181899970,3cyclictest0-21swapper/100:00:111
181899970,1cyclictest0-21swapper/123:20:101
181899970,1cyclictest0-21swapper/121:55:121
181899970,1cyclictest0-21swapper/120:35:111
181809977,0cyclictest9-21ksoftirqd/019:10:120
181809976,1cyclictest9-21ksoftirqd/023:30:120
181809976,1cyclictest9-21ksoftirqd/021:45:100
181809976,1cyclictest9-21ksoftirqd/021:20:170
181809976,1cyclictest9-21ksoftirqd/021:15:120
181809976,1cyclictest9-21ksoftirqd/020:05:000
181809976,0cyclictest9-21ksoftirqd/022:35:120
181809975,1cyclictest9-21ksoftirqd/021:30:200
181809975,1cyclictest9-21ksoftirqd/020:25:140
181809975,1cyclictest9-21ksoftirqd/019:45:010
181809971,6cyclictest5182-21ssh00:30:140
181809971,5cyclictest25084-21ssh00:15:110
181809971,2cyclictest15360-21apt-get20:10:110
181809970,7cyclictest3907-21taskset20:52:130
181809970,6cyclictest23548-21chrt21:25:090
181809970,6cyclictest0-21swapper/022:20:140
181809970,1cyclictest0-21swapper/019:25:120
182059966,0cyclictest578-21ntpq20:45:183
182059966,0cyclictest35-21ksoftirqd/321:50:093
182059965,1cyclictest6147-21ssh00:30:573
182059965,1cyclictest5862-21ssh23:06:343
182059965,1cyclictest29560-21ssh21:30:443
182059965,1cyclictest24693-21ssh22:06:543
182059965,1cyclictest23374-21ssh00:11:143
182059965,1cyclictest22516-21ssh22:45:543
182059965,1cyclictest15827-21ssh00:01:593
182059963,1cyclictest240-21systemd-journal19:35:003
182059963,1cyclictest0-21swapper/320:20:123
182059963,0cyclictest11272-21diskmemload00:35:143
182059962,3cyclictest9004-21apt-get22:30:123
182059962,3cyclictest17713-21apt-get20:15:113
182059962,2cyclictest240-21systemd-journal23:16:113
182059960,6cyclictest0-21swapper/323:46:073
182059960,4cyclictest5691-21df_inode22:25:133
182059960,4cyclictest240-21systemd-journal19:19:553
182059960,2cyclictest0-21swapper/300:15:113
182059960,1cyclictest27152-21/usr/sbin/munin20:35:163
182059960,1cyclictest0-21swapper/321:21:493
182059960,0cyclictest0-21swapper/323:26:453
182059960,0cyclictest0-21swapper/323:26:443
181979966,0cyclictest61650irq/122-eno123:51:262
181979966,0cyclictest61650irq/122-eno123:15:252
181979966,0cyclictest61650irq/122-eno123:12:452
181979966,0cyclictest61650irq/122-eno122:30:242
181979966,0cyclictest61650irq/122-eno121:25:182
181979966,0cyclictest61650irq/122-eno120:50:202
181979966,0cyclictest61650irq/122-eno120:35:372
181979966,0cyclictest61650irq/122-eno120:25:202
181979966,0cyclictest61650irq/122-eno119:51:462
181979966,0cyclictest61650irq/122-eno119:45:132
181979966,0cyclictest61650irq/122-eno119:11:042
181979966,0cyclictest61650irq/122-eno100:20:122
181979965,1cyclictest61650irq/122-eno123:40:142
181979965,1cyclictest61650irq/122-eno120:19:592
181979965,1cyclictest61650irq/122-eno119:41:112
181979965,1cyclictest29909-21ssh22:15:042
181979965,1cyclictest15458-21ssh21:15:062
181979964,1cyclictest61650irq/122-eno122:20:182
181979964,1cyclictest61650irq/122-eno120:40:172
181979964,1cyclictest61650irq/122-eno120:10:142
181979963,1cyclictest61650irq/122-eno121:35:172
181979960,1cyclictest0-21swapper/220:55:112
181979960,0cyclictest0-21swapper/219:20:112
181899961,2cyclictest260932sleep122:10:051
181899960,6cyclictest0-21swapper/121:23:221
181899960,6cyclictest0-21swapper/121:16:551
181899960,4cyclictest0-21swapper/121:29:181
181899960,4cyclictest0-21swapper/120:05:001
181899960,4cyclictest0-21swapper/100:13:271
181899960,3cyclictest0-21swapper/100:30:041
181899960,3cyclictest0-21swapper/100:15:111
181899960,2cyclictest0-21swapper/123:25:171
181899960,2cyclictest0-21swapper/123:25:171
181899960,1cyclictest0-21swapper/123:40:111
181809965,1cyclictest9-21ksoftirqd/020:55:120
181809964,1cyclictest9088-21basename22:30:120
181809964,1cyclictest9-21ksoftirqd/019:55:110
181809964,1cyclictest9-21ksoftirqd/019:15:100
181809963,2cyclictest31263-21/usr/sbin/munin19:35:150
181809960,6cyclictest0-21swapper/020:46:040
181809960,5cyclictest0-21swapper/020:00:130
181809960,2cyclictest3570-21apt-get19:45:110
181809960,1cyclictest0-21swapper/020:30:100
181809960,1cyclictest0-21swapper/020:30:090
181809960,0cyclictest0-21swapper/023:55:110
181809960,0cyclictest0-21swapper/021:05:130
181809960,0cyclictest0-21swapper/019:33:120
182059955,0cyclictest22892-21ssh23:30:033
182059955,0cyclictest0-21swapper/322:41:393
182059954,1cyclictest9538-21ssh23:55:033
182059954,1cyclictest25961-21ntpq20:30:163
182059954,1cyclictest25961-21ntpq20:30:163
182059954,1cyclictest25024-21switchtime21:25:203
182059954,1cyclictest0-21swapper/320:10:113
182059953,1cyclictest35-21ksoftirqd/319:40:103
182059953,1cyclictest11322-21fschecks_time20:00:153
182059953,0cyclictest13650irq/124-ahci[0020:09:543
182059952,2cyclictest11272-21diskmemload22:20:533
182059952,1cyclictest16498-21/usr/sbin/munin23:20:173
182059951,3cyclictest8031-21cron19:55:003
182059951,2cyclictest9146-21apt-get21:05:123
182059951,2cyclictest25496-21timerandwakeup19:20:183
182059950,2cyclictest29685-21sh20:40:113
182059950,2cyclictest24580-21perf20:30:003
181979955,0cyclictest61650irq/122-eno120:08:422
181979955,0cyclictest61650irq/122-eno119:15:112
181979951,1cyclictest0-21swapper/220:30:122
181979951,1cyclictest0-21swapper/220:30:122
181899955,0cyclictest0-21swapper/123:56:431
181899955,0cyclictest0-21swapper/123:16:071
181899955,0cyclictest0-21swapper/122:45:191
181899955,0cyclictest0-21swapper/120:27:251
181899954,1cyclictest0-21swapper/120:10:111
181899951,1cyclictest0-21swapper/122:23:101
181899951,1cyclictest0-21swapper/122:15:201
181899951,0cyclictest0-21swapper/122:55:001
181899950,5cyclictest0-21swapper/123:08:311
181899950,5cyclictest0-21swapper/121:38:341
181899950,5cyclictest0-21swapper/120:51:471
181899950,5cyclictest0-21swapper/120:33:521
181899950,5cyclictest0-21swapper/120:33:521
181899950,5cyclictest0-21swapper/120:05:461
181899950,5cyclictest0-21swapper/119:34:281
181899950,5cyclictest0-21swapper/119:23:231
181899950,4cyclictest0-21swapper/119:10:101
181899950,3cyclictest0-21swapper/123:34:311
181899950,3cyclictest0-21swapper/122:44:121
181899950,3cyclictest0-21swapper/100:25:291
181899950,2cyclictest0-21swapper/123:35:021
181899950,2cyclictest0-21swapper/122:35:121
181899950,2cyclictest0-21swapper/122:27:161
181899950,2cyclictest0-21swapper/122:01:021
181899950,2cyclictest0-21swapper/121:45:231
181899950,2cyclictest0-21swapper/121:10:161
181899950,2cyclictest0-21swapper/100:37:411
181899950,1cyclictest0-21swapper/121:00:221
181899950,0cyclictest0-21swapper/123:53:051
181899950,0cyclictest0-21swapper/123:10:101
181899950,0cyclictest0-21swapper/122:07:301
181899950,0cyclictest0-21swapper/120:41:591
181809951,2cyclictest0-21swapper/019:50:110
182059944,0cyclictest3417-21sensors20:50:193
182059942,1cyclictest5302-21kernelversion20:55:153
182059942,1cyclictest27229-21grep19:25:143
182059941,2cyclictest31266-21apt-get19:35:113
181899943,1cyclictest1202-21chrt19:40:051
181899941,3cyclictest0-21swapper/120:56:521
181899941,1cyclictest0-21swapper/120:24:511
181899941,1cyclictest0-21swapper/119:29:331
181899940,3cyclictest0-21swapper/122:32:591
181899940,3cyclictest0-21swapper/119:15:111
181899940,2cyclictest0-21swapper/119:55:001
181899940,2cyclictest0-21swapper/100:05:191
181899940,1cyclictest0-21swapper/121:05:201
181899940,0cyclictest0-21swapper/119:46:531
181899930,1cyclictest0-21swapper/120:45:071
181899930,1cyclictest0-21swapper/120:15:011
181899930,1cyclictest0-21swapper/119:55:001
181899930,1cyclictest0-21swapper/119:35:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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