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2026-05-10 - 21:34
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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 rackcslot2.osadl.org (updated Sun May 10, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1832927152,8sleep10-21swapper/107:04:061
281112690,1sleep10-21swapper/110:24:111
295852650,0sleep00-21swapper/010:25:000
1969126552,8sleep00-21swapper/007:04:580
20258993710,1cyclictest0-21swapper/109:28:311
20257993212,4cyclictest0-21swapper/009:11:160
20257993210,19cyclictest0-21swapper/012:17:200
20258992826,1cyclictest0-21swapper/112:22:111
20258992810,6cyclictest0-21swapper/109:12:471
2025799280,27cyclictest0-21swapper/012:34:090
20258992721,4cyclictest30078-21apache210:10:231
2025799272,21cyclictest0-21swapper/009:33:400
20258992610,2cyclictest0-21swapper/112:28:071
2025899260,1cyclictest0-21swapper/112:09:481
2025799261,1cyclictest15389-21ssh10:07:110
2025899250,4cyclictest0-21swapper/109:49:161
20257992524,0cyclictest0-21swapper/008:53:220
2025899242,3cyclictest0-21swapper/111:09:451
20258992423,1cyclictest0-21swapper/111:31:541
2025899241,1cyclictest0-21swapper/109:45:291
20258992410,8cyclictest0-21swapper/111:14:091
2025899240,0cyclictest0-21swapper/112:35:371
2025899231,1cyclictest0-21swapper/110:40:241
2025899231,14cyclictest0-21swapper/109:19:151
20258992310,5cyclictest0-21swapper/109:34:321
20258992310,0cyclictest0-21swapper/111:22:151
2025899230,1cyclictest0-21swapper/110:35:261
20257992323,0cyclictest0-21swapper/007:29:550
2025799232,14cyclictest1592-21kworker/u4:011:58:490
20257992321,1cyclictest0-21swapper/010:39:130
20257992316,4cyclictest636-21nscd10:12:530
20257992310,7cyclictest0-21swapper/012:05:300
20257992310,5cyclictest0-21swapper/009:59:120
2025799230,1cyclictest0-21swapper/011:35:280
2025899226,8cyclictest0-21swapper/107:29:121
2025899224,14cyclictest0-21swapper/107:19:091
2025899220,2cyclictest0-21swapper/112:33:421
2025899220,2cyclictest0-21swapper/112:01:351
2025899220,1cyclictest0-21swapper/110:21:051
20257992220,1cyclictest0-21swapper/012:27:420
20257992215,3cyclictest0-21swapper/009:19:160
20257992212,7cyclictest14633-21munin-node11:45:570
20257992210,6cyclictest0-21swapper/009:04:120
20257992210,0cyclictest0-21swapper/009:35:530
565722110,0sleep10-21swapper/107:54:111
2232022110,0sleep10-21swapper/110:15:491
2025899216,8cyclictest0-21swapper/107:14:151
20258992119,1cyclictest13221-21irqstats10:04:141
20258992110,0cyclictest0-21swapper/109:56:321
2025899210,4cyclictest0-21swapper/111:26:001
2025899210,0cyclictest0-21swapper/109:59:131
2025799217,2cyclictest30097-21apache209:54:020
2025799214,12cyclictest0-21swapper/010:37:140
2025799213,10cyclictest9750-21sh11:24:170
20257992117,2cyclictest91rcu_preempt09:39:190
20257992110,5cyclictest0-21swapper/011:59:070
20257992110,5cyclictest0-21swapper/008:59:110
20257992110,5cyclictest0-21swapper/008:26:380
20257992110,4cyclictest0-21swapper/010:33:370
2025799210,8cyclictest6041-21apache_accesses09:14:090
2025899203,14cyclictest0-21swapper/108:16:591
2025899202,15cyclictest0-21swapper/108:24:141
20258992019,1cyclictest0-21swapper/111:54:091
20258992018,1cyclictest24077-21ssh11:00:371
20258992017,2cyclictest8905-21ssh12:05:561
20258992016,4cyclictest7107-1kworker/u5:209:16:441
20258992011,4cyclictest20255-21cyclictest11:43:271
20258992010,7cyclictest0-21swapper/110:58:191
20258992010,6cyclictest0-21swapper/110:53:421
20258992010,3cyclictest0-21swapper/108:44:161
20258992010,0cyclictest0-21swapper/111:38:331
2025899200,12cyclictest0-21swapper/108:29:091
2025899200,12cyclictest0-21swapper/108:09:151
2025799207,11cyclictest0-21swapper/010:19:140
2025799206,3cyclictest31365-21idleruntime-cro11:53:580
2025799203,11cyclictest0-21swapper/010:54:180
2025799202,8cyclictest4478-21cron09:53:580
20257992010,5cyclictest0-21swapper/012:12:400
20257992010,4cyclictest0-21swapper/008:34:130
20257992010,3cyclictest0-21swapper/011:09:170
20257992010,2cyclictest0-21swapper/011:07:090
20257992010,0cyclictest0-21swapper/007:52:240
2150821910,0sleep10-21swapper/109:33:441
20258991918,0cyclictest0-21swapper/111:46:111
20258991913,4cyclictest24-21ksoftirqd/111:04:141
20258991910,4cyclictest0-21swapper/110:44:121
20258991910,3cyclictest0-21swapper/108:39:101
2025799197,5cyclictest26045-21/usr/sbin/munin07:24:120
2025799194,7cyclictest0-21swapper/009:24:110
2025799193,10cyclictest0-21swapper/011:29:110
20257991917,1cyclictest7-21ksoftirqd/011:39:100
20257991917,1cyclictest14633-21munin-node07:19:200
20257991915,1cyclictest7-21ksoftirqd/008:04:090
20257991913,4cyclictest0-21swapper/012:19:090
20257991910,5cyclictest0-21swapper/008:09:140
20257991910,4cyclictest0-21swapper/011:14:090
20257991910,3cyclictest0-21swapper/007:16:270
2025799190,4cyclictest100150irq/106-eth1-rx12:32:380
2025899182,7cyclictest32088-21/usr/sbin/munin07:39:091
20258991812,2cyclictest32014-21/usr/sbin/munin10:29:111
2025899181,16cyclictest21572-21ntp_states08:34:161
20258991810,5cyclictest0-21swapper/107:49:121
20258991810,2cyclictest0-21swapper/111:49:171
20258991810,2cyclictest0-21swapper/109:41:501
20258991810,1cyclictest0-21swapper/108:49:111
2025899180,3cyclictest0-21swapper/112:16:121
2025799188,9cyclictest0-21swapper/008:44:150
2025799186,11cyclictest0-21swapper/007:54:180
2025799182,5cyclictest0-21swapper/011:19:590
20257991810,6cyclictest100150irq/106-eth1-rx08:31:170
20257991810,4cyclictest0-21swapper/009:44:090
20257991810,3cyclictest100250irq/107-eth1-rx10:59:070
20257991810,3cyclictest0-21swapper/008:39:160
20257991810,3cyclictest0-21swapper/007:34:190
20257991810,2cyclictest0-21swapper/010:14:110
20257991810,0cyclictest0-21swapper/010:50:200
2025799180,11cyclictest0-21swapper/008:54:200
2025799180,10cyclictest0-21swapper/007:42:120
2025899174,5cyclictest0-21swapper/107:44:171
2025899172,10cyclictest0-21swapper/107:24:091
20258991716,0cyclictest30603-21cat07:34:141
20258991710,4cyclictest0-21swapper/107:59:101
20257991710,2cyclictest0-21swapper/010:44:100
20257991710,2cyclictest0-21swapper/007:44:120
2984621610,0sleep10-21swapper/108:55:101
2025899165,6cyclictest0-21swapper/108:04:161
2025899163,6cyclictest30683-21diskstats08:59:121
2025799164,3cyclictest21769-21sshd07:11:230
2025799163,5cyclictest0-21swapper/008:14:190
20258991515,0cyclictest20627-21smartctl07:09:111
20257991510,3cyclictest0-21swapper/008:19:100
2025799150,6cyclictest9147-21awk08:03:580
2025899141,7cyclictest0-21swapper/109:04:111
2025899140,12cyclictest0-21swapper/108:19:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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