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2026-05-26 - 22:59
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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 Tue May 26, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1058521050,2sleep11923799cyclictest10:46:421
1872726956,8sleep10-21swapper/107:05:261
62822680,1sleep00-21swapper/007:58:510
1872626351,8sleep00-21swapper/007:05:250
1923799336,4cyclictest91rcu_preempt12:14:361
1923799310,30cyclictest0-21swapper/111:47:441
19236993114,16cyclictest0-21swapper/007:23:120
19237993030,0cyclictest24-21ksoftirqd/109:06:201
19237993029,0cyclictest24-21ksoftirqd/109:13:511
19236993010,19cyclictest0-21swapper/010:14:000
1923799290,2cyclictest0-21swapper/112:01:581
19237992826,1cyclictest27155-21hddtemp_smartct11:09:041
19236992828,0cyclictest0-21swapper/010:19:410
19237992727,0cyclictest0-21swapper/107:10:171
19236992710,13cyclictest100250irq/107-eth1-rx11:58:590
1923699270,7cyclictest0-21swapper/012:34:060
1905622724,1sleep00-21swapper/007:08:510
1923799267,4cyclictest91rcu_preempt08:29:071
1923799264,3cyclictest91rcu_preempt11:25:341
19236992612,5cyclictest0-21swapper/012:16:440
19236992610,7cyclictest0-21swapper/009:49:010
19237992523,1cyclictest24-21ksoftirqd/111:06:521
19237992520,3cyclictest24-21ksoftirqd/107:54:031
19237992520,2cyclictest24-21ksoftirqd/109:24:061
1923799250,24cyclictest0-21swapper/112:05:461
19236992524,1cyclictest0-21swapper/011:50:100
19236992517,5cyclictest29044-21apache209:45:390
1923799242,8cyclictest91rcu_preempt10:52:111
19237992424,0cyclictest24-21ksoftirqd/110:02:471
19237992424,0cyclictest0-21swapper/112:36:261
1923799241,4cyclictest91rcu_preempt08:44:051
1923799241,3cyclictest91rcu_preempt07:35:201
19237992410,6cyclictest0-21swapper/112:23:121
19237992410,5cyclictest0-21swapper/111:40:171
1923799240,3cyclictest91rcu_preempt07:29:091
1923699243,12cyclictest0-21swapper/012:04:000
19236992410,1cyclictest0-21swapper/009:03:460
19236992410,12cyclictest0-21swapper/012:33:360
1923699240,21cyclictest0-21swapper/008:40:340
1923799232,2cyclictest91rcu_preempt11:36:191
19237992318,3cyclictest24-21ksoftirqd/109:52:311
19237992317,4cyclictest24-21ksoftirqd/112:09:261
19237992317,4cyclictest24-21ksoftirqd/110:08:441
19237992313,5cyclictest24-21ksoftirqd/111:15:241
19237992312,9cyclictest29070-21apache210:28:181
19237992310,9cyclictest0-21swapper/109:22:561
19237992310,11cyclictest0-21swapper/111:19:111
1923799230,23cyclictest0-21swapper/109:33:201
19236992310,9cyclictest0-21swapper/009:04:070
1923799225,8cyclictest671-21diskmemload10:31:491
1923799225,1cyclictest27831-21apache_processe09:44:011
1923799222,2cyclictest91rcu_preempt12:31:391
19237992216,2cyclictest24-21ksoftirqd/110:35:261
1923799221,3cyclictest91rcu_preempt10:20:091
19237992213,5cyclictest593-21lldpd08:54:421
19237992210,3cyclictest0-21swapper/108:18:061
1923799220,3cyclictest91rcu_preempt10:59:371
19236992210,5cyclictest0-21swapper/012:21:010
1923699220,22cyclictest0-21swapper/008:27:240
1923699220,0cyclictest0-21swapper/012:25:160
2009822110,0sleep00-21swapper/011:43:130
1923799214,8cyclictest91rcu_preempt09:17:351
1923799214,12cyclictest0-21swapper/107:14:051
1923799214,10cyclictest0-21swapper/108:24:091
19237992119,1cyclictest15075-21ntp_states10:09:071
1923799211,3cyclictest91rcu_preempt09:34:011
19237992110,9cyclictest0-21swapper/110:55:041
19237992110,5cyclictest0-21swapper/111:53:521
1923799210,9cyclictest10027-21apache207:19:021
1923699217,6cyclictest23931-21fschecks_time08:44:040
19236992121,0cyclictest0-21swapper/009:15:310
19236992120,1cyclictest81ktimersoftd/011:09:040
19236992115,4cyclictest0-21swapper/011:24:060
19236992110,4cyclictest0-21swapper/009:54:520
551422010,0sleep10-21swapper/109:56:411
19237992018,2cyclictest24-21ksoftirqd/107:44:091
19237992018,2cyclictest0-21swapper/111:50:071
19237992016,3cyclictest24-21ksoftirqd/108:21:411
19237992011,5cyclictest0-21swapper/108:36:211
19237992010,8cyclictest0-21swapper/112:27:071
19237992010,5cyclictest0-21swapper/107:39:091
19237992010,4cyclictest0-21swapper/111:29:251
19237992010,4cyclictest0-21swapper/107:59:061
1923699209,7cyclictest29070-21apache210:06:370
1923699203,8cyclictest0-21swapper/011:19:140
19236992018,1cyclictest636-21nscd09:29:460
19236992016,3cyclictest29070-21apache209:34:200
19236992010,4cyclictest0-21swapper/010:34:530
19236992010,4cyclictest0-21swapper/007:18:510
19236992010,3cyclictest0-21swapper/011:14:040
19236992010,2cyclictest0-21swapper/011:56:240
19236992010,2cyclictest0-21swapper/010:57:510
19236992010,0cyclictest0-21swapper/007:27:200
1923699200,2cyclictest0-21swapper/010:50:100
1923699200,14cyclictest8814-21rm10:00:360
2221421910,0sleep00-21swapper/011:02:290
1923799195,10cyclictest24-21ksoftirqd/108:04:051
1923799194,5cyclictest29422-21apache_accesses08:59:021
19237991910,3cyclictest0-21swapper/110:16:201
19237991910,2cyclictest0-21swapper/109:43:331
1923799190,18cyclictest0-21swapper/108:52:001
1923699196,8cyclictest0-21swapper/008:19:020
1923699196,7cyclictest0-21swapper/010:09:020
1923699194,10cyclictest0-21swapper/011:04:120
1923699193,5cyclictest0-21swapper/010:26:310
19236991919,0cyclictest0-21swapper/011:44:000
19236991918,1cyclictest29044-21apache208:32:340
19236991911,5cyclictest0-21swapper/008:06:570
19236991910,5cyclictest0-21swapper/011:34:230
19236991910,3cyclictest0-21swapper/009:23:140
19236991910,3cyclictest0-21swapper/007:33:520
1923799183,8cyclictest0-21swapper/108:09:121
19237991815,1cyclictest5378-21awk10:39:101
1923699187,9cyclictest0-21swapper/008:34:040
1923699185,8cyclictest0-21swapper/010:39:040
19236991812,4cyclictest0-21swapper/007:49:010
19236991811,2cyclictest6280-1kworker/u5:212:09:220
19236991810,8cyclictest0-21swapper/011:30:500
19236991810,4cyclictest0-21swapper/010:44:440
19236991810,4cyclictest0-21swapper/009:24:090
19236991810,4cyclictest0-21swapper/007:59:110
19236991810,3cyclictest0-21swapper/008:54:020
19237991711,3cyclictest25788-21/usr/sbin/munin07:24:081
1923699177,3cyclictest0-21swapper/007:44:050
1923699173,11cyclictest29033-21apache207:39:010
19236991713,4cyclictest0-21swapper/008:14:020
19236991710,4cyclictest0-21swapper/007:29:090
19236991710,3cyclictest0-21swapper/009:09:020
1923799162,5cyclictest2501-21/usr/sbin/munin07:49:051
19236991610,6cyclictest0-21swapper/008:49:240
19236991610,2cyclictest0-21swapper/010:29:030
19236991610,2cyclictest0-21swapper/008:09:030
1923799154,4cyclictest0-21swapper/108:39:021
19236991510,1cyclictest0-21swapper/009:39:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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