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2025-07-01 - 04:25
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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 Mon Jun 30, 2025 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
180282960,1sleep10-21swapper/112:35:591
636527057,8sleep10-21swapper/107:05:281
630926856,8sleep00-21swapper/007:04:520
172242660,0sleep00-21swapper/011:49:560
6775993810,0cyclictest0-21swapper/011:45:550
6775993333,0cyclictest0-21swapper/011:06:230
6775993011,19cyclictest0-21swapper/010:41:290
6775992910,1cyclictest0-21swapper/009:54:450
677599290,28cyclictest0-21swapper/009:48:050
6776992826,1cyclictest554-21cpu09:23:061
6775992810,4cyclictest0-21swapper/011:59:100
677599280,27cyclictest0-21swapper/010:57:130
677699272,24cyclictest8263-21head08:33:121
677699272,24cyclictest16684-21kworker/1:108:07:011
6776992710,3cyclictest97750irq/106-eth1-rx09:11:211
677699266,16cyclictest0-21swapper/108:28:131
6776992624,1cyclictest26505-21ssh11:18:391
677599252,14cyclictest1139-21df_inode12:13:050
6775992510,15cyclictest0-21swapper/009:40:290
677599250,24cyclictest0-21swapper/011:13:450
6776992424,0cyclictest0-21swapper/109:57:351
677699241,22cyclictest0-21swapper/109:52:241
677699240,15cyclictest0-21swapper/107:53:081
677599244,11cyclictest0-21swapper/009:43:100
6775992415,3cyclictest81ktimersoftd/008:13:100
6775992411,6cyclictest0-21swapper/007:23:030
6775992410,14cyclictest0-21swapper/010:27:420
677599240,3cyclictest0-21swapper/011:33:080
6776992310,8cyclictest0-21swapper/107:28:061
6776992310,5cyclictest0-21swapper/110:33:491
6776992310,13cyclictest0-21swapper/111:11:501
6776992310,10cyclictest0-21swapper/110:01:161
6775992315,4cyclictest19722sleep011:28:480
6775992311,7cyclictest0-21swapper/010:33:320
6775992310,6cyclictest0-21swapper/009:36:370
6775992310,10cyclictest0-21swapper/012:11:410
6775992310,0cyclictest0-21swapper/011:19:480
677699224,7cyclictest0-21swapper/110:23:531
6776992220,1cyclictest0-21swapper/112:23:071
677699221,12cyclictest4006-21ssh10:08:131
6776992210,8cyclictest0-21swapper/110:13:081
677699220,8cyclictest0-21swapper/110:42:511
677699220,19cyclictest29116-21/usr/sbin/munin11:23:081
677699220,19cyclictest0-21swapper/111:03:041
6775992218,1cyclictest0-21swapper/011:26:260
677699216,8cyclictest0-21swapper/108:38:111
677699212,9cyclictest168-21systemd-journal07:17:511
677699212,1cyclictest25133-21apache_accesses09:13:061
6776992121,0cyclictest97750irq/106-eth1-rx10:22:481
6776992121,0cyclictest0-21swapper/109:47:161
6776992117,1cyclictest231ktimersoftd/109:31:481
6776992110,9cyclictest0-21swapper/112:15:141
6776992110,6cyclictest0-21swapper/110:55:121
6776992110,5cyclictest0-21swapper/112:12:121
6776992110,4cyclictest0-21swapper/111:47:021
6776992110,4cyclictest0-21swapper/107:21:111
6776992110,1cyclictest0-21swapper/111:33:141
677699210,20cyclictest0-21swapper/112:22:061
677599215,13cyclictest0-21swapper/007:19:200
677599214,12cyclictest0-21swapper/010:08:060
677599213,10cyclictest0-21swapper/008:18:110
6775992110,7cyclictest0-21swapper/009:58:190
6775992110,5cyclictest0-21swapper/008:59:460
6775992110,1cyclictest0-21swapper/011:09:080
677599210,3cyclictest0-21swapper/010:18:150
677699202,2cyclictest0-21swapper/112:06:421
6776992017,2cyclictest6773-21cyclictest12:30:491
6776992013,3cyclictest0-21swapper/107:43:091
677699201,0cyclictest20734-21diskmemload10:48:561
6776992010,5cyclictest0-21swapper/111:48:091
6776992010,4cyclictest0-21swapper/108:18:101
6776992010,4cyclictest0-21swapper/107:37:521
6775992017,1cyclictest81ktimersoftd/009:21:310
6775992016,2cyclictest97750irq/106-eth1-rx08:08:100
677599201,4cyclictest0-21swapper/009:10:410
6775992014,1cyclictest0-21swapper/010:43:060
6775992010,3cyclictest0-21swapper/007:53:070
6775992010,0cyclictest0-21swapper/011:53:510
136662200,1sleep113671-21timerandwakeup07:23:121
910821910,1sleep00-21swapper/008:37:210
677699193,3cyclictest0-21swapper/110:58:071
6776991915,3cyclictest16644-21apache212:02:011
6776991914,4cyclictest16644-21apache211:29:011
6776991910,4cyclictest0-21swapper/109:18:111
6776991910,4cyclictest0-21swapper/108:48:071
677699190,18cyclictest0-21swapper/110:44:161
677599194,9cyclictest0-21swapper/009:23:140
6775991913,3cyclictest81ktimersoftd/010:13:120
677599191,16cyclictest0-21swapper/011:41:460
6775991911,3cyclictest0-21swapper/007:48:140
6775991910,7cyclictest0-21swapper/011:01:320
6775991910,7cyclictest0-21swapper/010:49:110
6775991910,5cyclictest0-21swapper/012:33:040
6775991910,1cyclictest0-21swapper/012:31:430
6775991910,0cyclictest0-21swapper/010:31:360
677699183,10cyclictest0-21swapper/111:53:141
6776991814,4cyclictest16644-21apache211:39:551
677699181,1cyclictest0-21swapper/109:39:541
6776991811,4cyclictest0-21swapper/110:30:521
6776991810,4cyclictest0-21swapper/110:03:021
6776991810,4cyclictest0-21swapper/109:37:281
6776991810,4cyclictest0-21swapper/108:53:141
6776991810,4cyclictest0-21swapper/108:08:101
6776991810,3cyclictest0-21swapper/108:13:071
6776991810,2cyclictest0-21swapper/108:58:071
677599186,11cyclictest0-21swapper/007:10:050
677599183,12cyclictest0-21swapper/008:03:100
677599183,11cyclictest0-21swapper/009:13:070
6775991813,4cyclictest636-21nscd12:19:130
6775991810,1cyclictest0-21swapper/012:23:040
677599180,18cyclictest0-21swapper/007:42:570
2777521810,0sleep00-21swapper/012:04:020
2405921810,0sleep10-21swapper/111:16:331
1296121810,0sleep00-21swapper/008:47:260
677699176,10cyclictest0-21swapper/108:43:061
6776991711,4cyclictest17216-21if_err_eth307:33:061
6776991710,4cyclictest0-21swapper/109:03:101
677599176,9cyclictest0-21swapper/009:28:100
677599174,5cyclictest0-21swapper/010:03:060
6775991710,5cyclictest0-21swapper/009:03:350
6775991710,5cyclictest0-21swapper/007:12:580
6775991710,3cyclictest0-21swapper/007:38:060
6775991710,2cyclictest0-21swapper/007:37:490
6776991610,4cyclictest0-21swapper/108:02:371
677599163,8cyclictest0-21swapper/008:23:110
6775991610,2cyclictest0-21swapper/007:28:080
677699153,4cyclictest3591-21/usr/sbin/munin08:23:051
677699151,9cyclictest0-21swapper/107:08:081
677599154,6cyclictest0-21swapper/008:53:080
6775991513,1cyclictest717-21snmpd08:50:250
6775991510,3cyclictest0-21swapper/008:38:150
6775991510,3cyclictest0-21swapper/008:28:080
6775991510,2cyclictest0-21swapper/007:58:070
6776991410,2cyclictest0-21swapper/107:48:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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