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2025-12-02 - 23:45
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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 rackcslot2.osadl.org (updated Tue Dec 02, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
117962990,1sleep011784-21cron07:26:410
384027351,18sleep10-21swapper/107:04:131
232326855,8sleep00-21swapper/007:01:470
4258993810,6cyclictest0-21swapper/009:50:270
4259993737,0cyclictest0-21swapper/112:32:551
4259993410,20cyclictest0-21swapper/110:34:141
4259992910,13cyclictest0-21swapper/110:17:251
4258992929,0cyclictest0-21swapper/012:06:010
4258992912,7cyclictest0-21swapper/011:48:180
4258992910,16cyclictest0-21swapper/010:59:260
4258992910,0cyclictest0-21swapper/012:19:480
4259992822,2cyclictest4256-21cyclictest11:44:171
425999280,27cyclictest0-21swapper/107:32:041
4259992725,1cyclictest0-21swapper/110:38:201
4259992710,2cyclictest0-21swapper/109:56:581
4259992710,2cyclictest0-21swapper/109:56:581
4258992710,13cyclictest0-21swapper/011:10:250
4259992610,14cyclictest0-21swapper/111:14:071
4258992624,1cyclictest25678-21/usr/sbin/munin08:02:040
425899260,6cyclictest0-21swapper/011:12:310
4258992510,13cyclictest0-21swapper/012:14:510
425999244,11cyclictest0-21swapper/111:57:161
425999242,4cyclictest0-21swapper/110:09:531
4259992423,0cyclictest0-21swapper/111:16:571
4259992410,3cyclictest0-21swapper/107:41:591
425999240,2cyclictest26215-21ssh12:03:261
425999240,20cyclictest20243-21rm09:49:481
4258992418,5cyclictest14063-21apache211:53:470
4258992417,6cyclictest636-21nscd10:38:490
4259992316,6cyclictest14063-21apache209:10:081
4259992313,8cyclictest18115-21diskmemload09:20:551
4259992310,8cyclictest0-21swapper/110:41:561
4259992310,5cyclictest5460-21ssh12:19:161
4259992310,5cyclictest0-21swapper/107:46:521
425899231,22cyclictest0-21swapper/009:27:200
4258992310,9cyclictest97750irq/106-eth1-rx12:10:260
4258992310,8cyclictest0-21swapper/010:24:260
4258992310,10cyclictest0-21swapper/011:32:030
1582922310,2sleep10-21swapper/111:07:271
425999222,5cyclictest0-21swapper/111:03:351
425999222,19cyclictest0-21swapper/109:26:511
4259992210,0cyclictest0-21swapper/111:53:541
4258992221,1cyclictest0-21swapper/007:19:170
4258992216,5cyclictest6477-21fschecks_time07:11:540
425999214,8cyclictest18115-21diskmemload12:27:001
4259992119,1cyclictest14063-21apache209:35:131
4259992110,9cyclictest0-21swapper/112:24:231
4259992110,5cyclictest0-21swapper/109:03:121
425999210,3cyclictest0-21swapper/111:36:161
425899215,9cyclictest0-21swapper/008:36:590
425899212,12cyclictest14935-21ntp_states07:32:010
4258992120,1cyclictest0-21swapper/009:05:520
4258992116,4cyclictest14063-21apache211:19:400
4258992114,6cyclictest18540-21snmpd10:43:380
4258992113,4cyclictest3743-21sh10:10:410
4258992110,5cyclictest0-21swapper/012:31:420
4258992110,2cyclictest0-21swapper/009:07:000
4258992110,10cyclictest0-21swapper/011:37:420
4258992110,10cyclictest0-21swapper/009:26:020
4258992110,0cyclictest0-21swapper/010:29:580
3044522110,0sleep00-21swapper/011:26:590
425999208,8cyclictest28934-21ntp_states12:07:011
425999206,7cyclictest0-21swapper/110:22:051
4259992014,4cyclictest11056-21python07:22:011
4259992011,6cyclictest14089-21apache210:01:521
4259992010,7cyclictest0-21swapper/108:37:031
4259992010,4cyclictest0-21swapper/108:47:021
4259992010,3cyclictest0-21swapper/109:44:431
4259992010,2cyclictest0-21swapper/108:06:471
425899209,10cyclictest0-21swapper/009:33:040
425899205,9cyclictest0-21swapper/007:41:530
425899204,10cyclictest0-21swapper/008:52:020
4258992020,0cyclictest81ktimersoftd/008:42:220
4258992019,1cyclictest14063-21apache208:32:040
4258992017,1cyclictest4256-21cyclictest09:16:520
4258992017,1cyclictest0-21swapper/010:32:340
425899201,4cyclictest0-21swapper/011:25:380
4258992011,4cyclictest0-21swapper/010:50:030
4258992011,2cyclictest0-21swapper/010:17:010
4258992010,4cyclictest0-21swapper/011:42:010
4258992010,4cyclictest0-21swapper/008:11:520
425999199,6cyclictest0-21swapper/111:28:161
425999194,6cyclictest0-21swapper/108:17:001
425999192,10cyclictest0-21swapper/108:57:021
4259991917,2cyclictest0-21swapper/111:38:191
4259991917,1cyclictest9801-21cpu09:36:541
4259991916,2cyclictest636-21nscd07:56:421
4259991913,1cyclictest4256-21cyclictest10:29:191
4259991911,4cyclictest97850irq/107-eth1-rx09:51:481
4259991910,4cyclictest0-21swapper/111:51:051
425999190,4cyclictest0-21swapper/112:14:301
425999190,4cyclictest0-21swapper/109:12:141
425999190,10cyclictest0-21swapper/108:02:051
425899192,9cyclictest0-21swapper/009:11:550
4258991918,0cyclictest18115-21diskmemload09:51:500
4258991910,6cyclictest98050irq/109-eth1-tx12:29:540
4258991910,6cyclictest0-21swapper/010:04:300
4258991910,4cyclictest0-21swapper/011:04:000
4258991910,3cyclictest0-21swapper/011:57:150
425999183,11cyclictest1178-21/usr/sbin/munin08:21:541
4259991812,2cyclictest7246-21/usr/sbin/munin10:56:591
4259991812,1cyclictest4750-21if_eth007:06:551
4259991810,6cyclictest0-21swapper/109:21:571
4259991810,4cyclictest0-21swapper/110:56:301
4259991810,4cyclictest0-21swapper/110:48:141
425999180,0cyclictest1111-21runrttasks10:15:051
425899186,4cyclictest0-21swapper/007:52:070
425899184,8cyclictest0-21swapper/008:21:560
425899182,3cyclictest0-21swapper/010:15:450
4258991814,1cyclictest0-21swapper/007:31:410
4258991810,4cyclictest0-21swapper/007:56:580
4258991810,3cyclictest0-21swapper/010:51:540
425999175,6cyclictest0-21swapper/107:56:571
425999173,4cyclictest0-21swapper/107:11:581
425999172,8cyclictest0-21swapper/107:36:541
4259991710,4cyclictest0-21swapper/111:25:371
4259991710,2cyclictest0-21swapper/107:26:561
4259991710,2cyclictest0-21swapper/107:20:121
425899175,6cyclictest0-21swapper/009:56:530
425899175,6cyclictest0-21swapper/009:56:530
425899173,9cyclictest0-21swapper/007:06:520
4258991710,7cyclictest0-21swapper/008:31:200
4258991710,7cyclictest0-21swapper/007:49:520
4258991710,7cyclictest0-21swapper/007:40:360
4258991710,2cyclictest0-21swapper/009:44:590
425899170,11cyclictest0-21swapper/008:06:580
425999162,4cyclictest0-21swapper/108:31:531
4259991610,2cyclictest0-21swapper/108:11:551
4259991610,1cyclictest0-21swapper/108:41:571
4259991610,1cyclictest0-21swapper/108:27:011
4258991610,6cyclictest0-21swapper/008:57:400
4258991610,3cyclictest1111-21runrttasks08:17:350
4258991610,3cyclictest0-21swapper/012:21:560
4258991610,3cyclictest0-21swapper/008:47:020
425899160,1cyclictest0-21swapper/009:38:260
4259991510,2cyclictest0-21swapper/108:52:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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