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2026-04-20 - 16:44
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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 Apr 20, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2405521180,1sleep02364599cyclictest12:36:290
50122710,0sleep10-21swapper/110:39:191
43522690,0sleep00-21swapper/011:24:080
2328226956,9sleep10-21swapper/107:07:131
2318026956,8sleep00-21swapper/007:06:100
23646994110,30cyclictest0-21swapper/110:47:141
23646993910,28cyclictest0-21swapper/109:29:401
23646993710,23cyclictest0-21swapper/108:29:191
23646993614,21cyclictest100150irq/106-eth1-rx10:08:181
23646993610,25cyclictest6641-21ssh09:54:381
23646993610,25cyclictest0-21swapper/112:36:211
23646993610,25cyclictest0-21swapper/111:14:501
23646993610,25cyclictest0-21swapper/111:07:151
23646993510,24cyclictest0-21swapper/110:03:191
2364699350,3cyclictest0-21swapper/108:34:231
23646993410,23cyclictest0-21swapper/111:43:311
2364699340,0cyclictest0-21swapper/111:09:241
23646993310,22cyclictest0-21swapper/112:10:331
2364699330,0cyclictest0-21swapper/108:54:211
23646993210,21cyclictest0-21swapper/109:39:311
23646993110,21cyclictest0-21swapper/107:09:261
23646993110,15cyclictest0-21swapper/109:46:411
23645993110,2cyclictest4238-21kworker/u4:211:34:060
2364699300,2cyclictest0-21swapper/110:51:591
23646992928,0cyclictest0-21swapper/110:11:301
2364699291,5cyclictest0-21swapper/111:24:251
23646992911,16cyclictest3002-21pidof10:35:271
23646992910,1cyclictest0-21swapper/109:28:211
2364699290,6cyclictest0-21swapper/111:34:191
2364699281,7cyclictest16063-21munin-run09:24:071
23646992810,3cyclictest0-21swapper/112:28:151
23646992810,1cyclictest0-21swapper/111:53:341
23646992810,17cyclictest0-21swapper/110:54:471
23646992810,17cyclictest0-21swapper/109:05:531
23646992810,11cyclictest0-21swapper/110:24:271
2364699280,6cyclictest3430-21fschecks_time07:39:221
23646992710,8cyclictest0-21swapper/108:13:331
23646992710,17cyclictest0-21swapper/109:13:381
23645992710,13cyclictest0-21swapper/011:49:090
2364699261,4cyclictest13004-21fschecks_time08:04:221
23646992610,9cyclictest0-21swapper/107:33:461
2364599269,11cyclictest0-21swapper/010:07:430
23645992610,1cyclictest0-21swapper/011:14:520
2364599260,4cyclictest0-21swapper/011:38:120
2364699252,2cyclictest0-21swapper/112:20:511
23646992513,11cyclictest0-21swapper/109:15:431
2364699250,7cyclictest0-21swapper/107:44:271
2364599253,20cyclictest0-21swapper/010:36:060
23645992519,5cyclictest1085-21apache210:40:250
2364599250,2cyclictest0-21swapper/011:58:290
2364699244,8cyclictest0-21swapper/112:14:131
23646992411,12cyclictest1526-21apache_volume09:49:201
23646992410,1cyclictest0-21swapper/112:29:271
23645992424,0cyclictest0-21swapper/012:21:290
23645992418,5cyclictest1108-21apache209:52:100
23645992411,4cyclictest0-21swapper/010:09:400
23645992410,5cyclictest0-21swapper/008:25:140
2364599240,23cyclictest0-21swapper/012:13:360
2465822310,0sleep00-21swapper/011:06:220
23646992323,0cyclictest0-21swapper/110:14:151
23646992311,10cyclictest3047-21apache207:24:501
23646992310,13cyclictest0-21swapper/111:54:461
2364699230,8cyclictest19381-21missed_timers11:44:241
23645992321,1cyclictest0-21swapper/010:16:460
23645992310,9cyclictest0-21swapper/009:34:300
23645992310,9cyclictest0-21swapper/009:09:190
23645992310,5cyclictest0-21swapper/012:25:090
23645992310,5cyclictest0-21swapper/009:29:540
23645992310,5cyclictest0-21swapper/008:59:160
23646992211,11cyclictest0-21swapper/109:37:471
2364599222,8cyclictest0-21swapper/008:34:200
23645992221,1cyclictest7-21ksoftirqd/008:19:190
23645992211,8cyclictest1085-21apache211:28:570
23645992210,5cyclictest0-21swapper/010:24:250
23645992210,3cyclictest0-21swapper/011:59:200
2364699212,2cyclictest0-21swapper/112:04:221
2364699212,14cyclictest0-21swapper/107:19:201
23646992110,6cyclictest0-21swapper/110:59:231
2364699210,13cyclictest0-21swapper/111:19:271
2364599215,10cyclictest0-21swapper/009:24:250
2364599213,10cyclictest0-21swapper/008:39:200
23645992121,0cyclictest0-21swapper/012:08:230
23645992120,1cyclictest1108-21apache210:53:370
23645992115,5cyclictest1108-21apache210:54:400
23645992111,7cyclictest100150irq/106-eth1-rx11:44:200
23645992110,7cyclictest0-21swapper/008:04:200
23645992110,4cyclictest0-21swapper/010:03:480
2364599210,1cyclictest0-21swapper/010:29:330
2364699208,11cyclictest0-21swapper/108:49:201
2364699203,10cyclictest0-21swapper/107:59:201
23646992010,5cyclictest0-21swapper/108:41:391
23646992010,5cyclictest0-21swapper/107:14:231
2364599202,7cyclictest0-21swapper/007:59:240
23645992010,8cyclictest0-21swapper/012:14:240
23645992010,4cyclictest0-21swapper/007:36:470
23645992010,4cyclictest0-21swapper/007:29:210
23645992010,2cyclictest0-21swapper/009:54:210
2364699193,7cyclictest0-21swapper/110:29:211
23646991910,8cyclictest2249-21ntp_offset08:59:221
23646991910,8cyclictest0-21swapper/111:29:261
23646991910,5cyclictest0-21swapper/110:19:101
23646991910,4cyclictest0-21swapper/108:14:191
2364599194,7cyclictest0-21swapper/010:19:190
2364599191,7cyclictest0-21swapper/009:48:410
23645991916,3cyclictest1085-21apache211:01:450
23645991911,7cyclictest100250irq/107-eth1-rx09:18:410
2364599191,14cyclictest32273-21/usr/sbin/munin08:54:210
23645991910,2cyclictest0-21swapper/009:04:240
23645991910,1cyclictest0-21swapper/007:44:080
2764821810,0sleep00-21swapper/011:10:160
2364699182,8cyclictest5164-21diskmemload11:59:251
2364599184,9cyclictest0-21swapper/007:44:210
2364599182,9cyclictest0-21swapper/008:09:280
2364599181,8cyclictest30013-21sh09:44:080
23645991810,6cyclictest0-21swapper/007:09:190
23645991810,3cyclictest0-21swapper/007:49:190
3134621710,1sleep00-21swapper/008:50:200
2364699176,6cyclictest0-21swapper/107:49:191
2364699175,8cyclictest0-21swapper/108:44:191
23646991710,6cyclictest744-21snmpd07:56:441
23646991710,6cyclictest744-21snmpd07:56:441
23646991710,3cyclictest0-21swapper/108:19:201
23646991710,3cyclictest0-21swapper/107:38:551
2364599175,3cyclictest0-21swapper/012:33:370
2364599172,2cyclictest0-21swapper/007:19:180
23645991710,5cyclictest0-21swapper/010:47:290
23645991710,2cyclictest0-21swapper/007:24:190
2364699162,10cyclictest0-21swapper/108:24:271
23645991611,3cyclictest0-21swapper/011:42:510
23645991610,2cyclictest0-21swapper/009:24:080
23645991610,1cyclictest0-21swapper/007:14:180
23645991610,0cyclictest0-21swapper/007:59:070
23645991610,0cyclictest0-21swapper/007:59:070
2364599152,10cyclictest0-21swapper/008:44:200
23645991515,0cyclictest0-21swapper/008:29:260
23645991514,1cyclictest23643-21cyclictest08:18:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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