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2025-10-10 - 14:36
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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 Fri Oct 10, 2025 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
847021010,1sleep12612099cyclictest23:13:121
2564926856,8sleep00-21swapper/019:04:030
2550026856,8sleep10-21swapper/119:02:291
26120993410,2cyclictest0-21swapper/122:54:001
26119993310,22cyclictest0-21swapper/023:49:390
2611999300,29cyclictest0-21swapper/022:21:160
26120992922,5cyclictest588-21gmain00:32:031
2612099290,7cyclictest0-21swapper/121:17:161
26120992824,4cyclictest21454-21kworker/1:122:10:301
26120992810,1cyclictest0-21swapper/123:19:551
2611999280,17cyclictest0-21swapper/022:51:070
26120992710,6cyclictest0-21swapper/121:07:211
26119992715,0cyclictest17943-21kworker/u4:022:46:560
2611999270,6cyclictest0-21swapper/021:40:000
2612099260,1cyclictest0-21swapper/121:55:111
26119992626,0cyclictest0-21swapper/000:21:050
26119992610,10cyclictest0-21swapper/023:08:230
2611999260,25cyclictest29927-21cat19:17:040
26119992521,4cyclictest12238-21apache221:29:060
26119992510,3cyclictest0-21swapper/023:03:070
2612099242,5cyclictest0-21swapper/123:48:401
2612099242,21cyclictest0-21swapper/121:42:321
26120992418,4cyclictest12238-21apache222:39:081
26120992410,8cyclictest0-21swapper/122:13:061
2611999244,12cyclictest0-21swapper/022:27:210
2611999243,19cyclictest26031-21rm22:12:200
26119992414,2cyclictest0-21swapper/019:18:120
26119992410,7cyclictest0-21swapper/021:57:250
26120992316,6cyclictest12227-21apache200:33:351
26120992316,4cyclictest0-21swapper/100:22:261
26120992310,7cyclictest0-21swapper/120:12:181
26120992310,3cyclictest0-21swapper/122:02:071
26119992321,1cyclictest26117-21cyclictest22:09:160
26119992310,8cyclictest0-21swapper/023:27:260
26119992310,7cyclictest0-21swapper/022:32:420
26119992310,6cyclictest0-21swapper/023:37:120
26120992210,7cyclictest97750irq/106-eth1-rx22:27:131
26120992210,6cyclictest0-21swapper/100:12:151
26120992210,5cyclictest0-21swapper/120:57:181
2612099220,7cyclictest0-21swapper/122:46:061
2612099220,5cyclictest0-21swapper/123:09:591
2612099220,1cyclictest0-21swapper/121:25:161
26119992218,3cyclictest12238-21apache221:21:590
26119992217,4cyclictest817-21apache223:15:110
26119992214,6cyclictest12227-21apache200:14:480
26119992210,7cyclictest7312-21diskmemload23:32:220
26119992210,6cyclictest97750irq/106-eth1-rx23:01:490
26119992210,3cyclictest0-21swapper/021:22:210
26119992210,10cyclictest0-21swapper/022:37:530
2612099211,4cyclictest0-21swapper/123:43:121
26120992113,6cyclictest12238-21apache219:57:221
26120992111,7cyclictest97750irq/106-eth1-rx22:34:471
26120992111,6cyclictest97850irq/107-eth1-rx21:15:531
26120992110,6cyclictest0-21swapper/123:02:171
26120992110,5cyclictest0-21swapper/121:47:241
26119992120,0cyclictest0-21swapper/022:26:520
26119992110,5cyclictest0-21swapper/023:25:520
26119992110,3cyclictest0-21swapper/020:47:240
26119992110,0cyclictest0-21swapper/023:46:080
2472822110,0sleep10-21swapper/123:34:451
26120992019,1cyclictest12238-21apache221:28:391
26120992019,1cyclictest12227-21apache220:42:261
26120992016,2cyclictest1111-21runrttasks20:24:521
26120992013,2cyclictest27683-21sh23:37:531
2612099201,14cyclictest12227-21apache221:33:011
26120992011,3cyclictest0-21swapper/121:38:011
26120992010,7cyclictest0-21swapper/119:12:181
26120992010,6cyclictest0-21swapper/122:22:261
26120992010,6cyclictest0-21swapper/119:22:191
26120992010,2cyclictest0-21swapper/119:30:131
26120992010,2cyclictest0-21swapper/100:17:481
26120992010,0cyclictest0-21swapper/122:18:581
2611999204,4cyclictest7312-21diskmemload21:11:120
26119992017,2cyclictest12227-21apache223:19:590
26119992017,0cyclictest17924-21cpuspeed_turbos22:02:170
26119992015,4cyclictest12238-21apache222:55:480
26119992014,4cyclictest13623-21taskset21:56:490
26119992010,3cyclictest0-21swapper/000:09:020
1491222010,0sleep10-21swapper/100:04:321
26120991919,0cyclictest0-21swapper/122:49:121
26120991918,1cyclictest12227-21apache223:29:431
26120991912,4cyclictest12238-21apache220:34:591
26120991910,4cyclictest0-21swapper/100:07:171
26120991910,2cyclictest0-21swapper/119:32:201
2611999197,4cyclictest0-21swapper/019:52:270
2611999194,9cyclictest0-21swapper/021:42:160
2611999194,8cyclictest7478-21fschecks_count19:42:160
2611999192,16cyclictest2670-21/usr/sbin/munin00:32:230
2611999192,12cyclictest0-21swapper/020:07:150
2611999191,17cyclictest15629-21kworker/0:121:47:250
26119991910,7cyclictest0-21swapper/023:53:430
26119991910,5cyclictest0-21swapper/019:41:410
26119991910,5cyclictest0-21swapper/000:22:160
26119991910,4cyclictest0-21swapper/023:59:140
26119991910,4cyclictest0-21swapper/021:12:240
26119991910,3cyclictest0-21swapper/019:09:050
1805821910,0sleep10-21swapper/123:27:021
26120991812,4cyclictest12227-21apache219:10:361
26120991810,4cyclictest0-21swapper/123:54:051
2612099180,13cyclictest28997-21users22:57:261
26119991810,5cyclictest0-21swapper/019:22:230
26119991810,4cyclictest0-21swapper/021:32:340
26119991810,2cyclictest0-21swapper/020:27:230
26120991710,4cyclictest0-21swapper/120:02:201
26120991710,4cyclictest0-21swapper/119:53:401
26120991710,3cyclictest0-21swapper/100:01:151
26120991710,2cyclictest0-21swapper/121:02:261
26119991714,2cyclictest14581-21ssh00:03:300
26119991710,3cyclictest0-21swapper/020:37:200
26119991710,2cyclictest0-21swapper/020:57:180
26119991710,1cyclictest101rcu_sched20:37:040
2611999170,0cyclictest31314-21ssh00:27:120
1706421710,0sleep10-21swapper/122:01:021
2612099166,5cyclictest17534-21/usr/sbin/munin20:07:201
26120991610,4cyclictest0-21swapper/120:52:271
26120991610,4cyclictest0-21swapper/119:44:111
26120991610,2cyclictest0-21swapper/119:47:161
2611999168,3cyclictest6148-21sort21:02:220
2611999164,6cyclictest0-21swapper/020:14:490
2611999164,6cyclictest0-21swapper/020:02:210
26119991616,0cyclictest20981-21grep20:17:180
2612099155,4cyclictest0-21swapper/120:47:171
2612099154,4cyclictest0-21swapper/119:17:171
26120991510,4cyclictest21454-21kworker/1:120:41:161
26120991510,3cyclictest0-21swapper/120:17:171
26120991510,3cyclictest0-21swapper/119:37:181
26120991510,2cyclictest0-21swapper/120:27:181
2611999154,5cyclictest0-21swapper/020:22:180
26119991515,0cyclictest0-21swapper/019:31:220
26119991510,5cyclictest0-21swapper/020:01:460
26119991510,4cyclictest0-21swapper/019:47:250
26119991510,2cyclictest0-21swapper/020:52:170
26119991510,0cyclictest0-21swapper/019:32:160
26119991410,2cyclictest0-21swapper/020:42:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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