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2025-04-02 - 03:55
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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 Wed Apr 02, 2025 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1678826856,8sleep00-21swapper/019:06:430
1666826855,9sleep10-21swapper/119:05:271
201312630,0sleep00-21swapper/023:00:060
17144993434,0cyclictest7-21ksoftirqd/022:18:320
17144993410,0cyclictest0-21swapper/022:03:000
17144993210,2cyclictest0-21swapper/023:31:390
17144993210,2cyclictest0-21swapper/022:47:430
1714599310,30cyclictest11815-21kworker/u4:123:44:261
17145993030,0cyclictest0-21swapper/121:11:171
1714599300,28cyclictest0-21swapper/122:25:451
17144992928,0cyclictest0-21swapper/022:23:060
1714499287,20cyclictest0-21swapper/022:35:250
17145992610,2cyclictest0-21swapper/121:34:121
17144992610,0cyclictest0-21swapper/019:17:030
17145992524,1cyclictest0-21swapper/122:38:491
1714599252,22cyclictest27111-21ssh23:10:301
17145992520,2cyclictest26856-21apache221:08:131
1714599251,22cyclictest8619-21ssh22:04:511
17145992511,1cyclictest13198-21grep21:28:531
17145992511,1cyclictest13198-21grep21:28:531
17145992510,6cyclictest0-21swapper/120:53:451
17145992510,4cyclictest0-21swapper/123:51:571
17144992511,13cyclictest0-21swapper/000:18:220
17144992510,6cyclictest0-21swapper/020:38:490
17145992410,11cyclictest0-21swapper/123:02:511
17144992422,1cyclictest28852-21cron23:13:320
17144992410,8cyclictest0-21swapper/023:38:550
1714499240,13cyclictest0-21swapper/020:58:440
17145992317,5cyclictest25864-21python19:28:551
17145992312,4cyclictest817-21apache223:56:371
1714599231,18cyclictest0-21swapper/123:06:151
1714599230,15cyclictest0-21swapper/121:54:001
17144992313,5cyclictest81ktimersoftd/022:48:410
17144992310,2cyclictest0-21swapper/021:14:560
17144992310,1cyclictest0-21swapper/022:23:420
17145992222,0cyclictest17142-21cyclictest00:33:591
17145992216,4cyclictest26856-21apache219:12:481
17145992213,1cyclictest5144-21unixbench_multi21:58:511
17145992210,7cyclictest0-21swapper/121:20:281
17145992210,7cyclictest0-21swapper/120:25:121
17145992210,2cyclictest0-21swapper/100:05:101
1714599220,5cyclictest0-21swapper/123:16:591
1714599220,4cyclictest0-21swapper/100:09:281
1714599220,1cyclictest0-21swapper/122:56:121
1714599220,13cyclictest0-21swapper/120:13:471
17144992217,5cyclictest26856-21apache223:55:280
17144992217,4cyclictest26856-21apache223:20:400
17144992216,4cyclictest14454-21if_eth122:53:480
17144992211,4cyclictest0-21swapper/000:33:450
17144992210,9cyclictest0-21swapper/022:28:510
17144992210,7cyclictest0-21swapper/022:41:420
17144992210,6cyclictest0-21swapper/023:13:410
17144992210,2cyclictest0-21swapper/023:33:460
1714499220,1cyclictest31290-21ssh21:52:520
1714499220,18cyclictest0-21swapper/022:10:470
838422110,0sleep10-21swapper/122:46:321
1714599213,16cyclictest0-21swapper/123:39:141
1714599213,11cyclictest168-21systemd-journal19:34:551
17145992119,2cyclictest709-21irqbalance00:21:471
17145992116,4cyclictest26856-21apache200:23:351
1714599211,2cyclictest0-21swapper/123:32:501
17145992112,3cyclictest0-21swapper/120:43:531
1714599211,19cyclictest26271-21ssh22:28:341
17145992110,6cyclictest0-21swapper/100:17:241
17145992110,4cyclictest0-21swapper/121:48:441
17145992110,3cyclictest0-21swapper/122:22:381
17145992110,1cyclictest0-21swapper/123:26:291
17145992110,1cyclictest0-21swapper/121:26:371
1714599210,2cyclictest0-21swapper/121:14:291
1714599210,20cyclictest9896-21diskstats22:48:411
17144992119,0cyclictest10050irq/110-ahci[0000:25:590
1714499211,11cyclictest0-21swapper/019:33:490
17144992110,8cyclictest0-21swapper/000:30:320
17144992110,6cyclictest0-21swapper/020:13:500
17144992110,1cyclictest0-21swapper/000:08:270
1714599209,8cyclictest0-21swapper/123:20:471
17145992011,6cyclictest97750irq/106-eth1-rx22:34:591
17145992010,3cyclictest16951-21kworker/1:200:30:221
17145992010,3cyclictest0-21swapper/119:53:451
17145992010,2cyclictest0-21swapper/121:38:581
1714499203,9cyclictest0-21swapper/023:48:470
1714499202,14cyclictest0-21swapper/021:03:460
17144992016,2cyclictest7-21ksoftirqd/000:18:510
17144992015,4cyclictest26879-21apache223:27:390
17144992015,4cyclictest2097-21/usr/sbin/munin19:53:470
17144992010,6cyclictest0-21swapper/021:26:300
17144992010,6cyclictest0-21swapper/020:33:420
17144992010,3cyclictest0-21swapper/021:47:360
1714599196,9cyclictest0-21swapper/120:08:511
17145991918,1cyclictest0-21swapper/119:42:451
17145991911,4cyclictest1111-21runrttasks19:18:361
17145991911,3cyclictest817-21apache222:17:551
17145991910,8cyclictest0-21swapper/121:48:231
17145991910,4cyclictest0-21swapper/120:58:481
17145991910,4cyclictest0-21swapper/120:18:481
1714599190,3cyclictest0-21swapper/120:38:451
1714499195,9cyclictest0-21swapper/019:38:530
1714499193,8cyclictest0-21swapper/020:43:450
17144991913,2cyclictest0-21swapper/021:56:440
17144991912,5cyclictest26856-21apache222:07:200
17144991910,6cyclictest0-21swapper/019:27:200
17144991910,5cyclictest0-21swapper/023:04:040
1714499190,5cyclictest0-21swapper/020:48:550
1714499190,1cyclictest0-21swapper/021:21:330
1714499190,17cyclictest0-21swapper/023:45:270
1714599186,5cyclictest0-21swapper/120:28:421
17145991818,0cyclictest231ktimersoftd/123:59:541
1714599181,7cyclictest0-21swapper/119:43:501
17145991812,2cyclictest0-21swapper/123:33:541
1714599181,13cyclictest0-21swapper/120:36:271
17145991810,6cyclictest0-21swapper/120:04:381
17145991810,0cyclictest0-21swapper/122:08:381
1714499189,7cyclictest20635-21/usr/sbin/munin21:38:460
17144991811,0cyclictest23897-21runrttasks20:54:360
17144991810,0cyclictest0-21swapper/019:43:480
1714499180,4cyclictest0-21swapper/019:48:520
17145991710,3cyclictest0-21swapper/120:48:501
1714499176,7cyclictest0-21swapper/019:28:500
1714499172,9cyclictest1111-21runrttasks00:10:240
1714499172,7cyclictest20385-21munin-run21:38:330
17144991715,1cyclictest26879-21apache200:01:390
17144991710,3cyclictest0-21swapper/021:09:480
17144991710,3cyclictest0-21swapper/020:03:350
1714499170,3cyclictest0-21swapper/021:28:500
1714499170,3cyclictest0-21swapper/021:28:500
1205721710,0sleep00-21swapper/020:22:340
1714599164,6cyclictest23708-21/usr/sbin/munin19:23:511
17145991613,3cyclictest97750irq/106-eth1-rx19:48:371
17145991610,3cyclictest0-21swapper/119:17:061
17145991610,2cyclictest0-21swapper/119:58:451
1714499164,4cyclictest0-21swapper/019:18:450
1714499163,5cyclictest0-21swapper/020:08:500
1714499163,2cyclictest12794-21munin-run20:28:320
17144991610,3cyclictest0-21swapper/019:13:180
17144991610,0cyclictest0-21swapper/020:30:470
541521410,0sleep00-21swapper/019:59:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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