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2026-06-24 - 22:58
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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 376 highest latencies:
System rackcslot2.osadl.org (updated Wed Jun 24, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2810327058,7sleep10-21swapper/107:05:241
2825326957,8sleep00-21swapper/007:06:580
11012680,0sleep00-21swapper/010:23:300
241972640,0sleep10-21swapper/108:18:531
28591993010,0cyclictest0-21swapper/110:16:161
28590993029,1cyclictest0-21swapper/008:04:100
28591992810,16cyclictest0-21swapper/112:35:271
28590992828,0cyclictest0-21swapper/012:34:460
2859199260,23cyclictest11988-21kworker/u4:009:25:441
28590992613,5cyclictest0-21swapper/007:18:550
28590992610,9cyclictest0-21swapper/008:08:470
28590992610,11cyclictest0-21swapper/011:13:560
28591992510,2cyclictest0-21swapper/111:05:541
28590992510,4cyclictest0-21swapper/009:28:540
28590992510,0cyclictest0-21swapper/009:45:080
2859199242,4cyclictest0-21swapper/111:53:141
28591992417,5cyclictest6054-21apache209:32:291
28591992416,6cyclictest128432chrt12:07:091
2859199241,20cyclictest19560-21kworker/u4:112:16:181
28591992410,9cyclictest0-21swapper/112:25:281
28591992410,9cyclictest0-21swapper/107:38:161
28591992410,7cyclictest0-21swapper/111:13:381
28591992410,13cyclictest0-21swapper/111:58:511
28590992424,0cyclictest0-21swapper/008:20:120
28590992423,0cyclictest0-21swapper/010:26:360
28590992414,4cyclictest0-21swapper/011:35:470
2859099240,8cyclictest0-21swapper/008:23:540
28591992316,5cyclictest744-21snmpd11:58:171
28591992316,4cyclictest611-21systemd-logind10:23:011
28591992310,2cyclictest0-21swapper/109:13:201
28590992319,3cyclictest6054-21apache212:16:040
28590992310,9cyclictest0-21swapper/011:20:520
28590992310,6cyclictest0-21swapper/012:32:200
28590992310,6cyclictest0-21swapper/011:41:090
2859199223,11cyclictest0-21swapper/109:18:551
2859199223,10cyclictest0-21swapper/112:08:471
28591992222,0cyclictest0-21swapper/108:55:331
28591992216,5cyclictest29942-21ssh12:29:291
28591992210,5cyclictest0-21swapper/107:48:461
2859199220,9cyclictest0-21swapper/108:33:501
28590992217,4cyclictest802-21apache212:09:560
28590992217,4cyclictest6029-21apache210:48:460
28590992210,6cyclictest0-21swapper/009:18:370
28590992210,0cyclictest0-21swapper/010:58:560
28590992210,0cyclictest0-21swapper/009:18:570
1595422210,0sleep10-21swapper/110:43:331
374022110,0sleep00-21swapper/011:53:550
2859199211,4cyclictest0-21swapper/110:06:351
2859199211,16cyclictest0-21swapper/110:48:561
28591992110,4cyclictest0-21swapper/112:18:471
2859099216,10cyclictest29544-21df_inode09:33:500
2859099214,11cyclictest0-21swapper/007:33:510
28590992121,0cyclictest7-21ksoftirqd/009:04:180
28590992120,0cyclictest0-21swapper/011:44:180
28590992120,0cyclictest0-21swapper/011:08:040
28590992115,5cyclictest6054-21apache209:52:310
28590992114,5cyclictest6029-21apache210:13:100
28590992111,8cyclictest10096-21diskmemload11:48:480
28590992110,9cyclictest0-21swapper/010:03:560
28590992110,5cyclictest0-21swapper/008:53:460
28590992110,4cyclictest0-21swapper/008:13:500
2859099210,9cyclictest0-21swapper/012:23:550
28591992016,1cyclictest9919-21diskmemload09:50:001
28591992012,5cyclictest23423-21kworker/u4:010:36:381
28591992012,2cyclictest0-21swapper/111:34:351
28591992010,6cyclictest0-21swapper/110:27:391
28591992010,4cyclictest0-21swapper/108:38:531
28591992010,2cyclictest0-21swapper/109:14:041
28591992010,1cyclictest0-21swapper/109:47:331
2859199200,19cyclictest0-21swapper/109:42:291
2859099206,7cyclictest0-21swapper/008:28:560
28590992020,0cyclictest0-21swapper/007:25:340
28590992017,2cyclictest7-21ksoftirqd/011:10:530
28590992016,2cyclictest23423-21kworker/u4:010:33:410
28590992015,4cyclictest0-21swapper/010:47:350
28590992010,5cyclictest0-21swapper/012:04:500
28590992010,4cyclictest0-21swapper/011:27:550
28590992010,4cyclictest0-21swapper/009:08:510
28590992010,3cyclictest0-21swapper/010:55:210
28590992010,3cyclictest0-21swapper/010:18:360
28590992010,0cyclictest0-21swapper/010:32:040
28590992010,0cyclictest0-21swapper/009:55:530
2859199196,10cyclictest0-21swapper/107:23:521
28591991917,1cyclictest6029-21apache208:33:271
28591991916,2cyclictest0-21swapper/109:58:551
28591991912,0cyclictest14866-21kworker/u4:011:30:581
28591991911,5cyclictest13447-21sh11:23:471
28591991910,7cyclictest0-21swapper/111:10:001
28591991910,4cyclictest0-21swapper/111:18:491
28591991910,4cyclictest0-21swapper/110:59:061
28591991910,4cyclictest0-21swapper/108:23:491
28591991910,3cyclictest0-21swapper/108:43:471
28590991918,0cyclictest7-21ksoftirqd/008:43:360
2859099191,7cyclictest0-21swapper/008:58:450
28590991912,6cyclictest100250irq/107-eth1-rx07:58:560
2859099191,17cyclictest0-21swapper/007:13:510
28590991910,5cyclictest0-21swapper/007:43:460
28590991910,4cyclictest0-21swapper/010:38:490
28590991910,2cyclictest0-21swapper/011:58:470
28590991910,2cyclictest0-21swapper/010:02:190
28590991910,1cyclictest0-21swapper/009:24:150
2859199187,8cyclictest319-21rpcbind07:57:271
2859199187,7cyclictest10096-21diskmemload11:39:421
2859199184,10cyclictest0-21swapper/107:13:491
28591991817,1cyclictest6054-21apache208:13:201
2859199181,10cyclictest0-21swapper/107:43:531
28591991810,5cyclictest0-21swapper/109:57:471
28591991810,5cyclictest0-21swapper/109:33:591
28591991810,3cyclictest0-21swapper/110:47:371
28591991810,3cyclictest0-21swapper/107:38:491
28591991810,2cyclictest0-21swapper/110:28:361
28590991817,0cyclictest7-21ksoftirqd/009:38:520
28590991812,3cyclictest20101-21apache207:13:220
28590991810,4cyclictest0-21swapper/008:43:490
28590991810,3cyclictest0-21swapper/007:38:550
2859099180,8cyclictest6054-21apache208:33:490
2527121810,0sleep10-21swapper/110:11:561
2859199173,7cyclictest0-21swapper/111:43:461
2859199173,11cyclictest0-21swapper/109:03:581
28591991716,1cyclictest28588-21cyclictest10:55:221
28591991710,5cyclictest0-21swapper/107:09:021
28591991710,4cyclictest0-21swapper/108:03:511
28590991711,4cyclictest6029-21apache211:32:010
28590991710,4cyclictest0-21swapper/007:56:430
2859199163,5cyclictest0-21swapper/107:58:511
28591991615,1cyclictest11699-21munin-node08:49:181
28591991610,2cyclictest0-21swapper/108:13:521
28591991610,2cyclictest0-21swapper/107:28:561
2859099166,6cyclictest0-21swapper/007:48:460
28590991611,1cyclictest0-21swapper/012:18:470
32962153,2sleep02525-21/usr/sbin/munin08:48:540
28591991510,3cyclictest0-21swapper/107:23:371
2859199140,6cyclictest0-21swapper/108:58:561
2859099141,6cyclictest0-21swapper/007:28:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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