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2026-06-30 - 16:34
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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 Tue Jun 30, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
662327953,22sleep10-21swapper/107:07:521
626526453,7sleep00-21swapper/007:04:080
274672440,1sleep0687099cyclictest10:43:560
82662360,1sleep00-21swapper/009:33:500
6871992929,0cyclictest0-21swapper/108:38:181
6871992910,18cyclictest0-21swapper/109:42:101
687099290,26cyclictest0-21swapper/009:24:390
6871992810,16cyclictest0-21swapper/111:05:441
687099280,27cyclictest4713-21python09:28:520
687199270,23cyclictest16773-21kworker/1:009:19:501
6870992726,0cyclictest0-21swapper/012:29:370
6870992718,8cyclictest16772-21apache212:20:320
6871992626,0cyclictest0-21swapper/107:47:431
687199260,3cyclictest0-21swapper/111:34:021
687099266,19cyclictest0-21swapper/009:46:580
6870992619,2cyclictest0-21swapper/012:04:210
687099261,24cyclictest20793-21diskmemload11:43:560
6870992610,12cyclictest23241-21grep09:53:540
6871992510,2cyclictest0-21swapper/109:52:251
687199250,0cyclictest0-21swapper/108:11:401
6870992523,1cyclictest0-21swapper/011:06:240
6870992510,6cyclictest0-21swapper/010:13:540
6871992424,0cyclictest0-21swapper/110:02:071
6871992412,7cyclictest10637-21idleruntime-cro07:18:331
6871992411,11cyclictest0-21swapper/110:43:351
687199240,21cyclictest16773-21kworker/1:011:30:101
687199240,20cyclictest16773-21kworker/1:009:54:141
687099242,15cyclictest0-21swapper/010:32:010
6870992420,3cyclictest32054-1kworker/u5:011:40:220
6870992417,5cyclictest16751-21apache211:36:250
6870992417,2cyclictest27307-21rm09:16:010
687099241,22cyclictest0-21swapper/007:23:330
6870992410,7cyclictest0-21swapper/009:18:480
6870992410,5cyclictest0-21swapper/011:13:440
687099240,24cyclictest0-21swapper/007:50:580
6871992310,11cyclictest0-21swapper/110:58:211
6871992310,0cyclictest0-21swapper/109:24:381
6870992315,3cyclictest19658-21ntpq10:33:490
6870992312,4cyclictest16772-21apache209:52:210
6870992310,1cyclictest0-21swapper/012:10:490
6871992216,2cyclictest0-21swapper/108:13:531
6871992210,9cyclictest16773-21kworker/1:009:09:441
6871992210,6cyclictest0-21swapper/111:47:591
6871992210,5cyclictest0-21swapper/112:20:001
687199220,14cyclictest0-21swapper/108:03:461
6870992211,6cyclictest100250irq/107-eth1-rx10:00:070
6870992210,9cyclictest0-21swapper/011:48:450
6870992210,7cyclictest0-21swapper/010:10:460
6870992210,6cyclictest0-21swapper/011:26:540
6870992210,2cyclictest0-21swapper/007:28:450
6870992210,0cyclictest0-21swapper/010:54:540
687099220,9cyclictest11570-21/usr/sbin/munin10:23:460
687199215,11cyclictest0-21swapper/110:28:431
687199214,9cyclictest0-21swapper/108:43:451
687199213,8cyclictest0-21swapper/109:03:571
687199212,7cyclictest0-21swapper/112:23:491
6871992116,3cyclictest16751-21apache210:41:471
6871992110,7cyclictest100150irq/106-eth1-rx10:50:071
6871992110,5cyclictest0-21swapper/111:00:491
6871992110,5cyclictest0-21swapper/107:28:501
6871992110,3cyclictest0-21swapper/109:17:181
6871992110,0cyclictest0-21swapper/112:18:231
687199210,14cyclictest0-21swapper/107:38:501
687199210,11cyclictest0-21swapper/111:18:501
687099213,9cyclictest0-21swapper/008:23:480
6870992121,0cyclictest0-21swapper/007:11:080
6870992120,0cyclictest7-21ksoftirqd/008:53:550
6870992115,4cyclictest16772-21apache211:53:420
6870992115,3cyclictest10202-21open_inodes08:38:500
6870992111,5cyclictest8864-21/usr/sbin/munin07:13:500
6870992110,4cyclictest0-21swapper/010:58:540
687099210,13cyclictest1564-21munin-run08:18:320
687199207,8cyclictest0-21swapper/108:48:501
687199204,9cyclictest0-21swapper/108:18:451
6871992018,1cyclictest0-21swapper/112:33:221
6871992017,2cyclictest100150irq/106-eth1-rx10:18:321
6871992014,5cyclictest16772-21apache212:33:351
6871992014,5cyclictest16772-21apache207:48:331
6871992011,5cyclictest16772-21apache211:16:181
6871992011,3cyclictest0-21swapper/111:26:271
6871992010,7cyclictest0-21swapper/112:08:501
6871992010,5cyclictest0-21swapper/108:38:431
6871992010,4cyclictest0-21swapper/109:43:341
687199200,19cyclictest3470-21chrt10:12:341
687099205,7cyclictest9876-21ls12:33:490
687099205,11cyclictest0-21swapper/009:41:560
687099204,11cyclictest19827-21/usr/sbin/munin11:18:480
6870992019,1cyclictest100150irq/106-eth1-rx10:05:040
6870992014,5cyclictest81ktimersoftd/010:38:540
687099201,14cyclictest0-21swapper/011:28:500
6870992010,4cyclictest0-21swapper/008:23:320
6870992010,3cyclictest0-21swapper/011:09:220
6870992010,1cyclictest0-21swapper/012:14:410
1098822010,0sleep10-21swapper/111:51:121
687199195,9cyclictest0-21swapper/110:03:431
687199192,5cyclictest0-21swapper/112:03:501
6871991911,3cyclictest0-21swapper/111:58:171
6871991910,4cyclictest0-21swapper/112:03:081
6871991910,3cyclictest0-21swapper/109:32:001
6871991910,3cyclictest0-21swapper/107:08:521
687099194,8cyclictest0-21swapper/007:33:500
6870991912,2cyclictest100250irq/107-eth1-rx10:49:070
6870991910,6cyclictest0-21swapper/010:22:250
6870991910,5cyclictest0-21swapper/007:56:230
6870991910,3cyclictest0-21swapper/007:58:440
6870991910,2cyclictest0-21swapper/011:58:410
312321910,0sleep10-21swapper/111:39:401
687199182,10cyclictest0-21swapper/109:34:261
6871991814,4cyclictest231ktimersoftd/107:36:071
6871991810,5cyclictest0-21swapper/107:26:051
6871991810,4cyclictest100250irq/107-eth1-rx11:08:371
6871991810,1cyclictest0-21swapper/110:25:581
687099183,8cyclictest0-21swapper/008:48:450
687099182,7cyclictest0-21swapper/012:23:440
6870991810,4cyclictest0-21swapper/009:08:490
6870991810,4cyclictest0-21swapper/008:28:490
687199176,2cyclictest0-21swapper/110:20:061
687199172,8cyclictest0-21swapper/107:53:441
687199172,14cyclictest0-21swapper/110:33:511
6871991710,4cyclictest0-21swapper/107:58:441
687099172,6cyclictest0-21swapper/009:03:460
6870991712,3cyclictest0-21swapper/007:38:450
6870991710,4cyclictest0-21swapper/008:58:500
6870991710,3cyclictest0-21swapper/007:43:530
687199161,9cyclictest0-21swapper/108:58:441
6871991610,4cyclictest0-21swapper/108:28:501
6871991610,3cyclictest3635-21/usr/sbin/munin08:23:511
6871991610,3cyclictest0-21swapper/108:53:451
687099163,6cyclictest0-21swapper/007:23:470
6870991610,3cyclictest0-21swapper/008:33:450
6870991610,3cyclictest0-21swapper/008:08:450
6870991610,1cyclictest0-21swapper/008:08:030
6871991510,1cyclictest0-21swapper/107:21:341
687099153,3cyclictest0-21swapper/008:43:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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