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2025-08-21 - 21:40
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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 all highest latencies:
System rackcslot2.osadl.org (updated Thu Aug 21, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1852127057,8sleep10-21swapper/107:05:591
1842727058,8sleep00-21swapper/007:05:000
1884099336,25cyclictest28765-21apache209:49:351
18840993129,1cyclictest24-21ksoftirqd/112:17:251
18839993110,20cyclictest0-21swapper/012:10:220
18839993110,20cyclictest0-21swapper/009:50:070
18839993010,12cyclictest0-21swapper/011:42:380
18840992928,1cyclictest0-21swapper/110:37:591
18839992929,0cyclictest0-21swapper/008:02:100
1884099280,0cyclictest0-21swapper/111:02:481
1884099280,0cyclictest0-21swapper/109:10:491
18839992828,0cyclictest0-21swapper/009:39:290
18839992826,0cyclictest0-21swapper/009:23:490
1883999280,0cyclictest0-21swapper/011:56:270
1884099270,25cyclictest0-21swapper/110:09:351
18839992710,7cyclictest0-21swapper/010:51:460
1884099268,16cyclictest0-21swapper/110:25:361
1884099260,22cyclictest20099-21ssh11:38:491
18839992625,0cyclictest0-21swapper/009:36:570
1883999260,25cyclictest0-21swapper/008:13:280
18840992510,10cyclictest722-21diskmemload11:36:141
18839992518,6cyclictest28765-21apache207:34:320
18839992514,11cyclictest0-21swapper/010:56:320
18839992510,14cyclictest0-21swapper/008:33:300
1883999250,24cyclictest0-21swapper/008:38:140
18840992423,1cyclictest231ktimersoftd/110:15:361
1884099242,21cyclictest0-21swapper/111:59:051
18840992415,3cyclictest722-21diskmemload09:42:451
18840992410,14cyclictest0-21swapper/109:35:051
1884099240,0cyclictest0-21swapper/108:45:041
1883999241,5cyclictest0-21swapper/012:04:500
1883999241,19cyclictest0-21swapper/011:08:020
18839992410,7cyclictest0-21swapper/012:32:130
18839992410,13cyclictest0-21swapper/010:11:420
18840992317,5cyclictest28737-21apache209:20:021
18840992310,4cyclictest0-21swapper/109:29:391
18840992310,11cyclictest0-21swapper/111:30:501
18839992319,1cyclictest817-21apache212:33:490
18839992317,5cyclictest28737-21apache211:16:110
18839992311,7cyclictest20073-21kworker/u4:110:26:550
1883999231,17cyclictest0-21swapper/011:02:260
1884099226,9cyclictest0-21swapper/110:57:381
1884099223,13cyclictest0-21swapper/110:02:391
1884099221,20cyclictest0-21swapper/109:53:341
18840992210,8cyclictest0-21swapper/107:57:481
1883999224,14cyclictest0-21swapper/008:27:450
1883999223,9cyclictest9271-21apache_processe10:42:370
1883999222,19cyclictest0-21swapper/009:11:240
18839992221,1cyclictest28765-21apache211:41:170
18839992221,1cyclictest28737-21apache211:23:330
18839992220,1cyclictest28765-21apache208:24:050
18839992216,4cyclictest8450-21apache207:28:260
18839992210,10cyclictest0-21swapper/011:29:280
277222110,0sleep10-21swapper/111:16:551
1884099213,13cyclictest0-21swapper/110:42:391
18840992115,6cyclictest0-21swapper/107:36:501
1884099211,19cyclictest0-21swapper/112:29:211
18840992110,7cyclictest0-21swapper/112:04:001
18840992110,5cyclictest0-21swapper/107:27:391
18840992110,4cyclictest0-21swapper/110:52:341
1883999213,15cyclictest0-21swapper/009:42:400
18839992117,3cyclictest32665-21ssh10:30:010
18839992113,7cyclictest97750irq/106-eth1-rx12:16:160
18839992110,7cyclictest0-21swapper/009:52:540
1884099206,11cyclictest0-21swapper/112:32:431
1884099202,11cyclictest0-21swapper/112:22:471
18840992019,1cyclictest0-21swapper/109:16:561
18840992018,1cyclictest28737-21apache210:50:191
18840992014,0cyclictest11943-21/usr/sbin/munin08:12:441
1884099201,1cyclictest0-21swapper/110:32:581
1884099201,16cyclictest0-21swapper/112:20:371
1884099201,14cyclictest0-21swapper/107:47:401
18840992010,6cyclictest0-21swapper/111:21:521
18840992010,6cyclictest0-21swapper/109:03:101
1883999206,9cyclictest0-21swapper/007:37:480
18839992020,0cyclictest81ktimersoftd/007:08:060
18839992019,1cyclictest722-21diskmemload12:26:030
1883999201,14cyclictest0-21swapper/007:20:510
18839992010,4cyclictest0-21swapper/007:42:400
1883999200,11cyclictest0-21swapper/010:32:430
1580122010,0sleep10-21swapper/109:26:331
199821910,0sleep10-21swapper/107:46:201
18840991912,4cyclictest28737-21apache208:51:061
18840991911,4cyclictest45-21kswapd011:47:391
18840991910,5cyclictest0-21swapper/109:59:111
18840991910,5cyclictest0-21swapper/109:37:481
18840991910,5cyclictest0-21swapper/108:32:551
18840991910,4cyclictest0-21swapper/108:52:491
18840991910,1cyclictest0-21swapper/110:18:051
1884099190,7cyclictest10909-21munin-run12:12:251
1883999194,14cyclictest0-21swapper/008:47:400
1883999194,10cyclictest0-21swapper/008:57:460
1883999193,13cyclictest0-21swapper/010:13:110
1435121910,0sleep00-21swapper/008:17:420
3101021810,0sleep10-21swapper/111:11:221
1884099185,11cyclictest0-21swapper/108:07:381
1884099182,13cyclictest0-21swapper/107:54:261
1884099181,6cyclictest0-21swapper/108:22:481
18840991816,1cyclictest28737-21apache210:30:391
18840991815,0cyclictest0-21swapper/111:42:371
18840991810,3cyclictest0-21swapper/108:17:371
18839991816,1cyclictest0-21swapper/012:18:560
18839991812,3cyclictest81ktimersoftd/011:18:160
18839991811,5cyclictest0-21swapper/009:19:160
18839991811,4cyclictest22645-21kworker/u4:010:04:180
18839991810,6cyclictest0-21swapper/009:57:450
18839991810,6cyclictest0-21swapper/008:42:380
18839991810,5cyclictest0-21swapper/011:50:480
18839991810,5cyclictest0-21swapper/009:27:260
18839991810,4cyclictest0-21swapper/008:02:310
18839991810,2cyclictest0-21swapper/010:40:370
1884099173,7cyclictest7792-21ntp_states11:22:471
1884099173,6cyclictest29556-21fschecks_time11:52:391
18840991713,1cyclictest8450-21apache207:17:001
18840991710,4cyclictest0-21swapper/108:27:401
18840991710,4cyclictest0-21swapper/108:07:211
18840991710,4cyclictest0-21swapper/107:11:201
1883999175,6cyclictest24698-21apache_accesses07:22:390
1883999174,5cyclictest1111-21runrttasks07:47:380
1883999174,5cyclictest0-21swapper/010:17:430
1883999174,4cyclictest0-21swapper/008:07:380
1883999172,11cyclictest0-21swapper/009:12:430
18839991710,7cyclictest0-21swapper/007:57:120
18839991710,4cyclictest0-21swapper/009:06:290
1883999170,7cyclictest0-21swapper/010:58:300
1884099165,6cyclictest0-21swapper/107:17:421
18840991610,4cyclictest0-21swapper/108:37:401
18840991610,2cyclictest0-21swapper/107:37:401
18840991610,0cyclictest0-21swapper/108:58:151
1883999162,1cyclictest1111-21runrttasks11:58:230
18839991610,4cyclictest0-21swapper/007:12:520
18839991610,3cyclictest0-21swapper/011:34:510
18840991510,4cyclictest5043-21kworker/1:207:22:441
18839991410,3cyclictest0-21swapper/008:54:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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