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2025-11-26 - 10:54
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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 100 highest latencies:
System rackcslot2.osadl.org (updated Wed Nov 26, 2025 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
124192770,0sleep00-21swapper/000:14:200
2479227057,8sleep10-21swapper/119:05:051
69672690,0sleep10-21swapper/121:51:261
2483126852,8sleep00-21swapper/019:05:280
202242630,0sleep10-21swapper/122:53:321
202242630,0sleep10-21swapper/122:53:321
25132993710,1cyclictest0-21swapper/100:32:081
25132993618,17cyclictest9380-21kworker/1:221:57:361
25132993410,17cyclictest0-21swapper/119:26:591
25132993130,1cyclictest0-21swapper/122:45:111
25131993029,1cyclictest0-21swapper/019:07:270
25131992927,1cyclictest0-21swapper/022:14:000
25131992910,0cyclictest0-21swapper/020:22:260
2513299278,18cyclictest9380-21kworker/1:222:09:481
25131992727,0cyclictest0-21swapper/023:12:280
25131992723,2cyclictest0-21swapper/021:22:570
2513299256,18cyclictest9380-21kworker/1:223:44:241
2513299250,24cyclictest3182-21kworker/u4:222:47:071
2513299250,23cyclictest24824-21ssh23:01:011
25131992525,0cyclictest0-21swapper/021:46:590
25131992519,4cyclictest17445-21apache221:12:510
25131992510,6cyclictest0-21swapper/000:07:010
25131992510,10cyclictest0-21swapper/022:47:300
25132992419,4cyclictest0-21swapper/121:07:281
2513299241,4cyclictest20519-21ssh21:25:131
2513299241,22cyclictest0-21swapper/121:33:241
25131992423,0cyclictest97850irq/107-eth1-rx21:31:520
2513199242,20cyclictest0-21swapper/022:24:430
25131992410,9cyclictest0-21swapper/023:51:560
25131992410,0cyclictest0-21swapper/021:17:110
25132992323,0cyclictest0-21swapper/100:13:171
25132992317,2cyclictest231ktimersoftd/123:57:191
2513299231,6cyclictest0-21swapper/100:18:511
25132992314,1cyclictest11511-21sort23:26:581
25132992310,5cyclictest0-21swapper/122:15:121
25132992310,5cyclictest0-21swapper/121:01:541
25132992310,1cyclictest0-21swapper/121:40:221
25131992320,2cyclictest9983-21ssh21:11:260
25131992318,3cyclictest17445-21apache220:35:040
25131992310,6cyclictest0-21swapper/022:29:440
25131992310,3cyclictest0-21swapper/021:41:560
25131992310,10cyclictest0-21swapper/021:28:190
25132992222,0cyclictest0-21swapper/121:54:451
25132992220,1cyclictest329-21cat19:26:441
25132992216,3cyclictest0-21swapper/121:11:561
25132992210,8cyclictest0-21swapper/119:36:441
25132992210,6cyclictest0-21swapper/100:22:011
25132992210,1cyclictest0-21swapper/123:49:381
2513299220,2cyclictest0-21swapper/123:35:471
2513199221,4cyclictest0-21swapper/022:17:170
25131992210,8cyclictest0-21swapper/023:18:430
25131992210,7cyclictest24586-21kworker/u4:122:37:040
25131992210,1cyclictest0-21swapper/021:53:440
25131992210,0cyclictest0-21swapper/023:29:350
2513299212,18cyclictest9380-21kworker/1:220:39:051
25132992121,0cyclictest4244-21wget22:31:581
25132992119,2cyclictest17419-21apache221:18:361
25132992116,4cyclictest17419-21apache222:26:151
2513299211,11cyclictest0-21swapper/123:20:221
25131992121,0cyclictest817-21apache222:04:060
2513199211,8cyclictest0-21swapper/022:58:520
25131992112,5cyclictest10015-21seq23:24:540
25131992110,8cyclictest0-21swapper/019:32:020
25131992110,6cyclictest0-21swapper/000:33:150
25131992110,4cyclictest0-21swapper/023:31:570
25131992110,3cyclictest0-21swapper/021:36:460
25131992110,10cyclictest0-21swapper/023:41:590
2706122010,0sleep00-21swapper/023:02:570
2513299209,10cyclictest9380-21kworker/1:222:19:121
2513299204,10cyclictest0-21swapper/119:06:581
2513299202,8cyclictest0-21swapper/119:57:051
2513299202,17cyclictest0-21swapper/123:07:591
25132992019,1cyclictest17419-21apache223:41:001
25132992015,3cyclictest598-21lldpd20:57:451
25132992010,6cyclictest0-21swapper/120:12:011
25132992010,4cyclictest0-21swapper/120:31:581
25132992010,4cyclictest0-21swapper/119:51:561
2513299200,8cyclictest7698-21ssh22:36:581
2513199203,6cyclictest6920-21munin-plugin-st00:06:440
25131992016,3cyclictest17419-21apache223:47:110
25131992010,8cyclictest0-21swapper/022:41:540
25131992010,6cyclictest0-21swapper/020:48:500
25131992010,4cyclictest0-21swapper/020:18:290
25131992010,1cyclictest0-21swapper/023:58:350
25131992010,0cyclictest0-21swapper/021:01:570
25131992010,0cyclictest0-21swapper/000:29:350
2513299195,6cyclictest0-21swapper/100:27:271
2513299193,10cyclictest0-21swapper/123:02:061
2513299192,4cyclictest0-21swapper/120:46:571
25132991917,1cyclictest13879-21/usr/sbin/munin20:01:561
25132991911,2cyclictest0-21swapper/119:46:551
25132991910,2cyclictest0-21swapper/120:41:581
25132991910,0cyclictest0-21swapper/119:16:451
2513199196,7cyclictest0-21swapper/019:11:530
2513199196,7cyclictest0-21swapper/019:11:530
25131991913,3cyclictest817-21apache222:31:520
25131991910,5cyclictest0-21swapper/019:47:030
25131991910,3cyclictest0-21swapper/000:23:390
25131991910,1cyclictest0-21swapper/023:37:580
25131991910,1cyclictest0-21swapper/022:08:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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