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2026-06-16 - 11:41
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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 16, 2026 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2563527260,8sleep00-21swapper/019:06:080
2579427158,8sleep10-21swapper/119:07:501
273782680,0sleep10-21swapper/121:33:571
26058993413,20cyclictest0-21swapper/121:11:101
26058993310,22cyclictest0-21swapper/120:45:141
26058993211,5cyclictest0-21swapper/121:47:581
26058993030,0cyclictest0-21swapper/122:13:281
26057993010,19cyclictest0-21swapper/021:03:570
26058992810,4cyclictest0-21swapper/100:10:151
26058992810,1cyclictest0-21swapper/122:06:561
26057992810,15cyclictest0-21swapper/023:59:320
26058992718,5cyclictest770-21irqbalance19:38:511
3072622614,1sleep10-21swapper/123:04:411
26058992610,2cyclictest0-21swapper/121:24:061
2605899260,1cyclictest0-21swapper/100:29:381
26058992522,2cyclictest28229-21apache223:18:171
26058992515,7cyclictest770-21irqbalance22:47:011
26058992511,7cyclictest24631-21kworker/u4:100:27:011
2605799258,2cyclictest18806-21awk23:33:400
26057992522,2cyclictest28229-21apache219:30:180
26057992511,4cyclictest0-21swapper/021:32:170
2605899249,15cyclictest0-21swapper/123:23:581
26058992424,0cyclictest0-21swapper/123:42:041
26058992418,3cyclictest10448-21diskmemload23:21:471
26058992410,5cyclictest0-21swapper/123:53:481
26058992410,3cyclictest0-21swapper/123:53:041
26058992410,10cyclictest0-21swapper/100:03:041
2605899240,23cyclictest1196-21sshd19:28:041
26057992410,6cyclictest0-21swapper/022:02:250
26057992410,4cyclictest0-21swapper/023:01:300
2605899236,12cyclictest0-21swapper/122:28:511
26058992323,0cyclictest0-21swapper/122:53:451
2605899230,2cyclictest0-21swapper/122:37:251
2605799234,8cyclictest0-21swapper/000:18:510
26057992321,2cyclictest744-21snmpd21:14:020
26057992310,2cyclictest0-21swapper/023:35:320
26057992310,0cyclictest20857-21kworker/u4:121:40:360
2605899224,11cyclictest0-21swapper/121:19:001
26058992220,1cyclictest28243-21apache221:39:521
26058992210,6cyclictest0-21swapper/119:18:511
2605899220,6cyclictest0-21swapper/123:48:201
2605899220,3cyclictest0-21swapper/100:21:481
2605899220,0cyclictest0-21swapper/122:58:571
26057992221,0cyclictest0-21swapper/022:48:080
26057992219,3cyclictest22700-21/usr/sbin/munin23:38:510
26057992218,0cyclictest0-21swapper/019:15:590
26057992211,7cyclictest1199-21runrttasks20:27:000
26057992210,4cyclictest0-21swapper/023:14:000
26057992210,4cyclictest0-21swapper/020:19:000
26057992210,1cyclictest0-21swapper/021:21:520
26057992210,0cyclictest0-21swapper/021:00:560
3185722110,0sleep00-21swapper/023:49:410
2605899215,10cyclictest0-21swapper/121:58:511
2605899212,12cyclictest0-21swapper/122:18:521
26058992112,3cyclictest0-21swapper/122:43:381
26058992110,5cyclictest0-21swapper/100:35:241
26058992110,4cyclictest0-21swapper/120:18:541
2605899210,4cyclictest0-21swapper/122:16:031
2605899210,17cyclictest0-21swapper/123:37:581
2605799218,6cyclictest0-21swapper/020:13:550
2605799218,5cyclictest100150irq/106-eth1-rx23:53:510
2605799214,12cyclictest0-21swapper/021:23:550
26057992110,6cyclictest0-21swapper/022:24:410
26057992110,6cyclictest0-21swapper/022:08:530
26057992110,5cyclictest0-21swapper/021:34:250
26057992110,5cyclictest0-21swapper/019:33:520
26057992110,5cyclictest0-21swapper/019:18:520
2605899206,10cyclictest0-21swapper/119:48:521
2605899205,6cyclictest7314-21diskmemload23:13:221
2605899203,8cyclictest0-21swapper/100:04:011
26058992016,3cyclictest28243-21apache221:17:231
26058992015,2cyclictest0-21swapper/120:28:511
26058992010,6cyclictest0-21swapper/120:43:411
26058992010,6cyclictest0-21swapper/119:13:561
26058992010,2cyclictest0-21swapper/121:30:211
2605899200,1cyclictest0-21swapper/122:28:061
2605799206,11cyclictest0-21swapper/020:38:520
2605799204,7cyclictest7314-21diskmemload00:28:510
26057992018,1cyclictest0-21swapper/020:08:580
26057992010,5cyclictest0-21swapper/000:04:320
26057992010,4cyclictest0-21swapper/019:53:520
2605799200,9cyclictest0-21swapper/021:54:000
2605799200,7cyclictest0-21swapper/022:29:110
2605799200,11cyclictest26216-21awk20:33:410
2945121910,0sleep00-21swapper/023:47:290
2605899192,9cyclictest0-21swapper/121:53:511
26058991914,3cyclictest28229-21apache222:49:591
26058991914,3cyclictest28229-21apache222:49:591
26058991911,4cyclictest0-21swapper/121:49:161
26058991910,4cyclictest0-21swapper/119:28:511
26058991910,0cyclictest0-21swapper/119:34:011
2605799195,10cyclictest0-21swapper/022:19:010
2605799193,11cyclictest0-21swapper/020:49:010
26057991919,0cyclictest0-21swapper/023:05:250
26057991919,0cyclictest0-21swapper/000:23:550
26057991918,0cyclictest28229-21apache200:09:280
26057991910,4cyclictest0-21swapper/022:54:000
26057991910,4cyclictest0-21swapper/021:44:120
26057991910,4cyclictest0-21swapper/019:38:550
26057991910,3cyclictest0-21swapper/022:52:430
26057991910,3cyclictest0-21swapper/022:52:430
2605799190,15cyclictest0-21swapper/000:17:270
2605799190,13cyclictest0-21swapper/022:39:010
1682221910,1sleep10-21swapper/123:29:151
2605899183,7cyclictest7314-21diskmemload00:18:181
26058991816,1cyclictest28229-21apache219:12:321
26058991811,2cyclictest0-21swapper/120:38:411
26058991810,3cyclictest0-21swapper/121:03:521
26058991810,3cyclictest0-21swapper/119:59:001
26058991810,3cyclictest0-21swapper/119:43:521
2605799187,7cyclictest0-21swapper/019:08:560
2605799186,4cyclictest24988-21ntp_states22:13:580
2605799184,7cyclictest0-21swapper/022:35:080
2605799182,9cyclictest0-21swapper/000:36:060
26057991812,4cyclictest100150irq/106-eth1-rx23:23:380
26057991810,3cyclictest0-21swapper/023:11:360
26057991810,2cyclictest0-21swapper/021:08:590
26057991810,1cyclictest0-21swapper/020:53:520
2605799180,17cyclictest0-21swapper/023:23:530
26058991711,4cyclictest17406-21ls20:08:581
26058991710,3cyclictest0-21swapper/120:53:521
26058991710,2cyclictest0-21swapper/120:58:511
2605799173,8cyclictest0-21swapper/019:43:580
2605799173,7cyclictest0-21swapper/022:08:410
2605799172,10cyclictest0-21swapper/020:43:570
26057991714,2cyclictest100450irq/109-eth1-tx21:50:190
26057991710,3cyclictest0-21swapper/019:23:530
2605899165,8cyclictest0-21swapper/120:08:391
2605899162,10cyclictest0-21swapper/119:53:551
26058991614,1cyclictest28229-21apache220:23:551
26058991610,2cyclictest0-21swapper/120:48:511
26057991610,4cyclictest0-21swapper/019:51:290
26057991610,3cyclictest27565-21grep20:34:030
2605899156,5cyclictest0-21swapper/120:13:541
2605799152,7cyclictest0-21swapper/020:03:540
26057991410,2cyclictest0-21swapper/019:58:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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