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2026-07-30 - 15:35
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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 Thu Jul 30, 2026 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
320932720,0sleep00-21swapper/019:53:360
1355326958,7sleep00-21swapper/019:07:380
1355326958,7sleep00-21swapper/019:07:380
1319026855,8sleep10-21swapper/119:03:501
1319026855,8sleep10-21swapper/119:03:501
68772650,2sleep11380099cyclictest22:05:261
13800993010,18cyclictest0-21swapper/123:57:361
13800992910,14cyclictest0-21swapper/122:49:001
1379999285,22cyclictest0-21swapper/021:19:080
13799992828,0cyclictest0-21swapper/021:17:090
1379999280,2cyclictest0-21swapper/023:14:460
13800992727,0cyclictest0-21swapper/121:23:351
13800992626,0cyclictest0-21swapper/121:43:121
13800992621,4cyclictest951-21apache223:32:391
13800992612,8cyclictest100150irq/106-eth1-rx00:26:281
13800992610,5cyclictest0-21swapper/122:25:261
13800992610,15cyclictest0-21swapper/119:45:331
13800992610,0cyclictest0-21swapper/122:42:191
13799992610,7cyclictest0-21swapper/022:39:350
1380099251,2cyclictest0-21swapper/122:22:381
13800992510,10cyclictest0-21swapper/121:28:191
1380099250,22cyclictest0-21swapper/120:34:131
1379999252,3cyclictest0-21swapper/022:32:310
13799992510,8cyclictest0-21swapper/021:39:540
13800992422,1cyclictest636-21nscd00:18:331
1380099241,22cyclictest0-21swapper/120:51:551
1379999244,11cyclictest0-21swapper/019:38:320
13799992419,3cyclictest7-21ksoftirqd/019:48:370
13799992412,2cyclictest7-21ksoftirqd/000:03:180
1379999240,3cyclictest0-21swapper/022:59:340
1380099234,10cyclictest21909-21ssh21:43:291
13800992323,0cyclictest0-21swapper/123:52:141
13800992319,3cyclictest0-21swapper/123:11:061
13800992310,6cyclictest0-21swapper/123:03:391
1380099230,21cyclictest0-21swapper/123:21:231
1379999235,10cyclictest0-21swapper/000:26:010
13799992321,1cyclictest7-21ksoftirqd/021:08:130
13799992310,6cyclictest0-21swapper/022:15:370
13799992310,4cyclictest0-21swapper/023:53:360
1380099223,11cyclictest0-21swapper/100:33:381
13800992210,9cyclictest0-21swapper/120:15:321
13800992210,6cyclictest0-21swapper/121:09:561
13800992210,5cyclictest0-21swapper/123:13:271
1379999227,7cyclictest0-21swapper/021:08:390
1379999227,10cyclictest0-21swapper/020:58:340
1379999227,10cyclictest0-21swapper/020:58:340
1379999223,11cyclictest0-21swapper/019:28:390
13799992220,1cyclictest7-21ksoftirqd/000:33:400
13799992215,4cyclictest15916-21/usr/sbin/munin22:18:340
1379999221,2cyclictest91rcu_preempt21:30:110
250322110,0sleep10-21swapper/121:59:061
1380099212,18cyclictest4122-21ssh00:13:331
13800992116,3cyclictest0-21swapper/122:34:131
13800992111,5cyclictest0-21swapper/119:28:381
13800992110,5cyclictest0-21swapper/122:08:361
13800992110,11cyclictest0-21swapper/123:26:151
1380099210,19cyclictest0-21swapper/121:54:471
1379999214,9cyclictest0-21swapper/020:53:340
13799992121,0cyclictest7-21ksoftirqd/023:58:320
13799992120,1cyclictest7-21ksoftirqd/023:45:450
13799992120,1cyclictest7-21ksoftirqd/019:28:170
13799992120,1cyclictest636-21nscd00:33:000
13799992120,0cyclictest7-21ksoftirqd/023:51:110
13799992120,0cyclictest7-21ksoftirqd/023:33:390
13799992115,5cyclictest802-21apache200:09:340
1379999211,4cyclictest0-21swapper/022:04:130
13799992114,1cyclictest0-21swapper/020:08:370
13799992111,5cyclictest0-21swapper/021:53:320
13799992110,8cyclictest0-21swapper/023:06:340
13799992110,5cyclictest0-21swapper/022:44:480
1380099204,6cyclictest0-21swapper/122:43:351
13800992015,2cyclictest0-21swapper/123:39:391
13800992011,3cyclictest27362-21diskmemload22:57:531
13800992010,5cyclictest0-21swapper/120:18:361
13800992010,3cyclictest0-21swapper/100:28:301
1379999202,17cyclictest6488-21fschecks_time22:48:300
13799992018,1cyclictest7-21ksoftirqd/023:30:300
13799992018,1cyclictest7-21ksoftirqd/020:45:060
13799992017,1cyclictest7-21ksoftirqd/021:48:280
13799992015,4cyclictest7-21ksoftirqd/022:25:560
13799992014,3cyclictest7-21ksoftirqd/023:23:320
13799992010,8cyclictest0-21swapper/022:54:400
1379999200,6cyclictest0-21swapper/020:03:340
2514421910,1sleep10-21swapper/121:00:181
2514421910,1sleep10-21swapper/121:00:181
1380099198,10cyclictest0-21swapper/122:28:281
1380099195,7cyclictest773-21sshd00:10:021
1380099195,3cyclictest27362-21diskmemload21:13:291
1380099193,13cyclictest0-21swapper/120:38:321
13800991919,0cyclictest0-21swapper/121:34:011
13800991913,5cyclictest100150irq/106-eth1-rx21:49:111
13800991911,2cyclictest100250irq/107-eth1-rx23:43:561
13800991910,4cyclictest0-21swapper/120:48:171
13800991910,3cyclictest0-21swapper/122:13:291
1379999194,8cyclictest0-21swapper/020:13:370
13799991918,1cyclictest7-21ksoftirqd/023:18:380
13799991918,1cyclictest24479-21snmpd20:23:440
13799991917,1cyclictest0-21swapper/000:16:230
1379999191,14cyclictest0-21swapper/023:10:490
1379999191,10cyclictest0-21swapper/022:33:310
13799991910,5cyclictest0-21swapper/000:22:020
13799991910,4cyclictest0-21swapper/020:28:280
13799991910,3cyclictest0-21swapper/023:39:070
13799991910,3cyclictest0-21swapper/019:13:190
13799991910,2cyclictest0-21swapper/021:24:350
1380099183,9cyclictest0-21swapper/119:09:021
1380099181,10cyclictest14499-21ssh22:58:391
13800991810,6cyclictest0-21swapper/121:20:321
13800991810,4cyclictest0-21swapper/123:33:291
13800991810,3cyclictest0-21swapper/119:13:351
13800991810,3cyclictest0-21swapper/100:03:111
1379999182,9cyclictest0-21swapper/019:18:370
1379999182,8cyclictest0-21swapper/020:18:290
13799991817,0cyclictest7-21ksoftirqd/019:58:310
13799991816,1cyclictest636-21nscd22:00:580
13799991813,4cyclictest968-21apache221:33:230
13799991812,2cyclictest7-21ksoftirqd/021:43:360
13799991810,4cyclictest0-21swapper/022:08:280
1379999180,5cyclictest91rcu_preempt20:43:170
1157721810,0sleep10-21swapper/120:23:511
1530821710,1sleep00-21swapper/019:10:410
1380099172,9cyclictest0-21swapper/119:58:321
13800991710,3cyclictest0-21swapper/120:28:291
13800991710,3cyclictest0-21swapper/120:03:291
13800991710,3cyclictest0-21swapper/100:03:451
13800991710,2cyclictest0-21swapper/120:08:311
13800991710,2cyclictest0-21swapper/119:23:281
13800991710,0cyclictest0-21swapper/119:53:001
13799991711,2cyclictest0-21swapper/020:33:390
13799991711,2cyclictest0-21swapper/019:43:320
2705221610,0sleep10-21swapper/121:05:171
1380099165,9cyclictest0-21swapper/119:33:301
1380099162,12cyclictest0-21swapper/120:53:331
1380099153,11cyclictest0-21swapper/119:38:371
13799991510,3cyclictest0-21swapper/020:48:290
13800991414,0cyclictest0-21swapper/119:53:291
13800991410,3cyclictest0-21swapper/119:19:191
13799991410,2cyclictest0-21swapper/019:36:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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