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2025-12-13 - 12:17
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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 Sat Dec 13, 2025 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1984726935,29sleep10-21swapper/119:05:031
2154926856,8sleep00-21swapper/019:09:280
21783993510,24cyclictest0-21swapper/119:18:501
21783992626,0cyclictest0-21swapper/120:07:471
21782992617,9cyclictest0-21swapper/023:59:270
21783992525,0cyclictest0-21swapper/121:06:581
2178399250,9cyclictest0-21swapper/120:10:121
2178299253,19cyclictest0-21swapper/019:53:430
21782992523,1cyclictest7-21ksoftirqd/022:40:000
21783992419,5cyclictest862-21apache220:48:181
21783992410,4cyclictest0-21swapper/121:35:121
21782992410,13cyclictest16470-21kworker/0:022:47:010
21782992410,13cyclictest16470-21kworker/0:000:15:530
21783992323,0cyclictest0-21swapper/120:25:151
21783992320,2cyclictest21780-21cyclictest19:31:181
21783992319,3cyclictest802-21apache220:39:061
21783992310,4cyclictest0-21swapper/122:35:211
21783992310,2cyclictest0-21swapper/123:43:461
21782992323,0cyclictest0-21swapper/021:00:270
21782992322,0cyclictest7-21ksoftirqd/000:25:010
21782992311,4cyclictest0-21swapper/021:05:170
21782992310,13cyclictest0-21swapper/020:15:490
21782992310,12cyclictest16470-21kworker/0:022:26:090
21783992221,0cyclictest0-21swapper/123:31:531
21783992210,4cyclictest0-21swapper/122:10:171
2178399220,21cyclictest0-21swapper/123:55:391
2178399220,1cyclictest16489-21seq00:31:281
2178299224,8cyclictest0-21swapper/019:40:170
21782992212,3cyclictest862-21apache222:01:240
2178299221,11cyclictest0-21swapper/020:50:150
2178399215,6cyclictest808-21apache223:15:081
2178399214,12cyclictest0-21swapper/120:30:161
21783992115,3cyclictest862-21apache223:14:181
21783992110,8cyclictest0-21swapper/119:24:131
21782992118,2cyclictest1199-21runrttasks23:30:100
21782992110,3cyclictest16470-21kworker/0:020:57:170
21782992110,2cyclictest0-21swapper/023:15:100
21782992110,10cyclictest16470-21kworker/0:019:21:130
2178399207,8cyclictest0-21swapper/120:15:171
21783992020,0cyclictest0-21swapper/120:50:381
21783992017,2cyclictest231ktimersoftd/100:06:181
21783992010,4cyclictest0-21swapper/122:50:081
21783992010,4cyclictest0-21swapper/122:05:201
21783992010,4cyclictest0-21swapper/120:40:131
21783992010,0cyclictest0-21swapper/121:30:141
2178399200,19cyclictest26328-21apache_accesses23:35:111
2178399200,10cyclictest0-21swapper/123:05:141
2178299205,6cyclictest0-21swapper/019:15:150
2178299204,7cyclictest0-21swapper/000:05:090
21782992018,1cyclictest7-21ksoftirqd/023:20:130
21782992010,6cyclictest0-21swapper/023:35:110
21782992010,6cyclictest0-21swapper/021:30:190
21782992010,5cyclictest0-21swapper/021:50:140
21782992010,5cyclictest0-21swapper/000:36:490
21782992010,4cyclictest0-21swapper/022:50:170
21782992010,4cyclictest0-21swapper/000:25:480
2178399196,10cyclictest1259-21kworker/1:223:21:231
2178399193,9cyclictest0-21swapper/122:55:091
2178399192,8cyclictest0-21swapper/122:30:151
21783991915,3cyclictest862-21apache200:22:031
21783991910,4cyclictest0-21swapper/122:40:081
21783991910,4cyclictest0-21swapper/119:10:191
2178299195,8cyclictest0-21swapper/020:05:110
2178299195,8cyclictest0-21swapper/019:30:140
2178299195,11cyclictest0-21swapper/021:40:120
2178299193,9cyclictest0-21swapper/020:45:100
2178299193,7cyclictest0-21swapper/000:10:090
2178299192,12cyclictest0-21swapper/020:20:180
21782991919,0cyclictest802-21apache222:31:010
21782991916,1cyclictest21780-21cyclictest22:12:420
21782991915,4cyclictest0-21swapper/023:46:030
2178299191,11cyclictest0-21swapper/019:10:120
21782991910,7cyclictest0-21swapper/019:25:190
21782991910,6cyclictest0-21swapper/019:45:190
21782991910,4cyclictest0-21swapper/020:15:010
1981521910,0sleep10-21swapper/121:51:141
650221810,0sleep10-21swapper/121:17:151
2178399184,9cyclictest0-21swapper/119:45:171
2178399183,10cyclictest0-21swapper/120:00:141
21783991811,4cyclictest744-21snmpd22:25:131
21783991810,6cyclictest0-21swapper/123:00:261
21783991810,5cyclictest0-21swapper/123:52:291
21783991810,4cyclictest0-21swapper/120:55:081
21783991810,3cyclictest0-21swapper/122:20:331
21783991810,3cyclictest0-21swapper/121:40:121
21783991810,1cyclictest0-21swapper/100:15:361
2178299187,5cyclictest0-21swapper/021:25:160
2178299184,8cyclictest0-21swapper/021:35:200
2178299184,10cyclictest0-21swapper/022:20:120
2178299184,10cyclictest0-21swapper/020:30:110
21782991810,4cyclictest0-21swapper/023:40:210
21782991810,4cyclictest0-21swapper/022:15:090
21782991810,4cyclictest0-21swapper/021:55:090
21782991810,3cyclictest0-21swapper/000:30:100
2178399173,10cyclictest0-21swapper/119:25:171
2178399172,10cyclictest0-21swapper/122:45:081
21783991717,0cyclictest0-21swapper/119:50:191
21783991712,2cyclictest0-21swapper/121:10:121
21783991711,2cyclictest0-21swapper/121:25:201
21783991710,4cyclictest0-21swapper/119:35:121
21783991710,3cyclictest0-21swapper/119:55:121
21783991710,2cyclictest0-21swapper/122:15:141
2178299176,6cyclictest0-21swapper/021:10:140
21782991710,3cyclictest0-21swapper/020:35:120
2178299170,9cyclictest0-21swapper/020:40:210
2178299170,6cyclictest0-21swapper/023:50:130
2178399164,8cyclictest0-21swapper/121:45:121
2178399164,5cyclictest0-21swapper/100:25:091
2178399164,10cyclictest967-21apache_processe19:40:121
21783991612,2cyclictest231ktimersoftd/123:25:201
21783991612,2cyclictest231ktimersoftd/100:00:141
21783991611,2cyclictest100150irq/106-eth1-rx21:58:171
2178399161,11cyclictest0-21swapper/122:00:091
21783991610,5cyclictest0-21swapper/121:20:151
2178299168,3cyclictest652-21nscd23:05:160
21782991615,1cyclictest0-21swapper/019:55:060
21782991610,6cyclictest0-21swapper/022:41:550
21782991610,5cyclictest0-21swapper/023:10:180
21782991610,4cyclictest0-21swapper/021:20:110
21782991610,4cyclictest0-21swapper/000:00:090
21782991610,2cyclictest0-21swapper/021:15:080
21782991610,1cyclictest0-21swapper/020:00:310
1429821610,2sleep00-21swapper/023:01:070
2178399154,9cyclictest0-21swapper/121:00:171
2178399153,8cyclictest100150irq/106-eth1-rx00:10:091
2178399151,8cyclictest0-21swapper/123:45:101
21783991510,3cyclictest100150irq/106-eth1-rx20:20:151
2178299154,4cyclictest862-21apache222:05:100
21782991510,2cyclictest0-21swapper/023:25:120
21782991510,1cyclictest0-21swapper/022:58:460
21782991510,0cyclictest0-21swapper/020:26:230
21783991410,4cyclictest0-21swapper/100:39:221
21782991411,2cyclictest16470-21kworker/0:019:35:370
1786821410,0sleep00-21swapper/021:45:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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