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2026-01-02 - 06:55
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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 Fri Jan 02, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
755127555,15sleep00-21swapper/019:06:130
171982730,2sleep0808799cyclictest23:05:090
775727057,9sleep10-21swapper/119:08:211
27822670,0sleep10-21swapper/122:05:171
16692650,0sleep10-21swapper/122:45:091
161422630,1sleep10-21swapper/121:41:431
8087993636,0cyclictest0-21swapper/020:20:210
808799301,28cyclictest28435-21kworker/0:123:26:540
808799300,29cyclictest4081-21kworker/0:221:16:200
8087992929,0cyclictest0-21swapper/022:04:150
8088992827,1cyclictest24-21ksoftirqd/100:07:211
8088992719,7cyclictest27625-21apache222:04:221
8088992710,12cyclictest0-21swapper/100:30:121
808799270,25cyclictest6734-21kworker/0:100:23:480
808899264,3cyclictest91rcu_preempt20:25:081
8088992626,0cyclictest0-21swapper/120:34:461
8088992623,3cyclictest27625-21apache222:19:351
8088992622,3cyclictest24-21ksoftirqd/122:26:031
808899261,2cyclictest0-21swapper/121:33:431
8088992610,9cyclictest0-21swapper/120:50:131
8088992610,8cyclictest0-21swapper/122:56:441
8087992622,3cyclictest27625-21apache221:43:040
808899255,5cyclictest91rcu_preempt21:45:111
8088992523,1cyclictest24-21ksoftirqd/123:55:151
8088992523,1cyclictest24-21ksoftirqd/123:52:271
8088992523,1cyclictest24-21ksoftirqd/100:19:521
8088992510,9cyclictest0-21swapper/121:00:131
808799252,22cyclictest20237-21ntp_states00:30:130
8087992521,1cyclictest0-21swapper/000:03:290
808899245,4cyclictest91rcu_preempt00:39:041
8088992418,4cyclictest27594-21apache223:02:221
808799242,21cyclictest6734-21kworker/0:100:14:280
808799242,18cyclictest18063-21kworker/0:119:24:520
8087992421,3cyclictest27594-21apache219:14:590
8087992418,6cyclictest27625-21apache222:49:520
808899236,12cyclictest0-21swapper/100:10:101
808899234,1cyclictest91rcu_preempt21:18:521
8088992322,1cyclictest27625-21apache220:45:131
8088992320,2cyclictest27625-21apache219:15:331
8088992320,2cyclictest24-21ksoftirqd/123:15:081
8088992315,4cyclictest636-21nscd22:41:561
8088992310,5cyclictest0-21swapper/123:09:491
808899230,12cyclictest0-21swapper/119:57:331
808899229,4cyclictest91rcu_preempt23:26:491
8088992222,0cyclictest24-21ksoftirqd/121:36:221
8088992220,1cyclictest24-21ksoftirqd/123:20:131
8088992220,1cyclictest24-21ksoftirqd/121:53:441
8088992220,1cyclictest24-21ksoftirqd/100:25:101
8088992220,1cyclictest0-21swapper/122:31:041
8088992217,5cyclictest27625-21apache221:13:431
808899221,2cyclictest91rcu_preempt00:00:021
8088992211,3cyclictest100350irq/108-eth1-tx00:23:451
8088992210,9cyclictest0-21swapper/123:12:441
8088992210,4cyclictest0-21swapper/123:45:051
8088992210,4cyclictest0-21swapper/122:13:021
808899220,2cyclictest91rcu_preempt22:51:301
808799226,12cyclictest0-21swapper/022:21:200
808799223,13cyclictest0-21swapper/022:30:490
8087992222,0cyclictest0-21swapper/023:20:500
808799221,20cyclictest4081-21kworker/0:220:56:020
8087992210,8cyclictest0-21swapper/019:55:090
8087992210,4cyclictest0-21swapper/021:00:170
8087992210,3cyclictest0-21swapper/022:54:580
8087992210,11cyclictest0-21swapper/021:32:390
808899213,15cyclictest91rcu_preempt23:38:051
8088992119,1cyclictest24-21ksoftirqd/120:20:121
8088992118,2cyclictest18477-21ntpdc19:35:121
808899211,5cyclictest91rcu_preempt21:28:361
8088992110,2cyclictest0-21swapper/123:30:081
8088992110,10cyclictest0-21swapper/122:21:111
808899210,11cyclictest0-21swapper/120:10:051
808799216,8cyclictest0-21swapper/019:10:070
808799216,6cyclictest0-21swapper/020:35:080
808799215,10cyclictest0-21swapper/022:15:060
808799214,5cyclictest30994-21if_err_eth121:20:070
8087992117,3cyclictest802-21apache200:05:500
8087992116,1cyclictest0-21swapper/000:35:060
8087992113,4cyclictest6434-21sh23:31:220
8087992110,4cyclictest0-21swapper/023:57:400
808799210,12cyclictest0-21swapper/000:25:050
808899203,10cyclictest0-21swapper/120:40:061
8088992013,3cyclictest24-21ksoftirqd/123:40:071
8088992010,4cyclictest0-21swapper/122:37:581
8088992010,4cyclictest0-21swapper/120:37:331
8088992010,3cyclictest0-21swapper/120:05:051
808899200,4cyclictest91rcu_preempt21:05:061
808799202,18cyclictest12977-21kworker/0:121:54:380
8087992016,2cyclictest27625-21apache221:14:000
8087992015,4cyclictest27594-21apache221:56:360
8087992013,4cyclictest0-21swapper/021:39:280
8087992012,4cyclictest0-21swapper/021:28:040
8087992010,3cyclictest0-21swapper/020:40:090
8087992010,2cyclictest0-21swapper/023:17:370
808799200,0cyclictest0-21swapper/019:54:240
808899195,6cyclictest0-21swapper/121:24:101
8088991915,2cyclictest231ktimersoftd/119:30:051
808799197,6cyclictest0-21swapper/020:05:050
808799193,8cyclictest0-21swapper/019:35:110
808799193,3cyclictest0-21swapper/020:25:140
8087991919,0cyclictest0-21swapper/022:43:220
8087991912,3cyclictest7608-21switchtime20:30:180
8087991910,5cyclictest0-21swapper/023:09:540
8087991910,5cyclictest0-21swapper/020:10:110
8087991910,5cyclictest0-21swapper/000:16:440
808799190,1cyclictest0-21swapper/023:35:170
808799190,14cyclictest0-21swapper/022:50:180
808799190,10cyclictest0-21swapper/019:45:150
808899185,10cyclictest0-21swapper/120:55:061
808899183,6cyclictest0-21swapper/120:15:061
808899183,12cyclictest0-21swapper/119:25:041
808899183,11cyclictest0-21swapper/119:40:051
808899182,2cyclictest91rcu_preempt20:00:111
808899181,3cyclictest91rcu_preempt21:58:391
808799186,7cyclictest0-21swapper/019:40:130
808799184,12cyclictest0-21swapper/020:45:150
808799181,3cyclictest0-21swapper/023:51:120
8087991811,3cyclictest0-21swapper/019:24:540
8087991810,7cyclictest28435-21kworker/0:123:41:080
8087991810,5cyclictest0-21swapper/020:50:030
8087991810,3cyclictest0-21swapper/021:44:540
8087991810,2cyclictest0-21swapper/023:49:530
1714321810,0sleep00-21swapper/019:30:430
808899173,1cyclictest91rcu_preempt19:49:551
808899172,14cyclictest0-21swapper/119:45:061
8088991711,1cyclictest0-21swapper/119:22:011
808799173,8cyclictest0-21swapper/023:01:500
808799172,7cyclictest0-21swapper/020:15:090
8087991715,2cyclictest27594-21apache222:28:140
8087991710,4cyclictest0-21swapper/022:10:040
8087991710,1cyclictest0-21swapper/022:06:290
808899162,1cyclictest91rcu_preempt19:12:101
8087991612,1cyclictest0-21swapper/021:05:060
8087991610,1cyclictest0-21swapper/022:35:050
8087991510,4cyclictest0-21swapper/020:03:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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