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2026-03-17 - 17:23
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack7slot8.osadl.org (updated Tue Mar 17, 2026 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23919212470,11sleep023670-21/usr/sbin/munin07:05:210
248619916254,11cyclictest101ktimersoftd/011:40:230
2486199125103,13cyclictest0-21swapper/007:10:030
10649211510,12sleep010639-21apt-get08:17:060
1253211110,12sleep0371-21apt-get11:50:550
2455121086,11sleep024549-21diskstats09:10:210
2009321085,12sleep0754-21systemd-journal08:55:000
473321058,11sleep0101ktimersoftd/012:05:130
2921421055,13sleep029222-21munin-plugin-st09:30:000
774721045,13sleep07760-21awk12:15:470
1389221045,11sleep013906-21sed08:30:020
853021035,11sleep08553-21pluginstate10:15:430
611221034,11sleep06124-21ntpq08:00:370
3148121035,15sleep030202-21apt-get07:32:080
1084921025,12sleep010862-21forks10:25:260
1263621015,13sleep011756-21apt-get10:31:020
911221005,12sleep09106-21ntp_states08:11:210
272052986,13sleep027198-21ntp_states11:26:140
24861999858,26cyclictest101ktimersoftd/007:45:420
322622956,78sleep032288-21nfs4_client07:35:350
258562944,12sleep024591-21apt-get11:21:480
156322946,11sleep015630-21ntp_states08:35:380
308012935,11sleep030805-21fw_conntrack09:35:230
24861998945,28cyclictest3650irq/20-4900000009:01:060
24861998923,17cyclictest25646-21wget09:15:140
2486199877,29cyclictest1276-21runrttasks10:20:470
24861998745,28cyclictest101ktimersoftd/011:00:390
24861998652,15cyclictest10150irq/55-4a10000008:45:190
24861998649,28cyclictest0-21swapper/010:10:200
24861998646,27cyclictest3650irq/20-4900000007:40:400
24861998639,32cyclictest3650irq/20-4900000007:22:130
24861998639,16cyclictest10250irq/56-4a10000012:34:290
24861998637,33cyclictest4134-21runrttasks09:58:550
24861998637,15cyclictest10250irq/56-4a10000012:39:290
9282855,68sleep0930-21irqstats09:45:300
136812856,67sleep013684-21df10:35:170
24861998424,28cyclictest787-21haveged09:25:030
24861998422,17cyclictest17117-21latency_hist10:50:030
292712835,64sleep029274-21df07:25:190
24861998237,30cyclictest10250irq/56-4a10000012:14:270
24861998236,14cyclictest1276-21runrttasks10:45:020
24861998231,15cyclictest10250irq/56-4a10000009:08:530
24861998140,29cyclictest3650irq/20-4900000008:10:070
24861998138,30cyclictest29520-21load11:35:320
2486199809,33cyclictest27329-21cut07:20:010
24861998034,36cyclictest15214-21latency_hist08:35:040
24861998025,18cyclictest802-21in:imuxsock11:10:010
24861997951,12cyclictest10150irq/55-4a10000009:40:260
24861997946,25cyclictest0-21swapper/010:55:130
24861997922,19cyclictest20222-21cat08:55:120
2486199787,40cyclictest1305-21snmpd09:51:030
24861997861,10cyclictest101ktimersoftd/008:40:350
24861997859,11cyclictest101ktimersoftd/010:05:210
24861997859,11cyclictest101ktimersoftd/007:50:140
24861997851,16cyclictest8650-21sshd12:20:230
24861997848,19cyclictest29742-21ntp_states09:30:410
24861997848,14cyclictest10150irq/55-4a10000012:00:380
24861997834,35cyclictest10250irq/56-4a10000007:55:240
24861997832,13cyclictest10250irq/56-4a10000011:10:190
24861997759,11cyclictest101ktimersoftd/010:00:330
24861997731,32cyclictest101ktimersoftd/011:55:190
24861997724,20cyclictest23672-21sshd11:15:240
24861997653,16cyclictest28181-21seq11:30:200
24861997634,29cyclictest10250irq/56-4a10000012:25:140
24861997622,40cyclictest0-21swapper/008:20:050
24861997547,19cyclictest31926-21sshd11:45:220
24861997356,10cyclictest101ktimersoftd/010:50:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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