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2026-05-27 - 01:46
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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
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack1slot8.osadl.org (updated Wed May 27, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
137832963940,16sleep00-21swapper/019:05:490
1423699366291,45cyclictest0-21swapper/119:13:461
1423499361287,48cyclictest0-21swapper/019:13:460
94142770,4sleep19413-21ssh00:31:591
324632750,3sleep132462-21ntp_states00:15:241
1417727533,30sleep10-21swapper/119:09:451
14234997322,41cyclictest88850irq/46-eth0-tx-22:55:280
14234997313,53cyclictest32258-21idleruntime-cro20:00:000
1423499725,45cyclictest0-21swapper/000:18:520
1423499722,7cyclictest10763-21sh22:39:080
14234997214,51cyclictest0-21swapper/023:13:490
1423499719,52cyclictest88850irq/46-eth0-tx-23:25:140
1423499713,61cyclictest7198-21idleruntime-cro20:20:000
1423499712,64cyclictest29246-21sh00:10:160
1423499705,16cyclictest0-21swapper/020:53:010
1423499705,16cyclictest0-21swapper/020:53:000
1423499694,59cyclictest0-21swapper/023:43:040
1423499694,59cyclictest0-21swapper/023:05:540
1423499694,58cyclictest0-21swapper/000:27:360
1423499692,60cyclictest2740-21timerwakeupswit21:25:270
14234996911,51cyclictest0-21swapper/021:32:240
1423699683,8cyclictest3984-21ssh22:25:281
1423699683,10cyclictest23987-21munin-node00:00:211
1423499684,57cyclictest795-21latency_hist23:20:010
1423499682,8cyclictest30159-21ssh21:17:420
1423499682,60cyclictest7397-21ssh21:35:110
1423499682,60cyclictest25251-21diskmemload23:56:580
1423699675,53cyclictest1568-21runrttasks00:13:031
1423699675,10cyclictest0-21swapper/100:36:061
1423699674,57cyclictest10931-21awk22:39:431
14236996715,45cyclictest88750irq/45-eth0-rx-22:34:321
1423499679,44cyclictest25416-21ssh22:05:450
1423499679,44cyclictest25416-21ssh22:05:440
1423499675,56cyclictest0-21swapper/023:37:090
1423499674,57cyclictest0-21swapper/022:34:250
1423499672,8cyclictest9390-21ssh00:31:560
1423499672,7cyclictest30989-21ssh22:15:490
1423499672,7cyclictest1092-21timerandwakeup22:20:280
1423499672,59cyclictest25251-21diskmemload22:54:160
14234996716,45cyclictest88850irq/46-eth0-tx-21:56:210
14234996716,31cyclictest25886-21sshd19:40:200
1423699663,56cyclictest13419-21awk22:43:431
1423699663,19cyclictest25074-21munin-node22:05:231
1423699663,19cyclictest25074-21munin-node22:05:231
1423699662,8cyclictest21244-21ssh22:57:041
14236996617,42cyclictest24953-21date23:05:011
14236996614,46cyclictest21258-21netstat23:55:211
1423499663,9cyclictest11988-21ssh00:36:190
14234996627,34cyclictest0-21swapper/022:00:180
1423499662,9cyclictest32731-21ssh21:21:410
1423499662,9cyclictest27082-21ssh21:11:540
1423499662,8cyclictest835-21lldpad22:12:580
1423499662,8cyclictest28076-21ssh00:07:510
1423499662,51cyclictest12540-21ssh22:40:460
14234996616,26cyclictest22370-21ssh23:00:120
1423699659,49cyclictest8162-21ntp_kernel_pll_21:35:221
1423699655,53cyclictest0-21swapper/123:30:161
1423699654,11cyclictest28357-21munin-node21:15:131
1423699653,9cyclictest31393-21munin-node19:55:211
1423699653,8cyclictest11182-21seq23:37:101
1423699652,7cyclictest19414-21ssh21:55:241
1423699652,7cyclictest16385-21ssh22:49:231
14236996511,48cyclictest1568-21runrttasks19:46:541
14236996510,49cyclictest88750irq/45-eth0-rx-23:40:111
1423499655,53cyclictest0-21swapper/019:18:190
1423499652,8cyclictest4350-21ssh00:23:380
1423499652,6cyclictest18017-21latency_hist20:50:000
1423499652,57cyclictest25251-21diskmemload23:20:070
1423499652,57cyclictest16565-21ssh22:50:000
1423499652,56cyclictest25251-21diskmemload21:40:250
1423499652,48cyclictest8550-21ssh23:32:360
14234996516,43cyclictest88850irq/46-eth0-tx-22:28:250
14234996515,44cyclictest88850irq/46-eth0-tx-23:53:160
228699640,4rtkit-daemon2285-21rtkit-daemon21:01:480
1423699644,8cyclictest0-21swapper/122:16:151
1423699644,20cyclictest21838-21irqstats22:00:191
1423699644,13cyclictest0-21swapper/123:06:061
1423699643,9cyclictest20640-21strings20:55:201
1423699643,9cyclictest18929-21munin-node19:20:251
1423699642,7cyclictest28376-21if_err_eth023:10:181
1423699642,7cyclictest17350-21ssh21:51:431
14236996414,43cyclictest88750irq/45-eth0-rx-23:50:141
1423499642,7cyclictest28651-21latency_hist19:50:010
1423499642,6cyclictest23666-21forks00:00:170
1423499642,20cyclictest23261-21grep19:35:020
1423499641,57cyclictest15084-21aten2.4-expect23:45:110
1423699638,48cyclictest0-21swapper/123:27:581
1423699635,9cyclictest0-21swapper/100:05:531
1423699635,52cyclictest1568-21runrttasks23:47:381
1423699634,53cyclictest24410-21sort19:35:241
1423699634,53cyclictest17768-21timerandwakeup22:50:261
1423699634,12cyclictest0-21swapper/122:10:111
1423699634,10cyclictest836-21munin-node20:00:261
1423699633,9cyclictest16788-21munin-node20:45:151
1423699633,54cyclictest13274-21ssh21:45:141
14236996314,41cyclictest32426-21munin-node22:20:281
1423499633,53cyclictest9148-21munin-node20:25:150
1423499632,8cyclictest25253-21munin-run21:10:010
1423499632,8cyclictest13496-21ssh21:45:180
1423499632,7cyclictest12756-21munin-node20:35:200
1423699629,48cyclictest26860-21sh21:11:151
1423699624,8cyclictest29265-21munin-node19:50:181
1423699623,10cyclictest2505-21grep21:25:231
1423699622,8cyclictest2723-21munin-node20:05:221
14236996212,43cyclictest31068-21grep23:15:151
14236996211,8cyclictest1183-21aten_r1power_po23:20:121
1423499625,50cyclictest0-21swapper/021:50:210
1423499622,9cyclictest14562-21munin-node20:40:280
1423499622,7cyclictest23874-21ps19:35:150
1423499622,7cyclictest18975-21timerandwakeup19:20:260
1423499622,6cyclictest12143-21munin-node20:30:280
1423499622,53cyclictest28806-21munin-node19:50:130
1423499622,53cyclictest20898-21sed19:25:240
1423699616,47cyclictest31837-21ntp_kernel_err21:20:211
1423699614,9cyclictest4858-21munin-node21:30:151
1423699614,9cyclictest20128-21munin-node19:25:141
1423699614,9cyclictest0-21swapper/100:27:401
1423699614,13cyclictest0-21swapper/120:30:181
1423699613,9cyclictest19067-21munin-node20:50:251
1423699613,9cyclictest19067-21munin-node20:50:241
1423699612,7cyclictest25251-21diskmemload21:40:051
14236996115,41cyclictest5022-21awk20:11:221
14236996112,7cyclictest22067-21df_abs21:00:151
1423699608,47cyclictest25248-21idleruntime-cro21:10:001
1423699604,9cyclictest21615-21aten_r1power_cu19:30:111
1423699604,9cyclictest16423-21munin-node19:15:131
1423699604,11cyclictest0-21swapper/100:20:071
1423699603,8cyclictest15284-21munin-node20:40:211
14236996016,38cyclictest10034-21munin-node20:25:231
1423499603,8cyclictest20639-21needreboot20:55:210
1423499602,7cyclictest3135-21taskset20:05:300
1423699595,8cyclictest13467-21munin-node20:35:211
1423699593,8cyclictest6588-21munin-node20:15:251
1423699593,10cyclictest8236-21munin-node20:20:261
14236995914,39cyclictest26006-21munin-node19:40:231
1423499595,47cyclictest0-21swapper/020:00:210
1423499592,51cyclictest3741-21munin-node20:10:200
1423499582,7cyclictest7875-21munin-node20:20:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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