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2025-10-26 - 23:18
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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 50 highest latencies:
System rackbslot2.osadl.org (updated Sun Oct 26, 2025 12:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1091142226196,20sleep30-21swapper/307:07:123
1091642225196,19sleep10-21swapper/107:07:501
1090662223192,20sleep20-21swapper/207:06:332
1092152222193,19sleep00-21swapper/007:08:290
109526996154,6cyclictest244030-21latency_hist09:44:590
109526996046,2cyclictest296081-13chrome10:45:010
109526995753,3cyclictest135588-21kworker/u8:2+flush-179:008:00:160
109530995650,3cyclictest347565-13chrome11:45:011
109536995351,1cyclictest226439-21kworker/3:0+pm10:33:543
109534995349,3cyclictest236816-21apt-get09:35:072
109530995047,3cyclictest65610-21kworker/u8:1+flush-179:007:25:151
109536994841,5cyclictest360730-21munin-update12:00:293
109534994832,14cyclictest296154-21chrome10:45:012
109526994845,2cyclictest243806-21kworker/u8:3+flush-179:009:50:140
109526994744,2cyclictest195005-21kworker/u8:2+flush-179:009:00:270
109536994632,13cyclictest4092783-1kworker/3:0H+kblockd08:13:393
109534994642,3cyclictest135588-21kworker/u8:2+flush-179:007:40:142
109534994633,3cyclictest190568-21kworker/2:1+pm08:50:052
109526994642,3cyclictest65610-21kworker/u8:1+flush-179:008:45:310
109534994533,11cyclictest101104-21kworker/2:0+pm07:30:532
109534994440,3cyclictest228467-21kworker/u8:2+events_unbound09:25:152
109530994441,2cyclictest261326-21kworker/u8:1+flush-179:010:30:011
109530994340,2cyclictest200730-21kworker/u8:3+events_unbound08:55:071
109530994339,3cyclictest195005-21kworker/u8:2+events_unbound09:15:121
109530994325,7cyclictest244035-21munin-update09:45:011
109534994239,2cyclictest200730-21kworker/u8:3+events_unbound09:30:162
109534994229,1cyclictest54822-1kworker/2:2H+kblockd08:00:512
109530994238,3cyclictest261514-21/usr/share/muni10:05:131
109526994239,2cyclictest135588-21kworker/u8:2+events_unbound08:10:140
109534994139,1cyclictest101104-21kworker/2:0+pm07:10:032
109534994138,2cyclictest334550-21kworker/2:3+pm11:31:122
109530994138,2cyclictest291649-21kworker/u8:0+flush-179:010:50:161
109530994138,2cyclictest291649-21kworker/u8:0+events_unbound10:55:141
109530994137,3cyclictest312767-21kworker/u8:1+flush-179:011:05:101
109526994137,3cyclictest204474-21munin-limits08:55:280
109536994034,4cyclictest373511-21latency_hist12:15:023
109534994037,2cyclictest190568-21kworker/2:1+pm10:20:272
109534994036,3cyclictest190568-21kworker/2:1+pm10:30:042
109534994033,5cyclictest330508-21/usr/share/muni11:25:012
109530994037,2cyclictest109374-21kworker/u8:0+events_unbound07:15:061
109526994037,2cyclictest338655-21kworker/u8:2+flush-179:011:35:190
109526994037,2cyclictest261326-21kworker/u8:1+flush-179:010:40:100
109526994037,1cyclictest347318-21munin-update11:45:010
109526994036,3cyclictest65610-21kworker/u8:1+flush-179:008:40:080
109536993934,4cyclictest149293-21/usr/share/muni07:55:143
109534993938,1cyclictest179869-21kworker/2:2+pm08:31:282
109534993937,1cyclictest190568-21kworker/2:1+pm10:11:242
109534993937,1cyclictest190568-21kworker/2:1+pm09:55:492
109534993937,1cyclictest190568-21kworker/2:1+pm08:45:472
109534993936,2cyclictest190568-21kworker/2:1+pm09:45:582
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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