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2026-03-30 - 01:57
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack3slot2.osadl.org (updated Mon Mar 30, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
245334422430,3chrt2453343-21/usr/sbin/munin22:10:100
247015322300,4chrt2470151-21diskstats23:10:180
247827822160,2sleep02478279-21munin-run23:40:000
240868022120,2sleep02408682-21sort19:30:060
240307099207175,20cyclictest2428163-21kworker/u2:220:55:040
240307099205175,19cyclictest2478306-21kworker/u2:200:15:040
241176722040,3sleep02411769-21grep19:40:270
244157421970,2sleep02441576-21grep21:26:240
240307099194164,19cyclictest2454605-21kworker/u2:222:20:040
240307099191161,19cyclictest2478306-21kworker/u2:200:06:200
240307099184156,18cyclictest2439746-21kworker/u2:121:35:060
240307099183151,20cyclictest2415606-21kworker/u2:120:15:030
246725321820,2sleep02467255-21sed23:00:080
243534621820,3sleep02435347-21cat21:05:220
240307099181151,19cyclictest2428163-21kworker/u2:221:05:060
240307099180149,19cyclictest2488090-21kworker/u2:000:20:040
240307099180148,20cyclictest2488090-21kworker/u2:000:21:230
242677521790,3chrt2426777-21latency_hist20:35:050
240307099178147,20cyclictest2475997-21kworker/u2:123:31:180
240307099176147,18cyclictest2428163-21kworker/u2:220:45:050
240307099174145,19cyclictest2460183-21kworker/u2:023:06:170
240307099174143,19cyclictest2439746-21kworker/u2:121:50:070
240307099172142,19cyclictest2415606-21kworker/u2:120:06:160
240307099171140,19cyclictest2439746-21kworker/u2:121:40:070
243829021700,3chrt2438293-21sed21:15:320
240307099170140,19cyclictest2415606-21kworker/u2:120:05:030
240307099170139,19cyclictest2488090-21kworker/u2:000:25:540
244802521690,4chrt2448027-21load21:50:270
240307099168138,19cyclictest2407745-21kworker/u2:119:31:170
240307099168137,20cyclictest2403516-21kworker/u2:119:15:030
246204321670,3chrt2462040-21ntpq22:40:340
240307099166134,20cyclictest2478306-21kworker/u2:200:00:090
240307099165136,19cyclictest2439746-21kworker/u2:122:00:000
248012421640,4chrt2480123-21/usr/sbin/munin23:45:310
240307099164133,19cyclictest2419791-21kworker/u2:020:45:120
246053421620,3chrt2460532-21/usr/sbin/munin22:35:260
242700521610,3chrt2426874-21/usr/sbin/munin20:35:210
240307099160130,19cyclictest2478306-21kworker/u2:200:00:070
240307099159130,18cyclictest2428163-21kworker/u2:220:55:360
240307099155128,18cyclictest2439746-21kworker/u2:122:01:210
240307099155114,19cyclictest2399358-21kworker/u2:019:20:060
240307099154122,21cyclictest2439746-21kworker/u2:121:40:260
240307099153123,19cyclictest2460183-21kworker/u2:022:51:160
240307099153122,20cyclictest2494248-21kworker/u2:200:40:080
240307099152122,19cyclictest2492379-21kworker/u2:100:35:070
240307099150119,20cyclictest2419791-21kworker/u2:020:25:420
240307099149120,18cyclictest2471809-21kworker/u2:223:25:390
240307099148118,19cyclictest2411449-21kworker/u2:219:55:060
240307099148117,20cyclictest2457843-21kworker/u2:122:30:310
240307099146116,19cyclictest2419791-21kworker/u2:020:20:480
240307099146115,20cyclictest2436508-21kworker/u2:121:10:410
240307099145116,18cyclictest2439746-21kworker/u2:122:10:060
240307099144115,18cyclictest2437910-21kworker/u2:221:25:050
240307099143114,18cyclictest2411449-21kworker/u2:219:56:220
240307099142113,19cyclictest2478306-21kworker/u2:223:55:040
240307099142111,20cyclictest2454605-21kworker/u2:222:25:260
240307099141114,18cyclictest2471809-21kworker/u2:223:24:180
240307099139111,19cyclictest2407745-21kworker/u2:119:45:220
240307099139109,19cyclictest2460183-21kworker/u2:023:15:320
240307099138109,19cyclictest2415606-21kworker/u2:120:15:150
240307099138108,20cyclictest2460183-21kworker/u2:023:01:170
240307099138108,19cyclictest2475997-21kworker/u2:123:40:310
240307099138108,19cyclictest2460183-21kworker/u2:022:46:230
240307099137106,19cyclictest2454605-21kworker/u2:222:20:320
240307099132102,18cyclictest2399358-21kworker/u2:019:25:060
240307099130101,18cyclictest2407745-21kworker/u2:119:40:020
24030709912191,18cyclictest2399358-21kworker/u2:019:10:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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