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2026-04-17 - 17:34
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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 792 highest latencies:
System rack3slot2.osadl.org (updated Fri Apr 17, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
311181299309275,22cyclictest3120848-21ntpq07:41:040
311181299295265,20cyclictest29-21kswapd007:45:200
311181299264233,20cyclictest29-21kswapd008:46:130
317621422630,3chrt3176215-21awk11:00:210
311832422550,3chrt3118321-21users07:31:230
314026822540,2sleep03140270-21ntpq08:50:460
315953622500,2sleep03159537-21/usr/sbin/munin10:00:210
312920822440,3chrt3129206-21ld08:11:030
315140422420,3chrt3151401-21ntpq09:30:470
312863222380,2sleep03128633-21latency_hist08:10:060
314671322170,3sleep03146707-21pluginstate09:15:050
313416322130,2sleep03134167-21munin-plugin-st08:30:000
311181299213177,24cyclictest3113696-21kworker/u2:107:21:170
319835522110,2sleep03198356-21find12:20:110
311181299210173,25cyclictest3120132-31find07:39:330
311181299207146,50cyclictest3125594-40mandb07:58:250
318759622050,2sleep03187597-21ntpq11:40:430
311181299205175,18cyclictest3138830-21kworker/u2:109:00:030
319567622040,3sleep03195677-21basename12:10:210
317785121930,4chrt3177458-21/usr/sbin/munin11:05:450
311181299193163,19cyclictest3113696-21kworker/u2:107:20:040
311181299187157,19cyclictest3124414-21kworker/u2:008:16:230
315301721830,3sleep03153018-21cat09:36:170
313453521830,3chrt3134536-21latency08:30:270
311181299183154,19cyclictest3124414-21kworker/u2:008:01:250
311181299183152,20cyclictest3172250-21kworker/u2:210:46:130
319710221820,4chrt3197092-21sshd12:15:220
311181299182152,19cyclictest3145754-21kworker/u2:209:26:170
312326321810,2sleep03123266-21sort07:50:230
319299221800,4chrt3192994-21kernelversion12:00:240
311181299178150,18cyclictest3180578-21kworker/u2:011:40:070
311228421750,4chrt3112283-21awk07:10:360
318084021720,3chrt3180838-21/usr/sbin/munin11:16:160
311181299172145,18cyclictest3180578-21kworker/u2:011:21:210
316401321700,4chrt3164009-21ntpq10:16:050
311181299165137,18cyclictest3179169-21kworker/u2:111:15:060
311181299165135,18cyclictest3145754-21kworker/u2:210:20:100
311181299163136,18cyclictest3145754-21kworker/u2:209:41:180
311181299163134,19cyclictest3194488-21kworker/u2:212:36:190
315817821620,3chrt3158180-21grep09:55:290
317043821590,3sleep03170440-21sort10:40:070
311181299156127,18cyclictest3145754-21kworker/u2:210:26:170
311181299156126,19cyclictest3145754-21kworker/u2:209:16:160
311181299154124,19cyclictest3145754-21kworker/u2:209:55:060
311181299150120,20cyclictest3196820-21kworker/u2:012:26:230
311181299149121,18cyclictest3145754-21kworker/u2:210:15:020
311181299146116,19cyclictest3131786-21kworker/u2:108:35:390
311181299146110,25cyclictest3145754-21kworker/u2:209:45:160
311181299143115,19cyclictest3134176-21kworker/u2:208:40:230
311181299143113,19cyclictest3145754-21kworker/u2:210:30:220
311181299143113,19cyclictest3138830-21kworker/u2:109:05:040
311181299143112,20cyclictest3186151-21kworker/u2:111:51:150
311181299138108,19cyclictest3131786-21kworker/u2:108:25:070
311181299135107,19cyclictest83-21jbd2/mmcblk0p2-07:30:070
317387521340,3sleep03173876-21ps10:51:160
311181299134104,19cyclictest3186151-21kworker/u2:112:10:050
311181299133104,18cyclictest3145754-21kworker/u2:209:25:060
311181299130103,18cyclictest3186151-21kworker/u2:111:56:210
31118129912798,18cyclictest3166218-21kworker/u2:110:40:390
31118129912698,17cyclictest3138830-21kworker/u2:109:06:200
31118129912495,18cyclictest3196820-21kworker/u2:012:31:260
31118129912393,19cyclictest3180578-21kworker/u2:011:30:040
31118129911688,19cyclictest3186151-21kworker/u2:111:46:230
31118129911283,19cyclictest3172250-21kworker/u2:210:56:150
31118129910879,18cyclictest3145754-21kworker/u2:210:10:040
31118129910577,18cyclictest3108098-21kworker/u2:007:10:060
31118129910174,18cyclictest3180578-21kworker/u2:011:31:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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