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2026-08-23 - 19:04
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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 Sun Aug 23, 2026 12:44:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
307418199303273,20cyclictest29-21kswapd011:55:210
307418199256217,26cyclictest3082367-31find07:38:170
307418199255225,20cyclictest29-21kswapd011:51:020
311660522510,3chrt3116602-21ntpq09:40:520
316129022480,2sleep03161291-21/usr/sbin/munin12:21:050
309015722480,3chrt3090154-21ntpq08:05:580
307418199247217,20cyclictest29-21kswapd007:45:240
310823722450,3chrt3108234-21ntpq09:10:530
312442122440,3chrt3124420-21cat10:10:060
307418199243212,20cyclictest29-21kswapd007:41:020
315855322210,2sleep03158555-21grep12:11:160
313832621960,4chrt3138325-21sendmail-msp11:00:020
312484821880,4chrt3124849-21ldconfig10:10:340
314758521800,4chrt3147584-21/usr/sbin/munin11:31:210
309414321790,4chrt3094141-21memory08:20:290
310116621740,4chrt3101163-21ntpq08:45:320
315942721730,4chrt3159428-21cpu12:15:140
311045821730,4chrt3110443-21sendmail09:20:000
308727621710,4chrt3087273-21ntpq07:55:430
312240121660,4chrt3122398-21mailstats10:01:180
311805621660,4chrt3118054-21ntp_states09:46:060
307418199161133,19cyclictest3162060-21kworker/u2:012:30:130
307418199160127,22cyclictest3085592-21/usr/sbin/munin07:50:140
307975621590,4chrt3079747-21idleruntime-cro07:30:020
307418199157130,18cyclictest3092739-21kworker/u2:008:31:280
307418199152124,19cyclictest3141544-21kworker/u2:211:45:140
30741819915089,49cyclictest3155275-21diskstats12:00:210
307418199148117,20cyclictest3113252-21kworker/u2:109:36:030
307418199140107,22cyclictest3080919-21anacron07:33:130
30741819911889,20cyclictest3131374-21kworker/u2:310:37:270
30741819911688,19cyclictest3103988-21kworker/u2:109:05:410
30741819911588,18cyclictest3159750-21kworker/u2:212:25:330
30741819911385,18cyclictest3124393-21kworker/u2:110:17:310
30741819911182,20cyclictest3135536-21kworker/u2:110:50:520
30741819910879,18cyclictest3092739-21kworker/u2:008:36:110
30741819910773,25cyclictest3124393-21kworker/u2:110:21:090
30741819910276,17cyclictest3141544-21kworker/u2:211:36:230
30741819910172,20cyclictest3162060-21kworker/u2:012:36:000
30741819910014,19cyclictest3146689-21munin-run11:30:060
3074181999825,17cyclictest3140292-21ntpq11:05:580
3074181999729,15cyclictest3091493-21ntpq08:10:500
3074181999728,15cyclictest3074392-21df07:10:160
3074181999726,16cyclictest3129983-21sd-rmrf10:30:050
3074181999721,54cyclictest3150955-21sed11:45:080
3074181999714,18cyclictest3077598-21ntpq07:21:070
3074181999713,19cyclictest3134357-21df_inode10:45:160
3074181999711,61cyclictest853-21sendmail-mta11:15:060
3074181999627,16cyclictest3130456-21ntpq10:30:410
3074181999626,16cyclictest3095358-21df_inode08:25:170
3074181999625,17cyclictest3156638-21df12:05:150
3074181999614,20cyclictest3112392-21ntpq09:25:490
3074181999614,19cyclictest3139707-21munin-run11:05:020
3074181999614,19cyclictest3110978-21ntpq09:20:440
3074181999613,19cyclictest3119043-21diskstats09:50:200
3074181999611,21cyclictest1-21systemd11:20:070
3074181999611,20cyclictest3113813-21collect209:30:540
3074181999611,19cyclictest374-21runrttasks11:20:280
3074181999611,19cyclictest3075739-21grep07:15:150
3074181999526,17cyclictest3088683-21ntpq08:00:440
3074181999514,19cyclictest3133402-21ntpq10:41:120
3074181999514,19cyclictest3120687-21ntpq09:55:390
3074181999513,19cyclictest3099852-21ntpq08:40:470
3074181999513,19cyclictest3092832-21ntpq08:15:400
3074181999511,20cyclictest3103947-21ntpq08:55:340
3074181999510,19cyclictest3102592-21gcc08:50:390
3074181999413,18cyclictest3105479-21ntpq09:00:570
3074181999311,19cyclictest374-21runrttasks07:10:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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