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2025-07-15 - 12:14
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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 all highest latencies:
System rack3slot2.osadl.org (updated Tue Jul 15, 2025 00:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
308015722620,4chrt3080142-21ntpq21:36:080
303663422440,4chrt3036635-21/usr/sbin/munin19:05:260
306013122360,3chrt3060129-21df_inode20:30:180
313943122230,3sleep03139433-21sort00:30:110
303949322220,3chrt3039486-21ntpq19:15:380
306709522210,4chrt3067094-21/usr/sbin/munin20:55:230
313205722200,4chrt3132056-21ssh00:07:380
308327822100,2sleep03083277-21/usr/sbin/munin21:45:300
303763699210180,19cyclictest3125626-21kworker/u2:123:55:350
303763699209179,19cyclictest3118441-21kworker/u2:123:35:300
310868122040,3sleep03108684-21wc23:00:100
303763699201170,19cyclictest3079200-21kworker/u2:322:00:070
303763699201169,20cyclictest84-21jbd2/mmcblk0p2-00:35:050
304102921980,2sleep03041032-21grep19:21:030
303763699198170,18cyclictest3094691-21kworker/u2:022:45:290
303763699191163,18cyclictest3068760-21kworker/u2:121:26:380
303763699189160,18cyclictest3135372-21kworker/u2:200:20:080
312254521880,2sleep03122543-21diskstats23:40:230
303763699183153,18cyclictest3071057-21kworker/u2:021:30:310
312511521810,3sleep03125116-21/usr/sbin/munin23:47:070
303763699181151,18cyclictest3106810-21kworker/u2:023:20:110
305933521800,2sleep03059336-21/usr/sbin/munin20:26:200
303763699180152,19cyclictest3101431-21kworker/u2:222:41:340
303763699180150,20cyclictest29-21kswapd000:10:290
303763699177145,20cyclictest84-21jbd2/mmcblk0p2-23:25:050
303763699176148,19cyclictest3123432-21kworker/u2:200:00:300
303763699175148,17cyclictest3058527-21kworker/u2:221:15:050
303763699175144,20cyclictest3041827-21kworker/u2:219:30:060
303763699173145,18cyclictest3108522-21kworker/u2:223:05:040
307314721720,3sleep03073149-21latency21:15:350
303763699172144,17cyclictest3056153-21kworker/u2:020:25:040
303763699171143,18cyclictest3094691-21kworker/u2:022:20:080
303763699171141,19cyclictest3052962-21kworker/u2:220:05:380
303763699170140,19cyclictest3084438-21kworker/u2:021:50:470
303763699169142,17cyclictest3041827-21kworker/u2:219:30:340
311771621680,4chrt3117710-21ntpq23:25:550
303763699168139,17cyclictest3079200-21kworker/u2:322:00:310
303763699167136,19cyclictest3043600-21kworker/u2:019:35:380
303763699166138,18cyclictest3068760-21kworker/u2:122:37:000
303763699166138,17cyclictest3054362-21kworker/u2:120:20:020
303763699166137,19cyclictest3108522-21kworker/u2:223:05:330
303763699166137,17cyclictest3106810-21kworker/u2:023:31:350
303763699166136,19cyclictest3048783-21kworker/u2:020:05:050
303763699165135,18cyclictest3096519-21kworker/u2:222:25:380
303763699165135,18cyclictest3054362-21kworker/u2:120:10:360
314192021640,3chrt3141922-21grep00:36:520
303763699164134,19cyclictest3113347-21kworker/u2:323:15:090
305157421630,3chrt3051575-21/usr/sbin/munin20:00:030
303763699163135,19cyclictest3123432-21kworker/u2:223:55:060
303763699163133,19cyclictest3135372-21kworker/u2:200:20:280
303763699163133,18cyclictest3074306-21kworker/u2:321:21:560
304928121620,4chrt3049278-21ntpq19:50:440
303763699161132,18cyclictest3068760-21kworker/u2:122:05:300
306897221600,4chrt3068971-21/usr/sbin/munin21:01:180
303763699159131,18cyclictest3068760-21kworker/u2:122:15:040
303763699156126,18cyclictest3024464-21kworker/u2:119:10:360
303763699156125,19cyclictest3094691-21kworker/u2:022:30:130
303763699154125,18cyclictest3079200-21kworker/u2:321:45:020
303763699154124,20cyclictest29-21kswapd022:21:510
303763699152123,18cyclictest3058527-21kworker/u2:220:40:080
303763699150121,18cyclictest3046013-21kworker/u2:119:46:200
303763699148119,17cyclictest3058527-21kworker/u2:220:55:070
303763699147118,19cyclictest3058527-21kworker/u2:221:05:360
303763699145115,19cyclictest3105013-21kworker/u2:322:51:020
303763699141113,17cyclictest3041827-21kworker/u2:219:40:390
303763699134104,19cyclictest3058527-21kworker/u2:220:41:270
303763699131102,19cyclictest3058527-21kworker/u2:220:45:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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