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2026-01-04 - 18:39
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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 100 highest latencies:
System rack3slot2.osadl.org (updated Sun Jan 04, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
284457923090,2sleep02844580-21/usr/sbin/munin08:51:060
282350422630,3chrt2823501-21ntpq07:35:440
285862122510,3chrt2858031-21/usr/sbin/munin09:41:160
282648122490,3chrt2826479-21ntp_states07:46:070
289557922460,3chrt2895573-21/usr/sbin/munin11:55:050
281540222460,3chrt2815401-21mailstats07:06:000
288863922440,2sleep02888641-21latency_hist11:30:060
282519122430,3chrt2825189-21rt-features07:41:160
281602999237182,43cyclictest2876069-21kworker/u2:210:56:200
283063322310,3chrt2830629-21ntp_states08:01:000
281602999213183,19cyclictest2860682-21kworker/u2:010:15:370
281602999204177,19cyclictest2838828-21kworker/u2:209:10:010
288445021960,4chrt2884451-21latency_hist11:15:070
281602999194165,19cyclictest2894176-21kworker/u2:012:11:150
284749021880,4chrt2847492-21find09:01:170
281602999188159,20cyclictest2815102-21kworker/u2:107:15:030
281602999182151,20cyclictest2825856-21kworker/u2:008:25:080
289704721780,4chrt2897046-21sed12:00:070
281602999176147,18cyclictest2869109-21kworker/u2:110:35:070
281602999176145,20cyclictest2860682-21kworker/u2:010:01:170
288633221700,3chrt2886329-21ntpq11:20:430
281602999170140,19cyclictest2838828-21kworker/u2:208:45:380
287524021670,4chrt2875237-21ntpq10:40:550
284013921670,4chrt2840140-21latency08:35:260
282101721650,3chrt2821018-21mailstats07:26:170
285721421630,4chrt2857216-21cut09:36:160
283887921620,3chrt2838876-21ntpq08:30:400
290169321610,3chrt2901683-21ntpq12:15:560
281602999161132,19cyclictest2815102-21kworker/u2:107:30:120
281602999161131,20cyclictest2860682-21kworker/u2:010:20:140
281602999152123,20cyclictest2860682-21kworker/u2:010:10:330
281602999149120,20cyclictest2905323-21kworker/u2:012:30:020
281602999148120,19cyclictest2880254-21kworker/u2:011:16:180
281602999148117,20cyclictest2880254-21kworker/u2:011:30:460
288223021390,2sleep02882231-21/usr/sbin/munin11:05:590
281602999134106,19cyclictest2901134-21kworker/u2:212:20:520
281602999133105,19cyclictest2825856-21kworker/u2:008:00:000
283219021170,2sleep02832192-21grep08:06:170
28160299911384,19cyclictest2825856-21kworker/u2:007:54:260
28160299911285,18cyclictest2849550-21kworker/u2:009:28:360
28160299910577,19cyclictest2825856-21kworker/u2:008:11:120
28160299910373,21cyclictest2849550-21kworker/u2:009:15:430
28160299910345,50cyclictest2841672-21ntpq08:40:410
28160299910232,16cyclictest2861258-21ntpq09:50:560
28160299910231,16cyclictest2880633-21memory11:00:320
28160299910229,18cyclictest2870991-21ntpq10:25:440
28160299910171,19cyclictest2876069-21kworker/u2:210:47:100
28160299910131,17cyclictest2818808-21munin-run07:20:010
28160299910131,16cyclictest2893366-21ntpq11:45:560
28160299910130,17cyclictest2863458-21systemctl10:00:010
28160299910129,19cyclictest2860042-21awk09:46:170
28160299910031,16cyclictest358-21snmpd09:10:530
28160299910030,16cyclictest2855303-21df09:30:140
28160299910029,15cyclictest2865357-21ntpq10:05:310
28160299910028,17cyclictest2890521-21ntpq11:35:480
2816029999973,18cyclictest2838828-21kworker/u2:208:58:450
2816029999929,16cyclictest2898889-21ntpq12:05:490
2816029999928,17cyclictest2908200-21latency_hist12:40:070
2816029999831,15cyclictest2834642-21ntpq08:15:340
2816029999829,16cyclictest2891865-21ntpq11:40:350
2816029999827,16cyclictest2906601-21chrt12:34:150
2816029999826,17cyclictest2873982-21processes10:36:160
2816029999727,17cyclictest2853768-21ls09:25:060
2816029999727,16cyclictest2819244-21cat07:20:310
2816029999622,19cyclictest1-21systemd12:05:030
2816029999614,20cyclictest2878032-21ntpq10:50:590
2816029999522,20cyclictest2835801-21cpu08:20:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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