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2025-09-17 - 13:22
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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 Wed Sep 17, 2025 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
293622822970,2sleep02936230-21cpu00:15:150
292496022750,3sleep02924961-21sh23:41:250
286261922660,3sleep02862620-21cat20:30:070
288448722490,2sleep02884488-21sshd21:40:440
284913522450,4chrt2849132-21ntpq19:40:420
291559922390,3chrt2915597-21ssh23:14:260
291322022370,3chrt2913217-21gzip23:06:540
289076622370,3chrt2890764-21sshd21:59:590
286365322370,3chrt1-21systemd20:32:390
292005822300,3chrt2920056-21sendmail_mailst23:26:560
293302922280,2sleep02933031-21cut00:05:350
289603722060,4chrt2896033-21ntpq22:16:370
292119422000,3sleep02921192-21if_wlan023:30:330
288774121990,3chrt2887733-21irqstats21:50:350
284026099197162,23cyclictest2931057-21b-backup00:00:010
287582521910,2sleep02875826-21cat21:15:370
290134021890,3chrt2901343-21tr22:31:570
289965921860,2sleep02899657-21sendmail_mailtr22:27:000
288628021840,2sleep02886281-21sh21:46:050
284026099184153,19cyclictest2840268-21kworker/u2:019:20:050
284026099184152,20cyclictest2847146-21kworker/u2:119:35:400
294345421830,4chrt2943452-21ssh00:36:300
285637521820,3sleep02856376-21mailstats20:06:210
284026099181151,19cyclictest2880241-21kworker/u2:121:30:060
284026099179149,19cyclictest2872967-21kworker/u2:221:10:070
290294821760,2sleep02902947-21/usr/sbin/munin22:36:540
284026099175145,20cyclictest84-21jbd2/mmcblk0p2-21:40:050
286851521700,4chrt2868513-21load20:50:280
284026099169139,18cyclictest2922576-21kworker/u2:223:35:300
293553821670,2sleep02935539-21rm00:12:330
284026099167136,20cyclictest84-21jbd2/mmcblk0p2-22:55:040
284026099167136,20cyclictest84-21jbd2/mmcblk0p2-00:05:050
290684021660,3chrt2906839-21ssh22:48:060
284026099166136,19cyclictest2896848-21kworker/u2:023:00:080
284026099165138,17cyclictest2939248-21kworker/u2:000:35:050
284026099165135,19cyclictest2896848-21kworker/u2:023:01:590
291816521640,4chrt2918163-21ssh23:21:270
287045721630,4chrt2870455-21users20:56:230
284026099163133,19cyclictest2851323-21kworker/u2:019:55:050
284026099163133,18cyclictest2883937-21kworker/u2:122:20:360
284026099159122,26cyclictest2941034-21kworker/u2:200:30:060
284026099157127,19cyclictest2867257-21kworker/u2:220:50:010
284026099156127,18cyclictest2876896-21kworker/u2:221:35:040
284026099154125,18cyclictest2874989-21kworker/u2:321:21:580
284026099153124,18cyclictest2892857-21kworker/u2:322:15:080
284026099153124,18cyclictest2852804-21kworker/u2:220:20:070
284026099152123,18cyclictest2917470-21kworker/u2:300:25:090
284026099152122,19cyclictest84-21jbd2/mmcblk0p2-20:20:360
284026099151121,19cyclictest2852804-21kworker/u2:220:05:030
284026099151120,19cyclictest2837949-21kworker/u2:219:10:070
284026099148118,19cyclictest2925863-21kworker/u2:123:46:040
284026099147117,20cyclictest2852804-21kworker/u2:220:15:030
284026099147117,19cyclictest2925863-21kworker/u2:123:55:090
284026099144117,16cyclictest2899933-21kworker/u2:222:45:060
284026099142112,19cyclictest2840268-21kworker/u2:019:20:320
284026099140112,17cyclictest2869532-21kworker/u2:021:00:340
284026099139111,18cyclictest2911850-21kworker/u2:123:15:430
284026099139108,20cyclictest2840268-21kworker/u2:019:26:180
284026099138109,19cyclictest2874989-21kworker/u2:321:15:120
284026099137106,20cyclictest2848644-21kworker/u2:219:45:330
284026099135106,19cyclictest2852804-21kworker/u2:220:00:050
284722321340,2sleep02847227-21cut19:35:000
284026099134104,19cyclictest2888788-21kworker/u2:022:02:340
284026099133106,17cyclictest2883937-21kworker/u2:122:10:130
284026099132101,20cyclictest84-21jbd2/mmcblk0p2-20:35:110
28402609912696,19cyclictest2840268-21kworker/u2:019:11:080
28402609912494,19cyclictest2865367-21kworker/u2:120:41:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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