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2025-12-09 - 23:06
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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 Tue Dec 09, 2025 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
243436210620,4sleep0243433-21ntpq07:05:270
30349722940,3chrt303481-21ntpq10:25:590
30003422660,3sleep0300035-21ssh10:15:380
30507922650,3chrt305062-21ntpq10:30:470
33279522630,2sleep0332797-21basename11:55:010
29351522620,4chrt293500-21ntpq09:55:470
34353222610,2sleep0343534-21rm12:26:460
33989822590,4chrt339884-21ntpq12:15:430
34457822440,3chrt344576-21df12:30:150
27855722440,3chrt278555-21ld09:11:070
26833622440,3sleep0268339-21grep08:35:130
31851022420,4chrt318507-21ntpq11:11:050
28987522420,2sleep0289876-21/usr/sbin/munin09:45:150
26463822420,3chrt264636-21ntpq08:21:070
32199222400,3chrt321990-21ntpq11:21:400
29620122370,3chrt296202-21sshd10:04:320
33388322310,3chrt333882-21/usr/sbin/munin11:56:570
26397422180,2sleep0263975-21sh08:19:590
34286122120,2sleep0342859-21cat12:25:110
24440299209177,20cyclictest84-21jbd2/mmcblk0p2-11:35:060
24440299208179,18cyclictest294312-21kworker/u2:110:21:300
24440299204175,18cyclictest309079-21kworker/u2:010:46:290
30873221990,2sleep0308730-21rt-features10:41:470
24440299195165,19cyclictest312622-21kworker/u2:311:00:060
26826521940,2sleep0268268-21wc08:35:070
31542321900,2sleep0315424-21/usr/sbin/munin11:01:510
27990221880,3sleep0279900-21forks09:15:260
24440299188159,19cyclictest305956-21kworker/u2:211:45:040
28897721860,3chrt288143-21/usr/sbin/munin09:41:530
28708721860,3sleep0287088-21sshd09:36:300
24440299186153,22cyclictest326914-21ntpq11:36:290
24440299185157,17cyclictest252530-21kworker/u2:307:46:070
24440299185153,19cyclictest29-21kswapd007:41:050
24440299183154,18cyclictest310934-21kworker/u2:110:51:320
24440299182152,19cyclictest291079-21kworker/u2:310:40:060
33949421800,3sleep0339496-21sort12:15:090
24440299180149,20cyclictest327289-21kworker/u2:312:05:040
24440299179151,18cyclictest297509-21kworker/u2:010:10:070
32464321760,3chrt324646-21latency_hist11:30:100
24440299176143,22cyclictest252603-21time-dir07:38:170
24440299175146,18cyclictest269897-21kworker/u2:008:50:030
24440299175146,17cyclictest240674-21kworker/u2:007:20:050
24440299174146,17cyclictest282618-21kworker/u2:009:31:580
27793821730,2sleep0277939-21munin-plugin-st09:10:010
24440299173145,16cyclictest247213-21kworker/u2:207:35:070
24440299173142,21cyclictest29-21kswapd011:16:300
24440299172141,19cyclictest291079-21kworker/u2:310:15:050
24440299172135,25cyclictest272369-21kworker/u2:209:20:130
27577621710,3chrt275767-21ntpq09:01:030
24440299171144,17cyclictest312622-21kworker/u2:311:06:280
24440299171143,17cyclictest272369-21kworker/u2:209:51:490
24440299170143,17cyclictest256951-21kworker/u2:007:55:050
24440299170140,19cyclictest282618-21kworker/u2:009:26:540
26018621690,4chrt260189-21latency08:05:270
24440299166135,20cyclictest29-21kswapd012:06:300
24440299163135,16cyclictest258434-21kworker/u2:108:05:070
24440299162132,19cyclictest265172-21kworker/u2:108:25:320
24440299162132,18cyclictest261696-21kworker/u2:008:15:070
24440299159131,18cyclictest272369-21kworker/u2:209:00:010
24440299159130,18cyclictest244407-21kworker/u2:107:11:190
24440299158130,17cyclictest248614-21kworker/u2:107:30:070
24440299157128,18cyclictest252530-21kworker/u2:307:55:410
24440299147120,17cyclictest329431-21kworker/u2:111:50:070
24440299146117,19cyclictest272369-21kworker/u2:208:51:370
24440299141115,15cyclictest240674-21kworker/u2:007:20:230
24440299136106,19cyclictest345581-21kworker/u2:312:39:300
2444029912798,18cyclictest265172-21kworker/u2:108:40:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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