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2026-04-01 - 07:52
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 rackfslot4.osadl.org (updated Wed Apr 01, 2026 00:45:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
693423110,2sleep10-21swapper/121:26:451
621223110,13sleep225-21ksoftirqd/222:35:392
2866823110,2sleep228666-21modprobe19:25:002
2739123060,2sleep10-21swapper/120:59:351
955523050,1sleep25735-21kworker/u8:123:55:272
766823050,1sleep17408-21kworker/u8:120:00:001
2459023030,2sleep10-21swapper/122:05:301
1097323020,5sleep119-21ksoftirqd/100:00:001
715522980,2sleep20-21swapper/221:27:472
849222960,2sleep20-21swapper/220:00:262
849222960,2sleep20-21swapper/220:00:252
1868122910,2sleep118645-21ssh23:05:011
1661822910,1sleep215632-21kworker/u8:620:25:272
1282022890,1sleep2121rcu_preempt00:03:072
3100222880,6sleep1121rcu_preempt21:10:121
2379922860,3sleep223777-21/usr/sbin/munin19:10:002
2306222860,2sleep10-21swapper/119:05:381
1720022840,1sleep215937-21kworker/u8:521:50:232
501822830,2sleep20-21swapper/219:50:202
141422810,1sleep130061-21kworker/u8:319:40:141
2600722800,2sleep20-21swapper/219:15:242
528322790,2sleep10-21swapper/119:50:281
1769022790,3sleep20-21swapper/200:15:332
1769022790,3sleep20-21swapper/200:15:322
329222780,2sleep10-21swapper/119:45:171
329222780,2sleep10-21swapper/119:45:161
2482622770,1sleep223010-21kworker/u8:900:30:452
2694422760,1sleep125334-21kworker/u8:2322:10:321
3016522750,1sleep129220-21kworker/u8:723:30:121
2730322750,1sleep126781-21kworker/u8:1019:20:161
2704022750,2sleep10-21swapper/100:35:341
858422740,1sleep17013-21kworker/u8:1321:30:311
195522740,2sleep20-21swapper/219:40:242
2892422730,1sleep228441-21kworker/u8:1819:25:172
1346222730,2sleep10-21swapper/120:15:331
1346222730,2sleep10-21swapper/120:15:321
1185322730,2sleep231487-1kworker/u9:022:49:542
2264722720,2sleep2241rcuc/200:25:422
1955222720,3sleep219550-21ntpq23:05:302
1955222720,3sleep219550-21ntpq23:05:292
3164222710,2sleep20-21swapper/222:20:382
3080222710,2sleep229220-21kworker/u8:723:30:312
787922700,1sleep22299-21kworker/u8:322:40:172
733522700,2sleep12299-21kworker/u8:322:40:001
479822700,2sleep10-21swapper/123:45:201
3250522700,3sleep232504-21ssh21:12:392
2975322690,2sleep20-21swapper/222:16:372
2975322690,2sleep20-21swapper/222:16:362
2013322690,2sleep10-21swapper/121:55:371
787222680,1sleep229216-21kworker/u8:323:50:562
512722680,2sleep20-21swapper/221:24:012
2561022680,2sleep10-21swapper/120:54:591
1017322680,2sleep110172-21ssh21:35:141
2784822670,2sleep20-21swapper/222:13:192
2428022670,1sleep120300-21kworker/u8:519:10:201
2407922670,2sleep124076-21ssh23:15:331
1241822670,2sleep212417-21df22:50:182
1494922660,1sleep17013-21kworker/u8:1321:45:191
1494922660,1sleep17013-21kworker/u8:1321:45:191
2634522650,2sleep226341-21ssh23:20:342
2420522650,2sleep20-21swapper/220:50:112
1176022650,1sleep210705-21kworker/u8:920:10:262
852122640,2sleep28513-21ssh21:30:282
408122640,2sleep10-21swapper/123:44:201
2885322640,3sleep228818-21ssh23:25:392
2157822640,1sleep120434-21kworker/u8:1420:40:291
1987922640,1sleep118377-21kworker/u8:200:20:261
1600022640,2sleep20-21swapper/200:11:342
155822640,1sleep225326-21kworker/u8:1522:25:422
1181922640,1sleep110702-21kworker/u8:320:10:301
2833422630,2sleep10-21swapper/121:00:361
2833422630,2sleep10-21swapper/121:00:351
1495922630,1sleep211583-21kworker/u8:821:45:202
1495922630,1sleep211583-21kworker/u8:821:45:202
392022620,1sleep225-21ksoftirqd/222:30:362
1509922620,2sleep20-21swapper/220:20:312
3265322610,1sleep125326-21kworker/u8:1522:24:351
2326922610,4sleep123268-21ssh22:03:061
2630622600,2sleep10-21swapper/119:15:341
225722600,4sleep1181rcuc/122:27:211
1513022600,1sleep110704-21kworker/u8:820:20:351
1426822600,1sleep113836-21kworker/u8:200:09:011
1340122600,2sleep20-21swapper/220:15:302
1340122600,2sleep20-21swapper/220:15:302
59222590,2sleep1591-21ssh23:35:311
1268422590,2sleep212683-21df_inode21:40:172
245022580,3sleep22447-21aten2.4-expect23:40:182
1995422580,2sleep20-21swapper/220:35:322
2846622570,1sleep125327-21kworker/u8:1622:15:111
2846622570,1sleep125327-21kworker/u8:1622:15:111
2591022570,1sleep122784-21kworker/u8:600:34:181
2186222570,1sleep115809-21kworker/u8:523:10:361
151922570,2sleep10-21swapper/121:15:321
1205322570,1sleep211583-21kworker/u8:821:39:372
339122560,2sleep13390-21ssh21:20:141
2461122560,2sleep27003-21kworker/u8:022:05:322
1960722560,1sleep115807-21kworker/u8:023:05:331
1960722560,1sleep115807-21kworker/u8:023:05:321
1853022560,1sleep118438-21kworker/u8:321:52:071
1129222560,2sleep123837-21cyclictest22:47:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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