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2026-06-07 - 11:43
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack3slot0.osadl.org (updated Sun Jun 07, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
193662750,1sleep1721-21dbus-daemon00:26:191
195492740,2sleep22584099cyclictest21:53:552
2538925450,1sleep70-21swapper/719:04:087
195602520,0sleep40-21swapper/423:42:494
116932520,0sleep70-21swapper/723:34:277
271962510,1sleep427178-21bash22:05:504
185072510,0sleep20-21swapper/222:11:012
185072510,0sleep20-21swapper/222:11:012
104362510,0sleep01-21systemd22:50:390
90312500,0sleep40-21swapper/422:37:224
301742500,0sleep20-21swapper/223:24:132
2546325025,9sleep30-21swapper/319:05:083
283952490,0sleep70-21swapper/722:11:387
283952490,0sleep70-21swapper/722:11:387
195942490,1sleep31-21systemd21:36:343
326312480,0sleep70-21swapper/700:15:527
255842480,1sleep125-21ksoftirqd/121:29:191
2561524725,8sleep50-21swapper/519:07:105
309672460,1sleep030960-21sshd23:14:500
302462460,0sleep30-21swapper/322:48:023
119362460,1sleep011932-21systemd00:10:560
317362450,0sleep7711rcuc/722:44:137
146432450,1sleep014644-21grep23:27:070
98792440,0sleep60-21swapper/621:53:276
307452440,1sleep330740-21systemd00:23:173
220282440,0sleep30-21swapper/321:54:043
213142440,0sleep60-21swapper/600:30:096
74192430,2sleep72587099cyclictest23:19:057
171132430,0sleep50-21swapper/523:52:115
67162420,0sleep70-21swapper/723:09:367
67162420,0sleep70-21swapper/723:09:367
258082420,0sleep20-21swapper/222:02:032
233152420,0sleep30-21swapper/322:18:543
2545824128,9sleep00-21swapper/019:05:050
223162410,0sleep70-21swapper/700:09:357
100802410,0sleep310056-21sshd21:49:393
2565324027,9sleep60-21swapper/619:07:436
2550224029,8sleep20-21swapper/219:05:392
252932400,0sleep60-21swapper/600:26:406
122982400,0sleep10-21swapper/123:34:291
256142390,0sleep60-21swapper/621:43:016
2545023927,9sleep10-21swapper/119:04:581
2537723927,9sleep40-21swapper/419:03:574
112112390,0sleep10-21swapper/121:57:301
102222390,0sleep40-21swapper/400:08:524
102052390,0sleep10-21swapper/123:30:371
102692380,0sleep00-21swapper/022:54:320
320162370,0sleep00-21swapper/021:45:120
94262360,0sleep50-21swapper/521:08:565
167852360,0sleep00-21swapper/023:19:380
284042340,0sleep00-21swapper/021:43:110
25829992720,6cyclictest9-21ksoftirqd/021:18:320
154072270,0sleep415408-21sshd21:11:364
25829992314,9cyclictest9-21ksoftirqd/023:52:160
2582999202,6cyclictest0-21swapper/000:31:020
2582999198,5cyclictest0-21swapper/021:29:440
25829991915,1cyclictest9-21ksoftirqd/023:31:100
2582999190,11cyclictest11453-21kworker/0:000:17:040
25829991813,4cyclictest9-21ksoftirqd/021:23:260
25829991812,6cyclictest9-21ksoftirqd/022:06:160
25829991811,2cyclictest9-21ksoftirqd/022:47:380
252012180,0sleep70-21swapper/722:59:197
219062180,1sleep52585999cyclictest22:47:325
95412170,0sleep70-21swapper/722:43:017
25829991716,1cyclictest9-21ksoftirqd/022:13:410
25829991715,1cyclictest9-21ksoftirqd/021:17:560
25829991711,1cyclictest9-21ksoftirqd/022:29:380
25829991711,1cyclictest9-21ksoftirqd/021:10:100
256502170,0sleep50-21swapper/522:13:285
207262170,0sleep10-21swapper/121:25:181
63052160,0sleep60-21swapper/622:52:216
47742160,0sleep50-21swapper/523:26:325
27602160,0sleep10-21swapper/123:15:071
2582999169,4cyclictest9-21ksoftirqd/021:52:280
2582999165,5cyclictest0-21swapper/019:33:300
2582999164,12cyclictest9-21ksoftirqd/019:41:340
25829991615,1cyclictest9-21ksoftirqd/023:34:360
25829991614,2cyclictest9-21ksoftirqd/000:02:580
25829991611,3cyclictest9-21ksoftirqd/022:33:500
25829991610,5cyclictest9-21ksoftirqd/000:04:100
133092160,2sleep12583399cyclictest21:42:161
36862150,0sleep50-21swapper/521:43:325
25867991513,1cyclictest65-21ksoftirqd/600:02:496
25849991510,4cyclictest49-21ksoftirqd/421:21:244
2582999159,5cyclictest14892-21sshd23:06:220
2582999158,6cyclictest11636-21sshd22:20:080
2582999157,5cyclictest9-21ksoftirqd/021:33:220
2582999157,2cyclictest0-21swapper/023:01:060
2582999156,8cyclictest9-21ksoftirqd/022:01:420
2582999153,11cyclictest464-21systemd-journal23:54:480
25829991514,1cyclictest9-21ksoftirqd/023:38:380
25829991514,1cyclictest9-21ksoftirqd/000:23:180
25829991513,2cyclictest9-21ksoftirqd/022:38:490
25829991513,1cyclictest9-21ksoftirqd/023:46:370
25829991512,2cyclictest9-21ksoftirqd/022:09:410
25829991512,2cyclictest9-21ksoftirqd/022:09:410
25829991510,5cyclictest9-21ksoftirqd/000:34:300
2582999150,9cyclictest0-21swapper/019:48:240
70262140,0sleep20-21swapper/222:35:192
56382140,0sleep6631rcuc/623:20:576
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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