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2026-05-24 - 17:37
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack4slot1.osadl.org (updated Sun May 24, 2026 12:45:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2524621460,3sleep30-21swapper/310:21:473
2524621460,3sleep30-21swapper/310:21:473
32021410,3sleep10-21swapper/109:12:131
216921050,3sleep10-21swapper/111:50:511
216921050,3sleep10-21swapper/111:50:511
216921050,3sleep10-21swapper/111:50:511
193432980,4sleep00-21swapper/007:10:240
193432980,4sleep00-21swapper/007:10:240
12932900,2chrt1291-21ssh11:11:120
12932900,2chrt1291-21ssh11:11:120
12932900,2chrt1291-21ssh11:11:120
51602850,2sleep30-21swapper/309:59:133
51602850,2sleep30-21swapper/309:59:133
321162850,4sleep39810-21kworker/3:011:10:143
321162850,4sleep39810-21kworker/3:011:10:143
86782830,3sleep30-21swapper/310:42:173
86782830,3sleep30-21swapper/310:42:173
244102800,3chrt0-21swapper/110:20:251
244102800,3chrt0-21swapper/110:20:251
204262780,3chrt0-21swapper/009:35:590
204262780,3chrt0-21swapper/009:35:590
204262780,3chrt0-21swapper/009:35:590
95562710,2sleep29574-21sh10:05:082
95562710,2sleep29574-21sh10:05:082
208992680,3chrt0-21swapper/109:36:561
208992680,3chrt0-21swapper/109:36:561
208992680,3chrt0-21swapper/109:36:561
32322650,3chrt0-21swapper/009:15:210
32322650,3chrt0-21swapper/009:15:210
68712580,3chrt0-21swapper/312:37:113
68712580,3chrt0-21swapper/312:37:113
184412580,3chrt0-21swapper/311:32:053
184412580,3chrt0-21swapper/311:32:053
270412570,2sleep00-21swapper/010:25:100
270412570,2sleep00-21swapper/010:25:100
174482560,3sleep10-21swapper/110:52:041
283182540,3sleep30-21swapper/310:25:253
283182540,3sleep30-21swapper/310:25:253
283182540,3sleep30-21swapper/310:25:253
185602540,2sleep218568-21ssh11:32:172
185602540,2sleep218568-21ssh11:32:172
38872530,9sleep333-21ksoftirqd/309:15:323
38872530,9sleep333-21ksoftirqd/309:15:323
299902530,3sleep30-21swapper/307:40:163
299902530,3sleep30-21swapper/307:40:163
299902530,3sleep30-21swapper/307:40:163
102942500,2sleep10-21swapper/112:01:281
102942500,2sleep10-21swapper/112:01:281
300592490,2sleep030068-21ssh12:26:480
300592490,2sleep030068-21ssh12:26:480
277622480,3sleep10-21swapper/110:25:191
277622480,3sleep10-21swapper/110:25:191
277622480,3sleep10-21swapper/110:25:191
23212480,3chrt0-21swapper/312:32:133
23212480,3chrt0-21swapper/312:32:133
9772450,3sleep20-21swapper/211:10:332
9772450,3sleep20-21swapper/211:10:332
9772450,3sleep20-21swapper/211:10:332
224992450,2sleep30-21swapper/311:36:153
174582450,2sleep217494-21latency_hist08:35:102
174582450,2sleep217494-21latency_hist08:35:102
199132440,3sleep00-21swapper/011:34:230
199132440,3sleep00-21swapper/011:34:230
182812440,3sleep20-21swapper/209:34:282
182812440,3sleep20-21swapper/209:34:282
143122440,3sleep00-21swapper/012:06:380
143122440,3sleep00-21swapper/012:06:380
122482430,2sleep00-21swapper/010:46:040
122482430,2sleep00-21swapper/010:46:040
64572420,3sleep00-21swapper/010:00:180
64572420,3sleep00-21swapper/010:00:180
1990599421,27cyclictest817-21runrttasks07:53:561
1990599421,27cyclictest817-21runrttasks07:53:561
1990599421,27cyclictest817-21runrttasks07:53:561
146812420,3sleep30-21swapper/312:07:223
146812420,3sleep30-21swapper/312:07:223
295332400,2sleep30-21swapper/307:40:043
295332400,2sleep30-21swapper/307:40:043
1990599390,11cyclictest4261-21ssh10:36:151
1990599390,11cyclictest4261-21ssh10:36:151
261832380,3chrt0-21swapper/109:44:361
261832380,3chrt0-21swapper/109:44:361
261832380,3chrt0-21swapper/109:44:361
206872380,3sleep00-21swapper/012:15:180
206872380,3sleep00-21swapper/012:15:180
1990599371,7cyclictest9518-21rm11:22:011
1990599371,7cyclictest9518-21rm11:22:011
1990599371,6cyclictest719-21cat11:10:261
1990599371,6cyclictest719-21cat11:10:261
1990599371,6cyclictest719-21cat11:10:261
1990599371,6cyclictest26288-21runrttasks11:01:551
1990599371,6cyclictest26288-21runrttasks11:01:551
33362360,2sleep03453-21mailstats10:35:240
33362360,2sleep03453-21mailstats10:35:240
303392360,3sleep00-21swapper/011:07:140
303392360,3sleep00-21swapper/011:07:140
1990599361,4cyclictest29341-21ntp_states09:05:211
1990599361,4cyclictest29341-21ntp_states09:05:211
1990599361,4cyclictest29341-21ntp_states09:05:211
1990599361,31cyclictest7440-21cat08:05:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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