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2026-06-03 - 03:56
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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 Wed Jun 03, 2026 00:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1211222070,8sleep1131rcu_preempt19:10:481
2225821150,3chrt0-21swapper/321:15:283
2225821150,3chrt0-21swapper/321:15:283
42832980,2sleep30-21swapper/322:51:333
42832980,2sleep30-21swapper/322:51:333
288202980,3sleep00-21swapper/000:38:370
288202980,3sleep00-21swapper/000:38:370
321872920,2chrt0-21swapper/221:26:242
321872920,2chrt0-21swapper/221:26:242
321872920,2chrt0-21swapper/221:26:242
58522880,5sleep012-21ksoftirqd/000:10:350
58522880,5sleep012-21ksoftirqd/000:10:350
58522880,5sleep012-21ksoftirqd/000:10:350
215542810,2sleep10-21swapper/100:30:341
215542810,2sleep10-21swapper/100:30:341
242572760,3sleep123569-21/usr/sbin/munin19:55:321
242572760,3sleep123569-21/usr/sbin/munin19:55:321
247262750,2sleep20-21swapper/200:34:372
247262750,2sleep20-21swapper/200:34:372
157112720,3sleep015691-21ssh23:05:370
157112720,3sleep015691-21ssh23:05:370
310492710,4sleep30-21swapper/321:25:283
310492710,4sleep30-21swapper/321:25:283
310492710,4sleep30-21swapper/321:25:283
199222680,2sleep10-21swapper/121:12:001
199222680,2sleep10-21swapper/121:12:001
199222680,2sleep10-21swapper/121:12:001
120682670,3sleep10-21swapper/123:01:031
120682670,3sleep10-21swapper/123:01:031
120682670,3sleep10-21swapper/123:01:031
115322670,2chrt0-21swapper/100:18:281
115322670,2chrt0-21swapper/100:18:281
120952660,2sleep210715-21ls19:10:382
51292650,3sleep10-21swapper/122:53:081
51292650,3sleep10-21swapper/122:53:081
256522640,3sleep30-21swapper/323:55:353
256522640,3sleep30-21swapper/323:55:353
165142640,2sleep30-21swapper/323:06:563
165142640,2sleep30-21swapper/323:06:563
183972570,3chrt0-21swapper/322:29:513
183972570,3chrt0-21swapper/322:29:513
50892560,3chrt0-21swapper/022:11:150
50892560,3chrt0-21swapper/022:11:150
50892560,3chrt0-21swapper/022:11:150
59612550,3chrt0-21swapper/323:32:363
59612550,3chrt0-21swapper/323:32:363
59612550,3chrt0-21swapper/323:32:363
81382540,1sleep08219-21strings23:35:280
81382540,1sleep08219-21strings23:35:280
81382540,1sleep08219-21strings23:35:280
75162530,2sleep07533-21ssh23:35:200
75162530,2sleep07533-21ssh23:35:200
75162530,2sleep07533-21ssh23:35:200
230392530,3sleep00-21swapper/022:35:260
256132510,3sleep00-21swapper/020:00:260
256132510,3sleep00-21swapper/020:00:260
256132510,3sleep00-21swapper/020:00:260
131902510,3sleep10-21swapper/119:20:121
120232500,4sleep10-21swapper/121:41:421
120232500,4sleep10-21swapper/121:41:421
112952480,3sleep010715-21ls19:10:280
257582460,2sleep025770-21sh23:17:230
257582460,2sleep025770-21sh23:17:230
257582460,2sleep025770-21sh23:17:230
96082440,2sleep30-21swapper/322:17:333
96082440,2sleep30-21swapper/322:17:333
96082440,2sleep30-21swapper/322:17:333
284782440,3sleep00-21swapper/020:07:370
284782440,3sleep00-21swapper/020:07:370
284782440,3sleep00-21swapper/020:07:370
185612440,3chrt0-21swapper/021:10:300
185612440,3chrt0-21swapper/021:10:300
185612440,3chrt0-21swapper/021:10:300
204842430,3sleep00-21swapper/022:31:240
204842430,3sleep00-21swapper/022:31:240
67352420,3sleep10-21swapper/100:12:011
67352420,3sleep10-21swapper/100:12:011
67352420,3sleep10-21swapper/100:12:011
300792420,2sleep10-21swapper/121:24:581
300792420,2sleep10-21swapper/121:24:581
297512410,3sleep20-21swapper/220:10:322
297512410,3sleep20-21swapper/220:10:322
7352400,2sleep0856-21mailstats20:20:320
7352400,2sleep0856-21mailstats20:20:320
51272400,2chrt0-21swapper/122:11:201
51272400,2chrt0-21swapper/122:11:201
51272400,2chrt0-21swapper/122:11:201
266152390,3sleep00-21swapper/023:56:570
266152390,3sleep00-21swapper/023:56:570
1215699391,14cyclictest4170-21ntp_states22:10:312
1215699391,14cyclictest4170-21ntp_states22:10:312
1215699391,14cyclictest4170-21ntp_states22:10:312
189472380,4sleep00-21swapper/023:10:270
189472380,4sleep00-21swapper/023:10:270
17562380,3sleep11753-21find00:05:381
17562380,3sleep11753-21find00:05:381
149472380,3sleep30-21swapper/319:25:123
149472380,3sleep30-21swapper/319:25:123
146032370,3sleep20-21swapper/222:24:512
146032370,3sleep20-21swapper/222:24:512
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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