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2026-06-15 - 07:46
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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 Mon Jun 15, 2026 00:45:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
150421020,2sleep10-21swapper/120:05:431
150421020,2sleep10-21swapper/120:05:431
150421020,2sleep10-21swapper/120:05:431
127232980,3sleep20-21swapper/223:34:192
127232980,3sleep20-21swapper/223:34:192
148492930,4chrt0-21swapper/100:15:461
148492930,4chrt0-21swapper/100:15:461
175532910,2sleep117647-21missed_timers19:20:391
175532910,2sleep117647-21missed_timers19:20:391
170592900,3chrt0-21swapper/222:20:322
170592900,3chrt0-21swapper/222:20:322
145042820,3sleep214629-21/usr/sbin/munin19:10:482
290172770,3sleep10-21swapper/123:14:241
290172770,3sleep10-21swapper/123:14:241
290172770,3sleep10-21swapper/123:14:241
150882750,3sleep10-21swapper/121:39:111
150882750,3sleep10-21swapper/121:39:111
150882750,3sleep10-21swapper/121:39:111
150882750,3sleep10-21swapper/121:39:111
9012740,3sleep30-21swapper/322:40:343
9012740,3sleep30-21swapper/322:40:343
65522740,3sleep214708-21cyclictest00:05:422
65522740,3sleep214708-21cyclictest00:05:422
65522740,3sleep214708-21cyclictest00:05:422
256452740,3sleep20-21swapper/221:10:472
256452740,3sleep20-21swapper/221:10:472
256452740,3sleep20-21swapper/221:10:472
144272690,3sleep20-21swapper/220:40:452
144272690,3sleep20-21swapper/220:40:452
146482660,4sleep00-21swapper/019:10:500
156972630,3chrt0-21swapper/123:37:111
10182630,3chrt0-21swapper/300:38:503
10182630,3chrt0-21swapper/300:38:503
259572600,3sleep20-21swapper/222:30:452
259572600,3sleep20-21swapper/222:30:452
259572600,3sleep20-21swapper/222:30:452
134582600,2sleep112220-21kworker/1:019:10:341
87792580,3chrt0-21swapper/100:08:541
87792580,3chrt0-21swapper/100:08:541
87792580,3chrt0-21swapper/100:08:541
65912580,3sleep10-21swapper/122:09:581
47782580,3chrt0-21swapper/200:03:532
47782580,3chrt0-21swapper/200:03:532
47782580,3chrt0-21swapper/200:03:532
311682580,3sleep10-21swapper/123:15:531
311682580,3sleep10-21swapper/123:15:531
71632540,3sleep30-21swapper/321:29:053
71632540,3sleep30-21swapper/321:29:053
71632540,3sleep30-21swapper/321:29:053
16982540,2sleep3321rcuc/322:03:413
16982540,2sleep3321rcuc/322:03:413
16982540,2sleep3321rcuc/322:03:413
129962530,2sleep114708-21cyclictest20:36:421
189532520,4sleep218943-21ssh23:40:422
189532520,4sleep218943-21ssh23:40:422
189532520,4sleep218943-21ssh23:40:422
1470999523,26cyclictest3388-21ssh00:01:080
1470999523,26cyclictest3388-21ssh00:01:080
1470999523,26cyclictest3388-21ssh00:01:080
135872520,2sleep113598-21sh22:15:581
135872520,2sleep113598-21sh22:15:581
103752490,4sleep333-21ksoftirqd/323:30:423
103752490,4sleep333-21ksoftirqd/323:30:423
110962480,6sleep333-21ksoftirqd/300:10:493
110962480,6sleep333-21ksoftirqd/300:10:493
110962480,6sleep333-21ksoftirqd/300:10:493
70052470,4chrt0-21swapper/323:26:123
70052470,4chrt0-21swapper/323:26:123
70052470,4chrt0-21swapper/323:26:123
288542470,3sleep10-21swapper/123:53:111
288542470,3sleep10-21swapper/123:53:111
298112460,2sleep30-21swapper/321:57:543
298112460,2sleep30-21swapper/321:57:543
298112460,2sleep30-21swapper/321:57:543
298112460,2sleep30-21swapper/321:57:543
291062460,3chrt0-21swapper/200:33:152
291062460,3chrt0-21swapper/200:33:152
264392460,2sleep20-21swapper/223:10:402
264392460,2sleep20-21swapper/223:10:402
264392460,2sleep20-21swapper/223:10:402
171402460,3sleep10-21swapper/120:50:321
171402460,3sleep10-21swapper/120:50:321
1470999453,23cyclictest1805-21ssh00:00:280
1470999453,23cyclictest1805-21ssh00:00:280
1470999453,23cyclictest1805-21ssh00:00:280
188542420,3sleep30-21swapper/320:55:283
188542420,3sleep30-21swapper/320:55:283
144612420,3sleep30-21swapper/322:55:543
82922410,5sleep18288-21fschecks_count20:25:371
82922410,5sleep18288-21fschecks_count20:25:371
281322410,3sleep00-21swapper/000:31:280
281322410,3sleep00-21swapper/000:31:280
216282410,2sleep00-21swapper/019:30:460
216282410,2sleep00-21swapper/019:30:460
317382400,3sleep20-21swapper/221:19:392
317382400,3sleep20-21swapper/221:19:392
317382400,3sleep20-21swapper/221:19:392
109422400,3sleep30-21swapper/321:33:383
109422400,3sleep30-21swapper/321:33:383
109422400,3sleep30-21swapper/321:33:383
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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