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2026-06-13 - 12:56
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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 Sat Jun 13, 2026 00:45:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1627321140,4sleep10-21swapper/120:45:321
1627321140,4sleep10-21swapper/120:45:321
306421070,3sleep30-21swapper/323:23:053
306421070,3sleep30-21swapper/323:23:053
3052121050,3chrt0-21swapper/323:16:223
3052121050,3chrt0-21swapper/323:16:223
3052121050,3chrt0-21swapper/323:16:223
3149121030,3sleep30-21swapper/321:17:423
3149121030,3sleep30-21swapper/321:17:423
2617121030,4sleep224976-21/usr/sbin/munin23:10:422
2617121030,4sleep224976-21/usr/sbin/munin23:10:422
2617121030,4sleep224976-21/usr/sbin/munin23:10:422
36612970,4sleep23655-21gzip00:00:422
36612970,4sleep23655-21gzip00:00:422
103382940,4chrt0-21swapper/300:09:353
103382940,4chrt0-21swapper/300:09:353
282562880,3sleep30-21swapper/323:50:423
282562880,3sleep30-21swapper/323:50:423
290542860,3chrt0-21swapper/200:30:442
290542860,3chrt0-21swapper/200:30:442
290542860,3chrt0-21swapper/200:30:442
261922860,3sleep20-21swapper/222:30:392
261922860,3sleep20-21swapper/222:30:392
261922860,3sleep20-21swapper/222:30:392
255372850,3sleep10-21swapper/119:40:341
255372850,3sleep10-21swapper/119:40:341
255372850,3sleep10-21swapper/119:40:341
242082840,3sleep30-21swapper/319:35:423
242082840,3sleep30-21swapper/319:35:423
238892840,8sleep223893-21missed_timers19:35:372
238892840,8sleep223893-21missed_timers19:35:372
196602820,3chrt0-21swapper/319:25:253
196602820,3chrt0-21swapper/319:25:253
37322790,4sleep20-21swapper/222:41:572
37322790,4sleep20-21swapper/222:41:572
37322790,4sleep20-21swapper/222:41:572
196452780,2chrt0-21swapper/219:25:242
196452780,2chrt0-21swapper/219:25:242
45122760,2sleep227-21ksoftirqd/223:25:292
45122760,2sleep227-21ksoftirqd/223:25:292
270492750,4sleep226930-21/usr/sbin/munin19:45:332
270492750,4sleep226930-21/usr/sbin/munin19:45:332
13812680,4sleep11380-21strings21:20:371
13812680,4sleep11380-21strings21:20:371
13812680,4sleep11380-21strings21:20:371
150362650,4sleep30-21swapper/322:56:083
150362650,4sleep30-21swapper/322:56:083
150362650,4sleep30-21swapper/322:56:083
16022640,4chrt0-21swapper/222:40:242
16022640,4chrt0-21swapper/222:40:242
88992630,2sleep09022-21wc20:25:310
88992630,2sleep09022-21wc20:25:310
79882610,4chrt0-21swapper/322:08:383
79882610,4chrt0-21swapper/322:08:383
256852590,5sleep121-21ksoftirqd/123:10:371
108082590,3sleep10-21swapper/121:31:501
108082590,3sleep10-21swapper/121:31:501
263532560,7sleep012-21ksoftirqd/023:49:110
263532560,7sleep012-21ksoftirqd/023:49:110
263532560,7sleep012-21ksoftirqd/023:49:110
197942560,3chrt0-21swapper/323:40:383
197942560,3chrt0-21swapper/323:40:383
16692560,4chrt33-21ksoftirqd/323:58:263
16692560,4chrt33-21ksoftirqd/323:58:263
16692560,4chrt33-21ksoftirqd/323:58:263
16692560,4chrt33-21ksoftirqd/323:58:263
95802550,3sleep30-21swapper/323:30:333
95802550,3sleep30-21swapper/323:30:333
295072540,3sleep20-21swapper/223:15:372
295072540,3sleep20-21swapper/223:15:372
295072540,3sleep20-21swapper/223:15:372
190092530,3chrt0-21swapper/300:19:443
90232510,2sleep19109-21fschecks_count20:25:321
277542500,3chrt0-21swapper/322:32:453
277542500,3chrt0-21swapper/322:32:453
277542500,3chrt0-21swapper/322:32:453
124162500,8sleep227-21ksoftirqd/222:14:192
124162500,8sleep227-21ksoftirqd/222:14:192
124162500,8sleep227-21ksoftirqd/222:14:192
155452490,3sleep014151-21ls19:11:000
155452490,3sleep014151-21ls19:11:000
209342480,2sleep10-21swapper/120:55:451
209342480,2sleep10-21swapper/120:55:451
142242480,4sleep30-21swapper/322:15:413
142242480,4sleep30-21swapper/322:15:413
99472460,4sleep30-21swapper/320:25:413
99472460,4sleep30-21swapper/320:25:413
89382450,3chrt0-21swapper/322:49:213
89382450,3chrt0-21swapper/322:49:213
89382450,3chrt0-21swapper/322:49:213
80012450,3chrt0-21swapper/222:47:312
80012450,3chrt0-21swapper/222:47:312
80012450,3chrt0-21swapper/222:47:312
305842450,3sleep00-21swapper/000:33:240
305842450,3sleep00-21swapper/000:33:240
305842450,3sleep00-21swapper/000:33:240
247372450,2sleep20-21swapper/223:46:112
247372450,2sleep20-21swapper/223:46:112
247372450,2sleep20-21swapper/223:46:112
15588994532,7cyclictest3336-21fschecks_time00:00:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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