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2026-06-02 - 05:18
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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 Tue Jun 02, 2026 00:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
921621440,2sleep20-21swapper/223:49:162
1385321140,3sleep10-21swapper/121:57:221
1385321140,3sleep10-21swapper/121:57:221
18002890,3sleep30-21swapper/322:22:043
18002890,3sleep30-21swapper/322:22:043
211042880,2sleep30-21swapper/322:05:323
211042880,2sleep30-21swapper/322:05:323
211042880,2sleep30-21swapper/322:05:323
206212830,11sleep333-21ksoftirqd/320:20:233
206212830,11sleep333-21ksoftirqd/320:20:233
195982810,4sleep30-21swapper/300:00:193
195982810,4sleep30-21swapper/300:00:193
231692790,3sleep1201rcuc/121:30:251
231692790,3sleep1201rcuc/121:30:251
115152760,3sleep30-21swapper/319:55:153
115152760,3sleep30-21swapper/319:55:153
115152760,3sleep30-21swapper/319:55:153
222132750,2sleep30-21swapper/300:03:083
222132750,2sleep30-21swapper/300:03:083
222132750,2sleep30-21swapper/300:03:083
103672750,8sleep227-21ksoftirqd/200:29:072
103672750,8sleep227-21ksoftirqd/200:29:072
103672750,8sleep227-21ksoftirqd/200:29:072
50342730,2chrt5035-21/usr/sbin/munin21:05:352
50342730,2chrt5035-21/usr/sbin/munin21:05:352
321792730,1sleep231554-21/usr/sbin/munin00:15:302
321792730,1sleep231554-21/usr/sbin/munin00:15:302
176312710,3sleep20-21swapper/223:57:402
176312710,3sleep20-21swapper/223:57:402
308422690,3sleep230841-21grep19:15:322
308422690,3sleep230841-21grep19:15:322
16092690,3sleep20-21swapper/219:25:282
16092690,3sleep20-21swapper/219:25:282
182382680,3chrt0-21swapper/222:40:322
182382680,3chrt0-21swapper/222:40:322
182382680,3chrt0-21swapper/222:40:322
201342670,3sleep10-21swapper/100:39:351
201342670,3sleep10-21swapper/100:39:351
28642660,4chrt0-21swapper/319:30:243
16832620,3sleep20-21swapper/222:21:512
16832620,3sleep20-21swapper/222:21:512
62642610,3sleep26263-21ssh21:10:252
62642610,3sleep26263-21ssh21:10:252
291922600,4sleep00-21swapper/019:10:400
288452600,2sleep227792-21ls19:10:342
287702580,2sleep128844-21/usr/sbin/munin19:10:331
152942580,3sleep10-21swapper/120:05:221
95142550,3sleep00-21swapper/023:49:420
248412540,3sleep224954-21mailstats22:10:302
248412540,3sleep224954-21mailstats22:10:302
248412540,3sleep224954-21mailstats22:10:302
216292540,2sleep121637-21ssh22:06:031
216292540,2sleep121637-21ssh22:06:031
216292540,2sleep121637-21ssh22:06:031
124192540,3sleep10-21swapper/123:52:011
124192540,3sleep10-21swapper/123:52:011
49822520,2sleep04991-21sh23:43:530
49822520,2sleep04991-21sh23:43:530
2924699525,36cyclictest19562-21cupsd00:00:171
2924699525,36cyclictest19562-21cupsd00:00:171
76092500,3sleep30-21swapper/322:30:123
76092500,3sleep30-21swapper/322:30:123
314232490,2sleep231580-21unixbench_multi23:35:352
314232490,2sleep231580-21unixbench_multi23:35:352
314232490,2sleep231580-21unixbench_multi23:35:352
71382480,2sleep30-21swapper/321:10:343
71382480,2sleep30-21swapper/321:10:343
323332480,2sleep30-21swapper/323:36:513
323332480,2sleep30-21swapper/323:36:513
323332480,2sleep30-21swapper/323:36:513
202472480,2sleep20-21swapper/222:05:232
202472480,2sleep20-21swapper/222:05:232
49762470,3sleep10-21swapper/100:21:351
49762470,3sleep10-21swapper/100:21:351
49762470,3sleep10-21swapper/100:21:351
48462470,3sleep30-21swapper/319:35:263
48462470,3sleep30-21swapper/319:35:263
293502470,3sleep20-21swapper/222:55:232
293502470,3sleep20-21swapper/222:55:232
215592450,2sleep30-21swapper/323:24:053
215592450,2sleep30-21swapper/323:24:053
215592450,2sleep30-21swapper/323:24:053
141492450,3sleep20-21swapper/221:57:472
141492450,3sleep20-21swapper/221:57:472
231112440,3sleep30-21swapper/323:25:303
231112440,3sleep30-21swapper/323:25:303
200372440,3chrt0-21swapper/223:21:112
200372440,3chrt0-21swapper/223:21:112
200372440,3chrt0-21swapper/223:21:112
29245994319,19cyclictest20811-21cups-browsed00:00:160
29245994319,19cyclictest20811-21cups-browsed00:00:160
251762430,3sleep20-21swapper/222:50:162
251762430,3sleep20-21swapper/222:50:162
251762430,3sleep20-21swapper/222:50:162
264252420,2sleep00-21swapper/000:08:360
264252420,2sleep00-21swapper/000:08:360
138462420,4sleep20-21swapper/223:15:242
138462420,4sleep20-21swapper/223:15:242
138462420,4sleep20-21swapper/223:15:242
166612410,2sleep10-21swapper/121:22:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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