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2026-07-17 - 08:56
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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 Fri Jul 17, 2026 00:45:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3150621460,3sleep30-21swapper/300:22:073
3150621460,3sleep30-21swapper/300:22:073
126602850,3sleep00-21swapper/000:00:450
126602850,3sleep00-21swapper/000:00:450
234022700,2sleep20-21swapper/221:40:572
234022700,2sleep20-21swapper/221:40:572
234022700,2sleep20-21swapper/221:40:572
319072650,1sleep0151rcuc/021:11:120
319072650,1sleep0151rcuc/021:11:120
319072650,1sleep0151rcuc/021:11:120
268392640,3sleep00-21swapper/019:31:090
169372620,3sleep20-21swapper/222:11:072
169372620,3sleep20-21swapper/222:11:072
5332610,3sleep20-21swapper/222:30:522
5332610,3sleep20-21swapper/222:30:522
5332610,3sleep20-21swapper/222:30:522
71572590,3sleep30-21swapper/323:55:063
71572590,3sleep30-21swapper/323:55:063
294972590,3sleep30-21swapper/300:20:543
294972590,3sleep30-21swapper/300:20:543
220772570,8sleep222079-21sed23:35:562
220772570,8sleep222079-21sed23:35:562
220772570,8sleep222079-21sed23:35:562
103362570,3chrt0-21swapper/321:24:503
103362570,3chrt0-21swapper/321:24:503
103362570,3chrt0-21swapper/321:24:503
99172550,3sleep20-21swapper/200:36:042
99172550,3sleep20-21swapper/200:36:042
99172550,3sleep20-21swapper/200:36:042
303072540,2sleep20-21swapper/223:45:532
303072540,2sleep20-21swapper/223:45:532
303072540,2sleep20-21swapper/223:45:532
275022540,2sleep227503-21grep21:01:062
275022540,2sleep227503-21grep21:01:062
77032530,3sleep20-21swapper/221:21:112
77032530,3sleep20-21swapper/221:21:112
77032530,3sleep20-21swapper/221:21:112
37012530,2sleep03775-21sendmail_mailqu21:16:160
37012530,2sleep03775-21sendmail_mailqu21:16:160
37012530,2sleep03775-21sendmail_mailqu21:16:160
48742500,2chrt0-21swapper/222:35:592
48742500,2chrt0-21swapper/222:35:592
48742500,2chrt0-21swapper/222:35:592
42192500,4sleep12866-21/usr/sbin/munin21:16:201
42192500,4sleep12866-21/usr/sbin/munin21:16:201
42192500,4sleep12866-21/usr/sbin/munin21:16:201
10912490,2sleep01103-21ssh23:48:370
10912490,2sleep01103-21ssh23:48:370
20129994832,13cyclictest30839-21diskmemload00:01:062
20129994832,13cyclictest30839-21diskmemload00:01:062
108482480,3chrt0-21swapper/121:25:481
108482480,3chrt0-21swapper/121:25:481
108482480,3chrt0-21swapper/121:25:481
283232470,2sleep028409-21ls21:01:170
283232470,2sleep028409-21ls21:01:170
25602470,3sleep10-21swapper/122:31:561
25602470,3sleep10-21swapper/122:31:561
25602470,3sleep10-21swapper/122:31:561
274962460,3sleep00-21swapper/023:02:010
274962460,3sleep00-21swapper/023:02:010
274962460,3sleep00-21swapper/023:02:010
246362450,4sleep10-21swapper/121:41:161
246362450,4sleep10-21swapper/121:41:161
209622450,3sleep00-21swapper/023:34:010
209622450,3sleep00-21swapper/023:34:010
209622450,3sleep00-21swapper/023:34:010
2012999458,12cyclictest73-21kswapd019:56:052
137382450,3sleep213733-21awk23:25:552
137382450,3sleep213733-21awk23:25:552
137382450,3sleep213733-21awk23:25:552
252412440,3sleep20-21swapper/219:26:132
252412440,3sleep20-21swapper/219:26:132
2012999442,14cyclictest27-21ksoftirqd/200:00:582
2012999442,14cyclictest27-21ksoftirqd/200:00:582
197892430,4sleep30-21swapper/322:14:383
197892430,4sleep30-21swapper/322:14:383
113452430,3chrt24661-21kworker/3:222:04:293
113452430,3chrt24661-21kworker/3:222:04:293
168322420,4sleep30-21swapper/323:29:053
168322420,4sleep30-21swapper/323:29:053
168322420,4sleep30-21swapper/323:29:053
20127994119,17cyclictest13749-21gzip00:01:120
20127994119,17cyclictest13749-21gzip00:01:120
65832400,3chrt0-21swapper/321:58:383
65832400,3chrt0-21swapper/321:58:383
52482400,3sleep30-21swapper/320:01:063
52482400,3sleep30-21swapper/320:01:063
161762400,3sleep10-21swapper/121:31:271
161762400,3sleep10-21swapper/121:31:271
233162380,3sleep30-21swapper/323:36:173
233162380,3sleep30-21swapper/323:36:173
233162380,3sleep30-21swapper/323:36:173
72102370,3sleep00-21swapper/023:55:110
72102370,3sleep00-21swapper/023:55:110
138012370,2sleep00-21swapper/000:40:450
138012370,2sleep00-21swapper/000:40:450
117292370,3sleep120125-21cyclictest21:26:081
117292370,3sleep120125-21cyclictest21:26:081
102402370,3sleep30-21swapper/323:57:283
102402370,3sleep30-21swapper/323:57:283
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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