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2025-12-09 - 09:03
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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 Dec 09, 2025 00:45:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2108121250,6chrt0-21swapper/319:11:073
2108121250,6chrt0-21swapper/319:11:073
451721230,2chrt0-21swapper/300:06:053
1810421170,3sleep20-21swapper/222:02:252
1810421170,3sleep20-21swapper/222:02:252
2663821000,2chrt0-21swapper/319:26:023
2663821000,2chrt0-21swapper/319:26:023
1424721000,3sleep20-21swapper/223:06:562
1424721000,3sleep20-21swapper/223:06:562
40972960,3sleep00-21swapper/022:21:360
40972960,3sleep00-21swapper/022:21:360
109922920,3sleep30-21swapper/320:11:023
222912880,3sleep220868-21ls19:11:272
222912880,3sleep220868-21ls19:11:272
279612770,3sleep20-21swapper/222:46:542
279612770,3sleep20-21swapper/222:46:542
109562770,3chrt0-21swapper/200:11:542
109562770,3chrt0-21swapper/200:11:542
90092700,3sleep10-21swapper/123:01:201
90092700,3sleep10-21swapper/123:01:201
84742650,2sleep10-21swapper/100:10:181
84742650,2sleep10-21swapper/100:10:181
278272640,3sleep30-21swapper/320:56:033
278272640,3sleep30-21swapper/320:56:033
222212610,4chrt0-21swapper/323:50:293
222212610,4chrt0-21swapper/323:50:293
90022600,3sleep20-21swapper/221:53:022
90022600,3sleep20-21swapper/221:53:022
90022600,3sleep20-21swapper/221:53:022
321702600,3sleep00-21swapper/022:51:220
321702600,3sleep00-21swapper/022:51:220
279012560,3sleep00-21swapper/022:46:480
279012560,3sleep00-21swapper/022:46:480
253592560,3chrt0-21swapper/023:53:040
253592560,3chrt0-21swapper/023:53:040
291802550,3sleep00-21swapper/022:14:490
291802550,3sleep00-21swapper/022:14:490
230322550,3sleep10-21swapper/121:33:511
230322550,3sleep10-21swapper/121:33:511
29022540,3chrt0-21swapper/122:55:581
29022540,3chrt0-21swapper/122:55:581
124762540,2sleep012508-21ssh23:06:060
124762540,2sleep012508-21ssh23:06:060
257802530,2chrt0-21swapper/323:19:593
257802530,2chrt0-21swapper/323:19:593
45432520,3sleep30-21swapper/322:56:243
45432520,3sleep30-21swapper/322:56:243
210792520,3sleep120868-21ls19:11:061
210792520,3sleep120868-21ls19:11:061
59912510,3chrt0-21swapper/023:32:300
267192490,3sleep10-21swapper/123:55:101
267192490,3sleep10-21swapper/123:55:101
20862490,3sleep30-21swapper/321:46:113
20862490,3sleep30-21swapper/321:46:113
168152480,3sleep00-21swapper/020:26:100
282872470,2sleep30-21swapper/321:39:403
282872470,2sleep30-21swapper/321:39:403
173112470,4sleep30-21swapper/300:19:193
173112470,4sleep30-21swapper/300:19:193
173112470,4sleep30-21swapper/300:19:193
145572470,3chrt0-21swapper/322:33:053
145572470,3chrt0-21swapper/322:33:053
135362460,2sleep013722-21/usr/sbin/munin23:41:110
135362460,2sleep013722-21/usr/sbin/munin23:41:110
283942450,2sleep20-21swapper/222:13:402
283942450,2sleep20-21swapper/222:13:402
144102450,2sleep10-21swapper/123:41:191
144102450,2sleep10-21swapper/123:41:191
189342440,3sleep00-21swapper/023:46:160
189342440,3sleep00-21swapper/023:46:160
173572440,5chrt0-21swapper/322:36:143
173572440,5chrt0-21swapper/322:36:143
78622430,3chrt0-21swapper/323:35:143
270312430,2sleep30-21swapper/319:26:103
270312430,2sleep30-21swapper/319:26:103
233452430,3sleep10-21swapper/100:26:121
145902430,3chrt0-21swapper/020:20:560
145902430,3chrt0-21swapper/020:20:560
27922410,3sleep10-21swapper/121:11:481
27922410,3sleep10-21swapper/121:11:481
2234999411,29cyclictest25818-21find19:21:190
2234999411,29cyclictest25818-21find19:21:190
173572410,3chrt0-21swapper/000:19:240
173572410,3chrt0-21swapper/000:19:240
173572410,3chrt0-21swapper/000:19:240
162152410,2sleep30-21swapper/321:26:173
57702400,3sleep30-21swapper/321:16:043
57702400,3sleep30-21swapper/321:16:043
307992400,3sleep30-21swapper/321:01:223
307992400,3sleep30-21swapper/321:01:223
266512400,4sleep00-21swapper/000:30:250
86182390,2sleep00-21swapper/021:18:270
86182390,2sleep00-21swapper/021:18:270
256332390,2sleep30-21swapper/300:28:433
188282390,2sleep218887-21ntp_states23:46:152
188282390,2sleep218887-21ntp_states23:46:152
8582370,3sleep30-21swapper/323:27:063
8582370,3sleep30-21swapper/323:27:063
19672370,3sleep00-21swapper/021:11:190
19672370,3sleep00-21swapper/021:11:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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