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2025-12-12 - 05:55
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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 Dec 12, 2025 00:44:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1954423950,1sleep012-21ksoftirqd/019:11:290
1954423950,1sleep012-21ksoftirqd/019:11:290
1549521250,3sleep10-21swapper/122:06:111
2628221220,3chrt0-21swapper/121:41:191
2628221220,3chrt0-21swapper/121:41:191
321852910,2sleep30-21swapper/319:46:203
30952860,2sleep10-21swapper/122:28:211
75912850,3sleep20-21swapper/222:33:292
68512850,3sleep20-21swapper/220:06:162
294082850,3sleep20-21swapper/222:21:192
294082850,3sleep20-21swapper/222:21:192
44392840,3sleep20-21swapper/220:01:012
44392840,3sleep20-21swapper/220:01:012
155992800,4sleep20-21swapper/223:54:592
155992800,4sleep20-21swapper/223:54:592
122102790,3sleep112212-21grep22:01:241
122102790,3sleep112212-21grep22:01:241
14352750,3sleep30-21swapper/323:02:193
14352750,3sleep30-21swapper/323:02:193
55262690,2sleep15521-21ssh22:31:191
7432680,2sleep20-21swapper/200:14:282
7432680,2sleep20-21swapper/200:14:282
281882670,2sleep228186-21ntp_states22:56:192
281882670,2sleep228186-21ntp_states22:56:192
253882650,4sleep30-21swapper/322:16:263
253882650,4sleep30-21swapper/322:16:263
253882650,4sleep30-21swapper/322:16:263
66542630,3chrt0-21swapper/221:56:152
66542630,3chrt0-21swapper/221:56:152
233972570,2sleep30-21swapper/322:51:183
233972570,2sleep30-21swapper/322:51:183
242982530,2chrt0-21swapper/022:16:100
242982530,2chrt0-21swapper/022:16:100
242982530,2chrt0-21swapper/022:16:100
22882530,3chrt0-21swapper/200:16:172
22882530,3chrt0-21swapper/200:16:172
131072520,3sleep30-21swapper/322:40:173
131072520,3sleep30-21swapper/322:40:173
253612510,2sleep225376-21ssh22:53:032
253612510,2sleep225376-21ssh22:53:032
99982500,3chrt0-21swapper/323:12:043
68702490,2sleep16919-21ssh00:21:191
68702490,2sleep16919-21ssh00:21:191
60322480,4sleep30-21swapper/300:21:043
60322480,4sleep30-21swapper/300:21:043
55072480,1chrt0-21swapper/021:54:520
55072480,1chrt0-21swapper/021:54:520
205032480,3sleep10-21swapper/100:36:501
205032480,3sleep10-21swapper/100:36:501
252362470,3chrt0-21swapper/223:29:432
252362470,3chrt0-21swapper/223:29:432
87952460,3sleep30-21swapper/321:21:283
87952460,3sleep30-21swapper/321:21:283
42652460,2sleep3321rcuc/323:41:303
42652460,2sleep3321rcuc/323:41:303
229892460,2sleep00-21swapper/000:02:160
229892460,2sleep00-21swapper/000:02:160
89262450,3chrt0-21swapper/323:46:483
89262450,3chrt0-21swapper/323:46:483
182022450,3sleep30-21swapper/323:21:243
182022450,3sleep30-21swapper/323:21:243
119102450,6sleep227-21ksoftirqd/221:26:012
119102450,6sleep227-21ksoftirqd/221:26:012
221052440,2sleep20-21swapper/222:12:552
221052440,2sleep20-21swapper/222:12:552
185502440,3sleep30-21swapper/300:35:393
185502440,3sleep30-21swapper/300:35:393
61862420,2sleep20-21swapper/221:19:182
61862420,2sleep20-21swapper/221:19:182
38852420,3sleep20-21swapper/222:29:392
112342420,3sleep011211-21ssh00:26:240
297102400,3chrt0-21swapper/300:10:433
297102400,3chrt0-21swapper/300:10:433
165872400,2sleep216631-21latency_hist21:31:082
229432390,3sleep20-21swapper/219:21:232
229432390,3sleep20-21swapper/219:21:232
306252380,3sleep10-21swapper/123:36:051
306252380,3sleep10-21swapper/123:36:051
1958999387,10cyclictest592-21find23:01:262
1958999387,10cyclictest592-21find23:01:262
1958999386,10cyclictest31991-21find21:11:242
1958999386,10cyclictest31991-21find21:11:242
173942380,2sleep20-21swapper/222:07:242
1958999377,12cyclictest18074-21ssh21:31:282
1958999377,12cyclictest18074-21ssh21:31:282
240722360,3chrt0-21swapper/022:16:020
240722360,3chrt0-21swapper/022:16:020
1958999368,9cyclictest73-21kswapd020:26:152
1958999368,9cyclictest73-21kswapd020:26:152
189422360,3sleep30-21swapper/322:09:543
19589993510,8cyclictest17641-21find23:56:252
19589993510,8cyclictest17641-21find23:56:252
195452350,2sleep118053-21ls19:11:311
195452350,2sleep118053-21ls19:11:311
188722355,22sleep218937-21ntp_kernel_pll_19:11:192
188722355,22sleep218937-21ntp_kernel_pll_19:11:192
211102340,1sleep221111-21sh23:25:182
211102340,1sleep221111-21sh23:25:182
1958999349,10cyclictest22438-21find20:46:242
1958999349,10cyclictest22438-21find20:46:242
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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