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2025-12-10 - 04:15
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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 Wed Dec 10, 2025 00:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1875921310,2sleep10-21swapper/123:36:051
2976121050,4chrt29388-21/usr/sbin/munin22:41:111
2976121050,4chrt29388-21/usr/sbin/munin22:41:111
185221050,3sleep10-21swapper/120:56:141
24602990,3sleep10-21swapper/123:19:331
24602990,3sleep10-21swapper/123:19:331
78912970,4sleep27751-21/usr/sbin/munin19:46:102
78912970,4sleep27751-21/usr/sbin/munin19:46:102
324432940,11sleep227-21ksoftirqd/219:25:572
202522870,3chrt20253-21ls00:11:021
202522870,3chrt20253-21ls00:11:021
305812850,4sleep30-21swapper/323:15:213
305812850,4sleep30-21swapper/323:15:213
223642850,3sleep33525-21kworker/3:021:26:143
223642850,3sleep33525-21kworker/3:021:26:143
255122750,3sleep30-21swapper/300:16:143
255122750,3sleep30-21swapper/300:16:143
147872720,3sleep10-21swapper/100:04:351
147872720,3sleep10-21swapper/100:04:351
176782670,3sleep30-21swapper/321:21:113
176782670,3sleep30-21swapper/321:21:113
143502660,3chrt0-21swapper/300:03:523
143502660,3chrt0-21swapper/300:03:523
155462640,3sleep30-21swapper/322:26:143
279332630,3chrt0-21swapper/122:39:181
279332630,3chrt0-21swapper/122:39:181
279332630,3chrt0-21swapper/122:39:181
253622600,3sleep30-21swapper/323:09:473
253622600,3sleep30-21swapper/323:09:473
289922590,2sleep20-21swapper/222:06:202
207512580,3chrt0-21swapper/122:31:191
207512580,3chrt0-21swapper/122:31:191
246202570,3sleep30-21swapper/322:01:223
246202570,3sleep30-21swapper/322:01:223
246202570,3sleep30-21swapper/322:01:223
84842560,3sleep30-21swapper/321:11:233
84842560,3sleep30-21swapper/321:11:233
322072560,4sleep20-21swapper/220:51:122
322072560,4sleep20-21swapper/220:51:122
28762560,2sleep2261rcuc/222:46:192
28762560,2sleep2261rcuc/222:46:192
86052550,3chrt0-21swapper/100:33:241
86052550,3chrt0-21swapper/100:33:241
295722550,4chrt0-21swapper/323:46:163
295722550,4chrt0-21swapper/323:46:163
270042550,3sleep226791-21ls19:11:072
102752510,4chrt10274-21df22:21:101
102752510,4chrt10274-21df22:21:101
18152500,2sleep21837-21ssh22:46:042
18152500,2sleep21837-21ssh22:46:042
155462500,3sleep30-21swapper/322:59:343
33762490,4sleep30-21swapper/323:20:533
33762490,4sleep30-21swapper/323:20:533
167242490,2sleep116726-21latency_hist23:01:051
313422470,3sleep10-21swapper/122:09:081
134212470,2sleep113336-21latency_hist21:51:001
93852460,3sleep30-21swapper/322:20:233
93852460,3sleep30-21swapper/322:20:233
89032460,3sleep00-21swapper/022:52:150
89032460,3sleep00-21swapper/022:52:150
75542460,4sleep30-21swapper/322:51:143
75542460,4sleep30-21swapper/322:51:143
276602450,2sleep10-21swapper/120:36:211
276602450,2sleep10-21swapper/120:36:211
259642450,3chrt0-21swapper/121:30:061
259642450,3chrt0-21swapper/121:30:061
166602450,3chrt0-21swapper/121:20:291
166602450,3chrt0-21swapper/121:20:291
98092440,3sleep00-21swapper/023:59:190
226212440,4sleep10-21swapper/123:39:471
226212440,4sleep10-21swapper/123:39:471
222292440,8sleep227-21ksoftirqd/200:12:112
222292440,8sleep227-21ksoftirqd/200:12:112
121782440,3chrt0-21swapper/300:37:043
62422420,3sleep00-21swapper/022:16:180
62422420,3sleep00-21swapper/022:16:180
319362410,3sleep30-21swapper/300:22:493
319362410,3sleep30-21swapper/300:22:493
221302410,3chrt0-21swapper/121:59:441
221302410,3chrt0-21swapper/121:59:441
88282400,1sleep00-21swapper/000:33:470
88282400,1sleep00-21swapper/000:33:470
83982400,2sleep20-21swapper/222:51:332
83982400,2sleep20-21swapper/222:51:332
80512380,9sleep333-21ksoftirqd/323:25:263
80512380,9sleep333-21ksoftirqd/323:25:263
33682380,4sleep30-21swapper/323:52:113
33682380,4sleep30-21swapper/323:52:113
18312380,3sleep30-21swapper/321:38:113
18312380,3sleep30-21swapper/321:38:113
281422370,2sleep30-21swapper/322:39:413
281422370,2sleep30-21swapper/322:39:413
281422370,2sleep30-21swapper/322:39:413
160102370,3chrt15111-21/usr/sbin/munin22:26:201
104472370,2sleep30-21swapper/300:00:153
63272360,3sleep10-21swapper/122:16:191
63272360,3sleep10-21swapper/122:16:191
305132340,3sleep10-21swapper/123:15:151
305132340,3sleep10-21swapper/123:15:151
42132330,4sleep012-21ksoftirqd/000:28:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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