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2026-06-06 - 20:23
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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 Sat Jun 06, 2026 00:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1796121540,2sleep117960-21date20:45:261
1796121540,2sleep117960-21date20:45:261
2343921210,3sleep223425-21ssh21:45:322
2343921210,3sleep223425-21ssh21:45:322
2343921210,3sleep223425-21ssh21:45:322
266262930,4sleep00-21swapper/021:10:210
266262930,4sleep00-21swapper/021:10:210
266262930,4sleep00-21swapper/021:10:210
22752860,3chrt0-21swapper/322:37:013
22752860,3chrt0-21swapper/322:37:013
160122830,3sleep20-21swapper/221:35:392
160122830,3sleep20-21swapper/221:35:392
160122830,3sleep20-21swapper/221:35:392
294462710,4chrt0-21swapper/323:10:293
237132690,3sleep20-21swapper/223:03:252
237132690,3sleep20-21swapper/223:03:252
49612650,3chrt0-21swapper/321:22:423
49612650,3chrt0-21swapper/321:22:423
49612650,3chrt0-21swapper/321:22:423
108132650,3chrt0-21swapper/220:25:262
196082630,3chrt0-21swapper/022:58:160
196082630,3chrt0-21swapper/022:58:160
196082630,3chrt0-21swapper/022:58:160
167142630,3chrt0-21swapper/023:33:450
167142630,3chrt0-21swapper/023:33:450
167142630,3chrt0-21swapper/023:33:450
75262590,5chrt0-21swapper/321:25:353
75262590,5chrt0-21swapper/321:25:353
183072590,3sleep30-21swapper/323:35:293
183072590,3sleep30-21swapper/323:35:293
183072590,3sleep30-21swapper/323:35:293
178762590,1sleep017958-21/usr/sbin/munin20:45:260
178762590,1sleep017958-21/usr/sbin/munin20:45:260
111252590,2sleep00-21swapper/023:25:450
111252590,2sleep00-21swapper/023:25:450
111252590,2sleep00-21swapper/023:25:450
259542580,4sleep00-21swapper/023:45:270
182072570,3sleep30-21swapper/322:55:383
182072570,3sleep30-21swapper/322:55:383
182072570,3sleep30-21swapper/322:55:383
299212560,3sleep10-21swapper/123:10:351
253252560,2sleep125414-21fschecks_count19:35:271
253252560,2sleep125414-21fschecks_count19:35:271
193042560,3sleep30-21swapper/322:19:413
193042560,3sleep30-21swapper/322:19:413
163722550,3sleep10-21swapper/119:10:261
163722550,3sleep10-21swapper/119:10:261
192512540,1sleep2261rcuc/219:15:372
192512540,1sleep2261rcuc/219:15:372
286902530,2sleep128823-21ssh22:30:371
286902530,2sleep128823-21ssh22:30:371
115472530,3chrt0-21swapper/022:48:110
115472530,3chrt0-21swapper/022:48:110
265062520,3sleep20-21swapper/200:25:282
265062520,3sleep20-21swapper/200:25:282
265062520,3sleep20-21swapper/200:25:282
176632520,3sleep10-21swapper/100:13:411
176632520,3sleep10-21swapper/100:13:411
176632520,3sleep10-21swapper/100:13:411
15522520,3sleep30-21swapper/320:00:153
15522520,3sleep30-21swapper/320:00:153
15522520,3sleep30-21swapper/320:00:153
30082500,3sleep00-21swapper/021:59:240
30082500,3sleep00-21swapper/021:59:240
162752500,3sleep016058-21ls19:10:260
162752500,3sleep016058-21ls19:10:260
123142500,3chrt0-21swapper/221:31:172
123142500,3chrt0-21swapper/221:31:172
123142500,3chrt0-21swapper/221:31:172
85862490,3sleep00-21swapper/000:01:420
85862490,3sleep00-21swapper/000:01:420
76532490,3sleep10-21swapper/100:00:351
76532490,3sleep10-21swapper/100:00:351
241712490,3chrt0-21swapper/321:00:353
241712490,3chrt0-21swapper/321:00:353
81332480,3sleep00-21swapper/022:44:180
81332480,3sleep00-21swapper/022:44:180
185792480,3sleep00-21swapper/022:18:170
185792480,3sleep00-21swapper/022:18:170
295472470,4sleep00-21swapper/023:10:300
20632470,2sleep30-21swapper/321:58:033
20632470,2sleep30-21swapper/321:58:033
244932460,4chrt0-21swapper/000:21:520
244932460,4chrt0-21swapper/000:21:520
244932460,4chrt0-21swapper/000:21:520
17523994634,6cyclictest6523-21latency_hist00:00:200
17523994634,6cyclictest6523-21latency_hist00:00:200
142862450,4sleep00-21swapper/022:12:430
142862450,4sleep00-21swapper/022:12:430
142862450,4sleep00-21swapper/022:12:430
281402440,3chrt0-21swapper/222:30:292
281402440,3chrt0-21swapper/222:30:292
178162440,2sleep20-21swapper/222:16:512
178162440,2sleep20-21swapper/222:16:512
232942430,4sleep00-21swapper/000:20:310
232722430,5sleep10-21swapper/121:45:311
232722430,5sleep10-21swapper/121:45:311
232722430,5sleep10-21swapper/121:45:311
220672430,3sleep20-21swapper/221:44:192
220672430,3sleep20-21swapper/221:44:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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