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2025-12-07 - 09:07
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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 Sun Dec 07, 2025 00:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
849421570,1sleep30-21swapper/300:35:083
849421570,1sleep30-21swapper/300:35:083
1804421410,3sleep30-21swapper/300:07:153
1804421410,3sleep30-21swapper/300:07:153
1804421410,3sleep30-21swapper/300:07:153
1586721360,4sleep333-21ksoftirqd/322:15:343
1586721360,4sleep333-21ksoftirqd/322:15:343
2555521190,3sleep30-21swapper/319:46:133
2555521190,3sleep30-21swapper/319:46:133
1376821070,4sleep30-21swapper/322:50:183
237102980,3chrt0-21swapper/300:14:103
237102980,3chrt0-21swapper/300:14:103
139322920,3sleep30-21swapper/323:26:153
139322920,3sleep30-21swapper/323:26:153
4162810,3chrt0-21swapper/223:11:152
4162810,3chrt0-21swapper/223:11:152
159262770,4sleep30-21swapper/321:37:203
159262770,4sleep30-21swapper/321:37:203
262602730,3sleep0151rcuc/000:16:200
195902730,3chrt0-21swapper/122:56:111
195902730,3chrt0-21swapper/122:56:111
130482720,6sleep111583-21ls19:11:231
130482720,6sleep111583-21ls19:11:231
187082710,4sleep218710-21fschecks_time21:41:092
187082710,4sleep218710-21fschecks_time21:41:092
105222710,3chrt0-21swapper/100:36:221
105222710,3chrt0-21swapper/100:36:221
174402700,3sleep30-21swapper/322:16:183
174402700,3sleep30-21swapper/322:16:183
165572640,2sleep10-21swapper/122:16:081
165572640,2sleep10-21swapper/122:16:081
13702620,3chrt0-21swapper/023:49:390
13702620,3chrt0-21swapper/023:49:390
25232610,3sleep30-21swapper/323:51:073
25232610,3sleep30-21swapper/323:51:073
99522590,4chrt0-21swapper/220:31:162
99522590,4chrt0-21swapper/220:31:162
188752580,3sleep00-21swapper/022:18:200
188752580,3sleep00-21swapper/022:18:200
67262570,3chrt0-21swapper/022:04:500
67262570,3chrt0-21swapper/022:04:500
142902570,3sleep214318-21needreboot19:16:112
142902570,3sleep214318-21needreboot19:16:112
95012560,3chrt0-21swapper/323:58:143
95012560,3chrt0-21swapper/323:58:143
32222560,3sleep00-21swapper/021:23:020
32222560,3sleep00-21swapper/021:23:020
23952560,3sleep30-21swapper/300:26:283
23952560,3sleep30-21swapper/300:26:283
170542550,3sleep20-21swapper/222:16:132
170542550,3sleep20-21swapper/222:16:132
302102540,4chrt0-21swapper/223:08:142
302102540,4chrt0-21swapper/223:08:142
260332540,3sleep20-21swapper/223:03:322
260332540,3sleep20-21swapper/223:03:322
264722530,3chrt0-21swapper/321:50:263
264722530,3chrt0-21swapper/321:50:263
213352510,3sleep30-21swapper/322:21:133
213352510,3sleep30-21swapper/322:21:133
305572480,3sleep30-21swapper/300:21:173
305572480,3sleep30-21swapper/300:21:173
268612460,4chrt0-21swapper/223:41:132
268612460,4chrt0-21swapper/223:41:132
268612460,4chrt0-21swapper/223:41:132
97702450,4sleep30-21swapper/321:31:093
97702450,4sleep30-21swapper/321:31:093
13100994517,11cyclictest26098-21ssh23:03:381
13100994517,11cyclictest26098-21ssh23:03:381
13100994516,12cyclictest13047-21ssh00:01:301
13100994516,11cyclictest8836-21ssh22:44:301
80952440,3chrt0-21swapper/123:20:431
71872440,3sleep30-21swapper/322:41:463
292632440,4sleep012-21ksoftirqd/023:44:210
292632440,4sleep012-21ksoftirqd/023:44:210
292632440,4sleep012-21ksoftirqd/023:44:210
291352440,2sleep30-21swapper/321:16:103
291352440,2sleep30-21swapper/321:16:103
13100994416,9cyclictest15604-21grep20:46:171
13100994416,9cyclictest15604-21grep20:46:171
13100994413,13cyclictest23368-21ssh00:13:371
13100994413,13cyclictest23368-21ssh00:13:371
13100994412,11cyclictest31835-21ssh22:33:191
13100994412,11cyclictest31835-21ssh22:33:191
66762430,2sleep2261rcuc/223:18:232
285522430,2sleep028650-21mailstats23:06:160
285522430,2sleep028650-21mailstats23:06:160
200082430,2sleep30-21swapper/323:33:353
200082430,2sleep30-21swapper/323:33:353
13100994316,11cyclictest9419-21ssh22:07:081
13100994316,11cyclictest9419-21ssh22:07:081
13100994316,11cyclictest5282-21ssh23:53:421
13100994316,11cyclictest5282-21ssh23:53:421
13100994315,12cyclictest12572-21ssh22:48:251
13100994217,11cyclictest11095-21ssh00:00:401
13100994217,11cyclictest11095-21ssh00:00:401
13100994216,12cyclictest4394-21ssh22:39:281
13100994216,12cyclictest4394-21ssh22:39:281
13100994216,11cyclictest7255-21ssh00:32:521
13100994216,11cyclictest7255-21ssh00:32:521
13100994216,11cyclictest3616-21ssh21:23:401
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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