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2025-12-11 - 08:37
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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 376 highest latencies:
System rack4slot4.osadl.org (updated Thu Dec 11, 2025 00:53:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71820rcu_preempt0-21swapper/000:54:410
71820rcu_preempt0-21swapper/000:54:410
71750rcu_preempt0-21swapper/022:46:040
71750rcu_preempt0-21swapper/022:46:040
71580rcu_preempt0-21swapper/022:40:080
71580rcu_preempt0-21swapper/022:40:080
71560rcu_preempt0-21swapper/022:00:370
71560rcu_preempt0-21swapper/022:00:370
24399995210cyclictest0-21swapper/122:21:361
24399995210cyclictest0-21swapper/122:21:361
71510rcu_preempt0-21swapper/021:44:320
71510rcu_preempt0-21swapper/021:44:320
71450rcu_preempt0-21swapper/023:55:100
71450rcu_preempt0-21swapper/023:55:100
71440rcu_preempt29247-21runrttasks19:58:150
71440rcu_preempt29247-21runrttasks19:58:150
71440rcu_preempt29247-21runrttasks19:58:150
71430rcu_preempt28879-21copy19:58:000
71430rcu_preempt28879-21copy19:58:000
71420rcu_preempt0-21swapper/000:52:410
71420rcu_preempt0-21swapper/000:52:410
71420rcu_preempt0-21swapper/000:08:100
71420rcu_preempt0-21swapper/000:08:100
46650420irq/116-QManpo29002-213
46650420irq/116-QManpo29002-213
46650420irq/116-QManpo29002-213
71410rcu_preempt0-21swapper/023:49:080
71410rcu_preempt0-21swapper/023:49:080
71410rcu_preempt0-21swapper/022:35:590
71410rcu_preempt0-21swapper/022:35:590
71410rcu_preempt0-21swapper/000:29:570
71410rcu_preempt0-21swapper/000:29:570
71400rcu_preempt9630-21sh00:07:580
71400rcu_preempt9630-21sh00:07:580
71400rcu_preempt15096-21crond00:17:550
71400rcu_preempt15096-21crond00:17:550
71400rcu_preempt15096-21crond00:17:550
71400rcu_preempt0-21swapper/222:58:332
71400rcu_preempt0-21swapper/222:58:332
71400rcu_preempt0-21swapper/222:08:142
71400rcu_preempt0-21swapper/222:08:142
71400rcu_preempt0-21swapper/222:08:142
71400rcu_preempt0-21swapper/122:38:151
71400rcu_preempt0-21swapper/122:38:151
71400rcu_preempt0-21swapper/022:33:030
71390rcu_preempt21699-21runrttasks22:31:311
71390rcu_preempt21699-21runrttasks22:31:311
71390rcu_preempt21699-21runrttasks22:31:311
71390rcu_preempt0-21swapper/322:42:593
71390rcu_preempt0-21swapper/322:42:593
71390rcu_preempt0-21swapper/221:23:182
71390rcu_preempt0-21swapper/221:23:182
71390rcu_preempt0-21swapper/221:23:182
71390rcu_preempt0-21swapper/123:34:051
71390rcu_preempt0-21swapper/123:34:051
71390rcu_preempt0-21swapper/123:34:051
71390rcu_preempt0-21swapper/100:26:021
71390rcu_preempt0-21swapper/100:26:021
71390rcu_preempt0-21swapper/100:26:021
71390rcu_preempt0-21swapper/100:08:001
71390rcu_preempt0-21swapper/100:08:001
71380rcu_preempt26305-21/usr/sbin/munin00:38:112
71380rcu_preempt26305-21/usr/sbin/munin00:38:112
71380rcu_preempt1244-21ssh22:53:130
71380rcu_preempt1244-21ssh22:53:130
71380rcu_preempt1244-21ssh22:53:130
71380rcu_preempt0-21swapper/321:38:103
71380rcu_preempt0-21swapper/321:38:103
71380rcu_preempt0-21swapper/300:38:253
71380rcu_preempt0-21swapper/300:38:253
71380rcu_preempt0-21swapper/223:32:442
71380rcu_preempt0-21swapper/223:32:442
71380rcu_preempt0-21swapper/022:08:160
71380rcu_preempt0-21swapper/022:08:160
71380rcu_preempt0-21swapper/022:08:160
71380rcu_preempt0-21swapper/021:38:070
71380rcu_preempt0-21swapper/021:38:070
71380rcu_preempt0-21swapper/020:28:190
71380rcu_preempt0-21swapper/020:28:190
71380rcu_preempt0-21swapper/020:28:190
71380rcu_preempt0-21swapper/000:33:200
71380rcu_preempt0-21swapper/000:33:200
24399993818cyclictest7947-21diskstats20:38:121
24399993818cyclictest7947-21diskstats20:38:121
24399993816cyclictest31206-21ntp_states22:48:201
24399993816cyclictest31206-21ntp_states22:48:201
24399993815cyclictest0-21swapper/101:08:211
24399993815cyclictest0-21swapper/101:08:211
71370rcu_preempt0-21swapper/319:53:113
71370rcu_preempt0-21swapper/319:53:113
71370rcu_preempt0-21swapper/222:18:092
71370rcu_preempt0-21swapper/222:18:092
71370rcu_preempt0-21swapper/123:50:191
71370rcu_preempt0-21swapper/123:50:191
71370rcu_preempt0-21swapper/123:19:391
71370rcu_preempt0-21swapper/123:19:391
71370rcu_preempt0-21swapper/122:15:321
71370rcu_preempt0-21swapper/122:15:321
71370rcu_preempt0-21swapper/121:59:081
71370rcu_preempt0-21swapper/121:59:081
71370rcu_preempt0-21swapper/101:08:001
71370rcu_preempt0-21swapper/101:08:001
71370rcu_preempt0-21swapper/100:28:591
71370rcu_preempt0-21swapper/100:28:591
71370rcu_preempt0-21swapper/100:16:511
71370rcu_preempt0-21swapper/100:16:511
71370rcu_preempt0-21swapper/100:16:511
71370rcu_preempt0-21swapper/023:43:410
71370rcu_preempt0-21swapper/023:43:410
71370rcu_preempt0-21swapper/023:35:280
71370rcu_preempt0-21swapper/023:35:280
71370rcu_preempt0-21swapper/023:35:280
71370rcu_preempt0-21swapper/023:30:090
71370rcu_preempt0-21swapper/023:30:090
71370rcu_preempt0-21swapper/022:18:360
71370rcu_preempt0-21swapper/022:18:360
71370rcu_preempt0-21swapper/000:19:360
71370rcu_preempt0-21swapper/000:19:360
71370rcu_preempt0-21swapper/000:19:360
2439999379cyclictest0-21swapper/121:40:261
2439999379cyclictest0-21swapper/121:40:261
24399993717cyclictest1248-21diskstats22:53:131
24399993717cyclictest1248-21diskstats22:53:131
24399993717cyclictest1248-21diskstats22:53:131
24399993715cyclictest0-21swapper/120:13:111
24399993715cyclictest0-21swapper/120:13:111
24399993713cyclictest0-21swapper/119:48:181
24399993712cyclictest0-21swapper/122:03:111
24399993712cyclictest0-21swapper/122:03:111
71360rcu_preempt6675-1kworker/0:2H22:25:380
71360rcu_preempt6675-1kworker/0:2H22:25:380
71360rcu_preempt6675-1kworker/0:2H22:25:380
71360rcu_preempt27654-21runrttasks21:43:183
71360rcu_preempt27654-21runrttasks21:43:183
71360rcu_preempt18943-21ssh00:23:253
71360rcu_preempt18943-21ssh00:23:253
71360rcu_preempt18943-21ssh00:23:253
71360rcu_preempt0-21swapper/323:49:023
71360rcu_preempt0-21swapper/323:49:023
71360rcu_preempt0-21swapper/322:58:203
71360rcu_preempt0-21swapper/322:58:203
71360rcu_preempt0-21swapper/300:07:113
71360rcu_preempt0-21swapper/300:07:113
71360rcu_preempt0-21swapper/201:08:062
71360rcu_preempt0-21swapper/201:08:062
71360rcu_preempt0-21swapper/123:45:101
71360rcu_preempt0-21swapper/123:45:101
71360rcu_preempt0-21swapper/122:58:321
71360rcu_preempt0-21swapper/122:58:321
71360rcu_preempt0-21swapper/121:53:401
71360rcu_preempt0-21swapper/121:53:401
71360rcu_preempt0-21swapper/121:49:071
71360rcu_preempt0-21swapper/121:49:071
71360rcu_preempt0-21swapper/121:49:071
71360rcu_preempt0-21swapper/120:53:131
71360rcu_preempt0-21swapper/120:53:131
71360rcu_preempt0-21swapper/100:01:091
71360rcu_preempt0-21swapper/100:01:091
71360rcu_preempt0-21swapper/001:05:040
71360rcu_preempt0-21swapper/001:05:040
24399993619cyclictest8458-21copy22:08:061
24399993619cyclictest8458-21copy22:08:061
24399993619cyclictest8458-21copy22:08:061
24399993617cyclictest17315-21meminfo22:23:171
24399993617cyclictest17315-21meminfo22:23:171
24399993617cyclictest17315-21meminfo22:23:171
24399993615cyclictest27200-21/usr/sbin/munin21:43:191
24399993615cyclictest27200-21/usr/sbin/munin21:43:191
24399993614cyclictest0-21swapper/100:48:221
24399993614cyclictest0-21swapper/100:48:221
24399993612cyclictest0-21swapper/121:28:091
24399993612cyclictest0-21swapper/121:28:091
24399993612cyclictest0-21swapper/120:33:081
24399993612cyclictest0-21swapper/120:33:081
71350rcu_preempt9430-21apt-get01:08:250
71350rcu_preempt9430-21apt-get01:08:250
71350rcu_preempt6497-21ssh00:02:072
71350rcu_preempt6497-21ssh00:02:072
71350rcu_preempt4739-21sh22:58:350
71350rcu_preempt4739-21sh22:58:350
71350rcu_preempt30864-21grep21:48:273
71350rcu_preempt30864-21grep21:48:273
71350rcu_preempt30864-21grep21:48:273
71350rcu_preempt26188-1kworker/0:1H00:41:490
71350rcu_preempt26188-1kworker/0:1H00:41:490
71350rcu_preempt22931-21/usr/sbin/munin22:33:212
71350rcu_preempt22931-21/usr/sbin/munin22:33:212
71350rcu_preempt22790-21sh23:33:001
71350rcu_preempt22790-21sh23:33:001
71350rcu_preempt0-21swapper/322:25:513
71350rcu_preempt0-21swapper/322:25:513
71350rcu_preempt0-21swapper/322:25:513
71350rcu_preempt0-21swapper/300:01:453
71350rcu_preempt0-21swapper/300:01:453
71350rcu_preempt0-21swapper/223:41:182
71350rcu_preempt0-21swapper/223:41:182
71350rcu_preempt0-21swapper/223:41:182
71350rcu_preempt0-21swapper/222:38:302
71350rcu_preempt0-21swapper/222:38:302
71350rcu_preempt0-21swapper/222:17:552
71350rcu_preempt0-21swapper/222:17:552
71350rcu_preempt0-21swapper/221:37:592
71350rcu_preempt0-21swapper/221:37:592
71350rcu_preempt0-21swapper/220:28:132
71350rcu_preempt0-21swapper/220:28:132
71350rcu_preempt0-21swapper/220:28:132
71350rcu_preempt0-21swapper/220:01:312
71350rcu_preempt0-21swapper/220:01:312
71350rcu_preempt0-21swapper/220:01:312
71350rcu_preempt0-21swapper/200:44:452
71350rcu_preempt0-21swapper/200:44:452
71350rcu_preempt0-21swapper/122:33:131
71350rcu_preempt0-21swapper/122:33:131
71350rcu_preempt0-21swapper/100:53:271
71350rcu_preempt0-21swapper/100:53:271
71350rcu_preempt0-21swapper/100:43:061
71350rcu_preempt0-21swapper/100:43:061
71350rcu_preempt0-21swapper/100:08:081
71350rcu_preempt0-21swapper/100:08:081
71350rcu_preempt0-21swapper/023:59:240
71350rcu_preempt0-21swapper/023:59:240
71350rcu_preempt0-21swapper/023:24:010
71350rcu_preempt0-21swapper/023:24:010
71350rcu_preempt0-21swapper/023:20:300
71350rcu_preempt0-21swapper/023:20:300
71350rcu_preempt0-21swapper/022:52:120
71350rcu_preempt0-21swapper/022:52:120
71350rcu_preempt0-21swapper/022:05:080
71350rcu_preempt0-21swapper/022:05:080
71350rcu_preempt0-21swapper/020:18:190
71350rcu_preempt0-21swapper/020:18:190
71350rcu_preempt0-21swapper/000:59:570
71350rcu_preempt0-21swapper/000:59:570
71350rcu_preempt0-21swapper/000:59:570
71350rcu_preempt0-21swapper/000:43:150
71350rcu_preempt0-21swapper/000:43:150
24399993517cyclictest8626-21runrttasks19:56:251
24399993517cyclictest8626-21runrttasks19:56:251
24399993517cyclictest24102-21nfs4_client00:33:221
24399993517cyclictest24102-21nfs4_client00:33:221
24399993514cyclictest0-21swapper/123:13:201
24399993514cyclictest0-21swapper/123:13:201
24399993513cyclictest0-21swapper/120:58:161
24399993513cyclictest0-21swapper/120:58:161
24399993513cyclictest0-21swapper/120:58:161
24399993513cyclictest0-21swapper/120:08:211
24399993513cyclictest0-21swapper/120:08:211
24399993512cyclictest0-21swapper/100:38:151
24399993512cyclictest0-21swapper/100:38:151
71340rcu_preempt5367-21sh00:58:401
71340rcu_preempt5367-21sh00:58:401
71340rcu_preempt5367-21sh00:58:401
71340rcu_preempt0-21swapper/322:57:003
71340rcu_preempt0-21swapper/322:57:003
71340rcu_preempt0-21swapper/322:57:003
71340rcu_preempt0-21swapper/300:51:423
71340rcu_preempt0-21swapper/300:51:423
71340rcu_preempt0-21swapper/300:29:313
71340rcu_preempt0-21swapper/300:29:313
71340rcu_preempt0-21swapper/223:49:202
71340rcu_preempt0-21swapper/223:49:202
71340rcu_preempt0-21swapper/223:22:532
71340rcu_preempt0-21swapper/223:22:532
71340rcu_preempt0-21swapper/223:05:232
71340rcu_preempt0-21swapper/223:05:232
71340rcu_preempt0-21swapper/222:32:102
71340rcu_preempt0-21swapper/222:32:102
71340rcu_preempt0-21swapper/222:32:102
71340rcu_preempt0-21swapper/201:03:112
71340rcu_preempt0-21swapper/201:03:112
71340rcu_preempt0-21swapper/201:01:042
71340rcu_preempt0-21swapper/201:01:042
71340rcu_preempt0-21swapper/201:01:042
71340rcu_preempt0-21swapper/123:24:071
71340rcu_preempt0-21swapper/123:24:071
71340rcu_preempt0-21swapper/122:44:331
71340rcu_preempt0-21swapper/122:44:331
71340rcu_preempt0-21swapper/120:02:201
71340rcu_preempt0-21swapper/120:02:201
71340rcu_preempt0-21swapper/120:02:201
71340rcu_preempt0-21swapper/023:14:210
71340rcu_preempt0-21swapper/023:14:210
71340rcu_preempt0-21swapper/023:09:200
71340rcu_preempt0-21swapper/023:09:200
71340rcu_preempt0-21swapper/023:07:520
71340rcu_preempt0-21swapper/023:07:520
71340rcu_preempt0-21swapper/022:14:180
71340rcu_preempt0-21swapper/022:14:180
71340rcu_preempt0-21swapper/021:54:010
71340rcu_preempt0-21swapper/021:54:010
71340rcu_preempt0-21swapper/021:52:490
71340rcu_preempt0-21swapper/021:52:490
71340rcu_preempt0-21swapper/021:52:490
24399993413cyclictest0-21swapper/123:38:201
24399993413cyclictest0-21swapper/123:38:201
24399993413cyclictest0-21swapper/123:38:201
24399993412cyclictest21024-21grep21:23:251
24399993412cyclictest21024-21grep21:23:251
24399993412cyclictest21024-21grep21:23:251
24399993412cyclictest15303-21apt-get00:18:101
24399993412cyclictest15303-21apt-get00:18:101
24399993412cyclictest15303-21apt-get00:18:101
24399993411cyclictest0-21swapper/120:22:561
24399993411cyclictest0-21swapper/120:22:561
71330rcu_preempt29567-1kworker/3:1H23:03:193
71330rcu_preempt29567-1kworker/3:1H23:03:193
71330rcu_preempt29206-21sed23:43:262
71330rcu_preempt29206-21sed23:43:262
71330rcu_preempt14757-21taskset23:18:093
71330rcu_preempt14757-21taskset23:18:093
71330rcu_preempt0-21swapper/322:49:473
71330rcu_preempt0-21swapper/322:49:473
71330rcu_preempt0-21swapper/321:53:583
71330rcu_preempt0-21swapper/321:53:583
71330rcu_preempt0-21swapper/301:03:393
71330rcu_preempt0-21swapper/301:03:393
71330rcu_preempt0-21swapper/300:58:093
71330rcu_preempt0-21swapper/300:58:093
71330rcu_preempt0-21swapper/300:58:093
71330rcu_preempt0-21swapper/223:37:262
71330rcu_preempt0-21swapper/223:37:262
71330rcu_preempt0-21swapper/223:37:262
71330rcu_preempt0-21swapper/223:26:452
71330rcu_preempt0-21swapper/223:26:452
71330rcu_preempt0-21swapper/223:13:452
71330rcu_preempt0-21swapper/223:13:452
71330rcu_preempt0-21swapper/223:11:092
71330rcu_preempt0-21swapper/223:11:092
71330rcu_preempt0-21swapper/222:07:512
71330rcu_preempt0-21swapper/222:07:512
71330rcu_preempt0-21swapper/221:57:562
71330rcu_preempt0-21swapper/221:57:562
71330rcu_preempt0-21swapper/221:43:432
71330rcu_preempt0-21swapper/221:43:432
71330rcu_preempt0-21swapper/221:40:552
71330rcu_preempt0-21swapper/221:40:552
71330rcu_preempt0-21swapper/200:06:122
71330rcu_preempt0-21swapper/200:06:122
71330rcu_preempt0-21swapper/123:53:311
71330rcu_preempt0-21swapper/123:53:311
71330rcu_preempt0-21swapper/123:11:531
71330rcu_preempt0-21swapper/123:11:531
71330rcu_preempt0-21swapper/121:03:561
71330rcu_preempt0-21swapper/121:03:561
71330rcu_preempt0-21swapper/120:47:381
71330rcu_preempt0-21swapper/120:47:381
71330rcu_preempt0-21swapper/120:47:381
71330rcu_preempt0-21swapper/020:13:180
71330rcu_preempt0-21swapper/020:13:180
71330rcu_preempt0-21swapper/000:26:180
71330rcu_preempt0-21swapper/000:26:180
71330rcu_preempt0-21swapper/000:26:180
24399993313cyclictest17924-21awk21:13:181
24399993313cyclictest17924-21awk21:13:181
24399993313cyclictest17924-21awk21:13:181
24399993311cyclictest0-21swapper/123:03:101
24399993311cyclictest0-21swapper/123:03:101
24399993311cyclictest0-21swapper/120:28:131
24399993311cyclictest0-21swapper/120:28:131
24399993311cyclictest0-21swapper/120:28:131
71320rcu_preempt7701-21latency_hist20:38:010
71320rcu_preempt27944-21aten_r4power_po22:43:092
71320rcu_preempt27944-21aten_r4power_po22:43:092
71320rcu_preempt14576-21latency_hist21:02:590
71320rcu_preempt14576-21latency_hist21:02:590
71320rcu_preempt14576-21latency_hist21:02:590
71320rcu_preempt0-21swapper/323:33:083
71320rcu_preempt0-21swapper/323:33:083
71320rcu_preempt0-21swapper/323:33:083
71320rcu_preempt0-21swapper/323:32:163
71320rcu_preempt0-21swapper/323:32:163
71320rcu_preempt0-21swapper/322:23:003
71320rcu_preempt0-21swapper/322:23:003
71320rcu_preempt0-21swapper/322:06:193
71320rcu_preempt0-21swapper/322:06:193
71320rcu_preempt0-21swapper/320:58:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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