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2026-04-11 - 07:15
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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 376 highest latencies:
System rack4slot4.osadl.org (updated Sat Apr 11, 2026 00:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71760rcu_preempt0-21swapper/220:47:202
71760rcu_preempt0-21swapper/220:47:202
71760rcu_preempt0-21swapper/220:47:202
71550rcu_preempt24447-21/usr/sbin/munin23:27:421
71550rcu_preempt24447-21/usr/sbin/munin23:27:421
1242199534cyclictest24768-21/usr/sbin/munin21:32:300
1242199534cyclictest24768-21/usr/sbin/munin21:32:300
1242199534cyclictest24768-21/usr/sbin/munin21:32:300
1242199534cyclictest0-21swapper/023:30:410
1242199534cyclictest0-21swapper/023:30:410
1242199534cyclictest0-21swapper/000:04:520
1242199534cyclictest0-21swapper/000:04:520
1242199534cyclictest0-21swapper/000:04:520
1242199533cyclictest23809-21diskstats19:52:310
1242199533cyclictest23809-21diskstats19:52:310
1242199533cyclictest23809-21diskstats19:52:310
1242199533cyclictest0-21swapper/023:17:380
1242199533cyclictest0-21swapper/023:17:380
1242199533cyclictest0-21swapper/022:40:160
1242199533cyclictest0-21swapper/022:40:160
1242199533cyclictest0-21swapper/022:40:160
1242199533cyclictest0-21swapper/021:27:270
1242199533cyclictest0-21swapper/021:27:270
1242199532cyclictest26794-21df23:32:300
1242199532cyclictest26794-21df23:32:300
1242199532cyclictest1959-21runrttasks19:59:410
1242199532cyclictest1959-21runrttasks19:59:410
1242199532cyclictest1900-21munin-node00:37:250
1242199532cyclictest1900-21munin-node00:37:250
1242199532cyclictest1900-21munin-node00:37:250
71520rcu_preempt0-21swapper/122:49:101
71520rcu_preempt0-21swapper/122:49:101
71520rcu_preempt0-21swapper/122:26:001
71520rcu_preempt0-21swapper/122:26:001
71520rcu_preempt0-21swapper/122:26:001
1242199524cyclictest0-21swapper/023:42:220
1242199524cyclictest0-21swapper/023:42:220
1242199524cyclictest0-21swapper/023:42:220
1242199524cyclictest0-21swapper/021:07:330
1242199524cyclictest0-21swapper/021:07:330
1242199523cyclictest7344-21users20:47:480
1242199523cyclictest7344-21users20:47:480
1242199523cyclictest31766-21munin-run20:22:150
1242199523cyclictest31766-21munin-run20:22:150
1242199523cyclictest0-21swapper/023:09:540
1242199523cyclictest0-21swapper/023:09:540
1242199523cyclictest0-21swapper/023:09:540
1242199523cyclictest0-21swapper/022:47:590
1242199523cyclictest0-21swapper/022:47:590
1242199523cyclictest0-21swapper/022:05:010
1242199523cyclictest0-21swapper/022:05:010
1242199523cyclictest0-21swapper/022:05:010
1242199523cyclictest0-21swapper/020:52:400
1242199523cyclictest0-21swapper/020:52:400
1242199523cyclictest0-21swapper/020:27:430
1242199523cyclictest0-21swapper/020:27:430
1242199522cyclictest30608-21df21:42:290
1242199522cyclictest30608-21df21:42:290
1242199522cyclictest30608-21df21:42:290
1242199522cyclictest12239-21meminfo22:07:370
1242199522cyclictest12239-21meminfo22:07:370
1242199521cyclictest1959-21runrttasks20:25:100
1242199521cyclictest1959-21runrttasks20:25:100
1242199521cyclictest1959-21runrttasks20:25:100
71510rcu_preempt0-21swapper/120:11:451
71510rcu_preempt0-21swapper/120:11:451
1242199514cyclictest0-21swapper/023:57:150
1242199514cyclictest0-21swapper/023:57:150
1242199514cyclictest0-21swapper/021:57:430
1242199514cyclictest0-21swapper/021:57:430
1242199513cyclictest21667-21users19:42:450
1242199513cyclictest21667-21users19:42:450
1242199513cyclictest21667-21users19:42:450
1242199513cyclictest0-21swapper/023:57:270
1242199513cyclictest0-21swapper/023:57:270
1242199513cyclictest0-21swapper/022:37:160
1242199513cyclictest0-21swapper/022:37:160
1242199513cyclictest0-21swapper/021:51:550
1242199513cyclictest0-21swapper/021:51:550
1242199513cyclictest0-21swapper/021:17:300
1242199513cyclictest0-21swapper/021:17:300
1242199513cyclictest0-21swapper/021:17:300
1242199513cyclictest0-21swapper/020:37:380
1242199513cyclictest0-21swapper/020:37:380
1242199513cyclictest0-21swapper/020:12:350
1242199513cyclictest0-21swapper/020:12:350
1242199513cyclictest0-21swapper/020:12:350
1242199513cyclictest0-21swapper/019:37:280
1242199513cyclictest0-21swapper/019:37:280
1242199513cyclictest0-21swapper/019:37:280
1242199513cyclictest0-21swapper/000:22:330
1242199513cyclictest0-21swapper/000:22:330
1242199513cyclictest0-21swapper/000:22:330
1242199513cyclictest0-21swapper/000:14:110
1242199513cyclictest0-21swapper/000:14:110
1242199513cyclictest0-21swapper/000:14:110
1242199513cyclictest0-21swapper/000:07:400
1242199513cyclictest0-21swapper/000:07:400
1242199512cyclictest32553-21ssh22:43:200
1242199512cyclictest32553-21ssh22:43:200
1242199512cyclictest32553-21ssh22:43:200
1242199512cyclictest27595-21ssh00:32:250
1242199512cyclictest27595-21ssh00:32:250
1242199512cyclictest23513-21ntp_states22:27:420
1242199512cyclictest23513-21ntp_states22:27:420
1242199512cyclictest23513-21ntp_states22:27:420
1242199512cyclictest19648-21irqstats21:22:350
1242199512cyclictest19648-21irqstats21:22:350
1242199512cyclictest16872-21df_inode19:27:320
1242199512cyclictest16872-21df_inode19:27:320
1242199512cyclictest10489-21irqstats23:02:360
1242199512cyclictest10489-21irqstats23:02:360
1242199512cyclictest10028-21latency_hist23:02:170
1242199512cyclictest10028-21latency_hist23:02:170
1242199512cyclictest10028-21latency_hist23:02:170
1242199503cyclictest0-21swapper/022:26:410
1242199503cyclictest0-21swapper/022:26:410
1242199503cyclictest0-21swapper/022:26:410
1242199503cyclictest0-21swapper/021:02:350
1242199503cyclictest0-21swapper/021:02:350
1242199503cyclictest0-21swapper/021:02:350
1242199503cyclictest0-21swapper/000:30:250
1242199503cyclictest0-21swapper/000:30:250
1242199503cyclictest0-21swapper/000:30:250
1242199502cyclictest3194-21ntp_states23:47:400
1242199502cyclictest3194-21ntp_states23:47:400
1242199502cyclictest3194-21ntp_states23:47:400
1242199502cyclictest1959-21runrttasks20:05:050
1242199502cyclictest1959-21runrttasks20:05:050
1242199502cyclictest1959-21runrttasks20:05:050
1242199502cyclictest18200-21apt23:17:150
1242199502cyclictest18200-21apt23:17:150
1242199502cyclictest18200-21apt23:17:150
1242199502cyclictest17851-21meminfo22:17:380
1242199502cyclictest17851-21meminfo22:17:380
1242199502cyclictest17851-21meminfo22:17:380
1242199501cyclictest3401-21apt-get21:52:270
1242199501cyclictest3401-21apt-get21:52:270
1242199501cyclictest3401-21apt-get21:52:270
1242199501cyclictest22852-21awk19:47:420
1242199501cyclictest22852-21awk19:47:420
71490rcu_preempt0-21swapper/122:05:501
71490rcu_preempt0-21swapper/122:05:501
71490rcu_preempt0-21swapper/122:05:501
71490rcu_preempt0-21swapper/121:50:531
71490rcu_preempt0-21swapper/121:50:531
71490rcu_preempt0-21swapper/100:08:271
71490rcu_preempt0-21swapper/100:08:271
1242199494cyclictest0-21swapper/021:39:000
1242199494cyclictest0-21swapper/021:39:000
1242199493cyclictest0-21swapper/023:22:410
1242199493cyclictest0-21swapper/023:22:410
1242199493cyclictest0-21swapper/022:55:430
1242199493cyclictest0-21swapper/022:55:430
1242199492cyclictest5301-21df_inode20:42:310
1242199492cyclictest5301-21df_inode20:42:310
1242199492cyclictest5301-21df_inode20:42:310
1242199492cyclictest29919-21meminfo23:37:350
1242199492cyclictest29919-21meminfo23:37:350
1242199492cyclictest29919-21meminfo23:37:350
1242199492cyclictest27765-21aten_r4power_cu20:07:260
1242199492cyclictest27765-21aten_r4power_cu20:07:260
1242199492cyclictest15539-21irqstats19:22:330
1242199492cyclictest15539-21irqstats19:22:330
1242199492cyclictest15539-21irqstats19:22:330
71480rcu_preempt0-21swapper/221:30:392
71480rcu_preempt0-21swapper/221:30:392
71480rcu_preempt0-21swapper/122:11:071
71480rcu_preempt0-21swapper/122:11:071
71480rcu_preempt0-21swapper/100:05:401
71480rcu_preempt0-21swapper/100:05:401
71480rcu_preempt0-21swapper/100:05:401
71470rcu_preempt13282-21diskmemload21:57:321
71470rcu_preempt13282-21diskmemload21:57:321
71470rcu_preempt0-21swapper/322:57:173
71470rcu_preempt0-21swapper/322:57:173
71470rcu_preempt0-21swapper/322:47:473
71470rcu_preempt0-21swapper/322:47:473
71470rcu_preempt0-21swapper/123:46:101
71470rcu_preempt0-21swapper/123:46:101
71470rcu_preempt0-21swapper/123:46:101
71470rcu_preempt0-21swapper/123:25:231
71470rcu_preempt0-21swapper/123:25:231
71470rcu_preempt0-21swapper/120:42:231
71470rcu_preempt0-21swapper/120:42:231
71470rcu_preempt0-21swapper/120:42:231
1242199472cyclictest1959-21runrttasks22:15:090
1242199472cyclictest1959-21runrttasks22:15:090
1242199472cyclictest0-21swapper/021:15:280
1242199472cyclictest0-21swapper/021:15:280
71460rcu_preempt0-21swapper/323:42:423
71460rcu_preempt0-21swapper/323:42:423
71460rcu_preempt0-21swapper/323:42:423
71460rcu_preempt0-21swapper/200:08:592
71460rcu_preempt0-21swapper/200:08:592
71460rcu_preempt0-21swapper/123:10:171
71460rcu_preempt0-21swapper/123:10:171
71460rcu_preempt0-21swapper/123:10:171
71460rcu_preempt0-21swapper/122:55:591
71460rcu_preempt0-21swapper/122:55:591
71460rcu_preempt0-21swapper/120:23:391
71460rcu_preempt0-21swapper/120:23:391
71460rcu_preempt0-21swapper/120:23:391
71460rcu_preempt0-21swapper/119:23:481
71460rcu_preempt0-21swapper/119:23:481
71460rcu_preempt0-21swapper/119:23:481
1599460migration/012199-21taskset19:11:060
1599460migration/012199-21taskset19:11:060
12421994616cyclictest0-21swapper/020:37:150
12421994616cyclictest0-21swapper/020:37:150
71450rcu_preempt23919-21kworker/2:023:27:272
71450rcu_preempt23919-21kworker/2:023:27:272
71450rcu_preempt1704-21ntpd23:45:472
71450rcu_preempt1704-21ntpd23:45:472
71450rcu_preempt1704-21ntpd23:45:472
71450rcu_preempt0-21swapper/321:28:493
71450rcu_preempt0-21swapper/321:28:493
71450rcu_preempt0-21swapper/220:50:112
71450rcu_preempt0-21swapper/220:50:112
71450rcu_preempt0-21swapper/121:42:351
71450rcu_preempt0-21swapper/121:42:351
71450rcu_preempt0-21swapper/121:42:351
1242199453cyclictest13691-21munin-run19:17:140
1242199453cyclictest13691-21munin-run19:17:140
1242199453cyclictest0-21swapper/019:32:280
1242199453cyclictest0-21swapper/019:32:280
1242199451cyclictest10443-21sshd21:01:530
1242199451cyclictest10443-21sshd21:01:530
1242199451cyclictest10443-21sshd21:01:530
71440rcu_preempt0-21swapper/323:12:503
71440rcu_preempt0-21swapper/323:12:503
71440rcu_preempt0-21swapper/323:12:503
71440rcu_preempt0-21swapper/323:10:423
71440rcu_preempt0-21swapper/323:10:423
71440rcu_preempt0-21swapper/323:10:423
71440rcu_preempt0-21swapper/300:26:473
71440rcu_preempt0-21swapper/300:26:473
71440rcu_preempt0-21swapper/300:26:473
71440rcu_preempt0-21swapper/223:06:292
71440rcu_preempt0-21swapper/223:06:292
71440rcu_preempt0-21swapper/222:50:322
71440rcu_preempt0-21swapper/222:50:322
71440rcu_preempt0-21swapper/221:37:162
71440rcu_preempt0-21swapper/221:37:162
71440rcu_preempt0-21swapper/221:37:162
71440rcu_preempt0-21swapper/200:26:232
71440rcu_preempt0-21swapper/200:26:232
71440rcu_preempt0-21swapper/200:26:232
71440rcu_preempt0-21swapper/123:01:111
71440rcu_preempt0-21swapper/123:01:111
71440rcu_preempt0-21swapper/123:01:111
71440rcu_preempt0-21swapper/121:37:141
71440rcu_preempt0-21swapper/121:37:141
71440rcu_preempt0-21swapper/121:37:141
1242199449cyclictest14071-21diskstats19:17:310
1242199449cyclictest14071-21diskstats19:17:310
1242199442cyclictest0-21swapper/000:19:140
1242199442cyclictest0-21swapper/000:19:140
71430rcu_preempt16703-21ssh23:13:201
71430rcu_preempt16703-21ssh23:13:201
71430rcu_preempt16703-21ssh23:13:201
71430rcu_preempt0-21swapper/322:24:163
71430rcu_preempt0-21swapper/322:24:163
71430rcu_preempt0-21swapper/322:24:163
71430rcu_preempt0-21swapper/321:54:533
71430rcu_preempt0-21swapper/321:54:533
71430rcu_preempt0-21swapper/321:54:533
71430rcu_preempt0-21swapper/300:17:223
71430rcu_preempt0-21swapper/300:17:223
71430rcu_preempt0-21swapper/223:18:472
71430rcu_preempt0-21swapper/223:18:472
71430rcu_preempt0-21swapper/223:14:462
71430rcu_preempt0-21swapper/223:14:462
71430rcu_preempt0-21swapper/223:14:462
71430rcu_preempt0-21swapper/221:51:342
71430rcu_preempt0-21swapper/221:51:342
71430rcu_preempt0-21swapper/221:14:212
71430rcu_preempt0-21swapper/221:14:212
71420rcu_preempt17175-21kworker/2:320:04:422
71420rcu_preempt17175-21kworker/2:320:04:422
71420rcu_preempt17175-21kworker/2:320:04:422
71420rcu_preempt13282-21diskmemload23:49:412
71420rcu_preempt13282-21diskmemload23:49:412
71420rcu_preempt13282-21diskmemload23:49:412
71420rcu_preempt0-21swapper/321:26:403
71420rcu_preempt0-21swapper/321:26:403
71420rcu_preempt0-21swapper/222:08:372
71420rcu_preempt0-21swapper/222:08:372
71420rcu_preempt0-21swapper/221:45:192
71420rcu_preempt0-21swapper/221:45:192
71420rcu_preempt0-21swapper/221:45:192
71420rcu_preempt0-21swapper/220:23:082
71420rcu_preempt0-21swapper/220:23:082
71420rcu_preempt0-21swapper/220:23:082
71420rcu_preempt0-21swapper/219:25:562
71420rcu_preempt0-21swapper/219:25:562
71420rcu_preempt0-21swapper/219:25:562
71420rcu_preempt0-21swapper/123:07:121
71420rcu_preempt0-21swapper/123:07:121
71420rcu_preempt0-21swapper/122:28:091
71420rcu_preempt0-21swapper/122:28:091
71420rcu_preempt0-21swapper/122:28:091
71420rcu_preempt0-21swapper/121:20:521
71420rcu_preempt0-21swapper/121:20:521
71420rcu_preempt0-21swapper/121:20:521
71410rcu_preempt8162-21ssh22:57:453
71410rcu_preempt8162-21ssh22:57:453
71410rcu_preempt8162-21ssh22:57:453
71410rcu_preempt0-21swapper/323:59:133
71410rcu_preempt0-21swapper/323:59:133
71410rcu_preempt0-21swapper/223:25:042
71410rcu_preempt0-21swapper/223:25:042
71410rcu_preempt0-21swapper/223:08:572
71410rcu_preempt0-21swapper/223:08:572
71410rcu_preempt0-21swapper/223:08:572
71410rcu_preempt0-21swapper/222:54:242
71410rcu_preempt0-21swapper/222:54:242
71410rcu_preempt0-21swapper/222:45:462
71410rcu_preempt0-21swapper/222:45:462
71410rcu_preempt0-21swapper/222:45:462
71410rcu_preempt0-21swapper/222:30:442
71410rcu_preempt0-21swapper/222:30:442
71410rcu_preempt0-21swapper/222:30:442
71410rcu_preempt0-21swapper/222:25:052
71410rcu_preempt0-21swapper/222:25:052
71410rcu_preempt0-21swapper/222:25:052
71410rcu_preempt0-21swapper/222:06:242
71410rcu_preempt0-21swapper/222:06:242
71410rcu_preempt0-21swapper/222:06:242
71410rcu_preempt0-21swapper/220:12:252
71410rcu_preempt0-21swapper/220:12:252
71410rcu_preempt0-21swapper/220:12:252
71410rcu_preempt0-21swapper/200:32:212
71410rcu_preempt0-21swapper/200:03:432
71410rcu_preempt0-21swapper/200:03:432
71410rcu_preempt0-21swapper/200:03:432
71410rcu_preempt0-21swapper/120:05:431
71410rcu_preempt0-21swapper/120:05:431
71410rcu_preempt0-21swapper/120:05:431
46250410irq/120-QManpo1958-2110:48:551
46250410irq/120-QManpo1958-2110:48:551
71400rcu_preempt17176-21kworker/3:420:08:013
71400rcu_preempt17176-21kworker/3:420:08:013
71400rcu_preempt12472-21diskmemload00:03:593
71400rcu_preempt12472-21diskmemload00:03:593
71400rcu_preempt12472-21diskmemload00:03:593
71400rcu_preempt0-21swapper/322:02:523
71400rcu_preempt0-21swapper/322:02:523
71400rcu_preempt0-21swapper/322:02:523
71400rcu_preempt0-21swapper/320:15:033
71400rcu_preempt0-21swapper/320:15:033
71400rcu_preempt0-21swapper/320:15:033
71400rcu_preempt0-21swapper/223:59:432
71400rcu_preempt0-21swapper/223:59:432
71400rcu_preempt0-21swapper/223:36:132
71400rcu_preempt0-21swapper/223:36:132
71400rcu_preempt0-21swapper/222:20:582
71400rcu_preempt0-21swapper/222:20:582
71400rcu_preempt0-21swapper/222:20:582
71400rcu_preempt0-21swapper/222:17:032
71400rcu_preempt0-21swapper/222:17:032
71400rcu_preempt0-21swapper/221:40:582
71400rcu_preempt0-21swapper/221:40:582
71400rcu_preempt0-21swapper/221:19:372
71400rcu_preempt0-21swapper/221:19:372
71400rcu_preempt0-21swapper/221:19:372
71400rcu_preempt0-21swapper/221:02:382
71400rcu_preempt0-21swapper/221:02:382
71400rcu_preempt0-21swapper/221:02:382
71400rcu_preempt0-21swapper/220:40:552
71400rcu_preempt0-21swapper/220:40:552
71400rcu_preempt0-21swapper/220:32:182
71400rcu_preempt0-21swapper/220:32:182
71400rcu_preempt0-21swapper/220:09:522
71400rcu_preempt0-21swapper/220:09:522
71400rcu_preempt0-21swapper/219:47:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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