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2026-08-11 - 05:15
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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 Tue Aug 11, 2026 00:44:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
46050530irq/122-QManpo17850-2110:48:550
46050530irq/122-QManpo17850-2110:48:550
71510rcu_preempt4654-21kworker/2:019:29:312
71510rcu_preempt4654-21kworker/2:019:29:312
71510rcu_preempt0-21swapper/023:25:030
71510rcu_preempt0-21swapper/023:25:030
71490rcu_preempt17659-21copy22:09:271
71490rcu_preempt17659-21copy22:09:271
71490rcu_preempt17659-21copy22:09:271
71480rcu_preempt0-21swapper/000:43:370
71480rcu_preempt0-21swapper/000:43:370
71480rcu_preempt0-21swapper/000:43:370
1786099472cyclictest22313-21ntp_states19:29:491
1786099472cyclictest22313-21ntp_states19:29:491
1786099472cyclictest1872-21/usr/sbin/munin20:14:471
1786099472cyclictest1872-21/usr/sbin/munin20:14:471
1786099471cyclictest1959-21runrttasks23:14:181
1786099471cyclictest1959-21runrttasks23:14:181
71460rcu_preempt0-21swapper/022:09:310
71460rcu_preempt0-21swapper/022:09:310
71450rcu_preempt6632-21apt-get00:39:351
71450rcu_preempt6632-21apt-get00:39:351
71450rcu_preempt6632-21apt-get00:39:351
71450rcu_preempt0-21swapper/122:10:471
71450rcu_preempt0-21swapper/122:10:471
71450rcu_preempt0-21swapper/023:49:500
71450rcu_preempt0-21swapper/023:49:500
71450rcu_preempt0-21swapper/023:34:320
71450rcu_preempt0-21swapper/023:34:320
71450rcu_preempt0-21swapper/021:49:560
71450rcu_preempt0-21swapper/021:49:560
71450rcu_preempt0-21swapper/000:11:200
71450rcu_preempt0-21swapper/000:11:200
71450rcu_preempt0-21swapper/000:05:090
71450rcu_preempt0-21swapper/000:05:090
1786099452cyclictest6035-21/usr/sbin/munin20:29:451
1786099452cyclictest6035-21/usr/sbin/munin20:29:451
71440rcu_preempt0-21swapper/022:49:480
71440rcu_preempt0-21swapper/022:49:480
1786099442cyclictest26461-21aten_r4power_cu22:24:361
1786099442cyclictest26461-21aten_r4power_cu22:24:361
1786099441cyclictest557-21aten_r4power_cu21:39:351
1786099441cyclictest557-21aten_r4power_cu21:39:351
1786099441cyclictest557-21aten_r4power_cu21:39:351
71430rcu_preempt0-21swapper/223:13:002
71430rcu_preempt0-21swapper/223:13:002
71430rcu_preempt0-21swapper/222:29:412
71430rcu_preempt0-21swapper/222:29:412
71430rcu_preempt0-21swapper/222:29:412
71430rcu_preempt0-21swapper/023:21:370
71430rcu_preempt0-21swapper/023:21:370
71430rcu_preempt0-21swapper/023:21:370
71430rcu_preempt0-21swapper/022:36:510
71430rcu_preempt0-21swapper/022:36:510
71430rcu_preempt0-21swapper/022:02:000
71430rcu_preempt0-21swapper/022:02:000
71430rcu_preempt0-21swapper/022:02:000
71430rcu_preempt0-21swapper/021:33:560
71430rcu_preempt0-21swapper/021:33:560
71430rcu_preempt0-21swapper/000:30:020
71430rcu_preempt0-21swapper/000:30:020
1786099433cyclictest0-21swapper/122:54:261
1786099433cyclictest0-21swapper/122:54:261
1786099432cyclictest0-21swapper/123:01:561
1786099432cyclictest0-21swapper/123:01:561
1786099431cyclictest27413-21runrttasks23:22:151
1786099431cyclictest27413-21runrttasks23:22:151
1786099431cyclictest27413-21runrttasks23:22:151
1786099431cyclictest20659-21/usr/sbin/munin22:14:441
1786099431cyclictest20659-21/usr/sbin/munin22:14:441
71420rcu_preempt20700-21ssh23:09:510
71420rcu_preempt20700-21ssh23:09:510
71420rcu_preempt0-21swapper/020:34:260
71420rcu_preempt0-21swapper/020:34:260
71420rcu_preempt0-21swapper/020:04:520
71420rcu_preempt0-21swapper/020:04:520
1786099424cyclictest30247-21munin-run00:24:231
1786099424cyclictest30247-21munin-run00:24:231
1786099424cyclictest0-21swapper/123:39:491
1786099424cyclictest0-21swapper/123:39:491
1786099424cyclictest0-21swapper/123:39:491
1786099423cyclictest22391-21ntp_states00:09:511
1786099423cyclictest22391-21ntp_states00:09:511
1786099423cyclictest0-21swapper/123:24:481
1786099423cyclictest0-21swapper/123:24:481
1786099422cyclictest9459-21diskstats21:54:391
1786099422cyclictest9459-21diskstats21:54:391
1786099422cyclictest9459-21diskstats21:54:391
1786099422cyclictest5327-21sendmail-msp22:44:511
1786099422cyclictest5327-21sendmail-msp22:44:511
1786099422cyclictest4523-21munin-run20:24:231
1786099422cyclictest4523-21munin-run20:24:231
1786099422cyclictest3929-21meminfo21:44:451
1786099422cyclictest3929-21meminfo21:44:451
1786099422cyclictest24852-21df00:14:371
1786099422cyclictest24852-21df00:14:371
1786099422cyclictest21303-21latency_hist21:19:241
1786099422cyclictest21303-21latency_hist21:19:241
1786099421cyclictest21512-21apt-get21:19:371
1786099421cyclictest21512-21apt-get21:19:371
1786099421cyclictest21512-21apt-get21:19:371
1786099421cyclictest1959-21runrttasks19:54:421
71410rcu_preempt29151-21copy22:29:321
71410rcu_preempt29151-21copy22:29:321
71410rcu_preempt29151-21copy22:29:321
71410rcu_preempt24800-21/usr/sbin/munin19:39:372
71410rcu_preempt24800-21/usr/sbin/munin19:39:372
71410rcu_preempt14932-21wc20:59:492
71410rcu_preempt14932-21wc20:59:492
71410rcu_preempt0-21swapper/121:52:501
71410rcu_preempt0-21swapper/121:52:501
71410rcu_preempt0-21swapper/100:37:261
71410rcu_preempt0-21swapper/100:37:261
46450410irq/118-QManpo17840-2110:48:552
46450410irq/118-QManpo17840-2110:48:552
1786099415cyclictest0-21swapper/123:44:511
1786099415cyclictest0-21swapper/123:44:511
1786099414cyclictest0-21swapper/123:04:381
1786099414cyclictest0-21swapper/123:04:381
1786099413cyclictest0-21swapper/123:38:431
1786099413cyclictest0-21swapper/123:38:431
1786099412cyclictest19550-21ntp_states00:04:521
1786099412cyclictest19550-21ntp_states00:04:521
1786099411cyclictest31734-21runrttasks00:25:501
1786099411cyclictest31734-21runrttasks00:25:501
1786099411cyclictest31504-21apt-get20:04:341
1786099411cyclictest31504-21apt-get20:04:341
1786099411cyclictest20247-21sendmail19:24:221
1786099411cyclictest20247-21sendmail19:24:221
1786099411cyclictest10909-21/usr/sbin/munin23:49:481
1786099411cyclictest10909-21/usr/sbin/munin23:49:481
17860994117cyclictest10601-21meminfo20:44:431
17860994117cyclictest10601-21meminfo20:44:431
71400rcu_preempt28696-21date19:54:261
71400rcu_preempt16616-21ssh22:06:470
71400rcu_preempt16616-21ssh22:06:470
71400rcu_preempt16616-21ssh22:06:470
71400rcu_preempt12409-21kworker/2:321:46:022
71400rcu_preempt12409-21kworker/2:321:46:022
71400rcu_preempt0-21swapper/319:51:093
71400rcu_preempt0-21swapper/319:51:093
71400rcu_preempt0-21swapper/223:05:132
71400rcu_preempt0-21swapper/223:05:132
71400rcu_preempt0-21swapper/023:04:260
71400rcu_preempt0-21swapper/023:04:260
71400rcu_preempt0-21swapper/000:25:130
71400rcu_preempt0-21swapper/000:25:130
46650400irq/116-QManpo17776-2110:48:553
46650400irq/116-QManpo17776-2110:48:553
1786099404cyclictest0-21swapper/122:39:401
1786099404cyclictest0-21swapper/122:39:401
1786099404cyclictest0-21swapper/120:34:321
1786099404cyclictest0-21swapper/120:34:321
1786099403cyclictest835-21apt-get00:29:321
1786099403cyclictest835-21apt-get00:29:321
1786099403cyclictest0-21swapper/122:35:201
1786099403cyclictest0-21swapper/122:35:201
1786099403cyclictest0-21swapper/121:29:331
1786099403cyclictest0-21swapper/121:29:331
1786099403cyclictest0-21swapper/121:04:471
1786099403cyclictest0-21swapper/121:04:471
1786099403cyclictest0-21swapper/120:53:401
1786099403cyclictest0-21swapper/120:53:401
1786099402cyclictest23027-21irqstats23:14:431
1786099402cyclictest23027-21irqstats23:14:431
1786099402cyclictest17147-21/usr/sbin/munin21:09:391
1786099402cyclictest17147-21/usr/sbin/munin21:09:391
1786099402cyclictest13664-21ssh23:54:441
1786099402cyclictest13664-21ssh23:54:441
1786099402cyclictest0-21swapper/121:59:441
1786099402cyclictest0-21swapper/121:59:441
1786099402cyclictest0-21swapper/121:59:441
1786099401cyclictest31263-21/usr/sbin/munin23:29:461
1786099401cyclictest31263-21/usr/sbin/munin23:29:461
1786099401cyclictest23535-21apt-get22:19:341
1786099401cyclictest23535-21apt-get22:19:341
71390rcu_preempt0-21swapper/300:34:263
71390rcu_preempt0-21swapper/300:34:263
71390rcu_preempt0-21swapper/223:30:072
71390rcu_preempt0-21swapper/223:30:072
71390rcu_preempt0-21swapper/222:10:472
71390rcu_preempt0-21swapper/222:10:472
71390rcu_preempt0-21swapper/221:39:342
71390rcu_preempt0-21swapper/221:39:342
71390rcu_preempt0-21swapper/221:39:342
1786099394cyclictest0-21swapper/122:56:501
1786099394cyclictest0-21swapper/122:56:501
1786099393cyclictest0-21swapper/121:24:451
1786099393cyclictest0-21swapper/121:24:451
1786099393cyclictest0-21swapper/119:49:451
1786099391cyclictest30131-21/usr/sbin/munin21:34:381
1786099391cyclictest30131-21/usr/sbin/munin21:34:381
1786099391cyclictest30131-21/usr/sbin/munin21:34:381
1786099391cyclictest0-21swapper/120:09:481
1786099391cyclictest0-21swapper/120:09:481
17860993918cyclictest20573-21df_abs19:24:381
71380rcu_preempt6340-21ssh22:44:530
71380rcu_preempt6340-21ssh22:44:530
71380rcu_preempt31490-21ssh00:25:122
71380rcu_preempt31490-21ssh00:25:122
71380rcu_preempt17858-21cyclictest23:47:422
71380rcu_preempt17858-21cyclictest23:47:422
71380rcu_preempt0-21swapper/320:27:233
71380rcu_preempt0-21swapper/320:27:233
71380rcu_preempt0-21swapper/300:14:513
71380rcu_preempt0-21swapper/300:14:513
71380rcu_preempt0-21swapper/221:24:292
71380rcu_preempt0-21swapper/221:24:292
71380rcu_preempt0-21swapper/220:35:212
71380rcu_preempt0-21swapper/220:35:212
71380rcu_preempt0-21swapper/219:34:422
71380rcu_preempt0-21swapper/219:34:422
71380rcu_preempt0-21swapper/200:15:262
71380rcu_preempt0-21swapper/200:15:262
71380rcu_preempt0-21swapper/200:11:102
71380rcu_preempt0-21swapper/200:11:102
71380rcu_preempt0-21swapper/120:59:391
71380rcu_preempt0-21swapper/120:59:391
71380rcu_preempt0-21swapper/022:33:530
71380rcu_preempt0-21swapper/022:33:530
71380rcu_preempt0-21swapper/022:33:530
71380rcu_preempt0-21swapper/022:20:340
71380rcu_preempt0-21swapper/022:20:340
71380rcu_preempt0-21swapper/021:26:160
71380rcu_preempt0-21swapper/021:26:160
71380rcu_preempt0-21swapper/021:22:150
71380rcu_preempt0-21swapper/021:22:150
71380rcu_preempt0-21swapper/021:22:150
1786099383cyclictest18163-21ntp_states19:15:151
1786099383cyclictest18163-21ntp_states19:15:151
1786099383cyclictest0-21swapper/120:24:521
1786099383cyclictest0-21swapper/120:24:521
1786099382cyclictest1959-21runrttasks00:01:421
1786099382cyclictest1959-21runrttasks00:01:421
17860993815cyclictest26361-21meminfo19:44:441
17860993815cyclictest26361-21meminfo19:44:441
17860993815cyclictest0-21swapper/120:54:461
17860993815cyclictest0-21swapper/120:54:461
71370rcu_preempt3513-21/usr/sbin/munin20:19:412
71370rcu_preempt3513-21/usr/sbin/munin20:19:412
71370rcu_preempt11335-21ssh23:49:562
71370rcu_preempt11335-21ssh23:49:562
71370rcu_preempt0-21swapper/222:24:102
71370rcu_preempt0-21swapper/222:24:102
71370rcu_preempt0-21swapper/222:02:272
71370rcu_preempt0-21swapper/222:02:272
71370rcu_preempt0-21swapper/222:02:272
71370rcu_preempt0-21swapper/221:55:142
71370rcu_preempt0-21swapper/221:55:142
71370rcu_preempt0-21swapper/221:55:142
71370rcu_preempt0-21swapper/221:24:542
71370rcu_preempt0-21swapper/221:24:542
71370rcu_preempt0-21swapper/200:36:402
71370rcu_preempt0-21swapper/200:36:402
71370rcu_preempt0-21swapper/023:55:050
71370rcu_preempt0-21swapper/023:55:050
71370rcu_preempt0-21swapper/021:49:260
71370rcu_preempt0-21swapper/021:49:260
71370rcu_preempt0-21swapper/021:41:180
71370rcu_preempt0-21swapper/021:41:180
71370rcu_preempt0-21swapper/021:41:180
71370rcu_preempt0-21swapper/020:59:350
71370rcu_preempt0-21swapper/020:59:350
71370rcu_preempt0-21swapper/019:24:430
71370rcu_preempt0-21swapper/000:23:340
71370rcu_preempt0-21swapper/000:23:340
1786099373cyclictest0-21swapper/119:39:531
1786099373cyclictest0-21swapper/119:39:531
1786099371cyclictest30105-21apt-get19:59:331
1786099371cyclictest30105-21apt-get19:59:331
1786099371cyclictest1959-21runrttasks20:39:441
1786099371cyclictest1959-21runrttasks20:39:441
1786099371cyclictest0-21swapper/119:34:501
1786099371cyclictest0-21swapper/119:34:501
71360rcu_preempt17002-21grep23:59:503
71360rcu_preempt17002-21grep23:59:503
71360rcu_preempt0-21swapper/323:44:563
71360rcu_preempt0-21swapper/323:44:563
71360rcu_preempt0-21swapper/300:24:263
71360rcu_preempt0-21swapper/300:24:263
71360rcu_preempt0-21swapper/223:26:072
71360rcu_preempt0-21swapper/223:26:072
71360rcu_preempt0-21swapper/222:36:522
71360rcu_preempt0-21swapper/222:36:522
71360rcu_preempt0-21swapper/221:39:262
71360rcu_preempt0-21swapper/221:39:262
71360rcu_preempt0-21swapper/221:39:262
71360rcu_preempt0-21swapper/221:33:322
71360rcu_preempt0-21swapper/221:33:322
71360rcu_preempt0-21swapper/221:19:102
71360rcu_preempt0-21swapper/221:19:102
71360rcu_preempt0-21swapper/219:24:352
71360rcu_preempt0-21swapper/200:05:332
71360rcu_preempt0-21swapper/200:05:332
71360rcu_preempt0-21swapper/200:03:302
71360rcu_preempt0-21swapper/200:03:302
71360rcu_preempt0-21swapper/023:31:130
71360rcu_preempt0-21swapper/023:31:130
71360rcu_preempt0-21swapper/023:18:360
71360rcu_preempt0-21swapper/023:18:360
71360rcu_preempt0-21swapper/023:05:420
71360rcu_preempt0-21swapper/023:05:420
71360rcu_preempt0-21swapper/022:42:490
71360rcu_preempt0-21swapper/022:42:490
71360rcu_preempt0-21swapper/022:25:220
71360rcu_preempt0-21swapper/022:25:220
71360rcu_preempt0-21swapper/021:19:230
71360rcu_preempt0-21swapper/021:19:230
71360rcu_preempt0-21swapper/000:39:010
71360rcu_preempt0-21swapper/000:39:010
71360rcu_preempt0-21swapper/000:16:360
71360rcu_preempt0-21swapper/000:16:360
71360rcu_preempt0-21swapper/000:04:250
71360rcu_preempt0-21swapper/000:04:250
71350rcu_preempt8840-21runrttasks23:45:540
71350rcu_preempt8840-21runrttasks23:45:540
71350rcu_preempt0-21swapper/222:44:472
71350rcu_preempt0-21swapper/222:44:472
71350rcu_preempt0-21swapper/221:21:062
71350rcu_preempt0-21swapper/220:09:262
71350rcu_preempt0-21swapper/220:03:072
71350rcu_preempt0-21swapper/220:03:072
71350rcu_preempt0-21swapper/022:58:490
71350rcu_preempt0-21swapper/022:58:490
71350rcu_preempt0-21swapper/021:35:490
71350rcu_preempt0-21swapper/021:35:490
71350rcu_preempt0-21swapper/021:35:490
71350rcu_preempt0-21swapper/019:22:070
71350rcu_preempt0-21swapper/019:22:070
71340rcu_preempt4438-21sshd22:42:072
71340rcu_preempt4438-21sshd22:42:072
71340rcu_preempt18408-21diskmemload21:53:412
71340rcu_preempt18408-21diskmemload21:53:412
71340rcu_preempt0-21swapper/223:54:382
71340rcu_preempt0-21swapper/223:54:382
71340rcu_preempt0-21swapper/223:21:122
71340rcu_preempt0-21swapper/223:21:122
71340rcu_preempt0-21swapper/223:21:122
71340rcu_preempt0-21swapper/223:15:312
71340rcu_preempt0-21swapper/223:15:312
71340rcu_preempt0-21swapper/223:04:042
71340rcu_preempt0-21swapper/223:04:042
71340rcu_preempt0-21swapper/222:59:232
71340rcu_preempt0-21swapper/222:59:232
71340rcu_preempt0-21swapper/222:51:232
71340rcu_preempt0-21swapper/222:51:232
71340rcu_preempt0-21swapper/222:28:222
71340rcu_preempt0-21swapper/222:28:222
71340rcu_preempt0-21swapper/222:16:092
71340rcu_preempt0-21swapper/222:16:092
71340rcu_preempt0-21swapper/200:30:462
71340rcu_preempt0-21swapper/200:30:462
71340rcu_preempt0-21swapper/200:21:352
71340rcu_preempt0-21swapper/200:21:352
71340rcu_preempt0-21swapper/023:40:340
71340rcu_preempt0-21swapper/023:40:340
71340rcu_preempt0-21swapper/023:40:340
71340rcu_preempt0-21swapper/022:17:230
71340rcu_preempt0-21swapper/022:17:230
71340rcu_preempt0-21swapper/021:56:390
71340rcu_preempt0-21swapper/021:56:390
71340rcu_preempt0-21swapper/021:56:390
71340rcu_preempt0-21swapper/021:05:280
71340rcu_preempt0-21swapper/021:05:280
71340rcu_preempt0-21swapper/020:54:350
71340rcu_preempt0-21swapper/020:54:350
71340rcu_preempt0-21swapper/020:19:460
71340rcu_preempt0-21swapper/020:19:460
71340rcu_preempt0-21swapper/019:44:480
71340rcu_preempt0-21swapper/019:44:480
71340rcu_preempt0-21swapper/019:29:390
71340rcu_preempt0-21swapper/019:29:390
71330rcu_preempt0-21swapper/300:09:553
71330rcu_preempt0-21swapper/300:09:553
71330rcu_preempt0-21swapper/223:36:282
71330rcu_preempt0-21swapper/223:36:282
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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