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2026-07-20 - 05:56
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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 Mon Jul 20, 2026 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71670rcu_preempt0-21swapper/021:24:300
71670rcu_preempt0-21swapper/021:24:300
71670rcu_preempt0-21swapper/021:24:300
71510rcu_preempt574-21kswapd022:22:392
71510rcu_preempt574-21kswapd022:22:392
71500rcu_preempt0-21swapper/000:23:400
71500rcu_preempt0-21swapper/000:23:400
71500rcu_preempt0-21swapper/000:23:400
277772500chrt46650irq/116-QMan10:48:553
277772500chrt46650irq/116-QMan10:48:553
18085994826cyclictest25689-21memory00:04:280
18085994826cyclictest25689-21memory00:04:280
18085994826cyclictest25689-21memory00:04:280
18085994625cyclictest3104-21/usr/sbin/munin00:24:220
18085994625cyclictest3104-21/usr/sbin/munin00:24:220
18085994625cyclictest3104-21/usr/sbin/munin00:24:220
18085994616cyclictest0-21swapper/022:29:530
18085994616cyclictest0-21swapper/022:29:530
71450rcu_preempt22245-21sh19:17:250
71450rcu_preempt22245-21sh19:17:250
71450rcu_preempt22245-21sh19:17:250
71450rcu_preempt10098-1kworker/0:2H00:39:280
71450rcu_preempt10098-1kworker/0:2H00:39:280
18085994524cyclictest6174-21meminfo22:24:230
18085994524cyclictest6174-21meminfo22:24:230
18085994524cyclictest6174-21meminfo22:24:230
18085994522cyclictest22641-21/usr/sbin/munin23:59:150
18085994522cyclictest22641-21/usr/sbin/munin23:59:150
18085994522cyclictest22641-21/usr/sbin/munin23:59:150
18085994522cyclictest10573-21sh00:38:500
18085994522cyclictest10573-21sh00:38:500
18085994522cyclictest10573-21sh00:38:500
18085994521cyclictest0-21swapper/021:48:330
18085994521cyclictest0-21swapper/021:48:330
18085994521cyclictest0-21swapper/021:48:330
18085994521cyclictest0-21swapper/019:34:170
18085994521cyclictest0-21swapper/019:34:170
18085994521cyclictest0-21swapper/019:34:170
18085994520cyclictest14789-1kworker/0:1H23:44:210
18085994520cyclictest14789-1kworker/0:1H23:44:210
71440rcu_preempt17694-21Run19:13:550
18085994424cyclictest7325-21apt-get19:39:130
18085994424cyclictest7325-21apt-get19:39:130
18085994423cyclictest17448-21meminfo20:14:220
18085994423cyclictest17448-21meminfo20:14:220
18085994423cyclictest17448-21meminfo20:14:220
18085994421cyclictest0-21swapper/023:24:300
18085994421cyclictest0-21swapper/023:24:300
18085994324cyclictest25648-21diskstats20:44:180
18085994324cyclictest25648-21diskstats20:44:180
18085994324cyclictest25648-21diskstats20:44:180
18085994323cyclictest29524-21ntp_states23:09:300
18085994323cyclictest29524-21ntp_states23:09:300
18085994323cyclictest29524-21ntp_states23:09:300
18085994323cyclictest12725-21meminfo21:34:230
18085994323cyclictest12725-21meminfo21:34:230
18085994323cyclictest12725-21meminfo21:34:230
18085994322cyclictest1959-21runrttasks23:18:440
18085994322cyclictest1959-21runrttasks23:18:440
18085994322cyclictest1959-21runrttasks23:18:440
18085994322cyclictest1959-21runrttasks23:18:440
18085994321cyclictest3243-21/usr/sbin/munin19:24:140
18085994321cyclictest3243-21/usr/sbin/munin19:24:140
18085994321cyclictest31525-21runrttasks21:04:290
18085994321cyclictest31525-21runrttasks21:04:290
18085994321cyclictest31525-21runrttasks21:04:290
18085994321cyclictest29885-21ssh00:13:090
18085994321cyclictest29885-21ssh00:13:090
18085994321cyclictest0-21swapper/022:14:140
18085994321cyclictest0-21swapper/022:14:140
18085994321cyclictest0-21swapper/022:14:140
18085994320cyclictest27799-21cpu22:04:120
18085994320cyclictest27799-21cpu22:04:120
18085994320cyclictest27799-21cpu22:04:120
18085994320cyclictest0-21swapper/023:55:510
18085994320cyclictest0-21swapper/023:55:510
18085994320cyclictest0-21swapper/019:49:150
18085994320cyclictest0-21swapper/019:49:150
18085994319cyclictest28087-21grep19:19:380
18085994319cyclictest28087-21grep19:19:380
18085994223cyclictest7221-21ntp_states23:29:290
18085994223cyclictest7221-21ntp_states23:29:290
18085994223cyclictest23472-21users21:54:310
18085994223cyclictest23472-21users21:54:310
18085994223cyclictest23472-21users21:54:310
18085994223cyclictest12382-21diskstats23:39:160
18085994223cyclictest12382-21diskstats23:39:160
18085994223cyclictest12382-21diskstats23:39:160
18085994222cyclictest4093-21sh22:20:060
18085994222cyclictest4093-21sh22:20:060
18085994222cyclictest26252-21munin-run23:04:010
18085994222cyclictest26252-21munin-run23:04:010
18085994222cyclictest17981-21sh22:47:260
18085994222cyclictest17981-21sh22:47:260
18085994222cyclictest17981-21sh22:47:260
18085994222cyclictest14440-21df20:04:130
18085994222cyclictest14440-21df20:04:130
18085994222cyclictest14440-21df20:04:130
18085994220cyclictest13190-1kworker/0:1H21:39:150
18085994220cyclictest13190-1kworker/0:1H21:39:150
18085994220cyclictest0-21swapper/023:05:050
18085994220cyclictest0-21swapper/023:05:050
18085994220cyclictest0-21swapper/023:05:050
18085994219cyclictest192702sleep023:52:010
18085994219cyclictest192702sleep023:52:010
18085994219cyclictest192702sleep023:52:010
18085994218cyclictest0-21swapper/022:55:010
18085994218cyclictest0-21swapper/022:55:010
18085994218cyclictest0-21swapper/022:55:010
18085994218cyclictest0-21swapper/021:30:130
18085994218cyclictest0-21swapper/021:30:130
18085994218cyclictest0-21swapper/021:30:130
18085994218cyclictest0-21swapper/020:54:230
18085994218cyclictest0-21swapper/020:54:230
18085994218cyclictest0-21swapper/020:54:230
18085994218cyclictest0-21swapper/000:17:400
18085994218cyclictest0-21swapper/000:17:400
18085994218cyclictest0-21swapper/000:17:400
18085994217cyclictest0-21swapper/021:21:090
18085994217cyclictest0-21swapper/021:21:090
18085994217cyclictest0-21swapper/021:21:090
71410rcu_preempt8318-21Run19:13:101
71410rcu_preempt22367-21spawn19:13:022
18085994121cyclictest8727-21apt-get19:44:130
18085994121cyclictest8727-21apt-get19:44:130
18085994121cyclictest8727-21apt-get19:44:130
18085994121cyclictest30568-21irqstats22:09:220
18085994121cyclictest30568-21irqstats22:09:220
18085994121cyclictest30568-21irqstats22:09:220
18085994121cyclictest19129-21meminfo22:49:230
18085994121cyclictest19129-21meminfo22:49:230
18085994121cyclictest1760-21df23:19:140
18085994121cyclictest1760-21df23:19:140
18085994121cyclictest1760-21df23:19:140
18085994120cyclictest18500-21grep20:19:120
18085994120cyclictest18500-21grep20:19:120
18085994120cyclictest0-21swapper/020:39:280
18085994120cyclictest0-21swapper/020:39:280
18085994119cyclictest25661-21ntp_states21:59:280
18085994119cyclictest25661-21ntp_states21:59:280
18085994119cyclictest0-21swapper/022:40:350
18085994119cyclictest0-21swapper/022:40:350
18085994119cyclictest0-21swapper/022:40:350
18085994119cyclictest0-21swapper/000:33:550
18085994119cyclictest0-21swapper/000:33:550
18085994119cyclictest0-21swapper/000:33:550
18085994118cyclictest210032sleep020:28:000
18085994118cyclictest210032sleep020:28:000
18085994118cyclictest210032sleep020:28:000
71400rcu_preempt25427-21rm19:18:431
71400rcu_preempt25427-21rm19:18:431
71400rcu_preempt25427-21rm19:18:431
18085994022cyclictest26956-21df20:49:110
18085994022cyclictest26956-21df20:49:110
18085994022cyclictest26956-21df20:49:110
18085994021cyclictest4861-21irqstats19:29:210
18085994021cyclictest4861-21irqstats19:29:210
18085994021cyclictest4861-21irqstats19:29:210
18085994021cyclictest15903-21df_inode20:09:200
18085994021cyclictest15903-21df_inode20:09:200
18085994021cyclictest15903-21df_inode20:09:200
18085994018cyclictest0-21swapper/022:35:300
18085994018cyclictest0-21swapper/022:35:300
18085994018cyclictest0-21swapper/022:35:300
18085994018cyclictest0-21swapper/021:49:290
18085994018cyclictest0-21swapper/021:49:290
158982400sleep246450irq/118-QMan10:48:552
158982400sleep246450irq/118-QMan10:48:552
158982400sleep246450irq/118-QMan10:48:552
71390rcu_preempt2544-21sh19:22:301
71390rcu_preempt2544-21sh19:22:301
18085993924cyclictest1369-21/usr/sbin/munin21:14:230
18085993924cyclictest1369-21/usr/sbin/munin21:14:230
71380rcu_preempt24172-21spawn19:12:073
71380rcu_preempt0-21swapper/319:21:133
71380rcu_preempt0-21swapper/319:21:133
71380rcu_preempt0-21swapper/119:39:221
71380rcu_preempt0-21swapper/119:39:221
18085993819cyclictest13831-21sshd20:00:290
18085993819cyclictest13831-21sshd20:00:290
18085993817cyclictest0-21swapper/023:37:310
18085993817cyclictest0-21swapper/023:37:310
18085993817cyclictest0-21swapper/020:34:230
18085993817cyclictest0-21swapper/020:34:230
18085993816cyclictest304702chrt20:59:540
18085993816cyclictest304702chrt20:59:540
71370rcu_preempt0-21swapper/323:13:093
71370rcu_preempt0-21swapper/323:13:093
71370rcu_preempt0-21swapper/323:13:093
71370rcu_preempt0-21swapper/123:17:521
71370rcu_preempt0-21swapper/123:17:521
71370rcu_preempt0-21swapper/123:17:521
71370rcu_preempt0-21swapper/123:17:521
71370rcu_preempt0-21swapper/123:05:041
71370rcu_preempt0-21swapper/123:05:041
71370rcu_preempt0-21swapper/123:05:041
71370rcu_preempt0-21swapper/122:12:091
71370rcu_preempt0-21swapper/122:12:091
71370rcu_preempt0-21swapper/122:12:091
71370rcu_preempt0-21swapper/100:10:121
71370rcu_preempt0-21swapper/100:10:121
2899370migration/317923-21aten_r4power_cu19:14:123
2899370migration/317923-21aten_r4power_cu19:14:123
2899370migration/317923-21aten_r4power_cu19:14:123
18085993727cyclictest21229-21apt-get20:29:110
18085993727cyclictest21229-21apt-get20:29:110
18085993717cyclictest0-21swapper/021:09:250
18085993717cyclictest0-21swapper/021:09:250
18085993717cyclictest0-21swapper/021:09:250
71360rcu_preempt4143-21copy21:19:132
71360rcu_preempt4143-21copy21:19:132
71360rcu_preempt4143-21copy21:19:132
71360rcu_preempt26624-21ssh00:06:001
71360rcu_preempt26624-21ssh00:06:001
71360rcu_preempt26624-21ssh00:06:001
71360rcu_preempt2392-21multi.sh19:22:282
71360rcu_preempt2392-21multi.sh19:22:282
71360rcu_preempt10662-21ssh00:39:011
71360rcu_preempt10662-21ssh00:39:011
71360rcu_preempt10662-21ssh00:39:011
71360rcu_preempt0-21swapper/220:12:572
71360rcu_preempt0-21swapper/220:12:572
71360rcu_preempt0-21swapper/220:12:572
71360rcu_preempt0-21swapper/122:40:141
71360rcu_preempt0-21swapper/122:40:141
71360rcu_preempt0-21swapper/122:40:141
71360rcu_preempt0-21swapper/121:58:321
71360rcu_preempt0-21swapper/121:58:321
71360rcu_preempt0-21swapper/121:58:321
71360rcu_preempt0-21swapper/121:41:471
71360rcu_preempt0-21swapper/121:41:471
71360rcu_preempt0-21swapper/121:37:101
71360rcu_preempt0-21swapper/121:37:101
71360rcu_preempt0-21swapper/121:37:101
71360rcu_preempt0-21swapper/119:46:361
71360rcu_preempt0-21swapper/119:46:361
71360rcu_preempt0-21swapper/119:46:361
71350rcu_preempt29446-21sh22:07:083
71350rcu_preempt29446-21sh22:07:083
71350rcu_preempt29446-21sh22:07:083
71350rcu_preempt22286-21sh22:54:421
71350rcu_preempt22286-21sh22:54:421
71350rcu_preempt22286-21sh22:54:421
71350rcu_preempt0-21swapper/223:54:322
71350rcu_preempt0-21swapper/223:54:322
71350rcu_preempt0-21swapper/223:08:482
71350rcu_preempt0-21swapper/223:08:482
71350rcu_preempt0-21swapper/223:08:482
71350rcu_preempt0-21swapper/221:17:312
71350rcu_preempt0-21swapper/221:17:312
71350rcu_preempt0-21swapper/200:30:102
71350rcu_preempt0-21swapper/200:30:102
71350rcu_preempt0-21swapper/200:30:102
71350rcu_preempt0-21swapper/123:45:511
71350rcu_preempt0-21swapper/123:45:511
71350rcu_preempt0-21swapper/120:12:211
71350rcu_preempt0-21swapper/120:12:211
71350rcu_preempt0-21swapper/120:12:211
71350rcu_preempt0-21swapper/119:25:181
71350rcu_preempt0-21swapper/119:25:181
71350rcu_preempt0-21swapper/100:22:371
71350rcu_preempt0-21swapper/100:22:371
71350rcu_preempt0-21swapper/100:22:371
18085993520cyclictest11782-21/usr/sbin/munin19:54:170
18085993520cyclictest11782-21/usr/sbin/munin19:54:170
71340rcu_preempt12056-21sh00:40:251
71340rcu_preempt12056-21sh00:40:251
71340rcu_preempt0-21swapper/222:55:122
71340rcu_preempt0-21swapper/222:55:122
71340rcu_preempt0-21swapper/222:55:122
71340rcu_preempt0-21swapper/222:35:382
71340rcu_preempt0-21swapper/222:35:382
71340rcu_preempt0-21swapper/222:35:382
71340rcu_preempt0-21swapper/200:42:102
71340rcu_preempt0-21swapper/200:42:102
71340rcu_preempt0-21swapper/123:54:191
71340rcu_preempt0-21swapper/123:54:191
71340rcu_preempt0-21swapper/123:37:111
71340rcu_preempt0-21swapper/123:37:111
71340rcu_preempt0-21swapper/123:25:311
71340rcu_preempt0-21swapper/123:25:311
71340rcu_preempt0-21swapper/123:03:121
71340rcu_preempt0-21swapper/123:03:121
71340rcu_preempt0-21swapper/122:51:501
71340rcu_preempt0-21swapper/122:51:501
71340rcu_preempt0-21swapper/122:18:301
71340rcu_preempt0-21swapper/122:18:301
71340rcu_preempt0-21swapper/122:18:301
71340rcu_preempt0-21swapper/121:53:551
71340rcu_preempt0-21swapper/121:53:551
71340rcu_preempt0-21swapper/121:28:441
71340rcu_preempt0-21swapper/121:28:441
71340rcu_preempt0-21swapper/121:28:441
71340rcu_preempt0-21swapper/121:20:501
71340rcu_preempt0-21swapper/121:20:501
71340rcu_preempt0-21swapper/121:20:501
71340rcu_preempt0-21swapper/121:14:231
71340rcu_preempt0-21swapper/121:14:231
71340rcu_preempt0-21swapper/100:34:071
71340rcu_preempt0-21swapper/100:34:071
71330rcu_preempt5544-21sendmail-msp23:18:223
71330rcu_preempt5544-21sendmail-msp23:18:223
71330rcu_preempt5544-21sendmail-msp23:18:223
71330rcu_preempt5544-21sendmail-msp23:18:223
71330rcu_preempt5374-21sh22:23:381
71330rcu_preempt5374-21sh22:23:381
71330rcu_preempt23998-21kworker/2:021:49:102
71330rcu_preempt23998-21kworker/2:021:49:102
71330rcu_preempt23904-21copy20:39:113
71330rcu_preempt23904-21copy20:39:113
71330rcu_preempt20610-1kworker/3:2H21:49:333
71330rcu_preempt20610-1kworker/3:2H21:49:333
71330rcu_preempt14778-21sendmail-msp00:31:001
71330rcu_preempt10416-1kworker/1:4H21:49:041
71330rcu_preempt10416-1kworker/1:4H21:49:041
71330rcu_preempt10416-1kworker/1:4H21:49:041
71330rcu_preempt0-21swapper/323:51:533
71330rcu_preempt0-21swapper/323:51:533
71330rcu_preempt0-21swapper/323:51:533
71330rcu_preempt0-21swapper/323:45:593
71330rcu_preempt0-21swapper/323:45:593
71330rcu_preempt0-21swapper/323:02:503
71330rcu_preempt0-21swapper/323:02:503
71330rcu_preempt0-21swapper/321:44:243
71330rcu_preempt0-21swapper/321:44:243
71330rcu_preempt0-21swapper/321:44:243
71330rcu_preempt0-21swapper/321:00:283
71330rcu_preempt0-21swapper/321:00:283
71330rcu_preempt0-21swapper/300:34:503
71330rcu_preempt0-21swapper/300:34:503
71330rcu_preempt0-21swapper/300:34:503
71330rcu_preempt0-21swapper/300:34:083
71330rcu_preempt0-21swapper/223:53:222
71330rcu_preempt0-21swapper/223:53:222
71330rcu_preempt0-21swapper/223:53:222
71330rcu_preempt0-21swapper/223:18:052
71330rcu_preempt0-21swapper/223:18:052
71330rcu_preempt0-21swapper/223:18:052
71330rcu_preempt0-21swapper/223:18:052
71330rcu_preempt0-21swapper/222:32:012
71330rcu_preempt0-21swapper/222:32:012
71330rcu_preempt0-21swapper/222:26:012
71330rcu_preempt0-21swapper/222:26:012
71330rcu_preempt0-21swapper/222:26:012
71330rcu_preempt0-21swapper/221:39:262
71330rcu_preempt0-21swapper/221:39:262
71330rcu_preempt0-21swapper/221:32:202
71330rcu_preempt0-21swapper/221:32:202
71330rcu_preempt0-21swapper/221:32:202
71330rcu_preempt0-21swapper/221:11:542
71330rcu_preempt0-21swapper/221:11:542
71330rcu_preempt0-21swapper/221:11:542
71330rcu_preempt0-21swapper/221:03:252
71330rcu_preempt0-21swapper/221:03:252
71330rcu_preempt0-21swapper/220:44:312
71330rcu_preempt0-21swapper/220:44:312
71330rcu_preempt0-21swapper/220:44:312
71330rcu_preempt0-21swapper/220:24:272
71330rcu_preempt0-21swapper/220:24:272
71330rcu_preempt0-21swapper/220:24:272
71330rcu_preempt0-21swapper/220:14:562
71330rcu_preempt0-21swapper/220:14:562
71330rcu_preempt0-21swapper/220:14:562
71330rcu_preempt0-21swapper/219:36:322
71330rcu_preempt0-21swapper/219:36:322
71330rcu_preempt0-21swapper/219:36:322
71330rcu_preempt0-21swapper/219:18:362
71330rcu_preempt0-21swapper/219:18:362
71330rcu_preempt0-21swapper/219:18:362
71330rcu_preempt0-21swapper/200:37:492
71330rcu_preempt0-21swapper/200:37:492
71330rcu_preempt0-21swapper/200:37:492
71330rcu_preempt0-21swapper/200:11:242
71330rcu_preempt0-21swapper/200:11:242
71330rcu_preempt0-21swapper/200:03:032
71330rcu_preempt0-21swapper/200:03:032
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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