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2026-05-24 - 08:54
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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
Characteristics of the 376 highest latencies:
System rack5slot1.osadl.org (updated Sun May 24, 2026 00:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3035539920,0EcMasterDemoSyn3036529tAtEmLog_022:48:295
10352910,1sleep20-21swapper/223:07:472
1755839830,0EcMasterDemoSyn1756829tAtEmLog_021:12:085
134639830,0EcMasterDemoSyn135629tAtEmLog_000:19:465
1116739830,0EcMasterDemoSyn1117729tAtEmLog_023:49:215
887639820,0EcMasterDemoSyn888629tAtEmLog_019:51:005
769939820,0EcMasterDemoSyn770929tAtEmLog_022:18:045
716439820,0EcMasterDemoSyn717429tAtEmLog_022:53:335
615539820,0EcMasterDemoSyn616529tAtEmLog_000:04:335
333239820,0EcMasterDemoSyn334229tAtEmLog_021:57:475
286339820,0EcMasterDemoSyn287329tAtEmLog_022:33:175
2528039820,0EcMasterDemoSyn2529029tAtEmLog_023:39:125
142639820,0EcMasterDemoSyn143629tAtEmLog_019:35:485
142639820,0EcMasterDemoSyn143629tAtEmLog_019:35:485
1198539820,0EcMasterDemoSyn1199529tAtEmLog_021:07:045
363039810,0EcMasterDemoSyn364029tAtEmLog_021:22:175
2307839810,0EcMasterDemoSyn2308829tAtEmLog_020:21:265
2080039810,0EcMasterDemoSyn2081029tAtEmLog_023:18:555
2069439810,0EcMasterDemoSyn2070429tAtEmLog_020:16:225
115782390,1sleep50-21swapper/521:26:275
225582200,1sleep322533-21vmstat00:30:263
2009599192,12cyclictest16-1pr/legacy21:27:203
2009599190,9cyclictest10130-21sh00:05:593
2009599185,6cyclictest16656-21cut20:10:113
2009599180,7cyclictest26539-21sh21:52:413
2009599180,7cyclictest20910-21ssh22:43:133
2009599180,7cyclictest19216-21ssh22:24:433
2009599180,7cyclictest12150-21sh23:31:303
2009599180,6cyclictest32546-21needreboot21:20:173
20094991810,6cyclictest4328-21grep23:45:162
2008699181,9cyclictest12322-21sh21:45:100
2008699180,14cyclictest386-21sh21:38:250
2008699180,14cyclictest12918-21sh22:56:010
2008699180,10cyclictest529-21sh22:14:270
2008699180,10cyclictest28257-21sh23:22:470
2008699180,10cyclictest20946-21sh22:43:130
1523799180,10tDemoTimingTask16397-21chrt00:10:015
1256339180,0EcMasterDemoSyn0-21swapper/522:02:515
771099170,7tDemoTimingTask14064-21chrt22:21:105
484899170,10tDemoTimingTask4852-21chrt20:51:535
2009699171,8cyclictest60-21ksoftirqd/422:44:504
2009599175,6cyclictest755-21postgres20:00:103
2009599175,6cyclictest25962-21sed21:35:003
2009599175,6cyclictest25962-21sed21:35:003
2009599175,2cyclictest0-21swapper/322:11:243
2009599174,7cyclictest3795-21sed22:15:263
2009599174,7cyclictest22622-21latency23:55:183
2009599174,6cyclictest8520-21which21:00:153
2009599174,6cyclictest5071-21cat23:45:213
2009599174,6cyclictest30876-21grep21:55:143
2009599174,6cyclictest25749-21expr19:20:143
2009599174,6cyclictest10548-21sshd23:13:043
2009599170,9cyclictest780-21runrttasks20:57:143
2009599170,7cyclictest6123-21sh21:41:033
2009599170,7cyclictest23080-21rm22:08:503
2009599170,7cyclictest15662-21rm22:05:013
2009599170,7cyclictest1566-21ssh21:39:143
2009599170,10cyclictest28437-21sh00:16:023
2009599170,10cyclictest25637-21runrttasks22:27:523
2009599170,10cyclictest22473-21sh23:37:133
2009599170,10cyclictest15201-21ssh23:50:503
2009599170,10cyclictest13975-21swap21:45:283
2008699175,10cyclictest6233-21grep00:04:360
2008699170,9cyclictest7002-21sh21:24:350
2008699170,9cyclictest2731-21sh00:20:140
2008699170,9cyclictest23934-21diskmemload23:02:250
2008699170,9cyclictest21962-21sh23:19:440
2008699170,9cyclictest21705-21sh00:12:370
2008699170,9cyclictest13950-21sh22:39:400
1926729170,15tAtEmLog_020341-21taskset19:10:035
1124399170,12tDemoTimingTask11823-21taskset20:00:015
249199160,9tDemoTimingTask2522-21taskset20:46:515
20096991612,3cyclictest30387-21apache200:00:024
2009599164,6cyclictest27977-21sed23:40:183
2009599164,6cyclictest24003-21grep20:25:133
2009599163,6cyclictest15491-21sensors20:05:203
2009599163,5cyclictest12207-21cat00:25:173
2009599162,7cyclictest17198-21fschecks_time00:10:153
2009599161,8cyclictest5976-21ssh22:35:123
2009599161,7cyclictest4139-21runintdemo5min19:40:553
2009599161,7cyclictest32338-21switchtime00:00:243
2009599161,7cyclictest29805-21ssh00:35:153
2009599161,7cyclictest23656-21ssh21:15:213
2009599161,7cyclictest10963-21ssh22:55:183
2009599160,9cyclictest780-21runrttasks20:53:023
2009599160,9cyclictest30657-21load19:30:173
2009599160,9cyclictest30475-21sh22:48:323
2009599160,9cyclictest1482-21runrttasks19:36:033
2009599160,9cyclictest1482-21runrttasks19:36:033
2009599160,8cyclictest28876-21grep23:05:153
2009599160,8cyclictest24914-21rm23:20:263
2009599160,8cyclictest20436-21aten2_r5power_p19:10:113
2009599160,8cyclictest19419-21cut23:00:133
2009599160,7cyclictest6494-21grep19:45:583
2009599160,7cyclictest4563-21ssh23:27:343
2009599160,7cyclictest4563-21ssh23:27:343
2009599160,7cyclictest16516-21ssh23:15:543
2009599160,10cyclictest6787-21sh00:22:153
2009599160,10cyclictest5394-21sh22:52:223
2009599160,10cyclictest2767-21latency_hist20:50:003
2009599160,10cyclictest1705-21sh22:32:293
2009599160,10cyclictest15843-21ssh21:10:573
2009199164,9cyclictest716-21snmpd22:35:151
2009199162,11cyclictest30179-21mandb00:00:021
2009199160,9cyclictest22681-21ssh21:32:501
2009199160,9cyclictest22681-21ssh21:32:501
2008699166,8cyclictest28938-21sh22:47:300
2008699164,8cyclictest755-21postgres21:31:150
2008699164,8cyclictest755-21postgres21:31:140
2008699164,5cyclictest711-21gdbus23:10:000
20086991612,3cyclictest21022-21munin-plugin-st20:19:590
2008699160,9cyclictest780-21runrttasks22:22:230
2008699160,8cyclictest9268-21runrttasks21:43:120
2008699160,7cyclictest16006-21ssh22:05:020
1598029160,9tAtEmLog_016281-21chrt20:09:565
1361539160,4EcMasterDemoSyn0-21swapper/520:01:095
2439129150,9tAtEmLog_024423-21chrt19:15:345
2174429150,6tAtEmLog_022330-21taskset22:08:195
2009699158,7cyclictest20081-21cyclictest21:57:044
2009699158,5cyclictest26454-21latency_hist23:40:004
2009699158,5cyclictest1385-21sed22:50:144
2009699155,8cyclictest21545-21/usr/sbin/munin22:25:204
2009699154,6cyclictest32623-21kworker/u24:0+nfsiod21:12:014
2009699150,9cyclictest780-21runrttasks20:37:334
2009699150,9cyclictest1661-21runrttasks19:38:274
2009699150,9cyclictest1661-21runrttasks19:38:274
2009599151,7cyclictest7548-21/usr/sbin/munin19:50:153
2009599150,9cyclictest26043-21/usr/sbin/munin20:30:113
2009599150,8cyclictest31982-21/usr/sbin/munin20:40:203
2009599150,8cyclictest28883-21grep20:35:133
2009599150,8cyclictest22077-21cat20:20:183
2009599150,8cyclictest10555-21netstat19:55:183
2009599150,7cyclictest27482-21cut19:25:123
2009599150,7cyclictest22708-21taskset19:15:113
2009599150,7cyclictest20160-21sed19:10:003
2009599150,7cyclictest19020-21basename20:15:143
2009599150,7cyclictest10432-21tr21:05:133
20094991511,3cyclictest18242-21cpuspeed_turbos23:35:132
2009499151,10cyclictest18953-21/usr/sbin/munin20:15:222
2009199155,8cyclictest16-1pr/legacy20:51:501
2009199154,8cyclictest22039-21expr19:10:281
2009199153,8cyclictest14220-21timerwakeupswit21:45:301
20091991512,2cyclictest2655-21cpuspeed_turbos00:20:141
2009199150,9cyclictest32738-21chrt20:43:581
2009199150,8cyclictest2965-21sh23:09:081
2008699156,7cyclictest19659-21ssh00:29:580
2008699156,7cyclictest10460-21ssh22:01:220
2008699154,8cyclictest8268-21tr21:25:120
2008699154,8cyclictest496-21load23:25:170
2008699154,8cyclictest496-21load23:25:160
2008699154,8cyclictest326-21systemd-journal20:07:050
2008699154,8cyclictest12267-21latency_hist23:50:000
2008699154,7cyclictest27619-21sh00:34:040
2008699153,7cyclictest12272-21ssh23:14:160
2008699151,7cyclictest20715-21/usr/sbin/munin19:10:130
2008699150,9cyclictest27136-21latency_hist19:25:000
2008699150,8cyclictest780-21runrttasks19:39:240
2008699150,8cyclictest780-21runrttasks19:39:240
2008699150,6cyclictest19858-21unixbench_singl23:35:250
2008699150,6cyclictest13310-21ssh00:08:160
2913199140,8tDemoTimingTask29775-21taskset19:30:015
2544529140,8tAtEmLog_023395-21sleep20:29:545
2009699147,7cyclictest20081-21cyclictest22:12:014
2009699145,8cyclictest13247-21/usr/sbin/munin20:00:244
2009699144,7cyclictest3529-21ssh21:22:134
2009699144,6cyclictest26023-21ssh21:16:424
2009699144,5cyclictest27416-21cat00:15:264
2009699143,8cyclictest3610-21proc_pri00:20:224
2009699142,8cyclictest60-21ksoftirqd/400:25:274
2009699142,8cyclictest10954-21ssh21:26:014
2009699141,9cyclictest60-21ksoftirqd/423:28:404
2009699141,9cyclictest60-21ksoftirqd/423:28:404
2009699141,9cyclictest19943-21needreboot20:15:194
2009699141,9cyclictest16380-21diskmemload22:58:304
2009699141,9cyclictest11058-21sh23:30:444
2009699141,8cyclictest60-21ksoftirqd/423:08:354
2009699141,8cyclictest15853-21sh21:46:314
2009699140,8cyclictest30651-21latency19:30:164
2009699140,10cyclictest9521-21/usr/sbin/munin19:55:144
2009699140,10cyclictest7197-21ssh22:00:134
2009699140,10cyclictest3992-21rm22:34:044
2009699140,10cyclictest27782-21sh23:22:284
2009699140,10cyclictest22724-21sed20:20:254
2009699140,10cyclictest21577-21ssh00:30:174
2009699140,10cyclictest19782-21ssh23:18:134
2009699140,10cyclictest18692-21sh22:24:214
2009699140,10cyclictest11923-21taskset21:06:194
2009499147,6cyclictest20081-21cyclictest21:26:162
2009499143,8cyclictest7117-21netstat22:35:172
2009499143,8cyclictest648-21dbus-daemon20:30:192
2009499141,9cyclictest7969-21ssh21:42:192
2009499141,9cyclictest7203-21runrttasks20:56:242
2009499141,9cyclictest31171-21ssh21:37:162
2009499141,9cyclictest30424-21/usr/sbin/munin21:55:202
2009499141,9cyclictest16694-21runrttasks21:11:332
2009499141,9cyclictest15420-21df_inode22:40:142
2009499141,10cyclictest16-1pr/legacy20:06:132
2009499141,10cyclictest16-1pr/legacy19:45:552
2009499141,10cyclictest15974-21ssh22:58:112
2009499140,9cyclictest17069-21sh21:47:232
2009499140,11cyclictest21384-21ssh22:07:412
2009499140,10cyclictest9841-21ssh00:05:472
2009499140,10cyclictest9326-21sh00:24:032
2009499140,10cyclictest8204-21sh23:11:252
2009499140,10cyclictest780-21runrttasks23:42:012
2009499140,10cyclictest4820-21ssh22:16:032
2009499140,10cyclictest31747-21ssh22:30:492
2009499140,10cyclictest30004-21cpuspeed_turbos19:30:122
2009499140,10cyclictest26525-21ssh22:28:302
2009499140,10cyclictest25250-21/usr/sbin/munin22:10:162
2009499140,10cyclictest24658-21ssh21:15:432
2009499140,10cyclictest24365-21ssh00:31:452
2009499140,10cyclictest2429-21rm21:21:262
2009499140,10cyclictest2242-21ssh23:25:562
2009499140,10cyclictest2242-21ssh23:25:552
2009499140,10cyclictest22087-21diskstats23:55:132
2009499140,10cyclictest21398-21ssh23:00:382
2009499140,10cyclictest21380-21/usr/sbin/munin21:50:172
2009499140,10cyclictest21312-21rm21:31:552
2009499140,10cyclictest21312-21rm21:31:552
2009499140,10cyclictest1832-21ssh00:37:202
2009499140,10cyclictest15904-21ssh23:15:272
2009499140,10cyclictest14675-21ssh00:26:272
2009199143,8cyclictest17072-21if_enp6s022:05:171
2009199143,6cyclictest5034-21expr23:10:121
2009199143,6cyclictest25664-21grep19:20:141
2009199143,6cyclictest25069-21date19:20:001
2009199142,9cyclictest15476-21sed23:15:261
2009199141,9cyclictest30244-21diskmemload00:17:201
2009199141,9cyclictest27542-21ssh23:58:111
2009199141,9cyclictest25416-21ssh23:20:471
2009199141,8cyclictest3251850latency_hist22:50:001
2009199141,10cyclictest9644-21sh00:05:391
2009199141,10cyclictest25298-21ssh00:32:241
2009199141,10cyclictest10291-21ssh22:01:161
2009199140,9cyclictest780-21runrttasks22:33:561
2009199140,9cyclictest20023-21ssh22:25:061
2009199140,10cyclictest8682-21sh23:30:111
2009199140,10cyclictest8159-21sh21:25:111
2009199140,10cyclictest780-21runrttasks19:35:521
2009199140,10cyclictest780-21runrttasks19:35:521
2009199140,10cyclictest6739-21ssh23:46:151
2009199140,10cyclictest561-21sh22:50:091
2009199140,10cyclictest5124-21unixbench_multi21:40:241
2009199140,10cyclictest32724-21rm21:55:391
2009199140,10cyclictest31967-21/usr/sbin/munin23:25:181
2009199140,10cyclictest31967-21/usr/sbin/munin23:25:171
2009199140,10cyclictest31332-21rm21:37:231
2009199140,10cyclictest2960-21ssh21:21:501
2009199140,10cyclictest25149-21sh22:10:071
2009199140,10cyclictest24665-21ssh21:51:211
2009199140,10cyclictest23690-21/usr/sbin/munin20:25:131
2009199140,10cyclictest23075-21basename21:15:171
2009199140,10cyclictest22569-21ssh23:37:181
2009199140,10cyclictest17397-21ssh22:40:431
2009199140,10cyclictest16658-21/usr/sbin/munin00:10:251
2009199140,10cyclictest16596-21/usr/sbin/munin20:10:111
2009199140,10cyclictest15616-21ssh21:10:481
2009199140,10cyclictest14188-21sh23:50:231
2009199140,10cyclictest14016-21ssh22:21:081
2009199140,10cyclictest11518-21cpuspeed_turbos00:25:131
2008699146,6cyclictest2993-21sed22:15:180
2008699146,6cyclictest2104-21sensors_temp22:50:200
2008699146,6cyclictest12958-21sh23:50:140
2008699145,7cyclictest25705-21sh21:16:270
2008699141,9cyclictest21507-21sh23:55:040
2008699141,9cyclictest10699-21sh23:30:280
2008699141,7cyclictest780-21runrttasks19:27:430
20086991411,2cyclictest7171-21/usr/sbin/munin19:50:200
2008699141,10cyclictest26241-21/usr/sbin/munin20:30:120
2008699140,8cyclictest24428-21kworker/u24:1+flush-9:020:43:080
2008699140,7cyclictest31405-21sed21:55:170
2008699140,12cyclictest29443-21ssh00:35:060
2008699140,11cyclictest174-1kworker/0:1H+kblockd20:22:130
2008699140,10cyclictest780-21runrttasks20:26:030
2008699140,10cyclictest29763-21timerandwakeup20:35:230
2008699140,10cyclictest27286-21rm21:53:100
2008699140,10cyclictest27031-21rm00:15:220
2008699140,10cyclictest20842-21gltestperf22:25:150
2008699140,10cyclictest17766-21sh21:12:160
2008699140,10cyclictest1007-21ssh22:31:590
717599131,10tDemoTimingTask14417-21taskset22:57:065
2575699130,10tDemoTimingTask1946-21taskset23:08:255
245229130,11tAtEmLog_010065-21chrt23:12:455
2009699135,4cyclictest14282-21grep20:05:124
2009699133,6cyclictest60-21ksoftirqd/423:45:254
2009699133,6cyclictest60-21ksoftirqd/423:10:114
2009699133,6cyclictest60-21ksoftirqd/419:25:154
2009699131,9cyclictest25085-21/usr/sbin/munin19:20:174
2009699131,9cyclictest2441-21aten2_r5power_c19:40:134
2009699131,9cyclictest17653-21/usr/sbin/munin20:10:174
2009699131,8cyclictest60-21ksoftirqd/422:05:494
2009699131,8cyclictest60-21ksoftirqd/419:15:164
2009699131,8cyclictest60-21ksoftirqd/419:10:334
2009699131,8cyclictest60-21ksoftirqd/400:00:094
2009699131,8cyclictest3726-21cat22:15:264
2009699131,7cyclictest60-21ksoftirqd/421:50:204
2009699130,9cyclictest7260-21wget19:50:134
2009699130,9cyclictest6521-21fschecks_time22:35:144
2009699130,9cyclictest60-21ksoftirqd/421:35:124
2009699130,9cyclictest60-21ksoftirqd/421:30:224
2009699130,9cyclictest60-21ksoftirqd/421:30:224
2009699130,9cyclictest60-21ksoftirqd/400:05:134
2009699130,9cyclictest4765-21/usr/sbin/munin19:45:204
2009699130,9cyclictest4580-21processes21:40:194
2009699130,9cyclictest32433-21runrttasks20:40:304
2009699130,9cyclictest30315-21ssh23:41:234
2009699130,9cyclictest29767-21/usr/sbin/munin00:35:154
2009699130,9cyclictest23725-21wget20:25:124
2009699130,9cyclictest19240-21wget23:00:124
2009699130,9cyclictest16658-21/usr/sbin/munin00:10:204
2009699130,9cyclictest12504-21sh23:50:034
2009699130,8cyclictest8739-21missed_timers21:00:164
2009699130,8cyclictest60-21ksoftirqd/420:55:124
2009699130,7cyclictest25539-21ssh22:45:224
2009699130,10cyclictest3836-21grep20:50:174
2009499135,7cyclictest22601-21/usr/sbin/munin20:20:242
2009499135,6cyclictest24040-21df20:25:132
2009499130,9cyclictest9521-21/usr/sbin/munin19:55:182
2009499130,9cyclictest8432-21ssh23:30:012
2009499130,9cyclictest780-21runrttasks20:45:362
2009499130,9cyclictest780-21runrttasks19:21:082
2009499130,9cyclictest7176-21/usr/sbin/munin22:00:152
2009499130,9cyclictest7171-21/usr/sbin/munin19:50:142
2009499130,9cyclictest30859-21wget20:40:112
2009499130,9cyclictest3067-21/usr/sbin/munin20:50:132
2009499130,9cyclictest3063-21ssh22:50:452
2009499130,9cyclictest29217-21chrt19:26:272
2009499130,9cyclictest26197-21ssh22:45:332
2009499130,9cyclictest25684-21/usr/sbin/munin00:15:142
2009499130,9cyclictest2410-21/usr/sbin/munin19:40:252
2009499130,9cyclictest22709-21/usr/sbin/munin19:15:252
2009499130,9cyclictest20352-21/usr/sbin/munin19:10:162
2009499130,9cyclictest20183-21cat19:10:002
2009499130,9cyclictest16760-21cpu20:10:112
2009499130,9cyclictest15613-21ssh23:51:082
2009499130,9cyclictest14081-21ls20:05:012
2009499130,9cyclictest11403-21mailstats21:05:202
2009499130,10cyclictest8383-21fschecks_time21:00:132
2009499130,10cyclictest32120-21cut00:00:202
2009499130,10cyclictest22948-21atemtest23:20:122
2009499130,10cyclictest16658-21/usr/sbin/munin00:10:202
2009499130,10cyclictest14106-21ssh22:21:122
2009199131,7cyclictest2308-21apt-config19:40:011
2009199130,9cyclictest780-21runrttasks20:05:311
2009199130,9cyclictest678-21/usr/sbin/munin20:45:131
2009199130,9cyclictest5419-21/usr/sbin/munin20:55:121
2009199130,9cyclictest4755-21chrt19:45:051
2009199130,9cyclictest31563-21taskset19:31:221
2009199130,9cyclictest29448-21ssh00:35:071
2009199130,9cyclictest28397-21/usr/sbin/munin20:35:231
2009199130,9cyclictest20037-21latency_hist19:10:001
2009199130,9cyclictest1945-21/usr/sbin/munin22:15:171
2009199130,9cyclictest19000-21ssh23:00:051
2009199130,9cyclictest18962-21atemtest20:15:131
2009199130,9cyclictest10201-21/usr/sbin/munin21:05:201
2009199130,10cyclictest9513-21runrttasks19:55:061
2009199130,10cyclictest7931-21grep19:50:181
2009199130,10cyclictest7847-21/usr/sbin/munin21:00:131
2009199130,10cyclictest780-21runrttasks20:20:231
2009199130,10cyclictest29411-21taskset19:29:051
2009199130,10cyclictest27113-21ntp_offset20:30:191
2009199130,10cyclictest26976-21ssh23:40:091
2009199130,10cyclictest10314-21ssh22:55:131
2008699139,3cyclictest16673-21aten2_r5power_p20:10:110
2008699135,6cyclictest9442-21grep21:00:230
2008699131,9cyclictest11218-21taskset19:56:010
2008699130,9cyclictest30186-21fschecks_count19:30:140
2008699130,9cyclictest2025-21switchtime20:45:240
2008699130,9cyclictest10205-21apt-get21:05:120
2008699130,7cyclictest174-1kworker/0:1H+kblockd20:50:360
2008699130,7cyclictest174-1kworker/0:1H+kblockd20:01:470
2008699130,7cyclictest174-1kworker/0:1H+kblockd19:45:300
2008699130,7cyclictest174-1kworker/0:1H+kblockd19:41:180
2008699130,11cyclictest5843-21/usr/sbin/munin20:55:140
2008699130,11cyclictest20215-21cat19:10:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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