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2026-04-20 - 05:12
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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 Mon Apr 20, 2026 00:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2947039920,0EcMasterDemoSyn2948029tAtEmLog_023:59:215
2871239840,0EcMasterDemoSyn2872229tAtEmLog_020:31:265
2752639840,0EcMasterDemoSyn2753629tAtEmLog_021:52:345
2699739840,0EcMasterDemoSyn2700729tAtEmLog_022:28:035
340239830,0EcMasterDemoSyn341229tAtEmLog_020:46:385
1532439830,0EcMasterDemoSyn1533429tAtEmLog_000:09:285
503139820,0EcMasterDemoSyn504129tAtEmLog_019:40:435
432139820,0EcMasterDemoSyn433129tAtEmLog_021:57:385
3033939820,0EcMasterDemoSyn3034929tAtEmLog_019:25:305
2399739820,0EcMasterDemoSyn2400729tAtEmLog_020:21:185
103939820,0EcMasterDemoSyn104929tAtEmLog_020:41:345
1022539820,0EcMasterDemoSyn1023529tAtEmLog_000:24:425
3269939810,0EcMasterDemoSyn3270929tAtEmLog_019:30:355
1960639810,0EcMasterDemoSyn1961629tAtEmLog_019:05:145
1831939450,1EcMasterDemoSyn18325-21runintdemo5min21:47:302
1689539440,3EcMasterDemoSyn16902-21grep20:06:040
309132230,0sleep10-21swapper/121:36:221
2134099201,6cyclictest286981apt-key00:35:004
2134099200,7cyclictest86361latency00:05:194
2132899203,12cyclictest16-1pr/legacy20:26:202
2131599206,10cyclictest20050-21sh00:30:050
167792200,0sleep30-21swapper/320:05:243
2134099194,8cyclictest28826-21sh23:05:124
2134099190,7cyclictest302750latency_hist19:40:014
2134099190,7cyclictest270191idleruntime19:20:174
2133499191,15cyclictest16-1pr/legacy20:11:083
575839180,2EcMasterDemoSyn5763-21runintdemo5min20:51:430
575839180,2EcMasterDemoSyn5763-21runintdemo5min20:51:430
2550899182,9tDemoTimingTask26751-21taskset23:39:555
2134099180,7cyclictest811-21runintdemo5min20:26:254
2134099180,7cyclictest22040-21ssh00:12:524
2134099180,7cyclictest11735-21awk22:20:004
2134099180,6cyclictest247471sed22:45:014
2134099180,6cyclictest245981rm23:38:254
2131599185,9cyclictest17284-21sh21:11:060
2131599181,9cyclictest9413-21sh00:24:060
2131599180,14cyclictest780-21runrttasks23:37:560
2131599180,14cyclictest5979-21sh22:52:050
2131599180,14cyclictest27703-21sh23:04:370
2131599180,10cyclictest3265-21sh23:26:060
1321899180,8tDemoTimingTask13355-21chrt21:08:275
721599170,10tDemoTimingTask9061-21chrt23:30:015
462299170,10tDemoTimingTask4719-21chrt21:22:115
2134099175,10cyclictest6483-21cut22:35:004
2134099170,9cyclictest20586-21rm21:30:314
2134099170,6cyclictest28284-21grep22:10:244
2132899175,8cyclictest711-21gdbus22:35:202
2132899171,12cyclictest16-1pr/legacy00:19:372
2132299170,6cyclictest22878-21ps19:10:211
2131599170,9cyclictest6146-21sh23:10:160
2131599170,9cyclictest3479-21sh22:33:030
2131599170,9cyclictest23619-21sh22:25:400
2131599170,8cyclictest11127-21ls22:55:140
2131599170,7cyclictest16201-21sh22:04:310
2131599170,14cyclictest1526-21sh21:38:280
1533429170,7tAtEmLog_022537-21chrt00:13:145
1321899170,7tDemoTimingTask16637-21chrt21:10:395
2134099165,9cyclictest3315-21postgres20:45:384
2134099165,9cyclictest10131-21ntpq21:00:214
2134099164,10cyclictest421-21cut23:25:134
2134099162,7cyclictest13082-21ssh21:26:404
2134099161,8cyclictest31194-21ssh21:55:004
2134099161,7cyclictest8895-21ssh21:42:184
2134099161,7cyclictest27502-21/usr/sbin/munin23:40:134
2134099160,8cyclictest6592-21sh00:04:374
2134099160,8cyclictest5062-21ssh00:39:444
2134099160,8cyclictest28549-21rm22:46:314
2134099160,8cyclictest28549-21rm22:46:314
2134099160,8cyclictest14801-21ssh23:32:524
2134099160,8cyclictest13691-21date21:10:004
2134099160,8cyclictest12737-21uniq22:20:154
2134099160,7cyclictest9274-21sh22:35:414
2134099160,7cyclictest7864-21cut19:50:004
2134099160,7cyclictest7311-21ssh23:46:224
2134099160,7cyclictest5885-21ssh22:52:014
2134099160,7cyclictest13646-21cpuspeed_turbos21:45:134
2134099160,7cyclictest11159-21ssh22:55:144
2134099160,6cyclictest13486-21diskmemload23:21:544
2134099160,6cyclictest13486-21diskmemload00:27:404
2134099160,3cyclictest13486-21diskmemload00:18:564
2134099160,10cyclictest26277-21ssh22:27:344
2132899162,11cyclictest30489-21mandb00:00:012
2131599160,9cyclictest26821-21cat20:30:000
2131599160,8cyclictest4480-21ssh21:22:030
2131599160,8cyclictest13486-21diskmemload22:19:130
1387929160,9tAtEmLog_013894-21taskset21:27:135
2134099151,7cyclictest8302-21diskmemload22:00:124
2134099151,7cyclictest23466-21/usr/sbin/munin21:15:144
2134099151,7cyclictest21357-21latency_hist19:10:004
2134099151,6cyclictest11066-21gltestperf19:55:174
2134099150,8cyclictest32528-21grep20:40:174
2134099150,8cyclictest29388-21wget20:35:134
2134099150,8cyclictest28408-21/usr/sbin/munin20:30:254
2134099150,8cyclictest2822-21tune2fs00:20:164
2134099150,7cyclictest8175-21grep20:55:254
2134099150,7cyclictest5468-21aten2_r5power_e23:10:124
2134099150,7cyclictest5060-21wc19:40:454
2134099150,7cyclictest4017-21aten2_r5power_c20:50:134
2134099150,7cyclictest4017-21aten2_r5power_c20:50:134
2134099150,7cyclictest31448-21fschecks_count19:30:154
2134099150,7cyclictest31410-21ssh21:55:034
2134099150,7cyclictest29186-21cut19:25:144
2134099150,7cyclictest27944-21expr21:35:134
2134099150,7cyclictest24703-21kernelversion19:15:174
2134099150,7cyclictest23916-21unixbench_singl23:55:254
2134099150,7cyclictest23862-21grep20:20:264
2134099150,7cyclictest23633-21cron19:15:004
2134099150,7cyclictest21561-21wc23:00:254
2134099150,7cyclictest19939-21hostname20:15:134
2134099150,7cyclictest18535-21uname20:10:184
2134099150,7cyclictest17405-21sh22:05:104
2134099150,7cyclictest1598-21ssh21:20:224
2134099150,7cyclictest14401-21cmp23:15:024
2134099150,7cyclictest13923-21find21:10:014
2134099150,7cyclictest10278-21cat19:55:004
2134099150,2cyclictest0-21swapper/423:50:124
2133499157,6cyclictest11438-21cut19:55:203
21334991511,3cyclictest648-21dbus-daemon23:59:593
2133499151,10cyclictest744-21postgres20:00:353
2133499151,10cyclictest11781-21df21:05:153
2132899150,9cyclictest4844-21ssh21:22:162
2132899150,9cyclictest22216-21gltestperf19:10:142
2132899150,11cyclictest20346-21ssh22:06:062
2132299151,10cyclictest8200-21runrttasks21:41:491
2132299151,10cyclictest5228-21ssh22:51:331
2132299151,10cyclictest20339-21sh22:42:071
2132299151,10cyclictest15850-21hddtemp_smartct20:05:151
2132299150,11cyclictest13635-21rm00:25:431
2131599154,8cyclictest20581-21basename20:15:170
2131599154,8cyclictest1014-21unixbench-2d21:55:260
2131599153,9cyclictest16281-21cat00:10:000
2131599152,9cyclictest1665-21sh22:14:210
2131599150,9cyclictest780-21runrttasks21:32:230
2131599150,9cyclictest704-21expr20:40:250
2131599150,8cyclictest780-21runrttasks19:59:550
2131599150,8cyclictest780-21runrttasks19:34:450
2131599150,6cyclictest21755-21ssh23:19:000
2131599150,12cyclictest720-21ntpd23:55:540
2131599150,10cyclictest9706-21ssh22:36:010
2131599150,10cyclictest17538-21ssh00:28:310
1359299150,9tDemoTimingTask16785-21taskset22:04:565
721599140,8tDemoTimingTask32195-21sleep23:29:545
625299140,4tDemoTimingTask7255-21chrt00:05:005
2400729140,8tAtEmLog_024604-21taskset20:25:015
2134099141,6cyclictest15165-21latency_hist20:05:014
2134099140,7cyclictest12929-21aten2_r5power_v20:00:134
2133499148,3cyclictest285839EcMasterDemoSyn23:08:373
2133499143,6cyclictest30097-21fschecks_time00:35:163
2133499143,6cyclictest19738-21awk21:30:193
2133499142,9cyclictest326-21systemd-journal20:21:553
2133499142,8cyclictest1620-21proc_pri23:25:203
2133499141,9cyclictest31521-21ssh21:55:073
2133499141,10cyclictest16-1pr/legacy22:07:453
2133499141,10cyclictest14234-21ssh23:50:193
2133499140,7cyclictest22769-21ssh00:30:513
2133499140,11cyclictest12533-21grep22:55:243
2133499140,10cyclictest9765-21df21:25:153
2133499140,10cyclictest9753-21ssh22:54:413
2133499140,10cyclictest973-21ssh22:13:523
2133499140,10cyclictest9409-21wget23:30:113
2133499140,10cyclictest9025-21/usr/sbin/munin21:00:193
2133499140,10cyclictest8522-21ssh22:17:503
2133499140,10cyclictest8008-21ssh00:23:073
2133499140,10cyclictest780-21runrttasks22:43:233
2133499140,10cyclictest6937-21/usr/sbin/munin19:45:193
2133499140,10cyclictest5313-21sh00:03:453
2133499140,10cyclictest5214-21ssh23:10:043
2133499140,10cyclictest326-21systemd-journal23:21:553
2133499140,10cyclictest30530-21runrttasks19:27:343
2133499140,10cyclictest30241-21diskmemload23:41:023
2133499140,10cyclictest29909-21ssh21:35:403
2133499140,10cyclictest28098-21ssh21:17:163
2133499140,10cyclictest26870-21perl19:20:153
2133499140,10cyclictest25271-21ssh21:50:593
2133499140,10cyclictest25133-21sh22:26:463
2133499140,10cyclictest21616-21hostname19:10:113
2133499140,10cyclictest20435-21perl20:15:163
2133499140,10cyclictest20071-21expr23:00:143
2133499140,10cyclictest19064-21ssh21:12:193
2133499140,10cyclictest18822-21diskstats23:35:143
2133499140,10cyclictest18658-21sh21:47:433
2133499140,10cyclictest18209-21taskset23:16:313
2133499140,10cyclictest1672-21sh21:20:223
2133499140,10cyclictest10224-21sh21:43:103
2133499140,10cyclictest10117-21taskset00:05:473
2132899146,6cyclictest716-21snmpd22:17:552
2132899146,6cyclictest648-21dbus-daemon22:55:002
2132899143,8cyclictest14929-21sh22:57:002
2132899141,9cyclictest26316-21/usr/sbin/munin19:20:192
2132899141,9cyclictest1532-21sh00:37:112
2132899141,10cyclictest16-1pr/legacy19:30:342
2132899141,10cyclictest16-1pr/legacy19:25:292
21328991410,3cyclictest648-21dbus-daemon20:15:002
21328991410,3cyclictest28144-21find20:30:212
2132899140,10cyclictest8926-21ssh23:47:322
2132899140,10cyclictest8569-21irqstats00:05:182
2132899140,10cyclictest7924-21rm23:10:522
2132899140,10cyclictest716-21snmpd23:08:032
2132899140,10cyclictest6531-21ssh21:40:382
2132899140,10cyclictest3601-21cpuspeed_turbos19:40:132
2132899140,10cyclictest32601-21sh23:25:052
2132899140,10cyclictest31503-21sh22:12:342
2132899140,10cyclictest28245-21sort23:40:162
2132899140,10cyclictest28226-21sh22:46:182
2132899140,10cyclictest28226-21sh22:46:172
2132899140,10cyclictest27590-21/usr/sbin/munin21:35:252
2132899140,10cyclictest2702-21ssh22:32:292
2132899140,10cyclictest26736-21ssh21:34:482
2132899140,10cyclictest25631-21ssh22:27:062
2132899140,10cyclictest24180-21runrttasks20:23:162
2132899140,10cyclictest23985-21ssh00:31:442
2132899140,10cyclictest23937-21runrttasks19:15:112
2132899140,10cyclictest23466-21/usr/sbin/munin21:15:162
2132899140,10cyclictest22499-21/usr/sbin/munin21:50:152
2132899140,10cyclictest21949-21sendmail20:20:002
2132899140,10cyclictest20266-21sh23:17:582
2132899140,10cyclictest20115-21ssh21:13:032
2132899140,10cyclictest19590-21ssh23:00:032
2132899140,10cyclictest19113-21sh22:41:152
2132899140,10cyclictest18583-21ssh00:10:252
2132899140,10cyclictest1641-21/usr/sbin/munin20:45:132
2132899140,10cyclictest1531-21ssh21:55:412
2132899140,10cyclictest15285-21rm23:33:132
2132899140,10cyclictest14599-21ssh21:27:412
2132899140,10cyclictest11729-21ssh22:01:252
2132899140,10cyclictest10451-21chrt19:55:092
2132299146,6cyclictest3761-21cut19:40:141
2132299144,8cyclictest7226-21/usr/sbin/munin20:55:161
2132299143,6cyclictest22044-21latency_hist20:20:001
2132299142,9cyclictest28034-21sh21:17:131
2132299141,9cyclictest780-21runrttasks23:50:401
2132299141,9cyclictest30788-21chrt00:17:411
2132299141,9cyclictest2969-21ssh23:25:541
2132299141,9cyclictest19795-21/usr/sbin/munin23:00:151
2132299141,10cyclictest28071-21sh22:28:481
2132299140,3cyclictest21677-21ssh00:30:221
2132299140,10cyclictest9122-21ssh22:18:141
2132299140,10cyclictest8353-21grep19:50:131
2132299140,10cyclictest681-21fschecks_count21:20:151
2132299140,10cyclictest6660-21ssh23:45:551
2132299140,10cyclictest6085-21ssh22:34:511
2132299140,10cyclictest31994-21cstates21:55:151
2132299140,10cyclictest31890-21ssh23:42:111
2132299140,10cyclictest31675-21ssh22:12:421
2132299140,10cyclictest31022-21/usr/sbin/munin19:30:131
2132299140,10cyclictest29621-21cat23:05:171
2132299140,10cyclictest27070-21uname19:20:171
2132299140,10cyclictest25017-21/usr/sbin/munin22:45:111
2132299140,10cyclictest25017-21/usr/sbin/munin22:45:111
2132299140,10cyclictest24509-21ssh23:55:471
2132299140,10cyclictest24306-21ssh22:08:501
2132299140,10cyclictest23771-21/usr/sbin/munin23:20:141
2132299140,10cyclictest20655-21ssh23:18:161
2132299140,10cyclictest18733-21sh00:10:301
2132299140,10cyclictest18566-21/usr/sbin/munin23:35:141
2132299140,10cyclictest1628-21ssh00:37:151
2132299140,10cyclictest15753-21ssh21:10:211
2132299140,10cyclictest13381-21ssh23:14:421
2132299140,10cyclictest12561-21ssh21:26:181
2132299140,10cyclictest12168-21rm23:31:001
2132299140,10cyclictest12147-21ssh00:07:141
2132299140,10cyclictest11523-21ssh22:55:171
2132299140,10cyclictest10680-21ssh22:36:421
2131599146,6cyclictest31365-21grep00:35:250
2131599146,6cyclictest20235-21ssh22:06:010
2131599141,9cyclictest8648-21sh23:47:190
2131599141,9cyclictest7415-21runintdemo5min19:45:500
2131599141,9cyclictest21760-21sh00:12:400
2131599141,9cyclictest16220-21cpuspeed22:40:140
2131599141,7cyclictest23824-21aten2_r5power_c23:20:140
2131599140,8cyclictest31654-21cat20:40:000
2131599140,8cyclictest2222-21python319:35:210
2131599140,7cyclictest19054-21grep20:10:250
2131599140,7cyclictest13964-21sed22:20:260
2131599140,7cyclictest1304-21sh23:43:290
2131599140,6cyclictest174-1kworker/0:1H+kblockd19:16:400
2131599140,12cyclictest326-21systemd-journal19:26:530
2131599140,12cyclictest13657-21grep21:45:130
2131599140,10cyclictest9174-21ssh21:25:060
2131599140,10cyclictest780-21runrttasks21:15:060
2131599140,10cyclictest6127-21unixbench_multi21:40:270
2131599140,10cyclictest31543-21ssh23:05:590
2131599140,10cyclictest27744-21ssh22:45:580
2131599140,10cyclictest27744-21ssh22:45:570
2131599140,10cyclictest27642-21hddtemp_smartct20:30:160
2131599140,10cyclictest27601-21ssh00:15:260
2131599140,10cyclictest23479-21runrttasks19:12:570
2131599140,10cyclictest22323-21sh21:50:030
2131599140,10cyclictest1734-21ssh00:01:120
2131599140,10cyclictest12291-21sh23:31:060
2131599140,10cyclictest10053-21cut21:00:200
2617939130,0EcMasterDemoSyn0-21swapper/523:03:345
2133499136,6cyclictest12735-21systemctl00:25:223
2133499132,8cyclictest32335-21switchtime19:30:263
2133499130,9cyclictest9643-21sh22:35:573
2133499130,9cyclictest864-21awk20:40:253
2133499130,9cyclictest8286-21/usr/sbin/munin22:00:193
2133499130,9cyclictest716-21snmpd20:34:003
2133499130,9cyclictest6651-21/usr/sbin/munin20:55:183
2133499130,9cyclictest5322-21runrttasks19:44:093
2133499130,9cyclictest3987-21taskset20:50:033
2133499130,9cyclictest3987-21taskset20:50:033
2133499130,9cyclictest3874-21sh23:45:043
2133499130,9cyclictest30110-21ssh22:30:023
2133499130,9cyclictest29313-21taskset20:35:013
2133499130,9cyclictest28243-21ssh00:15:533
2133499130,9cyclictest26539-21sh22:45:233
2133499130,9cyclictest26539-21sh22:45:223
2133499130,9cyclictest25087-21processes19:15:193
2133499130,9cyclictest16650-21/usr/sbin/munin00:10:183
2133499130,10cyclictest8802-21irqstats19:50:173
2133499130,10cyclictest15267-21sh22:21:103
2133499130,10cyclictest1130-21grep19:35:123
2132899131,9cyclictest23564-21ssh23:20:042
2132899131,9cyclictest15607-21fschecks_count20:05:152
2132899131,8cyclictest5754-21wget19:45:112
2132899130,9cyclictest989-21taskset20:41:012
2132899130,9cyclictest9090-21/usr/sbin/munin21:00:142
2132899130,9cyclictest6651-21/usr/sbin/munin20:55:212
2132899130,9cyclictest3991-21runrttasks20:50:062
2132899130,9cyclictest3991-21runrttasks20:50:062
2132899130,9cyclictest21809-21ssh23:55:022
2132899130,9cyclictest2027-21ssh00:20:012
2132899130,9cyclictest18420-21/usr/sbin/munin23:35:152
2132899130,9cyclictest14051-21ssh23:50:182
2132899130,9cyclictest12827-21/usr/sbin/munin20:00:172
2132899130,9cyclictest12285-21/usr/sbin/munin22:20:172
2132899130,9cyclictest11430-21/usr/sbin/munin21:05:152
2132899130,9cyclictest11021-21sh00:25:002
2132899130,9cyclictest10352-21latency_hist19:55:002
2132299132,8cyclictest23773-21sed20:20:261
2132299130,9cyclictest969-21runrttasks20:40:471
2132299130,9cyclictest8286-21/usr/sbin/munin22:00:161
2132299130,9cyclictest811-21runintdemo5min20:11:101
2132299130,9cyclictest780-21runrttasks20:38:221
2132299130,9cyclictest6384-21basename19:45:151
2132299130,9cyclictest3391-21missed_timers00:20:181
2132299130,9cyclictest3386-21runrttasks20:46:351
2132299130,9cyclictest29200-21/usr/sbin/munin19:25:151
2132299130,9cyclictest25631-21vmstat19:15:251
2132299130,9cyclictest22913-21df_inode21:50:141
2132299130,9cyclictest17200-21runrttasks22:22:321
2132299130,9cyclictest12827-21/usr/sbin/munin20:00:211
2132299130,9cyclictest11430-21/usr/sbin/munin21:05:201
2132299130,9cyclictest10448-21runrttasks19:55:071
2132299130,10cyclictest9268-21cpuspeed21:00:151
2132299130,10cyclictest4026-21cut20:50:131
2132299130,10cyclictest4026-21cut20:50:131
2132299130,10cyclictest31544-21ssh00:00:151
2132299130,10cyclictest28927-21runrttasks20:33:481
2132299130,10cyclictest18481-21apt21:30:131
2132299130,10cyclictest13298-21ssh21:45:061
2131599136,5cyclictest22526-21tr20:20:150
2131599134,7cyclictest27071-21/usr/sbin/munin19:20:170
2131599130,9cyclictest780-21runrttasks20:55:150
2131599130,7cyclictest174-1kworker/0:1H+kblockd20:00:010
2131599130,7cyclictest174-1kworker/0:1H+kblockd19:50:510
2131599130,10cyclictest4928-21unixbench_multi19:40:250
2131599130,10cyclictest21275-21latency_hist19:10:010
2131599130,10cyclictest12867-21sh23:50:050
2131599130,10cyclictest12014-21grep21:05:150
1832929130,11tAtEmLog_019893-21chrt21:48:345
1023699130,10tDemoTimingTask14389-21chrt00:26:155
865799120,10tDemoTimingTask2589-21turbostat22:19:565
2777699120,10tDemoTimingTask28815-21chrt21:17:465
2700899120,10tDemoTimingTask3304-21taskset22:32:555
2522099120,10tDemoTimingTask25737-21taskset19:16:415
2248499120,10tDemoTimingTask23398-21chrt19:11:525
2141999120,10tDemoTimingTask22269-21chrt23:19:235
2133499120,9cyclictest24618-21/usr/sbin/munin20:25:133
2133499120,9cyclictest1859-21cpuspeed_turbos20:45:133
2132899120,9cyclictest1170-21wc19:35:122
2132899120,7cyclictest29681-21df_inode20:35:152
2132299120,9cyclictest25294-21idleruntime20:25:171
2132299120,9cyclictest1127-21/usr/sbin/munin19:35:121
2131599120,7cyclictest1719-21/usr/sbin/munin20:45:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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