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2026-08-21 - 09:47
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackbslot4.osadl.org (updated Fri Aug 21, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6083997929,44cyclictest9450-21ssh22:16:101
6094997319,48cyclictest21907-21ssh20:23:033
6094997221,12cyclictest28826-21ssh20:31:533
6094997024,40cyclictest5696-21diskstats20:45:043
6094997023,41cyclictest21471-21/usr/sbin/munin21:50:143
6094997022,41cyclictest17699-21ssh21:44:513
6094996918,46cyclictest30692-21sshd19:23:473
6094996918,46cyclictest30692-21sshd19:23:473
6094996826,36cyclictest16140-21/usr/sbin/munin22:25:153
6094996823,39cyclictest19162-21entropy22:30:013
6094996823,39cyclictest16403-21ssh23:09:203
6094996820,42cyclictest16159-21cpu18:45:023
6094996820,21cyclictest23191-21perl22:35:023
6094996724,37cyclictest31747-21diskstats21:20:043
6094996724,37cyclictest31747-21diskstats21:20:043
6094996723,38cyclictest370-21systemd-journal19:09:523
6094996722,39cyclictest32635-21/usr/sbin/munin22:04:593
6094996722,39cyclictest2356-21/usr/sbin/munin19:35:153
6094996720,41cyclictest29278-21ssh22:43:073
6094996720,13cyclictest11711-21/usr/sbin/munin20:00:153
6094996714,48cyclictest3375-21if_eth221:25:053
6094996714,48cyclictest3375-21if_eth221:25:053
6083996717,45cyclictest28557-21ssh20:31:181
6094996625,35cyclictest31238-21open_inodes22:45:143
6094996624,36cyclictest629-21snmpd18:41:483
6094996621,38cyclictest21222-21ntp_states21:05:123
6094996620,41cyclictest26369-21ssh21:12:113
6083996620,41cyclictest4497-21ssh22:53:101
6083996615,12cyclictest17109-21ssh21:44:011
6094996523,36cyclictest12511-21ssh23:45:273
6094996522,37cyclictest8557-21/usr/sbin/munin18:25:143
6094996522,37cyclictest17899-21/usr/sbin/munin18:50:163
6094996521,38cyclictest416-21/usr/sbin/munin19:30:223
6094996521,38cyclictest3199-21ssh20:40:253
6094996520,38cyclictest8262-21/usr/sbin/munin23:40:143
6094996520,38cyclictest23675-21memory20:25:113
6094996519,13cyclictest10559-21ssh22:18:373
6094996518,22cyclictest1104-21ssh20:38:583
6094996518,22cyclictest1104-21ssh20:38:583
6094996424,34cyclictest11322-21smart_sda21:35:173
6094996423,35cyclictest13577-21/usr/sbin/munin20:05:153
6094996423,14cyclictest7506-21ssh22:56:313
6094996422,37cyclictest7123-21ssh22:14:133
6094996421,37cyclictest6102-21/usr/sbin/munin19:45:253
6094996421,36cyclictest29093-21diskstats22:00:023
6094996421,10cyclictest8326-21sshd18:24:483
6094996420,39cyclictest12528-21tune2fs18:35:083
6094996420,38cyclictest31002-21/usr/sbin/munin19:25:073
6094996420,38cyclictest12075-21ssh20:53:333
6094996419,40cyclictest21422-21munin-run18:59:533
6094996418,40cyclictest0-21swapper/323:27:423
6094996411,47cyclictest0-21swapper/323:16:493
6083996419,39cyclictest20057-21netstat20:20:121
6083996418,40cyclictest18136-21grep21:45:031
6083996415,23cyclictest11852-21ssh20:53:031
6094996324,13cyclictest13750-21runrttasks20:55:123
6094996322,35cyclictest25202-21/usr/sbin/munin21:55:173
6094996321,9cyclictest9841-21/usr/sbin/munin19:55:063
6094996321,36cyclictest25380-21/usr/sbin/munin19:10:113
6094996320,38cyclictest24653-21df23:19:583
6094996319,38cyclictest6525-21ssh21:29:513
6094996316,42cyclictest0-21swapper/323:34:133
6094996316,41cyclictest0-21swapper/323:35:523
6094996316,41cyclictest0-21swapper/323:35:523
6083996319,38cyclictest30663-21fschecks_count22:45:041
6083996317,40cyclictest29136-21/usr/sbin/munin19:20:181
6083996317,40cyclictest29136-21/usr/sbin/munin19:20:181
6094996227,30cyclictest11402-21aten_rbpower_cu22:19:583
6094996227,30cyclictest11402-21aten_rbpower_cu22:19:583
6094996223,34cyclictest27838-21/usr/sbin/munin21:15:183
6094996220,9cyclictest23293-21munin-run19:04:533
6094996219,9cyclictest11786-21ssh23:02:343
6094996219,38cyclictest17472-21latency_hist21:44:493
6094996215,41cyclictest0-21swapper/322:53:403
6083996221,35cyclictest10424-21/usr/sbin/munin18:30:181
6083996219,36cyclictest32738-21timerwakeupswit21:20:211
6083996219,36cyclictest32738-21timerwakeupswit21:20:211
6083996219,10cyclictest19795-21ssh23:13:241
6083996217,39cyclictest8997-21sshd22:59:421
6083996216,40cyclictest26619-21ssh21:55:241
6083996214,42cyclictest12242-21timerwakeupswit23:45:171
6094996121,34cyclictest19365-21ssh23:12:313
6094996119,37cyclictest18359-21ssh21:00:573
6083996120,36cyclictest14009-21ssh23:05:131
6083996116,39cyclictest6528-21ssh22:12:531
6083996116,39cyclictest2617-21ntp_states20:40:141
6083996116,39cyclictest10103-21ssh23:43:231
6083996111,45cyclictest0-21swapper/123:33:071
6083996019,36cyclictest18989-21diskmemload21:35:011
6083996018,36cyclictest19139-21df22:29:591
6083996018,36cyclictest17463-21netstat21:00:121
6083996017,37cyclictest20806-21tr23:15:001
6083996016,38cyclictest0-21swapper/122:40:521
6083996015,40cyclictest14404-21ssh20:55:291
6083996014,40cyclictest22879-21ssh21:50:221
6083996014,40cyclictest0-21swapper/121:25:511
6083996014,40cyclictest0-21swapper/121:25:511
6083996013,41cyclictest8351-21kworker/1:221:09:051
6094995924,9cyclictest562-21rs:main3
6083995919,34cyclictest5226-21ssh23:36:061
6083995919,34cyclictest5226-21ssh23:36:061
6083995917,36cyclictest29126-21ntp_states23:25:121
6083995916,37cyclictest7009-21ssh20:45:351
6083995914,39cyclictest0-21swapper/122:35:281
6083995913,40cyclictest0-21swapper/123:00:411
6083995913,40cyclictest0-21swapper/120:34:571
6083995913,40cyclictest0-21swapper/120:34:571
6094995819,9cyclictest5575-21seq19:41:203
6083995818,34cyclictest7687-21/usr/sbin/munin21:30:181
6083995817,35cyclictest28023-21df_inode21:15:031
6083995817,35cyclictest2230-21ssh22:06:421
6083995816,36cyclictest23908-21ps20:25:161
6083995815,37cyclictest13241-21ssh22:21:161
6083995815,37cyclictest13241-21ssh22:21:161
6094995720,9cyclictest27266-21/usr/sbin/munin19:15:043
6094995720,9cyclictest27266-21/usr/sbin/munin19:15:043
6094995719,32cyclictest629-21snmpd19:51:313
6094995712,40cyclictest0-21swapper/318:34:533
6083995716,35cyclictest26285-21ssh23:21:091
6083995714,38cyclictest16627-21ssh22:25:251
6083995713,38cyclictest30498-21ssh22:00:461
6078995749,4cyclictest3-21ksoftirqd/020:19:510
575925710,15sleep20-21swapper/218:18:552
6083995617,34cyclictest25544-21ssh21:10:241
6078995610,40cyclictest0-21swapper/022:51:440
568525512,37sleep10-21swapper/118:18:011
607899534,43cyclictest0-21swapper/023:42:500
607899534,43cyclictest0-21swapper/020:55:020
6094995214,33cyclictest629-21snmpd20:11:353
6078995211,11cyclictest0-21swapper/021:10:100
608799518,4cyclictest0-21swapper/222:00:012
608799514,40cyclictest0-21swapper/223:10:392
607899514,5cyclictest0-21swapper/020:45:020
607899514,42cyclictest0-21swapper/021:34:310
607899514,40cyclictest0-21swapper/020:12:330
608799505,38cyclictest0-21swapper/222:14:442
607899504,41cyclictest0-21swapper/020:23:330
607899497,36cyclictest0-21swapper/020:41:570
607899494,6cyclictest0-21swapper/023:05:390
607899494,39cyclictest0-21swapper/022:57:030
607899494,39cyclictest0-21swapper/021:34:510
607899494,39cyclictest0-21swapper/020:50:530
607899493,41cyclictest0-21swapper/023:17:340
607899493,41cyclictest0-21swapper/023:03:490
607899493,41cyclictest0-21swapper/021:43:010
608799485,37cyclictest0-21swapper/220:52:412
608799485,36cyclictest0-21swapper/223:15:192
608799484,38cyclictest0-21swapper/221:59:012
6087994811,31cyclictest0-21swapper/222:46:272
608399483,40cyclictest0-21swapper/120:15:431
607899484,39cyclictest0-21swapper/022:09:490
607899484,39cyclictest0-21swapper/019:27:540
607899484,38cyclictest0-21swapper/023:11:180
607899484,38cyclictest0-21swapper/022:49:400
607899484,38cyclictest0-21swapper/022:40:460
607899483,40cyclictest0-21swapper/019:52:040
607899483,40cyclictest0-21swapper/018:54:250
607899483,39cyclictest11232-21diskstats23:45:000
6078994812,5cyclictest0-21swapper/022:07:240
6078994811,31cyclictest0-21swapper/021:01:320
608799479,33cyclictest0-21swapper/222:08:292
608799475,37cyclictest0-21swapper/222:40:212
608799475,36cyclictest0-21swapper/223:35:162
608799475,36cyclictest0-21swapper/223:35:162
608799474,37cyclictest0-21swapper/222:17:232
608799474,37cyclictest0-21swapper/220:32:132
608799473,39cyclictest0-21swapper/222:24:202
608799473,39cyclictest0-21swapper/222:24:202
608799473,39cyclictest0-21swapper/221:08:422
6087994711,31cyclictest0-21swapper/220:57:412
608399479,33cyclictest157562chrt18:44:161
607899478,33cyclictest0-21swapper/021:16:310
607899475,13cyclictest0-21swapper/022:32:090
607899474,37cyclictest0-21swapper/022:00:190
607899474,37cyclictest0-21swapper/020:27:330
607899473,40cyclictest0-21swapper/023:32:050
607899473,39cyclictest0-21swapper/021:09:450
607899473,39cyclictest0-21swapper/020:39:070
607899473,39cyclictest0-21swapper/020:39:070
607899473,39cyclictest0-21swapper/019:38:430
6078994711,30cyclictest0-21swapper/022:23:560
6078994711,30cyclictest0-21swapper/022:23:560
608799465,35cyclictest0-21swapper/221:20:092
608799465,35cyclictest0-21swapper/221:20:092
608799464,37cyclictest0-21swapper/223:42:212
608799464,37cyclictest0-21swapper/221:01:422
608799464,36cyclictest0-21swapper/223:31:442
608799464,36cyclictest0-21swapper/223:24:542
608799464,36cyclictest0-21swapper/223:09:162
608799464,36cyclictest0-21swapper/222:31:432
608799464,36cyclictest0-21swapper/221:32:272
608799464,36cyclictest0-21swapper/220:38:432
608799464,36cyclictest0-21swapper/220:38:432
6083994622,18cyclictest8426-21/usr/sbin/munin19:50:081
6083994611,29cyclictest0-21swapper/118:22:251
607899465,36cyclictest0-21swapper/021:50:000
607899464,37cyclictest11051-21ssh22:19:410
607899464,37cyclictest0-21swapper/019:00:120
607899464,36cyclictest0-21swapper/022:28:480
607899464,36cyclictest0-21swapper/021:56:010
607899464,13cyclictest0-21swapper/020:30:490
607899463,37cyclictest0-21swapper/021:25:220
607899463,37cyclictest0-21swapper/021:25:220
607899462,5cyclictest11131-21kworker/0:223:26:190
607899462,39cyclictest4131-21memory23:35:080
607899462,39cyclictest4131-21memory23:35:080
6078994610,5cyclictest0-21swapper/019:40:190
6078994610,31cyclictest0-21swapper/021:48:550
205372463,7sleep20-21swapper/221:48:242
608799459,6cyclictest0-21swapper/221:26:332
608799459,6cyclictest0-21swapper/221:26:332
608799455,34cyclictest0-21swapper/220:40:082
608799454,36cyclictest12883-21kworker/2:121:11:352
608799454,36cyclictest0-21swapper/221:40:042
608799454,35cyclictest0-21swapper/223:46:322
608799454,35cyclictest0-21swapper/222:56:252
608799454,35cyclictest0-21swapper/222:51:212
608799454,35cyclictest0-21swapper/221:18:182
608399455,34cyclictest0-21swapper/120:05:461
6083994520,19cyclictest5532-21sshd19:40:461
6083994512,9cyclictest0-21swapper/119:45:521
607899454,35cyclictest0-21swapper/022:37:050
607899454,35cyclictest0-21swapper/021:21:560
607899454,35cyclictest0-21swapper/021:21:560
607899453,37cyclictest0-21swapper/019:12:550
607899453,36cyclictest0-21swapper/023:20:030
112142453,8sleep20-21swapper/218:30:172
608799449,30cyclictest0-21swapper/221:35:052
608799445,33cyclictest0-21swapper/221:50:372
608799444,35cyclictest10433-21cat23:00:162
608799444,35cyclictest0-21swapper/220:45:232
608799444,35cyclictest0-21swapper/218:20:032
608399444,10cyclictest0-21swapper/119:03:551
6083994412,26cyclictest8667-21cpu18:25:061
607899444,14cyclictest0-21swapper/020:02:370
6078994430,10cyclictest0-21swapper/019:31:340
608799434,33cyclictest0-21swapper/223:20:232
608799434,33cyclictest0-21swapper/222:29:292
608799433,34cyclictest0-21swapper/222:35:192
6083994322,14cyclictest16368-21/usr/sbin/munin20:10:171
6083994318,18cyclictest28576-21seq19:15:491
6083994318,18cyclictest28576-21seq19:15:491
607899434,34cyclictest0-21swapper/019:15:080
607899434,34cyclictest0-21swapper/019:15:080
607899434,33cyclictest0-21swapper/019:05:040
607899433,35cyclictest0-21swapper/018:29:540
608399423,35cyclictest0-21swapper/119:25:591
6083994223,14cyclictest3744-21sshd19:36:461
6083994223,13cyclictest17182-21unixbench_multi18:45:201
6083994221,15cyclictest20157-21fschecks_time18:55:071
6083994218,19cyclictest10123-21tune2fs19:55:061
6083994212,24cyclictest13201-21smart_sda18:35:201
607899423,33cyclictest16525-21iostat_ios18:45:080
6078994211,5cyclictest0-21swapper/020:04:570
98742413,8sleep20-21swapper/218:25:592
6083994126,10cyclictest18488-21latency18:50:101
6083994120,15cyclictest23509-21/usr/sbin/munin19:05:041
6083994119,16cyclictest1724-21unixbench_singl19:30:221
607899414,31cyclictest0-21swapper/019:22:100
607899414,31cyclictest0-21swapper/019:22:100
607899413,33cyclictest0-21swapper/019:58:230
607899413,33cyclictest0-21swapper/019:45:550
607899413,33cyclictest0-21swapper/018:36:260
137422413,7sleep20-21swapper/218:37:342
6083994025,9cyclictest25699-21fschecks_time19:10:071
6083994020,14cyclictest11711-21/usr/sbin/munin20:00:051
607899403,33cyclictest0-21swapper/018:41:320
231322403,7sleep20-21swapper/219:03:012
608799392,32cyclictest9895-21cut19:55:032
607899393,9cyclictest0-21swapper/018:20:400
607899374,28cyclictest0-21swapper/018:33:260
608799364,27cyclictest0-21swapper/220:25:212
608799364,27cyclictest0-21swapper/220:23:212
607899363,8cyclictest0-21swapper/018:56:570
436423611,17sleep00-21swapper/018:15:070
608799343,26cyclictest0-21swapper/220:10:112
608799343,26cyclictest0-21swapper/218:40:252
505123410,16sleep30-21swapper/318:15:183
608799333,25cyclictest0-21swapper/220:09:462
6087993318,11cyclictest4963-21awk19:40:142
608799324,22cyclictest0-21swapper/218:45:012
608799323,24cyclictest0-21swapper/220:16:262
608799314,21cyclictest0-21swapper/218:50:022
608799313,23cyclictest281ktimersoftd/219:09:532
6087993118,8cyclictest3584-21sed19:35:212
6087993018,7cyclictest8082-21cpu19:50:032
6087993018,7cyclictest28328-21timerwakeupswit19:15:222
6087993018,7cyclictest28328-21timerwakeupswit19:15:222
6087993018,7cyclictest21243-21sshd18:57:482
6087992919,6cyclictest24288-21open_inodes19:05:172
608799284,19cyclictest0-21swapper/220:00:112
6087992818,6cyclictest31169-21sh19:25:032
6087992816,7cyclictest6297-21fschecks_count19:45:052
6087992813,11cyclictest0-21swapper/219:30:542
6087992615,7cyclictest29306-21sh19:20:042
6087992615,7cyclictest29306-21sh19:20:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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