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2026-09-20 - 20:51
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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 Sep 20, 2026 12:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1283639920,0EcMasterDemoSyn1284629tAtEmLog_009:03:465
847939830,0EcMasterDemoSyn848929tAtEmLog_009:24:035
2272339830,0EcMasterDemoSyn2273329tAtEmLog_007:07:075
1887839830,0EcMasterDemoSyn1888829tAtEmLog_010:24:545
3204539820,0EcMasterDemoSyn3205529tAtEmLog_012:21:315
3194039820,0EcMasterDemoSyn3195029tAtEmLog_009:18:585
3185339820,0EcMasterDemoSyn3186329tAtEmLog_010:50:155
3096539820,0EcMasterDemoSyn3097529tAtEmLog_011:25:455
2868639820,0EcMasterDemoSyn2869629tAtEmLog_008:28:165
1443839820,0EcMasterDemoSyn1444829tAtEmLog_007:57:515
1352539820,0EcMasterDemoSyn1353529tAtEmLog_010:40:065
972639810,0EcMasterDemoSyn973629tAtEmLog_007:47:425
2395039810,0EcMasterDemoSyn2396029tAtEmLog_008:18:075
2158439810,0EcMasterDemoSyn2159429tAtEmLog_008:13:035
1972639810,0EcMasterDemoSyn1973629tAtEmLog_011:56:105
1808739810,0EcMasterDemoSyn1809729tAtEmLog_011:00:235
1550039810,0EcMasterDemoSyn1551029tAtEmLog_010:04:375
2084239770,0EcMasterDemoSyn20851-21runintdemo5min09:49:241
244632240,1sleep50-21swapper/510:09:415
1922639230,1EcMasterDemoSyn19235-21runintdemo5min08:07:592
1189439220,1EcMasterDemoSyn11902-21grep09:44:204
2304399190,15cyclictest15811-21sh10:59:554
23031991915,3cyclictest24976-21turbostat10:10:001
2302699195,10cyclictest16724-21sh09:46:230
2302699190,14cyclictest27467-21sh12:37:370
2303599180,13cyclictest6296-21ssh11:49:122
2303599180,13cyclictest13123-21ssh11:34:582
23031991816,2cyclictest5027-21kworker/1:2+events08:28:151
196199180,15tDemoTimingTask4259-21chrt11:47:425
1082229180,11tAtEmLog_016053-21chrt11:54:565
2316529170,9tAtEmLog_028169-21taskset12:20:005
2304399170,9cyclictest22078-21/usr/sbin/munin08:15:174
2304399170,14cyclictest334-21systemd-journal11:21:244
2303699176,8cyclictest754-21postgres10:47:453
2303599179,6cyclictest2244-21grep09:20:152
2303599174,9cyclictest24991-21fschecks_time08:20:142
2303599174,9cyclictest0-21swapper/210:23:372
2303599170,16cyclictest11785-21which09:25:222
2303599170,13cyclictest9948-21rm11:50:282
2303599170,13cyclictest19555-21rm11:20:032
2303599170,12cyclictest8357-21fschecks_time07:45:142
2303599170,11cyclictest19706-21ssh10:25:132
2303199170,9cyclictest27630-21sh12:00:321
2302699175,9cyclictest7097-21sh09:40:500
2302699175,9cyclictest27879-21awk10:30:000
2302699170,9cyclictest562-21sh09:19:440
2302699170,9cyclictest5361-21sh09:21:460
2302699170,9cyclictest3232-21sh09:39:260
2302699170,9cyclictest14616-21diskmemload10:59:030
2302699170,14cyclictest27770-21sh10:47:510
461439160,1EcMasterDemoSyn4620-21ps10:35:024
2304399160,9cyclictest2285-21head09:20:144
23036991611,4cyclictest4011-21cron09:40:003
2303599169,5cyclictest15553-21tail08:00:152
2303599165,9cyclictest26628-21which07:15:162
2303599163,10cyclictest24575-21date09:15:002
2303599161,11cyclictest31514-21taskset09:18:412
2303599161,11cyclictest17296-21taskset12:31:372
2303599160,13cyclictest31778-21ssh11:26:192
2303599160,13cyclictest25438-21ssh11:40:532
2303599160,13cyclictest25438-21ssh11:40:532
2303599160,12cyclictest785-21runrttasks11:07:412
2303599160,12cyclictest5001-21df09:40:142
2303599160,12cyclictest3230-21wc10:15:212
2303599160,12cyclictest31713-21/usr/sbin/munin10:50:152
2303599160,12cyclictest30620-21sh12:20:292
2303599160,12cyclictest2947-21ssh09:56:542
2303599160,12cyclictest25673-21ssh12:18:172
2303599160,12cyclictest22311-21ssh12:35:032
2303599160,12cyclictest18564-21ssh10:42:322
2303599160,12cyclictest17148-21sh11:55:132
2303599160,12cyclictest15942-21ssh12:12:372
2303599160,12cyclictest15334-21diskmemload09:48:542
2303599160,12cyclictest11166-21rm12:28:342
2303599160,12cyclictest10203-21ssh10:37:552
2303599160,11cyclictest3356-21sh12:05:182
2303599160,11cyclictest26374-21awk10:10:172
2303199166,6cyclictest334-21systemd-journal08:20:241
2303199160,12cyclictest5468-21date07:40:011
2302699161,9cyclictest16256-21ssh11:00:000
2302699160,9cyclictest785-21runrttasks07:29:100
2302699160,8cyclictest31630-21sh11:45:130
2302699160,14cyclictest6682-21timerwakeupswit11:30:240
2302699160,13cyclictest17712-21runrttasks10:24:030
2302699160,12cyclictest22094-21ssh11:57:530
1688099160,9tDemoTimingTask17157-21taskset08:05:015
2304399154,6cyclictest2061-21kworker/u24:3+xprtiod11:10:104
2304399153,9cyclictest334-21systemd-journal07:11:254
23043991511,3cyclictest7123-21cron10:55:004
2304399150,9cyclictest10234-21taskset07:50:034
2304399150,8cyclictest4753-21runrttasks07:36:534
2303699154,8cyclictest26356-21grep11:05:163
23036991511,2cyclictest8237-21kworker/u24:0-nfsiod09:20:123
2303699150,9cyclictest14533-21diskmemload12:11:353
2303599157,7cyclictest12886-21cpuspeed_turbos07:55:142
2303599155,9cyclictest8305-21tune2fs10:55:152
2303599155,9cyclictest2414-21grep11:10:142
2303599155,8cyclictest16859-21cpuspeed_turbos11:00:132
2303599154,8cyclictest0-21swapper/210:34:302
2303599151,11cyclictest15334-21diskmemload09:35:312
2303599150,8cyclictest2275-21awk07:30:242
2303599150,12cyclictest785-21runrttasks08:34:102
2303599150,12cyclictest725-21sshd07:21:242
2303599150,12cyclictest15334-21diskmemload10:46:382
2303599150,11cyclictest10901-21sed09:00:002
2303599150,10cyclictest28644-21ssh12:01:162
2303599150,10cyclictest20213-21sh10:06:352
2303199154,8cyclictest3251-21seq08:41:501
2303199151,10cyclictest27363-21ssh09:34:521
2303199150,9cyclictest785-21runrttasks09:59:451
2303199150,9cyclictest28331-21/usr/sbin/munin07:20:191
2303199150,7cyclictest21459-21ssh11:57:241
2303199150,11cyclictest10221-21taskset08:55:371
2302699157,7cyclictest968-21munin-node08:04:090
2302699156,7cyclictest5355-21df_inode12:25:150
2302699156,7cyclictest28511-21sshd12:20:080
2302699152,9cyclictest785-21runrttasks08:46:220
2302699150,7cyclictest16104-21sort09:10:120
2302699150,6cyclictest23219-21ssh09:31:520
2302699150,6cyclictest103-1kworker/0:1H+kblockd11:40:350
2302699150,6cyclictest103-1kworker/0:1H+kblockd11:40:350
339429140,12tAtEmLog_05666-21taskset08:47:385
2623539140,1EcMasterDemoSyn651irq_work/512:36:445
2304399147,6cyclictest25006-21apt12:00:004
2304399142,9cyclictest715-21snmpd11:08:504
2304399141,9cyclictest6202-21/usr/sbin/munin08:50:184
23043991411,2cyclictest28009-21cron07:20:004
2304399141,10cyclictest16-1pr/legacy12:36:434
2304399141,10cyclictest16-1pr/legacy11:51:064
2304399140,9cyclictest987-21ssh09:55:274
2304399140,10cyclictest334-21systemd-journal08:35:264
2304399140,10cyclictest32484-21ssh12:21:504
2304399140,10cyclictest28517-21rm09:16:304
2304399140,10cyclictest27491-21ssh10:10:274
2304399140,10cyclictest26831-21ssh11:41:534
2304399140,10cyclictest26831-21ssh11:41:534
2304399140,10cyclictest25784-21ssh10:28:314
2304399140,10cyclictest25587-21rm09:33:364
2304399140,10cyclictest12201-21ssh10:02:124
2303699145,8cyclictest3206-21/usr/sbin/munin12:05:173
2303699141,9cyclictest25183-21/usr/sbin/munin08:20:163
2303699141,9cyclictest19486-21ssh10:25:073
2303699141,10cyclictest4933-21/usr/sbin/munin08:45:213
2303699141,10cyclictest4889-21chrt09:58:193
2303699141,10cyclictest19273-21/usr/sbin/munin09:30:193
2303699140,10cyclictest9450-21sh12:27:183
2303699140,10cyclictest9050-21taskset11:50:193
2303699140,10cyclictest8538-21sh11:31:363
2303699140,10cyclictest785-21runrttasks10:39:593
2303699140,10cyclictest785-21runrttasks07:18:093
2303699140,10cyclictest5763-21sh10:16:503
2303699140,10cyclictest5470-21irqstats09:40:173
2303699140,10cyclictest478-21/usr/sbin/munin10:50:243
2303699140,10cyclictest32052-21sh10:31:383
2303699140,10cyclictest31784-21ssh12:21:203
2303699140,10cyclictest31110-21runrttasks08:33:403
2303699140,10cyclictest28331-21/usr/sbin/munin07:20:133
2303699140,10cyclictest26172-21fschecks_time12:00:143
2303699140,10cyclictest25390-21ssh11:40:523
2303699140,10cyclictest25390-21ssh11:40:513
2303699140,10cyclictest24800-21sh12:17:393
2303699140,10cyclictest23681-21netstat12:35:193
2303699140,10cyclictest22540-21/usr/sbin/munin09:50:183
2303699140,10cyclictest22540-21/usr/sbin/munin09:50:183
2303699140,10cyclictest22196-21ssh11:03:063
2303699140,10cyclictest21628-21sh11:39:453
2303699140,10cyclictest2064-21/usr/sbin/munin11:10:143
2303699140,10cyclictest20531-21sh10:43:593
2303699140,10cyclictest19861-21sh09:11:523
2303699140,10cyclictest18602-21diskmemload10:05:243
2303699140,10cyclictest18177-21ssh09:47:263
2303699140,10cyclictest17624-21tr08:05:143
2303699140,10cyclictest17410-21sh11:18:433
2303699140,10cyclictest15067-21sendmail_mailqu12:30:213
2303699140,10cyclictest1490-21/usr/sbin/munin08:40:173
2303699140,10cyclictest1264-21runrttasks11:27:433
2303699140,10cyclictest11793-21sed10:20:183
2303699140,10cyclictest1170-21latency_hist08:40:013
2303699140,10cyclictest11554-21needreboot09:25:203
2303699140,10cyclictest10407-21ssh10:55:583
2303599147,6cyclictest0-21swapper/208:45:152
2303599145,7cyclictest8765-21latency10:00:172
2303599144,9cyclictest7377-21wc07:42:372
2303599144,9cyclictest11426-21tune2fs11:15:142
2303599144,8cyclictest334-21systemd-journal08:42:242
2303599144,8cyclictest31972-21switchtime07:25:242
2303599144,8cyclictest27447-21sed08:25:152
2303599143,9cyclictest4613-21awk07:35:272
2303599143,9cyclictest22538-21tune2fs08:15:162
2303599142,10cyclictest7366-21uname08:50:192
2303599142,10cyclictest14494-21run-parts09:05:212
2303599140,12cyclictest32177-21head08:35:162
2303599140,12cyclictest16929-21ssh11:36:172
2303599140,11cyclictest24668-21ntp_offset07:10:202
2303599140,11cyclictest19297-21rm09:30:112
2303599140,10cyclictest22326-21ssh09:50:012
2303599140,10cyclictest22326-21ssh09:50:012
2303199141,9cyclictest3408-21runrttasks10:15:221
2303199141,9cyclictest31506-21latency07:25:181
2303199141,9cyclictest19532-21ssh11:20:021
2303199141,9cyclictest16465-21sh11:35:591
2303199141,9cyclictest14541-21swap09:05:241
2303199141,9cyclictest12615-21sh10:02:311
2303199141,9cyclictest10927-21/usr/sbin/munin09:00:141
2303199141,7cyclictest8252-21latency_hist08:54:591
2303199140,9cyclictest7561-21ssh10:55:071
2303199140,9cyclictest22078-21/usr/sbin/munin08:15:151
2303199140,10cyclictest9393-21sh11:14:201
2303199140,10cyclictest8130-21diskmemload12:26:221
2303199140,10cyclictest7894-21/usr/sbin/munin07:45:131
2303199140,10cyclictest785-21runrttasks09:51:261
2303199140,10cyclictest785-21runrttasks09:51:261
2303199140,10cyclictest7703-21sh11:50:011
2303199140,10cyclictest7500-21chrt07:43:531
2303199140,10cyclictest715-21snmpd08:02:221
2303199140,10cyclictest6893-21ssh09:40:421
2303199140,10cyclictest683-21grep08:35:251
2303199140,10cyclictest5885-21ssh09:22:091
2303199140,10cyclictest4884-21/usr/sbin/munin10:35:141
2303199140,10cyclictest4400-21ssh11:47:481
2303199140,10cyclictest4074-21runrttasks10:34:521
2303199140,10cyclictest32517-21rm09:37:131
2303199140,10cyclictest32194-21ssh10:13:531
2303199140,10cyclictest31586-21ssh09:18:441
2303199140,10cyclictest30611-21sh12:20:291
2303199140,10cyclictest30047-21python311:25:221
2303199140,10cyclictest29312-21ssh11:06:391
2303199140,10cyclictest2609-21ssh10:51:411
2303199140,10cyclictest23718-21grep12:35:191
2303199140,10cyclictest22802-21ssh11:40:091
2303199140,10cyclictest22802-21ssh11:40:091
2303199140,10cyclictest22587-21cut10:45:131
2303199140,10cyclictest21846-21ssh12:15:301
2303199140,10cyclictest19215-21sh12:32:591
2303199140,10cyclictest16181-21expr09:10:131
2303199140,10cyclictest13669-21/usr/sbin/munin10:40:251
2303199140,10cyclictest13278-21rm09:26:071
2303199140,10cyclictest11965-21awk10:20:191
2303199140,10cyclictest11805-21sh11:34:011
2302699147,5cyclictest32695-21wc10:50:200
2302699146,6cyclictest17215-21ssh09:28:560
2302699141,9cyclictest1141-21sh09:55:350
2302699141,11cyclictest31225-21latency_hist08:35:010
2302699140,9cyclictest785-21runrttasks07:30:040
2302699140,9cyclictest5602-21ssh11:11:340
2302699140,6cyclictest8417-21ssh10:36:360
2302699140,12cyclictest31277-21ssh10:31:050
2302699140,12cyclictest29513-21sh10:11:560
2302699140,12cyclictest29327-21sh12:01:440
2302699140,12cyclictest25370-21ssh11:23:050
2302699140,12cyclictest13570-21grep10:40:070
2302699140,10cyclictest785-21runrttasks10:05:570
2302699140,10cyclictest785-21runrttasks08:52:570
2302699140,10cyclictest4282-21ssh11:29:560
2302699140,10cyclictest4233-21ssh10:15:420
2302699140,10cyclictest30067-21chrt07:21:300
2302699140,10cyclictest2716-21cut12:05:140
2302699140,10cyclictest25439-21sh11:05:020
2302699140,10cyclictest24813-21taskset12:17:380
2302699140,10cyclictest23114-21cut09:50:140
2302699140,10cyclictest23114-21cut09:50:140
2302699140,10cyclictest15767-21sh11:35:310
2302699140,10cyclictest14883-21sed08:00:000
2302699140,10cyclictest14542-21sh10:03:560
2302699140,10cyclictest13379-21rm12:10:460
2302699140,10cyclictest11655-21sh11:51:410
2302699140,10cyclictest11485-21/usr/sbin/munin11:15:140
2302699140,10cyclictest11294-21ntpq07:50:190
3205699130,11tDemoTimingTask7952-21taskset12:26:135
2862639130,3EcMasterDemoSyn4495-21chrt12:05:405
2555599130,10tDemoTimingTask27765-21chrt11:42:335
2555599130,10tDemoTimingTask27765-21chrt11:42:335
2304399131,9cyclictest4815-21grep08:45:204
2304399130,9cyclictest9687-21chrt07:47:214
2304399130,9cyclictest8553-21/usr/sbin/munin08:55:134
2304399130,9cyclictest785-21runrttasks11:00:014
2304399130,9cyclictest6984-21ssh11:30:304
2304399130,9cyclictest579-21/usr/sbin/munin07:30:164
2304399130,9cyclictest30670-21runrttasks07:25:014
2304399130,9cyclictest28153-21/usr/sbin/munin09:35:214
2304399130,9cyclictest25851-21diskmemload10:46:264
2304399130,9cyclictest25549-21/usr/sbin/munin12:00:164
2304399130,9cyclictest2461-21fschecks_count10:15:164
2304399130,9cyclictest2217-21taskset11:46:114
2304399130,9cyclictest21912-21ssh10:07:504
2304399130,9cyclictest21511-21taskset08:12:134
2304399130,9cyclictest19789-21/usr/sbin/munin12:15:134
2304399130,9cyclictest1829-21cat12:05:014
2304399130,9cyclictest18215-21runrttasks09:10:404
2304399130,9cyclictest17833-21fschecks_count08:05:154
2304399130,9cyclictest15553-21unixbench_singl10:40:254
2304399130,9cyclictest15045-21runrttasks08:00:124
2304399130,9cyclictest1490-21/usr/sbin/munin08:40:134
2304399130,9cyclictest13707-21/usr/sbin/munin11:35:144
2304399130,9cyclictest13433-21ssh09:45:134
2304399130,9cyclictest13276-21/usr/sbin/munin09:05:204
2304399130,9cyclictest11607-21/usr/sbin/munin10:20:174
2304399130,9cyclictest10683-21chrt11:15:054
2304399130,9cyclictest10527-21ssh09:25:144
2304399130,11cyclictest23357-21idleruntime09:50:164
2304399130,11cyclictest23357-21idleruntime09:50:164
2304399130,10cyclictest7612-21sh12:25:584
2304399130,10cyclictest30705-21ssh11:25:344
2304399130,10cyclictest30426-21python308:30:244
2304399130,10cyclictest28452-21ssh10:30:124
2304399130,10cyclictest27275-21tune2fs08:25:154
2304399130,10cyclictest15890-21ssh12:30:384
2304399130,10cyclictest12950-21ssh12:10:274
2303699135,7cyclictest9227-21/usr/sbin/munin08:55:173
2303699135,6cyclictest22095-21hostname08:15:133
2303699130,9cyclictest8242-21taskset07:45:123
2303699130,9cyclictest785-21runrttasks08:51:253
2303699130,9cyclictest785-21runrttasks07:35:053
2303699130,9cyclictest7800-21/usr/sbin/munin10:00:203
2303699130,9cyclictest579-21/usr/sbin/munin07:30:243
2303699130,9cyclictest5541-21/usr/sbin/munin07:40:123
2303699130,9cyclictest28027-21sendmail_mailtr08:25:203
2303699130,9cyclictest26375-21ssh09:15:203
2303699130,9cyclictest25517-21/usr/sbin/munin10:10:203
2303699130,9cyclictest23909-21cpuspeed_turbos07:10:143
2303699130,9cyclictest21458-21runrttasks08:11:283
2303699130,9cyclictest19495-21ssh11:20:013
2303699130,9cyclictest16741-21/usr/sbin/munin11:55:123
2303699130,9cyclictest14977-21cat08:00:113
2303699130,9cyclictest13276-21/usr/sbin/munin09:05:193
2303699130,9cyclictest12966-21runrttasks09:05:003
2303699130,9cyclictest12595-21/usr/sbin/munin07:55:183
2303699130,10cyclictest785-21runrttasks07:50:373
2303699130,10cyclictest31537-21taskset11:45:083
2303699130,10cyclictest30929-21tr07:25:143
2303599131,10cyclictest11698-21sed09:00:182
2303599130,9cyclictest19806-21aten2_r5power_p08:10:132
2303599130,12cyclictest11038-21wc07:50:172
2303599130,11cyclictest23172-21date07:09:592
2303199135,6cyclictest23417-21sort07:10:001
2303199131,9cyclictest21228-21sed08:10:241
2303199130,9cyclictest715-21snmpd10:25:021
2303199130,9cyclictest3887-21aten2_r5power_e08:45:121
2303199130,9cyclictest29536-21entropy08:30:171
2303199130,9cyclictest2838-21date07:34:591
2303199130,9cyclictest25956-21/usr/sbin/munin07:15:141
2303199130,9cyclictest17367-21runrttasks08:05:081
2303199130,9cyclictest16507-21/usr/sbin/munin11:00:131
2303199130,9cyclictest11033-21/usr/sbin/munin12:10:201
2303199130,9cyclictest10688-21ssh11:15:041
2303199130,10cyclictest2037-21rm12:05:031
2303199130,10cyclictest13291-21basename07:55:161
2302699131,9cyclictest23386-21switchtime08:15:240
2302699131,10cyclictest22991-21latency_hist07:10:000
2302699130,9cyclictest785-21runrttasks08:42:010
2302699130,9cyclictest785-21runrttasks08:38:480
2302699130,9cyclictest715-21snmpd08:10:080
2302699130,9cyclictest715-21snmpd07:47:160
2302699130,9cyclictest14019-21expr12:30:140
2302699130,7cyclictest103-1kworker/0:1H+kblockd09:01:370
2302699130,7cyclictest103-1kworker/0:1H+kblockd07:40:230
2302699130,7cyclictest103-1kworker/0:1H+kblockd07:15:090
2302699130,7cyclictest103-1kworker/0:1H+kblockd07:13:050
2302699130,6cyclictest785-21runrttasks08:25:200
2302699130,11cyclictest9877-21cat08:55:240
2302699130,10cyclictest3992-21grep07:35:190
2302699130,10cyclictest25361-21cat08:20:170
2302699130,10cyclictest17542-21cpuspeed08:05:130
2302699130,10cyclictest13986-21if_enp6s009:05:170
2268999130,7tDemoTimingTask22713-21taskset09:13:555
1284799130,11tDemoTimingTask15164-21chrt09:08:365
99339120,0EcMasterDemoSyn671rcuc/508:38:245
3005339124,0EcMasterDemoSyn0-21swapper/509:56:125
2863829120,1tAtEmLog_0323632sleep512:03:585
2767399120,10tDemoTimingTask32321-21taskset11:08:525
2304399128,3cyclictest12973-21fschecks_count07:55:154
2304399124,6cyclictest645-21dbus-daemon08:20:194
2304399124,6cyclictest23301-21latency_hist07:10:004
2304399120,9cyclictest5590-21/usr/sbin/munin07:40:124
2304399120,9cyclictest28498-21awk07:20:124
2304399120,9cyclictest11694-21kernelversion09:00:184
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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