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2026-08-16 - 00:00
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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 Sat Aug 15, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3230499684,6cyclictest0-21swapper/209:33:162
3230499658,52cyclictest0-21swapper/210:23:082
3230499642,56cyclictest26534-21grep09:23:172
3230499632,55cyclictest19862-21switchtime09:58:142
3230499622,54cyclictest18622-21netstat09:13:112
3229299623,54cyclictest0-21swapper/008:27:490
3229299593,51cyclictest0-21swapper/009:20:490
3229299593,51cyclictest0-21swapper/009:20:490
3230899585,47cyclictest0-21swapper/309:01:093
3229299584,48cyclictest0-21swapper/009:10:290
3230899575,7cyclictest0-21swapper/311:21:563
3230899573,48cyclictest27479-21cpu10:52:573
3229299574,47cyclictest0-21swapper/009:13:090
319182579,16sleep20-21swapper/206:21:182
3230899565,7cyclictest0-21swapper/309:49:183
3229299552,47cyclictest12121-21needreboot09:48:080
3230899549,39cyclictest0-21swapper/311:23:003
3230899544,44cyclictest0-21swapper/311:30:563
3230499543,46cyclictest0-21swapper/206:23:362
32304995420,29cyclictest12483-21sort09:48:162
3230499542,46cyclictest2939-21runrttasks08:52:512
3229299544,45cyclictest0-21swapper/008:57:160
3229299544,44cyclictest0-21swapper/009:28:370
3230899535,41cyclictest0-21swapper/311:40:463
3230899535,18cyclictest0-21swapper/308:30:373
3230899535,18cyclictest0-21swapper/308:30:373
3230899534,43cyclictest0-21swapper/311:33:363
3230899533,45cyclictest0-21swapper/310:42:143
3229299533,45cyclictest0-21swapper/011:51:310
3229299533,45cyclictest0-21swapper/011:04:450
3229299532,45cyclictest23221-21ssh11:30:060
3230899524,42cyclictest0-21swapper/311:05:173
3230899524,42cyclictest0-21swapper/309:54:283
3230899523,44cyclictest0-21swapper/308:23:533
3230899522,45cyclictest23008-21ssh08:35:403
3230499523,44cyclictest1119-21grep07:48:192
3230499522,19cyclictest20807-21fschecks_count08:33:022
32304995218,29cyclictest26239-21/usr/sbin/munin10:08:152
32304995218,29cyclictest26239-21/usr/sbin/munin10:08:152
32304995216,31cyclictest6488-21fschecks_time11:07:592
32304995216,31cyclictest28697-21cut11:37:582
32304995216,30cyclictest8791-21timerandwakeup09:43:152
32304995211,35cyclictest346-21timerandwakeup08:48:172
32304995210,35cyclictest551-21ntpd10:53:072
3229299524,9cyclictest0-21swapper/011:39:360
3229299524,42cyclictest0-21swapper/011:32:570
3229299523,45cyclictest0-21swapper/010:43:500
3229299522,44cyclictest8366-21ssh08:58:540
3230899514,42cyclictest0-21swapper/310:04:483
3230899514,41cyclictest0-21swapper/310:50:273
3230899514,24cyclictest0-21swapper/311:43:023
3230899514,24cyclictest0-21swapper/311:43:023
32304995118,28cyclictest4210-21grep09:38:012
32304995117,29cyclictest9883-21sort10:28:142
32304995116,30cyclictest643-21runrttasks09:03:282
32304995111,35cyclictest7034-21swap06:38:182
32304995111,35cyclictest20028-21cpu10:42:582
3229299514,42cyclictest0-21swapper/010:49:170
3229299514,42cyclictest0-21swapper/006:38:180
3229299514,41cyclictest0-21swapper/010:27:170
3229299513,43cyclictest0-21swapper/011:18:520
3229299513,43cyclictest0-21swapper/010:59:230
3229299513,43cyclictest0-21swapper/010:59:230
3229299513,43cyclictest0-21swapper/010:30:470
3229299513,43cyclictest0-21swapper/010:01:100
3229299513,43cyclictest0-21swapper/008:41:250
3230899504,41cyclictest0-21swapper/310:59:473
3230899504,41cyclictest0-21swapper/310:59:473
3230899503,5cyclictest0-21swapper/310:37:373
32308995010,35cyclictest0-21swapper/309:08:143
3230499504,8cyclictest0-21swapper/210:13:172
32304995020,25cyclictest9892-21sort08:13:082
32304995020,24cyclictest9084-21cat06:43:202
32304995018,26cyclictest10102-21crond09:02:472
32304995017,28cyclictest22104-21kernelversion09:18:062
32304995017,28cyclictest22104-21kernelversion09:18:062
32304995015,30cyclictest25542-21sed08:38:202
32304995015,29cyclictest643-21runrttasks08:09:152
32304995015,29cyclictest14391-21unixbench_multi08:23:192
32304995014,30cyclictest3537-21unixbench_multi06:28:212
32304995014,30cyclictest16267-21timerwakeupswit09:53:162
32304995012,33cyclictest643-21runrttasks11:50:172
32304995012,32cyclictest4484-21processes07:58:142
32304995011,34cyclictest643-21runrttasks06:48:022
32304995011,33cyclictest22754-21fschecks_count10:03:012
32304995011,33cyclictest11631-21sh11:14:082
3229299507,37cyclictest0-21swapper/009:03:030
3229299504,40cyclictest0-21swapper/008:32:510
3229299503,43cyclictest0-21swapper/009:47:390
3229299503,42cyclictest0-21swapper/009:33:230
3229299503,42cyclictest0-21swapper/008:49:200
3229299502,44cyclictest0-21swapper/009:42:470
3230899496,37cyclictest0-21swapper/307:58:003
3230899495,10cyclictest0-21swapper/307:28:213
3230899494,40cyclictest0-21swapper/310:11:383
3230899494,40cyclictest0-21swapper/310:11:383
3230899494,40cyclictest0-21swapper/309:39:403
3230899494,40cyclictest0-21swapper/309:12:583
3230899494,40cyclictest0-21swapper/308:40:203
3230899494,39cyclictest0-21swapper/310:45:443
3230899493,41cyclictest0-21swapper/309:18:503
3230899493,41cyclictest0-21swapper/309:18:503
3230899492,42cyclictest27092-21ssh09:24:173
32308994912,5cyclictest0-21swapper/311:09:453
3230499492,41cyclictest12919-21grep06:53:202
32304994917,27cyclictest4891-21missed_timers06:33:122
32304994916,28cyclictest31540-21sort07:43:192
32304994916,28cyclictest2832-21sort07:53:182
32304994915,29cyclictest30200-21unixbench-2d09:28:172
32304994915,29cyclictest11197-21aten_rbpower_en08:17:592
32304994915,28cyclictest18105-21ntpq11:23:082
32304994914,29cyclictest1931-21latency10:18:042
32304994913,30cyclictest17068-21fschecks_count08:28:012
32304994913,30cyclictest17068-21fschecks_count08:28:012
32304994912,31cyclictest643-21runrttasks08:05:172
32304994911,33cyclictest1718-21sh11:01:542
32304994911,33cyclictest1718-21sh11:01:542
32304994911,32cyclictest24944-21unixbench_singl10:48:162
32304994910,33cyclictest28757-21fschecks_count07:38:042
32304994910,33cyclictest24884-21tr07:28:012
32304994910,33cyclictest21691-21load07:18:102
32304994910,33cyclictest21691-21load07:18:102
32304994910,33cyclictest1923-21ksmtuned11:44:592
32304994910,33cyclictest1923-21ksmtuned11:44:592
3229299498,35cyclictest0-21swapper/010:39:470
3229299494,39cyclictest0-21swapper/011:09:200
3229299493,41cyclictest0-21swapper/008:32:200
3229299493,41cyclictest0-21swapper/008:32:200
32292994911,12cyclictest0-21swapper/010:03:180
3230899488,34cyclictest0-21swapper/308:52:543
3230899484,39cyclictest0-21swapper/309:02:533
3230899484,38cyclictest0-21swapper/307:33:073
3230899483,40cyclictest0-21swapper/310:14:583
3230899483,40cyclictest0-21swapper/308:44:403
32308994814,9cyclictest8808-21timerandwakeup09:43:153
32308994811,5cyclictest0-21swapper/309:36:213
32308994811,5cyclictest0-21swapper/309:29:243
3230499488,35cyclictest14657-21timerandwakeup11:18:122
3230499483,38cyclictest28675-21missed_timers08:43:102
32304994818,25cyclictest13228-21tail10:33:072
32304994816,27cyclictest15335-21timerwakeupswit09:08:182
32304994815,28cyclictest643-21runrttasks10:42:362
32304994815,28cyclictest25401-21missed_timers11:33:062
32304994812,31cyclictest21274-21grep11:27:582
32304994812,30cyclictest17601-21fschecks_count07:08:042
32304994811,32cyclictest2922-21interrupts11:03:022
32304994810,32cyclictest14799-21unixbench_singl06:58:212
3229299484,39cyclictest0-21swapper/010:34:330
3229299484,38cyclictest0-21swapper/011:23:520
3229299484,38cyclictest0-21swapper/010:14:450
3229299484,38cyclictest0-21swapper/008:18:080
3229299484,11cyclictest0-21swapper/006:27:500
3229299483,40cyclictest0-21swapper/009:23:230
3229299483,39cyclictest0-21swapper/006:43:010
32292994810,32cyclictest16340-21sshd09:53:160
3230899478,34cyclictest0-21swapper/310:27:463
3230899475,9cyclictest0-21swapper/307:23:153
3230899475,9cyclictest0-21swapper/307:23:153
3230899474,38cyclictest0-21swapper/311:13:213
3230899474,38cyclictest0-21swapper/308:18:033
3230899474,37cyclictest0-21swapper/310:23:283
3230899474,37cyclictest0-21swapper/308:47:593
3230899473,40cyclictest0-21swapper/311:50:063
3230899473,39cyclictest0-21swapper/310:01:213
3230899473,11cyclictest0-21swapper/307:13:053
32308994716,26cyclictest21091-21/usr/sbin/munin07:18:153
32308994716,26cyclictest21091-21/usr/sbin/munin07:18:153
32304994711,30cyclictest19848-21missed_timers07:13:102
3229299478,7cyclictest0-21swapper/010:53:470
3229299476,35cyclictest0-21swapper/010:18:200
3229299474,38cyclictest0-21swapper/010:09:440
3229299474,38cyclictest0-21swapper/010:09:440
3229299474,38cyclictest0-21swapper/008:43:210
3229299474,37cyclictest0-21swapper/011:42:480
3229299474,37cyclictest0-21swapper/011:42:480
3230899468,33cyclictest30779-21fschecks_time07:43:043
3230899464,37cyclictest0-21swapper/310:18:353
3230899464,10cyclictest0-21swapper/307:53:093
3230899463,38cyclictest0-21swapper/308:13:013
32308994610,31cyclictest0-21swapper/308:08:133
3230499463,5cyclictest0-21swapper/207:33:052
32304994614,27cyclictest16725-21vmstat07:03:222
3229299464,37cyclictest16104-21missed_timers07:03:110
3229299464,37cyclictest0-21swapper/007:18:100
3229299464,37cyclictest0-21swapper/007:18:100
3229299464,37cyclictest0-21swapper/006:33:150
3229299464,36cyclictest0-21swapper/011:13:160
91782453,6sleep10-21swapper/111:11:581
3230899454,17cyclictest0-21swapper/307:11:213
3229799454,35cyclictest0-21swapper/106:28:051
3229299455,35cyclictest0-21swapper/007:42:470
3229299455,34cyclictest0-21swapper/006:53:020
3229299454,36cyclictest0-21swapper/007:33:270
3229299454,36cyclictest0-21swapper/006:28:200
3229299453,37cyclictest0-21swapper/006:52:160
3229299453,33cyclictest0-21swapper/007:12:500
3230899444,9cyclictest0-21swapper/307:48:063
3230899444,35cyclictest0-21swapper/307:40:453
3230899443,36cyclictest0-21swapper/308:02:493
3230899441,38cyclictest16593-21ls07:03:203
32304994416,23cyclictest0-21swapper/207:23:012
32304994416,23cyclictest0-21swapper/207:23:012
3229799444,35cyclictest0-21swapper/106:22:551
3229299443,36cyclictest0-21swapper/007:43:060
3229299443,36cyclictest0-21swapper/007:24:220
3229299443,36cyclictest0-21swapper/007:24:220
3229299443,35cyclictest0-21swapper/008:02:490
3229299434,35cyclictest0-21swapper/008:10:540
3229299433,9cyclictest0-21swapper/008:02:580
3229299433,8cyclictest13954-21perl06:58:050
3229299433,35cyclictest0-21swapper/008:13:050
3229299433,35cyclictest0-21swapper/007:54:540
3229299433,35cyclictest0-21swapper/007:48:220
3229299423,35cyclictest0-21swapper/007:28:370
3229299423,34cyclictest0-21swapper/007:16:580
193422423,7sleep10-21swapper/109:13:371
275142413,6sleep10-21swapper/110:52:581
243642412,6sleep124371-21ssh09:21:301
243642412,6sleep124371-21ssh09:21:301
241472403,6sleep10-21swapper/111:32:111
167672403,6sleep10-21swapper/107:03:461
107102403,6sleep10-21swapper/108:15:051
9372393,6sleep10-21swapper/108:48:531
116382390,4sleep1201ktimersoftd/109:48:011
109162393,6sleep10-21swapper/109:47:261
95932383,7sleep10-21swapper/106:47:241
57952373,6sleep10-21swapper/108:56:261
3229799374,28cyclictest0-21swapper/110:11:561
3229799374,28cyclictest0-21swapper/110:11:561
3188423713,17sleep30-21swapper/306:20:503
130962373,6sleep10-21swapper/106:54:321
3229799364,27cyclictest0-21swapper/110:33:261
3229799363,29cyclictest0-21swapper/110:14:561
3229799363,28cyclictest0-21swapper/110:27:031
3197023612,18sleep10-21swapper/106:21:531
298942363,6sleep10-21swapper/107:38:591
263582363,6sleep10-21swapper/107:31:301
171322363,28sleep10-21swapper/109:54:421
131242363,6sleep30-21swapper/306:54:503
3229799354,27cyclictest0-21swapper/107:08:001
3229799354,26cyclictest0-21swapper/111:34:541
3229799353,27cyclictest0-21swapper/110:29:211
308582353,6sleep10-21swapper/111:40:361
3229799345,21cyclictest0-21swapper/109:38:121
3229799344,27cyclictest0-21swapper/111:20:431
3229799344,26cyclictest0-21swapper/106:58:301
3229799343,27cyclictest0-21swapper/109:32:161
3229799343,27cyclictest0-21swapper/108:44:571
3229799343,26cyclictest0-21swapper/109:59:361
32297993424,6cyclictest23847-21sendmail_mailst07:23:161
32297993424,6cyclictest23847-21sendmail_mailst07:23:161
3229799342,27cyclictest564-21dbus-daemon11:02:441
3229799342,27cyclictest564-21dbus-daemon11:02:441
32297993414,15cyclictest11660-21sed09:03:181
3203623411,16sleep00-21swapper/006:22:440
30752343,6sleep10-21swapper/107:53:241
92732333,7sleep10-21swapper/109:00:571
3230899334,24cyclictest0-21swapper/306:43:123
32297993320,8cyclictest4748-21crond10:22:451
32297993319,10cyclictest2592-21ssh11:02:591
3229799324,24cyclictest0-21swapper/111:27:191
3229799324,24cyclictest0-21swapper/110:03:341
3229799324,23cyclictest0-21swapper/109:33:001
3229799324,23cyclictest0-21swapper/109:09:321
3229799324,23cyclictest0-21swapper/108:22:501
3229799324,23cyclictest0-21swapper/107:18:151
3229799324,23cyclictest0-21swapper/107:18:151
3229799324,22cyclictest0-21swapper/111:42:571
3229799324,22cyclictest0-21swapper/111:42:571
3229799323,26cyclictest0-21swapper/106:51:141
32297993222,6cyclictest23831-21fschecks_count10:47:591
3229799322,16cyclictest161112sh10:37:471
32297993219,8cyclictest6348-21wc08:03:131
32297993218,9cyclictest27619-21sshd07:33:171
32308993120,7cyclictest14218-21sort06:58:113
3229799315,22cyclictest0-21swapper/108:02:181
3229799314,23cyclictest0-21swapper/110:47:051
3229799314,23cyclictest0-21swapper/109:25:521
3229799313,23cyclictest0-21swapper/108:32:581
3229799313,22cyclictest0-21swapper/108:28:081
3229799313,22cyclictest0-21swapper/108:28:081
253902311,5sleep125479-21/usr/sbin/munin08:38:191
3230899303,24cyclictest0-21swapper/306:25:163
32308993020,6cyclictest11325-21ksmtuned06:50:453
32308993019,6cyclictest2395-21aten_rbpower_cu06:28:023
3229799304,22cyclictest0-21swapper/107:13:101
3229799304,20cyclictest0-21swapper/107:47:491
3229799303,23cyclictest0-21swapper/111:12:541
32297993020,6cyclictest7565-21df08:08:011
32297993018,7cyclictest572-21gdbus11:52:431
32297993018,7cyclictest572-21gdbus06:42:501
3230899293,21cyclictest0-21swapper/306:38:173
32308992919,6cyclictest4507-21fschecks_count06:33:063
3229799294,20cyclictest0-21swapper/107:48:191
32297992919,5cyclictest11659-21irqstats08:18:061
32297992818,6cyclictest643-21runrttasks06:37:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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