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2026-04-30 - 16:01
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackbslot6.osadl.org (updated Thu Apr 30, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2067721850,4sleep03079499cyclictest12:35:490
1911121480,4sleep13079899cyclictest13:07:171
1068911020,4ptp4l401ktimersoftd/308:24:113
30798997058,6cyclictest25-21ksoftirqd/111:47:121
119372630,4sleep3401ktimersoftd/312:27:083
3080999611,26cyclictest13811-21ssh13:34:313
30798996149,5cyclictest25-21ksoftirqd/112:22:151
30798996148,6cyclictest25-21ksoftirqd/113:22:151
3080999590,27cyclictest6071-21ssh11:13:283
30798995945,6cyclictest25-21ksoftirqd/112:57:141
26052580,2sleep3391rcuc/312:17:173
3080999561,24cyclictest13376-21taskset08:56:293
3080999560,23cyclictest15211-21sed08:57:263
324672550,2sleep30-21swapper/311:41:563
3080999551,25cyclictest22013-21diskmemload12:05:453
3080999551,24cyclictest25589-21sh10:29:433
3080999551,21cyclictest233-21systemd-journal13:12:433
3080999550,23cyclictest24075-21sh13:45:233
3080999540,23cyclictest10647-21sh12:25:193
96702530,2sleep00-21swapper/010:47:000
30809995211,24cyclictest9858-21sh13:31:053
3080999520,23cyclictest19105-21sh12:33:053
30798995241,6cyclictest25-21ksoftirqd/109:02:091
3079499515,16cyclictest30235-21systemd11:07:130
3080999481,22cyclictest22682-21sh10:59:113
30804994834,7cyclictest33-21ksoftirqd/210:52:112
30804994728,9cyclictest33-21ksoftirqd/211:08:002
30798994438,3cyclictest25-21ksoftirqd/112:52:071
30798994332,5cyclictest25-21ksoftirqd/112:17:151
3079899430,4cyclictest131rcu_sched11:07:131
3080999420,20cyclictest19476-21ssh13:40:523
297902410,2sleep00-21swapper/010:33:310
3080999401,24cyclictest6032-21/usr/sbin/munin10:42:213
3080999401,24cyclictest29665-21/usr/sbin/munin13:17:233
3080999400,20cyclictest0-21swapper/312:42:193
3080999400,20cyclictest0-21swapper/312:42:193
30804994029,6cyclictest33-21ksoftirqd/213:12:152
3080999391,23cyclictest32609-21/usr/sbin/munin10:37:183
30804993915,18cyclictest33-21ksoftirqd/212:02:142
106891390,1ptp4l401ktimersoftd/313:09:403
106891390,1ptp4l401ktimersoftd/312:47:333
106891390,1ptp4l401ktimersoftd/311:28:573
106891390,1ptp4l401ktimersoftd/311:19:413
3080999381,22cyclictest26347-21snmp_o5powerctl12:07:243
3080999380,23cyclictest16410-21ssh13:03:333
30804993830,4cyclictest33-21ksoftirqd/212:12:152
30798993827,5cyclictest25-21ksoftirqd/113:42:161
184422380,4sleep1231rcuc/109:07:091
106891380,1ptp4l401ktimersoftd/313:47:333
106891380,1ptp4l401ktimersoftd/312:54:253
106891380,1ptp4l401ktimersoftd/312:12:093
106891380,1ptp4l401ktimersoftd/311:35:213
3080999371,21cyclictest9728-21/usr/sbin/munin12:57:193
3080999371,21cyclictest233-21systemd-journal11:23:243
3080999370,22cyclictest14652-21taskset10:09:043
3080999370,21cyclictest0-21swapper/311:48:093
30798993731,3cyclictest25-21ksoftirqd/110:42:131
30798993729,3cyclictest25-21ksoftirqd/113:47:151
106891370,1ptp4l401ktimersoftd/313:24:083
106891370,1ptp4l401ktimersoftd/312:38:013
106891370,1ptp4l401ktimersoftd/311:08:193
106891370,1ptp4l401ktimersoftd/311:03:033
106891370,1ptp4l401ktimersoftd/311:03:033
106891370,1ptp4l401ktimersoftd/310:32:133
106891370,0ptp4l401ktimersoftd/311:53:323
30798993614,6cyclictest25-21ksoftirqd/111:57:221
106891360,0ptp4l401ktimersoftd/308:36:123
30809993515,17cyclictest346-21sh13:53:173
30809993514,17cyclictest10298-21ls10:47:163
3080999350,21cyclictest0-21swapper/308:51:523
30798993528,4cyclictest25-21ksoftirqd/108:37:021
3034423513,11sleep233-21ksoftirqd/208:22:282
106891350,0ptp4l401ktimersoftd/311:45:563
30809993411,19cyclictest16480-21grep10:12:193
30798993428,3cyclictest25-21ksoftirqd/110:52:001
30798993423,5cyclictest25-21ksoftirqd/111:17:121
30798993422,6cyclictest25-21ksoftirqd/111:02:111
30798993422,6cyclictest25-21ksoftirqd/111:02:111
3080999333,23cyclictest9854-21apt-get09:57:093
3080999332,23cyclictest5044-21apt-get09:47:113
3080999330,20cyclictest2601-21/usr/sbin/munin09:42:283
30804993328,3cyclictest33-21ksoftirqd/208:36:572
30804993319,12cyclictest33-21ksoftirqd/213:42:192
30798993328,3cyclictest25-21ksoftirqd/108:36:581
30798993327,3cyclictest25-21ksoftirqd/113:17:041
30798993323,5cyclictest25-21ksoftirqd/108:57:111
30798993322,5cyclictest25-21ksoftirqd/109:42:101
3040823312,10sleep10-21swapper/108:23:161
3080999322,23cyclictest14942-21apt-get10:52:113
30809993211,18cyclictest8692-21ls08:46:573
30798993226,3cyclictest25-21ksoftirqd/111:32:171
30794993227,3cyclictest2370-21cron09:41:580
3080999311,26cyclictest23885-21irqrtprio09:17:173
3080999311,26cyclictest23885-21irqrtprio09:17:173
3080999311,24cyclictest0-21swapper/309:07:093
30809993111,17cyclictest18180-21cat10:17:173
30804993125,3cyclictest33-21ksoftirqd/212:00:042
3079899319,19cyclictest32106-21ssh10:37:011
30798993125,3cyclictest25-21ksoftirqd/111:22:351
30798993119,6cyclictest25-21ksoftirqd/111:27:141
3080999303,23cyclictest0-21swapper/309:02:083
3080999302,25cyclictest673-21cron08:31:573
30809993010,17cyclictest15420-21sh11:57:163
30809993010,17cyclictest14373-21cut10:07:003
3080999300,27cyclictest0-21swapper/310:22:183
3080999300,26cyclictest4190-21/usr/sbin/munin08:37:163
30804993025,3cyclictest33-21ksoftirqd/212:57:032
30804993025,3cyclictest33-21ksoftirqd/209:16:582
30804993025,3cyclictest33-21ksoftirqd/209:16:582
30804993024,4cyclictest33-21ksoftirqd/212:47:212
30804993024,3cyclictest33-21ksoftirqd/213:02:032
30804993024,3cyclictest33-21ksoftirqd/211:37:012
3079899304,16cyclictest28629-21ssh13:17:151
30798993025,3cyclictest25-21ksoftirqd/112:47:211
30798993025,3cyclictest25-21ksoftirqd/112:07:251
30798993024,3cyclictest25-21ksoftirqd/112:17:021
30798993024,3cyclictest25-21ksoftirqd/111:47:021
30798993023,4cyclictest25-21ksoftirqd/112:02:311
30798993017,6cyclictest25-21ksoftirqd/109:52:101
3080999293,23cyclictest25812-21expr09:22:123
3080999292,22cyclictest0-21swapper/309:32:103
3080999292,21cyclictest32734-21apt-get09:37:103
3080999291,24cyclictest21121-21fschecks_count09:12:123
3080999291,24cyclictest21121-21fschecks_count09:12:123
3080999291,23cyclictest0-21swapper/309:27:083
3080999290,25cyclictest8116-21irqrtprio09:52:173
30804992924,3cyclictest33-21ksoftirqd/209:51:592
30804992922,4cyclictest33-21ksoftirqd/213:37:192
30804992922,4cyclictest33-21ksoftirqd/211:22:012
30804992917,9cyclictest33-21ksoftirqd/209:41:592
30798992924,3cyclictest25-21ksoftirqd/112:32:021
30798992923,3cyclictest25-21ksoftirqd/113:52:181
30798992923,3cyclictest25-21ksoftirqd/112:32:151
30798992923,3cyclictest25-21ksoftirqd/111:52:301
30798992923,3cyclictest25-21ksoftirqd/108:51:571
30798992923,3cyclictest25-21ksoftirqd/108:31:581
30798992915,11cyclictest25-21ksoftirqd/111:12:131
3080499289,17cyclictest33-21ksoftirqd/209:32:132
30804992823,3cyclictest33-21ksoftirqd/213:32:212
30804992823,3cyclictest33-21ksoftirqd/212:12:022
30804992822,3cyclictest33-21ksoftirqd/213:52:052
30804992822,3cyclictest33-21ksoftirqd/210:47:022
30804992822,3cyclictest33-21ksoftirqd/210:01:592
30804992822,3cyclictest33-21ksoftirqd/208:27:092
30804992821,4cyclictest33-21ksoftirqd/211:47:192
30798992823,3cyclictest25-21ksoftirqd/112:42:161
30798992823,3cyclictest25-21ksoftirqd/112:42:161
30798992822,4cyclictest25-21ksoftirqd/111:37:171
30798992822,4cyclictest25-21ksoftirqd/109:31:581
30798992822,3cyclictest25-21ksoftirqd/110:27:121
30798992822,3cyclictest25-21ksoftirqd/110:17:281
3079899280,2cyclictest121rcu_preempt10:32:121
303322289,9sleep00-21swapper/008:22:180
24812280,1sleep20-21swapper/213:56:532
30804992722,3cyclictest33-21ksoftirqd/212:37:192
30804992722,3cyclictest33-21ksoftirqd/211:52:212
30804992722,3cyclictest33-21ksoftirqd/209:11:582
30804992721,3cyclictest33-21ksoftirqd/212:32:232
30798992722,3cyclictest25-21ksoftirqd/113:27:221
30798992722,3cyclictest25-21ksoftirqd/110:57:301
30798992722,3cyclictest25-21ksoftirqd/109:22:261
30798992721,3cyclictest25-21ksoftirqd/110:52:171
30798992721,3cyclictest25-21ksoftirqd/110:02:161
30798992721,3cyclictest25-21ksoftirqd/108:56:571
30798992721,3cyclictest16162-21grep13:37:181
30804992621,3cyclictest33-21ksoftirqd/210:32:152
30804992621,3cyclictest33-21ksoftirqd/208:57:112
30804992620,3cyclictest33-21ksoftirqd/212:47:032
30804992620,3cyclictest33-21ksoftirqd/212:47:032
30804992620,3cyclictest33-21ksoftirqd/210:42:202
30804992620,3cyclictest33-21ksoftirqd/209:42:162
30804992620,3cyclictest33-21ksoftirqd/209:21:582
30804992620,3cyclictest33-21ksoftirqd/209:21:582
30804992620,3cyclictest33-21ksoftirqd/209:02:152
30804992619,4cyclictest33-21ksoftirqd/210:22:182
30804992619,4cyclictest33-21ksoftirqd/209:22:142
30798992621,3cyclictest25-21ksoftirqd/110:12:141
30798992620,3cyclictest25-21ksoftirqd/109:47:171
30798992620,3cyclictest25-21ksoftirqd/109:41:591
30798992620,3cyclictest25-21ksoftirqd/109:20:541
30798992620,3cyclictest25-21ksoftirqd/109:20:541
30798992615,5cyclictest25-21ksoftirqd/110:22:111
30794992621,3cyclictest9-21ksoftirqd/011:52:290
30794992620,3cyclictest9-21ksoftirqd/013:33:460
30794992620,3cyclictest9-21ksoftirqd/009:08:360
163232260,2sleep10-21swapper/113:03:241
30804992520,3cyclictest33-21ksoftirqd/212:26:482
30804992520,3cyclictest33-21ksoftirqd/211:47:022
30804992520,3cyclictest33-21ksoftirqd/211:17:202
30804992520,3cyclictest33-21ksoftirqd/210:37:232
30804992520,3cyclictest33-21ksoftirqd/210:32:002
30804992519,4cyclictest33-21ksoftirqd/210:57:142
30804992519,3cyclictest33-21ksoftirqd/211:37:182
30804992519,3cyclictest33-21ksoftirqd/208:56:482
30804992518,4cyclictest33-21ksoftirqd/208:37:022
30798992520,3cyclictest25-21ksoftirqd/113:32:151
30798992520,3cyclictest25-21ksoftirqd/112:42:031
30798992520,3cyclictest25-21ksoftirqd/109:32:151
30798992520,3cyclictest25-21ksoftirqd/108:42:111
30794992520,3cyclictest9-21ksoftirqd/008:57:160
30794992519,3cyclictest9-21ksoftirqd/010:23:100
30794992519,3cyclictest9-21ksoftirqd/010:06:280
126122250,21sleep212700-21if_ens312:27:202
30804992419,3cyclictest33-21ksoftirqd/211:12:312
30804992419,3cyclictest33-21ksoftirqd/210:17:182
30804992418,3cyclictest33-21ksoftirqd/213:32:042
30804992418,3cyclictest33-21ksoftirqd/208:47:262
30804992417,4cyclictest33-21ksoftirqd/209:56:122
30804992413,4cyclictest33-21ksoftirqd/213:02:192
30798992419,3cyclictest25-21ksoftirqd/109:57:161
30798992418,3cyclictest25-21ksoftirqd/109:15:191
30798992418,3cyclictest25-21ksoftirqd/109:15:191
3079499242,19cyclictest20182-21systemd-journal13:42:040
30794992418,3cyclictest9-21ksoftirqd/010:10:380
30794992418,3cyclictest9-21ksoftirqd/008:48:330
30794992417,4cyclictest9-21ksoftirqd/008:52:460
30794992417,4cyclictest24437-21grep13:12:210
3079499240,22cyclictest760-21kworker/0:109:52:060
314442230,5sleep031446-21gltestperf08:27:090
3080499238,3cyclictest299352ptp4l13:17:252
30804992317,3cyclictest33-21ksoftirqd/211:02:292
30804992317,3cyclictest33-21ksoftirqd/211:02:292
30804992316,4cyclictest33-21ksoftirqd/213:07:242
30798992318,3cyclictest25-21ksoftirqd/110:12:001
30794992318,3cyclictest9-21ksoftirqd/011:33:450
30794992317,3cyclictest9-21ksoftirqd/011:38:470
30794992317,3cyclictest9-21ksoftirqd/010:01:110
30794992317,3cyclictest9-21ksoftirqd/009:35:540
30794992317,3cyclictest9-21ksoftirqd/009:14:040
30794992317,3cyclictest9-21ksoftirqd/009:14:040
30794992316,4cyclictest13662-21tr11:22:290
30794992314,6cyclictest18506-21systemd12:00:050
229012230,2sleep00-21swapper/010:59:340
30804992217,3cyclictest33-21ksoftirqd/212:17:202
30804992217,3cyclictest33-21ksoftirqd/208:46:572
30804992214,4cyclictest1130-21cpu13:22:162
3079499222,13cyclictest64-21kswapd013:27:160
30794992217,3cyclictest9-21ksoftirqd/013:22:270
30794992217,3cyclictest9-21ksoftirqd/010:19:380
30794992216,4cyclictest26073-21ssh10:30:330
30794992216,3cyclictest9-21ksoftirqd/009:19:280
30794992216,3cyclictest9-21ksoftirqd/009:19:280
3079499221,4cyclictest30392-21ssh13:52:090
3079499220,19cyclictest4077-21fschecks_time11:12:170
255022220,4sleep09-21ksoftirqd/012:40:420
30804992115,3cyclictest33-21ksoftirqd/210:10:072
30804992114,4cyclictest33-21ksoftirqd/210:04:272
30804992110,8cyclictest20071-21unixbench_multi11:27:322
30794992116,3cyclictest9-21ksoftirqd/011:17:200
30794992116,3cyclictest9-21ksoftirqd/009:45:300
30794992116,3cyclictest3292-21irqstats12:17:230
30794992115,3cyclictest9-21ksoftirqd/011:45:380
30794992115,3cyclictest9-21ksoftirqd/009:27:350
30794992115,3cyclictest9-21ksoftirqd/008:42:590
30794992114,4cyclictest32634-21fschecks_count10:37:190
30794992114,4cyclictest28985-21grep13:17:190
3079499211,18cyclictest0-21swapper/010:49:010
3079499210,19cyclictest0-21swapper/009:22:230
146312211,2sleep00-21swapper/012:28:470
30804992013,4cyclictest17427-21date10:17:002
3080499201,2cyclictest121rcu_preempt09:27:252
3079499202,15cyclictest26831-21grep12:42:160
3079499202,15cyclictest26831-21grep12:42:160
30794992015,3cyclictest9-21ksoftirqd/012:16:380
30794992014,3cyclictest24831-21/usr/sbin/munin12:07:150
30794992014,3cyclictest17411-21sendmail_mailtr09:02:190
30794992014,3cyclictest1055-21runrttasks12:47:580
3079499201,3cyclictest30025-21cut13:52:050
30794992013,4cyclictest9-21ksoftirqd/008:32:350
30794992013,4cyclictest22013-21diskmemload13:46:240
3079499201,17cyclictest11042-21ssh12:25:590
3079499201,17cyclictest0-21swapper/011:48:300
30794991916,2cyclictest0-21swapper/012:57:230
30794991914,3cyclictest17342-21ssh10:53:270
30794991913,4cyclictest9-21ksoftirqd/010:14:080
30794991913,4cyclictest19260-21cut13:07:190
30794991913,3cyclictest9-21ksoftirqd/008:38:440
30794991913,3cyclictest22013-21diskmemload12:04:360
30794991912,4cyclictest5483-21sed09:47:150
3079499191,16cyclictest13816-21ssh13:02:060
3079499191,15cyclictest0-21swapper/011:28:220
3079499190,17cyclictest0-21swapper/012:53:520
30794991812,3cyclictest22013-21diskmemload11:04:380
30794991812,3cyclictest22013-21diskmemload11:04:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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