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2026-06-27 - 18:41
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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 Sat Jun 27, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2404721780,4sleep33067099cyclictest11:31:053
2981621540,4sleep03065699cyclictest12:44:010
1068911040,4ptp4l401ktimersoftd/308:57:173
1068911040,4ptp4l401ktimersoftd/308:57:173
106891720,1ptp4l401ktimersoftd/313:54:383
72922660,4sleep07291-21grep11:14:240
302352664,10sleep00-21swapper/008:54:510
302352664,10sleep00-21swapper/008:54:510
5652650,3sleep0101ktimersoftd/011:08:010
106891630,1ptp4l401ktimersoftd/311:09:063
30670996231,3cyclictest41-21ksoftirqd/311:39:223
234542580,2sleep0111rcuc/013:09:300
106891580,1ptp4l401ktimersoftd/311:22:363
30670995644,6cyclictest41-21ksoftirqd/312:19:173
30670995644,6cyclictest41-21ksoftirqd/312:19:173
30670995342,5cyclictest41-21ksoftirqd/309:49:133
303002524,35sleep20-21swapper/208:55:422
303002524,35sleep20-21swapper/208:55:422
30670995138,7cyclictest41-21ksoftirqd/310:29:163
30670995138,6cyclictest41-21ksoftirqd/310:14:153
30670994943,3cyclictest41-21ksoftirqd/314:24:123
30670994943,3cyclictest41-21ksoftirqd/312:04:093
296642492,10sleep1121rcu_preempt08:54:241
296642492,10sleep1121rcu_preempt08:54:241
30670994842,3cyclictest41-21ksoftirqd/311:44:093
30670994824,4cyclictest41-21ksoftirqd/313:09:243
30670994735,6cyclictest41-21ksoftirqd/313:49:203
106891470,1ptp4l401ktimersoftd/311:16:013
30670994622,4cyclictest41-21ksoftirqd/312:14:363
30670994622,4cyclictest41-21ksoftirqd/312:14:363
30670994622,4cyclictest41-21ksoftirqd/311:54:043
30670994529,3cyclictest41-21ksoftirqd/312:09:153
30670994438,3cyclictest41-21ksoftirqd/310:19:063
30670994437,4cyclictest41-21ksoftirqd/310:44:143
30670994426,10cyclictest41-21ksoftirqd/311:54:263
30670994421,4cyclictest41-21ksoftirqd/309:19:233
30670994420,4cyclictest41-21ksoftirqd/312:24:343
30670994413,5cyclictest41-21ksoftirqd/312:39:223
106891440,9ptp4l401ktimersoftd/309:33:053
106891430,1ptp4l401ktimersoftd/313:35:523
30670994232,6cyclictest41-21ksoftirqd/309:34:133
30670994231,3cyclictest41-21ksoftirqd/311:24:273
30670994228,6cyclictest41-21ksoftirqd/313:59:283
30670994221,7cyclictest41-21ksoftirqd/309:54:213
30670994220,4cyclictest41-21ksoftirqd/313:44:283
30670994219,4cyclictest41-21ksoftirqd/314:22:503
30670994210,8cyclictest41-21ksoftirqd/313:29:293
30670994210,8cyclictest41-21ksoftirqd/309:14:193
106891420,1ptp4l401ktimersoftd/313:17:193
3067099415,3cyclictest121rcu_preempt10:59:253
3067099412,7cyclictest41-21ksoftirqd/312:04:043
30670994120,11cyclictest41-21ksoftirqd/308:59:323
30670994117,4cyclictest41-21ksoftirqd/312:29:223
30670994116,4cyclictest41-21ksoftirqd/314:14:413
3066599413,30cyclictest28662-21apt-get13:49:202
30670994027,4cyclictest41-21ksoftirqd/314:09:273
30670994027,4cyclictest41-21ksoftirqd/314:09:273
3067099399,7cyclictest41-21ksoftirqd/311:35:333
3067099393,6cyclictest41-21ksoftirqd/313:39:263
30670993923,7cyclictest41-21ksoftirqd/310:04:193
30670993917,4cyclictest41-21ksoftirqd/309:39:293
3067099391,4cyclictest41-21ksoftirqd/312:49:253
106891390,1ptp4l401ktimersoftd/311:08:583
3067099384,3cyclictest121rcu_preempt12:39:053
30670993833,3cyclictest41-21ksoftirqd/313:09:063
3067099382,4cyclictest41-21ksoftirqd/309:59:183
30670993821,3cyclictest41-21ksoftirqd/312:44:223
30670993819,6cyclictest41-21ksoftirqd/309:09:183
30670993815,4cyclictest41-21ksoftirqd/309:44:293
30670993814,4cyclictest41-21ksoftirqd/313:27:183
3067099381,3cyclictest41-21ksoftirqd/310:24:233
30670993813,8cyclictest41-21ksoftirqd/312:54:283
3067099380,3cyclictest121rcu_preempt14:09:073
3067099380,3cyclictest121rcu_preempt14:09:073
3066599383,27cyclictest18131-21apt-get09:39:132
3066599383,27cyclictest1527-21apt-get09:04:132
3066599382,27cyclictest15681-21apt-get14:09:182
3066599382,27cyclictest15681-21apt-get14:09:182
3066599380,3cyclictest8833-21/usr/sbin/munin10:24:302
3067099372,8cyclictest41-21ksoftirqd/310:39:183
3067099372,8cyclictest41-21ksoftirqd/310:39:183
30670993716,7cyclictest41-21ksoftirqd/313:19:223
30670993715,4cyclictest41-21ksoftirqd/310:09:293
3066599373,27cyclictest13404-21apt-get09:29:142
3066599372,28cyclictest28444-21apt-get12:09:152
3066599372,27cyclictest6570-21apt-get11:14:172
3066599372,27cyclictest3835-21apt-get11:44:162
3066599370,2cyclictest0-21swapper/212:39:292
3067099364,7cyclictest41-21ksoftirqd/310:49:323
30670993624,3cyclictest41-21ksoftirqd/312:59:273
3067099361,3cyclictest41-21ksoftirqd/309:24:183
3066599363,26cyclictest30268-21apt-get12:44:192
3066599363,26cyclictest0-21swapper/209:24:142
3066599362,30cyclictest15893-21grep09:34:142
3066599362,28cyclictest20558-21apt-get14:14:212
3066599362,26cyclictest10817-21apt-get14:04:202
3066599362,26cyclictest10817-21apt-get14:04:202
3066599361,5cyclictest26965-21ssh11:01:062
3066599360,5cyclictest3003-21sh12:49:212
3067099351,7cyclictest41-21ksoftirqd/310:34:203
3066599353,27cyclictest0-21swapper/210:14:152
3066599353,25cyclictest9876-21apt-get10:29:152
3066599352,25cyclictest8649-21apt-get09:19:122
3066599352,25cyclictest16969-21apt-get10:44:142
3066599352,25cyclictest12242-21apt-get10:34:162
3066599352,25cyclictest1106-21apt-get13:54:212
30665993519,13cyclictest33-21ksoftirqd/210:04:442
30665993515,17cyclictest7540-21sh13:26:562
30665993514,18cyclictest20958-21sh13:07:472
3066599350,4cyclictest23223-21cut09:49:172
325832340,4sleep13066099cyclictest12:13:311
30670993414,7cyclictest41-21ksoftirqd/310:54:153
3066599349,21cyclictest10066-21ssh11:49:272
3066599346,24cyclictest18911-21fschecks_time11:59:202
3066599343,24cyclictest5953-21apt-get12:19:172
3066599343,24cyclictest5953-21apt-get12:19:172
3066599342,27cyclictest0-21swapper/212:04:172
3066599342,26cyclictest0-21swapper/212:24:182
3066599340,3cyclictest23783-21diskmemload11:28:512
3066599340,3cyclictest22364-21/usr/sbin/munin10:54:222
3066599338,22cyclictest16774-21sed12:29:262
3066599332,24cyclictest21293-21apt-get11:29:162
3066599331,4cyclictest1852-21irqstats12:14:262
3066599331,4cyclictest1852-21irqstats12:14:262
30665993314,16cyclictest3633-21sh11:09:472
30665993314,16cyclictest27969-21sh13:48:402
3066599331,3cyclictest15069-21sshd11:54:292
30665993313,17cyclictest6128-21ls13:59:212
3066599331,29cyclictest31956-21snmp_o5powerctl14:24:342
3066599330,4cyclictest3847-21acpi09:09:122
3066599330,4cyclictest25786-21chrt13:12:412
3066599330,4cyclictest20732-21sed10:49:302
3066599330,3cyclictest0-21swapper/209:44:212
30670993227,3cyclictest41-21ksoftirqd/309:04:043
3066599327,21cyclictest32447-21timerwakeupswit08:59:322
30665993214,14cyclictest32604-21cat10:09:162
3066599321,3cyclictest31307-21cstates11:39:192
30665993213,16cyclictest31205-21sh11:04:562
3066599321,28cyclictest7726-21grep12:54:202
3066599320,3cyclictest27633-21kworker/u8:013:14:252
3066599320,3cyclictest20502-21sed13:39:342
3066599320,2cyclictest0-21swapper/213:21:302
3066599320,2cyclictest0-21swapper/210:39:182
3066599320,2cyclictest0-21swapper/210:39:182
3066599320,15cyclictest0-21swapper/211:24:042
3066599315,23cyclictest15012-21irqrtprio13:34:262
30665993111,17cyclictest12612-21sh12:59:212
3066599310,4cyclictest26601-21snmp_o5powerctl09:54:292
137312310,5sleep013735-21fschecks_time09:29:170
7902300,4sleep1729-21cpu09:04:011
3066599306,21cyclictest21164-21if_ens312:34:232
3066599304,22cyclictest6306-21processes10:19:262
30665993012,15cyclictest29784-21sh11:37:302
30660993024,3cyclictest233-21systemd-journal09:18:561
3066599299,17cyclictest9510-21diskstats13:29:222
3066599296,19cyclictest0-21swapper/209:14:142
3066599290,3cyclictest25340-21ssh14:19:192
3066599286,19cyclictest27544-21/usr/sbin/munin09:59:232
30656992820,5cyclictest23781-21idleruntime-cro10:59:030
199012280,2sleep00-21swapper/012:33:410
54942270,3sleep04263-21/usr/sbin/munin13:24:290
30656992721,3cyclictest9-21ksoftirqd/009:13:560
30660992619,4cyclictest25-21ksoftirqd/110:56:101
30660992619,4cyclictest25-21ksoftirqd/109:27:581
3065699263,17cyclictest13628-21ssh11:54:160
30656992620,3cyclictest9-21ksoftirqd/013:29:260
30656992619,4cyclictest9-21ksoftirqd/010:20:320
30660992519,3cyclictest25-21ksoftirqd/110:44:151
30660992518,4cyclictest25-21ksoftirqd/110:28:041
30656992520,3cyclictest9-21ksoftirqd/012:24:050
30656992520,3cyclictest9-21ksoftirqd/012:24:050
30656992519,3cyclictest9-21ksoftirqd/010:48:210
30656992519,3cyclictest9-21ksoftirqd/009:45:500
30656992518,4cyclictest9-21ksoftirqd/009:37:520
30656992511,4cyclictest11866-21missed_timers14:04:280
30656992511,4cyclictest11866-21missed_timers14:04:280
246952252,3sleep124705-21ssh11:32:121
235592250,1sleep00-21swapper/013:44:070
136412250,21sleep00-21swapper/011:20:070
3066099243,3cyclictest121rcu_preempt14:19:041
30660992418,3cyclictest6431-21ssh12:52:511
30660992417,4cyclictest25-21ksoftirqd/110:32:371
3066099241,20cyclictest16198-21hddtemp_smartct14:09:231
3066099241,20cyclictest16198-21hddtemp_smartct14:09:231
3065699244,14cyclictest18530-21ssh11:59:170
30656992419,3cyclictest9-21ksoftirqd/014:15:480
30656992418,3cyclictest9-21ksoftirqd/009:49:370
30660992318,3cyclictest25-21ksoftirqd/111:23:401
30660992318,3cyclictest25-21ksoftirqd/109:38:261
30660992318,3cyclictest25-21ksoftirqd/109:31:151
30660992317,3cyclictest5179-21grep09:09:231
30660992317,3cyclictest25-21ksoftirqd/109:43:111
30660992317,3cyclictest20001-21grep10:49:211
30660992317,3cyclictest1310-21snmp_o5powerctl10:09:291
30660992316,4cyclictest25-21ksoftirqd/113:17:261
3066099231,2cyclictest0-21swapper/112:03:571
3066099230,4cyclictest23695-21/usr/sbin/munin13:44:361
3065699235,13cyclictest20553-21ssh12:34:170
3065699234,12cyclictest17268-21ssh13:04:170
30656992318,3cyclictest9-21ksoftirqd/014:24:260
30656992318,3cyclictest9-21ksoftirqd/012:54:190
30656992318,3cyclictest9-21ksoftirqd/011:53:210
30656992317,4cyclictest3324-21ssh13:23:040
30656992317,3cyclictest9-21ksoftirqd/014:09:340
30656992317,3cyclictest9-21ksoftirqd/014:09:340
30656992317,3cyclictest9-21ksoftirqd/011:47:280
30656992317,3cyclictest9-21ksoftirqd/011:26:400
30656992317,3cyclictest9-21ksoftirqd/010:51:450
30656992317,3cyclictest9-21ksoftirqd/010:02:270
30656992317,3cyclictest9-21ksoftirqd/009:00:110
30656992316,4cyclictest9-21ksoftirqd/012:05:230
30656992316,4cyclictest9-21ksoftirqd/009:21:290
30656992316,4cyclictest9-21ksoftirqd/009:05:530
30656992316,4cyclictest6720-21cut09:14:170
30656992316,4cyclictest1222-21find10:09:250
30660992217,3cyclictest25-21ksoftirqd/113:35:451
30660992217,3cyclictest25-21ksoftirqd/112:37:521
30660992215,4cyclictest25-21ksoftirqd/109:56:001
30660992215,4cyclictest21834-21snmp_o5powerctl09:44:261
3066099221,19cyclictest30647-21cyclictest12:27:581
3066099221,19cyclictest0-21swapper/110:39:171
3066099221,19cyclictest0-21swapper/110:39:171
3066099221,18cyclictest7836-21ssh11:48:171
3066099221,18cyclictest3355-21ssh13:55:201
3066099221,18cyclictest22448-21df_inode13:09:231
3066099221,18cyclictest13579-21snmp_o5powerctl10:34:271
3066099220,18cyclictest5707-21apt-config12:19:061
3066099220,18cyclictest5707-21apt-config12:19:061
30656992217,3cyclictest9-21ksoftirqd/011:29:150
30656992216,3cyclictest9-21ksoftirqd/010:35:360
30656992215,4cyclictest25890-21timerwakeupswit10:59:340
258022221,16sleep126034-21latency_hist11:34:051
30660992115,4cyclictest27097-21ssh11:01:201
30660992115,3cyclictest25-21ksoftirqd/109:52:151
30660992115,3cyclictest1446-21/usr/sbin/munin09:04:171
30660992114,4cyclictest6696-21cpuspeed_turbos11:14:181
30660992114,4cyclictest6468-21snmp_o5powerctl10:19:291
30660992114,4cyclictest32306-21ssh12:44:551
3066099211,17cyclictest57222sleep111:13:201
3066099211,17cyclictest32700-21ssh11:07:281
3066099211,17cyclictest30246-21df_inode10:04:171
3066099211,17cyclictest0-21swapper/112:55:171
3066099211,17cyclictest0-21swapper/111:29:031
30660992110,3cyclictest5782uname13:19:291
3066099210,18cyclictest32325-21ssh13:52:461
3066099210,18cyclictest21676-21ssh13:41:121
30656992115,3cyclictest9-21ksoftirqd/012:24:260
30656992115,3cyclictest9-21ksoftirqd/012:19:050
30656992115,3cyclictest9-21ksoftirqd/012:19:050
30656992115,3cyclictest9-21ksoftirqd/011:40:290
30656992115,3cyclictest4644-21apt-config10:19:020
30656992114,4cyclictest7413-21/usr/sbin/munin10:24:320
30656992114,4cyclictest2285-21cron12:54:010
30656992114,4cyclictest10939-21/usr/sbin/munin09:24:300
184902210,4sleep125-21ksoftirqd/112:31:131
30660992016,2cyclictest0-21swapper/109:59:191
30660992014,3cyclictest2930-21perl10:14:191
30660992013,4cyclictest13870-21expr11:54:181
3066099201,17cyclictest26466-21ssh12:06:211
3066099201,17cyclictest0-21swapper/113:32:211
3066099201,16cyclictest9363-21ssh14:02:201
3066099200,4cyclictest14394-21ssh12:59:491
3066099200,3cyclictest9138-21/usr/sbin/munin09:19:181
30656992015,3cyclictest9-21ksoftirqd/013:59:370
30656992015,3cyclictest9-21ksoftirqd/012:13:420
30656992014,3cyclictest9-21ksoftirqd/009:40:520
3065699201,3cyclictest29989-21apt-get10:04:150
30656992013,4cyclictest26629-21fschecks_time11:34:210
30656992013,4cyclictest25176-21/usr/sbin/munin09:54:250
30656992013,4cyclictest23783-21diskmemload13:00:150
3065699200,2cyclictest23783-21diskmemload13:44:190
30660991913,4cyclictest10824-21sh14:04:201
30660991913,4cyclictest10824-21sh14:04:201
30660991913,3cyclictest30432-21/usr/sbin/munin14:24:241
30660991912,5cyclictest25-21ksoftirqd/111:49:221
3066099191,17cyclictest0-21swapper/111:39:131
3066099191,16cyclictest0-21swapper/113:05:191
3066099191,15cyclictest7107-21ssh13:26:111
3066099191,15cyclictest26851-21snmp_o5powerctl12:39:311
30656991914,3cyclictest9-21ksoftirqd/012:44:180
30656991914,3cyclictest0-21swapper/011:09:160
30656991913,3cyclictest28580-21/usr/sbin/munin13:49:210
30656991913,3cyclictest28106-21sh13:14:280
30656991913,3cyclictest25748-21fschecks_count14:19:250
30656991912,4cyclictest46950irq/100-ens3-Tx13:34:250
30656991912,4cyclictest10326-21grep10:29:200
3065699190,16cyclictest14909-21fschecks_count10:39:200
3065699190,16cyclictest14909-21fschecks_count10:39:200
30660991813,3cyclictest2812-21ssh12:14:421
30660991813,3cyclictest2812-21ssh12:14:421
3066099181,14cyclictest25317-21ssh14:19:171
30656991812,3cyclictest23783-21diskmemload13:54:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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