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2026-08-24 - 21:03
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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 Mon Aug 24, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2530821710,4sleep32229399cyclictest12:19:173
1068911020,34ptp4l401ktimersoftd/309:30:213
218932670,2sleep00-21swapper/013:21:580
22293996013,11cyclictest24539-21ssh11:40:203
2227299601,4cyclictest14427-21taskset10:21:140
2227299600,3cyclictest30930-21taskset10:54:340
2227299600,3cyclictest15230-21diskmemload12:07:260
273982590,2sleep10-21swapper/111:41:501
22293995812,10cyclictest12424-21ssh12:39:413
213432580,4sleep02227299cyclictest14:29:350
74772570,1sleep30-21swapper/314:48:133
220272574,41sleep00-21swapper/009:29:120
22293995612,19cyclictest29627-21ssh14:04:263
2227299560,2cyclictest0-21swapper/013:53:050
2229399558,12cyclictest26430-21latency_hist10:46:033
22293995511,10cyclictest21396-21ssh12:15:033
2229399549,12cyclictest6689-21awk10:01:283
2229399549,12cyclictest11670-21ssh13:11:313
2229399548,11cyclictest19466-21timerwakeupswit14:26:383
22293995412,18cyclictest15923-21chrt12:06:533
2229399528,11cyclictest25669-21sh11:41:183
2229399528,10cyclictest15018-21chrt13:49:113
22293995214,12cyclictest5025-21ssh11:54:513
22293995211,26cyclictest22571-21/usr/sbin/munin14:31:263
2229399518,17cyclictest8824-21timerandwakeup10:06:303
2229399518,17cyclictest8824-21timerandwakeup10:06:303
22293995112,12cyclictest10642-21ssh13:44:583
22293995112,12cyclictest10642-21ssh13:44:583
2229399508,17cyclictest13760-21if_ens311:26:203
22278995024,4cyclictest25-21ksoftirqd/111:46:371
22278994920,7cyclictest25-21ksoftirqd/110:16:301
2227299491,3cyclictest0-21swapper/011:36:160
22278994823,4cyclictest25-21ksoftirqd/111:56:311
22278994823,4cyclictest25-21ksoftirqd/111:39:081
2227299480,3cyclictest9334-21ssh13:10:210
2229399479,17cyclictest26865-21ssh12:54:373
2227899475,8cyclictest25-21ksoftirqd/113:56:071
22278994734,3cyclictest25-21ksoftirqd/111:21:261
22278994721,5cyclictest25-21ksoftirqd/113:46:231
2227299476,5cyclictest15230-21diskmemload12:53:070
2227299473,37cyclictest0-21swapper/013:11:160
60392460,3sleep32229399cyclictest13:40:443
2229399469,13cyclictest31130-21sed10:56:033
2229399469,13cyclictest15939-21ssh10:21:313
2227899467,3cyclictest25-21ksoftirqd/111:11:261
22278994636,3cyclictest25-21ksoftirqd/114:06:261
22278994636,3cyclictest25-21ksoftirqd/113:06:061
22278994636,3cyclictest25-21ksoftirqd/110:31:021
22278994633,3cyclictest25-21ksoftirqd/114:36:191
22278994623,3cyclictest25-21ksoftirqd/114:46:201
22278994621,3cyclictest25-21ksoftirqd/114:16:251
22278994617,8cyclictest25-21ksoftirqd/111:06:031
2227299460,36cyclictest15230-21diskmemload14:05:230
22293994514,17cyclictest10730-21cat10:11:203
22293994514,17cyclictest10730-21cat10:11:203
22293994511,15cyclictest31674-21sh13:32:113
2227899454,3cyclictest121rcu_preempt13:21:051
22278994526,4cyclictest25-21ksoftirqd/113:11:211
22278994524,7cyclictest25-21ksoftirqd/110:41:181
22278994522,8cyclictest25-21ksoftirqd/114:56:251
22278994521,8cyclictest25-21ksoftirqd/113:31:301
22278994520,9cyclictest25-21ksoftirqd/110:31:171
22278994516,8cyclictest25-21ksoftirqd/112:36:081
22278994431,3cyclictest25-21ksoftirqd/112:01:261
22278994421,7cyclictest25-21ksoftirqd/114:41:201
22278994421,4cyclictest25-21ksoftirqd/111:54:571
22278994420,8cyclictest25-21ksoftirqd/110:56:201
2227899441,9cyclictest26274-21ssh12:21:051
22278994419,8cyclictest25-21ksoftirqd/113:26:361
22278994415,8cyclictest25-21ksoftirqd/111:31:141
22278994414,8cyclictest25-21ksoftirqd/111:31:031
2227299440,4cyclictest15230-21diskmemload14:52:500
2227899435,7cyclictest25-21ksoftirqd/114:16:081
22278994335,5cyclictest25-21ksoftirqd/113:41:111
22278994335,5cyclictest25-21ksoftirqd/113:41:111
2227899433,3cyclictest25-21ksoftirqd/113:36:241
22278994333,3cyclictest25-21ksoftirqd/112:56:171
22278994331,3cyclictest25-21ksoftirqd/114:01:071
22278994320,8cyclictest25-21ksoftirqd/109:31:191
22278994318,9cyclictest25-21ksoftirqd/112:11:341
22278994318,4cyclictest25-21ksoftirqd/112:11:051
22278994318,4cyclictest25-21ksoftirqd/111:16:141
22278994316,8cyclictest25-21ksoftirqd/114:51:281
22278994314,9cyclictest25-21ksoftirqd/109:51:131
2229399428,15cyclictest18401-21ssh15:00:283
22293994210,17cyclictest16323-21/usr/sbin/munin11:31:213
22285994235,4cyclictest33-21ksoftirqd/212:56:182
22278994232,3cyclictest25-21ksoftirqd/112:24:401
22278994232,3cyclictest25-21ksoftirqd/110:01:151
22278994232,3cyclictest25-21ksoftirqd/109:46:231
22278994229,3cyclictest25-21ksoftirqd/112:51:061
22278994219,4cyclictest25-21ksoftirqd/110:40:531
22278994216,8cyclictest25-21ksoftirqd/110:26:021
22278994213,9cyclictest25-21ksoftirqd/110:16:021
22278994213,9cyclictest25-21ksoftirqd/110:16:021
2227299423,31cyclictest13652-21apt-get12:41:170
2227299422,33cyclictest0-21swapper/011:46:160
22272994214,24cyclictest11990-21grep10:16:020
22272994214,24cyclictest11990-21grep10:16:020
2227299421,3cyclictest27369-21ssh12:21:240
2229399416,10cyclictest31391-21sh14:40:153
2227899417,6cyclictest25-21ksoftirqd/114:01:371
22278994122,10cyclictest25-21ksoftirqd/110:46:191
22278994118,7cyclictest25-21ksoftirqd/114:31:371
2227299412,33cyclictest0-21swapper/014:31:200
2227299412,33cyclictest0-21swapper/014:11:190
2227299410,3cyclictest9159-21taskset10:07:290
2227299410,3cyclictest9159-21taskset10:07:290
2227299410,3cyclictest18889-21taskset10:30:050
2227299410,3cyclictest14072-21taskset10:19:500
2229399409,9cyclictest0-21swapper/314:24:433
2227899407,3cyclictest25-21ksoftirqd/114:21:261
2227899405,7cyclictest25-21ksoftirqd/113:26:061
2227899405,7cyclictest25-21ksoftirqd/111:06:201
2227899405,12cyclictest25-21ksoftirqd/112:31:341
2227899404,5cyclictest25-21ksoftirqd/112:41:311
2227899403,7cyclictest25-21ksoftirqd/112:51:281
2227899403,7cyclictest25-21ksoftirqd/110:11:021
2227899403,7cyclictest25-21ksoftirqd/110:11:021
22278994032,4cyclictest25-21ksoftirqd/109:56:151
2227299402,32cyclictest0-21swapper/014:21:200
2227299402,32cyclictest0-21swapper/012:11:170
2227299402,31cyclictest21646-21apt-get10:36:140
22272994017,19cyclictest5467-21sed10:01:160
2227299401,3cyclictest15230-21diskmemload12:36:400
2227299400,3cyclictest8833-21ssh11:59:050
2228599394,32cyclictest10474-21turbostat11:21:042
2227899395,6cyclictest25-21ksoftirqd/114:26:191
22278993932,4cyclictest25-21ksoftirqd/113:06:251
22278993913,9cyclictest25-21ksoftirqd/109:36:121
22278993910,7cyclictest25-21ksoftirqd/112:29:141
2227299393,31cyclictest0-21swapper/013:26:190
2227299392,31cyclictest0-21swapper/012:01:160
2227299392,30cyclictest4720-21apt-get14:46:190
2227299391,32cyclictest0-21swapper/011:41:140
22272993911,24cyclictest32625-21grep14:41:220
2227299390,4cyclictest11519-21irqrtprio11:21:220
2227299390,3cyclictest15230-21diskmemload14:18:370
2227299390,3cyclictest0-21swapper/011:51:270
218372394,24sleep20-21swapper/209:26:442
106891390,1ptp4l401ktimersoftd/314:08:493
2229399389,14cyclictest8524-21ssh11:58:203
2229399389,14cyclictest26149-21snmp_o5powerctl13:26:333
22293993811,16cyclictest3698-21/usr/sbin/munin12:31:323
2227899384,7cyclictest25-21ksoftirqd/109:31:021
22278993818,7cyclictest25-21ksoftirqd/110:53:411
2227299382,30cyclictest0-21swapper/013:46:190
2227299382,29cyclictest0-21swapper/010:56:140
2227299380,4cyclictest30840-21taskset13:31:290
2227299380,3cyclictest6283-21ssh12:32:440
2227299380,3cyclictest4829-21grep11:06:260
106891380,1ptp4l401ktimersoftd/314:12:213
106891380,1ptp4l401ktimersoftd/313:17:083
106891380,1ptp4l401ktimersoftd/312:46:083
106891380,1ptp4l401ktimersoftd/312:42:313
106891380,1ptp4l401ktimersoftd/312:28:123
106891380,1ptp4l401ktimersoftd/310:01:003
2227899373,3cyclictest25-21ksoftirqd/109:41:301
2227299373,24cyclictest15230-21diskmemload13:01:190
2227299371,3cyclictest0-21swapper/012:26:180
22272993712,22cyclictest1055-21runrttasks09:53:450
2227299370,4cyclictest29498-21systemctl12:56:280
106891370,1ptp4l401ktimersoftd/314:51:133
106891370,1ptp4l401ktimersoftd/314:42:353
106891370,1ptp4l401ktimersoftd/314:20:363
106891370,1ptp4l401ktimersoftd/313:54:523
106891370,1ptp4l401ktimersoftd/313:21:083
106891370,1ptp4l401ktimersoftd/313:06:533
106891370,1ptp4l401ktimersoftd/313:01:113
106891370,1ptp4l401ktimersoftd/312:57:403
106891370,1ptp4l401ktimersoftd/312:22:193
106891370,1ptp4l401ktimersoftd/311:48:373
106891370,1ptp4l401ktimersoftd/311:23:103
22285993622,11cyclictest33-21ksoftirqd/214:06:252
2227299367,24cyclictest0-21swapper/011:31:160
2227299362,5cyclictest2634-21apt-get09:56:130
2227299362,29cyclictest15001-21apt-get13:16:170
2227299362,29cyclictest0-21swapper/012:46:180
2227299361,4cyclictest3001-21munin-run14:11:070
22272993611,22cyclictest6467-21grep11:11:210
22272993611,22cyclictest1055-21runrttasks11:29:560
22272993610,23cyclictest29004-21needreboot09:41:220
22272993610,23cyclictest14920-21sort14:56:260
2227299360,4cyclictest23891-21ssh13:57:500
106891360,1ptp4l401ktimersoftd/309:36:263
22293993512,20cyclictest11335-21fgrep12:01:283
2227299358,24cyclictest11337-21latency_hist13:46:060
2227299358,24cyclictest11337-21latency_hist13:46:060
2227299352,28cyclictest0-21swapper/009:36:120
2227299350,4cyclictest3322-21snmp_o5powerctl13:36:330
2227299350,4cyclictest28932-21snmp_o5powerctl14:36:350
22285993428,3cyclictest33-21ksoftirqd/214:21:072
2227299347,23cyclictest25271-21missed_timers10:41:230
2227299342,6cyclictest22391-21apt-get12:16:170
2227299341,4cyclictest28690-21latency_hist10:51:030
22293993317,11cyclictest0-21swapper/311:06:153
22285993327,3cyclictest33-21ksoftirqd/215:01:082
2227299330,4cyclictest9544-21phc2sys-jitter11:16:260
22293993216,11cyclictest0-21swapper/309:31:133
22293993211,7cyclictest22792-21snmpd11:02:003
2227299326,23cyclictest32662chrt11:04:390
2227299326,23cyclictest31888-21grep09:46:300
2227299320,4cyclictest19531-21df10:31:170
106891320,10ptp4l401ktimersoftd/311:16:253
22293993114,14cyclictest21509-21cpuspeed_turbos13:56:213
22293993114,11cyclictest0-21swapper/309:46:133
2227299311,4cyclictest23064-21/usr/sbin/munin09:31:190
22293993017,9cyclictest0-21swapper/310:31:153
22293993016,10cyclictest0-21swapper/309:51:113
22285993024,3cyclictest33-21ksoftirqd/210:46:022
22293992916,9cyclictest22057-21gltestperf10:36:193
22293992914,11cyclictest28222-21/usr/sbin/munin09:41:163
22285992924,3cyclictest33-21ksoftirqd/213:26:262
22285992924,3cyclictest33-21ksoftirqd/212:51:252
22285992924,3cyclictest33-21ksoftirqd/212:36:052
22285992924,3cyclictest33-21ksoftirqd/212:11:182
22285992923,3cyclictest33-21ksoftirqd/214:51:222
22285992923,3cyclictest33-21ksoftirqd/212:41:052
307922280,4sleep2311rcuc/214:39:122
22293992816,9cyclictest608-21awk10:56:323
22293992816,8cyclictest6154-21grep11:11:193
22293992716,8cyclictest27790-21/usr/sbin/munin10:46:253
22293992716,8cyclictest12414-21cut10:16:173
22285992722,3cyclictest33-21ksoftirqd/214:46:262
22285992722,3cyclictest33-21ksoftirqd/214:26:272
22285992722,3cyclictest33-21ksoftirqd/213:06:062
22285992722,3cyclictest33-21ksoftirqd/212:41:232
22285992722,3cyclictest33-21ksoftirqd/211:31:162
22285992721,4cyclictest33-21ksoftirqd/213:56:072
22285992721,4cyclictest33-21ksoftirqd/209:56:202
22285992721,3cyclictest33-21ksoftirqd/213:31:362
22285992720,4cyclictest33-21ksoftirqd/213:17:182
22285992720,4cyclictest33-21ksoftirqd/211:51:232
2229399269,14cyclictest0-21swapper/310:26:193
2228599263,6cyclictest121rcu_preempt10:41:022
22285992621,3cyclictest33-21ksoftirqd/214:21:222
22285992621,3cyclictest33-21ksoftirqd/213:46:262
22285992621,3cyclictest33-21ksoftirqd/213:21:262
22285992621,3cyclictest33-21ksoftirqd/211:41:222
22285992621,3cyclictest33-21ksoftirqd/209:46:202
22285992620,4cyclictest33-21ksoftirqd/210:56:212
22285992620,3cyclictest33-21ksoftirqd/213:41:072
22285992620,3cyclictest33-21ksoftirqd/213:11:232
22285992620,3cyclictest33-21ksoftirqd/212:26:052
22285992620,3cyclictest33-21ksoftirqd/211:21:222
22285992620,3cyclictest33-21ksoftirqd/210:12:172
22285992620,3cyclictest33-21ksoftirqd/210:12:172
22285992620,3cyclictest33-21ksoftirqd/210:06:152
22285992620,3cyclictest33-21ksoftirqd/210:06:152
22285992620,3cyclictest33-21ksoftirqd/209:41:432
22285992619,4cyclictest33-21ksoftirqd/211:10:032
2228599254,13cyclictest26201-21ssh14:01:192
22285992520,3cyclictest33-21ksoftirqd/214:31:252
22285992520,3cyclictest33-21ksoftirqd/212:11:042
22285992520,3cyclictest33-21ksoftirqd/211:26:222
22285992519,3cyclictest33-21ksoftirqd/213:41:222
22285992519,3cyclictest33-21ksoftirqd/213:41:222
22285992519,3cyclictest33-21ksoftirqd/210:48:542
22285992519,3cyclictest33-21ksoftirqd/210:02:452
22285992519,3cyclictest33-21ksoftirqd/209:51:162
22285992519,3cyclictest33-21ksoftirqd/209:36:122
22285992518,4cyclictest33-21ksoftirqd/210:32:332
22285992419,3cyclictest33-21ksoftirqd/211:36:222
22285992419,3cyclictest33-21ksoftirqd/209:31:202
22285992418,3cyclictest33-21ksoftirqd/212:46:352
22285992418,3cyclictest33-21ksoftirqd/212:27:072
22285992418,3cyclictest33-21ksoftirqd/212:21:042
22285992418,3cyclictest33-21ksoftirqd/210:26:212
22285992417,4cyclictest33-21ksoftirqd/211:13:522
22285992417,4cyclictest33-21ksoftirqd/210:52:492
22285992318,3cyclictest33-21ksoftirqd/214:11:292
22285992318,3cyclictest33-21ksoftirqd/212:01:042
22285992318,3cyclictest33-21ksoftirqd/210:21:222
22285992316,4cyclictest33-21ksoftirqd/210:17:522
22285992313,4cyclictest33-21ksoftirqd/211:49:132
254902220,18sleep20-21swapper/214:00:392
22285992217,3cyclictest33-21ksoftirqd/214:41:232
22285992217,3cyclictest33-21ksoftirqd/212:06:042
22285992014,3cyclictest33-21ksoftirqd/213:06:242
22285991912,4cyclictest3382-21latency_hist11:06:032
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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