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2026-03-20 - 12:56
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 all highest latencies:
System rackbslot6.osadl.org (updated Fri Mar 20, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911010,4ptp4l401ktimersoftd/320:02:383
106891640,1ptp4l401ktimersoftd/322:18:053
2789899621,3cyclictest0-21swapper/000:46:310
51522600,3sleep1231rcuc/123:57:311
215082580,1sleep10-21swapper/100:44:571
106891580,1ptp4l401ktimersoftd/323:01:083
34472550,3sleep32791899cyclictest01:32:283
293912550,2sleep20-21swapper/222:11:002
106891540,1ptp4l401ktimersoftd/323:34:033
27903995331,3cyclictest25-21ksoftirqd/101:24:071
106891530,2ptp4l25269-21kworker/3:122:08:073
234432520,2sleep00-21swapper/022:04:320
27903995117,7cyclictest25-21ksoftirqd/121:44:291
2790399503,7cyclictest21662-21munin-run00:14:051
313662490,1sleep00-21swapper/020:09:100
27903994920,9cyclictest25-21ksoftirqd/120:49:001
275772494,32sleep20-21swapper/220:01:132
27903994823,4cyclictest25-21ksoftirqd/122:24:251
27903994820,4cyclictest25-21ksoftirqd/123:19:351
2789899480,32cyclictest14036-21ssh00:39:020
2790399477,7cyclictest25-21ksoftirqd/121:54:031
27903994733,3cyclictest25-21ksoftirqd/123:04:251
27903994722,4cyclictest25-21ksoftirqd/122:29:201
27903994716,7cyclictest25-21ksoftirqd/122:19:231
27903994715,7cyclictest25-21ksoftirqd/122:49:041
27903994714,9cyclictest25-21ksoftirqd/122:53:261
2789899471,2cyclictest0-21swapper/000:13:330
106891470,1ptp4l401ktimersoftd/322:39:443
106891470,1ptp4l401ktimersoftd/322:39:443
27910994610,22cyclictest18949-21/usr/sbin/munin23:39:252
27903994618,4cyclictest25-21ksoftirqd/100:54:241
27903994538,4cyclictest25-21ksoftirqd/101:14:111
2790399451,6cyclictest29725-21sh21:14:011
2789899453,36cyclictest0-21swapper/022:34:140
303252440,1sleep230324-21cut21:14:162
2790399445,8cyclictest25-21ksoftirqd/100:49:361
27903994435,5cyclictest25-21ksoftirqd/122:39:141
27903994435,5cyclictest25-21ksoftirqd/122:39:141
2790399443,3cyclictest121rcu_preempt21:34:131
27903994424,7cyclictest25-21ksoftirqd/101:09:351
27903994419,4cyclictest25-21ksoftirqd/100:19:281
27903994419,4cyclictest25-21ksoftirqd/100:19:281
27903994416,9cyclictest25-21ksoftirqd/122:59:041
27903994416,5cyclictest25-21ksoftirqd/100:59:241
2789899442,34cyclictest0-21swapper/001:29:180
2778624425,8sleep10-21swapper/120:03:541
2790399436,3cyclictest25-21ksoftirqd/123:59:331
2790399434,7cyclictest25-21ksoftirqd/101:29:071
2790399433,8cyclictest25-21ksoftirqd/123:44:331
27903994321,3cyclictest25-21ksoftirqd/123:26:361
27903994321,3cyclictest25-21ksoftirqd/100:35:021
27903994315,7cyclictest25-21ksoftirqd/121:39:151
27903994315,4cyclictest25-21ksoftirqd/101:04:161
2789899433,32cyclictest29421-21apt-get00:54:190
27910994210,24cyclictest9494-21apt-get00:34:162
27903994230,3cyclictest25-21ksoftirqd/123:09:281
27903994229,10cyclictest25-21ksoftirqd/123:14:201
27903994222,7cyclictest25-21ksoftirqd/122:59:171
2790399421,9cyclictest30463-21diskstats20:09:011
27903994218,4cyclictest25-21ksoftirqd/100:30:231
27903994216,9cyclictest25-21ksoftirqd/100:39:161
27903994214,10cyclictest25-21ksoftirqd/123:31:491
2789899422,34cyclictest0-21swapper/022:44:140
106891420,4ptp4l401ktimersoftd/300:45:473
2791099411,4cyclictest23906-21/usr/sbin/munin23:44:172
2790399417,7cyclictest25-21ksoftirqd/101:34:081
2790399414,8cyclictest25-21ksoftirqd/121:29:301
2790399413,10cyclictest25-21ksoftirqd/122:09:181
27903994118,4cyclictest25-21ksoftirqd/120:54:301
27903994118,4cyclictest25-21ksoftirqd/120:54:301
27903994115,8cyclictest25-21ksoftirqd/100:18:281
27903994114,8cyclictest25-21ksoftirqd/122:04:131
27903994114,5cyclictest25-21ksoftirqd/121:24:181
27903994113,8cyclictest25-21ksoftirqd/122:15:461
27903994111,7cyclictest25-21ksoftirqd/100:04:161
2789899419,20cyclictest1055-21runrttasks23:20:000
2789899418,21cyclictest14233-21cpuspeed_turbos22:29:160
2789899412,33cyclictest14056-21apt-get23:34:170
2789899412,31cyclictest3736-21apt-get20:19:120
2789899412,31cyclictest31993-21apt-get00:24:170
2789899412,31cyclictest31993-21apt-get00:24:170
2789899412,31cyclictest1933-21apt-get00:59:180
2789899411,6cyclictest9475-21apt-get21:39:140
106891410,1ptp4l401ktimersoftd/301:11:363
2790399408,4cyclictest25-21ksoftirqd/120:29:141
2790399406,8cyclictest25-21ksoftirqd/100:29:051
2790399406,8cyclictest25-21ksoftirqd/100:29:051
2790399405,3cyclictest25-21ksoftirqd/123:34:191
27903994027,3cyclictest25-21ksoftirqd/120:24:251
27903994018,3cyclictest25-21ksoftirqd/123:41:251
27903994017,4cyclictest25-21ksoftirqd/122:36:301
27903994017,11cyclictest25-21ksoftirqd/121:19:211
27903994014,5cyclictest25-21ksoftirqd/120:59:131
2789899402,30cyclictest27651-21apt-get21:09:130
2789899401,3cyclictest0-21swapper/022:54:580
2789899400,5cyclictest2383-21cut22:49:220
2789899400,4cyclictest25925-21/usr/sbin/munin21:04:200
2789899400,4cyclictest24713-21kworker/u8:223:05:370
106891400,1ptp4l401ktimersoftd/323:18:093
106891400,1ptp4l401ktimersoftd/322:34:193
2790399394,9cyclictest25-21ksoftirqd/120:39:221
2790399394,3cyclictest31256-21memory20:09:041
2790399392,9cyclictest25-21ksoftirqd/120:14:201
2790399392,10cyclictest25-21ksoftirqd/121:09:011
2790399391,3cyclictest25-21ksoftirqd/120:19:141
2789899393,30cyclictest4723-21apt-get21:29:120
2789899392,32cyclictest0-21swapper/023:29:150
2789899392,30cyclictest15580-21apt-get20:44:110
106891390,1ptp4l401ktimersoftd/321:24:163
106891390,1ptp4l401ktimersoftd/300:04:503
106891390,14ptp4l401ktimersoftd/323:54:213
2791099381,5cyclictest30556-21ssh01:26:532
2790399383,7cyclictest25-21ksoftirqd/120:34:271
27903993818,8cyclictest25-21ksoftirqd/121:54:291
27903993813,4cyclictest25-21ksoftirqd/123:52:051
2789899382,30cyclictest30046-21apt-get21:14:120
2789899382,30cyclictest0-21swapper/020:34:100
2789899382,29cyclictest17419-21apt-get01:14:190
27898993812,22cyclictest12641-21tune2fs01:09:230
27898993811,24cyclictest31643-21latency_hist00:24:050
27898993811,24cyclictest31643-21latency_hist00:24:050
2789899380,3cyclictest5976-21snmp_o5powerctl00:29:290
2789899380,3cyclictest5547-21/usr/sbin/munin23:24:270
106891380,1ptp4l401ktimersoftd/323:47:053
106891380,1ptp4l401ktimersoftd/323:07:393
106891380,1ptp4l401ktimersoftd/322:56:583
106891380,1ptp4l401ktimersoftd/322:45:493
106891380,1ptp4l401ktimersoftd/322:30:413
106891380,1ptp4l401ktimersoftd/322:29:023
106891380,1ptp4l401ktimersoftd/322:13:373
106891380,1ptp4l401ktimersoftd/300:59:303
106891380,1ptp4l401ktimersoftd/300:31:483
106891380,1ptp4l401ktimersoftd/300:13:563
106891380,1ptp4l401ktimersoftd/300:00:093
106891380,15ptp4l401ktimersoftd/323:39:193
2791099371,32cyclictest18809-21grep20:49:182
2791099371,32cyclictest18809-21grep20:49:182
27910993712,21cyclictest20207-21sed21:59:222
27910993711,22cyclictest4605-21date01:34:082
27910993711,22cyclictest1747-21cat00:59:072
2791099370,7cyclictest20869-21snmp_o5powerctl00:44:292
2791099370,4cyclictest20676-21ls22:34:302
2790399377,3cyclictest25-21ksoftirqd/121:59:201
2790399375,7cyclictest25-21ksoftirqd/121:14:161
27903993731,3cyclictest25-21ksoftirqd/120:54:001
27903993731,3cyclictest25-21ksoftirqd/120:54:001
2789899378,25cyclictest13969-21sed21:49:020
2789899377,27cyclictest23568-21ps20:59:180
2789899373,5cyclictest28981-21apt-get23:49:160
2789899372,29cyclictest0-21swapper/000:14:160
27898993717,17cyclictest9-21ksoftirqd/022:03:360
2789899371,32cyclictest23988-21apt-get23:44:150
27898993713,21cyclictest21239-21diskmemload23:02:140
27898993712,22cyclictest14075-21cut20:39:180
2789899370,4cyclictest28064-21ssh23:14:310
2789899370,4cyclictest21888-21grep23:09:190
106891370,1ptp4l401ktimersoftd/323:49:223
106891370,1ptp4l401ktimersoftd/323:24:363
106891370,1ptp4l401ktimersoftd/323:19:473
106891370,1ptp4l401ktimersoftd/323:13:573
106891370,1ptp4l401ktimersoftd/322:50:243
106891370,1ptp4l401ktimersoftd/301:07:203
106891370,1ptp4l401ktimersoftd/300:39:493
106891370,1ptp4l401ktimersoftd/300:38:523
106891370,1ptp4l401ktimersoftd/300:27:493
106891370,1ptp4l401ktimersoftd/300:27:493
106891370,0ptp4l401ktimersoftd/301:21:343
27910993613,20cyclictest30234-21cut22:44:232
27910993612,20cyclictest1493-21cat23:54:152
27910993611,21cyclictest3614-21wc00:59:342
27910993610,22cyclictest17020-21cat01:14:072
2791099360,4cyclictest16419-21ssh22:30:142
2789899365,26cyclictest22900-21gltestperf01:19:240
2789899363,26cyclictest4228-21ssh22:19:150
2789899362,6cyclictest11894-21apt-get00:04:170
2789899362,29cyclictest0-21swapper/022:14:140
2789899362,28cyclictest9189-21apt-get22:24:150
27898993613,20cyclictest21675-21phc2sys-jitter20:54:230
27898993613,20cyclictest21675-21phc2sys-jitter20:54:230
27898993611,22cyclictest21239-21diskmemload22:12:570
2789899360,4cyclictest8297-21/usr/sbin/munin01:04:250
2789899360,4cyclictest6729-21ssh23:59:160
2789899360,4cyclictest25316-21rm22:39:240
2789899360,4cyclictest25316-21rm22:39:240
2789899360,3cyclictest7436-21snmp_o5powerctl20:24:230
2789899360,3cyclictest5245-21ssh23:57:400
2789899360,3cyclictest32669-21df_inode21:19:160
2789899360,3cyclictest28604-21ssh00:53:290
106891360,1ptp4l401ktimersoftd/320:11:193
106891360,0ptp4l401ktimersoftd/321:35:023
106891360,0ptp4l401ktimersoftd/320:16:373
2791099358,24cyclictest17073-21gltestperf23:04:192
27910993514,17cyclictest8895-21latency_hist23:29:052
27910993510,21cyclictest9372-21seq22:24:162
2791099350,5cyclictest16447-21ssh00:09:042
2789899355,26cyclictest19434-21cat20:49:220
2789899355,26cyclictest19434-21cat20:49:220
2789899351,30cyclictest16516-21apt-key21:54:030
27898993511,21cyclictest14837-21fschecks_count00:39:220
27898993511,20cyclictest28756-21mailstats01:24:300
106891350,2ptp4l4898-21kworker/3:201:17:133
106891350,1ptp4l401ktimersoftd/323:37:303
106891350,1ptp4l401ktimersoftd/301:26:123
106891350,0ptp4l401ktimersoftd/300:55:343
2791099348,22cyclictest32467-21irqrtprio22:14:222
2791099341,4cyclictest3141-21snmp_o5powerctl22:49:312
2791099341,4cyclictest28862-21users00:19:352
2791099341,4cyclictest28862-21users00:19:352
27910993412,19cyclictest1554-21expr20:14:122
2791099340,5cyclictest17734-21fschecks_count01:14:222
2791099340,4cyclictest1223-21ptp4l-jitter21:19:242
2789899340,4cyclictest7370-21diskstats21:34:160
106891340,1ptp4l401ktimersoftd/322:22:333
2791099338,21cyclictest25948-21sed21:04:202
2791099337,22cyclictest11606-21irqrtprio20:34:172
2791099336,23cyclictest23012-21tr20:59:132
2791099332,6cyclictest22386-21apt-get01:19:192
2791099331,5cyclictest0-21swapper/200:39:182
27910993313,17cyclictest1102-21cut20:14:002
2791099331,29cyclictest21176-21/usr/sbin/munin20:54:192
2791099331,29cyclictest21176-21/usr/sbin/munin20:54:192
2791099331,28cyclictest7942-21irqrtprio21:34:212
27910993312,18cyclictest10303-21proc_pri23:29:252
27910993311,19cyclictest1170-21sh23:19:532
27910993311,19cyclictest10454-21sh00:02:442
27910993310,20cyclictest25651-21sh00:17:292
27910993310,20cyclictest23004-21which22:04:252
2791099330,4cyclictest8645-21ssh22:23:502
2791099330,4cyclictest2609-21df21:24:162
2791099330,4cyclictest10089-21ssh22:57:112
2789899336,24cyclictest17590-21cut21:54:180
2789899336,23cyclictest19734-21tr23:39:220
2789899330,5cyclictest27902-21cut20:04:000
2789899330,4cyclictest28517-21perl20:04:140
2789899330,3cyclictest8941-21hddtemp_smartct20:29:150
2789899330,3cyclictest2707-21snmp_o5powerctl20:14:230
106891330,1ptp4l401ktimersoftd/321:44:153
106891330,1ptp4l401ktimersoftd/300:52:543
106891330,1ptp4l401ktimersoftd/300:23:013
106891330,1ptp4l401ktimersoftd/300:23:013
106891330,1ptp4l401ktimersoftd/300:18:443
2791099327,22cyclictest8945-21hddtemp_smartct20:29:152
2791099327,22cyclictest15867-21unixbench_singl23:34:332
27910993216,13cyclictest33-21ksoftirqd/220:44:412
27910993212,17cyclictest849-21sh23:53:402
27910993211,19cyclictest25947-21grep22:39:332
27910993211,19cyclictest25947-21grep22:39:332
27910993210,19cyclictest6539-21gltestperf20:24:142
27910993210,19cyclictest13995-21sh23:00:252
2791099320,6cyclictest27518-21irqstats23:14:232
2791099320,5cyclictest27516-21sh00:51:412
106891320,1ptp4l401ktimersoftd/321:07:013
106891320,1ptp4l401ktimersoftd/320:19:463
2791899313,22cyclictest0-21swapper/320:39:113
2791099319,19cyclictest30219-21latency_hist20:09:002
2791099318,19cyclictest9048-21unixbench_singl01:04:352
2791099311,4cyclictest18778-21/usr/sbin/munin00:09:332
27910993111,17cyclictest5926-21sed20:24:002
2791099310,3cyclictest121rcu_preempt21:09:112
2791099310,28cyclictest4126-21cron00:29:052
2791099310,28cyclictest4126-21cron00:29:052
106891310,1ptp4l401ktimersoftd/320:53:383
106891310,1ptp4l401ktimersoftd/320:53:383
106891310,1ptp4l401ktimersoftd/320:36:323
106891310,1ptp4l401ktimersoftd/320:32:393
2791099300,4cyclictest15085-21irqstats21:49:212
2791099300,27cyclictest214842chrt23:09:142
2789899300,5cyclictest2486-21grep21:24:150
2791099297,19cyclictest4659-21cat21:29:122
2791099294,4cyclictest4984-21grep00:29:212
2791099291,7cyclictest16799-21apt-get21:54:122
2791099290,5cyclictest14436-21ptp4l20:39:212
2791099283,5cyclictest11841-21apt-get21:44:142
27918992721,3cyclictest41-21ksoftirqd/321:57:013
27918992720,4cyclictest41-21ksoftirqd/321:15:053
2791099270,6cyclictest11137-21sed21:39:312
106891270,1ptp4l401ktimersoftd/321:12:423
27918992613,10cyclictest21421-21latency_hist22:04:033
106891260,1ptp4l401ktimersoftd/320:06:323
106891260,0ptp4l401ktimersoftd/320:56:483
106891260,0ptp4l401ktimersoftd/320:56:483
106891250,1ptp4l401ktimersoftd/321:49:143
106891250,1ptp4l401ktimersoftd/321:41:343
106891250,1ptp4l401ktimersoftd/321:29:123
106891250,10ptp4l401ktimersoftd/320:47:023
106891240,1ptp4l401ktimersoftd/321:19:143
106891240,1ptp4l401ktimersoftd/320:24:103
106891230,0ptp4l401ktimersoftd/320:59:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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