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2026-06-24 - 03:31
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 the 376 highest latencies:
System rackbslot6.osadl.org (updated Wed Jun 24, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911030,4ptp4l401ktimersoftd/320:54:583
113132650,1sleep30-21swapper/301:34:103
304322610,3sleep2321ktimersoftd/201:21:242
296972600,2sleep00-21swapper/023:42:010
202012590,2sleep20-21swapper/202:17:092
106891580,1ptp4l401ktimersoftd/323:03:533
24905995626,3cyclictest33-21ksoftirqd/201:07:102
24905995626,3cyclictest33-21ksoftirqd/201:07:102
24905995426,4cyclictest33-21ksoftirqd/223:42:092
247342544,39sleep00-21swapper/020:56:210
24916995327,4cyclictest41-21ksoftirqd/301:47:123
24916995324,7cyclictest41-21ksoftirqd/323:02:083
24916995212,7cyclictest41-21ksoftirqd/302:02:133
22352520,1sleep30-21swapper/323:47:063
33552510,2sleep10-21swapper/123:14:041
33552510,2sleep10-21swapper/123:14:041
24905995125,4cyclictest33-21ksoftirqd/200:37:272
24905995123,4cyclictest33-21ksoftirqd/201:27:292
24905995122,4cyclictest33-21ksoftirqd/202:27:132
24916995025,4cyclictest41-21ksoftirqd/321:27:343
24916995025,3cyclictest41-21ksoftirqd/300:17:333
106891500,1ptp4l401ktimersoftd/323:35:543
24916994926,3cyclictest41-21ksoftirqd/321:57:253
24916994925,3cyclictest41-21ksoftirqd/300:42:243
24916994923,3cyclictest41-21ksoftirqd/322:07:343
24905994922,4cyclictest33-21ksoftirqd/200:07:362
24905994921,4cyclictest33-21ksoftirqd/200:22:102
20112490,2sleep30-21swapper/301:24:553
24905994822,4cyclictest33-21ksoftirqd/221:32:192
24905994816,4cyclictest33-21ksoftirqd/222:07:062
106891480,2ptp4l27293-21kworker/3:021:38:193
24916994723,4cyclictest41-21ksoftirqd/323:37:223
24916994722,4cyclictest41-21ksoftirqd/322:22:263
24916994722,4cyclictest41-21ksoftirqd/301:42:123
24905994719,4cyclictest33-21ksoftirqd/223:22:362
226572474,30sleep10-21swapper/120:52:111
24916994640,3cyclictest41-21ksoftirqd/300:12:143
24916994622,3cyclictest41-21ksoftirqd/300:27:323
24916994621,3cyclictest41-21ksoftirqd/302:07:423
24905994620,4cyclictest33-21ksoftirqd/200:47:302
24905994619,4cyclictest33-21ksoftirqd/223:47:282
24905994616,4cyclictest33-21ksoftirqd/202:17:432
24916994522,3cyclictest41-21ksoftirqd/322:32:273
24905994521,4cyclictest33-21ksoftirqd/200:27:382
24905994520,4cyclictest33-21ksoftirqd/221:02:342
24905994519,4cyclictest33-21ksoftirqd/223:37:222
24905994517,4cyclictest33-21ksoftirqd/202:07:132
24905994512,4cyclictest33-21ksoftirqd/201:42:412
24916994435,5cyclictest41-21ksoftirqd/322:02:163
24905994419,4cyclictest33-21ksoftirqd/201:57:312
24905994419,4cyclictest33-21ksoftirqd/200:42:412
24905994418,4cyclictest33-21ksoftirqd/223:57:372
24905994417,4cyclictest33-21ksoftirqd/200:04:382
24905994319,3cyclictest33-21ksoftirqd/222:27:072
24905994319,3cyclictest33-21ksoftirqd/200:12:292
24905994317,4cyclictest33-21ksoftirqd/221:57:272
24905994317,4cyclictest33-21ksoftirqd/200:57:252
24905994316,4cyclictest33-21ksoftirqd/223:52:322
24905994316,4cyclictest33-21ksoftirqd/223:07:292
24905994316,4cyclictest33-21ksoftirqd/223:05:492
24905994316,4cyclictest33-21ksoftirqd/200:52:322
2489399434,35cyclictest22349-21sed21:57:230
24916994234,4cyclictest41-21ksoftirqd/301:47:253
24905994218,4cyclictest33-21ksoftirqd/200:24:332
24905994217,4cyclictest33-21ksoftirqd/222:17:262
24905994216,4cyclictest33-21ksoftirqd/221:47:452
24905994216,4cyclictest33-21ksoftirqd/221:07:312
24905994216,4cyclictest33-21ksoftirqd/201:12:242
24905994216,3cyclictest33-21ksoftirqd/222:57:282
24905994211,4cyclictest33-21ksoftirqd/201:42:122
24905994117,3cyclictest33-21ksoftirqd/221:42:062
24905994115,5cyclictest33-21ksoftirqd/223:32:232
24905994115,4cyclictest33-21ksoftirqd/222:47:292
24905994115,4cyclictest33-21ksoftirqd/221:22:342
24905994115,4cyclictest33-21ksoftirqd/221:22:342
24905994114,4cyclictest33-21ksoftirqd/201:07:262
24905994114,4cyclictest33-21ksoftirqd/200:35:542
24905994114,3cyclictest33-21ksoftirqd/222:42:072
24893994118,20cyclictest15210-21gltestperf21:42:210
2491699408,7cyclictest41-21ksoftirqd/301:12:253
24916994031,5cyclictest41-21ksoftirqd/322:52:203
24916994030,3cyclictest41-21ksoftirqd/300:58:563
24916994011,4cyclictest41-21ksoftirqd/300:34:263
24905994016,4cyclictest33-21ksoftirqd/223:27:242
24905994016,3cyclictest33-21ksoftirqd/202:07:272
24905994014,4cyclictest33-21ksoftirqd/201:52:382
106891400,1ptp4l401ktimersoftd/323:58:143
2491699396,3cyclictest121rcu_preempt23:15:283
2491699396,3cyclictest121rcu_preempt23:15:283
24916993931,5cyclictest41-21ksoftirqd/321:17:173
24916993926,3cyclictest41-21ksoftirqd/301:27:333
24905993914,4cyclictest33-21ksoftirqd/220:57:232
24905993914,3cyclictest33-21ksoftirqd/222:52:272
24905993913,4cyclictest33-21ksoftirqd/223:21:002
24905993913,4cyclictest33-21ksoftirqd/201:34:502
24905993913,4cyclictest33-21ksoftirqd/201:25:402
2489399393,7cyclictest22404-21ssh00:07:230
24893993913,23cyclictest29518-21/usr/sbin/munin00:47:320
24893993913,23cyclictest25737-21sh01:48:250
106891390,1ptp4l401ktimersoftd/323:55:283
2491699385,3cyclictest121rcu_preempt01:17:223
24916993831,4cyclictest41-21ksoftirqd/300:27:103
24916993831,3cyclictest41-21ksoftirqd/322:12:183
2491699381,9cyclictest41-21ksoftirqd/301:56:323
2490599381,5cyclictest6953-21ps22:32:252
24905993815,3cyclictest33-21ksoftirqd/222:27:322
24905993814,4cyclictest33-21ksoftirqd/222:42:212
24905993813,4cyclictest33-21ksoftirqd/221:42:202
24905993813,4cyclictest33-21ksoftirqd/221:17:212
24905993811,4cyclictest33-21ksoftirqd/223:12:372
24905993811,4cyclictest33-21ksoftirqd/223:12:372
24905993811,4cyclictest33-21ksoftirqd/221:12:252
24905993811,4cyclictest33-21ksoftirqd/201:47:352
2489399382,5cyclictest0-21swapper/023:17:220
24893993813,22cyclictest17864-21diskmemload01:53:240
24893993812,4cyclictest19277-21irqrtprio01:42:310
2489399380,35cyclictest0-21swapper/023:46:310
106891380,1ptp4l401ktimersoftd/323:10:523
106891380,1ptp4l401ktimersoftd/302:24:493
106891380,1ptp4l401ktimersoftd/302:19:133
106891380,1ptp4l401ktimersoftd/301:11:573
106891380,1ptp4l401ktimersoftd/301:04:553
106891380,1ptp4l401ktimersoftd/301:04:553
106891380,1ptp4l401ktimersoftd/300:56:183
106891380,0ptp4l401ktimersoftd/301:59:563
24916993727,3cyclictest41-21ksoftirqd/321:52:343
24916993727,2cyclictest41-21ksoftirqd/323:27:273
24916993725,9cyclictest41-21ksoftirqd/300:02:223
24905993722,4cyclictest33-21ksoftirqd/221:52:192
24905993711,4cyclictest33-21ksoftirqd/222:12:242
2489399378,4cyclictest16475-21expr00:32:380
2489399377,3cyclictest19261-21cut22:57:290
2489399371,6cyclictest10899-21apt-get02:07:250
2489399371,33cyclictest17520-21unixbench_multi02:12:410
24893993711,3cyclictest29787-21if_enp1s0.122:12:250
24893993711,3cyclictest2028-21wc21:12:350
24893993710,3cyclictest9095-21swap23:52:360
24893993710,3cyclictest32077-21latency_hist00:17:100
24893993710,3cyclictest25273-21missed_timers22:02:240
106891370,1ptp4l401ktimersoftd/323:50:223
106891370,1ptp4l401ktimersoftd/323:22:153
106891370,1ptp4l401ktimersoftd/302:14:233
106891370,1ptp4l401ktimersoftd/300:48:263
106891370,1ptp4l401ktimersoftd/300:10:113
2491699366,5cyclictest41-21ksoftirqd/321:51:193
2491699363,8cyclictest121rcu_preempt00:37:273
24916993629,4cyclictest41-21ksoftirqd/321:02:053
24900993630,3cyclictest16264-21gltestperf02:12:281
2489399369,4cyclictest18093-21ls21:47:340
2489399369,3cyclictest7558-21if_enp1s0.100:57:300
2489399369,3cyclictest28840-21latency_hist22:12:070
2489399362,7cyclictest13424-21apt-get22:47:190
2489399361,9cyclictest25756-21apt-get02:22:240
24893993613,20cyclictest10532-21sh01:32:480
24893993611,3cyclictest6190-21fschecks_time02:02:280
24893993611,3cyclictest4299-21tune2fs22:27:230
24893993610,3cyclictest3954-21expr01:27:240
24893993610,3cyclictest21450-21sed00:37:400
106891360,1ptp4l401ktimersoftd/323:19:513
106891360,1ptp4l401ktimersoftd/322:22:003
2491699353,8cyclictest41-21ksoftirqd/321:32:193
24916993529,3cyclictest41-21ksoftirqd/321:42:253
24916993527,4cyclictest41-21ksoftirqd/322:42:073
2490599359,4cyclictest33-21ksoftirqd/221:27:172
24905993510,4cyclictest33-21ksoftirqd/222:07:212
2489399359,3cyclictest11397-21irqrtprio23:22:320
2489399358,3cyclictest8076-21gltestperf21:27:220
2489399358,3cyclictest13431-21wc01:02:390
2489399358,3cyclictest13431-21wc01:02:390
2489399351,7cyclictest64-21kswapd001:17:210
2489399351,4cyclictest29607-21snmp_o5powerctl23:07:330
24893993512,2cyclictest17864-21diskmemload02:17:160
24893993511,3cyclictest17864-21diskmemload00:45:530
24893993511,3cyclictest17864-21diskmemload00:30:020
24893993510,3cyclictest9017-21grep22:37:240
24893993510,3cyclictest32120-21timerwakeupswit21:07:330
24893993510,3cyclictest17864-21diskmemload23:47:510
230022353,18sleep223068-21fschecks_time20:52:202
2491699347,9cyclictest41-21ksoftirqd/321:07:333
24916993428,3cyclictest41-21ksoftirqd/322:47:073
24916993427,4cyclictest41-21ksoftirqd/322:47:183
2489399348,3cyclictest6627-21switchtime00:22:370
2489399348,3cyclictest14088-21seq21:37:480
2489399342,9cyclictest24990-21grep23:02:390
24893993410,4cyclictest15714-21/usr/sbin/munin22:52:380
24893993410,3cyclictest29431-21ptp4l-jitter21:02:270
24893993410,3cyclictest17864-21diskmemload01:22:510
24916993327,3cyclictest41-21ksoftirqd/322:27:233
24916993327,3cyclictest41-21ksoftirqd/321:12:223
24916993326,3cyclictest41-21ksoftirqd/321:02:213
24916993320,5cyclictest41-21ksoftirqd/321:22:173
24916993320,5cyclictest41-21ksoftirqd/321:22:173
2489399338,3cyclictest2503-21cat01:57:390
2489399338,3cyclictest21965-21sendmail00:07:090
2489399338,3cyclictest21516-21acpi01:12:220
2489399332,6cyclictest31615-21apt-get22:17:200
2489399332,6cyclictest25154-21apt-get20:57:160
2489399331,4cyclictest21787-21snmp_o5powerctl23:32:340
24893993312,3cyclictest9-21ksoftirqd/022:26:380
24893993311,3cyclictest2813-21/usr/sbin/munin21:17:250
2489399330,2cyclictest0-21swapper/023:30:550
24900993227,3cyclictest25-21ksoftirqd/101:07:101
24900993227,3cyclictest25-21ksoftirqd/101:07:101
24900993226,4cyclictest25-21ksoftirqd/101:42:121
2489399327,3cyclictest177942chrt01:41:580
2489399320,4cyclictest994-21lldpd23:12:360
2489399320,4cyclictest994-21lldpd23:12:360
24900993125,3cyclictest25-21ksoftirqd/121:07:051
2489399318,4cyclictest6640-21latency_hist00:57:100
2489399312,6cyclictest1771-21unixbench_multi00:17:410
24900993024,3cyclictest25-21ksoftirqd/123:32:081
24900993024,3cyclictest25-21ksoftirqd/122:07:071
24900993010,15cyclictest0-21swapper/100:17:231
2489399301,9cyclictest20318-21ssh01:10:440
24900992916,10cyclictest25-21ksoftirqd/100:12:311
2489399299,3cyclictest17864-21diskmemload23:59:240
24900992823,3cyclictest5997-21cron22:32:071
24900992823,3cyclictest25-21ksoftirqd/122:32:261
24900992823,3cyclictest25-21ksoftirqd/121:02:051
24900992823,3cyclictest25-21ksoftirqd/100:37:301
24900992822,3cyclictest25-21ksoftirqd/123:07:071
24900992822,3cyclictest25-21ksoftirqd/102:27:121
24900992817,7cyclictest25-21ksoftirqd/100:42:231
43042273,3sleep125-21ksoftirqd/100:53:221
24900992722,3cyclictest25-21ksoftirqd/123:12:081
24900992722,3cyclictest25-21ksoftirqd/102:17:311
24900992722,3cyclictest25-21ksoftirqd/101:27:291
24900992722,3cyclictest25-21ksoftirqd/100:22:141
2490099263,14cyclictest17864-21diskmemload23:22:211
24900992621,3cyclictest25-21ksoftirqd/123:32:281
24900992620,3cyclictest25-21ksoftirqd/101:52:351
24900992619,4cyclictest25-21ksoftirqd/121:15:251
24900992520,3cyclictest25-21ksoftirqd/122:37:371
24900992520,3cyclictest25-21ksoftirqd/102:07:251
24900992520,3cyclictest25-21ksoftirqd/101:12:221
24900992520,3cyclictest25-21ksoftirqd/100:30:361
24900992519,3cyclictest25-21ksoftirqd/123:42:241
24900992519,3cyclictest25-21ksoftirqd/121:22:171
24900992519,3cyclictest25-21ksoftirqd/121:22:171
24900992518,4cyclictest25-21ksoftirqd/121:08:261
2490099250,23cyclictest0-21swapper/121:52:171
24893992519,3cyclictest9-21ksoftirqd/021:34:060
24900992419,3cyclictest25-21ksoftirqd/123:52:361
24900992419,3cyclictest25-21ksoftirqd/121:47:061
24900992419,3cyclictest25-21ksoftirqd/100:49:191
24900992418,3cyclictest25-21ksoftirqd/122:12:071
24900992417,4cyclictest10899-21ssh01:01:201
24900992318,3cyclictest25-21ksoftirqd/121:17:231
24900992318,3cyclictest25-21ksoftirqd/101:47:431
24900992318,3cyclictest25-21ksoftirqd/101:32:311
24900992317,3cyclictest25-21ksoftirqd/123:57:191
24900992317,3cyclictest25-21ksoftirqd/122:52:211
24900992317,3cyclictest25-21ksoftirqd/121:37:241
24900992316,4cyclictest9295-21head21:27:341
24900992316,4cyclictest25-21ksoftirqd/121:59:211
24893992317,3cyclictest9-21ksoftirqd/021:24:230
24893992317,3cyclictest9-21ksoftirqd/021:24:230
24900992217,3cyclictest25-21ksoftirqd/100:07:261
24900992215,4cyclictest6943-21mailstats23:17:321
24893992217,3cyclictest9-21ksoftirqd/022:46:130
24900992116,3cyclictest25-21ksoftirqd/122:47:381
24900992115,3cyclictest18958-21perl01:42:291
24900992114,5cyclictest25-21ksoftirqd/102:02:381
24900992114,4cyclictest25-21ksoftirqd/122:14:341
24900992114,4cyclictest1968-21tail22:22:241
24900992114,4cyclictest17864-21diskmemload23:37:491
24900992114,4cyclictest16408-21sh00:32:331
2490099211,3cyclictest5053-21ssh23:48:301
24893992116,3cyclictest9-21ksoftirqd/021:52:370
24900992015,3cyclictest25-21ksoftirqd/101:24:431
24900992014,3cyclictest26349-21acpi01:17:201
24900992014,3cyclictest25-21ksoftirqd/122:45:101
24900992014,3cyclictest25-21ksoftirqd/121:32:181
24900992012,4cyclictest18318-21cpu22:57:221
2490099200,17cyclictest2924-21rm01:57:581
24900991913,4cyclictest31981-21cut22:17:231
24900991913,3cyclictest25-21ksoftirqd/101:10:391
24900991912,4cyclictest18695-21phc2sys-jitter00:02:341
24900991912,4cyclictest18602-21threads21:47:441
24893991813,3cyclictest7697-21wc22:32:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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