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2026-04-23 - 21:57
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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 all highest latencies:
System rackbslot6.osadl.org (updated Thu Apr 23, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911050,3ptp4l401ktimersoftd/308:18:193
106891750,1ptp4l401ktimersoftd/313:25:523
106891690,1ptp4l401ktimersoftd/310:50:463
283812670,2sleep20-21swapper/212:43:232
106891670,1ptp4l401ktimersoftd/311:13:403
255532640,5sleep22563699cyclictest11:02:532
106891590,1ptp4l401ktimersoftd/313:52:383
282232580,5sleep228226-21irqrtprio09:33:252
106891580,1ptp4l401ktimersoftd/312:41:183
25630995725,5cyclictest25-21ksoftirqd/113:53:121
106891570,1ptp4l401ktimersoftd/312:10:233
106891570,1ptp4l401ktimersoftd/312:10:233
106891570,10ptp4l401ktimersoftd/313:03:113
62512550,4sleep125-21ksoftirqd/113:26:171
258882540,2sleep10-21swapper/109:28:261
25630995122,5cyclictest25-21ksoftirqd/112:38:211
25630995121,4cyclictest25-21ksoftirqd/110:28:431
25630995120,11cyclictest25-21ksoftirqd/111:28:311
106891510,2ptp4l13532-21kworker/3:010:34:473
106891500,1ptp4l401ktimersoftd/310:46:533
25630994924,4cyclictest25-21ksoftirqd/113:13:121
25630994924,4cyclictest25-21ksoftirqd/109:18:061
25630994921,5cyclictest25-21ksoftirqd/113:28:281
143291490,4getstats2564299cyclictest12:34:203
87262480,5sleep18731-21cpuspeed_turbos12:23:221
2563099483,9cyclictest5685-21munin-run08:48:051
25630994823,4cyclictest25-21ksoftirqd/113:03:221
25630994819,11cyclictest25-21ksoftirqd/111:08:271
25630994818,5cyclictest25-21ksoftirqd/111:33:351
108212480,2sleep30-21swapper/311:53:093
106891480,1ptp4l401ktimersoftd/312:27:393
287092470,1sleep128711-21cut12:43:261
25630994734,3cyclictest25-21ksoftirqd/112:33:111
25630994734,3cyclictest25-21ksoftirqd/111:58:261
25630994723,4cyclictest25-21ksoftirqd/111:53:371
25630994723,4cyclictest25-21ksoftirqd/108:28:061
25630994722,4cyclictest25-21ksoftirqd/108:58:221
25630994722,4cyclictest25-21ksoftirqd/108:38:211
25630994722,4cyclictest25-21ksoftirqd/108:38:211
25630994721,5cyclictest25-21ksoftirqd/111:06:211
25630994720,4cyclictest25-21ksoftirqd/109:23:281
25630994719,7cyclictest25-21ksoftirqd/110:18:251
25630994719,10cyclictest25-21ksoftirqd/109:53:071
25630994718,7cyclictest25-21ksoftirqd/111:48:311
2562599474,7cyclictest0-21swapper/011:03:200
2562599473,8cyclictest25857-21apt-get12:08:220
2562599473,8cyclictest25857-21apt-get12:08:220
2562599472,6cyclictest0-21swapper/011:58:220
25636994638,4cyclictest33-21ksoftirqd/213:23:212
2563099462,9cyclictest25-21ksoftirqd/112:23:101
25630994621,4cyclictest25-21ksoftirqd/113:18:251
25630994620,4cyclictest25-21ksoftirqd/112:56:081
25630994619,4cyclictest25-21ksoftirqd/108:48:201
25630994619,4cyclictest25-21ksoftirqd/108:33:201
25630994618,5cyclictest25-21ksoftirqd/110:18:071
25630994618,4cyclictest25-21ksoftirqd/109:03:231
25630994614,8cyclictest25-21ksoftirqd/109:53:291
2562599463,6cyclictest0-21swapper/010:33:200
2562599461,5cyclictest0-21swapper/010:38:190
2563099455,7cyclictest25-21ksoftirqd/111:23:091
2563099454,9cyclictest25-21ksoftirqd/113:38:411
25630994521,4cyclictest25-21ksoftirqd/112:08:211
25630994521,4cyclictest25-21ksoftirqd/112:08:211
25630994521,4cyclictest25-21ksoftirqd/109:38:301
25630994520,9cyclictest25-21ksoftirqd/110:28:071
25630994519,8cyclictest25-21ksoftirqd/111:23:281
25630994519,10cyclictest25-21ksoftirqd/112:58:401
25630994518,8cyclictest25-21ksoftirqd/110:43:321
2563099450,5cyclictest25-21ksoftirqd/112:03:281
2563099445,7cyclictest25-21ksoftirqd/109:08:341
25630994438,3cyclictest25-21ksoftirqd/111:38:141
25630994420,4cyclictest25-21ksoftirqd/111:13:291
25630994420,4cyclictest25-21ksoftirqd/110:37:391
25630994420,10cyclictest25-21ksoftirqd/111:43:361
25630994419,4cyclictest25-21ksoftirqd/112:48:271
25630994418,4cyclictest25-21ksoftirqd/112:33:211
25630994417,4cyclictest25-21ksoftirqd/113:13:391
25630994417,4cyclictest25-21ksoftirqd/110:48:351
106891440,1ptp4l401ktimersoftd/312:18:533
25630994319,3cyclictest25-21ksoftirqd/109:33:361
25630994316,7cyclictest25-21ksoftirqd/110:53:271
25630994316,5cyclictest25-21ksoftirqd/110:08:201
2563099425,7cyclictest25-21ksoftirqd/109:43:221
2563099424,9cyclictest25-21ksoftirqd/110:38:341
2563099421,8cyclictest121rcu_preempt12:13:321
25630994218,8cyclictest25-21ksoftirqd/110:03:071
25630994218,4cyclictest25-21ksoftirqd/108:23:201
25630994217,10cyclictest25-21ksoftirqd/113:33:251
2562599422,5cyclictest0-21swapper/012:53:220
25625994212,4cyclictest12305-21sendmail13:33:110
2563099415,3cyclictest25-21ksoftirqd/111:03:081
2563099413,3cyclictest121rcu_preempt08:53:281
25630994112,10cyclictest25-21ksoftirqd/109:18:251
25636994034,3cyclictest33-21ksoftirqd/213:43:232
25630994016,10cyclictest25-21ksoftirqd/110:03:301
25630994014,8cyclictest25-21ksoftirqd/113:45:311
2562599403,8cyclictest21205-21apt-get10:58:220
2562599402,6cyclictest0-21swapper/012:43:220
2562599401,5cyclictest2859-21apt-get12:18:140
25625994014,3cyclictest3428-21sh11:44:070
25625994011,3cyclictest30876-21grep13:18:270
106891400,1ptp4l401ktimersoftd/310:56:233
106891400,1ptp4l401ktimersoftd/309:03:053
2562599396,9cyclictest8266-21sendmail08:53:050
2562599393,8cyclictest11944-21apt-get10:08:180
25625993913,4cyclictest22694-21sed09:23:060
25625993913,3cyclictest15049-21seq09:03:560
25625993913,3cyclictest13194-21latency_hist09:03:060
25625993912,4cyclictest25704-21expr13:13:240
106891390,1ptp4l401ktimersoftd/313:06:113
106891390,1ptp4l401ktimersoftd/312:45:183
106891390,1ptp4l401ktimersoftd/312:17:493
106891390,1ptp4l401ktimersoftd/312:03:593
106891390,1ptp4l401ktimersoftd/310:38:363
2562599389,4cyclictest27943-21cron08:28:050
25625993813,3cyclictest3724-21cat11:13:220
25625993813,3cyclictest23631-21sed09:23:240
25625993811,4cyclictest16030-21tune2fs09:08:210
106891380,1ptp4l401ktimersoftd/313:35:193
106891380,1ptp4l401ktimersoftd/313:29:553
106891380,1ptp4l401ktimersoftd/312:52:473
106891380,1ptp4l401ktimersoftd/311:58:543
106891380,1ptp4l401ktimersoftd/311:21:413
106891380,1ptp4l401ktimersoftd/311:04:003
25636993718,9cyclictest33-21ksoftirqd/209:03:222
2562599379,3cyclictest14206-21sh12:28:290
2562599378,4cyclictest20972-21gltestperf13:08:270
2562599373,9cyclictest7214-21apt-get09:58:200
2562599373,8cyclictest27568-21apt-get09:33:180
2562599372,8cyclictest29935-21apt-get09:38:180
25625993713,3cyclictest18760-21diskmemload12:05:140
25625993713,3cyclictest18760-21diskmemload10:46:390
25625993712,4cyclictest1055-21runrttasks11:24:360
25625993712,3cyclictest18760-21diskmemload11:20:010
25625993711,3cyclictest4503-21sed08:43:250
25625993710,4cyclictest16200-21idleruntime13:03:270
106891370,1ptp4l401ktimersoftd/313:48:083
106891370,1ptp4l401ktimersoftd/313:17:193
106891370,1ptp4l401ktimersoftd/312:53:413
106891370,1ptp4l401ktimersoftd/312:29:013
106891370,1ptp4l401ktimersoftd/311:53:263
106891370,1ptp4l401ktimersoftd/311:44:293
106891370,1ptp4l401ktimersoftd/311:29:343
106891370,1ptp4l401ktimersoftd/311:25:313
106891370,1ptp4l401ktimersoftd/311:08:153
106891370,1ptp4l401ktimersoftd/309:43:033
106891370,0ptp4l401ktimersoftd/311:00:233
25636993629,3cyclictest33-21ksoftirqd/210:23:162
2562599363,6cyclictest18415-21apt-get12:33:220
25625993611,3cyclictest19514-21fschecks_time10:23:200
25625993611,3cyclictest18760-21diskmemload11:57:130
25625993611,3cyclictest17541-21/usr/sbin/munin13:38:400
106891360,1ptp4l401ktimersoftd/313:12:583
106891360,1ptp4l401ktimersoftd/311:33:473
106891360,0ptp4l401ktimersoftd/313:21:043
106891360,0ptp4l401ktimersoftd/310:32:043
25636993529,3cyclictest33-21ksoftirqd/213:53:122
25636993527,5cyclictest33-21ksoftirqd/212:03:202
25625993512,3cyclictest987-21sshd11:28:330
25625993512,3cyclictest27835-21latency_hist12:43:110
2562599351,13cyclictest3388-21hddtemp_smartct13:23:270
25625993511,3cyclictest28670-21fschecks_count11:38:240
25625993511,3cyclictest18760-21diskmemload10:51:070
106891350,0ptp4l401ktimersoftd/308:26:423
25642993428,3cyclictest41-21ksoftirqd/308:53:053
2563699346,5cyclictest33-21ksoftirqd/210:48:232
25636993427,4cyclictest33-21ksoftirqd/209:53:182
25636993422,10cyclictest33-21ksoftirqd/211:53:282
2562599346,4cyclictest0-21swapper/010:03:350
25625993412,3cyclictest2670-21unixbench_multi12:48:390
25625993411,3cyclictest19633-21unixbench-2d09:13:350
25625993410,4cyclictest26254-21awk09:28:280
2563699336,16cyclictest33-21ksoftirqd/213:28:282
25636993328,3cyclictest33-21ksoftirqd/213:08:112
25636993327,3cyclictest33-21ksoftirqd/212:08:292
25636993327,3cyclictest33-21ksoftirqd/212:08:292
25636993327,3cyclictest33-21ksoftirqd/209:13:062
25636993326,4cyclictest33-21ksoftirqd/211:43:202
25636993326,4cyclictest33-21ksoftirqd/210:53:202
25636993326,4cyclictest33-21ksoftirqd/208:38:172
25636993326,4cyclictest33-21ksoftirqd/208:38:172
25636993326,3cyclictest33-21ksoftirqd/212:33:222
25636993311,8cyclictest33-21ksoftirqd/209:53:072
25630993328,3cyclictest25-21ksoftirqd/108:23:041
25625993311,4cyclictest5237-21gltestperf09:53:220
25625993311,3cyclictest18760-21diskmemload10:54:550
25625993310,3cyclictest2898-21apt-key12:18:100
106891330,1ptp4l401ktimersoftd/311:42:363
106891330,1ptp4l401ktimersoftd/309:28:293
25642993227,3cyclictest41-21ksoftirqd/308:33:043
25636993226,4cyclictest33-21ksoftirqd/211:33:212
25636993226,3cyclictest33-21ksoftirqd/213:33:222
25636993226,3cyclictest33-21ksoftirqd/212:13:252
25636993226,3cyclictest33-21ksoftirqd/211:58:282
25636993226,3cyclictest33-21ksoftirqd/209:33:062
25636993225,3cyclictest33-21ksoftirqd/211:08:272
25636993224,4cyclictest33-21ksoftirqd/208:23:042
25625993211,3cyclictest18760-21diskmemload13:44:430
106891320,1ptp4l401ktimersoftd/309:48:273
106891320,1ptp4l401ktimersoftd/309:33:303
106891320,1ptp4l401ktimersoftd/309:13:443
25642993125,3cyclictest41-21ksoftirqd/310:08:063
25636993126,3cyclictest33-21ksoftirqd/210:13:192
25636993125,3cyclictest33-21ksoftirqd/212:28:262
25636993125,3cyclictest33-21ksoftirqd/210:38:202
25636993125,3cyclictest33-21ksoftirqd/209:13:172
25636993124,4cyclictest33-21ksoftirqd/212:23:202
25636993124,3cyclictest33-21ksoftirqd/210:33:072
106891310,1ptp4l401ktimersoftd/310:08:263
106891310,0ptp4l401ktimersoftd/310:18:013
25642993025,3cyclictest41-21ksoftirqd/309:53:253
25642993024,3cyclictest41-21ksoftirqd/310:23:233
2563699303,16cyclictest121rcu_preempt12:53:272
25636993024,3cyclictest33-21ksoftirqd/211:18:372
25636993024,3cyclictest33-21ksoftirqd/211:13:222
25636993024,3cyclictest33-21ksoftirqd/210:33:292
25636993024,3cyclictest33-21ksoftirqd/208:58:142
25636993024,3cyclictest33-21ksoftirqd/208:28:042
25636993010,8cyclictest33-21ksoftirqd/212:18:262
2563699300,6cyclictest121rcu_preempt10:08:072
25625993014,2cyclictest0-21swapper/011:49:230
2563699294,15cyclictest121rcu_preempt09:43:332
25636992923,4cyclictest33-21ksoftirqd/208:28:222
25636992923,3cyclictest33-21ksoftirqd/213:23:112
25636992923,3cyclictest33-21ksoftirqd/210:08:242
25636992919,8cyclictest33-21ksoftirqd/208:52:242
2562599290,16cyclictest0-21swapper/011:33:500
239682295,10sleep00-21swapper/008:18:220
25642992823,3cyclictest41-21ksoftirqd/313:38:313
2563699286,12cyclictest33-21ksoftirqd/213:38:282
25636992823,3cyclictest33-21ksoftirqd/212:58:312
25636992823,3cyclictest33-21ksoftirqd/211:38:312
25636992823,3cyclictest33-21ksoftirqd/211:26:022
25636992823,3cyclictest33-21ksoftirqd/210:48:082
25636992823,3cyclictest33-21ksoftirqd/209:23:062
25636992822,3cyclictest33-21ksoftirqd/212:48:262
25636992822,3cyclictest33-21ksoftirqd/211:53:092
25636992822,3cyclictest33-21ksoftirqd/211:03:252
25636992822,3cyclictest33-21ksoftirqd/210:23:072
25636992821,4cyclictest33-21ksoftirqd/209:23:182
2563699281,3cyclictest121rcu_preempt08:53:182
106891280,1ptp4l401ktimersoftd/309:58:263
106891280,1ptp4l401ktimersoftd/309:10:473
25636992722,3cyclictest33-21ksoftirqd/208:33:232
25636992721,3cyclictest33-21ksoftirqd/213:13:242
106891270,9ptp4l401ktimersoftd/308:42:183
106891270,9ptp4l401ktimersoftd/308:42:183
25642992620,3cyclictest41-21ksoftirqd/310:21:283
25636992621,3cyclictest33-21ksoftirqd/212:38:302
25636992621,3cyclictest33-21ksoftirqd/211:30:452
25636992621,3cyclictest33-21ksoftirqd/208:48:052
25636992620,3cyclictest33-21ksoftirqd/213:08:292
25636992620,3cyclictest33-21ksoftirqd/209:38:332
25625992620,3cyclictest9-21ksoftirqd/009:46:290
106891260,0ptp4l401ktimersoftd/309:05:423
25642992520,3cyclictest41-21ksoftirqd/308:53:243
25642992520,2cyclictest41-21ksoftirqd/308:34:413
25642992519,3cyclictest41-21ksoftirqd/309:47:323
25636992519,3cyclictest33-21ksoftirqd/210:02:502
25625992519,3cyclictest9-21ksoftirqd/010:31:080
25625992519,3cyclictest233-21systemd-journal08:27:590
106891250,1ptp4l401ktimersoftd/309:18:193
106891250,1ptp4l401ktimersoftd/308:45:373
25625992418,3cyclictest9-21ksoftirqd/008:37:180
25625992418,3cyclictest10385-21head12:23:390
106891240,1ptp4l401ktimersoftd/309:23:183
2562599223,17cyclictest9043-21tail08:53:210
25625992114,4cyclictest17210-21cron13:38:110
25625992015,3cyclictest9-21ksoftirqd/009:48:160
25625992014,3cyclictest9-21ksoftirqd/010:21:400
25625992014,3cyclictest9-21ksoftirqd/010:13:170
25625992013,4cyclictest18760-21diskmemload13:00:270
2562599201,16cyclictest0-21swapper/011:10:050
25625991914,3cyclictest1173-21/usr/sbin/munin08:38:260
25625991914,3cyclictest1173-21/usr/sbin/munin08:38:260
2562599190,17cyclictest0-21swapper/013:52:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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