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2026-06-09 - 16:39
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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 Tue Jun 09, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2430821830,5sleep353099cyclictest11:19:223
1767121660,4sleep251999cyclictest11:44:382
1336721570,5sleep151099cyclictest11:08:241
2213121470,2sleep30-21swapper/314:03:073
818921460,4sleep151099cyclictest13:49:111
106891980,4ptp4l401ktimersoftd/308:47:103
51999641,37cyclictest30665-21latency_hist11:59:092
51999640,33cyclictest31538-21cat10:54:072
46882640,4sleep233-21ksoftirqd/211:32:022
253812640,3sleep00-21swapper/011:19:310
51999634,26cyclictest14951-21taskset12:14:412
519996314,23cyclictest9927-21/usr/sbin/munin10:14:232
208612630,1sleep10-21swapper/114:00:561
530996249,7cyclictest41-21ksoftirqd/313:29:223
51999611,23cyclictest1815-21sed08:49:242
51999610,22cyclictest30201-21modprobe13:04:282
530996047,6cyclictest41-21ksoftirqd/312:14:243
51999601,30cyclictest19301-21/usr/sbin/munin12:19:312
51999600,29cyclictest21168-21cat13:29:112
51999591,22cyclictest11209-21/usr/sbin/munin11:39:232
51999590,25cyclictest8747-21mailstats10:09:292
51999590,24cyclictest26069-21awk10:44:352
51999590,23cyclictest13845-21/usr/sbin/munin13:54:282
51999590,22cyclictest24686-21acpi12:59:222
51999590,21cyclictest1307-21missed_timers09:54:272
181992590,3sleep10-21swapper/112:19:221
106891590,2ptp4l14027-21kworker/3:113:14:203
51999582,25cyclictest26514-21diskmemload11:36:382
51999580,24cyclictest19941-21sed13:59:422
505995814,7cyclictest9-21ksoftirqd/011:34:250
3712584,42sleep00-21swapper/008:48:530
510995716,7cyclictest25-21ksoftirqd/111:16:331
510995716,7cyclictest25-21ksoftirqd/111:16:331
106891570,1ptp4l401ktimersoftd/313:13:153
530995645,5cyclictest41-21ksoftirqd/309:44:183
51999561,25cyclictest22207-21snmp_o5powerctl09:29:332
51999561,25cyclictest22207-21snmp_o5powerctl09:29:332
106891550,1ptp4l401ktimersoftd/310:51:443
86902540,2sleep38670-21ssh12:09:243
505995426,4cyclictest9-21ksoftirqd/014:04:350
505995424,7cyclictest9-21ksoftirqd/009:09:040
51999531,34cyclictest30934-21cat09:49:212
530995140,5cyclictest41-21ksoftirqd/313:49:243
510995130,7cyclictest25-21ksoftirqd/112:14:351
505995126,3cyclictest9-21ksoftirqd/012:49:100
505995125,4cyclictest9-21ksoftirqd/012:19:310
530995041,4cyclictest41-21ksoftirqd/309:54:203
505995024,8cyclictest9-21ksoftirqd/013:44:110
505995024,4cyclictest9-21ksoftirqd/013:54:250
505995022,4cyclictest9-21ksoftirqd/014:14:120
505995015,14cyclictest9-21ksoftirqd/011:09:250
510994926,3cyclictest25-21ksoftirqd/113:16:221
510994926,3cyclictest25-21ksoftirqd/112:32:281
510994914,6cyclictest25-21ksoftirqd/112:49:351
505994923,4cyclictest9-21ksoftirqd/013:04:100
505994923,4cyclictest9-21ksoftirqd/011:54:240
505994922,4cyclictest9-21ksoftirqd/012:24:290
51999480,26cyclictest22053-21ssh12:55:182
51999480,26cyclictest22053-21ssh12:55:182
510994819,9cyclictest25-21ksoftirqd/110:34:201
505994823,4cyclictest9-21ksoftirqd/013:34:270
505994815,8cyclictest9-21ksoftirqd/011:49:230
530994720,7cyclictest41-21ksoftirqd/313:04:103
510994718,7cyclictest25-21ksoftirqd/111:34:271
510994710,9cyclictest25-21ksoftirqd/110:14:251
510994710,10cyclictest25-21ksoftirqd/109:09:171
505994723,8cyclictest9-21ksoftirqd/009:44:050
505994722,4cyclictest9-21ksoftirqd/013:54:120
505994722,4cyclictest9-21ksoftirqd/011:14:270
505994722,4cyclictest9-21ksoftirqd/011:14:270
505994722,3cyclictest9-21ksoftirqd/014:14:260
505994722,3cyclictest9-21ksoftirqd/012:39:100
505994722,3cyclictest9-21ksoftirqd/011:24:220
505994721,8cyclictest9-21ksoftirqd/012:14:400
505994721,5cyclictest9-21ksoftirqd/010:54:230
505994721,4cyclictest9-21ksoftirqd/013:31:520
505994721,4cyclictest9-21ksoftirqd/013:19:110
505994721,4cyclictest9-21ksoftirqd/012:09:280
505994720,7cyclictest9-21ksoftirqd/011:04:320
505994719,7cyclictest9-21ksoftirqd/013:49:120
505994718,7cyclictest9-21ksoftirqd/010:54:070
505994717,7cyclictest9-21ksoftirqd/013:59:420
255192470,2sleep10-21swapper/113:33:261
530994614,4cyclictest41-21ksoftirqd/311:59:313
51999461,26cyclictest32467-21ssh12:34:092
51999461,23cyclictest7351-21ssh11:01:322
510994629,3cyclictest25-21ksoftirqd/112:24:291
510994620,9cyclictest25-21ksoftirqd/110:54:301
510994620,8cyclictest25-21ksoftirqd/111:49:311
510994616,4cyclictest25-21ksoftirqd/110:44:291
505994623,3cyclictest9-21ksoftirqd/010:14:070
505994622,7cyclictest9-21ksoftirqd/010:29:220
505994622,3cyclictest9-21ksoftirqd/010:34:360
505994621,4cyclictest9-21ksoftirqd/011:59:380
505994621,4cyclictest9-21ksoftirqd/010:04:230
505994621,3cyclictest9-21ksoftirqd/008:54:050
505994620,7cyclictest9-21ksoftirqd/009:09:240
505994619,7cyclictest9-21ksoftirqd/011:29:210
505994619,4cyclictest9-21ksoftirqd/012:29:300
505994619,4cyclictest9-21ksoftirqd/010:59:260
530994535,5cyclictest41-21ksoftirqd/310:14:173
530994533,6cyclictest41-21ksoftirqd/311:54:203
51999450,26cyclictest32465-21ssh14:14:102
51099458,9cyclictest25-21ksoftirqd/112:09:291
510994522,3cyclictest25-21ksoftirqd/113:52:181
505994522,3cyclictest9-21ksoftirqd/012:39:280
505994521,3cyclictest9-21ksoftirqd/010:39:190
505994520,4cyclictest9-21ksoftirqd/008:49:250
505994520,3cyclictest9-21ksoftirqd/011:39:310
505994519,4cyclictest9-21ksoftirqd/009:29:200
505994519,4cyclictest9-21ksoftirqd/009:29:200
530994420,4cyclictest41-21ksoftirqd/314:09:233
530994419,4cyclictest41-21ksoftirqd/309:24:053
530994418,15cyclictest41-21ksoftirqd/310:04:283
51999440,23cyclictest263822sleep212:27:142
51999440,22cyclictest24795-21unixbench-2d09:34:362
51099448,9cyclictest25-21ksoftirqd/112:46:181
51099444,7cyclictest25-21ksoftirqd/113:39:311
51099444,7cyclictest25-21ksoftirqd/112:39:091
510994432,3cyclictest25-21ksoftirqd/109:24:051
51099441,3cyclictest121rcu_preempt09:09:041
51099441,2cyclictest121rcu_preempt11:54:271
505994419,7cyclictest9-21ksoftirqd/009:44:220
505994419,6cyclictest9-21ksoftirqd/012:04:250
505994419,4cyclictest9-21ksoftirqd/012:54:400
505994419,4cyclictest9-21ksoftirqd/012:54:400
505994419,4cyclictest9-21ksoftirqd/010:24:200
505994419,3cyclictest9-21ksoftirqd/008:59:230
505994419,11cyclictest9-21ksoftirqd/013:24:330
505994418,6cyclictest9-21ksoftirqd/011:44:220
505994418,4cyclictest9-21ksoftirqd/013:04:230
505994417,6cyclictest9-21ksoftirqd/010:04:060
505994412,8cyclictest9-21ksoftirqd/009:19:240
106891440,14ptp4l6831-21kworker/3:211:26:593
53099435,5cyclictest41-21ksoftirqd/308:54:223
530994324,5cyclictest41-21ksoftirqd/311:09:193
530994314,8cyclictest41-21ksoftirqd/311:49:093
530994313,5cyclictest41-21ksoftirqd/312:39:233
51099436,8cyclictest25-21ksoftirqd/113:54:411
510994327,3cyclictest25-21ksoftirqd/112:39:271
510994324,6cyclictest25-21ksoftirqd/113:12:321
505994331,3cyclictest9-21ksoftirqd/010:19:360
505994329,3cyclictest9-21ksoftirqd/009:34:280
505994319,4cyclictest9-21ksoftirqd/010:44:250
505994319,3cyclictest9-21ksoftirqd/009:14:210
505994318,4cyclictest9-21ksoftirqd/010:09:220
505994315,7cyclictest9-21ksoftirqd/012:49:220
530994227,3cyclictest41-21ksoftirqd/309:29:053
530994227,3cyclictest41-21ksoftirqd/309:29:053
530994224,4cyclictest41-21ksoftirqd/313:04:283
510994228,3cyclictest25-21ksoftirqd/111:32:381
510994224,3cyclictest25-21ksoftirqd/109:54:281
505994218,4cyclictest9-21ksoftirqd/009:54:230
505994218,4cyclictest9-21ksoftirqd/009:49:260
505994216,4cyclictest9-21ksoftirqd/013:19:270
53099417,3cyclictest41-21ksoftirqd/312:35:293
530994123,4cyclictest41-21ksoftirqd/310:34:283
530994116,4cyclictest41-21ksoftirqd/311:04:213
51999413,24cyclictest16504-21if_ens309:19:232
51999411,20cyclictest0-21swapper/214:04:342
51999410,21cyclictest0-21swapper/211:05:062
51099415,3cyclictest121rcu_preempt12:04:351
51099413,4cyclictest121rcu_preempt14:14:291
510994125,4cyclictest25-21ksoftirqd/113:04:391
51099412,3cyclictest121rcu_preempt11:19:221
510994123,3cyclictest25-21ksoftirqd/111:45:051
51099410,10cyclictest26935-21apt-get10:49:191
505994128,3cyclictest9-21ksoftirqd/009:24:210
505994128,3cyclictest9-21ksoftirqd/009:24:210
505994117,8cyclictest9-21ksoftirqd/013:09:390
106891410,1ptp4l401ktimersoftd/311:14:253
106891410,1ptp4l401ktimersoftd/311:14:253
530994019,4cyclictest41-21ksoftirqd/313:39:413
530994015,4cyclictest41-21ksoftirqd/314:14:433
530994011,5cyclictest41-21ksoftirqd/308:59:173
51999401,23cyclictest5002-21sshd12:04:372
51999401,22cyclictest24618-21if_enp1s0.111:19:262
51999401,21cyclictest14082-21ssh11:09:152
51099407,8cyclictest25-21ksoftirqd/109:34:051
51099407,8cyclictest25-21ksoftirqd/109:34:051
51099403,8cyclictest25-21ksoftirqd/111:09:231
51099403,3cyclictest121rcu_preempt14:04:331
510994027,6cyclictest25-21ksoftirqd/109:59:291
510994026,4cyclictest25-21ksoftirqd/110:19:251
51099402,5cyclictest0-21swapper/108:54:071
510994024,3cyclictest25-21ksoftirqd/113:00:111
510994018,9cyclictest25-21ksoftirqd/109:14:211
51099401,3cyclictest121rcu_preempt11:24:381
51099401,2cyclictest121rcu_preempt13:19:361
51099401,2cyclictest121rcu_preempt12:54:301
51099401,2cyclictest121rcu_preempt12:54:301
51099400,9cyclictest25-21ksoftirqd/113:36:531
106891400,1ptp4l401ktimersoftd/314:04:143
106891400,1ptp4l401ktimersoftd/311:31:533
53099398,8cyclictest41-21ksoftirqd/313:34:423
53099396,3cyclictest41-21ksoftirqd/312:44:303
530993933,3cyclictest41-21ksoftirqd/313:29:113
51999391,24cyclictest3083-21munin-node08:54:092
51999391,20cyclictest22539-21snmp_o5powerctl11:49:352
51099398,6cyclictest121rcu_preempt11:59:271
51099397,3cyclictest121rcu_preempt08:49:191
51099396,3cyclictest25-21ksoftirqd/109:39:241
51099394,7cyclictest25-21ksoftirqd/111:44:081
51099394,2cyclictest121rcu_preempt10:24:361
51099392,3cyclictest121rcu_preempt10:59:281
51099391,3cyclictest121rcu_preempt14:09:371
51099390,6cyclictest121rcu_preempt09:24:351
51099390,6cyclictest121rcu_preempt09:24:351
106891390,1ptp4l401ktimersoftd/313:44:183
106891390,1ptp4l401ktimersoftd/312:31:543
530993814,4cyclictest41-21ksoftirqd/312:49:383
530993812,4cyclictest41-21ksoftirqd/313:54:273
51999382,29cyclictest28957-21apt-get11:24:202
51999381,22cyclictest23604-21sh11:19:072
51999381,22cyclictest23604-21sh11:19:072
51999380,23cyclictest5997-21ssh13:45:292
51999380,20cyclictest26514-21diskmemload13:20:542
51099386,7cyclictest25-21ksoftirqd/108:59:301
51099383,3cyclictest121rcu_preempt10:29:231
51099381,8cyclictest121rcu_preempt10:39:281
51099380,3cyclictest121rcu_preempt10:09:341
51099380,2cyclictest121rcu_preempt13:24:311
53099377,7cyclictest41-21ksoftirqd/311:49:293
530993727,3cyclictest41-21ksoftirqd/311:39:233
530993715,7cyclictest41-21ksoftirqd/309:14:333
519993718,16cyclictest4059-21cat10:59:072
51999370,21cyclictest10658-21chrt12:10:402
51999370,21cyclictest0-21swapper/213:34:352
510993729,5cyclictest25-21ksoftirqd/109:49:151
51099372,2cyclictest121rcu_preempt10:04:271
51099372,2cyclictest121rcu_preempt09:44:221
106891370,1ptp4l401ktimersoftd/312:22:523
106891370,1ptp4l401ktimersoftd/312:08:263
106891370,1ptp4l401ktimersoftd/310:57:123
530993632,2cyclictest46850irq/99-ens3-TxR13:19:163
530993631,3cyclictest41-21ksoftirqd/310:14:073
530993611,8cyclictest41-21ksoftirqd/310:44:353
530993610,7cyclictest41-21ksoftirqd/311:34:223
51999363,29cyclictest7284-21tune2fs13:14:252
51999361,22cyclictest15597-21latency_hist09:19:052
51999360,31cyclictest0-21swapper/208:49:052
51999360,21cyclictest2702-21if_err_enp1s013:09:282
51099364,3cyclictest121rcu_preempt08:49:051
51099362,7cyclictest25-21ksoftirqd/109:34:201
106891360,1ptp4l401ktimersoftd/312:54:493
106891360,1ptp4l401ktimersoftd/312:54:493
106891360,1ptp4l401ktimersoftd/310:59:183
106891360,0ptp4l401ktimersoftd/310:34:023
53099353,2cyclictest121rcu_preempt09:39:213
530993525,3cyclictest41-21ksoftirqd/309:14:043
53099351,3cyclictest121rcu_preempt10:19:113
530993510,7cyclictest41-21ksoftirqd/312:24:253
51999351,27cyclictest14958-21apt-get12:49:212
106891350,0ptp4l401ktimersoftd/309:49:173
530993425,5cyclictest41-21ksoftirqd/310:39:183
530993413,7cyclictest41-21ksoftirqd/308:49:193
51999343,24cyclictest22084-21apt-get10:39:172
51999342,26cyclictest30943-21apt-get11:59:222
51999342,25cyclictest0-21swapper/213:39:232
519993414,17cyclictest7184-21grep10:09:062
51999341,29cyclictest18285-21apt-get09:24:172
51999341,29cyclictest18285-21apt-get09:24:172
51999340,20cyclictest27747-21latency_hist09:44:062
53099339,4cyclictest41-21ksoftirqd/310:04:063
53099337,8cyclictest41-21ksoftirqd/309:29:193
53099337,8cyclictest41-21ksoftirqd/309:29:193
53099334,10cyclictest41-21ksoftirqd/309:04:213
53099331,2cyclictest121rcu_preempt09:34:173
530993310,8cyclictest41-21ksoftirqd/310:24:233
51999334,25cyclictest5150-21/usr/sbin/munin12:39:312
51999332,23cyclictest689-21apt-get14:14:252
519993314,16cyclictest14663-21latency_hist10:24:072
51999323,22cyclictest8569-21apt-get13:49:242
51999322,24cyclictest21511-21apt-get13:29:222
519993213,15cyclictest2456-21sh12:35:052
519993211,17cyclictest8688-21cpuspeed_turbos09:04:162
51999320,29cyclictest0-21swapper/208:59:332
51999311,26cyclictest44652sleep210:00:322
51999303,20cyclictest27984-21apt-get09:44:182
51999301,26cyclictest11819-21ps09:09:232
51999300,26cyclictest20586-21grep10:34:262
51999299,17cyclictest15363-21grep10:24:232
51999291,24cyclictest10103-21apt-get12:44:212
51999281,24cyclictest18657-21cut10:29:302
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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