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2026-05-04 - 04:36
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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 376 highest latencies:
System rackbslot6.osadl.org (updated Mon May 04, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2188021550,5sleep33062399cyclictest01:43:143
448121500,5sleep03060299cyclictest01:24:240
3044121290,3sleep23061799cyclictest01:19:122
106891960,4ptp4l401ktimersoftd/320:27:173
72692720,2sleep20-21swapper/223:17:232
72692720,2sleep20-21swapper/223:17:232
304772624,10sleep00-21swapper/020:28:400
112172620,1sleep10-21swapper/101:31:521
30623996128,3cyclictest41-21ksoftirqd/320:29:033
243572600,2sleep00-21swapper/000:07:000
30623995948,6cyclictest41-21ksoftirqd/321:09:063
30623995926,4cyclictest41-21ksoftirqd/322:58:563
275812590,2sleep10-21swapper/121:28:541
30623995848,5cyclictest41-21ksoftirqd/301:24:133
34512560,2sleep20-21swapper/222:39:252
106891560,1ptp4l401ktimersoftd/323:12:283
106891550,1ptp4l401ktimersoftd/323:04:153
319262530,2sleep30-21swapper/300:14:173
30623995344,5cyclictest41-21ksoftirqd/322:24:103
106891530,1ptp4l401ktimersoftd/323:38:293
171002500,2sleep10-21swapper/123:59:181
30623994932,3cyclictest41-21ksoftirqd/323:19:133
3062399487,9cyclictest41-21ksoftirqd/323:18:573
3062399487,9cyclictest41-21ksoftirqd/323:18:573
30623994816,8cyclictest41-21ksoftirqd/300:49:163
30623994726,7cyclictest41-21ksoftirqd/322:44:083
30623994629,5cyclictest41-21ksoftirqd/300:39:203
30623994623,4cyclictest41-21ksoftirqd/323:56:123
30623994622,4cyclictest41-21ksoftirqd/322:53:013
30623994620,4cyclictest41-21ksoftirqd/322:04:253
30623994617,4cyclictest41-21ksoftirqd/300:10:503
3062399454,6cyclictest121rcu_preempt01:19:293
30623994539,3cyclictest41-21ksoftirqd/323:44:023
30623994534,3cyclictest41-21ksoftirqd/300:04:123
30623994524,6cyclictest41-21ksoftirqd/301:14:293
30623994523,4cyclictest41-21ksoftirqd/320:44:223
30623994523,3cyclictest41-21ksoftirqd/321:04:133
30623994522,4cyclictest41-21ksoftirqd/320:34:143
30623994521,4cyclictest41-21ksoftirqd/301:06:363
30623994521,4cyclictest41-21ksoftirqd/301:06:363
30623994520,8cyclictest41-21ksoftirqd/301:29:183
30623994518,4cyclictest41-21ksoftirqd/321:29:243
30623994517,9cyclictest41-21ksoftirqd/300:45:103
30623994517,7cyclictest41-21ksoftirqd/321:34:243
30623994517,7cyclictest41-21ksoftirqd/321:34:243
68912440,2sleep00-21swapper/023:16:450
68912440,2sleep00-21swapper/023:16:450
3062399446,3cyclictest41-21ksoftirqd/321:19:253
30623994421,4cyclictest41-21ksoftirqd/320:59:153
30623994421,4cyclictest41-21ksoftirqd/301:02:043
30623994414,8cyclictest41-21ksoftirqd/322:38:133
3062399437,3cyclictest41-21ksoftirqd/322:19:153
30623994320,4cyclictest41-21ksoftirqd/301:53:023
30623994318,4cyclictest41-21ksoftirqd/301:36:383
30623994316,10cyclictest41-21ksoftirqd/323:29:103
3062399430,3cyclictest41-21ksoftirqd/301:09:163
3062399422,8cyclictest41-21ksoftirqd/320:53:543
30623994222,9cyclictest41-21ksoftirqd/322:59:123
30623994221,7cyclictest41-21ksoftirqd/320:54:113
30623994219,5cyclictest41-21ksoftirqd/321:39:083
30623994219,5cyclictest41-21ksoftirqd/321:39:083
30623994215,5cyclictest41-21ksoftirqd/323:49:263
30623994214,10cyclictest41-21ksoftirqd/300:54:163
30623994213,8cyclictest41-21ksoftirqd/300:28:593
30623994213,4cyclictest41-21ksoftirqd/323:27:583
30623994213,4cyclictest41-21ksoftirqd/323:27:583
3062399416,3cyclictest41-21ksoftirqd/321:44:103
30623994136,3cyclictest41-21ksoftirqd/323:43:583
30623994126,12cyclictest41-21ksoftirqd/322:39:163
30623994119,3cyclictest41-21ksoftirqd/321:49:263
30623994118,4cyclictest41-21ksoftirqd/322:14:243
3061799414,7cyclictest0-21swapper/201:29:132
284492413,23sleep128493-21/usr/sbin/munin20:24:051
3062399405,3cyclictest41-21ksoftirqd/321:28:543
3062399404,7cyclictest41-21ksoftirqd/300:31:573
3062399404,3cyclictest121rcu_preempt21:18:543
30623994027,3cyclictest41-21ksoftirqd/322:09:143
30623994027,10cyclictest41-21ksoftirqd/323:59:123
30623994019,7cyclictest41-21ksoftirqd/322:29:273
30623994013,4cyclictest41-21ksoftirqd/301:59:013
290382400,2sleep20-21swapper/201:49:242
3062399395,3cyclictest41-21ksoftirqd/301:45:493
3062399393,3cyclictest41-21ksoftirqd/300:19:273
30623993912,4cyclictest41-21ksoftirqd/321:59:153
106891380,1ptp4l401ktimersoftd/300:35:183
3062399366,6cyclictest41-21ksoftirqd/320:39:153
3062399362,8cyclictest9165-21chrt21:57:433
30606993529,3cyclictest25-21ksoftirqd/122:38:561
198322340,3sleep1231rcuc/122:19:131
30606993125,4cyclictest25-21ksoftirqd/100:24:031
30602993126,3cyclictest9-21ksoftirqd/021:38:540
30602993126,3cyclictest9-21ksoftirqd/021:38:540
30602993025,3cyclictest9-21ksoftirqd/001:34:000
30602993025,3cyclictest9-21ksoftirqd/000:58:590
30602993025,3cyclictest9-21ksoftirqd/000:28:590
26952300,2sleep00-21swapper/001:24:000
279482295,10sleep20-21swapper/220:23:542
30617992823,3cyclictest33-21ksoftirqd/200:46:212
30602992822,4cyclictest9-21ksoftirqd/023:19:100
30602992822,3cyclictest9-21ksoftirqd/022:49:100
30602992821,3cyclictest9-21ksoftirqd/022:59:100
30606992722,3cyclictest25-21ksoftirqd/122:59:101
30606992711,4cyclictest25-21ksoftirqd/101:09:281
30602992722,3cyclictest9-21ksoftirqd/000:43:490
30602992721,3cyclictest9-21ksoftirqd/023:26:290
30602992721,3cyclictest9-21ksoftirqd/023:26:290
30602992721,3cyclictest9-21ksoftirqd/001:39:190
30602992721,3cyclictest9-21ksoftirqd/001:09:240
30602992720,4cyclictest3111-21ls00:18:590
30617992620,3cyclictest33-21ksoftirqd/222:58:192
30617992620,3cyclictest33-21ksoftirqd/221:31:462
30617992619,4cyclictest33-21ksoftirqd/221:06:352
30617992619,4cyclictest33-21ksoftirqd/200:55:442
30606992621,3cyclictest25-21ksoftirqd/100:04:101
30606992619,4cyclictest25-21ksoftirqd/122:08:491
30606992619,4cyclictest25-21ksoftirqd/120:31:211
30602992621,3cyclictest9-21ksoftirqd/022:43:570
30602992621,3cyclictest9-21ksoftirqd/021:54:120
30602992619,4cyclictest9-21ksoftirqd/022:22:170
3060299261,3cyclictest121rcu_preempt01:06:520
3060299261,3cyclictest121rcu_preempt01:06:520
2290322619,3sleep233-21ksoftirqd/222:59:262
22502260,2sleep10-21swapper/101:54:341
168232260,2sleep00-21swapper/023:59:180
3061799254,12cyclictest8726-21ssh00:24:112
30617992520,3cyclictest33-21ksoftirqd/220:41:032
30617992519,3cyclictest33-21ksoftirqd/221:55:122
30617992519,3cyclictest33-21ksoftirqd/221:03:062
30617992519,3cyclictest33-21ksoftirqd/201:41:412
30617992518,4cyclictest33-21ksoftirqd/221:40:042
30617992518,4cyclictest33-21ksoftirqd/221:40:042
30606992520,3cyclictest25-21ksoftirqd/123:29:151
30606992520,3cyclictest25-21ksoftirqd/123:18:571
30606992520,3cyclictest25-21ksoftirqd/123:18:571
30606992520,3cyclictest25-21ksoftirqd/101:39:191
30606992519,3cyclictest25-21ksoftirqd/122:12:501
30606992519,3cyclictest25-21ksoftirqd/121:32:391
30606992519,3cyclictest25-21ksoftirqd/101:54:011
30606992518,4cyclictest25-21ksoftirqd/122:15:111
30606992518,4cyclictest25-21ksoftirqd/121:35:051
30606992518,4cyclictest25-21ksoftirqd/121:35:051
30606992518,4cyclictest25-21ksoftirqd/100:18:591
30606992517,5cyclictest747-21irqrtprio21:39:131
30606992517,5cyclictest747-21irqrtprio21:39:131
30602992520,3cyclictest9-21ksoftirqd/023:43:570
30602992520,3cyclictest9-21ksoftirqd/023:09:120
30602992520,3cyclictest9-21ksoftirqd/022:14:230
30602992519,3cyclictest9-21ksoftirqd/020:47:520
30602992519,3cyclictest9-21ksoftirqd/020:33:540
30602992518,4cyclictest9-21ksoftirqd/000:21:250
210912250,2sleep00-21swapper/023:30:220
30617992418,3cyclictest33-21ksoftirqd/222:08:252
30617992418,3cyclictest33-21ksoftirqd/221:45:312
30617992417,4cyclictest33-21ksoftirqd/220:57:562
30617992417,4cyclictest33-21ksoftirqd/220:46:442
30606992419,3cyclictest25-21ksoftirqd/121:19:131
30606992419,3cyclictest25-21ksoftirqd/101:36:411
30606992419,3cyclictest25-21ksoftirqd/101:14:341
30606992419,3cyclictest25-21ksoftirqd/100:09:221
30606992418,4cyclictest25-21ksoftirqd/121:45:001
30606992417,4cyclictest25-21ksoftirqd/123:26:101
30606992417,4cyclictest25-21ksoftirqd/123:26:101
30606992417,4cyclictest25-21ksoftirqd/121:00:281
30602992419,3cyclictest9-21ksoftirqd/023:38:570
30602992419,3cyclictest9-21ksoftirqd/021:14:070
30602992419,3cyclictest9-21ksoftirqd/001:44:150
30602992418,3cyclictest9-21ksoftirqd/023:49:150
30602992418,3cyclictest9-21ksoftirqd/022:10:370
30602992418,3cyclictest9-21ksoftirqd/020:50:030
30602992417,4cyclictest9-21ksoftirqd/021:42:340
30602992417,4cyclictest9-21ksoftirqd/021:42:340
30602992417,4cyclictest6448-21sed21:49:240
3060299241,3cyclictest10941-21snmp_o5powerctl21:59:210
3060299240,21cyclictest0-21swapper/020:59:120
280262240,2sleep00-21swapper/021:29:100
30617992318,3cyclictest33-21ksoftirqd/200:10:402
30617992317,3cyclictest33-21ksoftirqd/201:05:232
30617992317,3cyclictest33-21ksoftirqd/201:05:232
30617992316,4cyclictest33-21ksoftirqd/222:16:412
30617992316,4cyclictest33-21ksoftirqd/220:33:482
3061799231,19cyclictest27705-21snmp_o5powerctl23:04:212
3061799231,19cyclictest14279-21hddtemp_smartct23:24:142
3061799231,19cyclictest14279-21hddtemp_smartct23:24:142
3061799231,19cyclictest0-21swapper/222:52:492
30606992319,2cyclictest25-21ksoftirqd/123:23:091
30606992318,3cyclictest25-21ksoftirqd/123:49:111
30606992318,3cyclictest25-21ksoftirqd/100:49:181
30606992318,3cyclictest25-21ksoftirqd/100:29:211
30606992318,3cyclictest11619-21tr22:49:101
30606992316,5cyclictest25-21ksoftirqd/101:04:111
30606992316,5cyclictest25-21ksoftirqd/101:04:111
3060299232,19cyclictest12049-21grep00:59:230
30602992318,3cyclictest9-21ksoftirqd/022:04:150
30602992317,3cyclictest9-21ksoftirqd/021:11:590
30602992316,4cyclictest9-21ksoftirqd/023:54:110
30602992316,4cyclictest14036-21grep00:29:140
30602992315,5cyclictest16979-21grep21:04:140
3060299230,10cyclictest39372ssh22:40:150
3061799227,12cyclictest14471-21cpuspeed_turbos22:09:092
3061799223,4cyclictest12477-21kworker/2:100:17:052
30617992216,3cyclictest33-21ksoftirqd/223:31:452
30617992216,3cyclictest33-21ksoftirqd/222:34:122
30617992215,4cyclictest33-21ksoftirqd/222:02:402
30617992215,4cyclictest33-21ksoftirqd/221:34:332
30617992215,4cyclictest33-21ksoftirqd/221:34:332
30617992215,4cyclictest33-21ksoftirqd/221:23:092
3061799221,3cyclictest0-21swapper/200:19:232
3061799221,18cyclictest4506-21ssh01:58:212
3061799221,18cyclictest31701-21hddtemp_smartct23:09:132
3061799221,18cyclictest14154-21hddtemp_smartct00:29:152
3061799220,19cyclictest3121-21users23:44:262
3060699225,7cyclictest25402-21rm00:39:391
30606992217,3cyclictest25-21ksoftirqd/123:34:091
30606992217,3cyclictest25-21ksoftirqd/122:44:141
30606992217,3cyclictest25-21ksoftirqd/121:54:141
30606992216,4cyclictest25-21ksoftirqd/123:43:041
30606992216,4cyclictest25-21ksoftirqd/120:39:361
30606992216,3cyclictest25-21ksoftirqd/121:07:511
3060699221,5cyclictest29035-21awk00:44:161
30606992215,4cyclictest25-21ksoftirqd/121:59:261
30606992214,6cyclictest0-21swapper/123:54:281
3060299222,15cyclictest29062-21apt-get22:34:070
30602992217,3cyclictest9-21ksoftirqd/023:04:100
30602992217,3cyclictest9-21ksoftirqd/001:54:180
30602992217,3cyclictest9-21ksoftirqd/001:54:010
30602992217,3cyclictest9-21ksoftirqd/000:44:170
30602992216,3cyclictest9-21ksoftirqd/020:54:140
30602992216,3cyclictest9-21ksoftirqd/020:39:110
30602992215,4cyclictest9-21ksoftirqd/000:10:130
30602992214,5cyclictest19256-21ps00:34:180
265692220,2sleep20-21swapper/222:30:462
3061799211,5cyclictest20897-21df21:14:082
30617992115,3cyclictest33-21ksoftirqd/223:57:062
30617992114,4cyclictest33-21ksoftirqd/221:53:082
30617992114,4cyclictest33-21ksoftirqd/221:11:012
30617992114,4cyclictest25406-21cpu21:24:052
30617992114,4cyclictest24838-21sendmail_mailtr00:39:212
30617992114,4cyclictest10323-21switchtime23:19:242
3061799211,18cyclictest30417-21ssh23:39:262
3061799211,17cyclictest7671-21snmp_o5powerctl23:49:222
3061799211,17cyclictest4482-21snmp_o5powerctl01:24:252
3061799211,17cyclictest1948-21hddtemp_smartct20:34:102
3060699219,3cyclictest25-21ksoftirqd/100:35:541
3060699217,5cyclictest14237-21ssh01:02:171
30606992115,4cyclictest25-21ksoftirqd/120:55:301
30606992115,4cyclictest25-21ksoftirqd/120:48:041
30606992115,3cyclictest25-21ksoftirqd/121:15:221
30606992114,4cyclictest5813-21cron23:48:581
30606992114,4cyclictest25-21ksoftirqd/121:51:351
30606992114,4cyclictest25095-21awk22:29:171
30606992113,5cyclictest26971-21irqrtprio23:04:151
30606992113,5cyclictest23505-21diskmemload01:44:121
30602992116,3cyclictest9-21ksoftirqd/023:43:580
30602992116,3cyclictest1055-21runrttasks20:35:300
30602992115,4cyclictest16341-21/usr/sbin/munin22:54:200
30602992115,3cyclictest9-21ksoftirqd/021:25:080
30602992115,3cyclictest9-21ksoftirqd/021:20:500
30602992114,4cyclictest26551-21missed_timers01:14:200
30602992113,4cyclictest913-21cpu00:49:110
495722013,3sleep125-21ksoftirqd/100:19:221
30617992014,3cyclictest28052-21sh01:15:432
30617992013,4cyclictest24488-21sh00:07:122
30617992013,4cyclictest23873-21needreboot01:44:202
30617992013,4cyclictest23492-21seq23:34:032
30617992013,4cyclictest21540-21taskset01:09:192
30617992013,4cyclictest2073-21phc2sys-jitter00:49:192
30617992013,4cyclictest10675-21latency_hist20:53:542
3061799201,2cyclictest0-21swapper/200:00:432
3061799201,17cyclictest9913-21ssh22:47:012
3061799201,17cyclictest0-21swapper/222:20:322
3061799201,16cyclictest0-21swapper/200:59:132
3060699209,8cyclictest31732-21ssh01:19:221
3060699201,6cyclictest0-21swapper/122:39:061
30606992015,3cyclictest25-21ksoftirqd/123:10:201
30606992015,3cyclictest25-21ksoftirqd/120:52:051
30606992013,5cyclictest25-21ksoftirqd/122:54:121
30606992013,4cyclictest5909-21sh01:26:121
3060699201,16cyclictest6020-21cstates00:54:141
3060699201,16cyclictest1746-21sort20:34:091
3060299203,15cyclictest21546-21cut22:24:110
30602992016,3cyclictest9-21ksoftirqd/001:34:190
30602992013,4cyclictest9-21ksoftirqd/021:44:120
30617991916,2cyclictest0-21swapper/222:24:162
30617991914,3cyclictest33-21ksoftirqd/201:35:552
30617991913,3cyclictest18646-21sh00:34:132
30606991914,3cyclictest25-21ksoftirqd/122:24:151
30606991914,3cyclictest25-21ksoftirqd/121:09:121
30602991911,4cyclictest24221-21forks22:29:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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