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2026-04-22 - 03:28
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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 Wed Apr 22, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2444621510,3sleep02031999cyclictest21:32:450
3080521330,4sleep12032399cyclictest00:48:471
1068911060,3ptp4l401ktimersoftd/320:19:253
218982670,5sleep22032899cyclictest23:02:322
147682610,1sleep30-21swapper/301:06:353
199612580,1sleep20-21swapper/200:06:042
130142580,3sleep12032399cyclictest00:32:161
106891580,1ptp4l401ktimersoftd/300:15:453
302332560,2sleep00-21swapper/022:37:370
206292470,1sleep20-21swapper/200:38:082
89922460,8sleep2321ktimersoftd/223:22:322
20319994335,3cyclictest9-21ksoftirqd/020:22:140
2033399412,6cyclictest41-21ksoftirqd/301:37:273
20319994132,4cyclictest9-21ksoftirqd/022:22:310
106891410,1ptp4l401ktimersoftd/323:55:023
106891410,1ptp4l401ktimersoftd/301:20:423
66812400,2sleep10-21swapper/123:19:131
2033399407,6cyclictest41-21ksoftirqd/300:00:383
2033399407,5cyclictest41-21ksoftirqd/322:46:543
2033399407,5cyclictest41-21ksoftirqd/300:41:353
106891400,1ptp4l401ktimersoftd/323:23:353
2033399398,5cyclictest41-21ksoftirqd/300:07:233
2033399397,5cyclictest41-21ksoftirqd/323:37:123
2033399397,4cyclictest41-21ksoftirqd/300:23:003
2033399396,8cyclictest17280-21ssh01:42:323
2033399396,8cyclictest17280-21ssh01:42:323
2033399392,18cyclictest16468-21/usr/sbin/munin22:57:453
106891390,1ptp4l401ktimersoftd/322:07:423
106891390,0ptp4l401ktimersoftd/323:46:283
2033399387,4cyclictest41-21ksoftirqd/323:31:083
2032399385,3cyclictest131rcu_sched01:22:181
106891380,1ptp4l401ktimersoftd/323:42:053
106891380,1ptp4l401ktimersoftd/323:08:333
106891380,1ptp4l401ktimersoftd/322:41:363
106891380,1ptp4l401ktimersoftd/301:27:453
106891380,1ptp4l401ktimersoftd/301:11:573
106891380,1ptp4l401ktimersoftd/300:43:313
106891380,1ptp4l401ktimersoftd/300:19:473
106891380,0ptp4l401ktimersoftd/323:03:163
106891380,0ptp4l401ktimersoftd/301:37:103
106891380,0ptp4l401ktimersoftd/301:15:053
106891380,0ptp4l401ktimersoftd/300:33:273
106891370,1ptp4l401ktimersoftd/323:50:053
106891370,1ptp4l401ktimersoftd/323:14:433
106891370,1ptp4l401ktimersoftd/322:54:143
106891370,1ptp4l401ktimersoftd/322:50:093
106891370,1ptp4l401ktimersoftd/322:32:353
106891370,1ptp4l401ktimersoftd/322:24:263
106891370,1ptp4l401ktimersoftd/300:48:563
106891370,0ptp4l401ktimersoftd/300:30:253
2033399364,9cyclictest22697-21munin-node20:27:153
20319993631,3cyclictest9-21ksoftirqd/022:32:220
20319993630,3cyclictest9-21ksoftirqd/001:32:210
2031999360,6cyclictest9-21ksoftirqd/001:22:180
106891360,1ptp4l401ktimersoftd/322:30:433
106891360,1ptp4l401ktimersoftd/321:23:463
106891360,1ptp4l401ktimersoftd/301:23:303
106891360,1ptp4l401ktimersoftd/300:56:583
106891360,1ptp4l401ktimersoftd/300:03:453
106891360,0ptp4l401ktimersoftd/301:51:203
20323993530,3cyclictest25-21ksoftirqd/123:02:191
20319993527,4cyclictest9-21ksoftirqd/000:32:330
106891350,1ptp4l401ktimersoftd/322:12:363
106891350,1ptp4l401ktimersoftd/300:58:273
20323993426,5cyclictest25-21ksoftirqd/101:52:221
20323993420,4cyclictest25-21ksoftirqd/100:07:351
20319993427,4cyclictest9-21ksoftirqd/001:07:320
2032899336,14cyclictest30313-21ssh01:22:342
20319993328,3cyclictest9-21ksoftirqd/023:37:180
20319993327,3cyclictest9-21ksoftirqd/023:52:190
20319993327,3cyclictest9-21ksoftirqd/020:27:150
20328993219,6cyclictest321ktimersoftd/222:17:302
20323993227,3cyclictest25-21ksoftirqd/100:02:241
20323993223,5cyclictest25-21ksoftirqd/100:52:331
20319993227,3cyclictest9-21ksoftirqd/023:17:480
20319993226,3cyclictest9-21ksoftirqd/023:42:190
20319993226,3cyclictest9-21ksoftirqd/022:47:480
20319993226,3cyclictest9-21ksoftirqd/021:57:160
20319993226,3cyclictest9-21ksoftirqd/020:37:150
20319993226,3cyclictest18314-21cron23:32:180
20319993225,4cyclictest1055-21runrttasks22:01:220
20319993219,3cyclictest9-21ksoftirqd/021:27:450
60292310,2sleep00-21swapper/000:23:440
20323993126,3cyclictest25-21ksoftirqd/122:27:181
20323993126,3cyclictest25-21ksoftirqd/122:22:171
20323993126,3cyclictest25-21ksoftirqd/101:17:211
20323993125,3cyclictest25-21ksoftirqd/123:47:391
20323993125,3cyclictest25-21ksoftirqd/123:32:191
20323993125,3cyclictest25-21ksoftirqd/122:32:181
20323993125,3cyclictest25-21ksoftirqd/121:12:161
20319993126,3cyclictest9-21ksoftirqd/001:12:520
20319993126,3cyclictest9-21ksoftirqd/000:17:400
20319993125,3cyclictest9-21ksoftirqd/023:02:190
20319993125,3cyclictest9-21ksoftirqd/022:12:170
20319993125,3cyclictest9-21ksoftirqd/001:37:330
20319993125,3cyclictest9-21ksoftirqd/001:22:380
20319993125,3cyclictest9-21ksoftirqd/000:12:240
2031999312,3cyclictest121rcu_preempt21:12:160
2033399304,7cyclictest0-21swapper/323:17:493
2032899306,7cyclictest121rcu_preempt01:37:072
20323993024,3cyclictest25-21ksoftirqd/121:52:161
20323993024,3cyclictest25-21ksoftirqd/120:52:161
20323993023,4cyclictest25-21ksoftirqd/101:27:211
20323993016,4cyclictest25-21ksoftirqd/122:52:311
20319993024,3cyclictest9-21ksoftirqd/000:42:500
20319993024,3cyclictest9-21ksoftirqd/000:02:360
20319993023,3cyclictest9-21ksoftirqd/023:57:200
106891300,0ptp4l401ktimersoftd/321:44:333
92432290,1sleep00-21swapper/021:02:340
20323992924,3cyclictest25-21ksoftirqd/123:42:191
20323992924,3cyclictest25-21ksoftirqd/122:32:371
20323992924,3cyclictest25-21ksoftirqd/121:27:171
20323992924,3cyclictest25-21ksoftirqd/101:32:411
20323992924,3cyclictest25-21ksoftirqd/101:07:491
20323992924,3cyclictest25-21ksoftirqd/100:37:201
20323992923,3cyclictest25-21ksoftirqd/123:57:491
20323992923,3cyclictest25-21ksoftirqd/123:42:301
20323992923,3cyclictest25-21ksoftirqd/121:57:161
20323992923,3cyclictest25-21ksoftirqd/120:27:151
20323992917,3cyclictest25-21ksoftirqd/101:27:351
2031999293,3cyclictest121rcu_preempt22:17:310
20319992924,3cyclictest9-21ksoftirqd/001:02:360
20319992924,3cyclictest9-21ksoftirqd/000:57:220
20319992924,3cyclictest9-21ksoftirqd/000:27:370
20319992923,3cyclictest9-21ksoftirqd/020:57:260
20319992923,3cyclictest9-21ksoftirqd/000:12:200
20319992923,3cyclictest9-21ksoftirqd/000:02:200
2031999291,3cyclictest121rcu_preempt00:37:480
2031999290,3cyclictest121rcu_preempt00:51:410
192412295,10sleep10-21swapper/120:17:371
184292292,17sleep218447-21/usr/sbin/munin20:17:302
20323992823,3cyclictest25-21ksoftirqd/120:42:151
20323992823,3cyclictest25-21ksoftirqd/100:37:391
20323992822,3cyclictest25-21ksoftirqd/101:42:221
20323992822,3cyclictest25-21ksoftirqd/100:12:381
20323992821,4cyclictest25-21ksoftirqd/120:37:151
20323992821,4cyclictest25-21ksoftirqd/100:22:341
20323992811,3cyclictest8530-21cut21:02:291
20319992823,3cyclictest9-21ksoftirqd/023:12:190
20319992823,3cyclictest9-21ksoftirqd/022:27:330
20319992823,3cyclictest9-21ksoftirqd/022:12:280
20319992823,3cyclictest9-21ksoftirqd/021:52:160
20319992823,3cyclictest9-21ksoftirqd/020:22:430
20319992823,3cyclictest9-21ksoftirqd/001:42:330
20319992823,3cyclictest9-21ksoftirqd/001:42:330
20319992823,3cyclictest9-21ksoftirqd/000:57:350
20319992822,3cyclictest9-21ksoftirqd/023:12:380
20319992822,3cyclictest9-21ksoftirqd/022:57:190
20319992822,3cyclictest9-21ksoftirqd/001:47:510
20319992821,4cyclictest9-21ksoftirqd/021:37:430
20319992821,4cyclictest9-21ksoftirqd/021:22:330
20319992821,4cyclictest9-21ksoftirqd/001:32:340
20328992722,3cyclictest33-21ksoftirqd/221:12:162
20328992721,3cyclictest33-21ksoftirqd/222:14:012
20328992721,3cyclictest33-21ksoftirqd/201:31:302
20328992720,4cyclictest33-21ksoftirqd/220:40:402
20323992722,3cyclictest25-21ksoftirqd/123:22:371
20323992722,3cyclictest25-21ksoftirqd/122:47:471
20323992722,3cyclictest25-21ksoftirqd/121:42:351
20323992722,3cyclictest25-21ksoftirqd/121:12:351
20323992722,3cyclictest25-21ksoftirqd/120:22:421
20323992721,4cyclictest25-21ksoftirqd/101:02:361
20323992721,3cyclictest25-21ksoftirqd/120:42:271
20323992721,3cyclictest18962-21timerandwakeup01:42:501
20323992721,3cyclictest18962-21timerandwakeup01:42:501
20323992715,4cyclictest25-21ksoftirqd/123:16:131
20323992713,4cyclictest25-21ksoftirqd/100:17:321
20323992713,3cyclictest25-21ksoftirqd/100:57:321
20323992712,4cyclictest25-21ksoftirqd/121:32:421
20323992711,4cyclictest25-21ksoftirqd/123:07:321
2031999272,3cyclictest121rcu_preempt21:45:330
20319992722,3cyclictest9-21ksoftirqd/023:42:380
20319992722,3cyclictest9-21ksoftirqd/023:02:300
2033399262,20cyclictest5111-21tail20:52:443
20333992619,4cyclictest41-21ksoftirqd/320:48:363
2032899265,13cyclictest5829-21ssh00:57:332
2032899263,14cyclictest26266-21rm00:12:312
20328992620,3cyclictest33-21ksoftirqd/220:52:262
20328992619,4cyclictest33-21ksoftirqd/221:29:342
20328992619,4cyclictest33-21ksoftirqd/221:23:122
20328992619,4cyclictest33-21ksoftirqd/221:13:322
20328992619,4cyclictest33-21ksoftirqd/220:58:352
20328992619,4cyclictest33-21ksoftirqd/220:35:142
20323992621,3cyclictest25-21ksoftirqd/122:42:391
20323992621,3cyclictest25-21ksoftirqd/100:42:321
20323992620,3cyclictest25-21ksoftirqd/123:32:361
20323992619,4cyclictest25-21ksoftirqd/121:41:451
20323992619,3cyclictest25-21ksoftirqd/123:52:411
20319992620,3cyclictest9-21ksoftirqd/021:22:170
20319992620,3cyclictest9-21ksoftirqd/020:37:190
20319992619,4cyclictest9-21ksoftirqd/021:16:430
2031999261,7cyclictest121rcu_preempt23:27:190
2031999260,3cyclictest121rcu_preempt22:42:400
20328992519,3cyclictest33-21ksoftirqd/223:58:432
20328992518,4cyclictest33-21ksoftirqd/221:44:192
20328992518,4cyclictest33-21ksoftirqd/200:51:082
20328992518,4cyclictest18199-21munin-plugin-st00:37:202
20323992520,3cyclictest25-21ksoftirqd/121:57:451
20323992513,3cyclictest25-21ksoftirqd/123:02:381
20319992520,3cyclictest9-21ksoftirqd/020:47:340
20319992520,3cyclictest9-21ksoftirqd/020:42:290
106891250,1ptp4l401ktimersoftd/322:17:473
106891250,1ptp4l401ktimersoftd/322:07:173
106891250,1ptp4l401ktimersoftd/321:52:453
106891250,1ptp4l401ktimersoftd/321:17:353
2033399246,7cyclictest41-21ksoftirqd/321:35:543
20333992418,3cyclictest41-21ksoftirqd/321:12:213
2032899243,12cyclictest64-21kswapd023:52:312
20328992419,3cyclictest9998-21snmp_o5powerctl00:27:462
20328992419,3cyclictest33-21ksoftirqd/221:47:212
20328992418,3cyclictest33-21ksoftirqd/222:35:052
20328992418,3cyclictest33-21ksoftirqd/221:37:552
20328992418,3cyclictest33-21ksoftirqd/221:17:242
20328992417,4cyclictest33-21ksoftirqd/221:56:522
2032399249,3cyclictest25-21ksoftirqd/122:12:351
20323992420,3cyclictest25-21ksoftirqd/122:07:531
20323992418,3cyclictest25-21ksoftirqd/121:01:541
20323992417,3cyclictest25-21ksoftirqd/121:27:301
20319992418,3cyclictest9-21ksoftirqd/022:02:290
20319992418,3cyclictest9-21ksoftirqd/020:52:280
106891240,1ptp4l401ktimersoftd/321:37:293
106891240,1ptp4l401ktimersoftd/321:27:283
106891240,1ptp4l401ktimersoftd/320:57:383
106891240,1ptp4l401ktimersoftd/320:42:293
106891240,1ptp4l401ktimersoftd/320:27:283
2032899233,11cyclictest22257-21ssh01:47:362
20328992318,3cyclictest33-21ksoftirqd/223:07:382
20328992317,3cyclictest33-21ksoftirqd/222:54:392
20328992317,3cyclictest33-21ksoftirqd/222:46:062
20328992316,4cyclictest33-21ksoftirqd/222:00:332
20328992316,4cyclictest33-21ksoftirqd/220:49:352
20328992316,4cyclictest16758-21sed01:07:402
2032899231,19cyclictest15811-21ssh23:28:032
20323992318,3cyclictest25-21ksoftirqd/122:37:361
20323992316,4cyclictest25-21ksoftirqd/122:03:501
20323992316,4cyclictest25-21ksoftirqd/120:53:481
106891230,1ptp4l401ktimersoftd/321:57:303
106891230,1ptp4l401ktimersoftd/321:47:303
106891230,1ptp4l401ktimersoftd/321:07:373
106891230,1ptp4l401ktimersoftd/321:02:273
106891230,1ptp4l401ktimersoftd/320:37:193
106891230,1ptp4l401ktimersoftd/320:32:293
2032899229,5cyclictest17500-21cpuspeed_turbos01:42:352
2032899229,5cyclictest17500-21cpuspeed_turbos01:42:352
2032899229,4cyclictest268382rm00:45:232
20328992217,3cyclictest33-21ksoftirqd/220:27:152
20328992216,3cyclictest33-21ksoftirqd/221:35:422
20328992216,3cyclictest33-21ksoftirqd/220:27:262
20328992216,3cyclictest33-21ksoftirqd/201:38:342
2032899221,3cyclictest9780-21snmp_o5powerctl21:02:402
2032899221,3cyclictest32663-21snmp_o5powerctl00:17:492
2032899221,3cyclictest20022-21memory23:32:402
20323992217,3cyclictest25-21ksoftirqd/121:17:321
20328992115,4cyclictest33-21ksoftirqd/223:49:342
20328992115,3cyclictest33-21ksoftirqd/200:26:112
20328992114,4cyclictest6156-21sed22:02:462
20328992114,4cyclictest26670-21find01:17:462
20328992114,4cyclictest20757-21sh01:12:372
20328992113,5cyclictest14771-21grep22:22:362
2032899211,18cyclictest0-21swapper/222:32:162
2032899211,18cyclictest0-21swapper/200:11:402
20328992014,4cyclictest5100-21sh00:56:492
20328992014,3cyclictest6633-21/usr/sbin/munin22:47:472
20328992014,3cyclictest33-21ksoftirqd/222:10:122
2032899201,3cyclictest1558-21ssh23:13:512
20328992013,4cyclictest26306-21sh23:38:502
20328992013,4cyclictest18246-21cat22:57:472
20328992013,4cyclictest13655-21sh01:04:402
20328992012,5cyclictest32707-21sed20:42:442
2032899201,17cyclictest0-21swapper/223:43:042
2032899201,16cyclictest691-21ssh22:41:102
2032899200,18cyclictest0-21swapper/223:20:472
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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