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2026-04-11 - 14:33
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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 Sat Apr 11, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1678821660,2sleep10-21swapper/123:39:541
1749721520,5sleep2507699cyclictest23:06:472
1068911190,8ptp4l24645-21kworker/3:220:15:493
2540421150,4sleep325407-21gltestperf01:26:323
105791690,4getstats508599cyclictest22:00:453
177852650,1sleep10-21swapper/122:35:581
4952620,5sleep2507699cyclictest21:11:282
5076995945,8cyclictest33-21ksoftirqd/201:36:262
106891580,1ptp4l401ktimersoftd/323:01:393
292232570,2sleep10-21swapper/101:30:591
48432564,10sleep20-21swapper/220:14:402
297052550,1sleep00-21swapper/022:46:370
106891550,1ptp4l401ktimersoftd/322:56:583
5582540,2sleep20-21swapper/222:51:132
5076995137,6cyclictest33-21ksoftirqd/200:56:262
106891500,1ptp4l401ktimersoftd/300:24:313
5076994938,6cyclictest33-21ksoftirqd/223:36:262
106891490,1ptp4l401ktimersoftd/322:28:003
301502470,2sleep10-21swapper/122:46:461
5076994634,5cyclictest33-21ksoftirqd/220:51:222
5076994633,6cyclictest33-21ksoftirqd/200:11:262
5076994533,6cyclictest33-21ksoftirqd/222:16:232
106891440,1ptp4l401ktimersoftd/321:22:463
106891440,1ptp4l401ktimersoftd/321:22:463
106891430,1ptp4l27899-21kworker/3:023:39:303
5076994235,4cyclictest33-21ksoftirqd/223:21:182
106891420,1ptp4l401ktimersoftd/322:08:123
106891420,1ptp4l401ktimersoftd/301:03:423
5076994136,2cyclictest33-21ksoftirqd/200:41:192
106891410,1ptp4l401ktimersoftd/300:41:443
106891410,17ptp4l401ktimersoftd/322:51:323
106891400,1ptp4l401ktimersoftd/301:16:283
42462393,21sleep02835-21/usr/sbin/munin20:11:350
106891390,1ptp4l401ktimersoftd/323:30:203
106891390,1ptp4l401ktimersoftd/322:19:033
106891390,1ptp4l401ktimersoftd/321:16:383
106891390,0ptp4l401ktimersoftd/300:11:453
5076993827,5cyclictest33-21ksoftirqd/220:21:222
106891380,1ptp4l401ktimersoftd/323:45:023
106891380,1ptp4l401ktimersoftd/323:15:203
106891380,1ptp4l401ktimersoftd/322:50:083
106891380,1ptp4l401ktimersoftd/322:26:103
106891380,1ptp4l401ktimersoftd/320:41:393
106891380,1ptp4l401ktimersoftd/301:40:573
106891380,1ptp4l401ktimersoftd/301:07:113
106891380,1ptp4l401ktimersoftd/300:39:393
106891380,1ptp4l401ktimersoftd/300:29:063
106891370,1ptp4l401ktimersoftd/323:49:113
106891370,1ptp4l401ktimersoftd/323:32:043
106891370,1ptp4l401ktimersoftd/323:18:203
106891370,1ptp4l401ktimersoftd/322:41:523
106891370,1ptp4l401ktimersoftd/300:59:033
106891370,1ptp4l401ktimersoftd/300:51:363
106891370,1ptp4l401ktimersoftd/300:19:063
106891370,0ptp4l401ktimersoftd/301:11:533
106891370,0ptp4l401ktimersoftd/300:01:563
106891360,1ptp4l401ktimersoftd/323:51:463
106891360,1ptp4l401ktimersoftd/323:23:063
106891360,1ptp4l401ktimersoftd/301:45:123
106891360,1ptp4l401ktimersoftd/301:34:003
106891360,1ptp4l401ktimersoftd/300:08:053
5076993529,3cyclictest33-21ksoftirqd/222:51:252
5076993529,3cyclictest33-21ksoftirqd/222:26:122
106891350,1ptp4l401ktimersoftd/321:32:293
106891350,1ptp4l401ktimersoftd/300:49:083
106891350,1ptp4l401ktimersoftd/300:49:083
106891350,12ptp4l401ktimersoftd/300:35:533
106891350,0ptp4l401ktimersoftd/323:06:533
106891350,0ptp4l401ktimersoftd/322:39:253
5076993429,3cyclictest33-21ksoftirqd/200:06:152
5076993428,3cyclictest33-21ksoftirqd/200:16:192
5076993422,9cyclictest33-21ksoftirqd/222:31:422
506499340,5cyclictest4061-21grep00:31:350
106891340,0ptp4l401ktimersoftd/322:33:253
106891340,0ptp4l401ktimersoftd/301:23:433
5076993326,4cyclictest33-21ksoftirqd/223:46:142
5070993318,4cyclictest25-21ksoftirqd/100:31:351
106891330,1ptp4l401ktimersoftd/320:31:343
5076993227,3cyclictest33-21ksoftirqd/220:56:262
5076993227,3cyclictest33-21ksoftirqd/220:36:102
5076993227,3cyclictest33-21ksoftirqd/201:21:172
5076993227,3cyclictest33-21ksoftirqd/200:26:142
5076993226,3cyclictest33-21ksoftirqd/200:36:292
5076993226,3cyclictest33-21ksoftirqd/200:01:152
5076993225,3cyclictest33-21ksoftirqd/223:21:142
233942320,5sleep223399-21gltestperf23:46:292
106891320,1ptp4l401ktimersoftd/323:57:413
5085993119,9cyclictest41-21ksoftirqd/321:52:013
5076993126,3cyclictest33-21ksoftirqd/221:26:112
5076993126,3cyclictest33-21ksoftirqd/221:26:112
5076993126,3cyclictest33-21ksoftirqd/200:51:162
5076993126,3cyclictest33-21ksoftirqd/200:51:162
5076993125,3cyclictest33-21ksoftirqd/223:01:262
5076993125,3cyclictest33-21ksoftirqd/201:36:172
35302310,6sleep13533-21mailstats21:16:331
106891310,1ptp4l401ktimersoftd/320:28:053
507699304,8cyclictest0-21swapper/222:01:282
5076993024,3cyclictest33-21ksoftirqd/222:06:402
5076993024,3cyclictest33-21ksoftirqd/221:36:112
5076993024,3cyclictest33-21ksoftirqd/201:31:172
5076993020,8cyclictest33-21ksoftirqd/201:05:472
5076993019,9cyclictest33-21ksoftirqd/223:11:412
5076993015,3cyclictest33-21ksoftirqd/221:46:342
5076993014,4cyclictest33-21ksoftirqd/222:56:292
207852300,3sleep125-21ksoftirqd/123:43:191
106891300,1ptp4l401ktimersoftd/321:29:573
106891300,1ptp4l401ktimersoftd/320:48:423
5076992924,3cyclictest33-21ksoftirqd/223:26:252
5076992924,3cyclictest33-21ksoftirqd/222:41:152
5076992924,3cyclictest33-21ksoftirqd/221:46:112
5076992924,3cyclictest33-21ksoftirqd/221:06:292
5076992924,3cyclictest33-21ksoftirqd/220:41:112
5076992924,3cyclictest33-21ksoftirqd/200:31:392
5076992923,4cyclictest33-21ksoftirqd/220:21:092
5076992923,3cyclictest33-21ksoftirqd/222:26:292
5076992917,9cyclictest33-21ksoftirqd/223:51:372
31022296,10sleep10-21swapper/120:11:241
106891290,1ptp4l401ktimersoftd/321:50:583
106891290,11ptp4l401ktimersoftd/320:16:433
106891290,0ptp4l401ktimersoftd/320:58:483
106891290,0ptp4l401ktimersoftd/320:40:553
106891290,0ptp4l401ktimersoftd/320:25:583
88952280,3sleep1231rcuc/100:36:351
507699282,6cyclictest33-21ksoftirqd/201:11:162
5076992823,3cyclictest33-21ksoftirqd/221:51:242
5076992823,3cyclictest33-21ksoftirqd/221:36:222
5076992823,3cyclictest33-21ksoftirqd/201:11:382
5076992822,3cyclictest33-21ksoftirqd/223:31:302
5076992822,3cyclictest33-21ksoftirqd/222:36:282
5076992822,3cyclictest33-21ksoftirqd/221:26:402
5076992822,3cyclictest33-21ksoftirqd/200:11:152
5076992816,9cyclictest33-21ksoftirqd/201:41:342
5064992823,3cyclictest9-21ksoftirqd/001:06:290
5064992817,6cyclictest24920-21ssh01:26:280
298012281,22sleep129812-21ssh00:25:561
177732280,2sleep10-21swapper/123:07:141
5076992723,3cyclictest33-21ksoftirqd/220:46:392
5076992722,3cyclictest33-21ksoftirqd/222:01:122
5076992722,3cyclictest33-21ksoftirqd/221:21:112
5076992722,3cyclictest33-21ksoftirqd/201:21:272
5076992720,4cyclictest33-21ksoftirqd/221:03:172
5076992712,12cyclictest28859-21if_enp1s022:11:292
106891270,0ptp4l401ktimersoftd/321:02:033
84312260,2sleep10-21swapper/100:03:321
5076992621,3cyclictest33-21ksoftirqd/200:26:332
5076992620,3cyclictest33-21ksoftirqd/220:41:292
5076992620,3cyclictest33-21ksoftirqd/200:51:322
5076992619,4cyclictest33-21ksoftirqd/220:29:092
5070992619,4cyclictest25-21ksoftirqd/122:26:511
5064992621,3cyclictest9-21ksoftirqd/000:06:440
5064992619,4cyclictest9-21ksoftirqd/020:28:270
106891260,1ptp4l401ktimersoftd/321:40:453
106891260,0ptp4l401ktimersoftd/321:10:153
54112250,2sleep00-21swapper/022:56:130
5070992520,3cyclictest25-21ksoftirqd/101:11:291
5070992519,3cyclictest25-21ksoftirqd/120:59:491
5070992519,3cyclictest25-21ksoftirqd/101:39:301
5070992516,5cyclictest47050irq/101-ens3-Tx23:56:261
5064992519,3cyclictest9-21ksoftirqd/020:24:450
5064992518,4cyclictest9-21ksoftirqd/021:33:100
5064992510,4cyclictest23224-21fschecks_count00:51:310
5070992418,3cyclictest25-21ksoftirqd/121:52:461
5070992418,3cyclictest25-21ksoftirqd/120:43:001
5070992417,4cyclictest25-21ksoftirqd/122:04:231
5070992417,4cyclictest25-21ksoftirqd/121:42:151
5070992417,4cyclictest25-21ksoftirqd/121:33:031
5070992417,4cyclictest25-21ksoftirqd/121:14:401
5070992417,4cyclictest25-21ksoftirqd/121:08:301
5070992417,4cyclictest25-21ksoftirqd/100:44:381
5064992417,4cyclictest9-21ksoftirqd/021:53:260
5064992417,4cyclictest9-21ksoftirqd/020:16:200
5064992417,4cyclictest9-21ksoftirqd/000:15:260
5064992417,4cyclictest26250-21grep22:06:270
243372241,2sleep10-21swapper/101:26:021
106891240,1ptp4l401ktimersoftd/322:11:403
106891240,1ptp4l401ktimersoftd/322:01:383
106891240,1ptp4l401ktimersoftd/321:11:313
106891240,0ptp4l401ktimersoftd/320:52:123
5085992316,4cyclictest14217-21tr21:41:243
5070992318,3cyclictest25-21ksoftirqd/123:16:411
5070992317,4cyclictest25-21ksoftirqd/121:06:091
5070992317,4cyclictest25-21ksoftirqd/120:22:171
5070992317,3cyclictest25-21ksoftirqd/121:23:111
5070992317,3cyclictest25-21ksoftirqd/121:23:111
5070992316,4cyclictest25-21ksoftirqd/120:55:051
5070992316,4cyclictest25-21ksoftirqd/120:29:441
5070992316,4cyclictest25-21ksoftirqd/101:08:471
5064992318,3cyclictest9-21ksoftirqd/021:41:110
5064992317,3cyclictest9-21ksoftirqd/023:33:310
5064992317,3cyclictest9-21ksoftirqd/022:03:490
5064992317,3cyclictest9-21ksoftirqd/020:52:060
5064992317,3cyclictest9-21ksoftirqd/020:48:420
5064992317,3cyclictest9-21ksoftirqd/000:01:250
5064992316,4cyclictest9-21ksoftirqd/021:03:190
5064992316,4cyclictest3430-21grep01:36:350
5064992315,4cyclictest233-21systemd-journal01:26:160
5064992314,5cyclictest1055-21runrttasks23:51:420
5070992217,3cyclictest25-21ksoftirqd/100:46:431
5070992217,3cyclictest25-21ksoftirqd/100:46:431
5070992216,3cyclictest25-21ksoftirqd/101:18:281
507099220,4cyclictest29680-21snmp_o5powerctl22:11:361
5064992218,2cyclictest0-21swapper/021:59:160
5064992218,2cyclictest0-21swapper/020:33:180
5064992216,3cyclictest9-21ksoftirqd/022:24:130
5064992216,3cyclictest9-21ksoftirqd/021:29:330
5064992216,3cyclictest9-21ksoftirqd/021:15:400
5064992216,3cyclictest9-21ksoftirqd/020:37:020
5064992215,4cyclictest9-21ksoftirqd/020:42:440
5064992214,5cyclictest13343-21acpi22:31:240
5064992214,5cyclictest11105-21grep23:01:290
506499221,18cyclictest24714-21snmp_o5powerctl22:41:350
507099217,6cyclictest16601-21phc2sys00:11:351
507099212,16cyclictest28382-21gltestperf23:51:311
5070992116,3cyclictest25-21ksoftirqd/122:56:341
5070992116,3cyclictest25-21ksoftirqd/122:19:161
5070992116,3cyclictest25-21ksoftirqd/121:41:061
5070992116,3cyclictest25-21ksoftirqd/100:16:391
5070992116,3cyclictest25-21ksoftirqd/100:08:451
5070992115,3cyclictest25-21ksoftirqd/123:01:161
5070992115,3cyclictest25-21ksoftirqd/121:59:531
5070992114,4cyclictest30022-21sh00:57:231
5070992114,4cyclictest25-21ksoftirqd/120:39:281
5070992114,4cyclictest23985-21missed_timers23:46:331
507099211,3cyclictest7085-21ssh23:30:101
5070992113,5cyclictest3224-21/usr/sbin/munin22:21:281
5070992113,4cyclictest1055-21runrttasks00:52:461
507099210,5cyclictest1055-21runrttasks23:24:561
506499218,10cyclictest21164-21if_ens323:11:300
506499216,9cyclictest335-21ssh23:56:260
506499214,10cyclictest15612-21apt-get23:06:260
5064992116,3cyclictest9-21ksoftirqd/021:49:160
5064992115,4cyclictest9-21ksoftirqd/021:08:380
5064992115,3cyclictest9-21ksoftirqd/023:36:320
5064992115,3cyclictest9-21ksoftirqd/022:15:460
5064992115,3cyclictest9-21ksoftirqd/021:21:250
5064992115,3cyclictest9-21ksoftirqd/021:21:250
5064992115,3cyclictest9-21ksoftirqd/000:23:530
5064992114,4cyclictest26132-21sh23:16:300
5064992114,4cyclictest19582-21cron01:21:160
5064992113,4cyclictest1055-21runrttasks22:30:530
5064992113,4cyclictest1055-21runrttasks20:56:220
5064992112,5cyclictest21664-21needreboot00:16:350
507099202,10cyclictest18363-21ssh22:36:261
5070992014,3cyclictest26952-21missed_timers22:06:321
5070992014,3cyclictest1391-21sh01:35:301
5070992014,3cyclictest10277-21sh01:43:581
5070992013,4cyclictest25117-21uptime22:41:411
5070992013,4cyclictest1725-21sh01:01:391
506499203,10cyclictest7871-21sh00:36:280
506499202,15cyclictest23036-21grep23:46:260
5064992016,2cyclictest0-21swapper/021:45:160
5064992016,2cyclictest0-21swapper/000:41:240
5064992015,3cyclictest9-21ksoftirqd/001:34:190
5064992015,3cyclictest8318-21ssh22:57:580
5064992014,3cyclictest9-21ksoftirqd/023:27:570
5064992014,3cyclictest30569-21/usr/sbin/munin23:21:280
5064992013,4cyclictest31000-21cat00:26:310
5064992013,4cyclictest30402-21diskmemload00:57:270
5064992013,4cyclictest1055-21runrttasks21:19:590
5064992012,4cyclictest18356-21apt-get22:36:260
506499201,16cyclictest30402-21diskmemload01:11:170
249572200,16sleep130402-21diskmemload23:16:021
5070991913,4cyclictest25-21ksoftirqd/120:50:481
5070991913,3cyclictest8038-21sed21:26:311
5070991913,3cyclictest6476-21proc_pri20:16:301
5070991913,3cyclictest14266-21proc_pri20:31:311
5070991912,4cyclictest3223-21sh22:52:431
507099191,15cyclictest32402-21ssh00:26:571
507099190,3cyclictest11816-21ssh23:34:501
5064991914,3cyclictest0-21swapper/001:01:160
5064991913,3cyclictest18370-21gltestperf00:46:300
5064991913,3cyclictest18370-21gltestperf00:46:300
5064991913,3cyclictest101ktimersoftd/022:17:340
5064991912,4cyclictest18107-21expr23:41:260
506499191,16cyclictest0-21swapper/001:44:130
5070991811,4cyclictest16975-21basename21:46:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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