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2026-01-07 - 05:57
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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 the highest latencies:
System rackbslot6.osadl.org (updated Wed Jan 07, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911020,4ptp4l401ktimersoftd/319:19:273
300742940,5sleep00-21swapper/019:19:160
120962680,2sleep30-21swapper/322:47:213
106891680,1ptp4l401ktimersoftd/322:03:383
106891660,1ptp4l401ktimersoftd/322:57:423
320792644,10sleep20-21swapper/219:23:222
231492640,4sleep23225399cyclictest21:19:082
106891630,1ptp4l401ktimersoftd/300:06:473
106891620,1ptp4l401ktimersoftd/321:09:203
201732610,2sleep30-21swapper/322:23:323
106891590,1ptp4l401ktimersoftd/322:05:033
106891570,1ptp4l401ktimersoftd/323:33:263
106891570,1ptp4l401ktimersoftd/323:15:253
80502560,2sleep20-21swapper/220:44:312
246702560,1sleep00-21swapper/022:59:310
106891550,1ptp4l401ktimersoftd/322:18:303
66092530,1sleep10-21swapper/100:19:291
5272530,1sleep00-21swapper/023:40:020
83032520,2sleep00-21swapper/019:39:210
83032520,2sleep00-21swapper/019:39:210
32257995144,4cyclictest41-21ksoftirqd/322:59:233
320782504,33sleep10-21swapper/119:23:211
67282480,2sleep30-21swapper/321:37:073
106891480,0ptp4l401ktimersoftd/322:28:493
32257994739,4cyclictest41-21ksoftirqd/300:24:253
17562460,2sleep30-21swapper/323:42:013
106891460,12ptp4l8736-21kworker/3:100:15:013
106891450,2ptp4l8736-21kworker/3:100:52:483
106891450,2ptp4l8736-21kworker/3:100:52:483
106891450,2ptp4l29609-21kworker/3:120:21:203
106891450,1ptp4l401ktimersoftd/322:31:233
106891450,1ptp4l401ktimersoftd/300:33:583
106891450,11ptp4l401ktimersoftd/320:10:033
106891430,1ptp4l401ktimersoftd/322:41:323
32257994235,3cyclictest41-21ksoftirqd/321:44:203
32242994217,22cyclictest16317-21cpuspeed_turbos21:04:190
32242994215,4cyclictest28835-21fschecks_time21:59:220
106891420,1ptp4l401ktimersoftd/319:34:533
32242994115,3cyclictest17466-21cron19:59:060
106891410,1ptp4l401ktimersoftd/300:39:233
32257994030,6cyclictest41-21ksoftirqd/320:29:183
32253994033,4cyclictest2345-21turbostat19:29:052
32242994019,18cyclictest9-21ksoftirqd/020:43:090
32242994012,5cyclictest1806-21grep00:14:310
32242993915,3cyclictest20701-21idleruntime-cro00:34:120
106891390,1ptp4l401ktimersoftd/300:22:293
32257993830,5cyclictest41-21ksoftirqd/323:34:243
32242993812,4cyclictest8262-21sed00:54:120
32242993812,4cyclictest8262-21sed00:54:120
32242993812,3cyclictest26044-21/usr/sbin/munin22:29:290
32242993812,3cyclictest18256-21sh19:59:220
32242993811,4cyclictest25386-21diskmemload22:14:380
106891380,1ptp4l401ktimersoftd/323:55:283
106891380,1ptp4l401ktimersoftd/322:37:083
106891380,1ptp4l401ktimersoftd/300:35:563
106891380,10ptp4l401ktimersoftd/320:24:283
106891380,0ptp4l401ktimersoftd/323:20:463
32257993731,3cyclictest41-21ksoftirqd/321:24:253
32242993712,3cyclictest25386-21diskmemload23:47:450
3224299371,13cyclictest3045-21gltestperf19:29:080
32242993711,3cyclictest18369-21date22:54:100
106891370,1ptp4l401ktimersoftd/323:49:433
106891370,1ptp4l401ktimersoftd/323:10:153
106891370,1ptp4l401ktimersoftd/323:05:423
106891370,1ptp4l401ktimersoftd/323:05:423
106891370,1ptp4l401ktimersoftd/322:09:143
106891370,1ptp4l401ktimersoftd/321:56:203
106891370,1ptp4l401ktimersoftd/321:14:233
106891370,1ptp4l401ktimersoftd/321:00:523
106891370,1ptp4l401ktimersoftd/300:48:143
106891370,0ptp4l401ktimersoftd/322:49:173
3225799361,32cyclictest10127-21cron19:44:053
3225799361,32cyclictest10127-21cron19:44:053
3224299362,8cyclictest20949-21apt-get21:14:210
3224299361,15cyclictest0-21swapper/021:57:010
32242993610,3cyclictest25747-21sh22:29:100
106891360,2ptp4l8736-21kworker/3:100:01:383
106891360,1ptp4l401ktimersoftd/323:25:163
106891360,1ptp4l401ktimersoftd/321:31:543
106891360,1ptp4l401ktimersoftd/321:22:433
106891360,1ptp4l401ktimersoftd/321:22:433
32242993513,4cyclictest9-21ksoftirqd/020:53:520
32242993511,4cyclictest659-21latency_hist00:14:120
32242993511,3cyclictest46950irq/100-ens3-Tx23:29:110
106891350,1ptp4l401ktimersoftd/300:10:423
106891350,0ptp4l401ktimersoftd/321:51:463
106891350,0ptp4l401ktimersoftd/320:01:013
3224299340,16cyclictest0-21swapper/023:22:410
106891340,1ptp4l401ktimersoftd/319:44:183
32257993327,3cyclictest41-21ksoftirqd/319:54:053
106891330,2ptp4l29609-21kworker/3:120:15:383
106891330,1ptp4l401ktimersoftd/321:39:493
327592320,2sleep10-21swapper/122:03:391
32242993211,4cyclictest25386-21diskmemload21:48:420
32242993211,3cyclictest14218-21gltestperf20:59:230
106891320,1ptp4l401ktimersoftd/319:55:473
106891320,11ptp4l401ktimersoftd/320:49:363
32257993118,7cyclictest41-21ksoftirqd/320:44:193
285652310,2sleep00-21swapper/000:40:440
106891310,1ptp4l401ktimersoftd/321:08:503
106891310,1ptp4l401ktimersoftd/320:56:093
32257993024,3cyclictest41-21ksoftirqd/320:34:203
304202300,4sleep030424-21irqrtprio20:24:260
64492290,2sleep10-21swapper/122:41:131
32253992918,6cyclictest321ktimersoftd/200:34:252
32253992823,3cyclictest33-21ksoftirqd/223:59:122
32253992823,3cyclictest33-21ksoftirqd/223:24:102
32253992822,3cyclictest33-21ksoftirqd/220:49:182
32253992821,4cyclictest33-21ksoftirqd/220:09:302
32257992721,3cyclictest41-21ksoftirqd/323:49:123
32253992722,3cyclictest33-21ksoftirqd/223:59:122
32253992722,3cyclictest33-21ksoftirqd/223:49:112
3225399272,20cyclictest0-21swapper/221:29:202
32253992721,3cyclictest33-21ksoftirqd/222:54:272
32253992720,4cyclictest33-21ksoftirqd/221:02:182
32253992720,4cyclictest33-21ksoftirqd/219:45:302
32253992720,4cyclictest33-21ksoftirqd/219:35:222
32253992720,4cyclictest33-21ksoftirqd/200:45:162
32247992720,4cyclictest25-21ksoftirqd/121:22:401
32247992720,4cyclictest25-21ksoftirqd/121:22:401
32247992720,4cyclictest25-21ksoftirqd/119:32:001
32247992720,4cyclictest25-21ksoftirqd/100:43:181
32242992720,4cyclictest9-21ksoftirqd/020:45:330
32242992720,4cyclictest9-21ksoftirqd/020:30:040
32242992720,4cyclictest9-21ksoftirqd/019:51:140
32257992621,3cyclictest41-21ksoftirqd/320:09:063
32257992621,3cyclictest41-21ksoftirqd/319:29:233
32257992619,4cyclictest41-21ksoftirqd/320:39:103
32253992621,3cyclictest33-21ksoftirqd/222:49:092
32253992621,3cyclictest33-21ksoftirqd/220:19:342
32253992620,4cyclictest33-21ksoftirqd/219:59:062
32253992620,3cyclictest33-21ksoftirqd/219:59:132
32247992620,3cyclictest25-21ksoftirqd/121:09:021
32247992619,4cyclictest7141-21tail20:44:231
32247992619,4cyclictest25-21ksoftirqd/119:46:581
32242992619,4cyclictest9-21ksoftirqd/021:40:460
32242992619,4cyclictest9-21ksoftirqd/021:20:220
32242992619,4cyclictest9-21ksoftirqd/021:20:220
106891260,1ptp4l401ktimersoftd/319:26:253
75072250,2sleep20-21swapper/222:42:592
32253992520,3cyclictest33-21ksoftirqd/221:19:132
32253992520,3cyclictest33-21ksoftirqd/221:19:132
32253992519,3cyclictest33-21ksoftirqd/221:43:372
32253992519,3cyclictest33-21ksoftirqd/220:37:102
32253992519,3cyclictest33-21ksoftirqd/220:27:512
32253992518,5cyclictest33-21ksoftirqd/221:59:352
32253992518,5cyclictest33-21ksoftirqd/200:53:282
32253992518,5cyclictest33-21ksoftirqd/200:53:282
32253992518,4cyclictest33-21ksoftirqd/220:40:422
32247992519,4cyclictest25-21ksoftirqd/122:29:341
32247992519,4cyclictest25-21ksoftirqd/120:41:451
32247992519,3cyclictest25-21ksoftirqd/123:19:031
32247992519,3cyclictest25-21ksoftirqd/100:28:571
32247992518,4cyclictest25-21ksoftirqd/120:54:021
32247992518,4cyclictest25-21ksoftirqd/119:56:451
32242992519,4cyclictest9-21ksoftirqd/019:45:400
32242992519,3cyclictest9-21ksoftirqd/020:08:280
32242992519,3cyclictest9-21ksoftirqd/019:26:210
32242992518,4cyclictest9-21ksoftirqd/020:16:190
32242992518,4cyclictest17964-21apt-get23:59:150
32242992516,7cyclictest9-21ksoftirqd/021:49:410
3225399243,6cyclictest121rcu_preempt00:32:372
3225399243,13cyclictest47150irq/102-ens3-Tx23:14:232
32253992419,3cyclictest33-21ksoftirqd/223:54:112
32253992419,3cyclictest33-21ksoftirqd/223:29:242
32253992419,3cyclictest33-21ksoftirqd/222:53:512
32253992419,3cyclictest33-21ksoftirqd/220:57:242
32253992418,4cyclictest33-21ksoftirqd/223:35:062
32253992418,4cyclictest33-21ksoftirqd/220:06:492
32253992418,4cyclictest33-21ksoftirqd/200:04:362
32253992417,4cyclictest33-21ksoftirqd/220:15:572
32253992415,6cyclictest33-21ksoftirqd/223:27:592
32247992419,3cyclictest25-21ksoftirqd/122:52:411
32247992418,3cyclictest25-21ksoftirqd/123:36:131
32247992418,3cyclictest25-21ksoftirqd/122:56:181
32247992418,3cyclictest25-21ksoftirqd/121:14:461
32247992416,5cyclictest2507-21munin-node00:49:241
32247992416,5cyclictest2507-21munin-node00:49:241
32242992419,3cyclictest9-21ksoftirqd/021:13:360
32242992418,4cyclictest9-21ksoftirqd/020:12:130
32242992417,4cyclictest9-21ksoftirqd/022:41:400
254802240,3sleep125490-21ssh00:38:531
32253992318,3cyclictest33-21ksoftirqd/222:09:292
32253992317,4cyclictest27905-21head00:39:412
32253992317,3cyclictest33-21ksoftirqd/222:28:572
32253992316,4cyclictest33-21ksoftirqd/219:43:052
32253992316,4cyclictest33-21ksoftirqd/219:43:052
32253992313,5cyclictest0-21swapper/222:14:222
3224799233,17cyclictest1654-21basename20:34:071
32247992317,4cyclictest25-21ksoftirqd/120:57:071
32247992317,4cyclictest25-21ksoftirqd/120:26:191
32247992316,4cyclictest25-21ksoftirqd/121:56:241
32247992316,4cyclictest25-21ksoftirqd/121:02:081
32247992316,4cyclictest25-21ksoftirqd/120:03:311
32247992315,5cyclictest1055-21runrttasks23:26:221
3224799230,4cyclictest22229-21ssh21:53:051
32242992316,4cyclictest9-21ksoftirqd/020:22:170
3224299231,20cyclictest0-21swapper/022:34:230
32253992217,3cyclictest33-21ksoftirqd/223:39:192
32253992217,3cyclictest33-21ksoftirqd/223:04:262
32253992217,3cyclictest33-21ksoftirqd/223:04:262
32253992216,3cyclictest33-21ksoftirqd/221:54:292
32253992216,3cyclictest25132-21cat22:59:382
32253992215,4cyclictest33-21ksoftirqd/200:23:242
32253992212,7cyclictest28974-21grep00:09:292
32247992216,4cyclictest25-21ksoftirqd/121:10:521
32247992216,3cyclictest25261-21grep20:14:221
32247992216,3cyclictest2523-21ssh23:09:351
32247992216,3cyclictest25-21ksoftirqd/123:59:101
32247992216,3cyclictest25-21ksoftirqd/122:49:001
32247992215,4cyclictest957-21/usr/sbin/munin22:04:371
32247992215,4cyclictest25-21ksoftirqd/122:12:461
3224799221,3cyclictest22926-21ssh23:29:511
3224799221,19cyclictest10431-21ssh21:40:011
3224799221,18cyclictest26707-21ssh23:01:511
3224799221,18cyclictest21171-21ssh22:24:221
3224799220,4cyclictest14262-21ssh23:21:591
3224299220,4cyclictest7510-21ssh22:09:370
322762210,2sleep132269-21strings22:34:301
3225399212,16cyclictest16656-21cut21:04:222
32253992115,4cyclictest33-21ksoftirqd/222:31:502
32247992116,3cyclictest18976-21ssh00:31:211
32247992115,4cyclictest28604-21snmp_o5powerctl20:19:321
32247992114,4cyclictest2946-21sendmail21:34:081
32247992114,4cyclictest26077-21rm21:24:231
32247992114,4cyclictest25-21ksoftirqd/123:07:591
32247992114,4cyclictest25-21ksoftirqd/123:07:591
32247992114,4cyclictest25-21ksoftirqd/121:46:491
32247992114,4cyclictest25-21ksoftirqd/119:42:481
32247992114,4cyclictest25-21ksoftirqd/119:42:481
32247992114,4cyclictest1342-21df00:14:241
32247992113,5cyclictest6055-21ssh23:45:551
32247992113,4cyclictest31482-21iwlist23:39:281
32247992113,4cyclictest23747-21ptp4l-jitter20:09:281
3224799211,17cyclictest1625-21snmp_o5powerctl19:24:301
3224799211,16cyclictest9791-21ssh23:49:341
3224799210,3cyclictest26442-21ssh00:06:241
32242992114,4cyclictest10749-21sh00:24:110
3224299211,2cyclictest0-21swapper/022:47:120
32242992112,5cyclictest1104-21rm23:09:240
32253992014,4cyclictest33-21ksoftirqd/221:49:242
32253992014,4cyclictest2153-21sh22:37:202
32253992014,3cyclictest33-21ksoftirqd/221:25:582
32253992014,3cyclictest33-21ksoftirqd/220:29:182
32253992014,3cyclictest18613-21sh22:20:562
32253992014,3cyclictest12729-21/usr/sbin/munin19:49:262
32253992013,4cyclictest5508-21latency_hist19:34:052
32253992013,4cyclictest33-21ksoftirqd/221:34:412
3224799203,10cyclictest20141-21apt-get20:04:181
3224799201,3cyclictest17444-21snmp_o5powerctl22:19:341
32247992013,4cyclictest30766-21sh00:10:211
32247992013,4cyclictest14867-21sh22:17:591
3224799200,4cyclictest7615-21rm21:38:371
32242992015,3cyclictest9-21ksoftirqd/023:57:040
32242992015,3cyclictest9-21ksoftirqd/000:07:520
32242992014,3cyclictest9-21ksoftirqd/020:54:250
32242992014,3cyclictest9-21ksoftirqd/020:35:460
32242992013,4cyclictest9-21ksoftirqd/019:36:530
32242992013,4cyclictest3390-21apt-get21:34:210
32242992013,4cyclictest31056-21df21:29:220
32242992013,4cyclictest26228-21df23:34:260
32242992012,5cyclictest12623-21snmp_o5powerctl00:24:390
3224299201,16cyclictest21265-21ssh22:56:040
32253991914,3cyclictest957-21/usr/sbin/munin22:04:272
32253991914,3cyclictest11567-21grep00:24:282
32253991913,3cyclictest3526-21sh23:10:402
32253991913,3cyclictest3167-21sh00:15:032
32253991913,3cyclictest15989-21sh21:45:592
3224799197,9cyclictest0-21swapper/100:45:001
32247991913,3cyclictest5904-21expr19:34:201
32247991910,6cyclictest47050irq/101-ens3-Tx23:59:161
3224799190,2cyclictest0-21swapper/119:49:181
32242991915,2cyclictest0-21swapper/023:49:200
32242991915,2cyclictest0-21swapper/022:19:340
32242991915,2cyclictest0-21swapper/022:07:050
32242991913,3cyclictest25507-21sh23:34:100
32242991912,4cyclictest26331-21which21:24:250
32242991912,4cyclictest25386-21diskmemload23:07:020
32242991912,4cyclictest25386-21diskmemload23:07:020
32253991811,4cyclictest19051-21idleruntime21:09:252
3224799180,16cyclictest0-21swapper/120:35:191
32242991814,2cyclictest0-21swapper/000:34:210
3224299181,15cyclictest984-21snmpd00:44:230
32242991811,4cyclictest6033-21basename23:14:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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