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2026-09-02 - 05:37
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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 Sep 02, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1099521510,3sleep31857999cyclictest01:46:013
1068911220,8ptp4l15024-21kworker/3:021:31:483
106891800,13ptp4l401ktimersoftd/302:18:123
182362664,10sleep00-21swapper/021:32:520
106891590,1ptp4l401ktimersoftd/301:17:273
28682580,3sleep01855899cyclictest23:16:020
257202570,2sleep3401ktimersoftd/301:26:213
214832570,5sleep221488-21missed_timers22:46:052
205592560,2sleep30-21swapper/322:45:583
105791560,4getstats1857999cyclictest00:15:033
1856499540,14cyclictest11065-21/usr/sbin/munin00:06:221
1856499537,12cyclictest5991-21if_ens302:46:071
181292534,36sleep20-21swapper/221:31:282
106891530,1ptp4l8138-21kworker/3:002:49:383
1856499526,18cyclictest0-21swapper/102:00:491
1856499523,13cyclictest11690-21diskmemload00:41:011
1856499523,13cyclictest11690-21diskmemload00:41:011
174352520,4sleep1241ktimersoftd/121:31:021
1856499500,14cyclictest126862wc01:46:221
1856499500,13cyclictest25090-21latency_hist03:05:511
1856499500,13cyclictest23548-21cut02:31:091
1856499500,13cyclictest23548-21cut02:31:091
18558995017,4cyclictest9-21ksoftirqd/023:37:320
1856499490,14cyclictest7771-21timerandwakeup01:41:251
1856499490,14cyclictest4072-21latency02:11:091
1856499490,13cyclictest17984-21cstates02:26:031
18558994923,9cyclictest9-21ksoftirqd/001:20:480
1856499481,13cyclictest0-21swapper/101:01:031
1856499481,11cyclictest15871-21bc01:50:591
1856499480,19cyclictest29242-21cat00:25:581
1856499480,17cyclictest8804-21irqrtprio02:16:081
1856499480,17cyclictest11690-21diskmemload00:16:471
1856499480,13cyclictest30418-21cat02:05:491
1856499480,13cyclictest27927-21fschecks_time23:00:591
1856499480,13cyclictest27840-21ssh00:56:111
1856499480,13cyclictest21215-21cut22:46:031
1856499480,13cyclictest16095-21ssh00:11:161
1856499480,13cyclictest13644-21irqrtprio02:21:071
1856499480,13cyclictest10726-21sed22:25:441
1855899485,9cyclictest11690-21diskmemload02:36:030
18558994819,6cyclictest9-21ksoftirqd/000:06:040
1856499471,13cyclictest22396-21kworker/u8:121:41:011
1856499470,17cyclictest23737-21/usr/sbin/munin01:26:051
1856499470,17cyclictest12806-21kworker/u8:202:06:061
1856499470,17cyclictest11529-21if_enp1s022:26:011
1856499470,13cyclictest7984-21irqrtprio23:26:041
1856499470,13cyclictest26203-21cat22:56:051
1856499470,12cyclictest31434-21cp22:00:441
1856499470,12cyclictest27590-21awk23:51:021
1856499470,12cyclictest12009-21/usr/sbin/munin23:36:071
1855899479,3cyclictest9-21ksoftirqd/001:05:470
1855899476,10cyclictest9-21ksoftirqd/023:11:080
1855899476,10cyclictest9-21ksoftirqd/023:11:080
18558994723,7cyclictest9-21ksoftirqd/001:46:060
18558994721,5cyclictest9-21ksoftirqd/001:56:040
18558994719,4cyclictest9-21ksoftirqd/001:26:160
106891470,10ptp4l401ktimersoftd/323:59:253
106891470,0ptp4l401ktimersoftd/301:54:313
1856499460,29cyclictest22223-21if_ens300:51:061
1856499460,18cyclictest3652-21switchtime23:16:121
1856499460,17cyclictest24510-21expr00:21:011
1856499460,15cyclictest5439-21python01:06:101
1856499460,13cyclictest5278-21switchtime22:11:101
1856499460,13cyclictest14207-21irqrtprio22:31:011
1856499460,12cyclictest2885-21sed00:31:071
1856499460,12cyclictest10953-21rm01:11:401
1855899467,7cyclictest9-21ksoftirqd/001:11:120
1855899465,6cyclictest9-21ksoftirqd/022:16:000
18558994623,4cyclictest9-21ksoftirqd/021:56:020
18558994621,7cyclictest9-21ksoftirqd/002:06:040
18558994616,5cyclictest9-21ksoftirqd/002:11:050
1856499450,17cyclictest1520-21grep22:05:551
1856499450,13cyclictest19659-21cut21:36:021
1856499450,12cyclictest15899-21rm01:16:441
1856499450,11cyclictest580-21cstates02:41:041
1856499450,11cyclictest15099-21/usr/sbin/munin02:56:131
1855899458,3cyclictest9-21ksoftirqd/023:41:190
18558994521,4cyclictest9-21ksoftirqd/001:51:030
18558994516,5cyclictest9-21ksoftirqd/003:05:510
18558994510,3cyclictest9-21ksoftirqd/000:56:040
1856499440,19cyclictest19388-21systemctl22:41:071
1856499440,13cyclictest17163-21expr22:36:131
1856499440,12cyclictest26274-21rm23:50:151
1855899449,6cyclictest9-21ksoftirqd/000:41:050
1855899449,6cyclictest9-21ksoftirqd/000:41:050
18558994434,3cyclictest9-21ksoftirqd/000:21:160
18558994427,5cyclictest9-21ksoftirqd/000:11:030
18558994423,3cyclictest9-21ksoftirqd/022:01:000
18558994418,4cyclictest9-21ksoftirqd/001:36:100
18558994415,6cyclictest9-21ksoftirqd/000:30:460
1856499430,19cyclictest10204-21if_ens323:31:021
1856499430,18cyclictest6601-21ssh00:01:461
1856499430,18cyclictest18619-21ssh00:46:291
1856499430,18cyclictest18619-21ssh00:46:291
1856499430,18cyclictest1292-21sed23:56:301
1856499430,18cyclictest0-21swapper/123:43:451
1856499430,12cyclictest14512-21rm02:55:241
1855899439,3cyclictest9-21ksoftirqd/023:06:080
1855899437,8cyclictest9-21ksoftirqd/002:25:490
1855899436,3cyclictest9-21ksoftirqd/002:46:120
1855899436,3cyclictest9-21ksoftirqd/002:41:090
1855899436,3cyclictest9-21ksoftirqd/000:51:040
1855899433,6cyclictest9-21ksoftirqd/000:46:050
1855899433,6cyclictest9-21ksoftirqd/000:46:050
18558994332,3cyclictest9-21ksoftirqd/001:41:050
18558994322,7cyclictest9-21ksoftirqd/000:16:010
18558994322,6cyclictest9-21ksoftirqd/002:26:210
18558994321,7cyclictest9-21ksoftirqd/023:30:570
18558994315,6cyclictest9-21ksoftirqd/023:20:580
1856499420,13cyclictest29386-21awk01:31:061
1856499420,12cyclictest22743-21sh01:24:401
1855899428,3cyclictest9-21ksoftirqd/023:50:580
1855899427,4cyclictest9-21ksoftirqd/023:46:050
18558994231,3cyclictest9-21ksoftirqd/023:55:480
18558994230,3cyclictest9-21ksoftirqd/022:41:120
18558994219,4cyclictest9-21ksoftirqd/022:11:000
18558994215,5cyclictest9-21ksoftirqd/002:31:010
18558994215,5cyclictest9-21ksoftirqd/002:31:010
18558994213,5cyclictest9-21ksoftirqd/021:45:430
18558994213,5cyclictest9-21ksoftirqd/002:01:060
18558994210,6cyclictest9-21ksoftirqd/022:26:130
1856499410,22cyclictest7188-21cat22:16:031
1856499410,12cyclictest9903-21ssh00:38:321
1856499410,11cyclictest5026-21rm01:39:441
1855899419,6cyclictest9-21ksoftirqd/002:51:200
1855899416,3cyclictest9-21ksoftirqd/021:46:040
18558994119,7cyclictest9-21ksoftirqd/022:06:000
1855899411,6cyclictest18858-21ssh01:20:580
1855899410,7cyclictest9-21ksoftirqd/001:31:160
1856499400,17cyclictest30094-21ssh02:37:121
1856499400,12cyclictest0-21swapper/123:10:591
1856499400,12cyclictest0-21swapper/123:10:591
1855899409,7cyclictest9-21ksoftirqd/022:20:580
1855899406,7cyclictest9-21ksoftirqd/000:01:130
1855899404,3cyclictest9-21ksoftirqd/002:16:060
1855899403,4cyclictest9-21ksoftirqd/022:46:140
18558994026,10cyclictest9-21ksoftirqd/001:06:100
18558994015,4cyclictest9-21ksoftirqd/023:00:570
1855899400,7cyclictest9-21ksoftirqd/000:31:040
1855899397,7cyclictest9-21ksoftirqd/021:55:430
18558993928,3cyclictest9-21ksoftirqd/002:56:170
18558993914,5cyclictest9-21ksoftirqd/022:51:080
18558993913,8cyclictest9-21ksoftirqd/022:31:010
18558993913,10cyclictest9-21ksoftirqd/000:40:470
106891390,1ptp4l401ktimersoftd/303:01:113
106891390,1ptp4l401ktimersoftd/302:40:523
106891390,1ptp4l401ktimersoftd/302:14:183
106891390,1ptp4l401ktimersoftd/301:30:503
106891390,1ptp4l401ktimersoftd/300:34:053
106891390,1ptp4l401ktimersoftd/300:23:113
18568993824,8cyclictest33-21ksoftirqd/202:06:002
1856499380,12cyclictest0-21swapper/123:20:461
18558993811,6cyclictest9-21ksoftirqd/023:26:130
106891380,1ptp4l401ktimersoftd/323:38:453
106891380,1ptp4l401ktimersoftd/302:30:293
106891380,1ptp4l401ktimersoftd/302:23:543
106891380,1ptp4l401ktimersoftd/302:05:053
106891380,1ptp4l401ktimersoftd/301:36:193
106891380,1ptp4l401ktimersoftd/301:02:423
106891380,1ptp4l401ktimersoftd/300:20:363
106891380,1ptp4l401ktimersoftd/300:01:183
18579993730,4cyclictest1177-21cron22:05:433
1855899377,3cyclictest9-21ksoftirqd/022:36:050
106891370,1ptp4l401ktimersoftd/323:47:463
106891370,1ptp4l401ktimersoftd/323:41:513
106891370,1ptp4l401ktimersoftd/323:06:003
106891370,1ptp4l401ktimersoftd/322:36:033
106891370,1ptp4l401ktimersoftd/302:56:033
106891370,1ptp4l401ktimersoftd/302:36:543
106891370,1ptp4l401ktimersoftd/302:10:003
106891370,1ptp4l401ktimersoftd/301:45:323
106891370,1ptp4l401ktimersoftd/301:25:043
106891370,1ptp4l401ktimersoftd/301:14:423
106891370,1ptp4l401ktimersoftd/301:06:213
106891370,1ptp4l401ktimersoftd/300:51:443
106891370,1ptp4l401ktimersoftd/300:40:193
106891370,1ptp4l401ktimersoftd/300:27:083
106891370,0ptp4l401ktimersoftd/302:35:153
106891370,0ptp4l401ktimersoftd/302:35:153
106891370,0ptp4l401ktimersoftd/300:42:373
106891370,0ptp4l401ktimersoftd/300:42:373
1856499360,11cyclictest30684-21chrt21:56:221
1855899361,8cyclictest9-21ksoftirqd/022:56:040
106891360,1ptp4l401ktimersoftd/301:58:423
106891360,1ptp4l401ktimersoftd/300:49:183
106891360,1ptp4l401ktimersoftd/300:49:183
106891360,0ptp4l401ktimersoftd/322:57:033
18579993514,4cyclictest12826-21sh02:52:323
18579993514,3cyclictest13003-21sh00:09:103
182892350,3sleep21856899cyclictest01:52:142
106891350,12ptp4l401ktimersoftd/323:54:173
106891350,0ptp4l401ktimersoftd/323:16:003
18568993425,6cyclictest33-21ksoftirqd/222:00:442
1855899340,8cyclictest9-21ksoftirqd/021:36:010
215282310,5sleep21856899cyclictest00:50:592
18568993125,3cyclictest33-21ksoftirqd/201:00:472
1856499310,19cyclictest25224-21missed_timers21:46:031
106891310,1ptp4l401ktimersoftd/323:20:563
106891310,1ptp4l401ktimersoftd/321:59:103
106891310,0ptp4l401ktimersoftd/322:07:153
1856499300,17cyclictest1055-21runrttasks23:06:381
106891300,1ptp4l401ktimersoftd/322:41:003
106891300,1ptp4l401ktimersoftd/300:56:003
18579992823,3cyclictest41-21ksoftirqd/322:25:443
1856499280,14cyclictest24720-21chrt22:53:101
106891280,0ptp4l401ktimersoftd/322:34:333
18579992720,4cyclictest41-21ksoftirqd/322:16:353
18568992721,3cyclictest33-21ksoftirqd/202:36:092
18568992720,4cyclictest33-21ksoftirqd/222:13:052
1856499270,13cyclictest0-21swapper/121:55:431
106891270,1ptp4l401ktimersoftd/321:46:053
18579992619,4cyclictest41-21ksoftirqd/322:54:333
18579992619,4cyclictest41-21ksoftirqd/321:41:183
18568992622,3cyclictest33-21ksoftirqd/223:01:032
18568992621,3cyclictest33-21ksoftirqd/200:20:472
18568992620,3cyclictest33-21ksoftirqd/202:11:052
18568992619,4cyclictest33-21ksoftirqd/202:54:452
18568992619,4cyclictest33-21ksoftirqd/201:47:202
18568992619,4cyclictest33-21ksoftirqd/201:14:442
106891260,1ptp4l401ktimersoftd/322:26:063
106891260,0ptp4l401ktimersoftd/321:52:533
18568992521,3cyclictest33-21ksoftirqd/200:26:062
18568992519,3cyclictest33-21ksoftirqd/221:40:432
18568992519,3cyclictest33-21ksoftirqd/202:04:292
18568992518,4cyclictest33-21ksoftirqd/223:34:312
106891250,1ptp4l401ktimersoftd/321:35:553
18568992419,3cyclictest33-21ksoftirqd/223:49:322
18568992419,3cyclictest33-21ksoftirqd/223:20:452
18568992419,3cyclictest33-21ksoftirqd/222:16:102
18568992419,3cyclictest33-21ksoftirqd/202:56:092
18568992419,3cyclictest33-21ksoftirqd/202:50:502
18568992418,3cyclictest33-21ksoftirqd/223:35:562
18568992418,3cyclictest33-21ksoftirqd/202:31:032
18568992418,3cyclictest33-21ksoftirqd/202:31:032
18568992417,4cyclictest33-21ksoftirqd/222:26:302
18568992417,4cyclictest20023-21tail01:21:082
18568992415,5cyclictest25388-21timedrift01:26:142
1856899241,3cyclictest121rcu_preempt03:04:062
18568992413,8cyclictest8940-21sh00:05:412
106891240,1ptp4l401ktimersoftd/323:30:573
106891240,1ptp4l401ktimersoftd/323:00:563
189842230,2sleep20-21swapper/202:26:102
18568992318,3cyclictest33-21ksoftirqd/222:09:042
18568992318,3cyclictest33-21ksoftirqd/221:45:592
18568992317,3cyclictest33-21ksoftirqd/223:10:302
18568992317,3cyclictest33-21ksoftirqd/223:00:062
18568992317,3cyclictest33-21ksoftirqd/222:44:592
18568992317,3cyclictest33-21ksoftirqd/201:36:052
18568992317,3cyclictest33-21ksoftirqd/201:33:012
18568992316,4cyclictest33-21ksoftirqd/221:54:382
18568992316,4cyclictest33-21ksoftirqd/202:45:062
18568992315,4cyclictest16550-21/usr/sbin/munin00:46:072
18568992315,4cyclictest16550-21/usr/sbin/munin00:46:072
106891230,1ptp4l401ktimersoftd/323:28:073
106891230,1ptp4l401ktimersoftd/323:11:023
106891230,1ptp4l401ktimersoftd/323:11:023
106891230,1ptp4l401ktimersoftd/322:10:563
18568992216,3cyclictest5236-21cut23:21:012
18568992216,3cyclictest33-21ksoftirqd/222:40:142
18568992216,3cyclictest33-21ksoftirqd/200:06:022
18568992216,3cyclictest13708-21/usr/sbin/munin01:16:142
18568992215,4cyclictest33-21ksoftirqd/222:32:442
18568992215,4cyclictest33-21ksoftirqd/202:18:242
18568992215,4cyclictest3282-21switchtime00:31:142
1856899219,5cyclictest0-21swapper/222:50:572
18568992115,4cyclictest18952-21tr21:35:572
18568992115,3cyclictest33-21ksoftirqd/223:45:232
18568992115,3cyclictest20548-21kworker/2:123:25:582
18568992114,4cyclictest33-21ksoftirqd/201:42:422
18568992114,4cyclictest20548-21kworker/2:100:36:012
18568992113,4cyclictest32201-21irqrtprio01:01:062
1856899211,17cyclictest14677-21sed02:21:202
18568992015,3cyclictest33-21ksoftirqd/201:06:032
18568992014,3cyclictest3934-21sh00:00:372
18568992014,3cyclictest23361-21sh01:57:322
18568992014,3cyclictest11516-21sh00:40:522
18568992014,3cyclictest11516-21sh00:40:522
18568992013,4cyclictest33-21ksoftirqd/222:22:202
18568992013,4cyclictest31004-21sh23:54:542
18568992013,4cyclictest24930-21sh00:21:052
18568991914,3cyclictest31403-21apt-config22:00:442
18568991913,4cyclictest33-21ksoftirqd/200:11:062
18568991912,4cyclictest33-21ksoftirqd/223:14:032
18568991912,4cyclictest33-21ksoftirqd/223:14:032
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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