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2026-03-22 - 08:13
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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 Sun Mar 22, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911810,5ptp4l401ktimersoftd/320:03:283
2323821790,5sleep31992299cyclictest00:25:313
1710921430,3sleep21991699cyclictest00:20:122
232782850,18sleep10-21swapper/120:10:191
106891790,1ptp4l401ktimersoftd/300:49:293
106891700,1ptp4l401ktimersoftd/323:35:143
30122680,6sleep13006-21fschecks_count00:05:261
118462650,4sleep31992299cyclictest01:20:273
196292645,10sleep00-21swapper/020:02:510
183632640,12sleep10-21swapper/120:00:251
271482600,5sleep01990599cyclictest23:24:370
106891580,1ptp4l401ktimersoftd/322:46:323
106891560,1ptp4l401ktimersoftd/301:04:173
7482550,5sleep31992299cyclictest01:09:313
196842550,2sleep20-21swapper/222:10:282
195942554,38sleep20-21swapper/220:02:252
75742540,4sleep341-21ksoftirqd/322:30:363
280912540,1sleep20-21swapper/201:04:082
1991699546,18cyclictest31545-21grep21:35:182
1991699545,13cyclictest3165-21/usr/sbin/munin23:00:312
19916995411,11cyclictest2907-21threads21:40:342
19916995411,11cyclictest2907-21threads21:40:342
19916995410,10cyclictest15340-21tr23:45:252
106891540,1ptp4l401ktimersoftd/322:04:153
106891530,1ptp4l401ktimersoftd/323:03:283
1991699525,13cyclictest1853-21ssh01:10:282
1991699516,17cyclictest29901-21/usr/sbin/munin00:00:322
1991699515,13cyclictest9228-21date23:39:042
1991699514,12cyclictest15911-21ssh23:12:202
1991699508,7cyclictest204342sh01:29:242
1991699507,12cyclictest17563-21/usr/sbin/munin21:05:252
106891490,2ptp4l1388-21kworker/3:223:16:353
106891480,0ptp4l401ktimersoftd/321:56:373
1991699474,13cyclictest23246-21grep20:10:192
106891470,1ptp4l401ktimersoftd/320:29:143
106891470,0ptp4l401ktimersoftd/322:57:433
1991699464,13cyclictest9457-21ssh23:05:322
1991699464,11cyclictest20102-21acpi20:05:172
1991699440,10cyclictest1474-21smartctl22:25:242
106891440,1ptp4l401ktimersoftd/321:30:143
106891430,1ptp4l401ktimersoftd/320:56:133
106891410,1ptp4l401ktimersoftd/321:10:283
106891400,2ptp4l9246-21kworker/3:023:44:003
106891400,1ptp4l401ktimersoftd/300:34:473
1991699399,12cyclictest5160-21/usr/sbin/munin00:40:292
106891390,1ptp4l401ktimersoftd/322:18:203
106891380,1ptp4l401ktimersoftd/323:48:283
106891380,1ptp4l401ktimersoftd/323:06:373
106891380,1ptp4l401ktimersoftd/301:27:493
106891380,1ptp4l401ktimersoftd/300:08:513
106891380,0ptp4l401ktimersoftd/322:41:123
4772370,5sleep2474-21ssh23:30:262
1991699379,13cyclictest28642-21ssh22:52:192
106891370,1ptp4l401ktimersoftd/323:26:533
106891370,1ptp4l401ktimersoftd/323:26:533
106891370,1ptp4l401ktimersoftd/323:23:093
106891370,1ptp4l401ktimersoftd/322:07:223
106891370,1ptp4l401ktimersoftd/301:34:183
106891370,1ptp4l401ktimersoftd/301:13:123
106891370,1ptp4l401ktimersoftd/300:58:043
106891370,1ptp4l401ktimersoftd/300:43:503
106891370,1ptp4l401ktimersoftd/300:35:363
106891370,1ptp4l401ktimersoftd/300:13:073
106891370,0ptp4l401ktimersoftd/322:36:303
106891370,0ptp4l401ktimersoftd/300:51:563
106891370,0ptp4l401ktimersoftd/300:15:553
1991699369,13cyclictest29145-21ssh01:05:262
19910993630,3cyclictest25-21ksoftirqd/123:45:111
19910993630,3cyclictest25-21ksoftirqd/123:15:101
106891360,1ptp4l401ktimersoftd/323:13:203
106891360,1ptp4l401ktimersoftd/322:29:023
106891360,1ptp4l401ktimersoftd/320:14:203
106891360,0ptp4l401ktimersoftd/320:51:463
1991699356,17cyclictest23808-21runrttasks01:31:502
106891350,1ptp4l401ktimersoftd/321:05:293
106891350,1ptp4l401ktimersoftd/301:16:203
1991699346,14cyclictest17902-21perl00:20:272
106891340,2ptp4l15061-21kworker/3:122:13:473
106891340,2ptp4l14821-21kworker/3:223:52:263
1991699336,17cyclictest9838-21ssh01:17:562
156102330,2sleep10-21swapper/122:05:491
106891330,2ptp4l27943-21kworker/3:123:30:483
106891330,10ptp4l401ktimersoftd/322:23:203
19910993227,3cyclictest25-21ksoftirqd/123:35:111
19910993225,3cyclictest25-21ksoftirqd/100:20:231
106891320,1ptp4l401ktimersoftd/321:45:593
106891320,1ptp4l401ktimersoftd/321:44:323
106891320,1ptp4l401ktimersoftd/321:44:323
106891320,1ptp4l401ktimersoftd/300:20:213
106891320,0ptp4l401ktimersoftd/323:56:483
1991699318,9cyclictest16908-21irqstats22:40:292
1991699317,9cyclictest24995-21snmp_o5powerctl22:15:352
1991699313,9cyclictest8676-21ssh22:32:162
1991699313,11cyclictest0-21swapper/220:20:342
1991699313,11cyclictest0-21swapper/200:34:072
1991699313,10cyclictest31462-21ssh22:22:372
1991099312,23cyclictest0-21swapper/123:45:231
19905993117,6cyclictest101ktimersoftd/021:30:210
106891310,1ptp4l401ktimersoftd/320:45:243
106891310,1ptp4l401ktimersoftd/320:19:523
1991699308,19cyclictest23645-21proc_pri00:25:342
1991699307,19cyclictest0-21swapper/221:30:212
1991699307,10cyclictest337-21runrttasks20:30:092
19916993018,6cyclictest20136-21apt-get23:50:222
106891300,1ptp4l401ktimersoftd/320:31:373
106891300,0ptp4l401ktimersoftd/321:37:123
19916992917,6cyclictest3845-21apt-get21:45:192
19916992917,6cyclictest25585-21apt-get20:15:172
19910992924,3cyclictest25-21ksoftirqd/100:50:121
19910992923,3cyclictest25-21ksoftirqd/123:35:231
19910992923,3cyclictest25-21ksoftirqd/120:55:071
19910992917,7cyclictest0-21swapper/100:50:231
106891290,1ptp4l401ktimersoftd/320:41:263
106891290,0ptp4l401ktimersoftd/321:50:173
1991699289,16cyclictest13205-21cat22:05:092
1991699288,17cyclictest20785-21python21:10:302
1991699286,19cyclictest6362-21cut20:40:282
19916992815,6cyclictest8597-21apt-get21:55:202
19916992814,8cyclictest12346-21apt-get20:55:212
1991099287,14cyclictest25819-21ssh22:50:221
19910992822,3cyclictest25-21ksoftirqd/122:40:101
19910992817,6cyclictest25-21ksoftirqd/122:55:231
106891280,0ptp4l401ktimersoftd/321:18:153
1991699279,15cyclictest30462-21sh23:26:542
1991699279,15cyclictest30462-21sh23:26:542
1991699279,15cyclictest21323-21/usr/sbin/munin22:45:252
1991699277,17cyclictest644-21dbus-daemon21:20:312
19916992714,8cyclictest19203-21ssh00:55:232
19916992714,6cyclictest7611-21apt-get00:10:232
1991099275,15cyclictest29133-21ssh01:05:251
19910992722,3cyclictest25-21ksoftirqd/122:40:231
19910992722,3cyclictest25-21ksoftirqd/122:30:371
19910992722,3cyclictest25-21ksoftirqd/121:35:081
19910992722,3cyclictest25-21ksoftirqd/101:15:131
19910992721,3cyclictest30405-21cpuspeed_turbos20:25:191
19910992720,4cyclictest25-21ksoftirqd/122:10:261
1990599273,3cyclictest121rcu_preempt22:12:110
19905992720,4cyclictest9-21ksoftirqd/022:02:590
19916992612,10cyclictest0-21swapper/221:15:182
19916992612,10cyclictest0-21swapper/220:35:182
19916992612,10cyclictest0-21swapper/201:20:252
19916992612,10cyclictest0-21swapper/200:05:222
19910992621,3cyclictest25-21ksoftirqd/121:15:071
19910992620,3cyclictest25-21ksoftirqd/123:20:101
19910992620,3cyclictest25-21ksoftirqd/122:05:091
19910992620,3cyclictest25-21ksoftirqd/121:20:211
19910992615,6cyclictest25-21ksoftirqd/122:25:191
19905992619,4cyclictest9-21ksoftirqd/020:40:490
1990599261,3cyclictest121rcu_preempt00:50:240
120132260,8sleep0101ktimersoftd/023:09:040
106891260,1ptp4l401ktimersoftd/322:52:003
106891260,1ptp4l401ktimersoftd/321:00:293
292972250,2sleep30-21swapper/320:20:343
19922992518,4cyclictest41-21ksoftirqd/320:37:313
1991699259,13cyclictest29518-21rm00:00:052
1991699255,17cyclictest0-21swapper/223:42:272
19916992521,3cyclictest33-21ksoftirqd/223:15:232
19916992519,4cyclictest33-21ksoftirqd/221:50:212
19916992515,6cyclictest13034-21apt-get22:05:122
19910992520,3cyclictest25-21ksoftirqd/122:20:381
19910992518,4cyclictest25-21ksoftirqd/121:08:441
19905992520,3cyclictest9-21ksoftirqd/023:35:410
19905992520,3cyclictest9-21ksoftirqd/022:40:110
19905992520,3cyclictest9-21ksoftirqd/020:19:010
19905992519,3cyclictest9-21ksoftirqd/020:53:060
19905992519,3cyclictest9-21ksoftirqd/020:29:260
19905992518,4cyclictest9-21ksoftirqd/021:27:300
19905992518,4cyclictest9-21ksoftirqd/020:37:320
19905992517,5cyclictest13403-21tail20:55:280
1991699248,13cyclictest16150-21users00:50:432
1991699244,17cyclictest0-21swapper/222:35:232
19916992417,4cyclictest33-21ksoftirqd/220:47:012
19916992415,5cyclictest13029-21diskmemload00:45:242
19916992412,8cyclictest31653-21snmp_o5powerctl20:25:302
19916992411,10cyclictest4218-21awk00:40:132
19916992410,9cyclictest0-21swapper/221:00:202
19910992420,3cyclictest25-21ksoftirqd/100:25:341
19910992419,3cyclictest25-21ksoftirqd/123:56:021
19910992419,3cyclictest25-21ksoftirqd/123:00:341
19910992419,3cyclictest25-21ksoftirqd/122:15:221
19910992419,3cyclictest25-21ksoftirqd/121:55:261
19910992419,3cyclictest25-21ksoftirqd/100:40:311
19910992418,3cyclictest25-21ksoftirqd/100:00:281
19910992417,4cyclictest25-21ksoftirqd/101:04:481
1991099240,21cyclictest15285-21if_ens321:00:261
1990599242,13cyclictest13029-21diskmemload23:55:230
19905992419,3cyclictest9-21ksoftirqd/023:25:300
19905992419,3cyclictest9-21ksoftirqd/023:25:300
19905992418,3cyclictest9-21ksoftirqd/022:58:440
19905992417,4cyclictest13705-21needreboot00:15:330
106891240,1ptp4l401ktimersoftd/321:25:223
106891240,1ptp4l401ktimersoftd/321:20:233
106891240,1ptp4l401ktimersoftd/320:05:183
106891240,1ptp4l401ktimersoftd/300:00:183
1991699237,13cyclictest23185-21ssh23:20:252
1991699236,13cyclictest13029-21diskmemload22:55:132
19916992317,3cyclictest33-21ksoftirqd/221:25:392
19916992317,3cyclictest33-21ksoftirqd/220:50:172
19910992318,3cyclictest25-21ksoftirqd/123:05:361
19910992318,3cyclictest25-21ksoftirqd/101:30:431
19910992318,3cyclictest25-21ksoftirqd/101:25:291
19910992318,3cyclictest25-21ksoftirqd/101:20:261
19910992318,3cyclictest25-21ksoftirqd/100:30:281
19910992317,3cyclictest25-21ksoftirqd/121:49:181
19910992317,3cyclictest25-21ksoftirqd/100:55:301
19910992316,4cyclictest25-21ksoftirqd/120:45:071
19910992316,4cyclictest14386-21head00:15:411
19910992314,6cyclictest21333-21phc2sys23:50:321
19910992313,7cyclictest25178-21ssh23:21:171
19910992312,5cyclictest25-21ksoftirqd/120:30:191
1990599233,11cyclictest10823-21ssh22:35:210
1990599232,11cyclictest1582-21ssh01:10:250
19905992317,3cyclictest9-21ksoftirqd/000:05:170
19905992316,4cyclictest9-21ksoftirqd/023:03:090
19905992316,4cyclictest9-21ksoftirqd/021:57:450
19910992217,3cyclictest25-21ksoftirqd/101:15:271
19910992217,3cyclictest25-21ksoftirqd/100:36:261
19910992217,3cyclictest25-21ksoftirqd/100:10:351
19910992216,4cyclictest25-21ksoftirqd/121:39:231
19910992216,4cyclictest25-21ksoftirqd/120:46:561
1991099221,18cyclictest28397-21grep20:20:231
19905992217,3cyclictest9-21ksoftirqd/022:15:250
19905992217,3cyclictest9-21ksoftirqd/001:35:130
19905992217,3cyclictest9-21ksoftirqd/001:30:130
19905992216,3cyclictest9-21ksoftirqd/021:47:220
19905992216,3cyclictest9-21ksoftirqd/021:38:010
19905992216,3cyclictest9-21ksoftirqd/021:20:110
19905992214,4cyclictest13029-21diskmemload23:45:110
1990599221,18cyclictest21464-21ssh22:45:260
1991099212,16cyclictest3222-21grep20:35:221
1991099212,11cyclictest27896-21ssh23:25:231
1991099212,11cyclictest27896-21ssh23:25:231
19910992116,3cyclictest25-21ksoftirqd/122:45:281
19910992116,3cyclictest25-21ksoftirqd/121:54:211
19910992114,4cyclictest12438-21cut20:55:211
1990599219,10cyclictest15412-21cstates23:45:250
1990599212,16cyclictest19539-21grep00:55:270
19905992116,3cyclictest9-21ksoftirqd/021:19:510
19905992116,3cyclictest9-21ksoftirqd/021:08:390
19905992116,3cyclictest9-21ksoftirqd/021:02:450
19905992116,3cyclictest9-21ksoftirqd/020:47:160
19905992116,3cyclictest9-21ksoftirqd/020:10:170
19905992116,3cyclictest9-21ksoftirqd/001:00:250
19905992116,3cyclictest9-21ksoftirqd/000:10:320
19905992115,3cyclictest28378-21/usr/sbin/munin22:20:380
19905992115,3cyclictest27648-21latency_hist20:20:070
19905992115,3cyclictest26282-21gltestperf22:50:260
19905992115,3cyclictest17373-21sh00:20:190
19905992114,4cyclictest13029-21diskmemload23:54:180
19905992114,4cyclictest13029-21diskmemload23:33:470
19905992114,4cyclictest13029-21diskmemload01:09:360
19905992112,7cyclictest9916-21gltestperf00:45:290
1990599211,17cyclictest32379-21apt-get20:30:090
216072200,16sleep00-21swapper/023:18:360
19910992015,3cyclictest25-21ksoftirqd/121:19:561
19910992014,3cyclictest3008-21timerwakeupswit21:40:351
19910992014,3cyclictest3008-21timerwakeupswit21:40:351
19910992013,4cyclictest26495-21/usr/sbin/munin21:25:211
19910992013,4cyclictest20837-21cut20:05:251
19905992015,3cyclictest13238-21timerwakeupswit01:20:420
19905992014,3cyclictest8203-21switchtime01:15:410
19905992014,3cyclictest13029-21diskmemload23:12:180
19905992014,3cyclictest13029-21diskmemload22:30:590
19905992014,3cyclictest13029-21diskmemload22:26:550
19905992014,3cyclictest13029-21diskmemload00:35:440
19905992014,3cyclictest13029-21diskmemload00:31:270
19905992014,3cyclictest13029-21diskmemload00:01:440
19905992013,4cyclictest9-21ksoftirqd/021:10:520
19905992013,4cyclictest7189-21load21:50:290
19905992013,4cyclictest4573-21basename00:40:240
1990599201,16cyclictest13650-21apt-get22:05:210
19910991913,3cyclictest25-21ksoftirqd/120:20:071
19905991914,3cyclictest13029-21diskmemload00:25:380
19905991913,3cyclictest9-21ksoftirqd/020:08:570
19905991812,3cyclictest1793-21fschecks_count21:40:220
19905991812,3cyclictest1793-21fschecks_count21:40:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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