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2026-06-25 - 06:25
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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 Thu Jun 25, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
159621490,5sleep31880999cyclictest01:32:473
943121470,4sleep11879999cyclictest01:39:551
2102221460,3sleep01879599cyclictest01:18:060
2894221360,3sleep31880999cyclictest23:47:523
106891970,4ptp4l401ktimersoftd/320:55:113
164222760,3sleep1241ktimersoftd/101:47:581
169642660,5sleep01879599cyclictest02:21:100
256972560,4sleep31880999cyclictest00:49:553
162462560,2sleep216247-21sh23:02:022
236682540,2sleep20-21swapper/200:14:092
171962530,2sleep30-21swapper/300:42:043
64612520,2sleep20-21swapper/222:43:072
58682510,2sleep10-21swapper/102:08:461
143291480,4getstats1880999cyclictest02:26:463
1879599464,18cyclictest6041-21tail23:23:110
210802450,3sleep125-21ksoftirqd/102:24:521
18799994431,6cyclictest25-21ksoftirqd/121:57:511
1880999437,8cyclictest27826-21snmp_o5powerctl01:58:083
18809994112,13cyclictest29220-21chrt23:13:593
106891400,1ptp4l401ktimersoftd/300:28:063
106891390,1ptp4l401ktimersoftd/323:09:063
106891380,1ptp4l401ktimersoftd/301:56:233
106891380,1ptp4l401ktimersoftd/300:00:393
1880999375,11cyclictest19542-21ssh23:04:163
18809993711,9cyclictest32582-21apt-get00:57:543
18795993715,3cyclictest9-21ksoftirqd/021:55:030
106891370,1ptp4l401ktimersoftd/323:56:173
106891370,1ptp4l401ktimersoftd/323:33:553
106891370,1ptp4l401ktimersoftd/323:28:093
106891370,1ptp4l401ktimersoftd/323:00:153
106891370,1ptp4l401ktimersoftd/322:51:283
106891370,1ptp4l401ktimersoftd/322:15:473
106891370,1ptp4l401ktimersoftd/302:18:553
106891370,1ptp4l401ktimersoftd/302:09:513
106891370,1ptp4l401ktimersoftd/302:03:573
106891370,1ptp4l401ktimersoftd/301:49:013
106891370,1ptp4l401ktimersoftd/301:42:493
106891370,1ptp4l401ktimersoftd/301:31:523
106891370,1ptp4l401ktimersoftd/301:20:513
106891370,1ptp4l401ktimersoftd/301:05:343
106891370,1ptp4l401ktimersoftd/301:05:343
106891370,1ptp4l401ktimersoftd/300:55:443
106891370,1ptp4l401ktimersoftd/300:26:123
106891370,1ptp4l401ktimersoftd/300:06:473
106891370,0ptp4l401ktimersoftd/323:38:193
1880999368,16cyclictest4818-21/usr/sbin/munin22:43:063
18795993614,3cyclictest9-21ksoftirqd/021:32:470
18795993614,3cyclictest9-21ksoftirqd/021:32:470
106891360,1ptp4l401ktimersoftd/323:44:053
106891360,1ptp4l401ktimersoftd/302:13:183
106891360,1ptp4l401ktimersoftd/301:41:393
106891360,1ptp4l401ktimersoftd/301:16:083
106891360,1ptp4l401ktimersoftd/300:34:113
106891360,1ptp4l401ktimersoftd/300:17:493
106891360,0ptp4l401ktimersoftd/322:18:123
1879599358,3cyclictest0-21swapper/021:02:540
106891350,1ptp4l401ktimersoftd/300:46:393
106891350,1ptp4l401ktimersoftd/300:17:103
106891350,0ptp4l401ktimersoftd/321:39:023
1880499343,6cyclictest121rcu_preempt00:38:032
18799993428,3cyclictest25-21ksoftirqd/100:27:431
18799993424,4cyclictest25-21ksoftirqd/100:27:531
1880999339,8cyclictest830-21snmp_o5powerctl23:18:073
1880999338,14cyclictest4282-21apt-get23:22:533
1879599336,6cyclictest13604-21gltestperf00:38:000
106891330,1ptp4l401ktimersoftd/300:10:113
18809993218,7cyclictest26843-21apt-get21:12:503
1880499323,4cyclictest121rcu_preempt01:19:222
18799993224,3cyclictest25-21ksoftirqd/102:12:581
18799993126,3cyclictest25-21ksoftirqd/122:57:571
18799993124,5cyclictest25-21ksoftirqd/101:07:541
18799993124,5cyclictest25-21ksoftirqd/101:07:541
18804993025,3cyclictest33-21ksoftirqd/200:27:432
18804993018,5cyclictest321ktimersoftd/223:22:532
18799993025,3cyclictest25-21ksoftirqd/100:42:421
18799993024,3cyclictest25-21ksoftirqd/123:23:001
18799993024,3cyclictest25-21ksoftirqd/100:18:011
18799993024,3cyclictest25-21ksoftirqd/100:12:421
18799993017,6cyclictest25-21ksoftirqd/101:22:561
1866123011,8sleep00-21swapper/020:57:150
184192309,11sleep125-21ksoftirqd/120:54:051
18809992918,6cyclictest1544-21apt-get21:27:503
18809992915,7cyclictest19057-21apt-get20:57:503
18809992915,10cyclictest11702-21users01:08:113
18809992915,10cyclictest11702-21users01:08:113
18809992911,15cyclictest25575-21needreboot01:23:043
18809992911,14cyclictest13363-21bc21:52:493
18809992910,16cyclictest0-21swapper/322:27:403
18799992924,3cyclictest25-21ksoftirqd/123:07:571
18799992923,3cyclictest25-21ksoftirqd/102:17:591
18799992923,3cyclictest25-21ksoftirqd/101:22:441
18799992923,3cyclictest25-21ksoftirqd/101:07:431
18799992923,3cyclictest25-21ksoftirqd/101:07:431
18799992922,4cyclictest25-21ksoftirqd/123:47:591
18799992920,4cyclictest25-21ksoftirqd/101:12:541
18795992911,15cyclictest20880-21latency_hist00:12:430
174852295,10sleep20-21swapper/220:52:572
158522290,2sleep10-21swapper/100:07:291
106891290,1ptp4l401ktimersoftd/322:03:083
299472288,5sleep233-21ksoftirqd/200:53:522
2037222821,3sleep09-21ksoftirqd/001:52:000
1880999288,11cyclictest106891ptp4l21:08:033
18809992822,3cyclictest4585-21cron22:42:413
18809992815,9cyclictest0-21swapper/321:47:503
18809992811,14cyclictest20442-21/usr/sbin/munin22:07:593
1880499283,15cyclictest17056-21ssh23:02:542
18804992821,4cyclictest33-21ksoftirqd/201:06:122
18804992821,4cyclictest33-21ksoftirqd/201:06:122
18799992823,3cyclictest25-21ksoftirqd/123:17:591
18799992823,3cyclictest25-21ksoftirqd/100:57:431
18799992822,3cyclictest25-21ksoftirqd/123:38:001
18799992822,3cyclictest25-21ksoftirqd/102:03:011
106891280,1ptp4l401ktimersoftd/321:43:063
18809992714,9cyclictest2230-21turbostat22:37:403
18809992714,9cyclictest17205-21cat21:58:083
18809992711,13cyclictest30930-21chrt21:18:213
18804992721,3cyclictest33-21ksoftirqd/223:52:042
18804992721,3cyclictest33-21ksoftirqd/223:19:392
18804992721,3cyclictest33-21ksoftirqd/222:17:042
18799992722,3cyclictest25-21ksoftirqd/122:12:401
18799992721,3cyclictest25-21ksoftirqd/122:53:091
18799992721,3cyclictest25-21ksoftirqd/121:07:531
18799992721,3cyclictest25-21ksoftirqd/100:47:591
18799992720,4cyclictest25-21ksoftirqd/101:52:551
18809992615,8cyclictest5477-21sed21:33:073
18809992615,8cyclictest5477-21sed21:33:073
18809992614,9cyclictest30377-21ls22:27:543
18809992614,8cyclictest31826-21taskset21:22:543
18809992614,8cyclictest21667-21munin-node21:02:413
18809992614,8cyclictest10040-21tr22:52:563
18804992620,3cyclictest33-21ksoftirqd/223:37:372
18804992620,3cyclictest33-21ksoftirqd/222:52:512
18804992620,3cyclictest33-21ksoftirqd/220:58:592
18804992619,4cyclictest33-21ksoftirqd/221:23:542
18799992621,3cyclictest25-21ksoftirqd/122:07:401
18799992621,3cyclictest25-21ksoftirqd/100:58:021
18799992620,3cyclictest25-21ksoftirqd/122:27:591
18799992620,3cyclictest25-21ksoftirqd/122:22:401
18799992619,4cyclictest25-21ksoftirqd/122:22:551
18799992619,4cyclictest14809-21grep23:32:581
18799992613,6cyclictest25-21ksoftirqd/121:17:511
18795992620,3cyclictest9-21ksoftirqd/023:00:230
18795992619,4cyclictest9-21ksoftirqd/022:21:530
1879599260,3cyclictest121rcu_preempt01:07:550
1879599260,3cyclictest121rcu_preempt01:07:550
18804992520,3cyclictest33-21ksoftirqd/201:11:312
18804992520,3cyclictest33-21ksoftirqd/201:11:312
18804992518,4cyclictest33-21ksoftirqd/222:34:362
18804992518,4cyclictest33-21ksoftirqd/222:25:122
18804992518,4cyclictest33-21ksoftirqd/221:47:022
18804992518,4cyclictest33-21ksoftirqd/221:19:322
18804992518,4cyclictest33-21ksoftirqd/221:16:392
18804992518,4cyclictest33-21ksoftirqd/202:14:292
18804992517,5cyclictest23215-21grep00:47:592
18804992512,10cyclictest16534-21expr01:47:592
18804992511,11cyclictest9371-21cat23:27:532
18799992520,3cyclictest25-21ksoftirqd/123:43:021
18799992520,3cyclictest25-21ksoftirqd/121:07:381
18799992520,3cyclictest25-21ksoftirqd/100:43:021
18799992519,3cyclictest25-21ksoftirqd/122:17:401
18799992519,3cyclictest25-21ksoftirqd/121:52:561
18799992518,4cyclictest25-21ksoftirqd/121:14:051
18795992519,3cyclictest9-21ksoftirqd/023:03:390
18795992519,3cyclictest9-21ksoftirqd/022:12:500
18795992519,3cyclictest9-21ksoftirqd/021:44:310
18795992519,3cyclictest9-21ksoftirqd/001:29:140
18795992518,4cyclictest9-21ksoftirqd/022:46:060
18795992518,4cyclictest9-21ksoftirqd/021:15:170
18804992420,3cyclictest33-21ksoftirqd/222:40:352
18804992419,3cyclictest33-21ksoftirqd/223:12:562
18804992418,3cyclictest33-21ksoftirqd/202:23:532
18804992418,3cyclictest33-21ksoftirqd/202:19:552
18804992417,4cyclictest33-21ksoftirqd/222:10:112
18804992417,4cyclictest33-21ksoftirqd/221:53:372
18804992417,4cyclictest33-21ksoftirqd/221:42:212
18804992417,4cyclictest33-21ksoftirqd/221:29:482
18804992417,4cyclictest33-21ksoftirqd/201:34:222
1879999243,18cyclictest26876-21tail01:58:011
18799992419,3cyclictest25-21ksoftirqd/123:28:001
18799992419,3cyclictest25-21ksoftirqd/123:07:411
18799992419,3cyclictest25-21ksoftirqd/122:32:521
18799992419,3cyclictest25-21ksoftirqd/100:33:001
18799992419,3cyclictest25-21ksoftirqd/100:13:121
18799992418,3cyclictest25-21ksoftirqd/122:42:571
18799992418,3cyclictest25-21ksoftirqd/121:37:391
18799992418,3cyclictest25-21ksoftirqd/121:37:391
18795992419,3cyclictest9-21ksoftirqd/023:34:000
18795992418,3cyclictest9-21ksoftirqd/002:03:010
18795992417,4cyclictest9-21ksoftirqd/021:52:140
18795992417,4cyclictest22705-21latency_hist22:12:400
1128922417,3sleep09-21ksoftirqd/002:14:440
18804992319,3cyclictest33-21ksoftirqd/223:52:532
18804992318,3cyclictest33-21ksoftirqd/223:44:082
18804992318,3cyclictest33-21ksoftirqd/201:46:192
18804992317,3cyclictest33-21ksoftirqd/222:32:212
18804992317,3cyclictest33-21ksoftirqd/202:06:302
18804992317,3cyclictest33-21ksoftirqd/201:00:522
18804992317,3cyclictest33-21ksoftirqd/200:47:432
18804992317,3cyclictest33-21ksoftirqd/200:17:582
18804992316,4cyclictest15028-21diskstats01:12:572
18799992318,3cyclictest25-21ksoftirqd/121:41:141
18799992316,4cyclictest6922-21fschecks_count23:57:581
18799992316,4cyclictest25-21ksoftirqd/101:28:021
18799992316,4cyclictest20711-21head20:58:061
1879599233,10cyclictest26123-21ssh00:17:530
18795992317,3cyclictest9-21ksoftirqd/022:33:580
18795992317,3cyclictest9-21ksoftirqd/022:07:120
18795992316,4cyclictest32239-21grep23:17:570
1879599231,5cyclictest11242-21ssh00:35:080
1880499223,16cyclictest22452-21grep21:02:542
18804992217,3cyclictest33-21ksoftirqd/200:08:012
18804992217,3cyclictest33-21ksoftirqd/200:03:012
18804992215,4cyclictest33-21ksoftirqd/222:22:272
18799992217,3cyclictest25-21ksoftirqd/123:52:591
18799992217,3cyclictest25-21ksoftirqd/123:12:591
18799992217,3cyclictest25-21ksoftirqd/122:47:551
18799992217,3cyclictest25-21ksoftirqd/122:37:591
18799992215,4cyclictest1873-21grep01:32:581
18795992216,3cyclictest9-21ksoftirqd/023:28:180
18795992216,3cyclictest9-21ksoftirqd/022:42:040
18795992216,3cyclictest9-21ksoftirqd/022:00:000
18795992216,3cyclictest9-21ksoftirqd/021:39:440
18795992216,3cyclictest9-21ksoftirqd/000:57:550
18795992215,4cyclictest4774-21find00:28:040
1879599221,19cyclictest0-21swapper/002:08:140
1880499218,10cyclictest4825-21missed_timers02:08:052
18804992116,3cyclictest33-21ksoftirqd/201:37:562
18804992115,4cyclictest33-21ksoftirqd/222:48:412
18804992115,4cyclictest33-21ksoftirqd/221:08:322
18804992115,3cyclictest33-21ksoftirqd/200:01:152
18804992114,4cyclictest33-21ksoftirqd/221:48:552
18804992114,4cyclictest26641-21sh01:23:482
18804992114,4cyclictest18047-21/usr/sbin/munin22:03:102
18799992117,3cyclictest25-21ksoftirqd/101:43:011
18799992114,4cyclictest25-21ksoftirqd/121:28:191
1879599213,9cyclictest26882-21ssh23:12:510
18795992116,3cyclictest9-21ksoftirqd/022:30:320
18795992114,4cyclictest8001-21sendmail_mailtr23:58:050
18795992114,4cyclictest1055-21runrttasks01:04:400
18795992114,4cyclictest1055-21runrttasks01:04:400
1879599211,18cyclictest0-21swapper/021:07:550
1879599211,17cyclictest0-21swapper/000:06:310
1879599210,4cyclictest23727-21ssh00:14:150
1879599210,3cyclictest121rcu_preempt23:53:040
18804992014,3cyclictest33-21ksoftirqd/222:02:252
18804992014,3cyclictest33-21ksoftirqd/200:32:352
18804992013,4cyclictest4985-21awk21:32:592
18804992013,4cyclictest4985-21awk21:32:592
18804992013,4cyclictest31848-21sh01:29:242
18804992013,4cyclictest29519-21sh02:00:272
18804992013,4cyclictest24839-21sh23:09:532
18804992013,4cyclictest23115-21sh01:53:202
18799992015,3cyclictest25-21ksoftirqd/121:47:581
18799992015,3cyclictest25-21ksoftirqd/121:47:391
18795992015,3cyclictest9-21ksoftirqd/001:36:370
18795992014,4cyclictest9-21ksoftirqd/000:56:580
18795992014,3cyclictest9-21ksoftirqd/021:32:170
18795992014,3cyclictest31500-21/usr/sbin/munin21:23:030
18795992014,3cyclictest29048-21cpu23:47:550
18795992014,3cyclictest18720-21gltestperf02:23:010
18795992013,4cyclictest9336-21cron22:52:400
18795992013,4cyclictest24826-21fschecks_time01:22:590
18795992013,4cyclictest11709-21diskmemload23:12:320
18795992013,3cyclictest26068-21apt-config01:57:460
1879599201,16cyclictest6633-21ssh01:37:570
1879599201,16cyclictest0-21swapper/000:47:560
1879599200,2cyclictest0-21swapper/002:00:420
18804991913,3cyclictest9947-21timerwakeupswit00:33:112
18804991913,3cyclictest19101-21sh23:37:492
18799991913,3cyclictest31815-21expr21:22:531
18795991913,3cyclictest19626-21fschecks_time23:37:570
18795991913,3cyclictest19277-21expr20:57:510
18795991913,3cyclictest14945-21cat01:12:560
18795991913,3cyclictest11709-21diskmemload00:24:450
18795991913,3cyclictest11695-21expr01:42:560
18795991913,3cyclictest10558-21latency22:53:000
18795991912,4cyclictest18371-21tune2fs00:42:590
18795991812,3cyclictest31295-21ls21:22:380
18795991812,3cyclictest29516-21uptime22:23:090
18795991812,3cyclictest11709-21diskmemload23:43:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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