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2026-05-20 - 09:01
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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 May 20, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2350021720,4sleep01402699cyclictest00:33:090
2444221560,5sleep11403099cyclictest00:01:061
2052321400,3sleep21403599cyclictest00:30:102
106891990,3ptp4l401ktimersoftd/320:35:193
124832730,3sleep20-21swapper/220:33:042
106891700,1ptp4l401ktimersoftd/323:34:313
106891690,1ptp4l401ktimersoftd/322:53:563
120822610,2sleep30-21swapper/322:42:473
137372574,42sleep00-21swapper/020:35:170
106891570,1ptp4l401ktimersoftd/323:23:163
41142560,2sleep00-21swapper/021:22:590
106891560,1ptp4l401ktimersoftd/322:35:183
28672550,3sleep2321ktimersoftd/201:53:052
106891550,1ptp4l401ktimersoftd/323:56:413
98202530,2sleep29821-21ssh01:58:552
117932534,34sleep10-21swapper/120:32:521
177952510,13sleep30-21swapper/300:28:023
106891490,1ptp4l401ktimersoftd/323:50:163
106891480,1ptp4l401ktimersoftd/322:47:583
106891440,1ptp4l401ktimersoftd/322:23:163
1403099403,34cyclictest30839-21sed22:18:031
1402699404,9cyclictest10771-21ssh01:28:040
106891390,1ptp4l401ktimersoftd/323:05:243
1403099383,7cyclictest7663-21apt-get01:58:051
1403099382,5cyclictest28714-21apt-get01:13:031
14030993814,21cyclictest24612-21sh01:08:081
14030993813,22cyclictest22821-21if_ens322:53:041
14030993813,21cyclictest17488-21cstates22:48:011
106891380,1ptp4l401ktimersoftd/323:58:293
106891380,1ptp4l401ktimersoftd/323:47:193
106891380,1ptp4l401ktimersoftd/323:20:373
106891380,1ptp4l401ktimersoftd/323:08:593
106891380,1ptp4l401ktimersoftd/301:44:483
106891380,1ptp4l401ktimersoftd/301:24:103
106891380,1ptp4l401ktimersoftd/301:12:203
106891380,1ptp4l401ktimersoftd/301:05:423
106891380,1ptp4l401ktimersoftd/300:34:583
106891380,1ptp4l401ktimersoftd/300:23:063
106891380,1ptp4l401ktimersoftd/300:14:163
106891380,1ptp4l401ktimersoftd/300:08:143
1403099373,6cyclictest9533-21apt-get23:13:021
14030993712,22cyclictest21669-21sh00:32:091
14030993712,22cyclictest14434-21expr00:58:031
106891370,1ptp4l401ktimersoftd/323:40:243
106891370,1ptp4l401ktimersoftd/323:28:563
106891370,1ptp4l401ktimersoftd/322:58:283
106891370,1ptp4l401ktimersoftd/322:58:283
106891370,1ptp4l401ktimersoftd/302:00:323
106891370,1ptp4l401ktimersoftd/301:55:273
106891370,1ptp4l401ktimersoftd/301:48:103
106891370,1ptp4l401ktimersoftd/301:30:243
106891370,1ptp4l401ktimersoftd/301:20:393
106891370,1ptp4l401ktimersoftd/300:56:473
106891370,1ptp4l401ktimersoftd/300:41:213
106891370,1ptp4l401ktimersoftd/300:41:213
106891370,1ptp4l401ktimersoftd/300:04:593
106891370,0ptp4l401ktimersoftd/322:44:383
106891370,0ptp4l401ktimersoftd/302:07:413
14035993630,3cyclictest33-21ksoftirqd/223:47:492
1403099369,3cyclictest24744-21fschecks_count20:57:591
14030993612,21cyclictest12670-21/usr/sbin/munin00:23:001
14030993610,4cyclictest30806-21cpu00:08:021
106891360,3ptp4l20085-21kworker/3:201:38:263
106891360,0ptp4l401ktimersoftd/300:48:483
1403099358,6cyclictest0-21swapper/101:48:161
1403099357,25cyclictest0-21swapper/101:35:101
1403099353,5cyclictest9391-21apt-get00:53:021
14030993513,19cyclictest4897-21ls22:32:471
14030993512,20cyclictest23437-21sh01:40:111
14030993512,20cyclictest20626-21sh23:57:461
14030993511,4cyclictest14673-21fschecks_time20:38:041
106891350,1ptp4l401ktimersoftd/301:16:373
106891350,10ptp4l401ktimersoftd/320:42:573
14035993428,3cyclictest33-21ksoftirqd/223:07:482
14035993427,4cyclictest33-21ksoftirqd/221:27:452
1403099349,4cyclictest29965-21irqrtprio21:08:031
1403099349,4cyclictest29965-21irqrtprio21:08:031
1403099348,3cyclictest27939-21phc2sys-jitter21:03:071
1403099348,3cyclictest27939-21phc2sys-jitter21:03:071
1403099342,8cyclictest6469-21apt-get21:27:571
1403099342,6cyclictest10768-21apt-get01:28:041
14030993412,19cyclictest19979-21sed23:23:061
1403099341,11cyclictest1990-21sed23:38:051
14030993410,3cyclictest3764-21irqrtprio01:53:101
14030993410,3cyclictest23004-21basename00:33:061
1403099340,31cyclictest15500-21ssh02:05:201
106891340,2ptp4l11019-21kworker/3:021:38:163
106891340,1ptp4l401ktimersoftd/320:58:073
106891340,1ptp4l401ktimersoftd/301:33:163
106891340,1ptp4l401ktimersoftd/301:02:403
106891340,1ptp4l401ktimersoftd/300:18:133
1403099333,8cyclictest11420-21apt-get21:37:591
1403099333,7cyclictest5098-21apt-get22:32:591
1403099332,8cyclictest4658-21apt-get23:08:001
1403099332,6cyclictest29040-21apt-get23:33:011
14030993311,3cyclictest31884-21cut00:42:501
14030993311,3cyclictest31884-21cut00:42:501
1403099330,4cyclictest3838-21/usr/sbin/munin00:13:071
1403099330,10cyclictest12456-21apt-get22:43:011
106891330,1ptp4l401ktimersoftd/322:06:473
1403099328,3cyclictest18714-21cat21:53:001
1403099327,4cyclictest16071-21timerwakeupswit23:18:171
1403099322,6cyclictest9053-21apt-get21:32:581
1403099320,4cyclictest10519-21rm22:40:121
1403099320,11cyclictest0-21swapper/100:46:121
106891320,1ptp4l401ktimersoftd/323:16:263
14035993125,3cyclictest33-21ksoftirqd/222:07:472
1403099317,3cyclictest31513-21bc21:12:561
1403099317,3cyclictest22916-21seq22:02:091
1403099313,8cyclictest28036-21apt-get22:12:581
1403099313,6cyclictest6361-21apt-get23:43:011
1403099311,9cyclictest7868-21rm00:50:551
1403099311,8cyclictest25452-21ssh01:42:561
14030993112,16cyclictest25911-21unixbench_multi23:28:201
14030993111,4cyclictest2931-21uptime01:18:201
14030993111,3cyclictest19066-21sh01:03:031
1403099310,9cyclictest4001-21rm23:07:261
1403099310,9cyclictest10326-21rm00:19:121
1403099310,5cyclictest13492-21rm23:48:421
106891310,1ptp4l401ktimersoftd/322:01:053
106891310,1ptp4l401ktimersoftd/320:53:343
106891310,0ptp4l401ktimersoftd/321:11:133
106891310,0ptp4l401ktimersoftd/321:11:133
1403099307,4cyclictest18431-21cut21:52:471
1403099306,4cyclictest28236-21kernelversion22:58:071
1403099306,4cyclictest28236-21kernelversion22:58:071
106891300,1ptp4l401ktimersoftd/320:50:203
106891300,0ptp4l401ktimersoftd/322:31:223
106891300,0ptp4l401ktimersoftd/321:37:313
228012290,5sleep022799-21ethtool22:53:040
14040992924,3cyclictest41-21ksoftirqd/320:42:453
14035992924,3cyclictest33-21ksoftirqd/201:28:122
14035992924,3cyclictest33-21ksoftirqd/200:27:492
14035992923,3cyclictest33-21ksoftirqd/222:48:062
14035992923,3cyclictest33-21ksoftirqd/222:37:472
14035992923,3cyclictest33-21ksoftirqd/201:52:522
14035992923,3cyclictest33-21ksoftirqd/200:57:512
1403099290,9cyclictest3980-21cpuspeed_turbos21:22:591
1403099290,9cyclictest27884-21rm00:03:461
14035992823,3cyclictest33-21ksoftirqd/223:02:482
14035992823,3cyclictest33-21ksoftirqd/223:02:482
14035992823,3cyclictest33-21ksoftirqd/222:27:462
14035992822,3cyclictest33-21ksoftirqd/222:18:002
14035992822,3cyclictest33-21ksoftirqd/201:42:532
14035992822,3cyclictest33-21ksoftirqd/200:47:052
1403599280,5cyclictest20463-21tr01:03:142
1403099289,3cyclictest7468-21timedrift01:23:171
1403099288,3cyclictest27108-21seq22:08:191
1403099287,4cyclictest233-21systemd-journal21:22:451
106891280,1ptp4l401ktimersoftd/321:54:193
106891280,1ptp4l401ktimersoftd/300:44:283
14040992721,3cyclictest41-21ksoftirqd/322:17:233
14035992721,3cyclictest33-21ksoftirqd/223:58:072
14035992721,3cyclictest33-21ksoftirqd/200:07:502
14035992720,4cyclictest33-21ksoftirqd/220:55:592
14035992720,4cyclictest33-21ksoftirqd/200:15:282
1403599270,3cyclictest121rcu_preempt21:32:462
1403099278,3cyclictest1055-21runrttasks20:46:351
14026992712,12cyclictest8992-21latency_hist00:52:510
14040992619,4cyclictest41-21ksoftirqd/321:31:573
14040992619,4cyclictest41-21ksoftirqd/321:16:073
14035992621,3cyclictest33-21ksoftirqd/200:57:532
14035992621,3cyclictest33-21ksoftirqd/200:48:092
14035992620,3cyclictest33-21ksoftirqd/221:13:042
14035992620,3cyclictest33-21ksoftirqd/201:19:282
14035992619,4cyclictest33-21ksoftirqd/223:37:492
14035992619,4cyclictest33-21ksoftirqd/222:15:202
14035992619,4cyclictest33-21ksoftirqd/220:41:342
14035992619,4cyclictest33-21ksoftirqd/201:38:052
14035992619,4cyclictest15132-21snmp_o5powerctl21:43:112
14026992622,3cyclictest9-21ksoftirqd/001:07:510
14026992619,4cyclictest9-21ksoftirqd/023:23:000
106891260,1ptp4l401ktimersoftd/321:06:023
106891260,1ptp4l401ktimersoftd/321:06:023
106891260,0ptp4l401ktimersoftd/322:08:513
1403599254,14cyclictest14415-21ssh23:18:012
14035992520,3cyclictest33-21ksoftirqd/223:38:152
14035992520,3cyclictest33-21ksoftirqd/223:32:492
14035992520,3cyclictest33-21ksoftirqd/221:48:042
14035992520,3cyclictest33-21ksoftirqd/220:42:472
14035992520,3cyclictest33-21ksoftirqd/201:34:262
14035992520,3cyclictest33-21ksoftirqd/201:08:012
14035992519,3cyclictest33-21ksoftirqd/221:38:012
14035992519,3cyclictest33-21ksoftirqd/202:03:122
14035992518,4cyclictest33-21ksoftirqd/221:09:442
14035992518,4cyclictest33-21ksoftirqd/221:09:442
14030992519,3cyclictest25-21ksoftirqd/120:57:361
1403099250,2cyclictest0-21swapper/121:45:071
14026992519,3cyclictest9-21ksoftirqd/022:34:160
14026992519,3cyclictest11842-21head21:38:040
14026992518,4cyclictest9-21ksoftirqd/021:18:210
106891250,1ptp4l401ktimersoftd/321:48:113
106891250,1ptp4l401ktimersoftd/321:18:043
14040992418,3cyclictest41-21ksoftirqd/322:18:053
1403599242,16cyclictest30798-21ssh00:08:012
14035992418,3cyclictest33-21ksoftirqd/223:23:012
14035992418,3cyclictest33-21ksoftirqd/223:08:072
14035992418,3cyclictest33-21ksoftirqd/222:00:282
14035992418,3cyclictest33-21ksoftirqd/201:23:042
1403099246,4cyclictest21314-21unixbench_multi20:48:121
14030992418,3cyclictest25-21ksoftirqd/122:27:431
14026992419,3cyclictest9-21ksoftirqd/023:01:070
14026992419,3cyclictest9-21ksoftirqd/023:01:070
14026992418,3cyclictest9-21ksoftirqd/020:44:560
14026992418,3cyclictest9-21ksoftirqd/001:37:490
14026992417,4cyclictest9-21ksoftirqd/022:26:380
14026992417,4cyclictest9-21ksoftirqd/022:09:280
106891240,1ptp4l401ktimersoftd/321:43:093
43182230,18sleep00-21swapper/000:13:110
15912230,5sleep01402699cyclictest00:43:250
152072230,19sleep00-21swapper/000:24:230
14035992318,3cyclictest33-21ksoftirqd/221:33:122
14035992318,3cyclictest33-21ksoftirqd/200:33:122
14035992318,3cyclictest33-21ksoftirqd/200:18:082
14035992318,3cyclictest26213-21iwlist22:08:042
14035992317,3cyclictest33-21ksoftirqd/221:02:592
14035992317,3cyclictest33-21ksoftirqd/221:02:592
14035992317,3cyclictest33-21ksoftirqd/201:17:112
14035992316,4cyclictest33-21ksoftirqd/222:30:222
14035992316,4cyclictest33-21ksoftirqd/220:49:292
14026992317,3cyclictest9-21ksoftirqd/021:12:450
14026992317,3cyclictest9-21ksoftirqd/021:12:450
14026992317,3cyclictest9-21ksoftirqd/020:55:320
14026992317,3cyclictest294022sleep001:46:440
14026992316,4cyclictest9-21ksoftirqd/021:37:120
14026992316,4cyclictest9-21ksoftirqd/021:17:210
14026992315,4cyclictest9308-21/usr/sbin/munin00:53:190
1402699231,3cyclictest0-21swapper/001:52:560
1402699231,19cyclictest0-21swapper/002:01:410
130202230,2sleep00-21swapper/023:16:090
106891230,1ptp4l401ktimersoftd/321:23:063
256312220,5sleep01402699cyclictest23:28:170
2517322215,3sleep09-21ksoftirqd/000:02:270
14035992217,3cyclictest33-21ksoftirqd/222:42:472
14035992217,3cyclictest33-21ksoftirqd/221:53:022
14035992216,3cyclictest2709-21/usr/sbin/munin21:18:082
14035992215,4cyclictest33-21ksoftirqd/221:02:212
14026992217,2cyclictest7172-21diskmemload01:20:160
14026992214,4cyclictest12553-21needreboot23:48:100
14026992214,4cyclictest1055-21runrttasks01:08:360
1402699221,19cyclictest0-21swapper/001:52:280
1403599215,3cyclictest121rcu_preempt00:38:122
1403599215,3cyclictest121rcu_preempt00:38:122
14026992117,2cyclictest0-21swapper/001:26:320
14026992115,3cyclictest9-21ksoftirqd/021:05:360
14026992115,3cyclictest9-21ksoftirqd/021:05:360
14026992114,4cyclictest9-21ksoftirqd/022:06:270
14026992114,4cyclictest31289-21cut00:08:060
14026992114,4cyclictest18967-21grep21:53:020
1402699211,3cyclictest8868-21ssh23:44:290
14026992113,4cyclictest7172-21diskmemload00:31:530
1402699211,17cyclictest7172-21diskmemload00:19:260
14035992015,3cyclictest33-21ksoftirqd/223:53:022
14035992015,3cyclictest33-21ksoftirqd/223:48:082
14035992015,3cyclictest33-21ksoftirqd/223:17:282
14035992013,4cyclictest23204-21latency22:53:062
14026992015,3cyclictest9-21ksoftirqd/021:49:490
14026992014,4cyclictest9-21ksoftirqd/022:13:090
14026992014,3cyclictest9-21ksoftirqd/021:45:310
14026992014,3cyclictest9-21ksoftirqd/020:47:530
14026992014,3cyclictest9-21ksoftirqd/020:41:070
1402699201,3cyclictest4278-21ssh23:39:570
1402699201,3cyclictest12735-21df_inode22:43:040
14026992013,4cyclictest7172-21diskmemload22:50:250
14026992013,4cyclictest7172-21diskmemload00:40:540
14026992013,4cyclictest7172-21diskmemload00:40:540
14026992013,4cyclictest6392-21/usr/sbin/munin21:27:580
14026992013,4cyclictest3375-21irqrtprio22:28:050
14026992013,4cyclictest31412-21wc22:18:070
14026992013,4cyclictest25087-21sed20:58:020
14026992013,4cyclictest15973-21tail00:58:190
14026992013,4cyclictest1055-21runrttasks01:39:470
14026992012,5cyclictest415-21irqrtprio23:03:060
1402699201,17cyclictest0-21swapper/023:54:340
1402699201,17cyclictest0-21swapper/001:13:230
1402699201,17cyclictest0-21swapper/000:05:180
1402699201,16cyclictest0-21swapper/023:37:490
1402699200,3cyclictest121rcu_preempt02:03:480
85112190,5sleep01402699cyclictest22:38:060
14035991913,3cyclictest15236-21sh22:44:562
14030991914,3cyclictest25-21ksoftirqd/122:03:311
14026991913,3cyclictest7172-21diskmemload23:09:530
14026991913,3cyclictest22184-21sendmail_mailst21:58:100
14026991912,4cyclictest7172-21diskmemload23:17:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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