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2025-06-19 - 08:48
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of all highest latencies:
System rackcslot4.osadl.org (updated Thu Jun 19, 2025 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
53862268194,59sleep00-21swapper/019:09:580
50042263190,58sleep10-21swapper/119:05:531
55229913536,79cyclictest120815-21expr22:40:161
125899700,4rtkit-daemon1257-21rtkit-daemon19:26:151
125899650,4rtkit-daemon1257-21rtkit-daemon21:37:531
323322620,4sleep132327-21grep20:15:211
125899620,5rtkit-daemon1257-21rtkit-daemon22:31:230
125899600,3rtkit-daemon0-21swapper/023:46:121
125899570,4rtkit-daemon1257-21rtkit-daemon00:18:461
125899560,4rtkit-daemon1257-21rtkit-daemon21:54:211
1004922550,4sleep10-21swapper/122:11:071
125899530,4rtkit-daemon1257-21rtkit-daemon23:44:330
125899530,4rtkit-daemon1257-21rtkit-daemon21:28:430
1753862520,2sleep1175388-21rm23:54:571
125899520,4rtkit-daemon1257-21rtkit-daemon19:49:541
125899520,3rtkit-daemon1257-21rtkit-daemon21:56:371
125899510,4rtkit-daemon1257-21rtkit-daemon23:46:060
125899510,3rtkit-daemon1257-21rtkit-daemon20:00:411
125899500,3rtkit-daemon1257-21rtkit-daemon21:13:410
125899490,4rtkit-daemon1257-21rtkit-daemon22:53:170
125899490,4rtkit-daemon1257-21rtkit-daemon22:44:280
125899410,5rtkit-daemon53863-21diskmemload21:49:130
125899400,6rtkit-daemon124555-21df_inode22:45:171
125899390,7rtkit-daemon185935-21rm00:09:110
125899390,5rtkit-daemon1257-21rtkit-daemon21:34:330
125899390,3rtkit-daemon0-21swapper/122:04:181
125899390,3rtkit-daemon0-21swapper/121:42:211
125899370,6rtkit-daemon0-21swapper/122:18:400
125899370,4rtkit-daemon127946-21apt-get22:50:121
125899370,4rtkit-daemon1257-21rtkit-daemon22:28:291
125899370,3rtkit-daemon0-21swapper/121:08:550
125899370,3rtkit-daemon0-21swapper/100:07:331
125899360,4rtkit-daemon1257-21rtkit-daemon23:30:080
125899350,4rtkit-daemon1257-21rtkit-daemon23:06:030
125899350,4rtkit-daemon1257-21rtkit-daemon22:46:040
125899350,4rtkit-daemon1257-21rtkit-daemon21:24:230
125899350,3rtkit-daemon1257-21rtkit-daemon22:08:191
125899350,3rtkit-daemon1257-21rtkit-daemon22:08:181
125899350,3rtkit-daemon0-21swapper/123:00:570
125899350,3rtkit-daemon0-21swapper/119:55:441
125899350,3rtkit-daemon0-21swapper/119:30:300
125899340,3rtkit-daemon0-21swapper/100:00:320
125899340,3rtkit-daemon0-21swapper/021:24:161
125899340,3rtkit-daemon0-21swapper/020:20:251
125899330,4rtkit-daemon1257-21rtkit-daemon19:23:210
125899330,3rtkit-daemon1257-21rtkit-daemon19:38:241
125899330,3rtkit-daemon0-21swapper/122:12:430
125899330,3rtkit-daemon0-21swapper/100:19:140
125899330,3rtkit-daemon0-21swapper/100:13:120
125899330,3rtkit-daemon0-21swapper/021:19:521
125899330,3rtkit-daemon0-21swapper/019:52:021
125899320,4rtkit-daemon1257-21rtkit-daemon20:50:550
125899320,4rtkit-daemon1257-21rtkit-daemon19:16:470
125899320,4rtkit-daemon0-21swapper/121:43:020
125899320,3rtkit-daemon0-21swapper/121:53:540
125899320,3rtkit-daemon0-21swapper/023:20:271
125899320,3rtkit-daemon0-21swapper/022:31:401
125899320,3rtkit-daemon0-21swapper/021:12:521
125899310,4rtkit-daemon1257-21rtkit-daemon20:20:520
125899310,4rtkit-daemon1257-21rtkit-daemon19:26:210
125899310,3rtkit-daemon1257-21rtkit-daemon20:31:591
125899310,3rtkit-daemon0-21swapper/123:52:000
125899310,3rtkit-daemon0-21swapper/122:35:530
125899310,3rtkit-daemon0-21swapper/120:04:410
125899310,3rtkit-daemon0-21swapper/119:41:410
125899310,3rtkit-daemon0-21swapper/100:35:450
125899310,3rtkit-daemon0-21swapper/100:32:350
125899310,3rtkit-daemon0-21swapper/023:43:401
125899310,3rtkit-daemon0-21swapper/023:05:511
125899310,3rtkit-daemon0-21swapper/021:30:361
125899310,3rtkit-daemon0-21swapper/019:17:151
125899310,1rtkit-daemon1257-21rtkit-daemon00:33:581
5522993010,19cyclictest26-21ksoftirqd/123:40:021
125899300,4rtkit-daemon1257-21rtkit-daemon19:11:181
125899300,3rtkit-daemon0-21swapper/122:01:020
125899300,3rtkit-daemon0-21swapper/121:56:420
125899300,3rtkit-daemon0-21swapper/020:52:341
125899300,3rtkit-daemon0-21swapper/019:23:011
2075612290,2sleep10-21swapper/100:39:481
1347692290,10sleep013-21ksoftirqd/022:59:550
125899290,3rtkit-daemon0-21swapper/123:35:300
125899290,3rtkit-daemon0-21swapper/122:07:170
125899290,3rtkit-daemon0-21swapper/122:07:160
125899290,3rtkit-daemon0-21swapper/119:57:140
125899290,3rtkit-daemon0-21swapper/119:47:410
5522992813,3cyclictest26-21ksoftirqd/123:30:011
551799282,8cyclictest73180-21apt-get21:35:140
125899280,1rtkit-daemon1257-21rtkit-daemon23:58:321
125899280,1rtkit-daemon1257-21rtkit-daemon22:18:251
125899270,3rtkit-daemon0-21swapper/123:18:190
125899270,3rtkit-daemon0-21swapper/120:26:480
125899270,1rtkit-daemon1257-21rtkit-daemon19:50:480
125899270,1rtkit-daemon1257-21rtkit-daemon00:29:381
5522992620,4cyclictest26-21ksoftirqd/122:25:011
5522992613,7cyclictest146109-21apt-get23:15:151
5517992615,8cyclictest43879-21apt-get20:45:190
5517992611,7cyclictest106099-21apt-get22:20:150
5517992611,10cyclictest31633-21apt-get20:15:130
125899260,1rtkit-daemon1257-21rtkit-daemon20:43:240
552299254,16cyclictest117061-21apt-get22:35:151
5522992517,5cyclictest43890-40apt-check20:45:171
5522992511,9cyclictest14052-21apt-get19:30:161
5517992517,6cyclictest59091-21/usr/sbin/munin21:15:260
125899250,20rtkit-daemon5514-21cyclictest21:03:220
125899250,1rtkit-daemon1257-21rtkit-daemon23:03:481
552299242,14cyclictest157161-21apt-get23:30:181
552299240,7cyclictest31452-21perf-exec20:15:001
551799243,15cyclictest196962-21apt-get00:25:140
552299234,11cyclictest27735-21apt-get20:05:151
552299231,18cyclictest53863-21diskmemload22:55:161
552299230,6cyclictest142899-21fschecks_time23:10:231
552299230,6cyclictest0-21swapper/121:04:351
552299230,21cyclictest41242-21sendmail-msp20:40:001
125899230,18rtkit-daemon1257-21rtkit-daemon23:59:010
125899230,18rtkit-daemon1257-21rtkit-daemon20:57:390
552299223,2cyclictest26-21ksoftirqd/121:10:001
552299223,13cyclictest80497-21apt-get21:45:161
552299222,14cyclictest26-21ksoftirqd/100:00:171
5522992218,2cyclictest26-21ksoftirqd/100:24:591
5522992217,3cyclictest26-21ksoftirqd/120:30:001
551799224,11cyclictest16001-21apt-get19:35:160
551799222,14cyclictest109783-21apt-get22:25:160
125899220,13rtkit-daemon0-21swapper/120:57:321
552299212,17cyclictest43317-21latency_hist20:45:011
551799212,14cyclictest154326-21ntp_states23:25:260
551799212,13cyclictest29683-21apt-get20:10:140
551799212,13cyclictest142553-21apt-get23:10:200
551799212,11cyclictest5652-21apt-get19:10:160
552299206,12cyclictest26-21ksoftirqd/100:10:221
552299200,18cyclictest18219-21fschecks_count19:40:171
551799207,3cyclictest141rcu_preempt00:24:590
551799203,10cyclictest37504-21apt-get20:30:120
5517992015,3cyclictest40319-21proc_pri20:35:240
5522991916,2cyclictest68730-21perf21:30:001
5517991914,3cyclictest150375-21if_err_enp2s023:20:240
5517991911,6cyclictest29509-21systemctl20:10:000
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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