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2025-12-25 - 08:16
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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 the highest latencies:
System rackcslot4.osadl.org (updated Thu Dec 25, 2025 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11512462263188,26sleep10-21swapper/119:08:581
11509932247179,53sleep00-21swapper/019:06:130
12647212520,4sleep11264719-21head23:50:251
179699510,3rtkit-daemon1795-21rtkit-daemon21:13:130
179699500,3rtkit-daemon1795-21rtkit-daemon20:30:470
12663062490,1chrt1266305-21/usr/sbin/munin23:55:241
179699470,3rtkit-daemon1795-21rtkit-daemon19:33:570
11751282430,4sleep00-21swapper/020:05:260
115147799390,1cyclictest0-21swapper/100:17:371
179699380,3rtkit-daemon0-21swapper/022:55:390
179699370,7rtkit-daemon1272463-21unixbench_multi00:10:261
179699370,4rtkit-daemon1795-21rtkit-daemon23:15:210
179699370,3rtkit-daemon0-21swapper/123:45:140
179699370,3rtkit-daemon0-21swapper/100:20:150
179699360,3rtkit-daemon0-21swapper/021:30:491
179699350,3rtkit-daemon0-21swapper/123:45:071
179699350,3rtkit-daemon0-21swapper/123:30:000
179699350,3rtkit-daemon0-21swapper/121:50:210
179699350,3rtkit-daemon0-21swapper/100:39:190
179699350,3rtkit-daemon0-21swapper/021:16:320
179699350,3rtkit-daemon0-21swapper/019:58:370
179699350,3rtkit-daemon0-21swapper/019:18:470
179699340,4rtkit-daemon1795-21rtkit-daemon21:00:491
179699340,4rtkit-daemon1795-21rtkit-daemon19:26:390
179699330,4rtkit-daemon1795-21rtkit-daemon20:07:161
179699330,4rtkit-daemon1795-21rtkit-daemon00:07:091
179699330,3rtkit-daemon1795-21rtkit-daemon00:30:000
179699330,3rtkit-daemon0-21swapper/121:08:270
179699330,3rtkit-daemon0-21swapper/021:20:531
179699330,3rtkit-daemon0-21swapper/021:20:521
179699330,3rtkit-daemon0-21swapper/020:26:190
115147499338,10cyclictest13-21ksoftirqd/021:55:130
179699320,4rtkit-daemon1795-21rtkit-daemon22:11:181
179699320,3rtkit-daemon1795-21rtkit-daemon23:02:040
179699320,3rtkit-daemon1795-21rtkit-daemon21:36:340
179699320,3rtkit-daemon1795-21rtkit-daemon21:33:570
179699320,3rtkit-daemon0-21swapper/123:34:410
179699320,3rtkit-daemon0-21swapper/119:12:530
179699320,3rtkit-daemon0-21swapper/022:44:211
179699320,3rtkit-daemon0-21swapper/019:19:221
179699310,4rtkit-daemon1795-21rtkit-daemon20:02:261
179699310,3rtkit-daemon1795-21rtkit-daemon23:34:221
179699310,3rtkit-daemon1795-21rtkit-daemon20:39:030
179699310,3rtkit-daemon1795-21rtkit-daemon20:22:530
179699310,3rtkit-daemon1795-21rtkit-daemon00:08:050
179699310,3rtkit-daemon0-21swapper/123:40:180
179699310,3rtkit-daemon0-21swapper/122:06:510
179699310,3rtkit-daemon0-21swapper/121:43:000
179699310,3rtkit-daemon0-21swapper/023:24:281
179699310,3rtkit-daemon0-21swapper/022:25:251
179699310,3rtkit-daemon0-21swapper/019:30:411
115147499317,6cyclictest13-21ksoftirqd/022:50:220
115147499311,6cyclictest0-21swapper/019:35:140
179699300,3rtkit-daemon1795-21rtkit-daemon21:28:100
179699300,3rtkit-daemon0-21swapper/120:54:290
179699300,3rtkit-daemon0-21swapper/020:26:261
179699300,3rtkit-daemon0-21swapper/020:21:001
179699300,3rtkit-daemon0-21swapper/019:38:391
1151477993026,3cyclictest18150irq/39-mmc022:19:591
115147499309,7cyclictest13-21ksoftirqd/021:45:100
1151474993014,3cyclictest13-21ksoftirqd/023:57:410
1151474993011,4cyclictest13-21ksoftirqd/023:11:560
1151474993011,4cyclictest13-21ksoftirqd/022:02:010
1151474993010,4cyclictest13-21ksoftirqd/022:15:210
115147499300,7cyclictest1238097-21apt-get22:45:120
115147499300,6cyclictest1278987-1kworker/0:1H00:30:180
179699290,3rtkit-daemon0-21swapper/000:24:401
115147499296,10cyclictest1203724-21apt-get21:20:130
115147499296,10cyclictest1203724-21apt-get21:20:130
115147499291,4cyclictest1166243-21apt-get19:45:140
179699280,3rtkit-daemon0-21swapper/123:35:050
179699280,3rtkit-daemon0-21swapper/100:15:510
179699280,3rtkit-daemon0-21swapper/021:28:531
179699280,3rtkit-daemon0-21swapper/021:17:591
179699280,3rtkit-daemon0-21swapper/021:11:521
115147799282,19cyclictest1187713-21apt-get20:40:121
115147499287,6cyclictest1235955-21perf22:40:000
1151474992812,3cyclictest13-21ksoftirqd/020:16:540
1151474992812,2cyclictest141rcu_preempt00:00:510
115147499280,6cyclictest13-21ksoftirqd/023:05:010
115147499280,6cyclictest13-21ksoftirqd/022:45:010
179699270,3rtkit-daemon1795-21rtkit-daemon21:39:501
179699270,3rtkit-daemon0-21swapper/123:51:420
179699270,3rtkit-daemon0-21swapper/120:10:400
179699270,3rtkit-daemon0-21swapper/023:07:531
179699270,22rtkit-daemon1273519-21kworker/1:200:25:211
115147799272,6cyclictest1279547-40apt-check00:30:181
1151477992712,10cyclictest1232248-21apt-get22:30:161
115147499277,3cyclictest13-21ksoftirqd/020:55:160
115147499273,18cyclictest1230294-21apt-get22:25:120
1151474992714,3cyclictest13-21ksoftirqd/000:12:400
1151474992712,3cyclictest13-21ksoftirqd/022:23:130
179699260,1rtkit-daemon1795-21rtkit-daemon21:45:071
115147799260,8cyclictest1244266-21fschecks_time23:00:181
115147799260,6cyclictest0-21swapper/119:42:381
115147499261,6cyclictest0-21swapper/020:45:160
115147499261,6cyclictest0-21swapper/020:40:130
1151474992612,2cyclictest141rcu_preempt19:44:380
1151474992612,2cyclictest141rcu_preempt19:20:020
1151474992610,3cyclictest13-21ksoftirqd/022:12:140
115147499252,15cyclictest1172118-21apt-get20:00:160
115147499251,6cyclictest0-21swapper/023:20:150
115147499251,6cyclictest0-21swapper/021:00:180
115147499251,6cyclictest0-21swapper/019:50:130
1151477992421,2cyclictest1239457-21kworker/1:022:59:531
115147799241,4cyclictest1166206-40apt-check19:45:141
115147799241,21cyclictest0-21swapper/122:40:011
115147799240,21cyclictest1178252-21fschecks_time20:15:161
115147499240,6cyclictest0-21swapper/022:30:180
115147799237,4cyclictest1229718-21python322:25:011
115147799235,16cyclictest0-21swapper/100:00:011
1151477992317,4cyclictest1213702-21python321:45:001
115147799231,20cyclictest1168511-21fschecks_time19:50:161
1151477992310,3cyclictest1247965-21tr23:10:141
1151477992217,3cyclictest1157860-21pluginstate19:25:001
1151477992210,2cyclictest0-21swapper/123:30:001
179699210,16rtkit-daemon1795-21rtkit-daemon19:26:531
179699210,13rtkit-daemon0-21swapper/121:08:211
115147799217,3cyclictest26-21ksoftirqd/122:50:001
115147799213,10cyclictest1222086-21apt-get22:05:131
1151477992118,2cyclictest1193544-21kworker/1:120:59:561
115147799211,18cyclictest1259322-21cron23:40:001
115147799210,6cyclictest1220483-21grep22:00:181
115147799203,9cyclictest1281524-21apt-get00:35:111
115147799203,10cyclictest1176001-21apt-get20:10:141
115147799202,10cyclictest1183806-21apt-get20:30:151
1151477992015,3cyclictest1261304-21munin-run23:45:001
115147799201,17cyclictest1153353-21munin-run19:15:011
115147799198,8cyclictest1185955-21df_inode20:35:151
1151477991912,5cyclictest26-21ksoftirqd/120:00:001
115147799191,17cyclictest1192455-21awk20:50:231
115147799191,17cyclictest0-21swapper/121:50:251
1151477991814,2cyclictest1240358-21fschecks_time22:50:171
1151477991813,3cyclictest1190582-21rt-features20:45:241
115147799181,16cyclictest1219950-21readlink22:00:001
115147799180,1cyclictest141rcu_preempt23:20:011
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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