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2025-12-31 - 00:45
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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 rackdslot0.osadl.org (updated Tue Dec 30, 2025 12:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1990099225,8cyclictest0-21swapper/211:15:142
1989599212,16cyclictest25684-21needreboot09:10:181
1989599210,3cyclictest0-21swapper/111:53:241
1989099210,3cyclictest0-21swapper/009:18:180
1989599205,15cyclictest21-21ksoftirqd/110:00:141
19890992016,1cyclictest0-21swapper/009:05:160
1990099192,11cyclictest12791-21latency_hist10:45:012
19900991917,1cyclictest0-21swapper/211:53:592
19900991916,1cyclictest0-21swapper/208:28:542
19895991915,3cyclictest0-21swapper/108:58:001
1989099192,2cyclictest17672-21smartctl10:50:190
1990099182,2cyclictest3289-21chrt09:30:092
1990099182,15cyclictest2573-21nfsd411:20:182
1990099182,15cyclictest0-21swapper/207:49:462
19900991815,1cyclictest0-21swapper/211:08:322
1990099181,2cyclictest13183-21timerandwakeup07:50:212
1990099181,16cyclictest0-21swapper/211:58:132
1990099180,16cyclictest3979-21H222:10:212
19895991818,0cyclictest0-21swapper/109:30:191
19895991814,3cyclictest0-21swapper/108:41:421
1989599181,16cyclictest25356-21nfsd412:00:181
1989599180,16cyclictest32586-21ntp_kernel_pll_08:25:181
1989099182,15cyclictest31719-21taskset12:11:290
19890991815,1cyclictest0-21swapper/011:55:180
19890991814,3cyclictest0-21swapper/008:25:010
1989099180,3cyclictest28331-21logrotate07:25:010
1989099180,2cyclictest8569-21munin-plugin-st12:30:010
1990099172,15cyclictest0-21swapper/210:08:012
19900991715,1cyclictest249272sleep207:16:182
19900991715,1cyclictest0-21swapper/211:30:132
19900991714,2cyclictest427-21cstates12:15:142
19900991714,2cyclictest28788-21chrt12:05:462
19900991714,2cyclictest26938-21nfsd410:10:202
19900991714,2cyclictest26210-21cat08:15:152
19900991714,2cyclictest24054-21/usr/sbin/munin12:00:212
19900991714,2cyclictest23753-21nfsd411:00:192
19900991714,2cyclictest22017-21expr09:05:152
19900991714,2cyclictest20662-21expr10:00:142
19900991714,2cyclictest19212-21cnf-update-db10:55:012
19900991714,2cyclictest17505-21nfsd410:50:192
19900991714,2cyclictest14000-21cstates10:45:142
19900991714,2cyclictest11355-21fschecks_count08:45:162
19900991714,2cyclictest10551-21cut08:45:002
19900991714,1cyclictest0-21swapper/210:37:482
1990099171,15cyclictest112802sleep209:42:022
1990099171,15cyclictest0-21swapper/211:45:012
1990099170,2cyclictest7593-21nfsd409:35:182
1990099170,2cyclictest3979-21H222:10:212
1990099170,2cyclictest3440-21cut07:35:172
1990099170,2cyclictest31542-21pzem_current09:20:212
1990099170,1cyclictest0-21swapper/208:10:352
1990099170,16cyclictest9836-21/usr/sbin/munin11:35:202
1990099170,16cyclictest8214-21postgres12:29:452
1990099170,16cyclictest6346-21grep08:35:232
1990099170,16cyclictest3339-21sendmail_mailst10:25:232
1990099170,16cyclictest32419-21nfsd410:20:182
1990099170,16cyclictest32161-21tune2fs07:30:162
1990099170,16cyclictest30784-21cron08:25:002
1990099170,16cyclictest28613-21nfsd409:15:182
1990099170,16cyclictest26230-21cat07:20:132
1990099170,16cyclictest22813-21sed08:10:012
1990099170,16cyclictest20448-21sed09:00:202
1990099170,16cyclictest17485-21awk08:55:162
1990099170,16cyclictest1377-21lxd09:56:402
1990099170,16cyclictest0-21swapper/207:26:172
1990099170,15cyclictest4526-21cpuspeed_turbos11:25:132
19895991716,0cyclictest0-21swapper/110:30:561
19895991715,1cyclictest252422chrt08:14:141
19895991715,1cyclictest0-21swapper/109:42:181
19895991715,1cyclictest0-21swapper/107:20:171
19895991715,1cyclictest0-21swapper/107:17:411
19895991714,2cyclictest8730-21expr07:45:151
19895991714,2cyclictest21787-21python311:00:001
19895991714,2cyclictest1589-21proc_pri12:15:201
19895991714,2cyclictest14819-21nfsd410:45:171
19895991713,3cyclictest843-21systemd-network09:53:131
19895991713,3cyclictest0-21swapper/110:13:131
1989599171,15cyclictest50942chrt07:39:231
1989599171,15cyclictest20463-21seq07:10:141
1989599170,9cyclictest0-21swapper/111:20:141
1989599170,2cyclictest8593-21ps11:30:201
1989599170,2cyclictest3290-21cat12:20:141
1989599170,2cyclictest32243-21latency10:20:171
1989599170,2cyclictest2690-21postgres09:28:551
1989599170,2cyclictest22524-21/usr/sbin/munin11:00:161
1989599170,2cyclictest18373-21sed08:00:181
1989599170,2cyclictest18373-21sed08:00:181
1989599170,2cyclictest11952-21nfsd408:45:191
1989599170,1cyclictest0-21swapper/109:56:391
1989599170,16cyclictest8238-21users09:35:221
1989599170,16cyclictest7517-21munin-run08:40:011
1989599170,16cyclictest6962-21munin-plugin-st11:30:001
1989599170,16cyclictest6730-21if_eno112:25:161
1989599170,16cyclictest399-20systemd-journal11:14:551
1989599170,16cyclictest3838-21/usr/sbin/munin10:25:241
1989599170,16cyclictest1713-21sed07:35:011
1989599170,16cyclictest1478-21snapd11:18:091
1989599170,16cyclictest13868-21systemctl12:40:001
1989599170,16cyclictest12327-21munin-run11:40:001
1989599170,16cyclictest10151-21lxd09:02:401
19890991715,1cyclictest0-21swapper/012:24:300
19890991715,1cyclictest0-21swapper/009:37:260
19890991715,1cyclictest0-21swapper/007:39:340
19890991714,2cyclictest27513-21which12:05:170
19890991714,2cyclictest25248-21/usr/sbin/munin11:05:160
19890991714,2cyclictest24889-21cat09:10:140
19890991714,2cyclictest19389-21expr09:00:140
19890991714,2cyclictest10852-21sort11:35:160
19890991713,3cyclictest1485-21snapd10:20:090
19890991713,3cyclictest0-21swapper/011:45:130
19890991713,3cyclictest0-21swapper/010:35:160
1989099171,1cyclictest29782-21latency07:25:170
1989099171,1cyclictest247402sleep011:03:450
1989099170,2cyclictest993-21dbus-daemon10:55:020
1989099170,2cyclictest24750-21timerwakeupswit07:15:220
1989099170,2cyclictest17697-21expr08:00:150
1989099170,2cyclictest17697-21expr08:00:150
1989099170,2cyclictest17640-21proc_pri08:55:180
1989099170,2cyclictest16970-21munin-plugin-st08:00:010
1989099170,2cyclictest14745-21nfsd408:50:200
1989099170,2cyclictest0-21swapper/010:00:180
1989099170,16cyclictest31062-21sed09:20:190
1989099170,16cyclictest25829-21cpuspeed_turbos08:15:150
1989099170,16cyclictest23134-21cpuspeed_turbos08:10:140
1989099170,16cyclictest1829-21systemd-journal11:13:110
1989099170,16cyclictest1725-21grep09:25:190
1989099170,16cyclictest16108-21proc_pri09:50:210
1989099170,16cyclictest1351-21lxd09:32:400
1989099170,16cyclictest13477-21http_loadtime11:40:160
1989099170,16cyclictest11837-21munin-plugin-st09:45:010
1989099170,16cyclictest11144-21expr08:45:150
1989099170,16cyclictest10421-21chrt07:47:230
1989099170,16cyclictest0-21swapper/008:05:250
19900991614,1cyclictest0-21swapper/212:30:132
19900991614,1cyclictest0-21swapper/212:20:142
19900991614,1cyclictest0-21swapper/210:30:212
19900991614,1cyclictest0-21swapper/210:15:172
19900991614,1cyclictest0-21swapper/209:10:112
19900991614,1cyclictest0-21swapper/207:40:152
1990099161,14cyclictest0-21swapper/212:37:572
1990099160,2cyclictest16208-21sed11:45:152
1990099160,1cyclictest0-21swapper/208:00:182
1990099160,1cyclictest0-21swapper/208:00:182
1990099160,15cyclictest3414-21master07:12:522
1990099160,15cyclictest31595-21sed12:10:212
1990099160,15cyclictest28745-21df11:10:142
1990099160,15cyclictest2786-21cat08:30:182
1990099160,15cyclictest1675-21nfsd409:25:192
1990099160,15cyclictest12895-21sed09:45:162
19895991614,1cyclictest17697-21chrt11:49:031
19895991614,1cyclictest0-21swapper/112:30:161
19895991614,1cyclictest0-21swapper/112:05:161
19895991614,1cyclictest0-21swapper/111:05:141
19895991614,1cyclictest0-21swapper/110:50:141
19895991614,1cyclictest0-21swapper/110:15:171
19895991614,1cyclictest0-21swapper/109:45:211
19895991614,1cyclictest0-21swapper/108:15:191
19895991614,1cyclictest0-21swapper/107:40:321
19895991613,2cyclictest11083-21http_loadtime10:40:171
1989599160,2cyclictest24382-21sed10:05:221
1989599160,2cyclictest14788-21fschecks_count07:55:141
1989599160,2cyclictest13264-21expr11:40:141
1989599160,1cyclictest1351-21lxd08:34:391
1989599160,1cyclictest0-21swapper/107:50:021
1989599160,15cyclictest30330-21pzem_voltage07:25:211
1989599160,15cyclictest29465-21latency08:20:171
1989599160,15cyclictest13786-21cat08:50:161
1989599160,15cyclictest10238-21cut10:40:011
1989599160,15cyclictest0-21swapper/112:10:191
1989599160,15cyclictest0-21swapper/111:55:141
1989599160,15cyclictest0-21swapper/109:20:161
1989599160,15cyclictest0-21swapper/109:15:181
1989599160,15cyclictest0-21swapper/108:05:221
19890991614,1cyclictest18780-21nvmesmart_nvme009:55:190
19890991614,1cyclictest0-21swapper/010:40:180
19890991614,1cyclictest0-21swapper/010:30:120
19890991614,1cyclictest0-21swapper/010:25:190
19890991614,1cyclictest0-21swapper/010:15:150
19890991614,1cyclictest0-21swapper/010:11:070
19890991614,1cyclictest0-21swapper/010:05:230
19890991614,1cyclictest0-21swapper/007:54:200
19890991613,2cyclictest399-20systemd-journal08:25:010
1989099160,2cyclictest18764-21expr11:50:140
1989099160,1cyclictest6583-21latency07:40:170
1989099160,15cyclictest9760-21munin-plugin-st11:35:010
1989099160,15cyclictest4403-21apache_accesses11:25:110
1989099160,15cyclictest3991-21H222:10:210
1989099160,15cyclictest31849-21expr07:30:150
1989099160,15cyclictest24663-21df12:00:150
1989099160,15cyclictest1654-21apache_accesses08:30:110
1989099160,15cyclictest1461-21ntp_kernel_err12:15:180
1989099160,15cyclictest13996-21cat10:45:140
1989099160,15cyclictest13869-21perf12:40:000
1989099160,15cyclictest1351-21lxd08:40:400
1989099160,15cyclictest0-21swapper/011:15:150
1989099160,15cyclictest0-21swapper/009:45:170
1989099160,15cyclictest0-21swapper/008:35:150
1989099160,15cyclictest0-21swapper/007:10:130
19890991513,1cyclictest0-21swapper/012:34:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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