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2023-05-31 - 02:50

x86 Intel Celeron N3350 @1100 MHz, Linux 5.10.90-rt60 (Profile)

Latency plot of system in rack #c, slot #4
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
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 100 highest latencies:
System rackcslot4.osadl.org (updated Tue May 30, 2023 12:45:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7054002324282,27sleep00-21swapper/007:06:440
7056272304263,27sleep10-21swapper/107:09:111
70584599205199,4cyclictest832229-21kworker/u8:212:28:371
159199690,7rtkit-daemon3437640-21snmpd11:38:410
159199660,6rtkit-daemon766569-21/usr/sbin/munin09:40:310
7179282620,1chrt717892-21unixbench_multi07:35:310
159199600,3rtkit-daemon0-21swapper/008:13:350
159199600,3rtkit-daemon0-21swapper/008:13:350
159199590,3rtkit-daemon0-21swapper/007:31:040
159199570,3rtkit-daemon0-21swapper/008:01:350
159199560,3rtkit-daemon0-21swapper/007:50:060
159199550,5rtkit-daemon705835-21cyclictest08:17:250
159199550,3rtkit-daemon0-21swapper/011:51:180
159199550,3rtkit-daemon0-21swapper/009:27:400
159199540,3rtkit-daemon0-21swapper/011:15:520
159199540,3rtkit-daemon0-21swapper/010:11:460
159199530,3rtkit-daemon0-21swapper/012:35:340
159199530,3rtkit-daemon0-21swapper/012:34:070
159199530,3rtkit-daemon0-21swapper/012:34:060
159199530,3rtkit-daemon0-21swapper/012:00:260
159199530,3rtkit-daemon0-21swapper/011:45:110
159199530,3rtkit-daemon0-21swapper/011:20:260
159199530,3rtkit-daemon0-21swapper/010:15:320
159199530,3rtkit-daemon0-21swapper/010:07:250
159199530,3rtkit-daemon0-21swapper/009:10:350
159199530,3rtkit-daemon0-21swapper/008:05:130
159199520,3rtkit-daemon0-21swapper/012:28:230
159199520,3rtkit-daemon0-21swapper/011:59:440
159199520,3rtkit-daemon0-21swapper/009:58:440
159199520,3rtkit-daemon0-21swapper/009:48:550
159199520,3rtkit-daemon0-21swapper/009:32:090
159199520,3rtkit-daemon0-21swapper/009:09:080
159199520,3rtkit-daemon0-21swapper/008:30:050
159199520,3rtkit-daemon0-21swapper/008:26:041
159199520,3rtkit-daemon0-21swapper/008:25:570
159199520,3rtkit-daemon0-21swapper/008:24:340
159199520,3rtkit-daemon0-21swapper/007:49:430
159199510,4rtkit-daemon1590-21rtkit-daemon09:17:470
159199510,3rtkit-daemon0-21swapper/011:30:360
159199510,3rtkit-daemon0-21swapper/011:28:370
159199510,3rtkit-daemon0-21swapper/011:06:590
159199510,3rtkit-daemon0-21swapper/010:58:230
159199510,3rtkit-daemon0-21swapper/010:32:350
159199510,3rtkit-daemon0-21swapper/008:42:030
159199500,5rtkit-daemon1590-21rtkit-daemon11:00:180
159199500,3rtkit-daemon0-21swapper/011:40:171
159199500,3rtkit-daemon0-21swapper/008:55:520
159199500,3rtkit-daemon0-21swapper/008:46:480
159199490,4rtkit-daemon1590-21rtkit-daemon10:40:130
159199490,3rtkit-daemon1590-21rtkit-daemon10:50:030
159199490,3rtkit-daemon0-21swapper/011:14:280
159199490,3rtkit-daemon0-21swapper/008:37:450
159199480,8rtkit-daemon725169-21missed_timers07:55:271
159199480,4rtkit-daemon1590-21rtkit-daemon12:18:280
159199480,3rtkit-daemon0-21swapper/011:44:010
159199480,3rtkit-daemon0-21swapper/009:51:560
159199470,4rtkit-daemon1590-21rtkit-daemon10:28:160
159199470,3rtkit-daemon1590-21rtkit-daemon12:09:060
705845994611,16cyclictest831946-21switchtime12:20:331
159199460,3rtkit-daemon1590-21rtkit-daemon12:21:050
159199460,3rtkit-daemon1590-21rtkit-daemon10:21:280
159199460,21rtkit-daemon705835-21cyclictest09:01:070
159199460,13rtkit-daemon0-21swapper/107:17:190
159199450,5rtkit-daemon768339-21dump-pmu-power09:44:551
159199450,5rtkit-daemon1590-21rtkit-daemon10:40:261
159199450,3rtkit-daemon1590-21rtkit-daemon07:13:190
159199450,19rtkit-daemon705835-21cyclictest07:43:200
159199440,3rtkit-daemon0-21swapper/110:47:091
159199410,3rtkit-daemon0-21swapper/008:40:251
159199400,6rtkit-daemon818577-21/usr/sbin/munin11:50:251
159199390,5rtkit-daemon720674-21apt-get07:45:181
159199390,3rtkit-daemon0-21swapper/012:30:231
159199390,3rtkit-daemon0-21swapper/012:30:221
159199390,3rtkit-daemon0-21swapper/011:56:071
70584599388,3cyclictest0-21swapper/108:45:221
70584599387,4cyclictest729156-21cut08:05:271
705845993812,16cyclictest828837-40apt-check12:15:131
159199380,4rtkit-daemon0-21swapper/011:04:091
159199380,3rtkit-daemon0-21swapper/008:56:261
159199380,12rtkit-daemon0-21swapper/112:12:500
159199370,3rtkit-daemon0-21swapper/009:46:551
159199370,3rtkit-daemon0-21swapper/009:34:221
159199370,3rtkit-daemon0-21swapper/009:02:311
159199370,3rtkit-daemon0-21swapper/008:50:071
159199370,12rtkit-daemon0-21swapper/109:39:340
705845993622,9cyclictest726529-21apt-get08:00:171
705845993618,2cyclictest0-21swapper/107:40:271
705845993617,3cyclictest0-21swapper/110:00:301
705845993617,2cyclictest0-21swapper/107:50:301
705845993612,2cyclictest0-21swapper/108:30:171
159199360,3rtkit-daemon0-21swapper/008:23:041
70584599359,4cyclictest0-21swapper/109:10:331
70584599359,3cyclictest0-21swapper/109:05:291
70584599359,2cyclictest0-21swapper/111:35:381
70584599357,4cyclictest758388-21apt-key09:20:021
70584599356,9cyclictest0-21swapper/108:15:251
705845993524,3cyclictest716573-21gpgv07:35:021
705845993519,9cyclictest778295-21python310:10:011
705845993518,3cyclictest0-21swapper/112:10:231
705845993516,8cyclictest797276-21if_err_enp2s010:55:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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