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2023-06-08 - 06:27

x86 Intel Core i3-2100T @2500 MHz, Linux 3.18.43-rt46-fulldebug (Profile)

Latency plot of system in rack #b, slot #0
Note that this system runs a non-optimized debug kernel.
Data to construct the above plot have been generated using the RT test utility cyclictest.
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: ondemand
Characteristics of the 50 highest latencies:
System rackbslot0.osadl.org (updated Thu Jun 08, 2023 00:43:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13102820,1sleep20-21swapper/215:28:012
2544128165,11sleep30-21swapper/310:22:213
2544128165,11sleep30-21swapper/310:22:213
2523227862,11sleep10-21swapper/110:19:591
2523227862,11sleep10-21swapper/110:19:591
2537526743,19sleep00-21swapper/010:21:340
2537526743,19sleep00-21swapper/010:21:340
50392660,1sleep011-21rcuc/014:41:120
2547526649,11sleep20-21swapper/210:22:482
2547526649,11sleep20-21swapper/210:22:482
246002600,2sleep124609-21modprobe13:11:081
242799600,7rtkit-daemon0-21swapper/112:07:131
260312590,1sleep2281ktimersoftd/215:30:062
248382590,2sleep224672-21sshd15:47:192
143082570,1sleep20-21swapper/213:00:462
130732570,2sleep3361ktimersoftd/313:05:043
28332520,2sleep02832-21iostat14:34:340
2580699523,46cyclictest31684-21turbostat10:34:221
242799500,3rtkit-daemon0-21swapper/111:25:361
11092500,1sleep1201ktimersoftd/114:33:261
242799480,3rtkit-daemon2426-21rtkit-daemon13:34:231
242799480,3rtkit-daemon2426-21rtkit-daemon13:34:231
25814994632,8cyclictest30869-21systemd-cgroups13:38:032
25814994632,8cyclictest30869-21systemd-cgroups13:38:032
25814994629,9cyclictest1-21systemd13:52:282
242799460,3rtkit-daemon0-21swapper/110:27:271
242799450,5rtkit-daemon0-21swapper/111:59:181
242799450,3rtkit-daemon0-21swapper/110:44:031
11682450,1sleep21076-21sshd14:58:482
25814994430,6cyclictest26862-21latency_hist12:14:162
25806994425,16cyclictest15788-21modprobe13:05:091
2580699440,41cyclictest3954-21sshd15:52:411
242799440,2rtkit-daemon0-21swapper/111:35:431
144012440,2sleep014407-21modprobe14:59:140
2579499431,38cyclictest0-21swapper/012:27:030
242799430,1rtkit-daemon0-21swapper/110:54:531
298462421,37sleep31506-21nfsd13:28:083
2579499421,37cyclictest11321-21sshd14:26:040
25814994121,15cyclictest9097-21sshd14:22:432
2579499411,36cyclictest6536-21modprobe14:09:320
242799410,4rtkit-daemon0-21swapper/111:08:351
242799410,3rtkit-daemon0-21swapper/111:33:341
25823994028,6cyclictest10822-21id15:19:473
25814994022,16cyclictest7708-21kworker/u8:015:39:052
2579499401,36cyclictest0-21swapper/012:32:350
2579499401,36cyclictest0-21swapper/010:39:490
2579499401,35cyclictest122750irq/25-em114:48:360
25823993924,9cyclictest25544-21kworker/u8:113:03:223
25806993927,6cyclictest14658-21bash13:45:231
2579499395,30cyclictest0-21swapper/011:11:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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