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2026-07-05 - 06:12
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 highest latencies:
System rack7slot8.osadl.org (updated Sat Jul 04, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12078225121,36sleep00-21swapper/007:06:160
125859916653,29cyclictest101ktimersoftd/008:05:420
125859916156,17cyclictest25951-21/usr/sbin/munin12:15:250
125859915949,20cyclictest31220-21/usr/sbin/munin08:20:520
125859915429,16cyclictest18564-21runrttasks07:30:450
125859915417,16cyclictest1-21systemd11:47:130
12585991538,18cyclictest19518-21apt-get09:47:130
125859915347,14cyclictest10150irq/55-4a10000012:31:160
125859915051,13cyclictest10150irq/55-4a10000007:26:010
12585991374,32cyclictest23622-21apt10:00:020
1258599130106,13cyclictest0-21swapper/007:10:030
17348211316,84sleep017349-21diskstats09:35:240
31882211010,86sleep031883-21sshd12:36:540
3045221085,89sleep030479-21grep08:20:080
2524621075,89sleep025269-21/usr/sbin/munin10:05:290
2319121066,87sleep023208-21/usr/sbin/munin12:05:360
2846721059,83sleep028474-21fw_conntrack12:25:280
1640721045,88sleep016441-21mailstats09:30:460
914321036,11sleep09149-21ntp_states11:10:400
2800621025,12sleep028045-21wget08:10:120
1531021015,83sleep015333-21netstat11:35:390
2290421005,84sleep022908-21latency_hist07:50:020
145482975,81sleep014583-21latency_hist09:25:030
195942925,12sleep00-21swapper/007:35:340
12585999146,28cyclictest32689-21seq10:35:260
258982905,74sleep025896-21ntp_states08:00:370
12585999037,33cyclictest30355-21ntpq10:25:380
12585998942,30cyclictest20351-21/usr/sbin/munin11:55:540
12585998820,35cyclictest0-21swapper/009:50:130
12585998650,24cyclictest101ktimersoftd/011:31:000
12585998646,27cyclictest3650irq/20-4900000010:10:260
12585998644,29cyclictest3650irq/20-4900000011:20:230
12585998628,45cyclictest1285-21lldpd08:48:270
12585998622,29cyclictest17411-21https11:45:070
12585998543,27cyclictest101ktimersoftd/009:05:420
12585998442,28cyclictest101ktimersoftd/008:30:440
275952836,67sleep027608-21users12:20:490
12585998323,14cyclictest4570-21latency_hist08:45:040
12585998236,30cyclictest10250irq/56-4a10000009:15:160
12585998144,27cyclictest0-21swapper/010:20:210
12585998132,33cyclictest11634-21sshd09:11:430
12585998119,44cyclictest0-21swapper/008:55:040
12585998036,29cyclictest10250irq/56-4a10000007:40:140
12585998019,15cyclictest24135-21latency_hist07:55:030
12585997952,13cyclictest10150irq/55-4a10000011:00:150
12585997943,27cyclictest0-21swapper/010:00:110
12585997940,22cyclictest10150irq/55-4a10000010:30:390
12585997857,13cyclictest101ktimersoftd/011:50:420
12585997850,12cyclictest10150irq/55-4a10000011:15:190
12585997848,14cyclictest10150irq/55-4a10000008:25:210
12585997827,36cyclictest39702sleep010:50:160
1258599778,16cyclictest24463-21diskstats07:55:230
12585997756,12cyclictest101ktimersoftd/009:25:330
12585997754,9cyclictest101ktimersoftd/010:45:310
12585997751,17cyclictest187872sleep009:40:410
12585997749,13cyclictest10150irq/55-4a10000009:00:400
12585997742,27cyclictest24215-21/usr/sbin/munin12:10:150
12585997741,26cyclictest0-21swapper/008:50:210
12585997737,33cyclictest28281-21seq10:17:190
12585997657,11cyclictest101ktimersoftd/011:25:390
12585997654,15cyclictest2207-21aten_r7power_cu08:35:140
12585997646,13cyclictest10150irq/55-4a10000010:40:440
12585997555,11cyclictest101ktimersoftd/010:55:280
12585997549,16cyclictest15595-21/usr/sbin/munin07:20:420
12585997545,13cyclictest10150irq/55-4a10000012:00:250
12585997545,13cyclictest10150irq/55-4a10000007:17:020
12585997542,16cyclictest10150irq/55-4a10000011:05:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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