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2024-02-24 - 04:33
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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 376 highest latencies:
System rack7slot8 (updated Sat Feb 24, 2024 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
241923160,7sleep02417-21basename19:05:210
358099130106,15cyclictest0-21swapper/019:10:060
999221129,12sleep09995-21df21:40:270
5169211120,12sleep05185-21ntp_kernel_pll_21:20:430
2052821118,12sleep019624-21apt-get22:21:080
604921077,12sleep0101ktimersoftd/019:20:030
1340321064,11sleep013455-21latency_hist21:55:030
35809910515,36cyclictest28306-21/usr/sbin/munin20:45:250
2735121046,11sleep027347-21ntp_states20:41:250
1925521035,10sleep019248-21apt-get22:17:020
540521025,11sleep05407-21fw_forwarded_lo23:30:360
1419621015,12sleep014214-21df19:50:250
1244121005,11sleep01370-21snmpd23:59:360
254382985,12sleep025441-21diskstats20:35:280
3580999750,31cyclictest3650irq/20-4900000000:02:130
37382965,11sleep03741-21df21:15:260
358099947,21cyclictest16528-21/usr/sbin/munin22:05:520
3580999341,17cyclictest10250irq/56-4a10000000:08:250
237012924,7sleep00-21swapper/022:34:420
3580999144,31cyclictest10250irq/56-4a10000020:31:490
3580999045,29cyclictest3650irq/20-4900000019:40:340
3580999044,32cyclictest3650irq/20-4900000021:07:090
3580998765,10cyclictest101ktimersoftd/023:21:250
3580998738,16cyclictest10250irq/56-4a10000020:12:190
3580998737,13cyclictest29963-21apt23:00:020
358099869,38cyclictest16815-21irqstats20:00:370
3580998641,31cyclictest3650irq/20-4900000019:35:320
3580998463,12cyclictest101ktimersoftd/021:10:310
3580998449,25cyclictest101ktimersoftd/019:48:310
3580998439,14cyclictest10250irq/56-4a10000020:16:440
3580998435,17cyclictest10250irq/56-4a10000000:18:260
358099839,62cyclictest0-21swapper/022:46:150
3580998337,30cyclictest3650irq/20-4900000022:35:290
3580998334,16cyclictest10250irq/56-4a10000021:47:010
3580998320,31cyclictest790-21haveged23:05:040
3580998250,20cyclictest22989-21sshd20:25:350
3580998229,43cyclictest0-21swapper/000:31:580
3580998221,15cyclictest21459-21wget22:25:250
3580998150,15cyclictest10150irq/55-4a10000023:15:450
3580998145,25cyclictest0-21swapper/000:10:330
3580998137,30cyclictest101ktimersoftd/023:05:270
3580998136,30cyclictest10250irq/56-4a10000019:27:110
3580998060,12cyclictest101ktimersoftd/022:00:250
3580998056,10cyclictest101ktimersoftd/021:25:430
358099805,13cyclictest25123-1kworker/0:0H22:40:280
3580998050,13cyclictest10150irq/55-4a10000023:50:480
3580998028,17cyclictest21845-21cut00:35:220
3580998026,18cyclictest101ktimersoftd/023:40:450
3580997959,12cyclictest101ktimersoftd/021:30:450
3580997959,12cyclictest101ktimersoftd/021:00:360
3580997952,17cyclictest15627-21awk19:55:430
3580997944,26cyclictest0-21swapper/023:25:310
197592794,7sleep00-21swapper/000:25:590
181382795,13sleep00-21swapper/022:13:080
3580997852,17cyclictest8545-21/usr/sbin/munin21:35:180
3580997849,14cyclictest10150irq/55-4a10000020:20:490
3580997831,32cyclictest101ktimersoftd/000:25:010
358099778,16cyclictest6616-21diskstats23:35:320
3580997746,14cyclictest10150irq/55-4a10000019:30:500
3580997718,13cyclictest10250irq/56-4a10000019:21:350
3580997652,15cyclictest18310-21/usr/sbin/munin20:05:530
3580997644,14cyclictest10150irq/55-4a10000020:55:590
3580997630,31cyclictest10250irq/56-4a10000021:57:330
3580997628,33cyclictest10250irq/56-4a10000023:48:170
3580997441,27cyclictest955-21seq23:12:360
3580997344,12cyclictest10150irq/55-4a10000022:50:250
3580997243,12cyclictest10150irq/55-4a10000020:50:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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