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2023-09-30 - 10:45
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Characteristics of the highest latencies:
System rack3slot2.osadl.org (updated Sat Sep 30, 2023 00:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
240183322930,4chrt2401834-21chmod21:20:080
236499199289259,20cyclictest29-21kswapd023:26:310
243348022670,3chrt2433477-21ps23:11:320
244767722620,3chrt2447673-21diskstats00:01:020
236499199258226,21cyclictest2447012-21gzip00:00:060
243469722450,4chrt2434687-21ntpq23:16:040
242458622430,3chrt2424572-21apt-get22:40:220
241375622390,3chrt2413753-21ntpq22:01:050
236971722350,4chrt2369718-21ld19:26:010
236499199226191,23cyclictest2402228-21appstreamcli21:20:200
236433022250,3sleep02364333-21wc19:06:150
241614722190,4chrt2416143-21apt-get22:10:210
236499199213184,19cyclictest2425810-21kworker/u2:222:50:070
245678821990,3sleep02456787-21systemctl00:31:390
236499199199173,17cyclictest2369409-21kworker/u2:119:30:080
243652921930,3chrt2435698-21/usr/sbin/munin23:21:430
245490521890,3chrt2454744-21/usr/sbin/munin00:25:400
239694321830,3sleep02396944-21proc_pri21:01:380
236499199181150,20cyclictest84-21jbd2/mmcblk0p2-22:31:000
239484921760,2sleep02394853-21latency_hist20:55:060
238809821750,2sleep02388099-21df20:30:370
236499199173146,18cyclictest2453226-21kworker/u2:200:35:090
236499199169141,19cyclictest2372794-21kworker/u2:119:40:550
240502521670,4chrt2405024-21/usr/sbin/munin21:30:300
242952321650,5chrt2429524-21timerwakeupswit22:56:370
236499199165137,19cyclictest2417702-21kworker/u2:122:20:040
244957121640,2sleep02449573-21mailstats00:06:380
236499199164138,17cyclictest2365290-21kworker/u2:219:19:420
236499199164137,18cyclictest2376988-21kworker/u2:019:55:080
242326321620,4chrt2423262-21/usr/sbin/munin22:35:360
236499199162136,17cyclictest2358181-21kworker/u2:119:11:500
238561621610,3chrt2385599-21sendmail-mta20:21:050
239206621580,4chrt2392067-21latency_hist20:45:070
236499199156126,20cyclictest2400378-21kworker/u2:021:36:080
243885221540,2sleep02438850-21df_inode23:30:320
236499199153127,18cyclictest2372794-21kworker/u2:119:37:310
236499199145110,24cyclictest111-21systemd-journal21:55:060
236499199141116,17cyclictest2409362-21kworker/u2:121:50:000
236499199139113,17cyclictest2375039-21kworker/u2:219:50:390
236499199139112,18cyclictest2450640-21kworker/u2:100:18:300
236499199139112,18cyclictest2440006-21kworker/u2:223:37:170
236499199137111,17cyclictest2440006-21kworker/u2:223:49:560
236499199135109,17cyclictest2450640-21kworker/u2:100:14:560
236499199132106,17cyclictest2392296-21kworker/u2:020:49:260
236499199131107,16cyclictest2386458-21kworker/u2:120:38:560
236499199131105,17cyclictest2411803-21kworker/u2:021:58:390
236499199131104,17cyclictest2444369-21kworker/u2:023:54:490
236499199129104,17cyclictest2453226-21kworker/u2:200:24:370
236499199128103,17cyclictest2375039-21kworker/u2:220:04:220
236499199128102,17cyclictest2400378-21kworker/u2:021:43:570
236499199127101,17cyclictest2425810-21kworker/u2:222:49:320
313991260,10ntpd2404045-21ntpq21:26:140
236499199126101,17cyclictest2419379-21kworker/u2:222:22:390
23649919912499,17cyclictest2411803-21kworker/u2:022:07:090
23649919912499,16cyclictest2365290-21kworker/u2:219:23:510
23649919912296,17cyclictest2397834-21kworker/u2:221:12:520
23649919912195,17cyclictest2394396-21kworker/u2:220:56:480
23649919912194,18cyclictest2375039-21kworker/u2:219:46:500
313991140,62ntpd2381188-21ntpq20:06:110
313991140,10ntpd2442057-21ntpq23:41:250
23649919911181,19cyclictest2386458-21kworker/u2:121:09:040
31399990,11ntpd2430569-21ntpq23:01:130
31399960,9ntpd2382588-21ntpq20:11:180
24328032859,19sleep02432862-21latency_hist23:10:070
31399830,2ntpd121ktimers/020:25:270
31399830,2ntpd121ktimers/020:16:280
31399820,1ntpd121ktimers/022:25:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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