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2025-05-12 - 08:26
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack3slot2.osadl.org (updated Mon May 12, 2025 00:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
329305522900,3sleep03293056-21netstat23:45:420
327573722730,3chrt3275735-21ssh22:55:170
324890722530,3chrt3248905-21ssh21:36:200
329652922460,2sleep03296527-21ntp_kernel_pll_23:55:550
321668122270,3sleep03216682-21collect219:46:030
322910322210,4chrt3229104-21ld20:30:480
327774022200,4chrt3277738-21ntpq23:00:430
323132822190,2sleep03231329-21sh20:40:000
320632499218189,18cyclictest3253037-21kworker/u2:022:00:300
328124522060,2sleep03281246-21ld23:11:060
330324322030,3sleep03303245-21cat00:15:430
325237922020,3sleep03252380-21rm21:46:320
327246522000,2sleep03272466-21awk22:45:330
320632499198169,18cyclictest3253037-21kworker/u2:021:56:390
320632499192162,20cyclictest29-21kswapd021:16:350
320632499191160,19cyclictest3215070-21kworker/u2:019:45:040
328752321900,3sleep03287525-21grep23:30:090
327460321900,2sleep03274604-21rm22:51:460
320632499190159,19cyclictest84-21jbd2/mmcblk0p2-20:55:040
323215221860,2sleep03232153-21run-parts20:41:210
320632499182151,20cyclictest3290710-21kworker/u2:323:55:080
322615321810,4chrt3226155-21latency20:20:270
329182221790,2sleep03291823-21basename23:41:590
320632499179151,18cyclictest3278717-21kworker/u2:123:20:050
320632499179149,18cyclictest3242725-21kworker/u2:322:25:030
320632499177148,18cyclictest3242725-21kworker/u2:322:35:060
322021321760,3chrt3220214-21sendmail19:59:590
320632499176147,18cyclictest3244547-21kworker/u2:221:30:070
320632499176147,18cyclictest3242725-21kworker/u2:322:20:020
320632499176145,20cyclictest29-21kswapd000:31:350
320632499175146,18cyclictest3288864-21kworker/u2:100:05:040
326946221740,4chrt3268837-21/usr/sbin/munin22:36:390
324150821740,3sleep03241510-21grep21:15:120
320632499173146,16cyclictest3256193-21kworker/u2:223:30:300
320632499173143,18cyclictest3206333-21kworker/u2:219:15:050
320632499172143,17cyclictest3297599-21kworker/u2:000:20:260
320632499172139,21cyclictest3299653-21forks00:05:270
320632499171143,18cyclictest3256193-21kworker/u2:223:10:040
320632499169143,17cyclictest3209615-21kworker/u2:019:25:030
320632499169141,17cyclictest3253037-21kworker/u2:021:55:060
320632499168139,19cyclictest3293717-21kworker/u2:200:35:260
323967921660,4chrt3239682-21diskmemload21:10:010
321393321650,2sleep03213934-21ld19:36:160
320632499163135,18cyclictest3281922-21kworker/u2:023:21:580
320632499162134,17cyclictest3251196-21kworker/u2:121:45:080
320632499161133,16cyclictest3297599-21kworker/u2:000:26:000
320632499161132,19cyclictest3239683-21kworker/u2:121:22:060
322804421600,4chrt3228043-21grep20:26:200
320632499160129,19cyclictest3281922-21kworker/u2:023:35:590
320632499159130,17cyclictest3269038-21kworker/u2:122:45:100
320632499156127,18cyclictest3256193-21kworker/u2:222:10:050
320632499156127,18cyclictest3235246-21kworker/u2:021:05:010
320632499156126,18cyclictest3221629-21kworker/u2:220:06:210
320632499154126,17cyclictest3248174-21kworker/u2:021:35:070
320632499154123,19cyclictest3217455-21kworker/u2:119:51:240
320632499153123,20cyclictest3224251-21kworker/u2:120:16:180
320632499150118,20cyclictest3297599-21kworker/u2:000:10:240
320632499147119,17cyclictest3221629-21kworker/u2:220:11:180
320632499145116,18cyclictest3203997-21kworker/u2:019:10:010
320632499145116,17cyclictest3208155-21kworker/u2:119:35:030
320632499144114,18cyclictest3206333-21kworker/u2:219:15:350
320632499143115,18cyclictest3242725-21kworker/u2:322:30:100
320632499143113,21cyclictest29-21kswapd022:11:340
320632499141110,19cyclictest3209615-21kworker/u2:019:25:430
320632499138111,17cyclictest3227205-21kworker/u2:120:50:050
320632499136107,18cyclictest3219915-21kworker/u2:020:01:130
32063249912798,18cyclictest3227205-21kworker/u2:120:56:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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