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2025-11-22 - 00:02
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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 Fri Nov 21, 2025 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
346224623430,3sleep03462243-21sshd07:05:320
350921123090,2sleep03509212-21collect209:46:230
354929822620,2sleep03549301-21wc11:45:390
352254822550,2sleep03522551-21sort10:25:400
354285822470,4chrt3542855-21ntpq11:26:060
346809822460,4chrt3468099-21gzip07:26:140
347602022450,3chrt3476018-21diskstats07:55:180
351713822440,3chrt3517128-21apt-get10:10:120
353271222420,3chrt3532700-21ntpq10:55:450
354154322400,3chrt3541541-21/usr/sbin/munin11:21:520
350395322400,2sleep03503954-21ntpq09:30:430
346318299221190,19cyclictest84-21jbd2/mmcblk0p2-07:40:050
351065622190,3sleep03510658-21missed_timers09:50:410
350713122130,2sleep03507129-21if_err_wlan009:40:300
349800222110,3sleep03498003-21ssh09:12:590
353558522090,3chrt1-21systemd11:05:040
354786322070,3sleep03547865-21awk11:41:100
354596122070,2sleep03545962-21ls11:35:350
352556721980,2sleep03525568-21cut10:35:110
352672521910,3sleep03526726-21rm10:37:580
349905221910,2sleep03499053-21sh09:16:120
346318299186156,18cyclictest3503104-21kworker/u2:109:55:290
346318299186151,22cyclictest3490843-40find08:47:320
352757121850,3chrt3527572-21latency10:40:380
346318299185155,18cyclictest3492388-21kworker/u2:009:25:280
356232221840,4chrt3562320-21/usr/sbin/munin12:25:110
346318299179147,21cyclictest84-21jbd2/mmcblk0p2-10:25:040
356556521780,2sleep03565568-21latency_hist12:35:090
353661321750,2sleep03536614-21ls11:06:580
346318299173143,19cyclictest84-21jbd2/mmcblk0p2-07:15:040
346318299173143,19cyclictest3472900-21kworker/u2:107:46:180
346318299171139,20cyclictest84-21jbd2/mmcblk0p2-09:10:050
355121321700,3chrt3551208-21ntpq11:51:270
346318299170140,19cyclictest3467378-21kworker/u2:207:31:160
353827921680,4chrt3538278-21/usr/sbin/munin11:11:590
346318299168138,19cyclictest3520018-21kworker/u2:010:20:010
350035821670,4chrt3500352-21df_inode09:20:200
348047921650,4chrt3480476-21ntpq08:10:400
346318299163133,19cyclictest29-21kswapd008:55:220
349133521620,3sleep03491338-21grep08:50:130
353969821600,4chrt3539697-21awk11:16:450
352927621590,2sleep03529274-21memory10:45:390
346318299156126,19cyclictest3558348-21kworker/u2:012:26:510
346318299155126,18cyclictest3487442-21kworker/u2:008:40:310
346318299153123,20cyclictest3544172-21kworker/u2:112:11:520
346318299148119,19cyclictest3567097-21kworker/u2:112:40:070
346318299147119,18cyclictest3544172-21kworker/u2:112:15:340
346318299147116,19cyclictest3544172-21kworker/u2:112:01:300
346318299145117,17cyclictest3530204-21kworker/u2:010:50:290
346318299144115,19cyclictest3472900-21kworker/u2:107:51:200
346318299144114,20cyclictest3528461-21kworker/u2:211:55:430
346318299144114,19cyclictest3544172-21kworker/u2:112:07:430
346318299144111,22cyclictest3473018-21true07:45:010
346318299143113,19cyclictest3511888-21kworker/u2:310:00:370
346318299143113,19cyclictest3493962-21kworker/u2:109:05:040
346318299143112,20cyclictest3482796-21kworker/u2:108:35:340
346318299142113,19cyclictest3514947-21kworker/u2:210:10:580
346318299139109,19cyclictest3544172-21kworker/u2:111:31:490
346318299137106,20cyclictest3465066-21kworker/u2:107:25:080
346318299136106,19cyclictest84-21jbd2/mmcblk0p2-08:30:060
346318299135108,18cyclictest3504920-21kworker/u2:209:37:430
346318299134105,18cyclictest3475818-21kworker/u2:008:25:050
346318299133108,16cyclictest3481104-21kworker/u2:208:19:320
346318299132105,18cyclictest3482796-21kworker/u2:108:31:430
346318299131101,20cyclictest3465066-21kworker/u2:107:16:150
34631829912899,18cyclictest3475818-21kworker/u2:008:05:310
34631829912191,19cyclictest3477703-21kworker/u2:108:00:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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