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2025-11-28 - 23:48
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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 376 highest latencies:
System rack3slot2.osadl.org (updated Fri Nov 28, 2025 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
302281222840,3sleep03022813-21ssh12:38:540
292829422540,4chrt2928247-31find07:38:590
292909222490,3chrt2929087-21ntp_states07:41:100
293070422440,3chrt2930703-21/usr/sbin/munin07:46:190
300201722430,3chrt3001673-21/usr/sbin/munin11:35:380
295099522430,3chrt2950993-21diskstats09:00:200
298112322410,3chrt2981121-21grep10:31:520
298235622400,3chrt2982353-21ntpq10:35:510
297265822400,3chrt2972652-21ntpq10:06:390
299509722390,3chrt2995098-21latency_hist11:15:090
299168722390,4chrt2991686-21ssh11:04:540
300085122270,3chrt3000852-21switchtime11:31:510
292031422250,4chrt2920313-21awk07:10:250
301717122240,4chrt3017162-21ntp_states12:21:350
293310722100,2sleep02933106-21sshd07:55:370
294835122080,2sleep02948349-21load08:50:270
298021122010,3chrt1-21systemd10:30:090
295406121940,3sleep02954063-21ntpq09:10:460
295773421930,3chrt2957724-21ntpq09:21:500
301530521860,2sleep03015307-21rm12:15:520
292001499185155,20cyclictest29-21kswapd010:10:270
292001499184156,18cyclictest2960189-21kworker/u2:209:31:360
292001499183152,19cyclictest2981791-21kworker/u2:310:46:490
292001499181150,20cyclictest3009419-21kworker/u2:212:00:050
296291821800,2sleep02962919-21basename09:36:560
292001499180150,20cyclictest29-21kswapd009:50:270
295016821790,4chrt2950167-21/usr/sbin/munin08:56:180
292001499179150,20cyclictest29-21kswapd010:21:400
292001499179148,20cyclictest29-21kswapd012:11:270
292001499179146,21cyclictest29-21kswapd010:56:400
292001499174144,20cyclictest29-21kswapd009:46:300
299762021720,3chrt2997621-21timerandwakeup11:21:510
292001499172141,19cyclictest3004868-21kworker/u2:112:10:090
292001499171142,19cyclictest2994793-21kworker/u2:211:16:440
292001499170139,19cyclictest2921850-21kworker/u2:207:35:060
292001499168137,20cyclictest2960189-21kworker/u2:210:45:050
292001499166137,18cyclictest2986627-21kworker/u2:111:26:320
292001499165135,19cyclictest2968606-21kworker/u2:010:00:100
292001499165135,19cyclictest2939469-21kworker/u2:108:31:130
292001499164136,19cyclictest2975205-21kworker/u2:310:16:500
292001499164134,19cyclictest2941007-21kworker/u2:208:30:070
302043421630,4chrt3020430-21ntpq12:31:260
292001499163133,20cyclictest29-21kswapd011:46:280
292001499161131,19cyclictest3002724-21kworker/u2:011:41:540
292001499161131,19cyclictest2921850-21kworker/u2:207:20:070
292001499161128,20cyclictest2936820-21kworker/u2:008:15:070
292468221600,3chrt2924681-21ld07:25:360
292001499155124,20cyclictest2948441-21kworker/u2:109:15:480
292001499154123,19cyclictest2956667-21kworker/u2:009:41:540
292001499152122,19cyclictest2936820-21kworker/u2:008:21:200
292001499151123,17cyclictest2958381-21kworker/u2:109:25:270
292001499151122,18cyclictest2962213-21kworker/u2:110:00:400
292001499151121,19cyclictest3009419-21kworker/u2:212:01:480
292001499150120,19cyclictest84-21jbd2/mmcblk0p2-12:25:570
292001499150120,19cyclictest2921850-21kworker/u2:207:21:200
292001499145114,20cyclictest2997755-21kworker/u2:311:55:070
292001499144114,19cyclictest2948441-21kworker/u2:109:10:060
292001499144113,19cyclictest2978457-21kworker/u2:010:50:210
292001499143113,19cyclictest2934043-21kworker/u2:108:05:030
292001499142113,18cyclictest2913474-21kworker/u2:107:10:070
292001499142112,19cyclictest2931734-21kworker/u2:208:10:070
292001499142111,19cyclictest2931734-21kworker/u2:208:16:160
292001499141110,18cyclictest2931734-21kworker/u2:207:55:070
292001499140111,19cyclictest2945104-21kworker/u2:208:50:040
292001499140110,19cyclictest2939469-21kworker/u2:108:35:380
292001499139110,18cyclictest2991350-21kworker/u2:011:06:510
292001499139109,19cyclictest2945104-21kworker/u2:208:45:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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