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2025-07-11 - 14:11
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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 100 highest latencies:
System rack3slot2.osadl.org (updated Fri Jul 11, 2025 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
122713922950,2sleep01227141-21latency_hist08:35:080
126368122570,3chrt1263680-21/usr/sbin/munin10:30:520
122205822560,4chrt1222056-21ntp_states08:15:590
123785622470,4chrt1237854-21users09:11:550
124201622460,4chrt1242014-21df_inode09:25:230
120933322410,4chrt1209334-21gcc07:30:330
130619122380,3chrt1306189-21ssh12:39:450
124090122340,2sleep01240902-21ld09:21:460
128764122320,3chrt1287639-21ssh11:43:300
124576822100,3sleep01245766-21sshd09:36:250
130225422040,2sleep01302255-21cat12:26:530
127471721990,2sleep01274718-21sh11:05:030
127637921980,2sleep01276380-21sh11:10:050
120330999198130,58cyclictest1211537-31find07:38:520
128896521950,2sleep01288967-21ls11:46:520
120330999192158,21cyclictest1211976-21/usr/sbin/munin07:40:240
120330999183150,22cyclictest1290179-21md.daily11:51:030
120330999183122,51cyclictest29-21kswapd010:11:200
127304621800,2sleep01273047-21readlink11:00:010
120330999177138,19cyclictest1251334-21kworker/u2:210:21:420
129565021760,3sleep01295653-21sort12:06:510
120330999174142,21cyclictest29-21kswapd009:55:280
129465021720,4chrt1294648-21ls12:05:080
129881021710,2sleep01298812-21find12:16:500
120330999169139,20cyclictest29-21kswapd008:46:040
126861421680,3chrt1268599-21ntpq10:45:500
120330999168139,20cyclictest84-21jbd2/mmcblk0p2-09:00:030
120330999168136,20cyclictest84-21jbd2/mmcblk0p2-11:20:050
126324921660,4chrt1263248-21sed10:30:100
128457921630,3chrt1284577-21cron11:35:000
124894621630,3chrt1248947-21rm09:46:030
120809521630,4chrt1208093-21ntpq07:26:000
130465621620,2chrt1304657-21cat12:35:100
121473621620,4chrt1214734-21diskstats07:50:190
120330999162132,21cyclictest29-21kswapd009:51:290
120330999162129,22cyclictest112-21systemd-journal08:45:040
123622621600,3chrt1236225-21/usr/sbin/munin09:06:290
129206121590,4chrt1292024-21ntp_states11:56:440
120330999159129,19cyclictest84-21jbd2/mmcblk0p2-10:20:060
120330999157127,20cyclictest29-21kswapd010:35:260
120330999156127,19cyclictest29-21kswapd010:51:280
120330999148118,19cyclictest1215000-21kworker/u2:208:01:190
120330999147116,20cyclictest84-21jbd2/mmcblk0p2-08:40:070
120330999145114,20cyclictest84-21jbd2/mmcblk0p2-07:21:240
120330999144115,20cyclictest29-21kswapd008:50:220
120330999141109,22cyclictest1281306-21true11:25:030
120330999139109,19cyclictest84-21jbd2/mmcblk0p2-10:10:040
120330999137106,20cyclictest84-21jbd2/mmcblk0p2-10:40:470
12033099912999,19cyclictest1190902-21kworker/u2:107:13:260
12033099912871,47cyclictest84-21jbd2/mmcblk0p2-11:25:530
120330999128100,19cyclictest29-21kswapd012:21:290
12033099912292,19cyclictest84-21jbd2/mmcblk0p2-08:05:390
12033099912090,19cyclictest1235875-21kworker/u2:009:17:030
12033099911989,20cyclictest84-21jbd2/mmcblk0p2-07:46:160
12033099911888,20cyclictest29-21kswapd011:36:300
127722721160,2sleep01277229-21sh11:11:460
12033099911690,18cyclictest1243168-21kworker/u2:309:44:300
12033099911585,21cyclictest29-21kswapd009:30:270
12033099911283,18cyclictest84-21jbd2/mmcblk0p2-09:00:380
125374421070,3sleep01253745-21ssh10:00:360
12033099910651,44cyclictest84-21jbd2/mmcblk0p2-12:11:200
12033099910575,19cyclictest1224278-21kworker/u2:008:26:170
1203309999129,50cyclictest1220679-21ntpq08:11:030
1203309998911,53cyclictest1216044-21/usr/sbin/munin07:55:130
1203309998910,53cyclictest1205112-21missed_timers07:15:320
1203309998760,18cyclictest1221102-21kworker/u2:208:22:490
1203309998111,58cyclictest1203316-21true07:10:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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