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2026-04-25 - 14:09
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack4slot3.osadl.org (updated Sat Apr 25, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4489212020,79sleep04520-21munin-node07:13:420
9074210914,35sleep09101-21munin-node07:28:380
2808210815,21sleep02848-21netstat10:28:430
16777210215,16sleep016784-21munin-run11:13:060
14328210115,16sleep014353-21munin-node11:03:510
7250210014,16sleep07305-21aten_r4power_po12:23:190
5982210014,25sleep05999-21if_err_eth012:18:310
1251629915,16sleep012519-21ntp_states07:38:470
330429814,16sleep03250-21snmpd08:49:490
2667129814,16sleep026672-21diskstats08:23:230
2428029814,16sleep024316-21ls11:34:010
1393529814,16sleep013963-21if_eth009:23:320
1231729814,16sleep012318-21diskstats12:38:230
1184829714,16sleep011906-21wc09:18:060
5371999614,72cyclictest7481-21latency07:23:380
3065829614,16sleep030661-21smart_hda11:53:560
1878829614,16sleep018794-21hddtemp_smartct09:38:310
1554829614,16sleep015549-21iostat_ios07:48:340
903629514,16sleep09065-21df_inode12:28:210
252029514,16sleep02523-21diskstats12:08:230
5371999415,70cyclictest8588-21sh09:08:040
5371999414,71cyclictest18756-21if_eth007:58:310
3196829414,16sleep031971-21ntp_states08:38:480
2682629414,16sleep026829-21diskstats11:43:240
2243029414,16sleep022453-21munin-node09:48:540
2118529414,19sleep00-21swapper11:24:200
1392529414,16sleep013928-21iostat_ios07:43:350
1273029414,16sleep012778-21ps10:58:520
5371999315,69cyclictest7776-21ntp_kernel_pll_10:43:440
5371999314,69cyclictest17175-21chrt09:33:300
417729315,16sleep04236-21perl10:33:270
399129314,16sleep04000-21df08:53:200
2697129314,16sleep026974-21iostat_ios10:03:360
1710029315,16sleep017103-21diskstats11:13:240
922029214,16sleep09221-21iostat_ios10:48:360
5371999214,67cyclictest25294-21ls09:58:340
421229214,21sleep03995-21munin-node12:13:260
2851929214,16sleep028520-21iostat_ios08:28:360
5371999116,53cyclictest5671-21tune2fs07:18:400
5371999115,67cyclictest1276-21netstat12:03:450
5371999114,68cyclictest31709-21grep10:18:260
1046429114,16sleep010465-21diskstats07:33:250
5371999015,66cyclictest22428-21munin-node11:28:520
5371999014,67cyclictest8818-21munin-node09:08:180
5371999014,66cyclictest29898-21munin-node10:13:170
5371999013,68cyclictest20454-21if_eth009:43:320
3229129014,16sleep032339-21ls11:58:590
2875829015,16sleep028759-21memory11:48:410
1584129014,16sleep015839-21ntp_states09:28:490
582328913,15sleep05867-21cat08:58:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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