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2026-01-01 - 21:15
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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 376 highest latencies:
System rack4slot3.osadl.org (updated Thu Jan 01, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1184127450,5sleep011842-21latency_hist07:10:580
14831210914,31sleep014848-21sensors_volt12:16:470
7416210414,16sleep07470-21munin-node10:16:090
8864210314,16sleep08918-21munin-node08:41:090
1699821020,4sleep016996-21aten_r4power_po09:06:080
31611210015,17sleep031612-21diskstats08:11:150
118709910014,76cyclictest18561-21chrt10:50:220
2039129915,16sleep020395-21df_inode09:16:120
647029814,18sleep06485-21munin-node11:51:370
919829715,16sleep09201-21diskstats10:21:180
2871529714,16sleep028747-21iostat09:41:240
2348029714,16sleep023481-21diskstats07:46:150
1958629714,16sleep019616-21pluginstate12:31:440
1316729714,16sleep03448-21lldpd07:14:020
11870999716,71cyclictest21040-21munin-node12:36:310
1097229713,16sleep011007-21if_eth010:26:240
3009229614,17sleep030119-21fw_packets08:06:190
2867129614,16sleep028676-21df11:21:120
2721629615,16sleep027218-21memory09:36:320
309129514,15sleep03093-21ntpq10:01:440
3046229514,16sleep030469-21memory09:46:310
2427929515,16sleep024277-21ntp_states11:06:410
1873029514,16sleep018734-21df09:11:100
1830429515,16sleep018308-21users12:26:560
2572729414,16sleep025725-21ntp_states09:31:420
2387529415,16sleep023878-21iostat_ios09:26:260
2044329414,16sleep020446-21iostat07:36:250
1676429413,15sleep016805-21aten_r4power_en07:26:090
1432829414,17sleep014340-21switchtime07:16:510
1258829414,17sleep012592-21hddtemp_smartct10:31:220
835229314,16sleep08371-21wc11:56:500
1896129314,16sleep018962-21diskstats10:51:170
1593429314,16sleep015936-21irqstats10:41:300
11870999315,69cyclictest28586-21irqstats08:01:270
11870999315,68cyclictest9675-21latency12:01:320
11870999315,68cyclictest25269-21munin-node11:11:080
11870999314,69cyclictest13357-21timerwakeupswit12:11:570
115029314,16sleep01153-21diskstats11:36:160
1123029314,16sleep011231-21irqstats12:06:280
449629213,16sleep04499-21diskstats11:46:150
266829214,16sleep02671-21iostat_ios08:21:240
1856229215,16sleep018565-21df07:31:140
11870999215,68cyclictest3695-21runrttasks07:43:500
11870999214,68cyclictest782-21wget09:56:080
11870999214,68cyclictest13864-21munin-node10:36:070
97229114,16sleep01004-21iostat08:16:240
3222429114,16sleep032220-21ntp_states09:51:400
543629014,16sleep05445-21munin-run08:30:570
11870999015,66cyclictest4646-21missed_timers10:06:320
1535128914,15sleep015349-21diskstats07:21:150
11870998914,66cyclictest7397-21munin-node08:36:180
11870998914,66cyclictest5767-21aten_r4power_en10:11:080
11870998914,66cyclictest3590-21munin-node11:16:070
11870998914,66cyclictest22461-21kernelversion11:01:310
11870998914,65cyclictest14614-21cat08:56:540
1643328814,15sleep016453-21sendmail_mailst12:21:470
11870998815,63cyclictest25763-21munin-node07:51:490
2305528714,19sleep00-21swapper09:23:400
11870998714,64cyclictest6075-21munin-node08:31:330
1157028714,15sleep00-21swapper08:47:510
378728614,19sleep00-21swapper11:42:470
3211428614,16sleep032118-21smartctl11:31:220
11870998614,36cyclictest12066-21munin-node08:51:180
11870998514,62cyclictest16331-21runrttasks09:01:590
2761728314,15sleep00-21swapper07:57:300
11870998315,59cyclictest30369-21fschecks_count11:26:180
2143728214,15sleep00-21swapper10:57:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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