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2026-09-07 - 03:09
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack9slot4.osadl.org (updated Mon Sep 07, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31580114177sleep0-21swapper/108:39:111
318809911834cyclictest14920-21ntp_kernel_pll_12:55:030
318809911240cyclictest11973-21/usr/sbin/munin09:19:570
318809910934cyclictest31503-21ntp_kernel_err10:19:580
318809910933cyclictest32473-21latency_hist12:09:320
31708110971sleep0-21swapper/008:39:190
318809910835cyclictest25775-21missed_timers13:30:040
318809910736cyclictest297-21snmpd12:30:020
318809910634cyclictest20275-21latency_hist13:14:340
318809910532cyclictest24599-21latency_hist11:44:310
318809910522cyclictest316-21runrttasks09:04:260
318809910432cyclictest27986-21latency_hist13:39:350
318809910333cyclictest14353-21needreboot09:24:560
318809910331cyclictest16464-21needreboot13:00:030
318809910329cyclictest16529-21latency_hist09:34:270
318809910235cyclictest5044-21/usr/sbin/munin08:54:560
318809910229cyclictest4139-21latency_hist08:54:270
318809910229cyclictest22108-21missed_timers09:49:580
318809910229cyclictest22108-21missed_timers09:49:580
318809910133cyclictest12132-21latency_hist11:04:300
3188099998cyclictest0-21swapper/011:20:100
31880999932cyclictest29353-21latency_hist11:59:320
31880999931cyclictest1-21systemd10:57:360
31880999930cyclictest19724-21latency_hist09:44:270
31880999928cyclictest1240-21latency_hist10:29:290
31880999928cyclictest1240-21latency_hist10:29:290
31880999829cyclictest12188-21chrt12:46:120
31880999825cyclictest0-21swapper/011:24:310
31880999729cyclictest4691-21latency_hist12:24:320
31880999729cyclictest17485-21ntp_kernel_pll_09:34:570
31880999623cyclictest31223-21/usr/sbin/munin13:50:040
31880999525cyclictest0-21swapper/009:14:270
3188099949cyclictest0-21swapper/012:04:540
31880999429cyclictest5873-21chrt10:44:060
31880999424cyclictest25955-21latency_hist10:04:290
31880999226cyclictest0-21swapper/014:00:050
31880999226cyclictest0-21swapper/014:00:050
3188099909cyclictest0-21swapper/012:40:020
3188099907cyclictest0-21swapper/012:25:020
31880999024cyclictest0-21swapper/008:49:260
31880999021cyclictest15224-21runrttasks11:14:070
31880999018cyclictest0-21swapper/011:49:310
31880998927cyclictest4955-21latency_hist14:09:350
31880998927cyclictest19643-21latency_hist09:44:270
31880998917cyclictest8790-21latency_hist09:09:260
3188099888cyclictest0-21swapper/013:40:070
31880998825cyclictest2775-21latency_hist10:34:290
31880998810cyclictest0-21swapper/011:29:350
3188099879cyclictest0-21swapper/012:49:380
3188099878cyclictest0-21swapper/013:45:050
31880998724cyclictest0-21swapper/011:05:000
31880998721cyclictest74-21mmcqd/013:59:170
3188099869cyclictest0-21swapper/010:35:090
3188099868cyclictest0-21swapper/010:49:590
31880998626cyclictest74-21mmcqd/011:14:490
31880998622cyclictest28662-21ntp_kernel_err11:55:010
31880998616cyclictest0-21swapper/010:09:280
3188099858cyclictest0-21swapper/013:22:080
3188099849cyclictest0-21swapper/013:04:390
3188099849cyclictest0-21swapper/008:39:560
31880998416cyclictest24319-21latency_hist09:59:280
31880998415cyclictest0-21swapper/012:19:320
3188099839cyclictest0-21swapper/013:24:390
3188099839cyclictest0-21swapper/013:24:390
3188099838cyclictest0-21swapper/010:17:160
3188099809cyclictest0-21swapper/013:10:030
3188099778cyclictest0-21swapper/010:46:410
31880997723cyclictest21606-21cut11:34:410
31891997540cyclictest12216-21sshd12:46:391
31880997528cyclictest0-21swapper/010:14:280
31880997436cyclictest26559-21diskstats11:49:480
31880997112cyclictest0-21swapper/009:17:390
31880997112cyclictest0-21swapper/009:17:390
3188099698cyclictest0-21swapper/012:36:440
31891996633cyclictest30218-21/usr/sbin/munin12:00:021
31891996547cyclictest1358-21/usr/sbin/munin08:44:441
22950650irq/18-spi_topc0-21swapper/112:09:091
31891996434cyclictest21124-21/usr/sbin/munin13:15:011
31891996432cyclictest25597-21/usr/sbin/munin10:00:071
31891996429cyclictest2881-21/usr/sbin/munin14:00:101
31891996429cyclictest2881-21/usr/sbin/munin14:00:101
31891996346cyclictest18245-21sshd11:22:371
31891996330cyclictest21881-21/usr/sbin/munin11:34:461
31891996245cyclictest9920-21unixbench_multi09:10:061
31891996245cyclictest15914-21df12:59:491
31891996244cyclictest21334-21sshd11:32:121
31891996231cyclictest32642-21/usr/sbin/munin12:09:461
31891996230cyclictest6559-21/usr/sbin/munin10:44:521
31891996230cyclictest18791-21/usr/sbin/munin09:39:511
31891996230cyclictest1001-21/usr/sbin/munin13:55:011
31891996229cyclictest6992-21sshd09:01:331
31891996229cyclictest12273-21/usr/sbin/munin09:19:451
31891996132cyclictest13158-21/usr/sbin/munin12:49:571
31891996132cyclictest11513-21needreboot11:00:011
31891996131cyclictest23717-21/usr/sbin/munin11:39:561
31891996131cyclictest14364-21/usr/sbin/munin12:54:501
31891996130cyclictest29019-21/usr/sbin/munin13:40:091
31891996130cyclictest10110-21/usr/sbin/munin12:40:001
31891996129cyclictest9419-21/usr/sbin/munin10:54:461
31891996129cyclictest8441-21/usr/sbin/munin12:34:571
31891996129cyclictest7137-21/usr/sbin/munin12:30:041
31891996129cyclictest31856-21/usr/sbin/munin13:49:591
31891996129cyclictest31392-21/usr/sbin/munin10:19:551
31891996129cyclictest30623-21/usr/sbin/munin13:45:091
31891996128cyclictest32715-21/usr/sbin/munin08:39:531
31891996128cyclictest2606-21/usr/sbin/munin12:15:071
3189199608cyclictest0-21swapper/108:54:441
31891996045cyclictest26556-21basename13:34:461
31891996044cyclictest22161-21/usr/sbin/munin13:19:531
31891996030cyclictest17470-21/usr/sbin/munin13:04:481
31891996029cyclictest5315-21/usr/sbin/munin10:40:071
31891996029cyclictest28093-21/usr/sbin/munin10:09:511
31891996029cyclictest23787-21/usr/sbin/munin13:24:541
31891996029cyclictest23787-21/usr/sbin/munin13:24:541
31891996029cyclictest1954-21/usr/sbin/munin10:29:531
31891996028cyclictest8275-21/usr/sbin/munin09:05:021
31891996028cyclictest2815-21/usr/sbin/munin08:49:371
31891996028cyclictest15708-21/usr/sbin/munin09:29:531
31891996027cyclictest26552-21/usr/sbin/munin10:04:511
3189199598cyclictest0-21swapper/110:34:461
31891995943cyclictest7621-21/usr/sbin/munin10:49:401
31891995943cyclictest32246-21/usr/sbin/munin10:24:401
31891995943cyclictest32246-21/usr/sbin/munin10:24:401
31891995943cyclictest28115-21df_inode11:54:491
31891995929cyclictest3461-21/usr/sbin/munin14:04:471
31891995929cyclictest26321-21/usr/sbin/munin11:49:421
31891995929cyclictest17614-21/usr/sbin/munin09:35:021
31891995929cyclictest16033-21/usr/sbin/munin11:14:561
31891995928cyclictest4006-21/usr/sbin/munin12:20:041
31891995928cyclictest25903-21/usr/sbin/munin13:30:091
31891995928cyclictest24917-21/usr/sbin/munin11:44:441
31891995928cyclictest14576-21/usr/sbin/munin09:25:041
31891995927cyclictest23870-21/usr/sbin/munin09:55:031
31891995927cyclictest19137-21/usr/sbin/munin11:24:541
31891995927cyclictest14570-21memory11:09:591
31891995927cyclictest11236-21/usr/sbin/munin09:14:551
31891995927cyclictest11236-21/usr/sbin/munin09:14:551
31891995918cyclictest465-21systemd-journal13:12:341
31891995843cyclictest22081-21memory09:49:571
31891995843cyclictest22081-21memory09:49:571
31891995827cyclictest5086-21/usr/sbin/munin12:24:511
31891995726cyclictest12520-21/usr/sbin/munin11:04:451
31891995626cyclictest20302-21/usr/sbin/munin09:44:501
31891995623cyclictest29713-21/usr/sbin/munin10:14:521
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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