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2023-06-05 - 15:55

x86 VIA Samuel 2 @533 MHz, Linux 3.18.9-rt4 (Profile)

Latency plot of system in rack #3, slot #7
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -n -a0 -t1 -p98 -i200 -h1000 -q
Total number of samples: 100 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 792 highest latencies:
System rack3slot7.osadl.org (updated Mon Jun 05, 2023 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140160ksoftirqd/06497-21kworker/0:107:04:040
14991310watchdog/015791-21df07:08:580
14991220watchdog/028679-21latency_hist11:28:340
11750212212sleep011800-21latency_hist08:43:340
14991210watchdog/019731-21awk09:09:060
22396211811sleep022402-21aten_r3power_cu09:18:510
14991180watchdog/09834-21nfs_client10:24:100
14991180watchdog/024767-21nfs_client11:14:060
14991180watchdog/021302-21latency_hist11:03:340
14991170watchdog/0241372sleep007:35:260
14991170watchdog/019273-21latency_hist09:08:340
14991160watchdog/027575-21runrttasks11:24:020
14991160watchdog/017576-21nfs_client07:14:060
14991150watchdog/02075-21sendmail_mailqu08:09:140
14991150watchdog/017144-21munin-node10:49:020
14991120watchdog/03178-21runrttasks09:30:460
14991120watchdog/01017-21df11:43:580
14991110watchdog/06842chrt09:54:020
14991110watchdog/010156-21df_inode12:14:020
14991100watchdog/031415-21needreboot07:59:100
14991090watchdog/028314-21chrt07:49:020
14991090watchdog/020480-21egrep10:59:100
14991080watchdog/03178-21runrttasks12:21:140
14991070watchdog/05491-21sh11:58:540
14991070watchdog/04652-21aten_r3power_vo08:19:020
14991060watchdog/03310-21latency_hist10:03:340
961501030irq/14-ide025201-21df_inode07:39:010
5111210311sleep05128-21aten_r3power_vo10:09:020
2615501020irq/11-eth05902-21munin-node08:24:090
14991020watchdog/0192992chrt10:55:140
261550970irq/11-eth011878-21mailstats08:43:480
96150940irq/14-ide031955-21df11:38:590
261550930irq/11-eth08603-21ntp_offset12:08:590
15374989215cyclictest32333-21munin-node08:04:140
15374988412cyclictest31323-21munin-node09:49:020
1499820watchdog/03900-21cut10:04:060
1499820watchdog/030344-21nfs_client09:44:060
1499820watchdog/022041-21unixbench_singl07:29:020
15374988113cyclictest27311-21runrttasks07:45:130
15374988113cyclictest13309-21latency_hist08:48:340
15374988112cyclictest6523-21df10:13:590
15374988029cyclictest8032-21df10:18:590
1499800watchdog/02767-21chrt11:49:020
15374987912cyclictest4355-21nfs_client11:54:060
15374987912cyclictest20122-21munin-node07:23:560
15374987912cyclictest16282-21latency_hist08:58:340
15374987813cyclictest18479-21latency_hist07:18:350
15374987813cyclictest14563-21aten_r3power_vo12:28:590
15374987812cyclictest8878-21munin-node08:34:040
1499780watchdog/025901-21mailstats11:18:540
15374987713cyclictest28875-21nfs_client09:39:050
15374987712cyclictest30242-21latency_hist11:33:340
15374987712cyclictest27644-21aten_r3power_po09:34:130
15374987712cyclictest23152-21df_inode11:09:000
15374987712cyclictest15572-21munin-node10:43:560
15374987712cyclictest13322-21nfs_client12:24:070
1499770watchdog/016742-21runrttasks12:34:540
15374987614cyclictest8792-21latency_hist08:33:330
15374987612cyclictest7605-21aten_r3power_en12:04:130
15374987612cyclictest21375-21nfs_client09:14:070
15374987612cyclictest16776-21head08:59:020
15374987612cyclictest10916-21aten_r3power_cu10:28:480
15374987513cyclictest3479-21needreboot08:14:140
15374987513cyclictest13428-21runrttasks10:36:110
15374987512cyclictest29515-21df07:53:580
15374987512cyclictest24075-21df09:24:030
15374987512cyclictest14050-21df10:39:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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