You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-12-02 - 05:16
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 rackcslot3.osadl.org (updated Tue Dec 02, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81810rcu_preempt8967-21ssh22:29:400
81730rcu_preempt0-21swapper/022:40:130
81720rcu_preempt1148-21sed22:14:461
81720rcu_preempt0-21swapper/119:06:591
81700rcu_preempt976-21sh22:14:311
81700rcu_preempt29785-21if_can021:05:040
81690rcu_preempt0-21swapper/120:30:091
81690rcu_preempt0-21swapper/000:15:050
81690rcu_preempt0-21swapper/000:01:320
81680rcu_preempt3882-21sh21:19:390
81680rcu_preempt31986-21/usr/sbin/munin00:14:461
81680rcu_preempt30801-21apt-get21:09:580
81680rcu_preempt0-21swapper/122:25:121
81680rcu_preempt0-21swapper/023:15:290
81670rcu_preempt699-21k10sensors00:15:111
81670rcu_preempt13384-21sh21:35:141
81670rcu_preempt13308-21sh22:36:070
81670rcu_preempt0-21swapper/123:35:111
81670rcu_preempt0-21swapper/122:30:011
81670rcu_preempt0-21swapper/122:04:441
81670rcu_preempt0-21swapper/120:55:071
81660rcu_preempt23834-21sh22:55:550
81660rcu_preempt21328-21ssh22:51:131
81660rcu_preempt20506-21munin-run20:29:460
81660rcu_preempt15174-21fgrep20:05:141
81660rcu_preempt1463-21ssh23:15:091
81660rcu_preempt1111-21munin-run21:14:461
81660rcu_preempt10253-21turbostat.cron00:34:451
81660rcu_preempt0-21swapper/123:55:131
81660rcu_preempt0-21swapper/121:30:501
81660rcu_preempt0-21swapper/021:45:430
81650rcu_preempt3442-21wc00:20:081
81650rcu_preempt28131-21ssh22:04:560
81650rcu_preempt18352-21vmstat22:45:131
81650rcu_preempt0-21swapper/122:20:101
81650rcu_preempt0-21swapper/121:57:201
81650rcu_preempt0-21swapper/121:25:141
81650rcu_preempt0-21swapper/120:53:201
81650rcu_preempt0-21swapper/020:05:180
81640rcu_preempt9466-21df_abs19:45:001
81640rcu_preempt10017-21kworker/1:000:39:151
81640rcu_preempt0-21swapper/021:29:190
81630rcu_preempt17477-21fw_conntrack22:45:030
81620rcu_preempt25079-21/usr/sbin/munin23:00:131
81620rcu_preempt14750-21latency_hist21:39:460
81620rcu_preempt0-21swapper/100:03:531
81620rcu_preempt0-21swapper/020:50:120
81610rcu_preempt3-21ksoftirqd/022:21:290
81610rcu_preempt23145-21latency_hist20:39:461
81610rcu_preempt0-21swapper/122:55:061
81610rcu_preempt0-21swapper/020:45:020
81600rcu_preempt5960-21ssh21:22:181
81600rcu_preempt3-21ksoftirqd/023:33:000
81600rcu_preempt19274-21ssh21:47:171
81600rcu_preempt16510-21sensors20:10:111
81600rcu_preempt16352-21ssh21:41:081
81600rcu_preempt13233-21df_abs20:00:030
81600rcu_preempt0-21swapper/123:10:111
81600rcu_preempt0-21swapper/023:12:100
81600rcu_preempt0-21swapper/023:05:140
81600rcu_preempt0-21swapper/020:10:040
81600rcu_preempt0-21swapper/019:34:580
81590rcu_preempt6828-21ssh00:27:241
81590rcu_preempt5042-21ssh23:21:511
81590rcu_preempt17343-21strings23:45:061
81590rcu_preempt0-21swapper/123:40:041
81590rcu_preempt0-21swapper/121:05:101
81590rcu_preempt0-21swapper/119:20:031
81590rcu_preempt0-21swapper/020:35:000
81590rcu_preempt0-21swapper/020:35:000
81590rcu_preempt0-21swapper/000:36:370
81580rcu_preempt4246-21processes23:20:100
81580rcu_preempt30571-21ssh22:09:281
81580rcu_preempt28817-21ssh00:07:161
81580rcu_preempt21878-21ssh21:51:540
81580rcu_preempt13224-21ssh22:35:481
81580rcu_preempt10883-21ssh21:31:050
81580rcu_preempt0-21swapper/123:28:161
81580rcu_preempt0-21swapper/121:14:521
81580rcu_preempt0-21swapper/120:00:121
81580rcu_preempt0-21swapper/119:52:121
81580rcu_preempt0-21swapper/119:25:131
81580rcu_preempt0-21swapper/023:52:040
81580rcu_preempt0-21swapper/023:42:410
81580rcu_preempt0-21swapper/021:39:490
81580rcu_preempt0-21swapper/000:25:120
81570rcu_preempt8692-21ssh23:29:541
81570rcu_preempt8279-21diskstats19:40:021
81570rcu_preempt513-21ssh22:13:090
81570rcu_preempt3113-21ssh22:17:480
81570rcu_preempt3-21ksoftirqd/023:39:110
81570rcu_preempt26688-21ssh23:01:470
81570rcu_preempt19195-21munin-node23:49:561
81570rcu_preempt0-21swapper/122:43:011
81570rcu_preempt0-21swapper/120:35:031
81570rcu_preempt0-21swapper/120:35:031
81570rcu_preempt0-21swapper/023:58:020
81570rcu_preempt0-21swapper/023:26:080
81570rcu_preempt0-21swapper/021:20:450
81570rcu_preempt0-21swapper/021:00:060
81570rcu_preempt0-21swapper/019:50:040
81570rcu_preempt0-21swapper/000:20:570
81560rcu_preempt30608-21diskmemload23:48:540
81560rcu_preempt3-21ksoftirqd/022:04:440
81560rcu_preempt25302-21ssh21:59:440
81560rcu_preempt0-21swapper/123:05:081
81560rcu_preempt0-21swapper/121:01:411
81560rcu_preempt0-21swapper/120:45:011
81560rcu_preempt0-21swapper/119:29:571
81560rcu_preempt0-21swapper/022:54:250
1599560migration/032125-21/usr/sbin/munin19:05:060
81550rcu_preempt8749-21ntpq19:40:090
81550rcu_preempt30608-21diskmemload22:33:550
81550rcu_preempt0-21swapper/119:56:371
81550rcu_preempt0-21swapper/119:10:491
81550rcu_preempt0-21swapper/019:20:580
81550rcu_preempt0-21swapper/000:09:450
81540rcu_preempt31330-21ssh00:12:540
81540rcu_preempt0-21swapper/121:53:181
81540rcu_preempt0-21swapper/019:55:020
81540rcu_preempt0-21swapper/019:45:110
81540rcu_preempt0-21swapper/000:30:170
81530rcu_preempt18370-21df_inode20:20:021
32682995248cyclictest946-21usb-storage19:10:000
81510rcu_preempt19258-21awk20:24:460
81500rcu_preempt0-21swapper/019:18:250
32683995047cyclictest946-21usb-storage19:39:311
81490rcu_preempt0-21swapper/020:40:090
32682994947cyclictest946-21usb-storage20:55:100
81480rcu_preempt20784-21df20:30:020
32682994846cyclictest946-21usb-storage19:33:590
81460rcu_preempt4633-21if_err_wlan019:25:060
32683994542cyclictest19229-21kworker/1:220:25:051
81390rcu_preempt17931-21users20:15:130
151950350irq/31-eth0-tx-32632-21kworker/1:020:15:371
151950340irq/31-eth0-tx-32632-21kworker/1:019:17:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional