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2025-04-21 - 10:58
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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 792 highest latencies:
System rackfslot4.osadl.org (updated Mon Apr 21, 2025 00:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1546721440,2sleep015468-21rm22:59:340
418221200,2sleep04184-21irqrtprio23:43:160
308621180,3chrt3085-21sleep22:34:210
227421180,2chrt32672-21sendmail-msp21:24:240
1485721170,2chrt11809-21sendmail-msp20:46:060
2588921160,1sleep025926-21basename00:30:300
2305821160,2chrt23059-21sleep00:22:380
3018221140,2chrt30183-21/usr/sbin/munin22:22:190
2367321140,2sleep023675-21latency23:16:100
791321130,2chrt7914-21sh22:43:350
2516721130,3chrt25168-21sleep00:28:360
2452621130,4chrt21853-21sendmail-msp21:05:170
2945021100,2sleep029451-21irqrtprio00:36:050
1845621100,2chrt18455-21ssh00:13:510
1789221100,2sleep017890-21ntp_kernel_err19:46:510
1382321100,2chrt13824-21sleep19:39:030
566021090,2chrt5661-21modprobe21:31:430
1608221090,3chrt16083-21awk23:00:320
594521080,3chrt5946-21sshd19:23:410
1196921080,3chrt11971-21cat22:52:120
830621040,1sleep08308-21collect221:36:300
64421020,2chrt645-21latency_hist22:30:050
146882960,2sleep014689-21run-parts00:05:330
123862910,3chrt12387-21sh00:00:510
41452860,2chrt43-21kswapd020:24:480
300372818,57sleep030110-21awk19:06:150
299472770,2sleep029948-21cut23:30:460
24002670,1sleep02404-21idleruntime-cro23:40:010
102042660,2sleep010208-21sed23:56:040
152452650,1sleep015249-21sed19:41:500
77052562,7sleep04073-21sendmail-msp19:26:420
16692554,40sleep01273-21apt-get19:15:160
92572542,6sleep09279-21idleruntime-cro23:54:590
305362542,6sleep030586-21ps20:11:300
288692534,41sleep028872-21sh22:19:400
260152533,42sleep026004-21df_inode23:21:300
220482524,38sleep022052-21df_inode19:55:310
189722523,41sleep018766-1kworker/u3:121:59:070
56662513,40sleep05672-21ld20:27:100
233342490,3chrt23331-21cat22:10:070
31239904819,22cyclictest0-21swapper22:14:510
52512470,2chrt43-21kswapd023:46:100
318012470,3chrt31799-21/usr/sbin/munin21:17:260
31239904718,22cyclictest0-21swapper21:14:530
241802472,36sleep0252-21jbd2/sda-821:04:350
31239904617,22cyclictest0-21swapper23:13:080
31239904617,22cyclictest0-21swapper22:48:440
31239904612,17cyclictest20957-21ntpq22:03:060
172372463,33sleep017241-21df_inode20:50:340
149342460,2sleep014937-21sort21:51:080
3123990457,18cyclictest12424-21diskstats20:41:170
31239904511,17cyclictest32672-21sendmail-msp21:26:520
31239904510,18cyclictest18785-21switchtime23:06:450
199162452,34sleep019921-21smartctl20:55:400
3123990444,11cyclictest4505-21memory22:36:130
3123990435,10cyclictest9751-21sendmail-msp21:41:260
31239904314,11cyclictest25324-21sendmail-msp23:26:260
3123990426,19cyclictest9490-21df19:30:320
31239904214,9cyclictest9724-21diskstats20:35:330
31239904212,23cyclictest25086-21if_eth120:01:400
31239904211,24cyclictest12463-21/usr/sbin/munin21:45:460
3123990415,11cyclictest27772-21irqstats20:06:390
3123990414,19cyclictest19107-21aten2.4-expect00:15:330
3123990405,28cyclictest32112-21diskstats20:15:300
31239904014,19cyclictest31674-21df19:10:310
3123990385,25cyclictest19229-21apt-get19:50:240
31239903814,18cyclictest7793-21memory20:30:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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