10 More Discussions You Might Find Interesting
1. Linux
I'm not able to run perf on linux 4.4. I'm using ubuntu 15.10.
The error I'm getting is:
WARNING: perf not found for kernel 4.4.0
You may need to install the following packages for this specific kernel: linux-tools-4.4.0-4.4.0 linux-cloud-tools-4.4.0-4.4.0
You may also want to install... (4 Replies)
Discussion started by: BHASKAR JUPUDI
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2. Shell Programming and Scripting
Hi,
I'm trying to record metrics for an application called memcached. The procedure that I followed is:
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memcached -t 4 -m 4096 -n 550
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./loader -a... (0 Replies)
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3. HP-UX
Would there be a reason to keep old logproc files that have been tarred up for any longer than a few days? (1 Reply)
Discussion started by: jeffbusz
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4. Linux
Scenario:
Log into a linux server interface as root.
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Log into TTY2 of the linux server interface using another valid user account (e.g. faketester).
Issue:
With these three login sessions,... (8 Replies)
Discussion started by: walterthered
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5. Red Hat
Scenario:
1. Log into a linux server interface as root.
2. Inititiate an SSH session with the server using Putty and a valid user account (e.g. fakeuser).
3. Log into TTY2 of the linux server interface using another valid user account (e.g. faketester).
Issue:
With these three login... (1 Reply)
Discussion started by: walterthered
1 Replies
6. UNIX for Dummies Questions & Answers
I'm trying to count the number of directories in a folder but I don't want to count the sub directories.
So far I have this:
find -type d | wc -l
Is there a parameter to stop counting sub directories ?
Thanks (5 Replies)
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8. Post Here to Contact Site Administrators and Moderators
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9. Solaris
I'm looking for a good Solaris performance monitoring book. I work primarily with Solaris 9, but will also be working with 10, so a dtrace chapter would also be good. Any insight would be much appreciated. (4 Replies)
Discussion started by: dangral
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10. Shell Programming and Scripting
Is it possible to do a join on multiple fields of two files? I am trying to do something like join -t, -1 2,3 -2 2,3 -o 2.1,2.2,2.3,1.3 filea fileb
I want the join to be on columns 2 and 3 of filea and columns 2 and 3 of fileb.
What is hapenning is that the second file that I want to do the join... (1 Reply)
Discussion started by: reggiej
1 Replies
PERF-LOCK(1) perf Manual PERF-LOCK(1)
NAME
perf-lock - Analyze lock events
SYNOPSIS
perf lock {record|report|script|info}
DESCRIPTION
You can analyze various lock behaviours and statistics with this perf lock command.
'perf lock record <command>' records lock events
between start and end <command>. And this command
produces the file "perf.data" which contains tracing
results of lock events.
'perf lock report' reports statistical data.
'perf lock script' shows raw lock events.
'perf lock info' shows metadata like threads or addresses
of lock instances.
COMMON OPTIONS
-i, --input=<file>
Input file name. (default: perf.data unless stdin is a fifo)
-v, --verbose
Be more verbose (show symbol address, etc).
-D, --dump-raw-trace
Dump raw trace in ASCII.
REPORT OPTIONS
-k, --key=<value>
Sorting key. Possible values: acquired (default), contended, wait_total, wait_max, wait_min.
INFO OPTIONS
-t, --threads
dump thread list in perf.data
-m, --map
dump map of lock instances (address:name table)
SEE ALSO
perf(1)
perf 06/30/2014 PERF-LOCK(1)