I have collected data of Number of L2 cache misses using PAPI. I had run an MPI application with 4 threads (mpirun -np 4) and each thread reads the cache misses in L2. Each thread outputs data for every timestamp. eg:
Now my qstn , is whether i shud add all the cache miss values at time stamp xxx530 for thread 0,1, 2 and 3 OR shud i take the max-value for thrreda0,1,2,3 for timestamp xxx530 ?
Hi guys,
I have no idea on unix but suddenly, my cobol programs calls a unix script that i know nothing about.
can you guys interpret these lines for me?
i know its a print command but I want to actually know how many copies it prints.
qprt -da -P $1 -t '6' -i '6' -l '70' $2
qprt -da... (1 Reply)
Hi All,
Does anyone familiar with “Rexx interpret” know of a script equivalent?
For those that don't know “Rexx interpret”, here's how a script might look.
variable='echo Hello World!'
interpret $variable
Output is Hello World! because $variable was interpreted.
Thanks,
Lou (6 Replies)
Hi,
So I am new to Unix, and I need to check the performance of some apps I am running. But I don't know how to interpret the output from TOP.
Could somebody please explain the difference between the different values. And also explain how I can have a process which has a %CPU > 100?
... (7 Replies)
hi
I have a text file abc.txt as below
a = 0
b = 1
c = 3
i want to interpret this file i.e. if number corresponding to 'a' is 0 i want to run a script script.bash .
How do do that? (4 Replies)
Was wondering if someone could interpret this for me -- I'm not sure what everything means. It's a shell script from my bash book:
cd ()
{
builtin cd "$@"
es=$?
echo "$OLDPWD ->$PWD"
return $es
}
what I don't quite understand is the "$@". I think, if I understand... (6 Replies)
I know $0 is the entire file's contents (at least I think that is what it is!), but what exactly is: $0!~
This was a snippet from a larger line
awk '$0!~/^$/ {print $0}'
This deletes blank lines, but I want to know specifically the $0!~ part... I am guessing /^$/ is regex for blank line...... (5 Replies)
Can anyone tell me how to interpret this:
listpage="ls |more" (the spaces are there in the example)
$listpage
It's from my bash book and I'm not sure what it means (3 Replies)
hi All,
i have never used sed in Unix environment, but i have one script which is using this following command:
cat audit_session_rpt_MSP_20140331.lst|sed -n '/Apr 14/!p'| sed -n '/Page/!p'| sed -n '/UserName/!p' |\
egrep -v '^-|^=|^\*'|sed '/^$/d'|sed -e '1,7d'... (1 Reply)
I booted into single user mode with
/usr/sbin/reboot -- -s
but after doing a control -d
my
who -r
shows
run-level 3 Nov 17 14:07 3 0 S
I was expecting it to show run-level S
why is this still in run level 3?
thanks (1 Reply)
Discussion started by: goya
1 Replies
LEARN ABOUT CENTOS
papi_decode
papi_decode(1) PAPI papi_decode(1)NAME
papi_decode - papi_decode utility.
file decode.c
NAME
papi_decode - provides availability and detail information for PAPI preset events.
Synopsis
papi_decode [-ah]
Description
papi_decode is a PAPI utility program that converts the PAPI presets for the existing library into a comma separated value format that can
then be viewed or modified in spreadsheet applications or text editors, and can be supplied to PAPI_encode_events (3) as a way of adding or
modifying event definitions for specialized applications. The format for the csv output consists of a line of field names, followed by a
blank line, followed by one line of comma separated values for each event contained in the preset table. A portion of this output (for
Pentium 4) is shown below:
* name,derived,postfix,short_descr,long_descr,note,[native,...]
* PAPI_L1_ICM,NOT_DERIVED,,"L1I cache misses","Level 1 instruction cache misses",,BPU_fetch_request_TCMISS
* PAPI_L2_TCM,NOT_DERIVED,,"L2 cache misses","Level 2 cache misses",,BSQ_cache_reference_RD_2ndL_MISS_WR_2ndL_MISS
* PAPI_TLB_DM,NOT_DERIVED,,"Data TLB misses","Data translation lookaside buffer misses",,page_walk_type_DTMISS
*
Options
o -a Convert only the available PAPI preset events.
o -h Display help information about this utility.
Bugs
There are no known bugs in this utility. If you find a bug, it should be reported to the PAPI Mailing List at ptools-perfapi@ptools.org.
Version 5.2.0.0 Tue Jun 17 2014 papi_decode(1)