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List:       oprofile-list
Subject:    Oprofile Usage for Performance Monitoring
From:       Rasna T <trasnaramesh () gmail ! com>
Date:       2013-11-29 6:42:34
Message-ID: CAHLuLsiLZUTychGePVhFQx-JzwT9dq-U=-AJuvPHhe66T3yFsA () mail ! gmail ! com
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Hi,
Could you please help me to get clarity on analyzing the opreport results.
I couldnt find any good analysis document for opreport.

Steps:
1.starting the oprofile
#opcontrol --start --no-vmlinux
2.waiting for some sample collections (*example for 60 secs*)
3. Dumping the oprofile results
#opcontrol --dump
4. Saving the session
#opcontrol --save report_1

So while viewing the results using opreport how do we can map the number of
*samples* wrt to the time the test ran. Here we ran it 60 seconds.
-------------------------------------------------------------------------------------- \
-----------------------------------------------------------------------------------------------
 Counted CPU_CLK_UNHALTED events (Clock cycles when not halted) with a unit
mask of 0x00 (No unit mask) count 100000
samples  %        linenr info                 symbol name
765      28.2080 function.cpp:1325  function.cppXXX
-------------------------------------------------------------------------------------- \
----------------------------------------------------------------------------------------------
 Can i get a exact map of the number of function calls in that period?
-- 
Rasna T


[Attachment #5 (text/html)]

<div dir="ltr"><div><div><div><div><div><div><div><div><div><div>Hi,<br></div>Could \
you please help me to get clarity on analyzing the opreport results. I couldnt find \
any good analysis document for opreport.<br><br></div> Steps:<br></div>1.starting the \
oprofile<br></div>#opcontrol --start --no-vmlinux<br></div>2.waiting for some sample \
collections (<b>example for 60 secs</b>)<br></div>3. Dumping the oprofile \
results<br></div>#opcontrol --dump<br> </div>4. Saving the session \
<br></div>#opcontrol --save report_1<br><br></div>So while viewing the results using \
opreport how do we can map the number of <b>samples</b> wrt to the time the test ran. \
                Here we ran it 60 seconds.<br>
-------------------------------------------------------------------------------------- \
-----------------------------------------------------------------------------------------------<br>Counted \
CPU_CLK_UNHALTED events (Clock cycles when not halted) with a unit mask of 0x00 (No \
unit mask) count 100000<br> samples  %        linenr info                 symbol \
name<br>765      28.2080 function.cpp:1325  function.cppXXX<br \
clear="all"><div><div><div><div><div><div><div><div><div><div><div><div>-------------- \
-------------------------------------------------------------------------------------- \
--------------------------------------------------------------------------------<br> \
</div><div>Can i get a exact map of the number of function calls in that \
period?<br></div><div>-- <br><font \
style="font-family:georgia,serif;background-color:rgb(0,0,153)"><span \
style="color:rgb(0,0,153)"><span><span style="background-color:rgb(0,0,153)"><span \
style="background-color:rgb(255,255,255)"></span></span></span><span \
style="background-color:rgb(255,255,255);color:rgb(0,0,153);font-family:georgia,serif">Rasna \
T</span></span></font><br \
style="background-color:rgb(255,255,255);color:rgb(0,0,153);font-family:georgia,serif">
 <br>
</div></div></div></div></div></div></div></div></div></div></div></div></div>



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