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<p class="MsoNormal"><span style="color:#1F497D">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Just want a clarification about device mapper stats:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><a href="http://lxr.free-electrons.com/source/Documentation/device-mapper/statistics.txt?v=3.14">http://lxr.free-electrons.com/source/Documentation/device-mapper/statistics.txt?v=3.14</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">In this documentation, would like to know what is the command to be used to create/print/list stats.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal" style="background:white"><b><span style="font-size:11.5pt;font-family:"Courier New";color:#787878">@stats_create <range> <step> [<program_id> [<aux_data>]]<o:p></o:p></span></b></p>
<pre style="background:white"><b><span style="font-size:11.5pt;color:#787878">@stats_print <region_id> [<starting_line> <number_of_lines>]<o:p></o:p></span></b></pre>
<pre style="background:white"><b><span style="font-size:11.5pt;color:#787878">@stats_list [<program_id>]<o:p></o:p></span></b></pre>
<pre style="background:white"><b><span style="font-size:11.5pt;color:#787878"><o:p> </o:p></span></b></pre>
<pre style="background:white"><b><span style="font-size:11.5pt;color:#787878">Also, it is documented that 11 stats(Documentation/iostats.txt) would be reported and additional counters as well:<o:p></o:p></span></b></pre>
<pre style="background:white"><b><span style="font-size:11.5pt;color:#787878"><o:p> </o:p></span></b></pre>
<pre style="background:white"><b><span style="font-size:11.5pt;color:#787878">12. the total time spent reading in milliseconds<o:p></o:p></span></b></pre>
<pre style="background:white"><b><span style="font-size:11.5pt;color:#787878">13. the total time spent writing in milliseconds<o:p></o:p></span></b></pre>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">So are these same as “read_ticks” and “write_ticks” else how different from the ticks?<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks,<o:p></o:p></p>
<p class="MsoNormal">Asha<o:p></o:p></p>
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