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<div id="version" align=right><b>petsc-3.4.2 2013-07-02</b></div>
<A NAME="EventPerfLogActivate"><H1>EventPerfLogActivate</H1></A>
Indicates that a particular event should be logged.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscsys.h"
PetscErrorCode EventPerfLogActivate(PetscEventPerfLog eventLog, PetscLogEvent event)
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#CC3333">Input Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>eventLog </B></TD><TD>- The PetscEventPerfLog
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>event </B></TD><TD>- The event
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Usage</FONT></H3>
<PRE>
<A HREF="../Profiling/EventPerfLogDeactivate.html#EventPerfLogDeactivate">EventPerfLogDeactivate</A>(log, VEC_SetValues);
[code where you do not want to log <A HREF="../Vec/VecSetValues.html#VecSetValues">VecSetValues</A>()]
<A HREF="../Profiling/EventPerfLogActivate.html#EventPerfLogActivate">EventPerfLogActivate</A>(log, VEC_SetValues);
[code where you do want to log <A HREF="../Vec/VecSetValues.html#VecSetValues">VecSetValues</A>()]
</PRE>
<P>
<H3><FONT COLOR="#CC3333">Note</FONT></H3>
The event may be either a pre-defined PETSc event (found in
include/petsclog.h) or an event number obtained with <A HREF="../Profiling/EventRegLogRegister.html#EventRegLogRegister">EventRegLogRegister</A>().
<P>
<P>
<H3><FONT COLOR="#CC3333">Keywords</FONT></H3>
log, event, activate
<BR>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
PetscLogEventMPEDeactivate(), PetscLogEventMPEActivate(), <A HREF="../Profiling/EventPerfLogDeactivate.html#EventPerfLogDeactivate">EventPerfLogDeactivate</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>developer
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/sys/logging/utils/eventlog.c.html#EventPerfLogActivate">src/sys/logging/utils/eventlog.c</A>
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