Files
libreoffice/automation/source/server/prof_usl.cxx
2011-11-27 12:54:57 -06:00

136 lines
4.3 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
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* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
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************************************************************************/
#include <procfs.h>
#include <tools/stream.hxx>
#include "profiler.hxx"
struct SysdepProfileSnapshot
{
pstatus mpstatus;
psinfo mpsinfo;
prusage mprusage;
};
struct SysdepStaticData
{
// everything that is always needed during the profile
};
void TTProfiler::InitSysdepProfiler()
{
if ( !pSysDepStatic ) // Should always be like this!!
pSysDepStatic = new SysdepStaticData;
// initialize here
};
void TTProfiler::DeinitSysdepProfiler()
{
if ( pSysDepStatic ) // Should always be like this!!
{
// tidy up here and free storage if applicable
delete pSysDepStatic;
}
};
SysdepProfileSnapshot *TTProfiler::NewSysdepSnapshotData()
{
return new SysdepProfileSnapshot;
};
void TTProfiler::DeleteSysdepSnapshotData( SysdepProfileSnapshot *pSysdepProfileSnapshot )
{
delete pSysdepProfileSnapshot;
};
String TTProfiler::GetSysdepProfileHeader()
{
return String::CreateFromAscii(" Size(Kb) ResidentSZ rtime ktime utime total");
};
void TTProfiler::GetSysdepProfileSnapshot( SysdepProfileSnapshot *pSysdepProfileSnapshot, sal_uInt16 )
{
SvFileStream aStream( String::CreateFromAscii("/proc/self/psinfo"), STREAM_READ ); // explicit path for UNXSOL!
if ( aStream.IsOpen() )
{
aStream.Read( &(pSysdepProfileSnapshot->mpsinfo), sizeof( psinfo ) );
aStream.Close();
}
SvFileStream anotherStream( String::CreateFromAscii("/proc/self/status"), STREAM_READ ); // explicit path for UNXSOL!
if ( anotherStream.IsOpen() )
{
anotherStream.Read( &(pSysdepProfileSnapshot->mpstatus), sizeof( pstatus ) );
anotherStream.Close();
}
SvFileStream YetAnotherStream( String::CreateFromAscii("/proc/self/usage"), STREAM_READ ); // explicit path for UNXSOL!
if ( YetAnotherStream.IsOpen() )
{
YetAnotherStream.Read( &(pSysdepProfileSnapshot->mprusage), sizeof( prusage ) );
YetAnotherStream.Close();
}
};
#define DIFF2( aFirst, aSecond, Membername ) ( aSecond.Membername - aFirst.Membername )
#define CALC_MS( nSec, nNSec ) ( nSec * 1000 + (nNSec+500000) / 1000000 )
#define DIFF_MS( pStart, pEnd, Member ) ( CALC_MS( pEnd->Member.tv_sec, pEnd->Member.tv_nsec ) - CALC_MS( pStart->Member.tv_sec, pStart->Member.tv_nsec ) )
String TTProfiler::GetSysdepProfileLine( SysdepProfileSnapshot *pStart, SysdepProfileSnapshot *pStop )
{
String aProfile;
aProfile += Pad( String::CreateFromInt64(pStop->mpsinfo.pr_size), 9);
aProfile += Pad( String::CreateFromInt64(pStop->mpsinfo.pr_rssize), 11);
aProfile += Pad( String::CreateFromInt64(DIFF_MS( pStart, pStop, mprusage.pr_rtime ) / AVER( pStart, pStop, mprusage.pr_count )), 7 );
sal_uLong d_utime = DIFF_MS( pStart, pStop, mpstatus.pr_utime ) + DIFF_MS( pStart, pStop, mpstatus.pr_cutime );
sal_uLong d_stime = DIFF_MS( pStart, pStop, mpstatus.pr_stime ) + DIFF_MS( pStart, pStop, mpstatus.pr_cstime );
aProfile += Pad( String::CreateFromInt64(d_utime), 7 );
aProfile += Pad( String::CreateFromInt64(d_stime), 7 );
aProfile += Pad( String::CreateFromInt64(d_utime + d_stime), 7 );
return aProfile;
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */