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Diffstat (limited to 'indra/llcommon/llstat.cpp')
| -rw-r--r-- | indra/llcommon/llstat.cpp | 404 |
1 files changed, 0 insertions, 404 deletions
diff --git a/indra/llcommon/llstat.cpp b/indra/llcommon/llstat.cpp deleted file mode 100644 index 3678c8e1c1..0000000000 --- a/indra/llcommon/llstat.cpp +++ /dev/null @@ -1,404 +0,0 @@ -/** - * @file llstat.cpp - * - * $LicenseInfo:firstyear=2001&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2010, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library 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 for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -#include "linden_common.h" - -#include "llstat.h" -#include "lllivefile.h" -#include "llerrorcontrol.h" -#include "llframetimer.h" -#include "timing.h" -#include "llsd.h" -#include "llsdserialize.h" -#include "llstl.h" -#include "u64.h" - - -// statics -//------------------------------------------------------------------------ -LLTimer LLStat::sTimer; -LLFrameTimer LLStat::sFrameTimer; - -void LLStat::reset() -{ - mNumValues = 0; - mLastValue = 0.f; - delete[] mBins; - mBins = new ValueEntry[mNumBins]; - mCurBin = mNumBins-1; - mNextBin = 0; -} - -LLStat::LLStat(std::string name, S32 num_bins, BOOL use_frame_timer) -: mUseFrameTimer(use_frame_timer), - mNumBins(num_bins), - mName(name), - mBins(NULL) -{ - llassert(mNumBins > 0); - mLastTime = 0.f; - - reset(); - - if (!mName.empty()) - { - stat_map_t::iterator iter = getStatList().find(mName); - if (iter != getStatList().end()) - llwarns << "LLStat with duplicate name: " << mName << llendl; - getStatList().insert(std::make_pair(mName, this)); - } -} - -LLStat::stat_map_t& LLStat::getStatList() -{ - static LLStat::stat_map_t stat_list; - return stat_list; -} - - -LLStat::~LLStat() -{ - delete[] mBins; - - if (!mName.empty()) - { - // handle multiple entries with the same name - stat_map_t::iterator iter = getStatList().find(mName); - while (iter != getStatList().end() && iter->second != this) - ++iter; - getStatList().erase(iter); - } -} - -void LLStat::start() -{ - if (mUseFrameTimer) - { - mBins[mNextBin].mBeginTime = sFrameTimer.getElapsedSeconds(); - } - else - { - mBins[mNextBin].mBeginTime = sTimer.getElapsedTimeF64(); - } -} - -void LLStat::addValue(const F32 value) -{ - if (mNumValues < mNumBins) - { - mNumValues++; - } - - // Increment the bin counters. - mCurBin++; - if (mCurBin >= mNumBins) - { - mCurBin = 0; - } - mNextBin++; - if (mNextBin >= mNumBins) - { - mNextBin = 0; - } - - mBins[mCurBin].mValue = value; - if (mUseFrameTimer) - { - mBins[mCurBin].mTime = sFrameTimer.getElapsedSeconds(); - } - else - { - mBins[mCurBin].mTime = sTimer.getElapsedTimeF64(); - } - mBins[mCurBin].mDT = (F32)(mBins[mCurBin].mTime - mBins[mCurBin].mBeginTime); - - //this value is used to prime the min/max calls - mLastTime = mBins[mCurBin].mTime; - mLastValue = value; - - // Set the begin time for the next stat segment. - mBins[mNextBin].mBeginTime = mBins[mCurBin].mTime; - mBins[mNextBin].mTime = mBins[mCurBin].mTime; - mBins[mNextBin].mDT = 0.f; -} - - -F32 LLStat::getMax() const -{ - S32 i; - F32 current_max = mLastValue; - if (mNumBins == 0) - { - current_max = 0.f; - } - else - { - for (i = 0; (i < mNumBins) && (i < mNumValues); i++) - { - // Skip the bin we're currently filling. - if (i == mNextBin) - { - continue; - } - if (mBins[i].mValue > current_max) - { - current_max = mBins[i].mValue; - } - } - } - return current_max; -} - -F32 LLStat::getMean() const -{ - S32 i; - F32 current_mean = 0.f; - S32 samples = 0; - for (i = 0; (i < mNumBins) && (i < mNumValues); i++) - { - // Skip the bin we're currently filling. - if (i == mNextBin) - { - continue; - } - current_mean += mBins[i].mValue; - samples++; - } - - // There will be a wrap error at 2^32. :) - if (samples != 0) - { - current_mean /= samples; - } - else - { - current_mean = 0.f; - } - return current_mean; -} - -F32 LLStat::getMin() const -{ - S32 i; - F32 current_min = mLastValue; - - if (mNumBins == 0) - { - current_min = 0.f; - } - else - { - for (i = 0; (i < mNumBins) && (i < mNumValues); i++) - { - // Skip the bin we're currently filling. - if (i == mNextBin) - { - continue; - } - if (mBins[i].mValue < current_min) - { - current_min = mBins[i].mValue; - } - } - } - return current_min; -} - -F32 LLStat::getPrev(S32 age) const -{ - S32 bin; - bin = mCurBin - age; - - while (bin < 0) - { - bin += mNumBins; - } - - if (bin == mNextBin) - { - // Bogus for bin we're currently working on. - return 0.f; - } - return mBins[bin].mValue; -} - -F32 LLStat::getPrevPerSec(S32 age) const -{ - S32 bin; - bin = mCurBin - age; - - while (bin < 0) - { - bin += mNumBins; - } - - if (bin == mNextBin) - { - // Bogus for bin we're currently working on. - return 0.f; - } - return mBins[bin].mValue / mBins[bin].mDT; -} - -F32 LLStat::getCurrent() const -{ - return mBins[mCurBin].mValue; -} - -F32 LLStat::getCurrentPerSec() const -{ - return mBins[mCurBin].mValue / mBins[mCurBin].mDT; -} - -F32 LLStat::getMeanPerSec() const -{ - S32 i; - F32 value = 0.f; - F32 dt = 0.f; - - for (i = 0; (i < mNumBins) && (i < mNumValues); i++) - { - // Skip the bin we're currently filling. - if (i == mNextBin) - { - continue; - } - value += mBins[i].mValue; - dt += mBins[i].mDT; - } - - if (dt > 0.f) - { - return value/dt; - } - else - { - return 0.f; - } -} - -F32 LLStat::getMeanDuration() const -{ - F32 dur = 0.0f; - S32 count = 0; - for (S32 i=0; (i < mNumBins) && (i < mNumValues); i++) - { - if (i == mNextBin) - { - continue; - } - dur += mBins[i].mDT; - count++; - } - - if (count > 0) - { - dur /= F32(count); - return dur; - } - else - { - return 0.f; - } -} - -F32 LLStat::getMaxPerSec() const -{ - F32 value; - - if (mNextBin != 0) - { - value = mBins[0].mValue/mBins[0].mDT; - } - else if (mNumValues > 0) - { - value = mBins[1].mValue/mBins[1].mDT; - } - else - { - value = 0.f; - } - - for (S32 i = 0; (i < mNumBins) && (i < mNumValues); i++) - { - // Skip the bin we're currently filling. - if (i == mNextBin) - { - continue; - } - value = llmax(value, mBins[i].mValue/mBins[i].mDT); - } - return value; -} - -F32 LLStat::getMinPerSec() const -{ - S32 i; - F32 value; - - if (mNextBin != 0) - { - value = mBins[0].mValue/mBins[0].mDT; - } - else if (mNumValues > 0) - { - value = mBins[1].mValue/mBins[0].mDT; - } - else - { - value = 0.f; - } - - for (i = 0; (i < mNumBins) && (i < mNumValues); i++) - { - // Skip the bin we're currently filling. - if (i == mNextBin) - { - continue; - } - value = llmin(value, mBins[i].mValue/mBins[i].mDT); - } - return value; -} - -U32 LLStat::getNumValues() const -{ - return mNumValues; -} - -S32 LLStat::getNumBins() const -{ - return mNumBins; -} - -S32 LLStat::getNextBin() const -{ - return mNextBin; -} - -F64 LLStat::getLastTime() const -{ - return mLastTime; -} |