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-rw-r--r--indra/llcommon/lltracerecording.cpp124
1 files changed, 55 insertions, 69 deletions
diff --git a/indra/llcommon/lltracerecording.cpp b/indra/llcommon/lltracerecording.cpp
index a8dcc5226a..bb3d667a42 100644
--- a/indra/llcommon/lltracerecording.cpp
+++ b/indra/llcommon/lltracerecording.cpp
@@ -577,10 +577,12 @@ S32 Recording::getSampleCount( const StatType<EventAccumulator>& stat )
// PeriodicRecording
///////////////////////////////////////////////////////////////////////
-PeriodicRecording::PeriodicRecording( S32 num_periods, EPlayState state)
+PeriodicRecording::PeriodicRecording( size_t num_periods, EPlayState state)
: mAutoResize(num_periods == 0),
mCurPeriod(0),
mNumRecordedPeriods(0),
+ // This guarantee that mRecordingPeriods cannot be empty is essential for
+ // code in several methods.
mRecordingPeriods(num_periods ? num_periods : 1)
{
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
@@ -596,18 +598,19 @@ PeriodicRecording::~PeriodicRecording()
void PeriodicRecording::nextPeriod()
{
- LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
if (mAutoResize)
{
mRecordingPeriods.push_back(Recording());
}
Recording& old_recording = getCurRecording();
- mCurPeriod = (mCurPeriod + 1) % mRecordingPeriods.size();
+ inci(mCurPeriod);
old_recording.splitTo(getCurRecording());
- mNumRecordedPeriods = mRecordingPeriods.empty()? 0 :
- llmin(mRecordingPeriods.size() - 1, mNumRecordedPeriods + 1);
+ // Since mRecordingPeriods always has at least one entry, we can always
+ // safely subtract 1 from its size().
+ mNumRecordedPeriods = llmin(mRecordingPeriods.size() - 1, mNumRecordedPeriods + 1);
}
void PeriodicRecording::appendRecording(Recording& recording)
@@ -620,31 +623,29 @@ void PeriodicRecording::appendRecording(Recording& recording)
void PeriodicRecording::appendPeriodicRecording( PeriodicRecording& other )
{
- LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
if (other.mRecordingPeriods.empty()) return;
getCurRecording().update();
other.getCurRecording().update();
-
- const auto other_recording_slots = other.mRecordingPeriods.size();
+
const auto other_num_recordings = other.getNumRecordedPeriods();
const auto other_current_recording_index = other.mCurPeriod;
- const auto other_oldest_recording_index = (other_current_recording_index + other_recording_slots - other_num_recordings) % other_recording_slots;
+ const auto other_oldest_recording_index = other.previ(other_current_recording_index, other_num_recordings);
// append first recording into our current slot
getCurRecording().appendRecording(other.mRecordingPeriods[other_oldest_recording_index]);
// from now on, add new recordings for everything after the first
- auto other_index = (other_oldest_recording_index + 1) % other_recording_slots;
+ auto other_index = other.nexti(other_oldest_recording_index);
if (mAutoResize)
{
// push back recordings for everything in the middle
- auto other_index = (other_oldest_recording_index + 1) % other_recording_slots;
while (other_index != other_current_recording_index)
{
mRecordingPeriods.push_back(other.mRecordingPeriods[other_index]);
- other_index = (other_index + 1) % other_recording_slots;
+ other.inci(other_index);
}
// add final recording, if it wasn't already added as the first
@@ -653,36 +654,25 @@ void PeriodicRecording::appendPeriodicRecording( PeriodicRecording& other )
mRecordingPeriods.push_back(other.mRecordingPeriods[other_current_recording_index]);
}
- mCurPeriod = mRecordingPeriods.empty()? 0 : mRecordingPeriods.size() - 1;
+ // mRecordingPeriods is never empty()
+ mCurPeriod = mRecordingPeriods.size() - 1;
mNumRecordedPeriods = mCurPeriod;
}
else
{
- S32 num_to_copy = llmin((S32)mRecordingPeriods.size(), (S32)other_num_recordings);
-
- std::vector<Recording>::iterator src_it = other.mRecordingPeriods.begin() + other_index ;
- std::vector<Recording>::iterator dest_it = mRecordingPeriods.begin() + mCurPeriod;
-
+ auto num_to_copy = llmin(mRecordingPeriods.size(), other_num_recordings);
// already consumed the first recording from other, so start counting at 1
- for(S32 i = 1; i < num_to_copy; i++)
+ for (size_t n = 1, srci = other_index, dsti = mCurPeriod;
+ n < num_to_copy;
+ ++n, other.inci(srci), inci(dsti))
{
- *dest_it = *src_it;
-
- if (++src_it == other.mRecordingPeriods.end())
- {
- src_it = other.mRecordingPeriods.begin();
- }
-
- if (++dest_it == mRecordingPeriods.end())
- {
- dest_it = mRecordingPeriods.begin();
- }
+ mRecordingPeriods[dsti] = other.mRecordingPeriods[srci];
}
-
+
// want argument to % to be positive, otherwise result could be negative and thus out of bounds
llassert(num_to_copy >= 1);
// advance to last recording period copied, and make that our current period
- mCurPeriod = (mCurPeriod + num_to_copy - 1) % mRecordingPeriods.size();
+ inci(mCurPeriod, num_to_copy - 1);
mNumRecordedPeriods = llmin(mRecordingPeriods.size() - 1, mNumRecordedPeriods + num_to_copy - 1);
}
@@ -694,13 +684,11 @@ void PeriodicRecording::appendPeriodicRecording( PeriodicRecording& other )
F64Seconds PeriodicRecording::getDuration() const
{
- LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
+ LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
F64Seconds duration;
- auto num_periods = mRecordingPeriods.size();
- for (size_t i = 1; i <= num_periods; i++)
+ for (size_t n = 0; n < mRecordingPeriods.size(); ++n)
{
- auto index = (mCurPeriod + num_periods - i) % num_periods;
- duration += mRecordingPeriods[index].getDuration();
+ duration += mRecordingPeriods[nexti(mCurPeriod, n)].getDuration();
}
return duration;
}
@@ -737,16 +725,14 @@ const Recording& PeriodicRecording::getCurRecording() const
Recording& PeriodicRecording::getPrevRecording( size_t offset )
{
- auto num_periods = mRecordingPeriods.size();
- offset = llclamp(offset, 0, num_periods - 1);
- return mRecordingPeriods[(mCurPeriod + num_periods - offset) % num_periods];
+ // reuse const implementation, but return non-const reference
+ return const_cast<Recording&>(
+ const_cast<const PeriodicRecording*>(this)->getPrevRecording(offset));
}
const Recording& PeriodicRecording::getPrevRecording( size_t offset ) const
{
- auto num_periods = mRecordingPeriods.size();
- offset = llclamp(offset, 0, num_periods - 1);
- return mRecordingPeriods[(mCurPeriod + num_periods - offset) % num_periods];
+ return mRecordingPeriods[previ(mCurPeriod, offset)];
}
void PeriodicRecording::handleStart()
@@ -789,14 +775,14 @@ void PeriodicRecording::handleSplitTo(PeriodicRecording& other)
getCurRecording().splitTo(other.getCurRecording());
}
-F64 PeriodicRecording::getPeriodMin( const StatType<EventAccumulator>& stat, size_t num_periods /*= S32_MAX*/ )
+F64 PeriodicRecording::getPeriodMin( const StatType<EventAccumulator>& stat, size_t num_periods /*= std::numeric_limits<size_t>::max()*/ )
{
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
num_periods = llmin(num_periods, getNumRecordedPeriods());
bool has_value = false;
F64 min_val = std::numeric_limits<F64>::max();
- for (S32 i = 1; i <= num_periods; i++)
+ for (size_t i = 1; i <= num_periods; i++)
{
Recording& recording = getPrevRecording(i);
if (recording.hasValue(stat))
@@ -811,14 +797,14 @@ F64 PeriodicRecording::getPeriodMin( const StatType<EventAccumulator>& stat, siz
: NaN;
}
-F64 PeriodicRecording::getPeriodMax( const StatType<EventAccumulator>& stat, size_t num_periods /*= S32_MAX*/ )
+F64 PeriodicRecording::getPeriodMax( const StatType<EventAccumulator>& stat, size_t num_periods /*= std::numeric_limits<size_t>::max()*/ )
{
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
num_periods = llmin(num_periods, getNumRecordedPeriods());
bool has_value = false;
F64 max_val = std::numeric_limits<F64>::min();
- for (S32 i = 1; i <= num_periods; i++)
+ for (size_t i = 1; i <= num_periods; i++)
{
Recording& recording = getPrevRecording(i);
if (recording.hasValue(stat))
@@ -834,7 +820,7 @@ F64 PeriodicRecording::getPeriodMax( const StatType<EventAccumulator>& stat, siz
}
// calculates means using aggregates per period
-F64 PeriodicRecording::getPeriodMean( const StatType<EventAccumulator>& stat, size_t num_periods /*= S32_MAX*/ )
+F64 PeriodicRecording::getPeriodMean( const StatType<EventAccumulator>& stat, size_t num_periods /*= std::numeric_limits<size_t>::max()*/ )
{
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
num_periods = llmin(num_periods, getNumRecordedPeriods());
@@ -842,7 +828,7 @@ F64 PeriodicRecording::getPeriodMean( const StatType<EventAccumulator>& stat, si
F64 mean = 0;
S32 valid_period_count = 0;
- for (S32 i = 1; i <= num_periods; i++)
+ for (size_t i = 1; i <= num_periods; i++)
{
Recording& recording = getPrevRecording(i);
if (recording.hasValue(stat))
@@ -857,7 +843,7 @@ F64 PeriodicRecording::getPeriodMean( const StatType<EventAccumulator>& stat, si
: NaN;
}
-F64 PeriodicRecording::getPeriodStandardDeviation( const StatType<EventAccumulator>& stat, size_t num_periods /*= S32_MAX*/ )
+F64 PeriodicRecording::getPeriodStandardDeviation( const StatType<EventAccumulator>& stat, size_t num_periods /*= std::numeric_limits<size_t>::max()*/ )
{
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
num_periods = llmin(num_periods, getNumRecordedPeriods());
@@ -866,7 +852,7 @@ F64 PeriodicRecording::getPeriodStandardDeviation( const StatType<EventAccumulat
F64 sum_of_squares = 0;
S32 valid_period_count = 0;
- for (S32 i = 1; i <= num_periods; i++)
+ for (size_t i = 1; i <= num_periods; i++)
{
Recording& recording = getPrevRecording(i);
if (recording.hasValue(stat))
@@ -882,14 +868,14 @@ F64 PeriodicRecording::getPeriodStandardDeviation( const StatType<EventAccumulat
: NaN;
}
-F64 PeriodicRecording::getPeriodMin( const StatType<SampleAccumulator>& stat, size_t num_periods /*= S32_MAX*/ )
+F64 PeriodicRecording::getPeriodMin( const StatType<SampleAccumulator>& stat, size_t num_periods /*= std::numeric_limits<size_t>::max()*/ )
{
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
num_periods = llmin(num_periods, getNumRecordedPeriods());
bool has_value = false;
F64 min_val = std::numeric_limits<F64>::max();
- for (S32 i = 1; i <= num_periods; i++)
+ for (size_t i = 1; i <= num_periods; i++)
{
Recording& recording = getPrevRecording(i);
if (recording.hasValue(stat))
@@ -904,14 +890,14 @@ F64 PeriodicRecording::getPeriodMin( const StatType<SampleAccumulator>& stat, si
: NaN;
}
-F64 PeriodicRecording::getPeriodMax(const StatType<SampleAccumulator>& stat, size_t num_periods /*= S32_MAX*/)
+F64 PeriodicRecording::getPeriodMax(const StatType<SampleAccumulator>& stat, size_t num_periods /*= std::numeric_limits<size_t>::max()*/)
{
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
num_periods = llmin(num_periods, getNumRecordedPeriods());
bool has_value = false;
F64 max_val = std::numeric_limits<F64>::min();
- for (S32 i = 1; i <= num_periods; i++)
+ for (size_t i = 1; i <= num_periods; i++)
{
Recording& recording = getPrevRecording(i);
if (recording.hasValue(stat))
@@ -927,7 +913,7 @@ F64 PeriodicRecording::getPeriodMax(const StatType<SampleAccumulator>& stat, siz
}
-F64 PeriodicRecording::getPeriodMean( const StatType<SampleAccumulator>& stat, size_t num_periods /*= S32_MAX*/ )
+F64 PeriodicRecording::getPeriodMean( const StatType<SampleAccumulator>& stat, size_t num_periods /*= std::numeric_limits<size_t>::max()*/ )
{
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
num_periods = llmin(num_periods, getNumRecordedPeriods());
@@ -935,7 +921,7 @@ F64 PeriodicRecording::getPeriodMean( const StatType<SampleAccumulator>& stat, s
S32 valid_period_count = 0;
F64 mean = 0;
- for (S32 i = 1; i <= num_periods; i++)
+ for (size_t i = 1; i <= num_periods; i++)
{
Recording& recording = getPrevRecording(i);
if (recording.hasValue(stat))
@@ -950,13 +936,13 @@ F64 PeriodicRecording::getPeriodMean( const StatType<SampleAccumulator>& stat, s
: NaN;
}
-F64 PeriodicRecording::getPeriodMedian( const StatType<SampleAccumulator>& stat, size_t num_periods /*= S32_MAX*/ )
+F64 PeriodicRecording::getPeriodMedian( const StatType<SampleAccumulator>& stat, size_t num_periods /*= std::numeric_limits<size_t>::max()*/ )
{
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
num_periods = llmin(num_periods, getNumRecordedPeriods());
std::vector<F64> buf;
- for (S32 i = 1; i <= num_periods; i++)
+ for (size_t i = 1; i <= num_periods; i++)
{
Recording& recording = getPrevRecording(i);
if (recording.getDuration() > (F32Seconds)0.f)
@@ -976,7 +962,7 @@ F64 PeriodicRecording::getPeriodMedian( const StatType<SampleAccumulator>& stat,
return F64((buf.size() % 2 == 0) ? (buf[buf.size() / 2 - 1] + buf[buf.size() / 2]) / 2 : buf[buf.size() / 2]);
}
-F64 PeriodicRecording::getPeriodStandardDeviation( const StatType<SampleAccumulator>& stat, size_t num_periods /*= S32_MAX*/ )
+F64 PeriodicRecording::getPeriodStandardDeviation( const StatType<SampleAccumulator>& stat, size_t num_periods /*= std::numeric_limits<size_t>::max()*/ )
{
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
num_periods = llmin(num_periods, getNumRecordedPeriods());
@@ -985,7 +971,7 @@ F64 PeriodicRecording::getPeriodStandardDeviation( const StatType<SampleAccumula
S32 valid_period_count = 0;
F64 sum_of_squares = 0;
- for (S32 i = 1; i <= num_periods; i++)
+ for (size_t i = 1; i <= num_periods; i++)
{
Recording& recording = getPrevRecording(i);
if (recording.hasValue(stat))
@@ -1002,13 +988,13 @@ F64 PeriodicRecording::getPeriodStandardDeviation( const StatType<SampleAccumula
}
-F64Kilobytes PeriodicRecording::getPeriodMin( const StatType<MemAccumulator>& stat, size_t num_periods /*= S32_MAX*/ )
+F64Kilobytes PeriodicRecording::getPeriodMin( const StatType<MemAccumulator>& stat, size_t num_periods /*= std::numeric_limits<size_t>::max()*/ )
{
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
num_periods = llmin(num_periods, getNumRecordedPeriods());
F64Kilobytes min_val(std::numeric_limits<F64>::max());
- for (S32 i = 1; i <= num_periods; i++)
+ for (size_t i = 1; i <= num_periods; i++)
{
Recording& recording = getPrevRecording(i);
min_val = llmin(min_val, recording.getMin(stat));
@@ -1022,13 +1008,13 @@ F64Kilobytes PeriodicRecording::getPeriodMin(const MemStatHandle& stat, size_t n
return getPeriodMin(static_cast<const StatType<MemAccumulator>&>(stat), num_periods);
}
-F64Kilobytes PeriodicRecording::getPeriodMax(const StatType<MemAccumulator>& stat, size_t num_periods /*= S32_MAX*/)
+F64Kilobytes PeriodicRecording::getPeriodMax(const StatType<MemAccumulator>& stat, size_t num_periods /*= std::numeric_limits<size_t>::max()*/)
{
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
num_periods = llmin(num_periods, getNumRecordedPeriods());
F64Kilobytes max_val(0.0);
- for (S32 i = 1; i <= num_periods; i++)
+ for (size_t i = 1; i <= num_periods; i++)
{
Recording& recording = getPrevRecording(i);
max_val = llmax(max_val, recording.getMax(stat));
@@ -1042,14 +1028,14 @@ F64Kilobytes PeriodicRecording::getPeriodMax(const MemStatHandle& stat, size_t n
return getPeriodMax(static_cast<const StatType<MemAccumulator>&>(stat), num_periods);
}
-F64Kilobytes PeriodicRecording::getPeriodMean( const StatType<MemAccumulator>& stat, size_t num_periods /*= S32_MAX*/ )
+F64Kilobytes PeriodicRecording::getPeriodMean( const StatType<MemAccumulator>& stat, size_t num_periods /*= std::numeric_limits<size_t>::max()*/ )
{
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
num_periods = llmin(num_periods, getNumRecordedPeriods());
F64Kilobytes mean(0);
- for (S32 i = 1; i <= num_periods; i++)
+ for (size_t i = 1; i <= num_periods; i++)
{
Recording& recording = getPrevRecording(i);
mean += recording.getMean(stat);
@@ -1063,7 +1049,7 @@ F64Kilobytes PeriodicRecording::getPeriodMean(const MemStatHandle& stat, size_t
return getPeriodMean(static_cast<const StatType<MemAccumulator>&>(stat), num_periods);
}
-F64Kilobytes PeriodicRecording::getPeriodStandardDeviation( const StatType<MemAccumulator>& stat, size_t num_periods /*= S32_MAX*/ )
+F64Kilobytes PeriodicRecording::getPeriodStandardDeviation( const StatType<MemAccumulator>& stat, size_t num_periods /*= std::numeric_limits<size_t>::max()*/ )
{
LL_PROFILE_ZONE_SCOPED_CATEGORY_STATS;
num_periods = llmin(num_periods, getNumRecordedPeriods());
@@ -1072,7 +1058,7 @@ F64Kilobytes PeriodicRecording::getPeriodStandardDeviation( const StatType<MemAc
S32 valid_period_count = 0;
F64 sum_of_squares = 0;
- for (S32 i = 1; i <= num_periods; i++)
+ for (size_t i = 1; i <= num_periods; i++)
{
Recording& recording = getPrevRecording(i);
if (recording.hasValue(stat))
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-07 23:35:17 +0000