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Bug 665247 - Remove unused metering code (r=igor)

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This commit is contained in:
Luke Wagner
2011-06-21 10:26:22 -07:00
parent 72b845d954
commit 77280b3f75
39 changed files with 82 additions and 2347 deletions
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53
js/src/prmjtime.cpp
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@@ -695,7 +695,6 @@ JSInt64
DSTOffsetCache::getDSTOffsetMilliseconds(JSInt64 localTimeMilliseconds, JSContext *cx)
{
sanityCheck();
noteOffsetCalculation();
JSInt64 localTimeSeconds = localTimeMilliseconds / MILLISECONDS_PER_SECOND;
@@ -714,13 +713,11 @@ DSTOffsetCache::getDSTOffsetMilliseconds(JSInt64 localTimeMilliseconds, JSContex
if (rangeStartSeconds <= localTimeSeconds &&
localTimeSeconds <= rangeEndSeconds) {
noteCacheHit();
return offsetMilliseconds;
}
if (oldRangeStartSeconds <= localTimeSeconds &&
localTimeSeconds <= oldRangeEndSeconds) {
noteCacheHit();
return oldOffsetMilliseconds;
}
@@ -733,24 +730,20 @@ DSTOffsetCache::getDSTOffsetMilliseconds(JSInt64 localTimeMilliseconds, JSContex
if (newEndSeconds >= localTimeSeconds) {
JSInt64 endOffsetMilliseconds = computeDSTOffsetMilliseconds(newEndSeconds);
if (endOffsetMilliseconds == offsetMilliseconds) {
noteCacheMissIncrease();
rangeEndSeconds = newEndSeconds;
return offsetMilliseconds;
}
offsetMilliseconds = computeDSTOffsetMilliseconds(localTimeSeconds);
if (offsetMilliseconds == endOffsetMilliseconds) {
noteCacheMissIncreasingOffsetChangeUpper();
rangeStartSeconds = localTimeSeconds;
rangeEndSeconds = newEndSeconds;
} else {
noteCacheMissIncreasingOffsetChangeExpand();
rangeEndSeconds = localTimeSeconds;
}
return offsetMilliseconds;
}
noteCacheMissLargeIncrease();
offsetMilliseconds = computeDSTOffsetMilliseconds(localTimeSeconds);
rangeStartSeconds = rangeEndSeconds = localTimeSeconds;
return offsetMilliseconds;
@@ -760,24 +753,20 @@ DSTOffsetCache::getDSTOffsetMilliseconds(JSInt64 localTimeMilliseconds, JSContex
if (newStartSeconds <= localTimeSeconds) {
JSInt64 startOffsetMilliseconds = computeDSTOffsetMilliseconds(newStartSeconds);
if (startOffsetMilliseconds == offsetMilliseconds) {
noteCacheMissDecrease();
rangeStartSeconds = newStartSeconds;
return offsetMilliseconds;
}
offsetMilliseconds = computeDSTOffsetMilliseconds(localTimeSeconds);
if (offsetMilliseconds == startOffsetMilliseconds) {
noteCacheMissDecreasingOffsetChangeLower();
rangeStartSeconds = newStartSeconds;
rangeEndSeconds = localTimeSeconds;
} else {
noteCacheMissDecreasingOffsetChangeExpand();
rangeStartSeconds = localTimeSeconds;
}
return offsetMilliseconds;
}
noteCacheMissLargeDecrease();
rangeStartSeconds = rangeEndSeconds = localTimeSeconds;
offsetMilliseconds = computeDSTOffsetMilliseconds(localTimeSeconds);
return offsetMilliseconds;
@@ -793,46 +782,4 @@ DSTOffsetCache::sanityCheck()
rangeStartSeconds >= 0 && rangeEndSeconds >= 0);
JS_ASSERT_IF(rangeStartSeconds != INT64_MIN,
rangeStartSeconds <= MAX_UNIX_TIMET && rangeEndSeconds <= MAX_UNIX_TIMET);
#ifdef JS_METER_DST_OFFSET_CACHING
JS_ASSERT(totalCalculations ==
hit +
missIncreasing + missDecreasing +
missIncreasingOffsetChangeExpand + missIncreasingOffsetChangeUpper +
missDecreasingOffsetChangeExpand + missDecreasingOffsetChangeLower +
missLargeIncrease + missLargeDecrease);
#endif
}
#ifdef JS_METER_DST_OFFSET_CACHING
void
DSTOffsetCache::dumpStats()
{
if (!getenv("JS_METER_DST_OFFSET_CACHING"))
return;
FILE *fp = fopen("/tmp/dst-offset-cache.stats", "a");
if (!fp)
return;
typedef unsigned long UL;
fprintf(fp,
"hit:\n"
" in range: %lu\n"
"misses:\n"
" increase range end: %lu\n"
" decrease range start: %lu\n"
" increase, offset change, expand: %lu\n"
" increase, offset change, new range: %lu\n"
" decrease, offset change, expand: %lu\n"
" decrease, offset change, new range: %lu\n"
" large increase: %lu\n"
" large decrease: %lu\n"
"total: %lu\n\n",
UL(hit),
UL(missIncreasing), UL(missDecreasing),
UL(missIncreasingOffsetChangeExpand), UL(missIncreasingOffsetChangeUpper),
UL(missDecreasingOffsetChangeExpand), UL(missDecreasingOffsetChangeLower),
UL(missLargeIncrease), UL(missLargeDecrease),
UL(totalCalculations));
fclose(fp);
}
#endif