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Bug 1165385 - Remove the rarely used !fullFormat mode of MOZ_GCTIMER; r=sfink

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This commit is contained in:
Terrence Cole 2015-05-20 09:14:29 -07:00
parent d6be2c71b2
commit e8b2e18054
2 changed files with 21 additions and 43 deletions
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62
js/src/gc/Statistics.cpp
View File

@ -775,7 +775,6 @@ Statistics::Statistics(JSRuntime* rt)
: runtime(rt),
startupTime(PRMJ_Now()),
fp(nullptr),
fullFormat(false),
gcDepth(0),
nonincrementalReason_(nullptr),
timedGCStart(0),
@ -840,36 +839,30 @@ Statistics::Statistics(JSRuntime* rt)
}
char* env = getenv("MOZ_GCTIMER");
if (!env || strcmp(env, "none") == 0) {
fp = nullptr;
return;
}
if (strcmp(env, "stdout") == 0) {
fullFormat = false;
fp = stdout;
} else if (strcmp(env, "stderr") == 0) {
fullFormat = false;
fp = stderr;
} else {
fullFormat = true;
fp = fopen(env, "a");
MOZ_ASSERT(fp);
if (env) {
if (strcmp(env, "none") == 0) {
fp = nullptr;
} else if (strcmp(env, "stdout") == 0) {
fp = stdout;
} else if (strcmp(env, "stderr") == 0) {
fp = stderr;
} else {
fp = fopen(env, "a");
if (!fp)
MOZ_CRASH("Failed to open MOZ_GCTIMER log file.");
}
}
}
Statistics::~Statistics()
{
if (fp) {
if (fullFormat) {
StatisticsSerializer ss(StatisticsSerializer::AsText);
FormatPhaseTimes(ss, "", phaseTotals);
char* msg = ss.finishCString();
if (msg) {
fprintf(fp, "TOTALS\n%s\n\n-------\n", msg);
js_free(msg);
}
StatisticsSerializer ss(StatisticsSerializer::AsText);
FormatPhaseTimes(ss, "", phaseTotals);
char* msg = ss.finishCString();
if (msg) {
fprintf(fp, "TOTALS\n%s\n\n-------\n", msg);
js_free(msg);
}
if (fp != stdout && fp != stderr)
@ -912,26 +905,11 @@ void
Statistics::printStats()
{
if (aborted) {
if (fullFormat)
fprintf(fp, "OOM during GC statistics collection. The report is unavailable for this GC.\n");
fflush(fp);
return;
}
if (fullFormat) {
fprintf(fp, "OOM during GC statistics collection. The report is unavailable for this GC.\n");
} else {
UniqueChars msg = formatDetailedMessage();
if (msg)
fprintf(fp, "GC(T+%.3fs) %s\n", t(slices[0].start - startupTime) / 1000.0, msg.get());
} else {
int64_t total, longest;
gcDuration(&total, &longest);
int64_t markTotal = SumPhase(PHASE_MARK, phaseTimes);
fprintf(fp, "%f %f %f\n",
t(total),
t(markTotal),
t(phaseTimes[PHASE_DAG_NONE][PHASE_SWEEP]));
MOZ_ASSERT(phaseExtra[PHASE_SWEEP].dagSlot == PHASE_DAG_NONE);
}
fflush(fp);
}

2
js/src/gc/Statistics.h
View File

@ -240,8 +240,8 @@ struct Statistics
int64_t startupTime;
/* File pointer used for MOZ_GCTIMER output. */
FILE* fp;
bool fullFormat;
/*
* GCs can't really nest, but a second GC can be triggered from within the