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[Profile] dump ic value profile value/site-count histogram

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Differential Revision: http://reviews.google.com/D24783

llvm-svn: 282017
This commit is contained in:
Xinliang David Li 2016-09-20 21:04:22 +00:00
parent 658d5cf8a0
commit 71316d5b37
2 changed files with 14 additions and 1 deletions
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3
test/tools/llvm-profdata/value-prof.proftext
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@ -66,4 +66,7 @@ foo2:20000
#ICSUM: Total Number of Indirect Call Sites : 3
#ICSUM: Total Number of Sites With Values : 2
#ICSUM: Total Number of Profiled Values : 3
#ICSUM: NumTargets, SiteCount
#ICSUM 1, 1
#ICSUM 2, 1

12
tools/llvm-profdata/llvm-profdata.cpp
View File

@ -463,6 +463,7 @@ static int showInstrProfile(const std::string &Filename, bool ShowCounts,
uint64_t TotalNumValueSites = 0;
uint64_t TotalNumValueSitesWithValueProfile = 0;
uint64_t TotalNumValues = 0;
std::vector<unsigned> ICHistogram;
for (const auto &Func : *Reader) {
bool Show =
ShowAllFunctions || (!ShowFunction.empty() &&
@ -515,8 +516,12 @@ static int showInstrProfile(const std::string &Filename, bool ShowCounts,
std::unique_ptr<InstrProfValueData[]> VD =
Func.getValueForSite(IPVK_IndirectCallTarget, I);
TotalNumValues += NV;
if (NV)
if (NV) {
TotalNumValueSitesWithValueProfile++;
if (NV > ICHistogram.size())
ICHistogram.resize(NV, 0);
ICHistogram[NV - 1]++;
}
for (uint32_t V = 0; V < NV; V++) {
OS << "\t[ " << I << ", ";
OS << Symtab.getFuncName(VD[V].Value) << ", " << VD[V].Count
@ -543,6 +548,11 @@ static int showInstrProfile(const std::string &Filename, bool ShowCounts,
OS << "Total Number of Sites With Values : "
<< TotalNumValueSitesWithValueProfile << "\n";
OS << "Total Number of Profiled Values : " << TotalNumValues << "\n";
OS << "IC Value histogram : \n\tNumTargets, SiteCount\n";
for (unsigned I = 0; I < ICHistogram.size(); I++) {
OS << "\t" << I + 1 << ", " << ICHistogram[I] << "\n";
}
}
if (ShowDetailedSummary) {