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[sancov] -print-coverage-stats option to print various coverage statistics.

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Differential Revision: http://reviews.llvm.org/D18418

llvm-svn: 264222
This commit is contained in:
Mike Aizatsky 2016-03-24 00:00:08 +00:00
parent 34b790d0e7
commit 09a14f0340
2 changed files with 59 additions and 4 deletions
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9
test/tools/sancov/stats.test Normal file
View File

@ -0,0 +1,9 @@
REQUIRES: x86_64-linux
RUN: sancov -print-coverage-stats %p/Inputs/test-linux_x86_64 %p/Inputs/test-linux_x86_64.0.sancov | FileCheck %s
CHECK: all-points: 16
CHECK: cov-points: 7
CHECK: all-fns: 3
CHECK: cov-fns: 2

54
tools/sancov/sancov.cc
View File

@ -63,7 +63,8 @@ enum ActionType {
PrintCovPointsAction,
CoveredFunctionsAction,
NotCoveredFunctionsAction,
HtmlReportAction
HtmlReportAction,
StatsAction
};
cl::opt<ActionType> Action(
@ -77,6 +78,8 @@ cl::opt<ActionType> Action(
"Print all not covered funcions."),
clEnumValN(HtmlReportAction, "html-report",
"Print HTML coverage report."),
clEnumValN(StatsAction, "print-coverage-stats",
"Print coverage statistics."),
clEnumValEnd));
static cl::list<std::string>
@ -516,6 +519,23 @@ static ErrorOr<bool> isCoverageFile(std::string FileName) {
return Header->Magic == BinCoverageMagic;
}
struct CoverageStats {
CoverageStats() : AllPoints(0), CovPoints(0), AllFns(0), CovFns(0) {}
size_t AllPoints;
size_t CovPoints;
size_t AllFns;
size_t CovFns;
};
static raw_ostream &operator<<(raw_ostream &OS, const CoverageStats &Stats) {
OS << "all-points: " << Stats.AllPoints << "\n";
OS << "cov-points: " << Stats.CovPoints << "\n";
OS << "all-fns: " << Stats.AllFns << "\n";
OS << "cov-fns: " << Stats.CovFns << "\n";
return OS;
}
class CoverageData {
public:
// Read single file coverage data.
@ -615,9 +635,8 @@ public:
MIXED = 3
};
SourceCoverageData(std::string ObjectFile, const std::set<uint64_t> &Addrs) {
std::set<uint64_t> AllCovPoints = getCoveragePoints(ObjectFile);
SourceCoverageData(std::string ObjectFile, const std::set<uint64_t> &Addrs)
: AllCovPoints(getCoveragePoints(ObjectFile)) {
if (!std::includes(AllCovPoints.begin(), AllCovPoints.end(), Addrs.begin(),
Addrs.end())) {
Fail("Coverage points in binary and .sancov file do not match.");
@ -776,7 +795,15 @@ public:
return Files;
}
void collectStats(CoverageStats *Stats) const {
Stats->AllPoints += AllCovPoints.size();
Stats->AllFns += computeAllFunctions().size();
Stats->CovFns += computeCoveredFunctions().size();
}
private:
const std::set<uint64_t> AllCovPoints;
std::vector<AddrInfo> AllAddrInfo;
std::vector<AddrInfo> CovAddrInfo;
};
@ -954,6 +981,13 @@ public:
}
}
void collectStats(CoverageStats *Stats) const {
Stats->CovPoints += Addrs->size();
SourceCoverageData SCovData(ObjectFile, *Addrs);
SCovData.collectStats(Stats);
}
private:
CoverageDataWithObjectFile(std::string ObjectFile,
std::unique_ptr<CoverageData> Coverage)
@ -1048,6 +1082,14 @@ public:
}
}
void printStats(raw_ostream &OS) const {
CoverageStats Stats;
for (const auto &Cov : Coverage) {
Cov->collectStats(&Stats);
}
OS << Stats;
}
void printReport(raw_ostream &OS) const {
auto Title =
(llvm::sys::path::filename(MainObjFile) + " Coverage Report").str();
@ -1172,6 +1214,10 @@ int main(int argc, char **argv) {
CovDataSet.get()->printReport(outs());
return 0;
}
case StatsAction: {
CovDataSet.get()->printStats(outs());
return 0;
}
case PrintAction:
case PrintCovPointsAction:
llvm_unreachable("unsupported action");