[llvm] r264222 - [sancov] -print-coverage-stats option to print various coverage statistics.
Mike Aizatsky via llvm-commits
llvm-commits at lists.llvm.org
Wed Mar 23 17:00:08 PDT 2016
Author: aizatsky
Date: Wed Mar 23 19:00:08 2016
New Revision: 264222
URL: http://llvm.org/viewvc/llvm-project?rev=264222&view=rev
Log:
[sancov] -print-coverage-stats option to print various coverage statistics.
Differential Revision: http://reviews.llvm.org/D18418
Added:
llvm/trunk/test/tools/sancov/stats.test
Modified:
llvm/trunk/tools/sancov/sancov.cc
Added: llvm/trunk/test/tools/sancov/stats.test
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/sancov/stats.test?rev=264222&view=auto
==============================================================================
--- llvm/trunk/test/tools/sancov/stats.test (added)
+++ llvm/trunk/test/tools/sancov/stats.test Wed Mar 23 19:00:08 2016
@@ -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
+
+
Modified: llvm/trunk/tools/sancov/sancov.cc
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/sancov/sancov.cc?rev=264222&r1=264221&r2=264222&view=diff
==============================================================================
--- llvm/trunk/tools/sancov/sancov.cc (original)
+++ llvm/trunk/tools/sancov/sancov.cc Wed Mar 23 19:00:08 2016
@@ -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:
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");
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