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authorDouglas Gregor <dgregor@apple.com>2010-03-30 17:32:08 +0000
committerDouglas Gregor <dgregor@apple.com>2010-03-30 17:32:08 +0000
commit6ce57922bb8d550d91c8133d1fd27dd3eaf24c22 (patch)
treecdfbcb2c7c81aac9ec47b8fc67dc0fe7bf2bc8a8 /lib/Support/Statistic.cpp
parent8260ea5c6c15345e00ced1398b03e6886145e45c (diff)
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Introduce namespace-scope functions to enable LLVM statistics without
passing the command-line parameter "-stats" and to print the resulting statistics without calling llvm_shutdown(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99893 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Support/Statistic.cpp')
-rw-r--r--lib/Support/Statistic.cpp58
1 files changed, 37 insertions, 21 deletions
diff --git a/lib/Support/Statistic.cpp b/lib/Support/Statistic.cpp
index 40589c5..7d5f65a 100644
--- a/lib/Support/Statistic.cpp
+++ b/lib/Support/Statistic.cpp
@@ -48,6 +48,8 @@ namespace {
/// llvm_shutdown is called. We print statistics from the destructor.
class StatisticInfo {
std::vector<const Statistic*> Stats;
+ friend void llvm::PrintStatistics();
+ friend void llvm::PrintStatistics(raw_ostream &OS);
public:
~StatisticInfo();
@@ -92,41 +94,55 @@ struct NameCompare {
// Print information when destroyed, iff command line option is specified.
StatisticInfo::~StatisticInfo() {
- // Statistics not enabled?
- if (Stats.empty()) return;
+ llvm::PrintStatistics();
+}
- // Get the stream to write to.
- raw_ostream &OutStream = *CreateInfoOutputFile();
+void llvm::EnableStatistics() {
+ Enabled.setValue(true);
+}
+
+void llvm::PrintStatistics(raw_ostream &OS) {
+ StatisticInfo &Stats = *StatInfo;
// Figure out how long the biggest Value and Name fields are.
unsigned MaxNameLen = 0, MaxValLen = 0;
- for (size_t i = 0, e = Stats.size(); i != e; ++i) {
+ for (size_t i = 0, e = Stats.Stats.size(); i != e; ++i) {
MaxValLen = std::max(MaxValLen,
- (unsigned)utostr(Stats[i]->getValue()).size());
+ (unsigned)utostr(Stats.Stats[i]->getValue()).size());
MaxNameLen = std::max(MaxNameLen,
- (unsigned)std::strlen(Stats[i]->getName()));
+ (unsigned)std::strlen(Stats.Stats[i]->getName()));
}
// Sort the fields by name.
- std::stable_sort(Stats.begin(), Stats.end(), NameCompare());
+ std::stable_sort(Stats.Stats.begin(), Stats.Stats.end(), NameCompare());
// Print out the statistics header...
- OutStream << "===" << std::string(73, '-') << "===\n"
- << " ... Statistics Collected ...\n"
- << "===" << std::string(73, '-') << "===\n\n";
+ OS << "===" << std::string(73, '-') << "===\n"
+ << " ... Statistics Collected ...\n"
+ << "===" << std::string(73, '-') << "===\n\n";
// Print all of the statistics.
- for (size_t i = 0, e = Stats.size(); i != e; ++i) {
- std::string CountStr = utostr(Stats[i]->getValue());
- OutStream << std::string(MaxValLen-CountStr.size(), ' ')
- << CountStr << " " << Stats[i]->getName()
- << std::string(MaxNameLen-std::strlen(Stats[i]->getName()), ' ')
- << " - " << Stats[i]->getDesc() << "\n";
-
+ for (size_t i = 0, e = Stats.Stats.size(); i != e; ++i) {
+ std::string CountStr = utostr(Stats.Stats[i]->getValue());
+ OS << std::string(MaxValLen-CountStr.size(), ' ')
+ << CountStr << " " << Stats.Stats[i]->getName()
+ << std::string(MaxNameLen-std::strlen(Stats.Stats[i]->getName()), ' ')
+ << " - " << Stats.Stats[i]->getDesc() << "\n";
}
- OutStream << '\n'; // Flush the output stream.
- OutStream.flush();
-
+ OS << '\n'; // Flush the output stream.
+ OS.flush();
+
+}
+
+void llvm::PrintStatistics() {
+ StatisticInfo &Stats = *StatInfo;
+
+ // Statistics not enabled?
+ if (Stats.Stats.empty()) return;
+
+ // Get the stream to write to.
+ raw_ostream &OutStream = *CreateInfoOutputFile();
+ PrintStatistics(OutStream);
delete &OutStream; // Close the file.
}