[libFuzzer] remove -output_csv option. It duplicates the default output and got out of sync

llvm-svn: 300768

lib/Fuzzer/FuzzerDriver.cpp

@@ -576,7 +576,6 @@ int FuzzerDriver(int *argc, char ***argv, UserCallback Callback) {
   Options.PreferSmall = Flags.prefer_small;
   Options.ReloadIntervalSec = Flags.reload;
   Options.OnlyASCII = Flags.only_ascii;
-  Options.OutputCSV = Flags.output_csv;
   Options.DetectLeaks = Flags.detect_leaks;
   Options.TraceMalloc = Flags.trace_malloc;
   Options.RssLimitMb = Flags.rss_limit_mb;

lib/Fuzzer/FuzzerFlags.def

@@ -86,7 +86,6 @@ FUZZER_FLAG_STRING(exact_artifact_path,
                    "as $(exact_artifact_path). This overrides -artifact_prefix "
                    "and will not use checksum in the file name. Do not "
                    "use the same path for several parallel processes.")
-FUZZER_FLAG_INT(output_csv, 0, "Enable pulse output in CSV format.")
 FUZZER_FLAG_INT(print_pcs, 0, "If 1, print out newly covered PCs.")
 FUZZER_FLAG_INT(print_final_stats, 0, "If 1, print statistics at exit.")
 FUZZER_FLAG_INT(print_corpus_stats, 0,
@@ -130,3 +129,4 @@ FUZZER_DEPRECATED_FLAG(sync_timeout)
 FUZZER_DEPRECATED_FLAG(test_single_input)
 FUZZER_DEPRECATED_FLAG(drill)
 FUZZER_DEPRECATED_FLAG(truncate_units)
+FUZZER_DEPRECATED_FLAG(output_csv)

lib/Fuzzer/FuzzerLoop.cpp

@@ -253,17 +253,6 @@ void Fuzzer::RssLimitCallback() {
 
 void Fuzzer::PrintStats(const char *Where, const char *End, size_t Units) {
   size_t ExecPerSec = execPerSec();
-  if (Options.OutputCSV) {
-    static bool csvHeaderPrinted = false;
-    if (!csvHeaderPrinted) {
-      csvHeaderPrinted = true;
-      Printf("runs,block_cov,bits,cc_cov,corpus,execs_per_sec,tbms,reason\n");
-    }
-    Printf("%zd,%zd,%zd,%zd,%s\n", TotalNumberOfRuns,
-           TPC.GetTotalPCCoverage(),
-           Corpus.size(), ExecPerSec, Where);
-  }
-
   if (!Options.Verbosity)
     return;
   Printf("#%zd\t%s", TotalNumberOfRuns, Where);

lib/Fuzzer/FuzzerOptions.h

@@ -45,7 +45,6 @@ struct FuzzingOptions {
   std::string ExitOnItem;
   bool SaveArtifacts = true;
   bool PrintNEW = true; // Print a status line when new units are found;
-  bool OutputCSV = false;
   bool PrintNewCovPcs = false;
   bool PrintFinalStats = false;
   bool PrintCorpusStats = false;