[libFuzzer] better documentatio for -save_minimized_corpus=1

[oota-llvm.git] / lib / Fuzzer / FuzzerFlags.def

diff --git a/lib/Fuzzer/FuzzerFlags.def b/lib/Fuzzer/FuzzerFlags.def
index 25dffe452b82ff2962b17ab5db31d4e0dc9cc46c..824c9f1b912bf433b8edd94037bb4c65e5cdf42a 100644 (file)
--- a/lib/Fuzzer/FuzzerFlags.def
+++ b/lib/Fuzzer/FuzzerFlags.def
@@ -12,12 +12,9 @@
 //===----------------------------------------------------------------------===//
 FUZZER_FLAG_INT(verbosity, 1, "Verbosity level.")
 FUZZER_FLAG_INT(seed, 0, "Random seed. If 0, seed is generated.")
-FUZZER_FLAG_INT(iterations, -1,
-            "Number of iterations of the fuzzer internal loop"
-            " (-1 for infinite iterations).")
 FUZZER_FLAG_INT(runs, -1,
             "Number of individual test runs (-1 for infinite runs).")
-FUZZER_FLAG_INT(max_len, 64, "Maximal length of the test input.")
+FUZZER_FLAG_INT(max_len, 64, "Maximum length of the test input.")
 FUZZER_FLAG_INT(cross_over, 1, "If 1, cross over inputs.")
 FUZZER_FLAG_INT(mutate_depth, 5,
             "Apply this number of consecutive mutations to each input.")
@@ -27,28 +24,45 @@ FUZZER_FLAG_INT(
     " If 0, never do that. If -1, do it sometimes.")
 FUZZER_FLAG_INT(exit_on_first, 0,
             "If 1, exit after the first new interesting input is found.")
-FUZZER_FLAG_INT(timeout, -1, "Timeout in seconds (if positive).")
+FUZZER_FLAG_INT(
+    timeout, 1200,
+    "Timeout in seconds (if positive). "
+    "If one unit runs more than this number of seconds the process will abort.")
 FUZZER_FLAG_INT(help, 0, "Print help.")
 FUZZER_FLAG_INT(
     save_minimized_corpus, 0,
-    "If 1, the minimized corpus is saved into the first input directory")
-FUZZER_FLAG_INT(use_counters, 0, "Use coverage counters")
+    "If 1, the minimized corpus is saved into the first input directory. "
+    "Example: ./fuzzer -save_minimized_corpus=1 NEW_EMPTY_DIR OLD_CORPUS")
+FUZZER_FLAG_INT(use_counters, 1, "Use coverage counters")
 FUZZER_FLAG_INT(use_traces, 0, "Experimental: use instruction traces")
 FUZZER_FLAG_INT(use_full_coverage_set, 0,
             "Experimental: Maximize the number of different full"
             " coverage sets as opposed to maximizing the total coverage."
             " This is potentially MUCH slower, but may discover more paths.")
-FUZZER_FLAG_INT(use_coverage_pairs, 0,
-            "Experimental: Maximize the number of different coverage pairs.")
 FUZZER_FLAG_INT(jobs, 0, "Number of jobs to run. If jobs >= 1 we spawn"
                           " this number of jobs in separate worker processes"
                           " with stdout/stderr redirected to fuzz-JOB.log.")
 FUZZER_FLAG_INT(workers, 0,
-            "Number of simultaneous worker processes to run the jobs.")
+            "Number of simultaneous worker processes to run the jobs."
+            " If zero, \"min(jobs,NumberOfCpuCores()/2)\" is used.")
 FUZZER_FLAG_INT(reload, 1,
                 "Reload the main corpus periodically to get new units"
-                "discovered by other processes.")
-FUZZER_FLAG_STRING(tokens, "Use the file with tokens (one token per line) to"
-                           " fuzz a token based input language.")
+                " discovered by other processes.")
+FUZZER_FLAG_STRING(deprecated_tokens,
+                   "Use the file with tokens (one token per line) to"
+                   " fuzz a token based input language.")
 FUZZER_FLAG_STRING(apply_tokens, "Read the given input file, substitute bytes "
                                  " with tokens and write the result to stdout.")
+FUZZER_FLAG_STRING(sync_command, "Execute an external command "
+                                 "\"<sync_command> <test_corpus>\" "
+                                 "to synchronize the test corpus.")
+FUZZER_FLAG_INT(sync_timeout, 600, "Minimum timeout between syncs.")
+FUZZER_FLAG_INT(report_slow_units, 10,
+    "Report slowest units if they run for more than this number of seconds.")
+FUZZER_FLAG_INT(only_ascii, 0,
+                "If 1, generate only ASCII (isprint+isspace) inputs.")
+FUZZER_FLAG_STRING(dict, "Experimental. Use the dictionary file.")
+FUZZER_FLAG_INT(tbm_depth, 5, "Apply at most this number of consecutive"
+                               "trace-based-mutations (tbm).")
+FUZZER_FLAG_INT(tbm_width, 5, "Apply at most this number of independent"
+                               "trace-based-mutations (tbm)")