1 //===-- tsan_flags.inc ------------------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // TSan runtime flags. 11 // 12 //===----------------------------------------------------------------------===// 13 #ifndef TSAN_FLAG 14 # error "Define TSAN_FLAG prior to including this file!" 15 #endif 16 17 // TSAN_FLAG(Type, Name, DefaultValue, Description) 18 // See COMMON_FLAG in sanitizer_flags.inc for more details. 19 20 TSAN_FLAG(bool, enable_annotations, true, 21 "Enable dynamic annotations, otherwise they are no-ops.") 22 // Suppress a race report if we've already output another race report 23 // with the same stack. 24 TSAN_FLAG(bool, suppress_equal_stacks, true, 25 "Suppress a race report if we've already output another race report " 26 "with the same stack.") 27 TSAN_FLAG(bool, suppress_equal_addresses, true, 28 "Suppress a race report if we've already output another race report " 29 "on the same address.") 30 31 TSAN_FLAG(bool, report_bugs, true, 32 "Turns off bug reporting entirely (useful for benchmarking).") 33 TSAN_FLAG(bool, report_thread_leaks, true, "Report thread leaks at exit?") 34 TSAN_FLAG(bool, report_destroy_locked, true, 35 "Report destruction of a locked mutex?") 36 TSAN_FLAG(bool, report_mutex_bugs, true, 37 "Report incorrect usages of mutexes and mutex annotations?") 38 TSAN_FLAG(bool, report_signal_unsafe, true, 39 "Report violations of async signal-safety " 40 "(e.g. malloc() call from a signal handler).") 41 TSAN_FLAG(bool, report_atomic_races, true, 42 "Report races between atomic and plain memory accesses.") 43 TSAN_FLAG( 44 bool, force_seq_cst_atomics, false, 45 "If set, all atomics are effectively sequentially consistent (seq_cst), " 46 "regardless of what user actually specified.") 47 TSAN_FLAG(bool, print_benign, false, "Print matched \"benign\" races at exit.") 48 TSAN_FLAG(int, exitcode, 66, "Override exit status if something was reported.") 49 TSAN_FLAG(bool, halt_on_error, false, "Exit after first reported error.") 50 TSAN_FLAG(int, atexit_sleep_ms, 1000, 51 "Sleep in main thread before exiting for that many ms " 52 "(useful to catch \"at exit\" races).") 53 TSAN_FLAG(const char *, profile_memory, "", 54 "If set, periodically write memory profile to that file.") 55 TSAN_FLAG(int, flush_memory_ms, 0, "Flush shadow memory every X ms.") 56 TSAN_FLAG(int, flush_symbolizer_ms, 5000, "Flush symbolizer caches every X ms.") 57 TSAN_FLAG( 58 int, memory_limit_mb, 0, 59 "Resident memory limit in MB to aim at." 60 "If the process consumes more memory, then TSan will flush shadow memory.") 61 TSAN_FLAG(bool, stop_on_start, false, 62 "Stops on start until __tsan_resume() is called (for debugging).") 63 TSAN_FLAG(bool, running_on_valgrind, false, 64 "Controls whether RunningOnValgrind() returns true or false.") 65 TSAN_FLAG( 66 int, history_size, kGoMode ? 1 : 3, // There are a lot of goroutines in Go. 67 "Per-thread history size, controls how many previous memory accesses " 68 "are remembered per thread. Possible values are [0..7]. " 69 "history_size=0 amounts to 32K memory accesses. Each next value doubles " 70 "the amount of memory accesses, up to history_size=7 that amounts to " 71 "4M memory accesses. The default value is 2 (128K memory accesses).") 72 TSAN_FLAG(int, io_sync, 1, 73 "Controls level of synchronization implied by IO operations. " 74 "0 - no synchronization " 75 "1 - reasonable level of synchronization (write->read)" 76 "2 - global synchronization of all IO operations.") 77 TSAN_FLAG(bool, die_after_fork, true, 78 "Die after multi-threaded fork if the child creates new threads.") 79 TSAN_FLAG(const char *, suppressions, "", "Suppressions file name.") 80
