diff --git a/lld/MachO/Config.h b/lld/MachO/Config.h
--- a/lld/MachO/Config.h
+++ b/lld/MachO/Config.h
@@ -86,7 +86,7 @@
   uint32_t headerPad;
   uint32_t dylibCompatibilityVersion = 0;
   uint32_t dylibCurrentVersion = 0;
-  uint32_t timeTraceGranularity = 0;
+  uint32_t timeTraceGranularity = 500;
   std::string progName;
   llvm::StringRef installName;
   llvm::StringRef mapFile;
diff --git a/lld/MachO/Driver.cpp b/lld/MachO/Driver.cpp
--- a/lld/MachO/Driver.cpp
+++ b/lld/MachO/Driver.cpp
@@ -989,6 +989,8 @@
   config->progName = argsArr[0];
 
   config->timeTraceEnabled = args.hasArg(OPT_time_trace);
+  config->timeTraceGranularity =
+      args::getInteger(args, OPT_time_trace_granularity_eq, 500);
 
   // Initialize time trace profiler.
   if (config->timeTraceEnabled)
diff --git a/lld/MachO/Options.td b/lld/MachO/Options.td
--- a/lld/MachO/Options.td
+++ b/lld/MachO/Options.td
@@ -39,7 +39,7 @@
     HelpText<"Use the new pass manager in LLVM">,
     Group<grp_lld>;
 def time_trace: Flag<["--"], "time-trace">, HelpText<"Record time trace">;
-def time_trace_granularity: Flag<["--"], "time-trace-granularity">,
+def time_trace_granularity_eq: Flag<["--"], "time-trace-granularity=">,
     HelpText<"Minimum time granularity (in microseconds) traced by time profiler">;
 def time_trace_file_eq: Flag<["--"], "time-trace-file=">, HelpText<"Specify time trace output file">;