documentation update

README.md

@@ -5,7 +5,7 @@ Cpuusage
 |-----------------|
 | [![Build status](https://travis-ci.org/d99kris/cpuusage.svg?branch=master)](https://travis-ci.org/d99kris/cpuusage) |
 
-Cpuusage is an instrumentation CPU profiler for Linux applications.
+Cpuusage is an instrumentation CPU profiler for Linux and macOS applications.
 It provides logging of standard POSIX function calls for any application, and logging of
 internal function calls for programs compiled with -finstrument-functions.
 The logging output format is a HTML-file generated using 
@@ -28,7 +28,8 @@ Resulting visualization:
 
 Supported Platforms
 ===================
-Cpuusage is primarily developed and tested on Linux.
+Cpuusage is primarily developed and tested on Linux, but basic functionality
+should work in macOS / OS X as well.
 
 Installation
 ============
@@ -147,10 +148,11 @@ Resulting visualization:
 
 Alternatives
 ============
-There are many CPU profilers available for Linux. Most of them are sample-based, and here
-is a list of some of them:
+There are many CPU profilers available for Linux and macOS. Most of them are
+sample-based, and here is a list of some of them:
 - Gperftools
 - Gprof
+- Instruments - Time Profiler
 - Valgrind - Callgrind
 
 License
@@ -159,5 +161,5 @@ Cpuusage is distributed under the BSD 3-Clause license. See LICENSE file.
 
 Keywords
 ========
-linux, cpu usage, instrumented profiler, alternative to callgrind.
+linux, macos, cpu usage, instrumented profiler, alternative to callgrind.