Remove all macOs references.

MacOs does not report the current CPU id, so the trace information will be imcomplete.

Author: Ergus

.github/workflows/cmake.yml

@@ -22,7 +22,6 @@ jobs:
         - {os: ubuntu-24.04, cc: "gcc", cxx: "g++"}
         - {os: ubuntu-24.04, cc: "clang", cxx: "clang++"}
         - {os: windows-latest, cc: "cl", cxx: "cl"}
-        - {os: macos-latest, cc: "clang", cxx: "clang++"}
 
     steps:
       - uses: actions/checkout@v6

Profiler.hpp

@@ -73,10 +73,8 @@ namespace {
 #else // defined(WIN32)
 
 #include <unistd.h>
-#ifdef __linux__
 #include <linux/perf_event.h>
 #include <sys/syscall.h>
-#endif
 
 #ifdef _PSTL_PAR_BACKEND_TBB // This macro is defined in gcc libraries
 #include <oneapi/tbb/global_control.h>

tests/tests_profiler.cpp

@@ -254,7 +254,7 @@ DEFINE_TEST(test_perf_unknown_counter) {
 	bool caught = false;
 	try {
 		INSTRUMENT_PERF("this-counter-does-not-exist");
-#ifndef __linux__
+#ifdef _WIN32
 		throw profiler::profilerError("INSTRUMENT_PERF: unsupported counter 'this-counter-does-not-exist'");
 #endif
 	} catch (const profiler::profilerError &) {