Add 'projects/rocprofiler-systems/' from commit '92e1d84c72c9321d79a1866e0090fae0215e6557'

git-subtree-dir: projects/rocprofiler-systems
git-subtree-mainline: ee9e74df21
git-subtree-split: 92e1d84c72

projects/rocprofiler-systems/examples/trace-time-window/trace-time-window.cpp

@@ -0,0 +1,80 @@
+#include <chrono>
+#include <cstdio>
+#include <cstdlib>
+#include <ratio>
+#include <string>
+#include <thread>
+
+#define NOINLINE __attribute__((noinline))
+
+NOINLINE size_t
+inner();
+
+NOINLINE size_t
+outer_a();
+
+NOINLINE size_t
+outer_b();
+
+NOINLINE size_t
+outer_c();
+
+NOINLINE size_t
+outer_d();
+
+NOINLINE size_t
+outer_e();
+
+int
+main(int argc, char** argv)
+{
+    int nrepeat = 1;
+    if(argc > 1) nrepeat = atol(argv[1]);
+
+    std::string _name = argv[0];
+    auto        _pos  = _name.find_last_of('/');
+    if(_pos != std::string::npos) _name = _name.substr(_pos + 1);
+
+    size_t nitr = 0;
+    for(int i = 0; i < nrepeat; ++i)
+    {
+        nitr += outer_a();
+        nitr += outer_b();
+        nitr += outer_c();
+        nitr += outer_d();
+        nitr += outer_e();
+        printf("[%s][%i] number of calls made = %zu\n", _name.c_str(), i, nitr);
+    }
+}
+
+size_t
+inner(size_t _duration)
+{
+    static int64_t _n = 0;
+
+    if(_n++ % 5 == 2)
+    {
+        using clock_type = std::chrono::high_resolution_clock;
+        auto   _end      = clock_type::now() + std::chrono::milliseconds{ _duration };
+        size_t nitr      = 0;
+        while(clock_type::now() < _end)
+        {
+            ++nitr;
+        }
+        return nitr;
+    }
+    else
+    {
+        std::this_thread::sleep_for(std::chrono::milliseconds{ _duration });
+        return 1;
+    }
+}
+
+#define OUTER_FUNCTION(TAG)                                                              \
+    size_t outer_##TAG() { return inner(500); }
+
+OUTER_FUNCTION(a)
+OUTER_FUNCTION(b)
+OUTER_FUNCTION(c)
+OUTER_FUNCTION(d)
+OUTER_FUNCTION(e)