feat add profiling

3party/cppuprofile/sample/main.cpp

@@ -0,0 +1,74 @@
+// Software Name : cppuprofile
+// SPDX-FileCopyrightText: Copyright (c) 2022 Orange
+// SPDX-License-Identifier: BSD-3-Clause
+//
+// This software is distributed under the BSD License;
+// see the LICENSE file for more details.
+//
+// Author: Cédric CHEDALEUX <cedric.chedaleux@orange.com> et al
+
+#include <chrono>
+#include <stdlib.h>
+#include <thread>
+#include <uprofile.h>
+
+void printSystemMemory()
+{
+    int total = 0, free = 0, available = 0;
+    uprofile::getSystemMemory(total, free, available);
+    printf("Memory: total = %i MB, free = %i MB, available = %i MB\n", total / 1000, free / 1000, available / 1000);
+}
+
+int main(int argc, char* argv[])
+{
+    uprofile::start("./test.log");
+
+    // --- DUMP CPU USAGE ---
+    printf("CPU usage = (");
+    std::vector<float> loads = uprofile::getInstantCpuUsage();
+    for (auto it = loads.cbegin(); it != loads.cend(); ++it) {
+        printf("%0.2f%% ", *it);
+    }
+    printf(")\n");
+
+    // --- START MONITORING ---
+    uprofile::startCPUUsageMonitoring(200);
+    uprofile::startSystemMemoryMonitoring(200);
+    uprofile::startProcessMemoryMonitoring(200);
+
+    // --- USE MEMORY ---
+    printSystemMemory();
+    uprofile::timeBegin("UseMemory");
+
+    int lengthBuff = 100000000;
+    char* buf;
+    printf("Allocating %f MB\n", lengthBuff / sizeof(char) / 1000000.0f);
+    buf = (char*)malloc(lengthBuff + 1);
+    for (int i = 0; i < lengthBuff; i++) {
+        buf[i] = rand() % 26 + 'a';
+    }
+    buf[lengthBuff] = '\0';
+    uprofile::timeEnd("UseMemory");
+    printSystemMemory();
+
+    // --- WAIT 5 SECONDS ---
+    uprofile::timeBegin("Sleep1");
+    std::this_thread::sleep_for(std::chrono::seconds(5));
+    uprofile::timeEnd("Sleep1");
+
+    // --- RELEASE MEMORY ---
+    uprofile::timeBegin("FreeMemory");
+    free(buf);
+    uprofile::timeEnd("FreeMemory");
+    printf("Releasing memory\n");
+    printSystemMemory();
+
+    // --- WAIT 5 SECONDS ---
+    uprofile::timeBegin("Sleep2");
+    std::this_thread::sleep_for(std::chrono::seconds(5));
+    uprofile::timeEnd("Sleep2");
+
+    uprofile::stop();
+
+    return 0;
+}