i

main.c

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+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <math.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/time.h>
+#include <sys/types.h>
+
+float exec_cmd(char *cmd)
+{
+        FILE* fp;
+        char* command;
+        char* line;
+        char* result;
+
+        line = malloc(200 * sizeof(char));
+        command = malloc(200 * sizeof(char));
+        strcpy(command, cmd);
+
+        fp = popen(command,"r");
+        while((fgets(line, 60, fp)))
+        {
+                result = line;
+        }
+        return atof(result);
+}
+
+long long current_timestamp() {
+    struct timeval te; 
+    gettimeofday(&te, NULL); // get current time
+    long long milliseconds = te.tv_sec*1000LL + te.tv_usec/1000; // calculate milliseconds
+    // printf("milliseconds: %lld\n", milliseconds);
+    return milliseconds;
+}
+
+float main()
+{
+        float freq = exec_cmd("cat /proc/cpuinfo | grep \"cpu MHz\" | awk '{s+=$4} END {printf \"%0.3f\", s}'");
+        float cpus = exec_cmd("cat /proc/cpuinfo | grep processor | wc -l");
+	float core = exec_cmd("grep 'cpu ' /proc/stat | awk '{usage=($2+$4)*100/($2+$4+$5)} END {print usage \"\"}'");
+        float ram = exec_cmd("free -mt | grep Total: | awk '{s+=$3} END {printf \"%d\", s}'");
+	float pid = getpid();
+
+        printf("\nRamdy 0.1\n");
+        printf("\n-------------------------\n");
+        printf("\nTimestamp: %lld \nPid: %1.0f \nFreq: %.6f \nCpus: %.6f \nCore: %.6f \n", current_timestamp(), pid, freq, cpus,core);
+        printf("\n----------\n");
+
+        float date = (getpid() * current_timestamp()) % 1000;
+        int cpu = (int)(freq * ram) % 1000;
+        float result = (100 * (date * cpu)) / 998001;
+
+        printf("\nDate: %1.0f\n", date);
+        printf("\nCpu: %d\n", cpu);
+        printf("\nResult: %.6f\n", result);
+
+        return result;
+}

run.sh

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+cc main.c -o randy
+./randy
+