Get parallelism to kind of work

Makefile

@@ -1,3 +1,5 @@
+.PHONY: test_baseline_stats profile test_read_rapl
+
 test_read_rapl:
 	g++ src/rapl.cpp tests/test_read_rapl.c -I./src -o test_read_rapl
 

src/main.cpp

@@ -24,6 +24,10 @@ std::vector<pid_t> get_tids(pid_t target) {
     struct dirent *ep;
     std::vector<pid_t> tids;
     DIR* dp = opendir(path);
+    if (dp == NULL) {
+        tids.push_back(target);
+        return tids;
+    }
     while ((ep = readdir(dp))) {
         tids.push_back(strtoll(ep->d_name, NULL, 10));
     }

src/profiler.cpp

@@ -78,12 +78,13 @@ std::vector<std::string> unwind(pid_t pid) {
         unw_word_t offset;
         char fname[MAX_SYMLEN] = {0};
         int resp = unw_get_proc_name(&c, fname, MAX_SYMLEN, &offset);
-        unw_word_t ip;
-        unw_get_reg(&c, UNW_REG_IP, &ip);
-        Dl_info info;
-        dladdr((void*)ip, &info);
-        printf("%p\n", (void*)ip);        
-        printf("%s: %p\n",fname, (char*)info.dli_fbase);        
+        // unw_word_t ip;
+        // unw_get_reg(&c, UNW_REG_IP, &ip);
+        // Dl_info info;
+        // dladdr((void*)ip, &info);
+        // printf("%p\n", (void*)ip);        
+        // printf("%s: %p\n",fname, (char*)info.dli_fbase);       
+
         // disas(pid, regs.rip);
         // printf("RIP: %llx instruction %lx\n", regs.rip, ins);
         stack.emplace_back(fname);

src/rapl.hpp

@@ -14,7 +14,7 @@
 #include <windows.h>
 #define SLEEP(s) sleep(s)
 #else
-#include <unistd.h>
+#include <time.h>
 #define SLEEP(s) nanosleep((const struct timespec[]){{0, s * 1000000}}, NULL)
 #endif