Fixed: Number of cores wrongly detected for Ryzen in rare cases.

src/linux/btop_collect.cpp

@@ -26,6 +26,7 @@ tab-size = 4
 #include <netdb.h>
 #include <ifaddrs.h>
 #include <net/if.h>
+#include <thread>
 
 #if !(defined(STATIC_BUILD) && defined(__GLIBC__))
 	#include <pwd.h>
@@ -106,10 +107,13 @@ namespace Shared {
 		if (passwd_path.empty())
 			Logger::warning("Could not read /etc/passwd, will show UID instead of username.");
 
-		coreCount = sysconf(_SC_NPROCESSORS_CONF);
+		coreCount = std::thread::hardware_concurrency();
 		if (coreCount < 1) {
-			coreCount = 1;
-			Logger::warning("Could not determine number of cores, defaulting to 1.");
+			coreCount = sysconf(_SC_NPROCESSORS_CONF);
+			if (coreCount < 1) {
+				coreCount = 1;
+				Logger::warning("Could not determine number of cores, defaulting to 1.");
+			}
 		}
 
 		pageSize = sysconf(_SC_PAGE_SIZE);