Add option to accumulate a child's resources in parent in tree-view

src/btop_config.cpp

@@ -107,6 +107,8 @@ namespace Config {
 
 		{"proc_filter_kernel",  "#* (Linux) Filter processes tied to the Linux kernel(similar behavior to htop)."},
 
+		{"proc_aggregate",		"#* In tree-view, always accumulate child process resources in the parent process."},
+
 		{"cpu_graph_upper", 	"#* Sets the CPU stat shown in upper half of the CPU graph, \"total\" is always available.\n"
 								"#* Select from a list of detected attributes from the options menu."},
 
@@ -268,6 +270,7 @@ namespace Config {
 		{"lowcolor", false},
 		{"show_detailed", false},
 		{"proc_filtering", false},
+		{"proc_aggregate", false},
 	};
 	unordered_flat_map<std::string_view, bool> boolsTmp;
 

src/btop_menu.cpp

@@ -589,6 +589,11 @@ namespace Menu {
 				"Set true to show processes grouped by",
 				"parents with lines drawn between parent",
 				"and child process."},
+			{"proc_aggregate",
+				"Aggregate child's resources in parent.",
+				"",
+				"In tree-view, include all child resources",
+				"with the parent even while expanded."},
 			{"proc_colors",
 				"Enable colors in process view.",
 				"",

src/btop_shared.cpp

@@ -18,6 +18,7 @@ tab-size = 4
 
 #include <ranges>
 
+#include "btop_config.hpp"
 #include "btop_shared.hpp"
 #include "btop_tools.hpp"
 
@@ -156,6 +157,12 @@ namespace Proc {
 				filter_found++;
 				p.filtered = true;
 			}
+			else if (Config::getB("proc_aggregate")) {
+				cur_proc.cpu_p += p.cpu_p;
+				cur_proc.cpu_c += p.cpu_c;
+				cur_proc.mem += p.mem;
+				cur_proc.threads += p.threads;
+			}
 		}
 		if (collapsed or filtering) {
 			return;