pm: cpupower: remove hard-coded topology depth values

Remove hard-coded topology depth values and replace them with
defines to improve code readability and maintainability in
cpupower-monitor code.

Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Shuah Khan <[email protected]>

Author: shuahkh

tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c

@@ -92,7 +92,11 @@ int fill_string_with_spaces(char *s, int n)
 	return 0;
 }
 
-#define MAX_COL_WIDTH 6
+#define MAX_COL_WIDTH		6
+#define TOPOLOGY_DEPTH_PKG	3
+#define TOPOLOGY_DEPTH_CORE	2
+#define TOPOLOGY_DEPTH_CPU	1
+
 void print_header(int topology_depth)
 {
 	int unsigned mon;
@@ -114,12 +118,19 @@ void print_header(int topology_depth)
 	}
 	printf("\n");
 
-	if (topology_depth > 2)
+	switch (topology_depth) {
+	case TOPOLOGY_DEPTH_PKG:
 		printf(" PKG|");
-	if (topology_depth > 1)
+		break;
+	case TOPOLOGY_DEPTH_CORE:
 		printf("CORE|");
-	if (topology_depth > 0)
+		break;
+	case	TOPOLOGY_DEPTH_CPU:
 		printf(" CPU|");
+		break;
+	default:
+		return;
+	}
 
 	for (mon = 0; mon < avail_monitors; mon++) {
 		if (mon != 0)
@@ -153,12 +164,19 @@ void print_results(int topology_depth, int cpu)
 	    cpu_top.core_info[cpu].pkg == -1)
 		return;
 
-	if (topology_depth > 2)
+	switch (topology_depth) {
+	case TOPOLOGY_DEPTH_PKG:
 		printf("%4d|", cpu_top.core_info[cpu].pkg);
-	if (topology_depth > 1)
+		break;
+	case TOPOLOGY_DEPTH_CORE:
 		printf("%4d|", cpu_top.core_info[cpu].core);
-	if (topology_depth > 0)
+		break;
+	case TOPOLOGY_DEPTH_CPU:
 		printf("%4d|", cpu_top.core_info[cpu].cpu);
+		break;
+	default:
+		return;
+	}
 
 	for (mon = 0; mon < avail_monitors; mon++) {
 		if (mon != 0)
@@ -454,15 +472,15 @@ int cmd_monitor(int argc, char **argv)
 	/* ToDo: Topology parsing needs fixing first to do
 	   this more generically */
 	if (cpu_top.pkgs > 1)
-		print_header(3);
+		print_header(TOPOLOGY_DEPTH_PKG);
 	else
-		print_header(1);
+		print_header(TOPOLOGY_DEPTH_CPU);
 
 	for (cpu = 0; cpu < cpu_count; cpu++) {
 		if (cpu_top.pkgs > 1)
-			print_results(3, cpu);
+			print_results(TOPOLOGY_DEPTH_PKG, cpu);
 		else
-			print_results(1, cpu);
+			print_results(TOPOLOGY_DEPTH_CPU, cpu);
 	}
 
 	for (num = 0; num < avail_monitors; num++) {