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v1.2.48 - Add CPU% and MEM% ASCII bar graphs to API page stats

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2026-02-25 07:33:06 -04:00
parent 63bc526163
commit b6ff4150b4
4 changed files with 50 additions and 9 deletions
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src/api.c
+21 -2
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@@ -1295,13 +1295,13 @@ cJSON* query_cpu_metrics(void) {
// Get active WebSocket connection count
cJSON_AddNumberToObject(cpu_stats, "active_connections", (double)get_active_connection_count());
// Get memory usage from /proc/self/status
// Get memory usage from /proc/self/status and calculate MEM%
unsigned long rss_kb = 0;
FILE* mem_stat = fopen("/proc/self/status", "r");
if (mem_stat) {
char line[256];
while (fgets(line, sizeof(line), mem_stat)) {
if (strncmp(line, "VmRSS:", 6) == 0) {
unsigned long rss_kb;
if (sscanf(line, "VmRSS: %lu kB", &rss_kb) == 1) {
double rss_mb = rss_kb / 1024.0;
cJSON_AddNumberToObject(cpu_stats, "memory_usage_mb", rss_mb);
@@ -1312,6 +1312,25 @@ cJSON* query_cpu_metrics(void) {
fclose(mem_stat);
}
// Get total system memory from /proc/meminfo for MEM%
if (rss_kb > 0) {
FILE* meminfo = fopen("/proc/meminfo", "r");
if (meminfo) {
char line[256];
while (fgets(line, sizeof(line), meminfo)) {
if (strncmp(line, "MemTotal:", 9) == 0) {
unsigned long total_kb;
if (sscanf(line, "MemTotal: %lu kB", &total_kb) == 1 && total_kb > 0) {
double mem_pct = (rss_kb * 100.0) / total_kb;
cJSON_AddNumberToObject(cpu_stats, "memory_percent", mem_pct);
}
break;
}
}
fclose(meminfo);
}
}
return cpu_stats;
}