Fix memory on mac included cached and swap (#1298)

* Fix memory on mac included cached and swap

* set inteval monitor to 0.5s

---------

Co-authored-by: Hien To <hien@jan.ai>

extensions/monitoring-extension/package.json

@@ -17,7 +17,7 @@
   },
   "dependencies": {
     "@janhq/core": "file:../../core",
-    "os-utils": "^0.0.14",
+    "node-os-utils": "^1.3.7",
     "ts-loader": "^9.5.0"
   },
   "files": [
@@ -26,6 +26,6 @@
     "README.md"
   ],
   "bundleDependencies": [
-    "os-utils"
+    "node-os-utils"
   ]
 }

extensions/monitoring-extension/src/module.ts

@@ -1,25 +1,25 @@
 const os = require("os");
-const osUtils = require("os-utils");
+const nodeOsUtils = require("node-os-utils");
 
 const getResourcesInfo = () =>
   new Promise((resolve) => {
-    const totalMemory = os.totalmem();
-    const freeMemory = os.freemem();
-    const usedMemory = totalMemory - freeMemory;
-
-    const response = {
-      mem: {
-        totalMemory,
-        usedMemory,
-      },
-    };
-    resolve(response);
+    nodeOsUtils.mem.used()
+      .then(ramUsedInfo => {
+        const totalMemory = ramUsedInfo.totalMemMb * 1024 * 1024;
+        const usedMemory = ramUsedInfo.usedMemMb * 1024 * 1024;
+        const response = {
+          mem: {
+            totalMemory,
+            usedMemory,
+          },
+        };
+        resolve(response);
+      })
   });
 
 const getCurrentLoad = () =>
   new Promise((resolve) => {
-    osUtils.cpuUsage(function(v){
-      const cpuPercentage = v * 100;
+    nodeOsUtils.cpu.usage().then(cpuPercentage =>{
       const response = {
         cpu: {
           usage: cpuPercentage,

web/hooks/useGetSystemResources.ts

@@ -46,12 +46,12 @@ export default function useGetSystemResources() {
   useEffect(() => {
     getSystemResources()
 
-    // Fetch interval - every 2s
+    // Fetch interval - every 0.5s
     // TODO: Will we really need this?
     // There is a possibility that this will be removed and replaced by the process event hook?
     const intervalId = setInterval(() => {
       getSystemResources()
-    }, 2000)
+    }, 500)
 
     // clean up interval
     return () => clearInterval(intervalId)