docs(helm): sync current chart metadata

apps/docs/docs/getting-started/installation/helm.md

@@ -2,9 +2,9 @@
 
 <img src="https://raw.githubusercontent.com/homarr-labs/charts/refs/heads/main/charts/homarr/icon.svg" align="right" width="92" alt="homarr logo">
 
-![Version: 8.28.1](https://img.shields.io/badge/Version-8.28.1-informational?style=flat)
+![Version: 8.28.2](https://img.shields.io/badge/Version-8.28.2-informational?style=flat)
 ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat)
-![AppVersion: v1.76.1](https://img.shields.io/badge/AppVersion-v1.76.1-informational?style=flat)
+![AppVersion: v1.76.2](https://img.shields.io/badge/AppVersion-v1.76.2-informational?style=flat)
 
 A Helm chart to deploy homarr for Kubernetes
 
@@ -437,7 +437,7 @@ All available values are listed on the [artifacthub](https://artifacthub.io/pack
 | httproute.rules[0].matches[0].path.value           | string | `"/"`                                                                                                                                                                                                                                            | Path value to match                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
 | image.pullPolicy                                   | string | `"IfNotPresent"`                                                                                                                                                                                                                                 | Image pull policy                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
 | image.repository                                   | string | `"ghcr.io/homarr-labs/homarr"`                                                                                                                                                                                                                   | Image repository                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
-| image.tag                                          | string | `"v1.76.1"`                                                                                                                                                                                                                                      | Overrides the image tag whose default is the chart appVersion                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
+| image.tag                                          | string | `"v1.76.2"`                                                                                                                                                                                                                                      | Overrides the image tag whose default is the chart appVersion                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
 | imagePullSecrets                                   | list   | `[]`                                                                                                                                                                                                                                             | Secrets for Docker registry                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
 | ingress.annotations                                | object | `{}`                                                                                                                                                                                                                                             | Ingress annotations                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
 | ingress.enabled                                    | bool   | `false`                                                                                                                                                                                                                                          | Enable ingress                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |

packages/request-handler/src/docker.ts

@@ -481,14 +481,13 @@ export function calculateCpuUsage(stats: ContainerStats): number {
     return 0;
   }
 
-  const cpuDelta = stats.cpu_stats.cpu_usage.total_usage - (stats.precpu_stats?.cpu_usage?.total_usage ?? 0);
-  const systemDelta = (stats.cpu_stats.system_cpu_usage ?? 0) - (stats.precpu_stats?.system_cpu_usage ?? 0);
-
-  if (systemDelta <= 0 || cpuDelta < 0) {
+  const numberOfCpus = stats.cpu_stats.online_cpus;
+  const usage = stats.cpu_stats.system_cpu_usage;
+  if (!usage || usage === 0) {
     return 0;
   }
 
-  return (cpuDelta / systemDelta) * 100;
+  return (stats.cpu_stats.cpu_usage.total_usage / usage) * numberOfCpus * 100;
 }
 
 export function calculateMemoryUsage(stats: ContainerStats): number {

packages/request-handler/src/test/docker.spec.ts

@@ -72,16 +72,16 @@ describe("calculateCpuUsage", () => {
     const stats = createStats({
       cpu_stats: { online_cpus: 4, cpu_usage: { total_usage: 2000 }, system_cpu_usage: 10000 },
     });
-    // (2000 / 10000) * 100 = 20
-    expect(calculateCpuUsage(stats)).toBe(20);
+    // (2000 / 10000) * 4 * 100 = 80
+    expect(calculateCpuUsage(stats)).toBe(80);
   });
 
   test("should handle fractional CPU usage", () => {
     const stats = createStats({
       cpu_stats: { online_cpus: 2, cpu_usage: { total_usage: 500 }, system_cpu_usage: 100000 },
     });
-    // (500 / 100000) * 100 = 0.5
-    expect(calculateCpuUsage(stats)).toBe(0.5);
+    // (500 / 100000) * 2 * 100 = 1
+    expect(calculateCpuUsage(stats)).toBe(1);
   });
 });