First release

src/ProcessStats.psd1

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+New-ModuleManifest `
+  -Path ProcessStats.psd1 `
+  -RootModule ProcessStats.psm1 `
+  -ModuleVersion 1.0.0 `
+  -Author "Iminetsoft" `
+  -Description "Analyze memory and CPU usage of duplicate processes" `
+  -PowerShellVersion 5.1

src/ProcessStats.psm1

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+<#
+.SYNOPSIS
+PowerShell module to analyze duplicated processes' memory and CPU usage.
+#>
+
+# -----------------------
+# Cmdlet 1: Memory Usage
+# -----------------------
+function Get-ProcessMemory {
+    [CmdletBinding()]
+    param(
+        [int]$MinCount = 2
+    )
+
+    Get-Process |
+        Group-Object Name |
+        Where-Object Count -ge $MinCount |
+        ForEach-Object {
+            [PSCustomObject]@{
+                Name  = $_.Name
+                Count = $_.Count
+                'Memory Sum in MB' = [math]::Round(
+                    (($_.Group | Measure-Object WorkingSet -Sum).Sum / 1MB), 3
+                )
+            }
+        } |
+        Sort-Object 'Memory Sum in MB' -Descending
+}
+
+# -----------------------
+# Cmdlet 2: CPU Usage
+# -----------------------
+function Get-ProcessCPU {
+    [CmdletBinding()]
+    param(
+        [int]$MinCount = 2
+    )
+
+    Get-Process |
+        Group-Object Name |
+        Where-Object Count -ge $MinCount |
+        ForEach-Object {
+            [PSCustomObject]@{
+                Name  = $_.Name
+                Count = $_.Count
+                'CPU Total (%)' = [math]::Round(
+                    ($_.Group | Measure-Object CPU -Sum).Sum, 2
+                )
+            }
+        } |
+        Sort-Object 'CPU Total (%)' -Descending
+}
+
+# Export both cmdlets
+Export-ModuleMember -Function Get-ProcessMemory, Get-ProcessCPU