Create instant_per_process_cpu_mem_usage.sh

instant_per_process_cpu_mem_usage.sh

@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+
+# Get CPU & Mem metrics, lightweight implementation
+# Written (quickly) in 2023 by NetInvent
+# SCRIPT_VERSION 2023110201
+
+
+# -w [n] forces total column width to [n] so data won't be truncated
+# -c forces full commandline, which we need in order to get command arguments
+# -bn 1 makes top run once in batch mode
+
+top -w 120 -cbn 1 | awk '{
+        # Skip headers
+        if (NR<8) { next };
+        # Get all command arguments
+        args=""; for(i = 13; i<= NF; i++) if ($i!="") {args=args" "$i};
+        # Sanitize arguments
+        gsub("{|}|\\\\|\"", "", args);
+        # Sanitize debian style floats in top
+        gsub(",", ".", $9);
+        gsub(",", ".", $10);
+        # Dont keep more than 30 chars for args, since we limited top -w size, we wont need this
+        #args=substr(args, 1, 30);
+        # Remove self process
+        if ($12=="top" && args=" -w 120 -cbn 1") { next };
+        # Do not keep not cpu hungry entries
+        if ($9!="0.0") {
+                if (cputype==0) { printf "# TYPE top_process_cpu_usage gauge\n# HELP top_process_cpu_usage ps gathered instant CPU usage per process\n"; cputype=1 };
+                printf "top_process_cpu_usage{pid=\""$1"\",process=\""$12"\",sanitized_args=\""args"\"} " $9z"\n"};
+        # Do not keep not memory hungry entries
+        if ($10!="0.0") {
+                if (memtype==0) { printf "# TYPE top_process_memory_usage gauge\n# HELP top_process_memory_usage ps gathered memory usage per process\n"; memtype=1 };
+                printf "top_process_memory_usage{pid=\""$1"\",process=\""$12"\",sanitized_args=\""args"\"} " $10z"\n"};
+}'