Log capture statistics (for now).

Author: samuel-williams-shopify

lib/memory/profiler/sampler.rb

@@ -4,6 +4,7 @@
 # Copyright, 2025, by Samuel Williams.
 
 require "console"
+require "objspace"
 
 require_relative "capture"
 require_relative "call_tree"
@@ -151,6 +152,9 @@ def run(interval: 60, &block)
 
 					sample!(&block)
 
+					# Log capture statistics to detect issues like missing FREEOBJ events:
+					Console.info(self, "Capture statistics:", statistics: @capture.statistics, object_space: ::ObjectSpace.count_objects)
+					
 					# Sleep for the remainder of the interval:
 					now = Process.clock_gettime(Process::CLOCK_MONOTONIC)
 					delta = interval - (now - start_time)

releases.md

@@ -3,6 +3,7 @@
 ## Unreleased
 
   - Fix sampler loop interval handling.
+  - Log capture statistics from sampler run loop.
 
 ## v1.1.12