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-rwxr-xr-xscripts/generate-memory-metrics-on-boot11
1 files changed, 11 insertions, 0 deletions
diff --git a/scripts/generate-memory-metrics-on-boot b/scripts/generate-memory-metrics-on-boot
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index 00000000000..5197a8fcdcd
--- /dev/null
+++ b/scripts/generate-memory-metrics-on-boot
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+#!/usr/bin/env ruby
+
+abort "usage: #{__FILE__} <memory_bundle_mem_file_name>" unless ARGV.length == 1
+memory_bundle_mem_file_name = ARGV.first
+
+full_report = File.open(memory_bundle_mem_file_name).read
+
+stats = /TOP: (?<total_mibs_str>.*) MiB/.match(full_report)
+abort 'failed to process the benchmark output' unless stats
+
+puts "total_memory_used_by_dependencies_on_boot_prod_env_mb #{stats[:total_mibs_str].to_f.round(1)}"