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test(check.rb): improve total_physical_memory #800

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test(check.rb): improve total_physical_memory #800

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25 changes: 16 additions & 9 deletions check/check.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -77,16 +77,20 @@ def read_env_positive_int(key, default_value)
# Get the total size of the physical memory available on the host machine.
def total_physical_memory
platform = RbConfig::CONFIG["host_os"].downcase
if platform.include?("linux")
mem_info = `free -b | grep Mem`
mem_info.split[1].to_i
elsif platform.include?("darwin")
mem_info = `sysctl -n hw.memsize`
mem_info.to_i
elsif platform.include?("mingw") || platform.include?("mswin")
mem_info = `wmic ComputerSystem get TotalPhysicalMemory`
mem_info.split[1].to_i

case
when platform.include?("linux")
File.foreach("/proc/meminfo") do |line|
m = line.match(/\bMemTotal\b\D+(\d+)/)
return m[1].to_i * 1024 if m
end
when platform.include?("darwin")
return `sysctl -n hw.memsize`.to_i
when platform.include?("mingw") || platform.include?("mswin")
return `powershell -NoProfile -Command "(Get-CimInstance Win32_ComputerSystem).TotalPhysicalMemory"`.to_i
end

nil
end

# The default prefix for the root temporary directory. See TempDir.root.
Expand Down Expand Up @@ -359,6 +363,9 @@ def total_memory
else
@@cached_total_memory = result
end
if result.nil? || result <= 0
warn("failed to determine total physical memory")
end
end
@@cached_total_memory
end
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