mirror of
https://github.com/discourse/discourse.git
synced 2024-11-24 06:51:04 +08:00
22 lines
493 B
Ruby
22 lines
493 B
Ruby
class MemInfo
|
|
|
|
# Total memory in kb. On Mac OS uses "sysctl", elsewhere expects the system has /proc/meminfo.
|
|
# Returns nil if it cannot be determined.
|
|
def mem_total
|
|
@mem_total ||=
|
|
begin
|
|
system = `uname`.strip
|
|
if system == "Darwin"
|
|
s = `sysctl -n hw.memsize`.strip
|
|
s.to_i / 1.kilobyte
|
|
else
|
|
s = `grep MemTotal /proc/meminfo`
|
|
/(\d+)/.match(s)[0].try(:to_i)
|
|
end
|
|
rescue
|
|
nil
|
|
end
|
|
end
|
|
|
|
end
|