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mirror of https://github.com/NixOS/mobile-nixos.git synced 2024-12-17 04:51:31 +03:00
mobile-nixos/boot/init/lib/logger.rb
2020-10-27 15:23:40 -04:00

38 lines
1.3 KiB
Ruby

class TimeOffsetLogger < Logger::Formatter
# Time at which the program was started.
# Ideally we'd prefer kernel uptime, but it seems we're slightly off with it
# when running the app and getting it through clock_gettime
#
# D, [2020-10-22T02:47:21.591014//1.0889 #1] DEBUG -- : Tasks::Proc created...
# [ 1.179064] random: fast init done
# D, [2020-10-22T02:47:21.591048//1.0889 #1] DEBUG -- : Tasks::Splash created...
#
# So rather than having *weird* time comparatively to the kernel, we're
# doing our own time-keeping.
OFFSET = Time.now
private
# Formats using the parent's format, with the offset since boot.
def format_datetime(t)
"#{super(t)}//#{"%.4f" % (t-OFFSET)}"
end
end
LOG_LEVEL =
if Configuration["log"]
level = Configuration["log"]["level"]
if level
LOG_LEVEL = Logger.const_get(level.to_sym)
end
else
Logger::INFO
end
$logger = Logger.new(STDOUT, level: LOG_LEVEL, formatter: TimeOffsetLogger.new)
$logger.debug("Logger initialized... (#{LOG_LEVEL})")
def log(*args, level: :info)
$logger.send(level, *args)
end