Warning
This document is for an old release of Galaxy. You can alternatively view this page in the latest release if it exists or view the top of the latest release's documentation.
Source code for galaxy.job_metrics.instrumenters.meminfo
"""The module describes the ``meminfo`` job metrics plugin."""
import re
from galaxy import util
from . import InstrumentPlugin
from .. import formatting
MEMINFO_LINE = re.compile(r"(\w+)\s*\:\s*(\d+) kB")
# Important (non-verbose) meminfo property titles.
MEMINFO_TITLES = {
"memtotal": "Total System Memory",
"swaptotal": "Total System Swap"
}
class MemInfoFormatter(formatting.JobMetricFormatter):
def format(self, key, value):
title = MEMINFO_TITLES.get(key, key)
return title, util.nice_size(value * 1000) # kB = *1000, KB = *1024 - wikipedia
[docs]class MemInfoPlugin(InstrumentPlugin):
""" Gather information about processor configuration from /proc/cpuinfo.
Linux only.
"""
plugin_type = "meminfo"
formatter = MemInfoFormatter()
[docs] def pre_execute_instrument(self, job_directory):
return "cat /proc/meminfo > '%s'" % self.__instrument_meminfo_path(job_directory)
[docs] def job_properties(self, job_id, job_directory):
properties = {}
with open(self.__instrument_meminfo_path(job_directory)) as f:
for line in f:
line = line.strip()
if not line: # Skip empty lines
continue
line_match = MEMINFO_LINE.match(line)
if not line_match:
continue
key = line_match.group(1).lower()
# By default just grab important meminfo properties with titles
# defined for formatter. Grab everything in verbose mode for
# an arbitrary snapshot of memory at beginning of run.
if key in MEMINFO_TITLES or self.verbose:
value = int(line_match.group(2))
properties[key] = value
return properties
def __instrument_meminfo_path(self, job_directory):
return self._instrument_file_path(job_directory, "meminfo")
__all__ = ('MemInfoPlugin', )