82b2e507edcfc33585eb51995e7feaf49dda78a3
   1#
   2#   mem.py
   3#
   4#   Get instantaneous memory statistics (installed, total, free, available)
   5#
   6
   7import re
   8
   9from logparse.formatting import *
  10from logparse import config
  11
  12import logging
  13logger = logging.getLogger(__name__)
  14
  15def parse_log():
  16
  17    logger.debug("Starting memory section")
  18    section = Section("memory")
  19    
  20    table = Table()
  21
  22    ram_b = os.sysconf('SC_PAGE_SIZE') * os.sysconf('SC_PHYS_PAGES')
  23    table.add_row(Row([Column("Installed"), Column(parsesize(ram_b))]))
  24
  25    raw_mem = util.readlog(config.prefs.get("logs", "meminfo"))
  26    line_regex = re.compile("^Mem(\w+):\s*(\d*)\s*kB$")
  27
  28    for line in raw_mem.splitlines():
  29
  30        matches = line_regex.findall(line)
  31
  32        if len(matches) > 0:
  33            logger.debug("Detected {0} memory of {1} kB".format(matches[0][0].lower(), matches[0][1]))
  34            table.add_row(Row([Column(matches[0][0]), Column(parsesize(float(matches[0][1])*1000))]))
  35
  36    table.align_column(0, "right")
  37    section.append_table(table)
  38
  39    logger.info("Finished memory section")
  40    return section