56 lines
1.7 KiB
Text
56 lines
1.7 KiB
Text
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#!/usr/bin/python3
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import logging
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from subprocess import Popen, PIPE
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import time
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# grab the top five memory consuming processes, returning them in a string of
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# of the format:
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#
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# name1:kB1,name2:kB2,...,name5:kB5
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def topProcesses():
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output = Popen(["ps", "-eo", "comm,rss", "--sort", "-rss", "--no-headers"], stdout=PIPE, universal_newlines=True).communicate()[0]
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top5 = output.split("\n")[:5]
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return ",".join("%s:%s" % (proc[0], proc[1]) for proc in (s.split() for s in top5))
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def logit():
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buffers = 0
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cached = 0
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memTotal = 0
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memFree = 0
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swapTotal = 0
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swapFree = 0
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with open("/proc/meminfo") as f:
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for line in f.readlines():
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if line.startswith("Buffers:"):
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buffers = line.split()[1]
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elif line.startswith("Cached:"):
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cached = line.split()[1]
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elif line.startswith("MemTotal:"):
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memTotal = line.split()[1]
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elif line.startswith("MemFree:"):
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memFree = line.split()[1]
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elif line.startswith("SwapTotal:"):
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swapTotal = line.split()[1]
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elif line.startswith("SwapFree:"):
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swapFree = line.split()[1]
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d = {"memUsed": int(memTotal)-int(memFree)-int(cached)-int(buffers),
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"swapUsed": int(swapTotal)-int(swapFree),
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"procs": topProcesses()}
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mem_logger.debug("%(memUsed)d %(swapUsed)d %(procs)s", d)
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mem_logger = logging.getLogger("memLog")
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mem_logger.setLevel(logging.DEBUG)
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handler = logging.FileHandler("/tmp/memory.dat")
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handler.setLevel(logging.DEBUG)
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handler.setFormatter(logging.Formatter("%(asctime)s %(message)s", "%H:%M:%S"))
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mem_logger.addHandler(handler)
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while True:
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logit()
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time.sleep(1)
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