Munin contributed plugins

#

# This file contains a munin-plugin to gather btrfs statistics per device.

#

    print("graph_title btrfs total device stats for " + fs.path)

    print("graph_category disk")

    print("graph_info This graph shows the total stats of devices used by btrfs")

    print("corruption_errs_total.label Corruption Errors")

    print("flush_errs_total.label Flush Errors")

    print("generation_errs_total.label Generation Errors")

    print("write_errs_total.label Write Errors")

    print("nr_items_total.label Nr. of Items")

    print("flags_total.label Nr. of Flags")

    print("")

    devices = fs.devices()

    for this_device in devices:

        this_dev_info = fs.dev_info(this_device.devid)

        print("graph_title btrfs device stats for " + this_dev_name)

        print("graph_category disk")

        print("graph_info This graph shows stats of devices used by btrfs")

        print("corruption_errs.label Corruption Errors")

        print("corruption_errs.warming 1")

        print("flush_errs.label Flush Errors")

        print("nr_items.label Nr. of Items")

        print("flags.label Nr. of Flags")

        print("flags.warming 1")

        print("")

    write_errs_total = 0

    nr_items_total = 0

    flags_total = 0

    fsid = str(fs.fsid).replace('-', '_')

    devices = fs.devices()

    for this_device in devices:

        this_dev_stat = fs.dev_stats(this_device.devid, False)

        corruption_errs = this_dev_stat.corruption_errs

        flush_errs = this_dev_stat.flush_errs

        generation_errs = this_dev_stat.generation_errs

        write_errs = this_dev_stat.write_errs

        nr_items = this_dev_stat.nr_items

        flags = this_dev_stat.flags

        corruption_errs_total = corruption_errs_total + corruption_errs

        flush_errs_total = flush_errs_total + flush_errs

        generation_errs_total = generation_errs_total + generation_errs

        write_errs_total = write_errs_total + write_errs

        nr_items_total = nr_items_total + nr_items

        flags_total = flags_total + flags

        print("multigraph btrfs_device_stats_" + fsid + "." + str(this_device.devid))

        print("corruption_errs.value " + str(corruption_errs))

        print("flush_errs.value " + str(flush_errs))

        print("generation_errs.value " + str(generation_errs))

        print("write_errs.value " + str(write_errs))

        print("nr_items.value " + str(nr_items))

        print("flags.value " + str(flags))

        print("")

    print("multigraph btrfs_device_stats_" + fsid)

    print("corruption_errs_total.value " + str(corruption_errs_total))

    print("flush_errs_total.value " + str(flush_errs_total))

    print("generation_errs_total.value " + str(generation_errs_total))

    print("write_errs_total.value " + str(write_errs_total))

    print("nr_items_total.value " + str(nr_items_total))

    print("flags_total.value " + str(flags_total))

    print("")