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import gdb
import weenix
import weenix.kmem
class PageCommand(weenix.Command):
def __init__(self):
weenix.Command.__init__(self, "page", gdb.COMMAND_DATA, gdb.COMPLETE_NONE)
def invoke(self, args, tty):
total = 0
print("pagesize: {0}".format(weenix.kmem.pagesize()))
names = list()
blobs = list()
pages = list()
bytes = list()
for order, count in weenix.kmem.freepages().items():
pcount = count * (1 << order)
bcount = pcount * weenix.kmem.pagesize()
names.append("freepages[{0}]:".format(order))
blobs.append("{0} blob{1}".format(count, " " if (count == 1) else "s"))
pages.append("{0} page{1}".format(pcount, " " if (pcount == 1) else "s"))
bytes.append("{0} byte{1}".format(bcount, " " if (bcount == 1) else "s"))
total += count * (1 << order)
names.append("total:")
blobs.append("")
pages.append("{0} page{1}".format(total, " " if (total == 1) else "s"))
bytes.append("{0} bytes".format(total * weenix.kmem.pagesize()))
namewidth = max(list(map(lambda x: len(x), names)))
blobwidth = max(list(map(lambda x: len(x), blobs)))
pagewidth = max(list(map(lambda x: len(x), pages)))
bytewidth = max(list(map(lambda x: len(x), bytes)))
for name, blob, page, byte in zip(names, blobs, pages, bytes):
print(
"{1:<{0}} {3:>{2}} {5:>{4}} {7:>{6}}".format(
namewidth, name, blobwidth, blob, pagewidth, page, bytewidth, byte
)
)
PageCommand()
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