From c63f340d90800895f007de64b7d2d14624263331 Mon Sep 17 00:00:00 2001 From: nthnluu Date: Sun, 28 Jan 2024 21:20:27 -0500 Subject: Created student weenix repository --- kernel/mm/page.py | 47 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 kernel/mm/page.py (limited to 'kernel/mm/page.py') diff --git a/kernel/mm/page.py b/kernel/mm/page.py new file mode 100644 index 0000000..9dfedf0 --- /dev/null +++ b/kernel/mm/page.py @@ -0,0 +1,47 @@ +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() -- cgit v1.2.3-70-g09d2