X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=TODO;h=7c9c42b841e0c2f820c789c315eb17f8491d751a;hb=bacf7817544d49aab659f8cb5a56213db23943f0;hp=3ccce4bb9daeb7a03dfcbbbac464261910378dc6;hpb=7a0ef5ab80a45c8cdd23acd0662ecc2a18f2ebdd;p=pintos-anon diff --git a/TODO b/TODO index 3ccce4b..7c9c42b 100644 --- a/TODO +++ b/TODO @@ -1,6 +1,31 @@ -*- text -*- -* The tests in tests/ don't apply the grading patches. +* Test pintos with GSX. + +* Get rid of warnings for NDEBUG build. + +* Need targets for checking single tests or single subdirs + + - `make check' should say how to get more information + + - `make recheck', `make clean-check' + +* Need to put time limits on tests. + +* Add a way for students to prints messages ignored by the autograder. + + - Ignore text between /* and */. + + - Allow for a comment on `exit' lines? + +* Improve automatic interpretation of exception messages. + +* Remove names from synchronization primitives? They don't seem + useful in practice. + +* debug_backtrace() in kernel should only dereference valid pointers. + +* Mention how to use add-symbol-file in gdb. * We need better and more example programs. @@ -9,13 +34,8 @@ - How about `diff' and `cmp' programs? -* Make it clear that the students own their code, because there was some - confusion on that point. - * Threads: - - join-invalid doesn't compile if tid_t is not scalar type. - - mlfqs tests suck. They aren't even correct, e.g. the amarv submission from win0405 is graded incorrectly. @@ -27,12 +47,6 @@ project 3 and in real OSes. Also revise the grading criteria to match. - - Move `join' implementation here, from `threads' project, to help - normalize the project difficulties. - - - The semantics of the join system call should change so that it - only returns the exit code once. - - Mark read-only pages as actually read-only in the page table. Or, since this was consistently rated as the easiest project by the students, require them to do it. @@ -61,12 +75,8 @@ Alternatively, shrink the inode size. - - Add mkdir and ls example user programs. - - Add option to disable buffer cache. - - Get rid of "dump" commands--they're not really useful. - - Sample solution. - Need a better way to measure performance improvement of buffer @@ -86,6 +96,8 @@ - Add explanations of what "real" OSes do to give students some perspective. + - GNU make 3.80 or later is required. + * Assignments: - Add extra credit: @@ -100,9 +112,6 @@ . everything needed for getcwd() - - Add src/testcases/vm, src/testcases/filesys and make it clear to use - them? - * Tests: - Release some of them. @@ -117,12 +126,7 @@ * Code: - - Rewrite quick_sort() to use heap sort, for O(1) stack usage. - - - Make printf() test actually check its results. - - - Make threads test use a program and arguments like the other - projects. + - Need an optimization barrier and an explanation of it in the + documentation. - - Revise command-line arguments for sensibility instead of for - Nachos compatibility. + - Need to check the wait system call more thoroughly.