Does that work (pipe read side is supposed to be fd[0] and write side fd[1])?
On Tue, Jan 26, 2016 at 5:20 PM, ron minnich <[email protected]> wrote: > Oh, just for fun, I included a simple strace program in tests. > > > https://github.com/rminnich/akaros/commit/d2d2b0c09b44d2d2df8966a12d257bd857430bae > > On Tue, Jan 26, 2016 at 4:12 PM ron minnich <[email protected]> wrote: > >> It's now dumping data correctly, PTAL >> >> https://github.com/rminnich/akaros/commit/97832e05ba2524579d1bbef4ef71299208030dc2 >> >> On Tue, Jan 26, 2016 at 9:48 AM ron minnich <[email protected]> wrote: >> >>> updated to dump data from read and write system calls, just to show how >>> it's done. >>> >>> If this looks ok it's not a big deal to add symbolic dumps of stuff like >>> open modes, etc. >>> >>> in the limit we can drive the trace overhead per target system call to >>> below one. The plan 9 work I did got it down to about 4, lower than the >>> strace ratio of about 25. >>> >>> It also means, now that we can export file systems from akaros, that on >>> a linux system, stracing an akaros process works like this: >>> import akaros /proc akproc >>> cat akproc/pid/strace >>> >>> All done. Distributed systems are nice. Unix, come to think of it, is a >>> nice model. >>> >>> The following changes since commit >>> 915eac00a7e0f578f9e921af2b205b6efa3739b5: >>> >>> Slices: A growable list of pointers. (2016-01-25 11:02:20 -0500) >>> >>> are available in the git repository at: >>> >>> [email protected]:rminnich/akaros strace >>> >>> for you to fetch changes up to 070b569c2962e98c2a645837fb5a332c31ac2f32: >>> >>> New and easy strace framework. (2016-01-25 17:39:24 -0800) >>> >>> ---------------------------------------------------------------- >>> Ronald G. Minnich (1): >>> New and easy strace framework. >>> >>> kern/drivers/dev/proc.c | 25 +++++++++++ >>> kern/include/env.h | 5 +++ >>> kern/src/process.c | 5 +++ >>> kern/src/syscall.c | 112 >>> ++++++++++++++++++++++++++++++++++++++++-------- >>> 4 files changed, 128 insertions(+), 19 deletions(-) >>> >>> https://github.com/rminnich/akaros/compare/rminnich:master...strace >>> >> -- > You received this message because you are subscribed to the Google Groups > "Akaros" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Akaros" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. For more options, visit https://groups.google.com/d/optout.
