Date: Tue, 12 Nov 2013 22:17:38 +0800 From: Howard Su <howard0su@gmail.com> To: freebsd-arm@freebsd.org Cc: Oleksandr Tymoshenko <gonzo@freebsd.org> Subject: DTrace/ARM Status Update Message-ID: <CAAvnz_p6kec=o-xiqJnj3xhP1cPpiMUBfJA8ZKCDZWAGg-hSHw@mail.gmail.com>
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Recently, I bring Gonzo@ original patch to latest head. This is a status update so far I am: 1. The patch with some minor updates get successfully build. So far I only work on ARMV6 ARCH support since it is more straightforward due to endian. 2. I get it running in my BEAGLEBONE BLACK board. I think it should work also for RPi. (but I don't have it to test). the performance provider, sdt provider and syscall providers all work well. (All credit goes to Gonzo@.) 3. I am working on FBT support. I can list detect fbt functions. I am working on handling illegal instruction exception and simulate the patched instruction. # dtrace -l | grep fbt | wc 18161 90805 1371228 4. next step will be fasttrap support for userland trace. 5. The only issue which blocks to have widely testing is crash which I reported in this list. Fell free to email me if you wan to play with it or help. Thanks, Howard Su -- -Howard
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