On 15 November 2013 22:12, Will Deacon <will.dea...@arm.com> wrote: > On Thu, Nov 14, 2013 at 11:04:04AM +0000, Sandeepa Prabhu wrote: >> Hi Jean, >> >> I have applied this patchset on aarch64 upstream branch,cross-compiled >> for arm64 and try running some tests for hardware breakpoints. >> >> I cross-compiled perf using linaro toolchain >> "gcc-linaro-aarch64-linux-gnu-4.7-2013.04-20130415_linux" as >> $ cd tools/perf/ >> $ make LDFLAGS=-static ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- >> >> Copied the static binary to my initrd image and tried running tests to >> place hw_breakpoint on an kernel symbol as: >> >> # perf record -e "mem:0xffffffc00013f640:x" > > Right, but that's not a valid invocation of perf. You have to give it > something to record. Something like: > > # perf record -e mem:0xffffffc00013f640:x -a -- sleep 10 Hi Will,
Thanks for correcting me, now I see perf record working :) ~Sandeepa > > for example. > > Will -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
