Fwd: how to determine kernel interrupt latency

hi all: is it possible to determine interrupt latency in kernel with any ftrace or proc? Appreciate your help in advance. -- 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/

Re: some question about aarch32 for ARM64

hi catalin: 2015-02-23 21:27 GMT+08:00 Catalin Marinas : > On Mon, Feb 23, 2015 at 12:28:57PM +0000, loody wrote: >> I follow below instructions to compile a simple c file as aarch32 but in >> vain. >> >> https://gcc.gnu.org/onlinedocs/gcc-4.9.1/gcc/AArch64-Options.

some question about aarch32 for ARM64

hi all: I follow below instructions to compile a simple c file as aarch32 but in vain. https://gcc.gnu.org/onlinedocs/gcc-4.9.1/gcc/AArch64-Options.html#AArch64-Options And I download the toolchain from http://www.linaro.org/downloads/ (linaro-toolchain-binaries 4.9 (Aarch64 little-endian)) I sa