Ingo Molnar wrote: > * Masami Hiramatsu <mhiramat@xxxxxxxxxx> wrote: > >> Hi, >> >> Here are the patches of kprobe-based event tracer for x86, version >> 5, which allows you to probe various kernel events through ftrace >> interface. >> >> This version supports only x86(-32/-64) (but porting it on other >> arch just needs kprobes/kretprobes and register and stack access >> APIs). >> >> This patchset also includes x86(-64) instruction decoder which >> supports non-SSE/FP opcodes and includes x86 opcode map. I think >> it will be possible to share this opcode map with KVM's decoder. >> >> This series can be applied on the latest linux-2.6-tip tree. >> >> This patchset includes following changes: >> - Add x86 instruction decoder [1/7] >> - Check insertion point safety in kprobe [2/7] >> - Cleanup fix_riprel() with insn decoder [3/7] >> - Add kprobe-tracer plugin [4/7] >> - Fix kernel_trap_sp() on x86 according to systemtap runtime. [5/7] >> - Add arch-dep register and stack fetching functions [6/7] >> - Support fetching various status (register/stack/memory/etc.) [7/7] >> >> Future items: >> - .init function tracing support. >> - Support primitive types(long, ulong, int, uint, etc) for args. > > Ok, this looks pretty complete already. > > Two high-level comments: > > - There's no self-test - would it be possible to add one? See > trace_selftest* in kernel/trace/ > > - No generic integration. Hmm, Ingo, could you tell me what I can do for the integration? Would you means that I should use filters? Thank you, -- Masami Hiramatsu Software Engineer Hitachi Computer Products (America) Inc. Software Solutions Division e-mail: mhiramat@xxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
