On Tue, Jun 18, 2013 at 02:13:19PM +0100, Will Deacon wrote: > On Fri, Jun 14, 2013 at 12:21:11AM +0100, Jed Davis wrote: > > With this change, we no longer lose the innermost entry in the user-mode > > part of the call chain. See also the x86 port, which includes the ip. > > > > It's possible to partially work around this problem by post-processing > > the data to use the PERF_SAMPLE_IP value, but this works only if the CPU > > wasn't in the kernel when the sample was taken. > > Thanks. I guess we need something similar for arm64 too. Could you cook a > similar patch please?
Done (and tested, on the ARM V8 Foundation Model). It looked as if the powerpc and sparc ports might have similar issues, but I haven't checked on them yet. --Jed -- 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/
