On Tue, Sep 23, 2014 at 12:33:45AM +0300, Aaro Koskinen wrote: > Hi, > > On Wed, Jun 25, 2014 at 08:49:03AM -0700, Sukadev Bhattiprolu wrote: > > powerpc/perf: Adjust callchain based on DWARF debug info > > > > When saving the callchain on Power, the kernel conservatively saves excess > > entries in the callchain. A few of these entries are needed in some cases > > but not others. We should use the DWARF debug information to determine > > when the entries are needed. > > This patch breaks perf compilation if DWARF support is not present. > DWARF support is auto-detected early in the build, so IMHO either user > should be informed to install the needed stuff, or the build should > succeed with limited functionality. > > arch/powerpc/util/skip-callchain-idx.c:13:19: fatal error: dwarf.h: No such > file or directory #include <dwarf.h> > ^ > compilation terminated.
looks like powerpc issue.. hows 'make -f tests/make' doing on powerpc? It tests above scenario. jirka _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
