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    Subject[RFC PATCH 6/9] perf: Build with dwarf cfi
    Date
    Build perf with the dwarf call frame informations so that we can
    unwind callchains in perf itself.

    Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
    Cc: Ingo Molnar <mingo@elte.hu>
    Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
    Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
    Cc: Paul Mackerras <paulus@samba.org>
    Cc: Stephane Eranian <eranian@google.com>
    Cc: Cyrill Gorcunov <gorcunov@openvz.org>
    Cc: Tom Zanussi <tzanussi@gmail.com>
    Cc: Masami Hiramatsu <mhiramat@redhat.com>
    Cc: Steven Rostedt <rostedt@goodmis.org>
    Cc: Stephane Eranian <eranian@google.com>
    Cc: Robert Richter <robert.richter@amd.com>
    ---
    tools/perf/Makefile | 2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)

    diff --git a/tools/perf/Makefile b/tools/perf/Makefile
    index d1db0f6..28de60b 100644
    --- a/tools/perf/Makefile
    +++ b/tools/perf/Makefile
    @@ -224,7 +224,7 @@ ifndef PERF_DEBUG
    CFLAGS_OPTIMIZE = -O6
    endif

    -CFLAGS = -ggdb3 -Wall -Wextra -std=gnu99 -Werror $(CFLAGS_OPTIMIZE) -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
    +CFLAGS = -ggdb3 -funwind-tables -Wall -Wextra -std=gnu99 -Werror $(CFLAGS_OPTIMIZE) -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
    EXTLIBS = -lpthread -lrt -lelf -lm
    ALL_CFLAGS = $(CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
    ALL_LDFLAGS = $(LDFLAGS)
    --
    1.6.2.3


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