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Removing various instances of unnecessary includes, reducing the maze of
header dependencies.
Link: http://lkml.kernel.org/n/tip-hwu6eyuok9pc57alookyzmsf@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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As reported by Milian, currently for DWARF unwind (both libdw and
libunwind) we display callchain in callee order only.
Adding the support to follow callchain order setup to libdw DWARF
unwinder, so we could get following output for report:
$ perf record --call-graph dwarf ls
...
$ perf report --no-children --stdio
21.12% ls libc-2.21.so [.] __strcoll_l
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---__strcoll_l
mpsort_with_tmp
mpsort_with_tmp
mpsort_with_tmp
sort_files
main
__libc_start_main
_start
$ perf report --stdio --no-children -g caller
21.12% ls libc-2.21.so [.] __strcoll_l
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---_start
__libc_start_main
main
sort_files
mpsort_with_tmp
mpsort_with_tmp
mpsort_with_tmp
__strcoll_l
Reported-and-Tested-by: Milian Wolff <milian.wolff@kdab.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Wang Nan <wangnan0@huawei.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jan Kratochvil <jkratoch@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20151119130119.GA26617@krava.brq.redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Adding libdw DWARF post unwind support, which is part of
elfutils-devel/libdw-dev package from version 0.158.
The new code is contained in unwin-libdw.c object, and implements
unwind__get_entries unwind interface function.
New Makefile variable NO_LIBDW_DWARF_UNWIND was added to control its
compilation, and is marked as disabled now. It's factored with the rest
of the Makefile unwind build code in the next patch.
Arch specific code was added for x86.
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1392825179-5228-5-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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