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    Subject[tip:perf/core] perf tools: Add helper functions for some sort keys
    Commit-ID:  a9c6e46c04ba38925e94c4c2fa9217460338db43
    Gitweb: http://git.kernel.org/tip/a9c6e46c04ba38925e94c4c2fa9217460338db43
    Author: Namhyung Kim <namhyung@kernel.org>
    AuthorDate: Thu, 25 Feb 2016 00:13:33 +0900
    Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
    CommitDate: Wed, 24 Feb 2016 13:05:04 -0300

    perf tools: Add helper functions for some sort keys

    The 'trace', 'srcline' and 'srcfile' sort keys updates hist entry's
    field later. With the hierarchy mode, those fields are passed to a
    matching entry so it needs to identify the sort keys.

    Signed-off-by: Namhyung Kim <namhyung@kernel.org>
    Cc: Andi Kleen <andi@firstfloor.org>
    Cc: David Ahern <dsahern@gmail.com>
    Cc: Jiri Olsa <jolsa@kernel.org>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Stephane Eranian <eranian@google.com>
    Cc: Wang Nan <wangnan0@huawei.com>
    Link: http://lkml.kernel.org/r/1456326830-30456-2-git-send-email-namhyung@kernel.org
    Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
    ---
    tools/perf/util/hist.h | 3 +++
    tools/perf/util/sort.c | 33 +++++++++++++++++++++++++++++++++
    2 files changed, 36 insertions(+)

    diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
    index 97baa1d..044419b3 100644
    --- a/tools/perf/util/hist.h
    +++ b/tools/perf/util/hist.h
    @@ -301,6 +301,9 @@ void perf_hpp__append_sort_keys(struct perf_hpp_list *list);
    bool perf_hpp__is_sort_entry(struct perf_hpp_fmt *format);
    bool perf_hpp__is_dynamic_entry(struct perf_hpp_fmt *format);
    bool perf_hpp__defined_dynamic_entry(struct perf_hpp_fmt *fmt, struct hists *hists);
    +bool perf_hpp__is_trace_entry(struct perf_hpp_fmt *fmt);
    +bool perf_hpp__is_srcline_entry(struct perf_hpp_fmt *fmt);
    +bool perf_hpp__is_srcfile_entry(struct perf_hpp_fmt *fmt);

    static inline bool perf_hpp__should_skip(struct perf_hpp_fmt *format,
    struct hists *hists)
    diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
    index 4175b29..358035c 100644
    --- a/tools/perf/util/sort.c
    +++ b/tools/perf/util/sort.c
    @@ -1391,6 +1391,39 @@ bool perf_hpp__is_sort_entry(struct perf_hpp_fmt *format)
    return format->header == __sort__hpp_header;
    }

    +bool perf_hpp__is_trace_entry(struct perf_hpp_fmt *fmt)
    +{
    + struct hpp_sort_entry *hse;
    +
    + if (!perf_hpp__is_sort_entry(fmt))
    + return false;
    +
    + hse = container_of(fmt, struct hpp_sort_entry, hpp);
    + return hse->se == &sort_trace;
    +}
    +
    +bool perf_hpp__is_srcline_entry(struct perf_hpp_fmt *fmt)
    +{
    + struct hpp_sort_entry *hse;
    +
    + if (!perf_hpp__is_sort_entry(fmt))
    + return false;
    +
    + hse = container_of(fmt, struct hpp_sort_entry, hpp);
    + return hse->se == &sort_srcline;
    +}
    +
    +bool perf_hpp__is_srcfile_entry(struct perf_hpp_fmt *fmt)
    +{
    + struct hpp_sort_entry *hse;
    +
    + if (!perf_hpp__is_sort_entry(fmt))
    + return false;
    +
    + hse = container_of(fmt, struct hpp_sort_entry, hpp);
    + return hse->se == &sort_srcfile;
    +}
    +
    static bool __sort__hpp_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
    {
    struct hpp_sort_entry *hse_a;
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