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    Subject[PATCH 03/12] perf hists: Add struct hists pointer to struct hist_entry
    Date
    Adding pointer back to the parent hists struct for struct hists_entry.

    This will be useful in future for any hist_entry's data computation,
    that depends on total data of its parent hists.

    Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
    Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
    Cc: Ingo Molnar <mingo@elte.hu>
    Cc: Paul Mackerras <paulus@samba.org>
    Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
    Cc: Frederic Weisbecker <fweisbec@gmail.com>
    Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
    Cc: Andi Kleen <andi@firstfloor.org>
    Cc: David Ahern <dsahern@gmail.com>
    Cc: Namhyung Kim <namhyung@kernel.org>
    Signed-off-by: Jiri Olsa <jolsa@redhat.com>
    ---
    tools/perf/util/hist.c | 2 ++
    tools/perf/util/sort.h | 1 +
    2 files changed, 3 insertions(+)

    diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
    index b1817f1..0ed0683 100644
    --- a/tools/perf/util/hist.c
    +++ b/tools/perf/util/hist.c
    @@ -325,6 +325,7 @@ struct hist_entry *__hists__add_branch_entry(struct hists *self,
    .parent = sym_parent,
    .filtered = symbol__parent_filter(sym_parent),
    .branch_info = bi,
    + .hists = self,
    };

    return add_hist_entry(self, &entry, al, period);
    @@ -346,6 +347,7 @@ struct hist_entry *__hists__add_entry(struct hists *self,
    .period = period,
    .parent = sym_parent,
    .filtered = symbol__parent_filter(sym_parent),
    + .hists = self,
    };

    return add_hist_entry(self, &entry, al, period);
    diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
    index e459c98..b0b4752 100644
    --- a/tools/perf/util/sort.h
    +++ b/tools/perf/util/sort.h
    @@ -78,6 +78,7 @@ struct hist_entry {
    struct rb_root sorted_chain;
    };
    struct branch_info *branch_info;
    + struct hists *hists;
    struct callchain_root callchain[0];
    };

    --
    1.7.11.4


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