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    Subject[PATCH 40/57] perf c2c report: Setup number of header lines for hists
    Date
    Allow to setup number of header lines for c2c hists objects.

    Link: http://lkml.kernel.org/n/tip-4ilsf0ulubrd4y96g7tnpwzk@git.kernel.org
    Signed-off-by: Jiri Olsa <jolsa@kernel.org>
    ---
    tools/perf/builtin-c2c.c | 18 ++++++++++++------
    1 file changed, 12 insertions(+), 6 deletions(-)

    diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
    index 8fb798c8a790..e281930e57da 100644
    --- a/tools/perf/builtin-c2c.c
    +++ b/tools/perf/builtin-c2c.c
    @@ -100,11 +100,13 @@ static struct hist_entry_ops c2c_entry_ops = {
    };

    static int c2c_hists__init(struct c2c_hists *hists,
    - const char *sort);
    + const char *sort,
    + int nr_header_lines);

    static struct c2c_hists*
    he__get_c2c_hists(struct hist_entry *he,
    - const char *sort)
    + const char *sort,
    + int nr_header_lines)
    {
    struct c2c_hist_entry *c2c_he;
    struct c2c_hists *hists;
    @@ -118,7 +120,7 @@ he__get_c2c_hists(struct hist_entry *he,
    if (!hists)
    return NULL;

    - ret = c2c_hists__init(hists, sort);
    + ret = c2c_hists__init(hists, sort, nr_header_lines);
    if (ret)
    free(hists);

    @@ -212,7 +214,7 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused,
    if (!mi_dup)
    goto free_mi;

    - c2c_hists = he__get_c2c_hists(he, "offset");
    + c2c_hists = he__get_c2c_hists(he, "offset", 2);
    if (!c2c_hists)
    goto free_mi_dup;

    @@ -1588,7 +1590,8 @@ static int hpp_list__parse(struct perf_hpp_list *hpp_list,
    }

    static int c2c_hists__init(struct c2c_hists *hists,
    - const char *sort)
    + const char *sort,
    + int nr_header_lines)
    {
    __hists__init(&hists->hists, &hists->list);

    @@ -1599,6 +1602,9 @@ static int c2c_hists__init(struct c2c_hists *hists,
    */
    perf_hpp_list__init(&hists->list);

    + /* Overload number of header lines.*/
    + hists->list.nr_header_lines = nr_header_lines;
    +
    return hpp_list__parse(&hists->list, NULL, sort);
    }

    @@ -1727,7 +1733,7 @@ static int perf_c2c__report(int argc, const char **argv)

    file.path = input_name;

    - err = c2c_hists__init(&c2c.hists, "dcacheline");
    + err = c2c_hists__init(&c2c.hists, "dcacheline", 2);
    if (err) {
    pr_debug("Failed to initialize hists\n");
    goto out;
    --
    2.7.4
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