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    Subject[PATCH 47/57] perf c2c report: Add c2c related stats stdio output
    Date
    Display c2c related configuration options/setup.
    So far it's output of monitored events:

    $ perf c2c report --stats
    ...

    =================================================
    c2c details
    =================================================
    Events : cpu/mem-loads,ldlat=50/pp
    : cpu/mem-stores/pp

    Link: http://lkml.kernel.org/n/tip-ypz84f3a9fumyttrxurm458z@git.kernel.org
    Signed-off-by: Jiri Olsa <jolsa@kernel.org>
    ---
    tools/perf/builtin-c2c.c | 33 +++++++++++++++++++++++++++------
    1 file changed, 27 insertions(+), 6 deletions(-)

    diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
    index e85343e4ffe7..71b6850809a2 100644
    --- a/tools/perf/builtin-c2c.c
    +++ b/tools/perf/builtin-c2c.c
    @@ -13,6 +13,8 @@
    #include "tool.h"
    #include "data.h"
    #include "sort.h"
    +#include "evlist.h"
    +#include "evsel.h"
    #include <asm/bug.h>
    #include "ui/browsers/hists.h"

    @@ -1890,13 +1892,32 @@ static void print_pareto(FILE *out)
    }
    }

    -static void perf_c2c__hists_fprintf(FILE *out)
    +static void print_c2c_info(FILE *out, struct perf_session *session)
    +{
    + struct perf_evlist *evlist = session->evlist;
    + struct perf_evsel *evsel;
    + bool first = true;
    +
    + fprintf(out, "=================================================\n");
    + fprintf(out, " c2c details \n");
    + fprintf(out, "=================================================\n");
    +
    + evlist__for_each_entry(evlist, evsel) {
    + fprintf(out, "%-36s: %s\n", first ? " Events" : "",
    + perf_evsel__name(evsel));
    + first = false;
    + }
    +}
    +
    +static void perf_c2c__hists_fprintf(FILE *out, struct perf_session *session)
    {
    setup_pager();

    print_c2c__display_stats(out);
    fprintf(out, "\n");
    print_shared_cacheline_info(out);
    + fprintf(out, "\n");
    + print_c2c_info(out, session);

    if (c2c.stats_only)
    return;
    @@ -2070,18 +2091,18 @@ out:
    return 0;
    }

    -static void perf_c2c_display(void)
    +static void perf_c2c_display(struct perf_session *session)
    {
    if (c2c.use_stdio)
    - perf_c2c__hists_fprintf(stdout);
    + perf_c2c__hists_fprintf(stdout, session);
    else
    perf_c2c__hists_browse(&c2c.hists.hists);
    }
    #else
    -static void perf_c2c_display(void)
    +static void perf_c2c_display(struct perf_session *session)
    {
    use_browser = 0;
    - perf_c2c__hists_fprintf(stdout);
    + perf_c2c__hists_fprintf(stdout, session);
    }
    #endif /* HAVE_SLANG_SUPPORT */

    @@ -2194,7 +2215,7 @@ static int perf_c2c__report(int argc, const char **argv)

    ui_quirks();

    - perf_c2c_display();
    + perf_c2c_display(session);

    out_session:
    perf_session__delete(session);
    --
    2.7.4
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