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    Subject[PATCH 28/57] perf c2c report: Add total record sort key
    Date
    Adding total record dimension key wrapper.

    It is to be displayed in the main cachelines
    overall output:

    tot_recs

    It displays sum of all cachelines accesses.

    Link: http://lkml.kernel.org/n/tip-wojujik7zzen770mxn295mxa@git.kernel.org
    Signed-off-by: Jiri Olsa <jolsa@kernel.org>
    ---
    tools/perf/builtin-c2c.c | 64 ++++++++++++++++++++++++++++++++++++++++++++++++
    1 file changed, 64 insertions(+)

    diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
    index 419a46926707..d96cad97b4d7 100644
    --- a/tools/perf/builtin-c2c.c
    +++ b/tools/perf/builtin-c2c.c
    @@ -456,6 +456,61 @@ ld_llcmiss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
    return llc_miss(&c2c_left->stats) - llc_miss(&c2c_right->stats);
    }

    +static uint64_t total_records(struct c2c_stats *stats)
    +{
    + uint64_t lclmiss, ldcnt, total;
    +
    + lclmiss = stats->lcl_dram +
    + stats->rmt_dram +
    + stats->rmt_hitm +
    + stats->rmt_hit;
    +
    + ldcnt = lclmiss +
    + stats->ld_fbhit +
    + stats->ld_l1hit +
    + stats->ld_l2hit +
    + stats->ld_llchit +
    + stats->lcl_hitm;
    +
    + total = ldcnt +
    + stats->st_l1hit +
    + stats->st_l1miss;
    +
    + return total;
    +}
    +
    +static int
    +tot_recs_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
    + struct hist_entry *he)
    +{
    + struct c2c_hist_entry *c2c_he;
    + int width = c2c_width(fmt, hpp, he->hists);
    + uint64_t tot_recs;
    +
    + c2c_he = container_of(he, struct c2c_hist_entry, he);
    + tot_recs = total_records(&c2c_he->stats);
    +
    + return snprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
    +}
    +
    +static int64_t
    +tot_recs_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
    + struct hist_entry *left, struct hist_entry *right)
    +{
    + struct c2c_hist_entry *c2c_left;
    + struct c2c_hist_entry *c2c_right;
    + uint64_t tot_recs_left;
    + uint64_t tot_recs_right;
    +
    + c2c_left = container_of(left, struct c2c_hist_entry, he);
    + c2c_right = container_of(right, struct c2c_hist_entry, he);
    +
    + tot_recs_left = total_records(&c2c_left->stats);
    + tot_recs_right = total_records(&c2c_right->stats);
    +
    + return tot_recs_left - tot_recs_right;
    +}
    +
    #define HEADER_LOW(__h) \
    { \
    .line[1] = { \
    @@ -643,6 +698,14 @@ static struct c2c_dimension dim_ld_llcmiss = {
    .width = 7,
    };

    +static struct c2c_dimension dim_tot_recs = {
    + .header = HEADER_BOTH("Total", "records"),
    + .name = "tot_recs",
    + .cmp = tot_recs_cmp,
    + .entry = tot_recs_entry,
    + .width = 7,
    +};
    +
    static struct c2c_dimension *dimensions[] = {
    &dim_dcacheline,
    &dim_offset,
    @@ -663,6 +726,7 @@ static struct c2c_dimension *dimensions[] = {
    &dim_ld_llchit,
    &dim_ld_rmthit,
    &dim_ld_llcmiss,
    + &dim_tot_recs,
    NULL,
    };

    --
    2.7.4
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