Add dimensions for LLC load hit and its associated percentage
calculation, which is to be displayed in the single cache line output.

Signed-off-by: Leo Yan <[email protected]>
---
 tools/perf/builtin-c2c.c | 51 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index 5fb77fcd3c9c..3f6271a779c4 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -947,6 +947,7 @@ static double percent_ ## __f(struct c2c_hist_entry 
*c2c_he)                        \
 
 PERCENT_FN(rmt_hitm)
 PERCENT_FN(lcl_hitm)
+PERCENT_FN(ld_llchit)
 PERCENT_FN(st_l1hit)
 PERCENT_FN(st_l1miss)
 
@@ -1012,6 +1013,37 @@ percent_lcl_hitm_cmp(struct perf_hpp_fmt *fmt 
__maybe_unused,
        return per_left - per_right;
 }
 
+static int
+percent_llc_hit_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
+                      struct hist_entry *he)
+{
+       int width = c2c_width(fmt, hpp, he->hists);
+       double per = PERCENT(he, ld_llchit);
+       char buf[10];
+
+       return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
+}
+
+static int
+percent_llc_hit_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
+                     struct hist_entry *he)
+{
+       return percent_color(fmt, hpp, he, percent_ld_llchit);
+}
+
+static int64_t
+percent_llc_hit_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
+                   struct hist_entry *left, struct hist_entry *right)
+{
+       double per_left;
+       double per_right;
+
+       per_left  = PERCENT(left, ld_llchit);
+       per_right = PERCENT(right, ld_llchit);
+
+       return per_left - per_right;
+}
+
 static int
 percent_stores_l1hit_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
                           struct hist_entry *he)
@@ -1377,6 +1409,14 @@ static struct c2c_dimension dim_cl_rmt_hitm = {
        .width          = 7,
 };
 
+static struct c2c_dimension dim_cl_llc_hit = {
+       .header         = HEADER_SPAN("--- LLC Load ---", "LclHit", 1),
+       .name           = "cl_llc_hit",
+       .cmp            = ld_llchit_cmp,
+       .entry          = ld_llchit_entry,
+       .width          = 7,
+};
+
 static struct c2c_dimension dim_cl_lcl_hitm = {
        .header         = HEADER_SPAN_LOW("Lcl"),
        .name           = "cl_lcl_hitm",
@@ -1530,6 +1570,15 @@ static struct c2c_dimension dim_percent_lcl_hitm = {
        .width          = 7,
 };
 
+static struct c2c_dimension dim_percent_llc_hit = {
+       .header         = HEADER_SPAN("---- LLC LD ----", "LclHit", 1),
+       .name           = "percent_llc_hit",
+       .cmp            = percent_llc_hit_cmp,
+       .entry          = percent_llc_hit_entry,
+       .color          = percent_llc_hit_color,
+       .width          = 7,
+};
+
 static struct c2c_dimension dim_percent_stores_l1hit = {
        .header         = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
        .name           = "percent_stores_l1hit",
@@ -1673,6 +1722,7 @@ static struct c2c_dimension *dimensions[] = {
        &dim_tot_hitm,
        &dim_lcl_hitm,
        &dim_rmt_hitm,
+       &dim_cl_llc_hit,
        &dim_cl_lcl_hitm,
        &dim_cl_rmt_hitm,
        &dim_tot_stores,
@@ -1692,6 +1742,7 @@ static struct c2c_dimension *dimensions[] = {
        &dim_percent_llchit,
        &dim_percent_rmt_hitm,
        &dim_percent_lcl_hitm,
+       &dim_percent_llc_hit,
        &dim_percent_stores_l1hit,
        &dim_percent_stores_l1miss,
        &dim_dram_lcl,
-- 
2.17.1

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