Add dimensions for load hit and its percentage calculation, which is to
be displayed in the single cache line output.
Signed-off-by: Leo Yan <leo....@linaro.org>
---
tools/perf/builtin-c2c.c | 71 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 71 insertions(+)
diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index 3d5a2dc8b4fd..00014e3d81fa 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -1052,6 +1052,58 @@ percent_lcl_hitm_cmp(struct perf_hpp_fmt *fmt
__maybe_unused,
return per_left - per_right;
}
+static double percent_ld_hit(struct c2c_hist_entry *c2c_he)
+{
+ struct c2c_hists *hists;
+ int tot, st;
+
+ hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
+
+ st = TOT_LD_HIT(&c2c_he->stats);
+ tot = TOT_LD_HIT(&hists->stats);
+
+ return percent(st, tot);
+}
+
+static int
+percent_ld_hit_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);
+ char buf[10];
+ double per;
+
+ c2c_he = container_of(he, struct c2c_hist_entry, he);
+ per = percent_ld_hit(c2c_he);
+ return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
+}
+
+static int
+percent_ld_hit_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
+ struct hist_entry *he)
+{
+ return percent_color(fmt, hpp, he, percent_ld_hit);
+}
+
+static int64_t
+percent_ld_hit_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;
+ double per_left;
+ double per_right;
+
+ c2c_left = container_of(left, struct c2c_hist_entry, he);
+ c2c_right = container_of(right, struct c2c_hist_entry, he);
+
+ per_left = percent_ld_hit(c2c_left);
+ per_right = percent_ld_hit(c2c_right);
+
+ return per_left - per_right;
+}
+
static int
percent_stores_l1hit_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
@@ -1417,6 +1469,14 @@ static struct c2c_dimension dim_cl_rmt_hitm = {
.width = 7,
};
+static struct c2c_dimension dim_cl_tot_ld_hit = {
+ .header = HEADER_SPAN("--- Load ---", "Hit", 1),
+ .name = "cl_tot_ld_hit",
+ .cmp = tot_ld_hit_cmp,
+ .entry = tot_ld_hit_entry,
+ .width = 7,
+};
+
static struct c2c_dimension dim_cl_lcl_hitm = {
.header = HEADER_SPAN_LOW("Lcl"),
.name = "cl_lcl_hitm",
@@ -1570,6 +1630,15 @@ static struct c2c_dimension dim_percent_tot_ld_hit = {
.width = 8,
};
+static struct c2c_dimension dim_percent_ld_hit = {
+ .header = HEADER_SPAN("-- Load Refs --", "Hit", 1),
+ .name = "percent_ld_hit",
+ .cmp = percent_ld_hit_cmp,
+ .entry = percent_ld_hit_entry,
+ .color = percent_ld_hit_color,
+ .width = 7,
+};
+
static struct c2c_dimension dim_percent_stores_l1hit = {
.header = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
.name = "percent_stores_l1hit",
@@ -1715,6 +1784,7 @@ static struct c2c_dimension *dimensions[] = {
&dim_rmt_hitm,
&dim_cl_lcl_hitm,
&dim_cl_rmt_hitm,
+ &dim_cl_tot_ld_hit,
&dim_tot_stores,
&dim_stores_l1hit,
&dim_stores_l1miss,
@@ -1731,6 +1801,7 @@ static struct c2c_dimension *dimensions[] = {
&dim_percent_hitm,
&dim_percent_rmt_hitm,
&dim_percent_lcl_hitm,
+ &dim_percent_ld_hit,
&dim_percent_tot_ld_hit,
&dim_percent_stores_l1hit,
&dim_percent_stores_l1miss,
--
2.17.1
