perf c2c report: Add hitm/store percent related sort keys

They are to be displayed in the single cacheline output:

  percent_rmt_hitm, percent_lcl_hitm, percent_stores_l1hit, percent_stores_l1miss

They display percentage of HITMs/stores for specific offset in the
cacheline.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-t365aosxtdut8sgrgn8mfoe4@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index dd356d88285c0662b3cd6760f642b0c201ac20fd..bf4859fecc19290d6e69d2b4e3c850dcf1799537 100644 (file)
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -646,6 +646,167 @@ percent_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
        return per_left - per_right;
 }
 
+static struct c2c_stats *he_stats(struct hist_entry *he)
+{
+       struct c2c_hist_entry *c2c_he;
+
+       c2c_he = container_of(he, struct c2c_hist_entry, he);
+       return &c2c_he->stats;
+}
+
+static struct c2c_stats *total_stats(struct hist_entry *he)
+{
+       struct c2c_hists *hists;
+
+       hists = container_of(he->hists, struct c2c_hists, hists);
+       return &hists->stats;
+}
+
+static double percent(int st, int tot)
+{
+       return tot ? 100. * (double) st / (double) tot : 0;
+}
+
+#define PERCENT(__h, __f) percent(he_stats(__h)->__f, total_stats(__h)->__f)
+
+#define PERCENT_FN(__f)                                                                \
+static double percent_ ## __f(struct c2c_hist_entry *c2c_he)                   \
+{                                                                              \
+       struct c2c_hists *hists;                                                \
+                                                                               \
+       hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);        \
+       return percent(c2c_he->stats.__f, hists->stats.__f);                    \
+}
+
+PERCENT_FN(rmt_hitm)
+PERCENT_FN(lcl_hitm)
+PERCENT_FN(st_l1hit)
+PERCENT_FN(st_l1miss)
+
+static int
+percent_rmt_hitm_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, rmt_hitm);
+       char buf[10];
+
+       return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
+}
+
+static int
+percent_rmt_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
+                      struct hist_entry *he)
+{
+       return percent_color(fmt, hpp, he, percent_rmt_hitm);
+}
+
+static int64_t
+percent_rmt_hitm_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, lcl_hitm);
+       per_right = PERCENT(right, lcl_hitm);
+
+       return per_left - per_right;
+}
+
+static int
+percent_lcl_hitm_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, lcl_hitm);
+       char buf[10];
+
+       return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
+}
+
+static int
+percent_lcl_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
+                      struct hist_entry *he)
+{
+       return percent_color(fmt, hpp, he, percent_lcl_hitm);
+}
+
+static int64_t
+percent_lcl_hitm_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, lcl_hitm);
+       per_right = PERCENT(right, lcl_hitm);
+
+       return per_left - per_right;
+}
+
+static int
+percent_stores_l1hit_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, st_l1hit);
+       char buf[10];
+
+       return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
+}
+
+static int
+percent_stores_l1hit_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
+                          struct hist_entry *he)
+{
+       return percent_color(fmt, hpp, he, percent_st_l1hit);
+}
+
+static int64_t
+percent_stores_l1hit_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, st_l1hit);
+       per_right = PERCENT(right, st_l1hit);
+
+       return per_left - per_right;
+}
+
+static int
+percent_stores_l1miss_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, st_l1miss);
+       char buf[10];
+
+       return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
+}
+
+static int
+percent_stores_l1miss_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
+                           struct hist_entry *he)
+{
+       return percent_color(fmt, hpp, he, percent_st_l1miss);
+}
+
+static int64_t
+percent_stores_l1miss_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, st_l1miss);
+       per_right = PERCENT(right, st_l1miss);
+
+       return per_left - per_right;
+}
+
 #define HEADER_LOW(__h)                        \
        {                               \
                .line[1] = {            \
@@ -858,6 +1019,42 @@ static struct c2c_dimension dim_percent_hitm = {
        .width          = 7,
 };
 
+static struct c2c_dimension dim_percent_rmt_hitm = {
+       .header         = HEADER_SPAN("----- HITM -----", "Rmt", 1),
+       .name           = "percent_rmt_hitm",
+       .cmp            = percent_rmt_hitm_cmp,
+       .entry          = percent_rmt_hitm_entry,
+       .color          = percent_rmt_hitm_color,
+       .width          = 7,
+};
+
+static struct c2c_dimension dim_percent_lcl_hitm = {
+       .header         = HEADER_SPAN_LOW("Lcl"),
+       .name           = "percent_lcl_hitm",
+       .cmp            = percent_lcl_hitm_cmp,
+       .entry          = percent_lcl_hitm_entry,
+       .color          = percent_lcl_hitm_color,
+       .width          = 7,
+};
+
+static struct c2c_dimension dim_percent_stores_l1hit = {
+       .header         = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
+       .name           = "percent_stores_l1hit",
+       .cmp            = percent_stores_l1hit_cmp,
+       .entry          = percent_stores_l1hit_entry,
+       .color          = percent_stores_l1hit_color,
+       .width          = 7,
+};
+
+static struct c2c_dimension dim_percent_stores_l1miss = {
+       .header         = HEADER_SPAN_LOW("L1 Miss"),
+       .name           = "percent_stores_l1miss",
+       .cmp            = percent_stores_l1miss_cmp,
+       .entry          = percent_stores_l1miss_entry,
+       .color          = percent_stores_l1miss_color,
+       .width          = 7,
+};
+
 static struct c2c_dimension *dimensions[] = {
        &dim_dcacheline,
        &dim_offset,
@@ -881,6 +1078,10 @@ static struct c2c_dimension *dimensions[] = {
        &dim_tot_recs,
        &dim_tot_loads,
        &dim_percent_hitm,
+       &dim_percent_rmt_hitm,
+       &dim_percent_lcl_hitm,
+       &dim_percent_stores_l1hit,
+       &dim_percent_stores_l1miss,
        NULL,
 };
 
@@ -968,6 +1169,7 @@ static struct c2c_fmt *get_format(const char *name)
 
        fmt->cmp        = dim->se ? c2c_se_cmp   : dim->cmp;
        fmt->sort       = dim->se ? c2c_se_cmp   : dim->cmp;
+       fmt->color      = dim->se ? NULL         : dim->color;
        fmt->entry      = dim->se ? c2c_se_entry : dim->entry;
        fmt->header     = c2c_header;
        fmt->width      = c2c_width;