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>hifive-unleashed-5.1
Jiri Olsa
Arnaldo Carvalho de Melo
parent
f0c50c1593
commit
9cb3500afc
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@ -646,6 +646,167 @@ percent_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
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return per_left - per_right;
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}
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static struct c2c_stats *he_stats(struct hist_entry *he)
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{
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struct c2c_hist_entry *c2c_he;
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c2c_he = container_of(he, struct c2c_hist_entry, he);
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return &c2c_he->stats;
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}
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static struct c2c_stats *total_stats(struct hist_entry *he)
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{
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struct c2c_hists *hists;
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hists = container_of(he->hists, struct c2c_hists, hists);
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return &hists->stats;
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}
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static double percent(int st, int tot)
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{
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return tot ? 100. * (double) st / (double) tot : 0;
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}
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#define PERCENT(__h, __f) percent(he_stats(__h)->__f, total_stats(__h)->__f)
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#define PERCENT_FN(__f) \
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static double percent_ ## __f(struct c2c_hist_entry *c2c_he) \
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{ \
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struct c2c_hists *hists; \
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\
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hists = container_of(c2c_he->he.hists, struct c2c_hists, hists); \
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return percent(c2c_he->stats.__f, hists->stats.__f); \
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}
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PERCENT_FN(rmt_hitm)
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PERCENT_FN(lcl_hitm)
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PERCENT_FN(st_l1hit)
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PERCENT_FN(st_l1miss)
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static int
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percent_rmt_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
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struct hist_entry *he)
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{
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int width = c2c_width(fmt, hpp, he->hists);
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double per = PERCENT(he, rmt_hitm);
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char buf[10];
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return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
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}
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static int
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percent_rmt_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
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struct hist_entry *he)
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{
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return percent_color(fmt, hpp, he, percent_rmt_hitm);
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}
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static int64_t
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percent_rmt_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
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struct hist_entry *left, struct hist_entry *right)
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{
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double per_left;
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double per_right;
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per_left = PERCENT(left, lcl_hitm);
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per_right = PERCENT(right, lcl_hitm);
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return per_left - per_right;
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}
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static int
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percent_lcl_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
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struct hist_entry *he)
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{
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int width = c2c_width(fmt, hpp, he->hists);
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double per = PERCENT(he, lcl_hitm);
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char buf[10];
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return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
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}
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static int
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percent_lcl_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
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struct hist_entry *he)
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{
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return percent_color(fmt, hpp, he, percent_lcl_hitm);
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}
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static int64_t
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percent_lcl_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
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struct hist_entry *left, struct hist_entry *right)
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{
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double per_left;
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double per_right;
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per_left = PERCENT(left, lcl_hitm);
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per_right = PERCENT(right, lcl_hitm);
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return per_left - per_right;
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}
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static int
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percent_stores_l1hit_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
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struct hist_entry *he)
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{
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int width = c2c_width(fmt, hpp, he->hists);
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double per = PERCENT(he, st_l1hit);
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char buf[10];
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return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
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}
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static int
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percent_stores_l1hit_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
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struct hist_entry *he)
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{
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return percent_color(fmt, hpp, he, percent_st_l1hit);
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}
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static int64_t
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percent_stores_l1hit_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
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struct hist_entry *left, struct hist_entry *right)
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{
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double per_left;
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double per_right;
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per_left = PERCENT(left, st_l1hit);
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per_right = PERCENT(right, st_l1hit);
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return per_left - per_right;
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}
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static int
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percent_stores_l1miss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
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struct hist_entry *he)
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{
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int width = c2c_width(fmt, hpp, he->hists);
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double per = PERCENT(he, st_l1miss);
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char buf[10];
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return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
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}
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static int
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percent_stores_l1miss_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
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struct hist_entry *he)
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{
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return percent_color(fmt, hpp, he, percent_st_l1miss);
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}
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static int64_t
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percent_stores_l1miss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
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struct hist_entry *left, struct hist_entry *right)
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{
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double per_left;
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double per_right;
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per_left = PERCENT(left, st_l1miss);
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per_right = PERCENT(right, st_l1miss);
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return per_left - per_right;
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}
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#define HEADER_LOW(__h) \
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{ \
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.line[1] = { \
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@ -858,6 +1019,42 @@ static struct c2c_dimension dim_percent_hitm = {
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.width = 7,
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};
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static struct c2c_dimension dim_percent_rmt_hitm = {
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.header = HEADER_SPAN("----- HITM -----", "Rmt", 1),
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.name = "percent_rmt_hitm",
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.cmp = percent_rmt_hitm_cmp,
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.entry = percent_rmt_hitm_entry,
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.color = percent_rmt_hitm_color,
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.width = 7,
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};
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static struct c2c_dimension dim_percent_lcl_hitm = {
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.header = HEADER_SPAN_LOW("Lcl"),
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.name = "percent_lcl_hitm",
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.cmp = percent_lcl_hitm_cmp,
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.entry = percent_lcl_hitm_entry,
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.color = percent_lcl_hitm_color,
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.width = 7,
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};
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static struct c2c_dimension dim_percent_stores_l1hit = {
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.header = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
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.name = "percent_stores_l1hit",
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.cmp = percent_stores_l1hit_cmp,
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.entry = percent_stores_l1hit_entry,
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.color = percent_stores_l1hit_color,
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.width = 7,
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};
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static struct c2c_dimension dim_percent_stores_l1miss = {
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.header = HEADER_SPAN_LOW("L1 Miss"),
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.name = "percent_stores_l1miss",
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.cmp = percent_stores_l1miss_cmp,
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.entry = percent_stores_l1miss_entry,
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.color = percent_stores_l1miss_color,
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.width = 7,
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};
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static struct c2c_dimension *dimensions[] = {
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&dim_dcacheline,
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&dim_offset,
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@ -881,6 +1078,10 @@ static struct c2c_dimension *dimensions[] = {
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&dim_tot_recs,
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&dim_tot_loads,
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&dim_percent_hitm,
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&dim_percent_rmt_hitm,
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&dim_percent_lcl_hitm,
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&dim_percent_stores_l1hit,
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&dim_percent_stores_l1miss,
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NULL,
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};
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@ -968,6 +1169,7 @@ static struct c2c_fmt *get_format(const char *name)
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fmt->cmp = dim->se ? c2c_se_cmp : dim->cmp;
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fmt->sort = dim->se ? c2c_se_cmp : dim->cmp;
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fmt->color = dim->se ? NULL : dim->color;
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fmt->entry = dim->se ? c2c_se_entry : dim->entry;
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fmt->header = c2c_header;
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fmt->width = c2c_width;
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