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perf c2c report: Add total loads sort key
It is to be displayed in the main cachelines overall output: tot_loads It displays sum of all load accesses for 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-czd17qsh5u5z0yc1estz9l2y@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -514,6 +514,57 @@ tot_recs_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
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return tot_recs_left - tot_recs_right;
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}
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static uint64_t total_loads(struct c2c_stats *stats)
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{
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uint64_t lclmiss, ldcnt;
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lclmiss = stats->lcl_dram +
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stats->rmt_dram +
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stats->rmt_hitm +
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stats->rmt_hit;
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ldcnt = lclmiss +
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stats->ld_fbhit +
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stats->ld_l1hit +
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stats->ld_l2hit +
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stats->ld_llchit +
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stats->lcl_hitm;
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return ldcnt;
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}
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static int
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tot_loads_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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struct c2c_hist_entry *c2c_he;
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int width = c2c_width(fmt, hpp, he->hists);
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uint64_t tot_recs;
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c2c_he = container_of(he, struct c2c_hist_entry, he);
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tot_recs = total_loads(&c2c_he->stats);
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return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
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}
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static int64_t
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tot_loads_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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struct c2c_hist_entry *c2c_left;
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struct c2c_hist_entry *c2c_right;
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uint64_t tot_recs_left;
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uint64_t tot_recs_right;
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c2c_left = container_of(left, struct c2c_hist_entry, he);
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c2c_right = container_of(right, struct c2c_hist_entry, he);
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tot_recs_left = total_loads(&c2c_left->stats);
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tot_recs_right = total_loads(&c2c_right->stats);
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return tot_recs_left - tot_recs_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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@ -709,6 +760,14 @@ static struct c2c_dimension dim_tot_recs = {
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.width = 7,
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};
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static struct c2c_dimension dim_tot_loads = {
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.header = HEADER_BOTH("Total", "Loads"),
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.name = "tot_loads",
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.cmp = tot_loads_cmp,
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.entry = tot_loads_entry,
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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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@ -730,6 +789,7 @@ static struct c2c_dimension *dimensions[] = {
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&dim_ld_rmthit,
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&dim_ld_llcmiss,
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&dim_tot_recs,
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&dim_tot_loads,
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NULL,
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};
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