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perf c2c report: Add total loads sort key

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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>
This commit is contained in:
Jiri Olsa 2016-05-19 09:52:37 +02:00 committed by Arnaldo Carvalho de Melo
parent 01b84d7692
commit 55177c4ea6
1 changed files with 60 additions and 0 deletions
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60
tools/perf/builtin-c2c.c
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@ -514,6 +514,57 @@ tot_recs_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
return tot_recs_left - tot_recs_right;
}
static uint64_t total_loads(struct c2c_stats *stats)
{
uint64_t lclmiss, ldcnt;
lclmiss = stats->lcl_dram +
stats->rmt_dram +
stats->rmt_hitm +
stats->rmt_hit;
ldcnt = lclmiss +
stats->ld_fbhit +
stats->ld_l1hit +
stats->ld_l2hit +
stats->ld_llchit +
stats->lcl_hitm;
return ldcnt;
}
static int
tot_loads_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);
uint64_t tot_recs;
c2c_he = container_of(he, struct c2c_hist_entry, he);
tot_recs = total_loads(&c2c_he->stats);
return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
}
static int64_t
tot_loads_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;
uint64_t tot_recs_left;
uint64_t tot_recs_right;
c2c_left = container_of(left, struct c2c_hist_entry, he);
c2c_right = container_of(right, struct c2c_hist_entry, he);
tot_recs_left = total_loads(&c2c_left->stats);
tot_recs_right = total_loads(&c2c_right->stats);
return tot_recs_left - tot_recs_right;
}
#define HEADER_LOW(__h) \
{ \
.line[1] = { \
@ -709,6 +760,14 @@ static struct c2c_dimension dim_tot_recs = {
.width = 7,
};
static struct c2c_dimension dim_tot_loads = {
.header = HEADER_BOTH("Total", "Loads"),
.name = "tot_loads",
.cmp = tot_loads_cmp,
.entry = tot_loads_entry,
.width = 7,
};
static struct c2c_dimension *dimensions[] = {
&dim_dcacheline,
&dim_offset,
@ -730,6 +789,7 @@ static struct c2c_dimension *dimensions[] = {
&dim_ld_rmthit,
&dim_ld_llcmiss,
&dim_tot_recs,
&dim_tot_loads,
NULL,
};