perf c2c report: Add llc load miss dimension key
It is to be displayed in the main cachelines overall output: ld_llcmiss It displays bare number of LLC misses 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-wojujik7zzen770mxn295mxa@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
parent
4d08910c94
commit
04402d205a
|
@ -421,6 +421,44 @@ STAT_FN(ld_l2hit)
|
|||
STAT_FN(ld_llchit)
|
||||
STAT_FN(rmt_hit)
|
||||
|
||||
static uint64_t llc_miss(struct c2c_stats *stats)
|
||||
{
|
||||
uint64_t llcmiss;
|
||||
|
||||
llcmiss = stats->lcl_dram +
|
||||
stats->rmt_dram +
|
||||
stats->rmt_hitm +
|
||||
stats->rmt_hit;
|
||||
|
||||
return llcmiss;
|
||||
}
|
||||
|
||||
static int
|
||||
ld_llcmiss_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);
|
||||
|
||||
c2c_he = container_of(he, struct c2c_hist_entry, he);
|
||||
|
||||
return scnprintf(hpp->buf, hpp->size, "%*lu", width,
|
||||
llc_miss(&c2c_he->stats));
|
||||
}
|
||||
|
||||
static int64_t
|
||||
ld_llcmiss_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;
|
||||
|
||||
c2c_left = container_of(left, struct c2c_hist_entry, he);
|
||||
c2c_right = container_of(right, struct c2c_hist_entry, he);
|
||||
|
||||
return llc_miss(&c2c_left->stats) - llc_miss(&c2c_right->stats);
|
||||
}
|
||||
|
||||
#define HEADER_LOW(__h) \
|
||||
{ \
|
||||
.line[1] = { \
|
||||
|
@ -600,6 +638,14 @@ static struct c2c_dimension dim_ld_rmthit = {
|
|||
.width = 8,
|
||||
};
|
||||
|
||||
static struct c2c_dimension dim_ld_llcmiss = {
|
||||
.header = HEADER_BOTH("LLC", "Ld Miss"),
|
||||
.name = "ld_llcmiss",
|
||||
.cmp = ld_llcmiss_cmp,
|
||||
.entry = ld_llcmiss_entry,
|
||||
.width = 7,
|
||||
};
|
||||
|
||||
static struct c2c_dimension *dimensions[] = {
|
||||
&dim_dcacheline,
|
||||
&dim_offset,
|
||||
|
@ -619,6 +665,7 @@ static struct c2c_dimension *dimensions[] = {
|
|||
&dim_ld_l2hit,
|
||||
&dim_ld_llchit,
|
||||
&dim_ld_rmthit,
|
||||
&dim_ld_llcmiss,
|
||||
NULL,
|
||||
};
|
||||
|
||||
|
|
Loading…
Reference in a new issue