redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

perf c2c report: Add 'cpucnt' sort key 

It is to be displayed in the single cacheline output:

  cpucnt

It displays number of distinct cpus that hit 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-ib2kdwam52fby9u2k3ij6lhm@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
hifive-unleashed-5.1
Jiri Olsa 2016-06-23 23:05:52 +02:00 committed by Arnaldo Carvalho de Melo
parent 92062d543f
commit b6fe2bbc34
1 changed files with 23 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
tools/perf/builtin-c2c.c
View File

@ -1015,6 +1015,20 @@ MEAN_ENTRY(mean_rmt_entry, rmt_hitm);
MEAN_ENTRY(mean_lcl_entry, lcl_hitm);
MEAN_ENTRY(mean_load_entry, load);
static int
cpucnt_entry(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp,
struct hist_entry *he)
{
struct c2c_hist_entry *c2c_he;
int width = c2c_width(fmt, hpp, he->hists);
char buf[10];
c2c_he = container_of(he, struct c2c_hist_entry, he);
scnprintf(buf, 10, "%d", bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt));
return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
}
#define HEADER_LOW(__h) \
{ \
.line[1] = { \
@ -1341,6 +1355,14 @@ static struct c2c_dimension dim_mean_load = {
.width = 8,
};
static struct c2c_dimension dim_cpucnt = {
.header = HEADER_BOTH("cpu", "cnt"),
.name = "cpucnt",
.cmp = empty_cmp,
.entry = cpucnt_entry,
.width = 8,
};
static struct c2c_dimension *dimensions[] = {
&dim_dcacheline,
&dim_offset,
@ -1378,6 +1400,7 @@ static struct c2c_dimension *dimensions[] = {
&dim_mean_rmt,
&dim_mean_lcl,
&dim_mean_load,
&dim_cpucnt,
NULL,
};