Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit b6fe2bbc authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo
Browse files

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: default avatarJiri 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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 92062d54

tools/perf/builtin-c2c.c

+23 −0
Original line number Diff line number Diff line
@@ -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,

};