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perf c2c report: Add 'offset' dimension key 

It displays cacheline offset as hex number.

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-m0424ye98lqveg5nopto8qww@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2016-04-29 14:37:06 +02:00 committed by Arnaldo Carvalho de Melo
parent cbb88500a7
commit 48acdebdc3
1 changed files with 36 additions and 0 deletions
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36
tools/perf/builtin-c2c.c
View File

@ -301,6 +301,33 @@ static int dcacheline_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
}
static int offset_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he)
{
uint64_t addr = 0;
int width = c2c_width(fmt, hpp, he->hists);
char buf[20];
if (he->mem_info)
addr = cl_offset(he->mem_info->daddr.al_addr);
return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
}
static int64_t
offset_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
struct hist_entry *left, struct hist_entry *right)
{
uint64_t l = 0, r = 0;
if (left->mem_info)
l = cl_offset(left->mem_info->daddr.addr);
if (right->mem_info)
r = cl_offset(right->mem_info->daddr.addr);
return (int64_t)(r - l);
}
#define HEADER_LOW(__h) \
{ \
.line[1] = { \
@ -344,8 +371,17 @@ static struct c2c_dimension dim_dcacheline = {
.width = 18,
};
static struct c2c_dimension dim_offset = {
.header = HEADER_BOTH("Data address", "Offset"),
.name = "offset",
.cmp = offset_cmp,
.entry = offset_entry,
.width = 18,
};
static struct c2c_dimension *dimensions[] = {
&dim_dcacheline,
&dim_offset,
NULL,
};