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perf c2c report: Add 'dcacheline' dimension key 

It displays cacheline address as hex number.

Using c2c wrapper to standard 'dcacheline' object to defined own header
and simple (just address) cacheline output.

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/r/1474558645-19956-21-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2016-09-22 17:36:48 +02:00 committed by Arnaldo Carvalho de Melo
parent 600a8cf45b
commit cbb88500a7
1 changed files with 37 additions and 0 deletions
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37
tools/perf/builtin-c2c.c
View File

@ -1,5 +1,6 @@
#include <linux/compiler.h>
#include <linux/kernel.h>
#include <linux/stringify.h>
#include "util.h"
#include "debug.h"
#include "builtin.h"
@ -7,6 +8,7 @@
#include "mem-events.h"
#include "session.h"
#include "hist.h"
#include "sort.h"
#include "tool.h"
#include "data.h"
#include "sort.h"
@ -273,6 +275,32 @@ static int c2c_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
return scnprintf(hpp->buf, hpp->size, "%*s", width, text);
}
#define HEX_STR(__s, __v) \
({ \
scnprintf(__s, sizeof(__s), "0x%" PRIx64, __v); \
__s; \
})
static int64_t
dcacheline_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
struct hist_entry *left, struct hist_entry *right)
{
return sort__dcacheline_cmp(left, right);
}
static int dcacheline_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_address(he->mem_info->daddr.addr);
return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
}
#define HEADER_LOW(__h) \
{ \
.line[1] = { \
@ -308,7 +336,16 @@ static int c2c_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
}, \
}
static struct c2c_dimension dim_dcacheline = {
.header = HEADER_LOW("Cacheline"),
.name = "dcacheline",
.cmp = dcacheline_cmp,
.entry = dcacheline_entry,
.width = 18,
};
static struct c2c_dimension *dimensions[] = {
&dim_dcacheline,
NULL,
};