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>

diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index 78addc4..3a3e67f 100644 (file)
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -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,
 };