[PATCH 3/4] perf c2c: Add map name for cacheline

[Michael Petlan <mpetlan@redhat.com>]

Add column showing address range of the entries in Shared Data Cache
Line Table.

Suggested-by: Joe Mario <jmario@redhat.com>
Suggested-by: Jiri Olsa <jolsa@kernel.org>

Signed-off-by: Michael Petlan <mpetlan@redhat.com>
---
 tools/perf/builtin-c2c.c | 35 +++++++++++++++++++++++++++++++++--
 1 file changed, 33 insertions(+), 2 deletions(-)

diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index ab77ea7b188c..78bcc18b7891 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -1368,6 +1368,28 @@ cl_shared_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 	return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
 }
 
+static int
+cl_map_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
+			 struct hist_entry *he)
+{
+	struct c2c_hist_entry *c2c_he;
+	int width = c2c_width(fmt, hpp, he->hists);
+	char buf[100];
+	struct map *map = he->mem_info->daddr.ms.map;
+
+	c2c_he = container_of(he, struct c2c_hist_entry, he);
+	c2c_he__resolve_shared_mem(c2c_he);
+
+	if (map) {
+		scnprintf(buf, 100, "%lx-%lx %s", map->start, map->end,
+				  map->dso ? map->dso->name : "N/A");
+	} else {
+		scnprintf(buf, 100, "N/A");
+	}
+
+	return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
+}
+
 #define HEADER_LOW(__h)			\
 	{				\
 		.line[1] = {		\
@@ -1856,6 +1878,14 @@ static struct c2c_dimension dim_dcacheline_shared = {
 	.width		= 1,
 };
 
+static struct c2c_dimension dim_dcacheline_map = {
+	.header		= HEADER_LOW("Map"),
+	.name		= "cl_map",
+	.cmp		= empty_cmp,
+	.entry		= cl_map_entry,
+	.width		= 3,
+};
+
 static struct c2c_dimension *dimensions[] = {
 	&dim_dcacheline,
 	&dim_dcacheline_node,
@@ -1913,6 +1943,7 @@ static struct c2c_dimension *dimensions[] = {
 	&dim_dcacheline_num,
 	&dim_dcacheline_num_empty,
 	&dim_dcacheline_shared,
+	&dim_dcacheline_map,
 	NULL,
 };
 
@@ -3210,7 +3241,7 @@ static int perf_c2c__report(int argc, const char **argv)
 			     "ld_fbhit,ld_l1hit,ld_l2hit,"
 			     "ld_lclhit,lcl_hitm,"
 			     "ld_rmthit,rmt_hitm,"
-			     "dram_lcl,dram_rmt";
+			     "dram_lcl,dram_rmt,cl_map";
 	else
 		output_str = "cl_idx,"
 			     "cl_shared,"
@@ -3226,7 +3257,7 @@ static int perf_c2c__report(int argc, const char **argv)
 			     "ld_fbhit,ld_l1hit,ld_l2hit,"
 			     "ld_lclhit,lcl_hitm,"
 			     "ld_rmthit,rmt_hitm,"
-			     "dram_lcl,dram_rmt";
+			     "dram_lcl,dram_rmt,cl_map";
 
 	if (c2c.display == DISPLAY_TOT_HITM)
 		sort_str = "tot_hitm";
-- 
2.47.3