perf c2c report: Add 'iaddr' dimension key

It displays the code address (as hex number) responsible for the
accesses.

Using c2c wrapper to standard 'symbol_iaddr' object to define own header
and simple (just address) code address 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/n/tip-rhshygbst6kr75kju0muwt5x@git.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 01d541fd70222ad5671bb98a63f42b3c0777953d..bb9d0187483616b1d16f44875bff1d80de329f10 100644 (file)
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -328,6 +328,27 @@ offset_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
        return (int64_t)(r - l);
 }
 
+static int
+iaddr_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 = he->mem_info->iaddr.addr;
+
+       return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
+}
+
+static int64_t
+iaddr_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
+         struct hist_entry *left, struct hist_entry *right)
+{
+       return sort__iaddr_cmp(left, right);
+}
+
 #define HEADER_LOW(__h)                        \
        {                               \
                .line[1] = {            \
@@ -379,9 +400,18 @@ static struct c2c_dimension dim_offset = {
        .width          = 18,
 };
 
+static struct c2c_dimension dim_iaddr = {
+       .header         = HEADER_LOW("Code address"),
+       .name           = "iaddr",
+       .cmp            = iaddr_cmp,
+       .entry          = iaddr_entry,
+       .width          = 18,
+};
+
 static struct c2c_dimension *dimensions[] = {
        &dim_dcacheline,
        &dim_offset,
+       &dim_iaddr,
        NULL,
 };