Commit-ID: 55177c4ea6696332e2de44370eed3a62d7fceb67
Gitweb: http://git.kernel.org/tip/55177c4ea6696332e2de44370eed3a62d7fceb67
Author: Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Thu, 19 May 2016 09:52:37 +0200
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 19 Oct 2016 13:18:31 -0300
perf c2c report: Add total loads sort key
It is to be displayed in the main cachelines overall output:
tot_loads
It displays sum of all load accesses for cacheline.
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Don Zickus <dzickus@xxxxxxxxxx>
Cc: Joe Mario <jmario@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-czd17qsh5u5z0yc1estz9l2y@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/builtin-c2c.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 60 insertions(+)
diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index ff5b5b8..2411fe0 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -514,6 +514,57 @@ tot_recs_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
return tot_recs_left - tot_recs_right;
}
+static uint64_t total_loads(struct c2c_stats *stats)
+{
+ uint64_t lclmiss, ldcnt;
+
+ lclmiss = stats->lcl_dram +
+ stats->rmt_dram +
+ stats->rmt_hitm +
+ stats->rmt_hit;
+
+ ldcnt = lclmiss +
+ stats->ld_fbhit +
+ stats->ld_l1hit +
+ stats->ld_l2hit +
+ stats->ld_llchit +
+ stats->lcl_hitm;
+
+ return ldcnt;
+}
+
+static int
+tot_loads_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);
+ uint64_t tot_recs;
+
+ c2c_he = container_of(he, struct c2c_hist_entry, he);
+ tot_recs = total_loads(&c2c_he->stats);
+
+ return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
+}
+
+static int64_t
+tot_loads_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
+ struct hist_entry *left, struct hist_entry *right)
+{
+ struct c2c_hist_entry *c2c_left;
+ struct c2c_hist_entry *c2c_right;
+ uint64_t tot_recs_left;
+ uint64_t tot_recs_right;
+
+ c2c_left = container_of(left, struct c2c_hist_entry, he);
+ c2c_right = container_of(right, struct c2c_hist_entry, he);
+
+ tot_recs_left = total_loads(&c2c_left->stats);
+ tot_recs_right = total_loads(&c2c_right->stats);
+
+ return tot_recs_left - tot_recs_right;
+}
+
#define HEADER_LOW(__h) \
{ \
.line[1] = { \
@@ -709,6 +760,14 @@ static struct c2c_dimension dim_tot_recs = {
.width = 7,
};
+static struct c2c_dimension dim_tot_loads = {
+ .header = HEADER_BOTH("Total", "Loads"),
+ .name = "tot_loads",
+ .cmp = tot_loads_cmp,
+ .entry = tot_loads_entry,
+ .width = 7,
+};
+
static struct c2c_dimension *dimensions[] = {
&dim_dcacheline,
&dim_offset,
@@ -730,6 +789,7 @@ static struct c2c_dimension *dimensions[] = {
&dim_ld_rmthit,
&dim_ld_llcmiss,
&dim_tot_recs,
+ &dim_tot_loads,
NULL,
};
--
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