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Subject[PATCH 33/57] perf c2c report: Add pid sort key
Date
Adding pid dimension key wrapper.

It is to be displayed in the single cacheline output:

pid

We currently don't have a single 'pid' sort/display entry,
which would output just pid number, hence adding it into
c2c code.

Link: http://lkml.kernel.org/n/tip-3o23qrspxc99b04ci1swlzr6@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/perf/builtin-c2c.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)

diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index 030a33a93caf..20b5e7f64412 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -807,6 +807,22 @@ percent_stores_l1miss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
STAT_FN(lcl_dram)
STAT_FN(rmt_dram)

+static int
+pid_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
+ struct hist_entry *he)
+{
+ int width = c2c_width(fmt, hpp, he->hists);
+
+ return snprintf(hpp->buf, hpp->size, "%*d", width, he->thread->pid_);
+}
+
+static int64_t
+pid_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
+ struct hist_entry *left, struct hist_entry *right)
+{
+ return left->thread->pid_ - right->thread->pid_;
+}
+
#define HEADER_LOW(__h) \
{ \
.line[1] = { \
@@ -1071,6 +1087,14 @@ static struct c2c_dimension dim_dram_rmt = {
.width = 8,
};

+static struct c2c_dimension dim_pid = {
+ .header = HEADER_LOW("Pid"),
+ .name = "pid",
+ .cmp = pid_cmp,
+ .entry = pid_entry,
+ .width = 7,
+};
+
static struct c2c_dimension *dimensions[] = {
&dim_dcacheline,
&dim_offset,
@@ -1100,6 +1124,7 @@ static struct c2c_dimension *dimensions[] = {
&dim_percent_stores_l1miss,
&dim_dram_lcl,
&dim_dram_rmt,
+ &dim_pid,
NULL,
};

--
2.7.4
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