[PATCH v2 02/10] perf util: Define a structure for runtime shadow metrics stats

Jin Yao
2017-11-27T06:12:24Z

Perf has a set of static variables to record the runtime shadow
metrics stats.

While if we want to record the runtime shadow stats for per-thread,
it will be the limitation. This patch creates a structure and the
next patches will use this structure to update the runtime shadow
stats for per-thread.

Signed-off-by: Jin Yao <yao.jin@linux.intel.com>
---
tools/perf/util/stat-shadow.c | 11 -----------
tools/perf/util/stat.h | 46 ++++++++++++++++++++++++++++++++++++++++++-
2 files changed, 45 insertions(+), 12 deletions(-)

diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c
index 855e35c..5853901 100644
--- a/tools/perf/util/stat-shadow.c
+++ b/tools/perf/util/stat-shadow.c
@@ -9,17 +9,6 @@
#include "expr.h"
#include "metricgroup.h"

-enum {
- CTX_BIT_USER = 1 << 0,
- CTX_BIT_KERNEL = 1 << 1,
- CTX_BIT_HV = 1 << 2,
- CTX_BIT_HOST = 1 << 3,
- CTX_BIT_IDLE = 1 << 4,
- CTX_BIT_MAX = 1 << 5,
-};
-
-#define NUM_CTX CTX_BIT_MAX
-
/*
* AGGR_GLOBAL: Use CPU 0
* AGGR_SOCKET: Use first CPU of socket
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index eefca5c..6ea173a 100644
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -5,6 +5,8 @@
#include <linux/types.h>
#include <stdio.h>
#include "xyarray.h"
+#include "evsel.h"
+#include "rblist.h"

struct stats
{
@@ -43,11 +45,54 @@ enum aggr_mode {
AGGR_UNSET,
};

+enum {
+ CTX_BIT_USER = 1 << 0,
+ CTX_BIT_KERNEL = 1 << 1,
+ CTX_BIT_HV = 1 << 2,
+ CTX_BIT_HOST = 1 << 3,
+ CTX_BIT_IDLE = 1 << 4,
+ CTX_BIT_MAX = 1 << 5,
+};
+
+#define NUM_CTX CTX_BIT_MAX
+
+enum stat_type {
+ STAT_NONE = 0,
+ STAT_NSECS,
+ STAT_CYCLES,
+ STAT_STALLED_CYCLES_FRONT,
+ STAT_STALLED_CYCLES_BACK,
+ STAT_BRANCHES,
+ STAT_CACHEREFS,
+ STAT_L1_DCACHE,
+ STAT_L1_ICACHE,
+ STAT_LL_CACHE,
+ STAT_ITLB_CACHE,
+ STAT_DTLB_CACHE,
+ STAT_CYCLES_IN_TX,
+ STAT_TRANSACTION,
+ STAT_ELISION,
+ STAT_TOPDOWN_TOTAL_SLOTS,
+ STAT_TOPDOWN_SLOTS_ISSUED,
+ STAT_TOPDOWN_SLOTS_RETIRED,
+ STAT_TOPDOWN_FETCH_BUBBLES,
+ STAT_TOPDOWN_RECOVERY_BUBBLES,
+ STAT_SMI_NUM,
+ STAT_APERF,
+ STAT_MAX
+};
+
+struct runtime_stat {
+ struct rblist value_list;
+};
+
struct perf_stat_config {
enum aggr_mode aggr_mode;
bool scale;
FILE *output;
unsigned int interval;
+ struct runtime_stat *stats;
+ int stats_num;
};

void update_stats(struct stats *stats, u64 val);
@@ -92,7 +137,6 @@ struct perf_stat_output_ctx {
bool force_header;
};

-struct rblist;
void perf_stat__print_shadow_stats(struct perf_evsel *evsel,
double avg, int cpu,
struct perf_stat_output_ctx *out,
--
2.7.4