linux-kernel - [PATCH v3 03/14] perf kvm: Move up metrics helpers

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Message-Id: <20230228115125.144172-4-leo.yan@linaro.org>
Date:   Tue, 28 Feb 2023 19:51:14 +0800
From:   Leo Yan <leo.yan@...aro.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Ian Rogers <irogers@...gle.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        James Clark <james.clark@....com>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Leo Yan <leo.yan@...aro.org>
Subject: [PATCH v3 03/14] perf kvm: Move up metrics helpers

This patch moves up the helper functions of event's metrics for later
adding code to call them.

No any functionality changes, but has a function renaming from
compare_kvm_event_{metric}() to cmp_event_{metric}().

Signed-off-by: Leo Yan <leo.yan@...aro.org>
Reviewed-by: James Clark <james.clark@....com>
---
 tools/perf/builtin-kvm.c | 72 ++++++++++++++++++++--------------------
 1 file changed, 36 insertions(+), 36 deletions(-)

diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index 3d2560ec6b37..62c097a37da9 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -49,6 +49,42 @@
 #include <math.h>
 #include <perf/mmap.h>
 
+#define GET_EVENT_KEY(func, field)					\
+static u64 get_event_ ##func(struct kvm_event *event, int vcpu)		\
+{									\
+	if (vcpu == -1)							\
+		return event->total.field;				\
+									\
+	if (vcpu >= event->max_vcpu)					\
+		return 0;						\
+									\
+	return event->vcpu[vcpu].field;					\
+}
+
+#define COMPARE_EVENT_KEY(func, field)					\
+GET_EVENT_KEY(func, field)						\
+static int cmp_event_ ## func(struct kvm_event *one,			\
+			      struct kvm_event *two, int vcpu)		\
+{									\
+	return get_event_ ##func(one, vcpu) >				\
+	       get_event_ ##func(two, vcpu);				\
+}
+
+GET_EVENT_KEY(time, time);
+GET_EVENT_KEY(max, stats.max);
+GET_EVENT_KEY(min, stats.min);
+COMPARE_EVENT_KEY(count, stats.n);
+COMPARE_EVENT_KEY(mean, stats.mean);
+
+#define DEF_SORT_NAME_KEY(name, compare_key)				\
+	{ #name, cmp_event_ ## compare_key }
+
+static struct kvm_event_key keys[] = {
+	DEF_SORT_NAME_KEY(sample, count),
+	DEF_SORT_NAME_KEY(time, mean),
+	{ NULL, NULL }
+};
+
 static const char *get_filename_for_perf_kvm(void)
 {
 	const char *filename;
@@ -461,42 +497,6 @@ static bool handle_kvm_event(struct perf_kvm_stat *kvm,
 	return true;
 }
 
-#define GET_EVENT_KEY(func, field)					\
-static u64 get_event_ ##func(struct kvm_event *event, int vcpu)		\
-{									\
-	if (vcpu == -1)							\
-		return event->total.field;				\
-									\
-	if (vcpu >= event->max_vcpu)					\
-		return 0;						\
-									\
-	return event->vcpu[vcpu].field;					\
-}
-
-#define COMPARE_EVENT_KEY(func, field)					\
-GET_EVENT_KEY(func, field)						\
-static int compare_kvm_event_ ## func(struct kvm_event *one,		\
-					struct kvm_event *two, int vcpu)\
-{									\
-	return get_event_ ##func(one, vcpu) >				\
-				get_event_ ##func(two, vcpu);		\
-}
-
-GET_EVENT_KEY(time, time);
-COMPARE_EVENT_KEY(count, stats.n);
-COMPARE_EVENT_KEY(mean, stats.mean);
-GET_EVENT_KEY(max, stats.max);
-GET_EVENT_KEY(min, stats.min);
-
-#define DEF_SORT_NAME_KEY(name, compare_key)				\
-	{ #name, compare_kvm_event_ ## compare_key }
-
-static struct kvm_event_key keys[] = {
-	DEF_SORT_NAME_KEY(sample, count),
-	DEF_SORT_NAME_KEY(time, mean),
-	{ NULL, NULL }
-};
-
 static bool select_key(struct perf_kvm_stat *kvm)
 {
 	int i;
-- 
2.34.1