From b22da3d8526a935aa31e086e63f60ff3246cb61c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 07:24:11 +0000
Subject: [PATCH] add stmac read mac form eeprom
---
kernel/tools/perf/util/branch.h | 71 +++++++++++++++++++++++++++++++++--
1 files changed, 67 insertions(+), 4 deletions(-)
diff --git a/kernel/tools/perf/util/branch.h b/kernel/tools/perf/util/branch.h
index 1e3c7c5..17b2ccc 100644
--- a/kernel/tools/perf/util/branch.h
+++ b/kernel/tools/perf/util/branch.h
@@ -1,8 +1,73 @@
#ifndef _PERF_BRANCH_H
#define _PERF_BRANCH_H 1
-
+/*
+ * The linux/stddef.h isn't need here, but is needed for __always_inline used
+ * in files included from uapi/linux/perf_event.h such as
+ * /usr/include/linux/swab.h and /usr/include/linux/byteorder/little_endian.h,
+ * detected in at least musl libc, used in Alpine Linux. -acme
+ */
+#include <stdio.h>
#include <stdint.h>
-#include "../perf.h"
+#include <linux/compiler.h>
+#include <linux/stddef.h>
+#include <linux/perf_event.h>
+#include <linux/types.h>
+#include "event.h"
+
+struct branch_flags {
+ union {
+ u64 value;
+ struct {
+ u64 mispred:1;
+ u64 predicted:1;
+ u64 in_tx:1;
+ u64 abort:1;
+ u64 cycles:16;
+ u64 type:4;
+ u64 reserved:40;
+ };
+ };
+};
+
+struct branch_info {
+ struct addr_map_symbol from;
+ struct addr_map_symbol to;
+ struct branch_flags flags;
+ char *srcline_from;
+ char *srcline_to;
+};
+
+struct branch_entry {
+ u64 from;
+ u64 to;
+ struct branch_flags flags;
+};
+
+struct branch_stack {
+ u64 nr;
+ u64 hw_idx;
+ struct branch_entry entries[];
+};
+
+/*
+ * The hw_idx is only available when PERF_SAMPLE_BRANCH_HW_INDEX is applied.
+ * Otherwise, the output format of a sample with branch stack is
+ * struct branch_stack {
+ * u64 nr;
+ * struct branch_entry entries[0];
+ * }
+ * Check whether the hw_idx is available,
+ * and return the corresponding pointer of entries[0].
+ */
+static inline struct branch_entry *perf_sample__branch_entries(struct perf_sample *sample)
+{
+ u64 *entry = (u64 *)sample->branch_stack;
+
+ entry++;
+ if (sample->no_hw_idx)
+ return (struct branch_entry *)entry;
+ return (struct branch_entry *)(++entry);
+}
struct branch_type_stat {
bool branch_to;
@@ -12,8 +77,6 @@
u64 cross_4k;
u64 cross_2m;
};
-
-struct branch_flags;
void branch_type_count(struct branch_type_stat *st, struct branch_flags *flags,
u64 from, u64 to);
--
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