1 files changed, 117 insertions, 0 deletions
diff --git a/tools/perf/util/sample.h b/tools/perf/util/sample.h
new file mode 100644
index 000000000000..60ec79d4eea4
--- /dev/null
+++ b/tools/perf/util/sample.h
@@ -0,0 +1,117 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __PERF_SAMPLE_H
+#define __PERF_SAMPLE_H
+
+#include <linux/perf_event.h>
+#include <linux/types.h>
+
+/* number of register is bound by the number of bits in regs_dump::mask (64) */
+#define PERF_SAMPLE_REGS_CACHE_SIZE (8 * sizeof(u64))
+
+struct regs_dump {
+	u64 abi;
+	u64 mask;
+	u64 *regs;
+
+	/* Cached values/mask filled by first register access. */
+	u64 cache_regs[PERF_SAMPLE_REGS_CACHE_SIZE];
+	u64 cache_mask;
+};
+
+struct stack_dump {
+	u16 offset;
+	u64 size;
+	char *data;
+};
+
+struct sample_read_value {
+	u64 value;
+	u64 id;   /* only if PERF_FORMAT_ID */
+	u64 lost; /* only if PERF_FORMAT_LOST */
+};
+
+struct sample_read {
+	u64 time_enabled;
+	u64 time_running;
+	union {
+		struct {
+			u64 nr;
+			struct sample_read_value *values;
+		} group;
+		struct sample_read_value one;
+	};
+};
+
+static inline size_t sample_read_value_size(u64 read_format)
+{
+	/* PERF_FORMAT_ID is forced for PERF_SAMPLE_READ */
+	if (read_format & PERF_FORMAT_LOST)
+		return sizeof(struct sample_read_value);
+	else
+		return offsetof(struct sample_read_value, lost);
+}
+
+static inline struct sample_read_value *next_sample_read_value(struct sample_read_value *v, u64 read_format)
+{
+	return (void *)v + sample_read_value_size(read_format);
+}
+
+#define sample_read_group__for_each(v, nr, rf) \
+	for (int __i = 0; __i < (int)nr; v = next_sample_read_value(v, rf), __i++)
+
+#define MAX_INSN 16
+
+struct aux_sample {
+	u64 size;
+	void *data;
+};
+
+struct perf_sample {
+	u64 ip;
+	u32 pid, tid;
+	u64 time;
+	u64 addr;
+	u64 id;
+	u64 stream_id;
+	u64 period;
+	u64 weight;
+	u64 transaction;
+	u64 insn_cnt;
+	u64 cyc_cnt;
+	u32 cpu;
+	u32 raw_size;
+	u64 data_src;
+	u64 phys_addr;
+	u64 data_page_size;
+	u64 code_page_size;
+	u64 cgroup;
+	u32 flags;
+	u32 machine_pid;
+	u32 vcpu;
+	u16 insn_len;
+	u8  cpumode;
+	u16 misc;
+	u16 ins_lat;
+	u16 p_stage_cyc;
+	bool no_hw_idx;		/* No hw_idx collected in branch_stack */
+	char insn[MAX_INSN];
+	void *raw_data;
+	struct ip_callchain *callchain;
+	struct branch_stack *branch_stack;
+	struct regs_dump  user_regs;
+	struct regs_dump  intr_regs;
+	struct stack_dump user_stack;
+	struct sample_read read;
+	struct aux_sample aux_sample;
+};
+
+/*
+ * raw_data is always 4 bytes from an 8-byte boundary, so subtract 4 to get
+ * 8-byte alignment.
+ */
+static inline void *perf_sample__synth_ptr(struct perf_sample *sample)
+{
+	return sample->raw_data - 4;
+}
+
+#endif /* __PERF_SAMPLE_H */