b0fde9c6e2
Use total latency info in the SPE counter packet as sample weight so that we can see it in local_weight and (global) weight sort keys. Maybe we can use PERF_SAMPLE_WEIGHT_STRUCT to support ins_lat as well but I'm not sure which latency it matches. So just adding total latency first. Reviewed-by: Leo Yan <leo.yan@linaro.org> Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Andi Kleen <ak@linux.intel.com> Cc: German Gomez <german.gomez@arm.com> Cc: Ian Rogers <irogers@google.com> Cc: James Clark <james.clark@arm.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lore.kernel.org/lkml/20211201220855.1260688-1-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
75 lines
1.4 KiB
C
75 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* arm_spe_decoder.h: Arm Statistical Profiling Extensions support
|
|
* Copyright (c) 2019-2020, Arm Ltd.
|
|
*/
|
|
|
|
#ifndef INCLUDE__ARM_SPE_DECODER_H__
|
|
#define INCLUDE__ARM_SPE_DECODER_H__
|
|
|
|
#include <stdbool.h>
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
#include "arm-spe-pkt-decoder.h"
|
|
|
|
enum arm_spe_sample_type {
|
|
ARM_SPE_L1D_ACCESS = 1 << 0,
|
|
ARM_SPE_L1D_MISS = 1 << 1,
|
|
ARM_SPE_LLC_ACCESS = 1 << 2,
|
|
ARM_SPE_LLC_MISS = 1 << 3,
|
|
ARM_SPE_TLB_ACCESS = 1 << 4,
|
|
ARM_SPE_TLB_MISS = 1 << 5,
|
|
ARM_SPE_BRANCH_MISS = 1 << 6,
|
|
ARM_SPE_REMOTE_ACCESS = 1 << 7,
|
|
};
|
|
|
|
enum arm_spe_op_type {
|
|
ARM_SPE_LD = 1 << 0,
|
|
ARM_SPE_ST = 1 << 1,
|
|
};
|
|
|
|
struct arm_spe_record {
|
|
enum arm_spe_sample_type type;
|
|
int err;
|
|
u32 op;
|
|
u32 latency;
|
|
u64 from_ip;
|
|
u64 to_ip;
|
|
u64 timestamp;
|
|
u64 virt_addr;
|
|
u64 phys_addr;
|
|
u64 context_id;
|
|
};
|
|
|
|
struct arm_spe_insn;
|
|
|
|
struct arm_spe_buffer {
|
|
const unsigned char *buf;
|
|
size_t len;
|
|
u64 offset;
|
|
u64 trace_nr;
|
|
};
|
|
|
|
struct arm_spe_params {
|
|
int (*get_trace)(struct arm_spe_buffer *buffer, void *data);
|
|
void *data;
|
|
};
|
|
|
|
struct arm_spe_decoder {
|
|
int (*get_trace)(struct arm_spe_buffer *buffer, void *data);
|
|
void *data;
|
|
struct arm_spe_record record;
|
|
|
|
const unsigned char *buf;
|
|
size_t len;
|
|
|
|
struct arm_spe_pkt packet;
|
|
};
|
|
|
|
struct arm_spe_decoder *arm_spe_decoder_new(struct arm_spe_params *params);
|
|
void arm_spe_decoder_free(struct arm_spe_decoder *decoder);
|
|
|
|
int arm_spe_decode(struct arm_spe_decoder *decoder);
|
|
|
|
#endif
|