^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * arm_spe_decoder.h: Arm Statistical Profiling Extensions support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (c) 2019-2020, Arm Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #ifndef INCLUDE__ARM_SPE_DECODER_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #define INCLUDE__ARM_SPE_DECODER_H__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <stdbool.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <stddef.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <stdint.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "arm-spe-pkt-decoder.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) enum arm_spe_events {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) EV_EXCEPTION_GEN = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) EV_RETIRED = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) EV_L1D_ACCESS = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) EV_L1D_REFILL = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) EV_TLB_ACCESS = 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) EV_TLB_WALK = 5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) EV_NOT_TAKEN = 6,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) EV_MISPRED = 7,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) EV_LLC_ACCESS = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) EV_LLC_MISS = 9,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) EV_REMOTE_ACCESS = 10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) EV_ALIGNMENT = 11,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) EV_PARTIAL_PREDICATE = 17,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) EV_EMPTY_PREDICATE = 18,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) enum arm_spe_sample_type {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) ARM_SPE_L1D_ACCESS = 1 << 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) ARM_SPE_L1D_MISS = 1 << 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) ARM_SPE_LLC_ACCESS = 1 << 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) ARM_SPE_LLC_MISS = 1 << 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) ARM_SPE_TLB_ACCESS = 1 << 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) ARM_SPE_TLB_MISS = 1 << 5,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) ARM_SPE_BRANCH_MISS = 1 << 6,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) ARM_SPE_REMOTE_ACCESS = 1 << 7,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) struct arm_spe_record {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) enum arm_spe_sample_type type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) u64 from_ip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) u64 to_ip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) u64 timestamp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) struct arm_spe_insn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) struct arm_spe_buffer {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) const unsigned char *buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) size_t len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) u64 offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) u64 trace_nr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) struct arm_spe_params {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) int (*get_trace)(struct arm_spe_buffer *buffer, void *data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) void *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) struct arm_spe_decoder {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) int (*get_trace)(struct arm_spe_buffer *buffer, void *data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) void *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) struct arm_spe_record record;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) const unsigned char *buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) size_t len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) struct arm_spe_pkt packet;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) struct arm_spe_decoder *arm_spe_decoder_new(struct arm_spe_params *params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) void arm_spe_decoder_free(struct arm_spe_decoder *decoder);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) int arm_spe_decode(struct arm_spe_decoder *decoder);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) #endif
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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