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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /tools/perf/util/arm-spe-decoder/arm-spe-decoder.h | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/util/arm-spe-decoder/arm-spe-decoder.h')
-rw-r--r-- | tools/perf/util/arm-spe-decoder/arm-spe-decoder.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h new file mode 100644 index 000000000..a5111a8d4 --- /dev/null +++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h @@ -0,0 +1,82 @@ +/* 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_events { + EV_EXCEPTION_GEN = 0, + EV_RETIRED = 1, + EV_L1D_ACCESS = 2, + EV_L1D_REFILL = 3, + EV_TLB_ACCESS = 4, + EV_TLB_WALK = 5, + EV_NOT_TAKEN = 6, + EV_MISPRED = 7, + EV_LLC_ACCESS = 8, + EV_LLC_MISS = 9, + EV_REMOTE_ACCESS = 10, + EV_ALIGNMENT = 11, + EV_PARTIAL_PREDICATE = 17, + EV_EMPTY_PREDICATE = 18, +}; + +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, +}; + +struct arm_spe_record { + enum arm_spe_sample_type type; + int err; + u64 from_ip; + u64 to_ip; + u64 timestamp; +}; + +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 |