From: Leo Yan <leo.yan@linaro.org> To: Arnaldo Carvalho de Melo <acme@kernel.org>, Andre Przywara <andre.przywara@arm.com>, Dave Martin <Dave.Martin@arm.com>, James Clark <james.clark@arm.com>, Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>, Mark Rutland <mark.rutland@arm.com>, Alexander Shishkin <alexander.shishkin@linux.intel.com>, Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>, Al Grant <Al.Grant@arm.com>, Wei Li <liwei391@huawei.com>, John Garry <john.garry@huawei.com>, Will Deacon <will@kernel.org>, Mathieu Poirier <mathieu.poirier@linaro.org>, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Leo Yan <leo.yan@linaro.org> Subject: [PATCH v9 13/16] perf arm-spe: Refactor operation packet handling Date: Thu, 19 Nov 2020 23:24:38 +0800 [thread overview] Message-ID: <20201119152441.6972-14-leo.yan@linaro.org> (raw) In-Reply-To: <20201119152441.6972-1-leo.yan@linaro.org> Defines macros for operation packet header and formats (support sub classes for 'other', 'branch', 'load and store', etc). Uses these macros for operation packet decoding and dumping. Signed-off-by: Leo Yan <leo.yan@linaro.org> Reviewed-by: Andre Przywara <andre.przywara@arm.com> --- .../arm-spe-decoder/arm-spe-pkt-decoder.c | 26 ++++++++++--------- .../arm-spe-decoder/arm-spe-pkt-decoder.h | 23 ++++++++++++++++ 2 files changed, 37 insertions(+), 12 deletions(-) diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c index d6c060f119b4..1d1354a0eef4 100644 --- a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c +++ b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c @@ -144,7 +144,7 @@ static int arm_spe_get_op_type(const unsigned char *buf, size_t len, struct arm_spe_pkt *packet) { packet->type = ARM_SPE_OP_TYPE; - packet->index = buf[0] & 0x3; + packet->index = SPE_OP_PKT_HDR_CLASS(buf[0]); return arm_spe_get_payload(buf, len, 0, packet); } @@ -328,31 +328,33 @@ static int arm_spe_pkt_desc_op_type(const struct arm_spe_pkt *packet, int err = 0; switch (packet->index) { - case 0: + case SPE_OP_PKT_HDR_CLASS_OTHER: arm_spe_pkt_out_string(&err, &buf, &buf_len, - payload & 0x1 ? "COND-SELECT" : "INSN-OTHER"); + payload & SPE_OP_PKT_COND ? "COND-SELECT" : "INSN-OTHER"); break; - case 1: + case SPE_OP_PKT_HDR_CLASS_LD_ST_ATOMIC: arm_spe_pkt_out_string(&err, &buf, &buf_len, payload & 0x1 ? "ST" : "LD"); - if (payload & 0x2) { - if (payload & 0x4) + if (SPE_OP_PKT_IS_LDST_ATOMIC(payload)) { + if (payload & SPE_OP_PKT_AT) arm_spe_pkt_out_string(&err, &buf, &buf_len, " AT"); - if (payload & 0x8) + if (payload & SPE_OP_PKT_EXCL) arm_spe_pkt_out_string(&err, &buf, &buf_len, " EXCL"); - if (payload & 0x10) + if (payload & SPE_OP_PKT_AR) arm_spe_pkt_out_string(&err, &buf, &buf_len, " AR"); - } else if (payload & 0x4) { + } else if (SPE_OP_PKT_LDST_SUBCLASS_GET(payload) == + SPE_OP_PKT_LDST_SUBCLASS_SIMD_FP) { arm_spe_pkt_out_string(&err, &buf, &buf_len, " SIMD-FP"); } break; - case 2: + case SPE_OP_PKT_HDR_CLASS_BR_ERET: arm_spe_pkt_out_string(&err, &buf, &buf_len, "B"); - if (payload & 0x1) + if (payload & SPE_OP_PKT_COND) arm_spe_pkt_out_string(&err, &buf, &buf_len, " COND"); - if (payload & 0x2) + + if (SPE_OP_PKT_IS_INDIRECT_BRANCH(payload)) arm_spe_pkt_out_string(&err, &buf, &buf_len, " IND"); break; diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h index 42ed4e61ede2..7032fc141ad4 100644 --- a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h +++ b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h @@ -105,6 +105,29 @@ enum arm_spe_events { EV_EMPTY_PREDICATE = 18, }; +/* Operation packet header */ +#define SPE_OP_PKT_HDR_CLASS(h) ((h) & GENMASK_ULL(1, 0)) +#define SPE_OP_PKT_HDR_CLASS_OTHER 0x0 +#define SPE_OP_PKT_HDR_CLASS_LD_ST_ATOMIC 0x1 +#define SPE_OP_PKT_HDR_CLASS_BR_ERET 0x2 + +#define SPE_OP_PKT_COND BIT(0) + +#define SPE_OP_PKT_LDST_SUBCLASS_GET(v) ((v) & GENMASK_ULL(7, 1)) +#define SPE_OP_PKT_LDST_SUBCLASS_GP_REG 0x0 +#define SPE_OP_PKT_LDST_SUBCLASS_SIMD_FP 0x4 +#define SPE_OP_PKT_LDST_SUBCLASS_UNSPEC_REG 0x10 +#define SPE_OP_PKT_LDST_SUBCLASS_NV_SYSREG 0x30 + +#define SPE_OP_PKT_IS_LDST_ATOMIC(v) (((v) & (GENMASK_ULL(7, 5) | BIT(1))) == 0x2) + +#define SPE_OP_PKT_AR BIT(4) +#define SPE_OP_PKT_EXCL BIT(3) +#define SPE_OP_PKT_AT BIT(2) +#define SPE_OP_PKT_ST BIT(0) + +#define SPE_OP_PKT_IS_INDIRECT_BRANCH(v) (((v) & GENMASK_ULL(7, 1)) == 0x2) + const char *arm_spe_pkt_name(enum arm_spe_pkt_type); int arm_spe_get_packet(const unsigned char *buf, size_t len, -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Leo Yan <leo.yan@linaro.org> To: Arnaldo Carvalho de Melo <acme@kernel.org>, Andre Przywara <andre.przywara@arm.com>, Dave Martin <Dave.Martin@arm.com>, James Clark <james.clark@arm.com>, Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>, Mark Rutland <mark.rutland@arm.com>, Alexander Shishkin <alexander.shishkin@linux.intel.com>, Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>, Al Grant <Al.Grant@arm.com>, Wei Li <liwei391@huawei.com>, John Garry <john.garry@huawei.com>, Will Deacon <will@kernel.org>, Mathieu Poirier <mathieu.poirier@linaro.org>, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Leo Yan <leo.yan@linaro.org> Subject: [PATCH v9 13/16] perf arm-spe: Refactor operation packet handling Date: Thu, 19 Nov 2020 23:24:38 +0800 [thread overview] Message-ID: <20201119152441.6972-14-leo.yan@linaro.org> (raw) In-Reply-To: <20201119152441.6972-1-leo.yan@linaro.org> Defines macros for operation packet header and formats (support sub classes for 'other', 'branch', 'load and store', etc). Uses these macros for operation packet decoding and dumping. Signed-off-by: Leo Yan <leo.yan@linaro.org> Reviewed-by: Andre Przywara <andre.przywara@arm.com> --- .../arm-spe-decoder/arm-spe-pkt-decoder.c | 26 ++++++++++--------- .../arm-spe-decoder/arm-spe-pkt-decoder.h | 23 ++++++++++++++++ 2 files changed, 37 insertions(+), 12 deletions(-) diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c index d6c060f119b4..1d1354a0eef4 100644 --- a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c +++ b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c @@ -144,7 +144,7 @@ static int arm_spe_get_op_type(const unsigned char *buf, size_t len, struct arm_spe_pkt *packet) { packet->type = ARM_SPE_OP_TYPE; - packet->index = buf[0] & 0x3; + packet->index = SPE_OP_PKT_HDR_CLASS(buf[0]); return arm_spe_get_payload(buf, len, 0, packet); } @@ -328,31 +328,33 @@ static int arm_spe_pkt_desc_op_type(const struct arm_spe_pkt *packet, int err = 0; switch (packet->index) { - case 0: + case SPE_OP_PKT_HDR_CLASS_OTHER: arm_spe_pkt_out_string(&err, &buf, &buf_len, - payload & 0x1 ? "COND-SELECT" : "INSN-OTHER"); + payload & SPE_OP_PKT_COND ? "COND-SELECT" : "INSN-OTHER"); break; - case 1: + case SPE_OP_PKT_HDR_CLASS_LD_ST_ATOMIC: arm_spe_pkt_out_string(&err, &buf, &buf_len, payload & 0x1 ? "ST" : "LD"); - if (payload & 0x2) { - if (payload & 0x4) + if (SPE_OP_PKT_IS_LDST_ATOMIC(payload)) { + if (payload & SPE_OP_PKT_AT) arm_spe_pkt_out_string(&err, &buf, &buf_len, " AT"); - if (payload & 0x8) + if (payload & SPE_OP_PKT_EXCL) arm_spe_pkt_out_string(&err, &buf, &buf_len, " EXCL"); - if (payload & 0x10) + if (payload & SPE_OP_PKT_AR) arm_spe_pkt_out_string(&err, &buf, &buf_len, " AR"); - } else if (payload & 0x4) { + } else if (SPE_OP_PKT_LDST_SUBCLASS_GET(payload) == + SPE_OP_PKT_LDST_SUBCLASS_SIMD_FP) { arm_spe_pkt_out_string(&err, &buf, &buf_len, " SIMD-FP"); } break; - case 2: + case SPE_OP_PKT_HDR_CLASS_BR_ERET: arm_spe_pkt_out_string(&err, &buf, &buf_len, "B"); - if (payload & 0x1) + if (payload & SPE_OP_PKT_COND) arm_spe_pkt_out_string(&err, &buf, &buf_len, " COND"); - if (payload & 0x2) + + if (SPE_OP_PKT_IS_INDIRECT_BRANCH(payload)) arm_spe_pkt_out_string(&err, &buf, &buf_len, " IND"); break; diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h index 42ed4e61ede2..7032fc141ad4 100644 --- a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h +++ b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h @@ -105,6 +105,29 @@ enum arm_spe_events { EV_EMPTY_PREDICATE = 18, }; +/* Operation packet header */ +#define SPE_OP_PKT_HDR_CLASS(h) ((h) & GENMASK_ULL(1, 0)) +#define SPE_OP_PKT_HDR_CLASS_OTHER 0x0 +#define SPE_OP_PKT_HDR_CLASS_LD_ST_ATOMIC 0x1 +#define SPE_OP_PKT_HDR_CLASS_BR_ERET 0x2 + +#define SPE_OP_PKT_COND BIT(0) + +#define SPE_OP_PKT_LDST_SUBCLASS_GET(v) ((v) & GENMASK_ULL(7, 1)) +#define SPE_OP_PKT_LDST_SUBCLASS_GP_REG 0x0 +#define SPE_OP_PKT_LDST_SUBCLASS_SIMD_FP 0x4 +#define SPE_OP_PKT_LDST_SUBCLASS_UNSPEC_REG 0x10 +#define SPE_OP_PKT_LDST_SUBCLASS_NV_SYSREG 0x30 + +#define SPE_OP_PKT_IS_LDST_ATOMIC(v) (((v) & (GENMASK_ULL(7, 5) | BIT(1))) == 0x2) + +#define SPE_OP_PKT_AR BIT(4) +#define SPE_OP_PKT_EXCL BIT(3) +#define SPE_OP_PKT_AT BIT(2) +#define SPE_OP_PKT_ST BIT(0) + +#define SPE_OP_PKT_IS_INDIRECT_BRANCH(v) (((v) & GENMASK_ULL(7, 1)) == 0x2) + const char *arm_spe_pkt_name(enum arm_spe_pkt_type); int arm_spe_get_packet(const unsigned char *buf, size_t len, -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-11-19 15:26 UTC|newest] Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-11-19 15:24 [PATCH v9 00/16] perf arm-spe: Refactor decoding & dumping flow Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 01/16] perf arm-spe: Refactor printing string to buffer Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-26 12:11 ` Arnaldo Carvalho de Melo 2020-11-26 12:11 ` Arnaldo Carvalho de Melo 2020-11-26 14:31 ` Leo Yan 2020-11-26 14:31 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 02/16] perf arm-spe: Refactor packet header parsing Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 03/16] perf arm-spe: Add new function arm_spe_pkt_desc_addr() Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 04/16] perf arm-spe: Refactor address packet handling Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 05/16] perf arm_spe: Fixup top byte for data virtual address Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 06/16] perf arm-spe: Refactor context packet handling Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 07/16] perf arm-spe: Add new function arm_spe_pkt_desc_counter() Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 08/16] perf arm-spe: Refactor counter packet handling Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 09/16] perf arm-spe: Add new function arm_spe_pkt_desc_event() Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 10/16] perf arm-spe: Refactor event type handling Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 11/16] perf arm-spe: Remove size condition checking for events Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 12/16] perf arm-spe: Add new function arm_spe_pkt_desc_op_type() Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` Leo Yan [this message] 2020-11-19 15:24 ` [PATCH v9 13/16] perf arm-spe: Refactor operation packet handling Leo Yan 2020-11-19 15:24 ` [PATCH v9 14/16] perf arm-spe: Add more sub classes for operation packet Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 15/16] perf arm_spe: Decode memory tagging properties Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-19 15:24 ` [PATCH v9 16/16] perf arm-spe: Add support for ARMv8.3-SPE Leo Yan 2020-11-19 15:24 ` Leo Yan 2020-11-25 14:17 ` [PATCH v9 00/16] perf arm-spe: Refactor decoding & dumping flow Will Deacon 2020-11-25 14:17 ` Will Deacon 2020-11-26 12:10 ` Arnaldo Carvalho de Melo 2020-11-26 12:10 ` Arnaldo Carvalho de Melo 2020-11-26 14:30 ` Leo Yan 2020-11-26 14:30 ` Leo Yan
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