Decode SPE Data Source packets on AmpereOne. The field is IMPDEF.
Signed-off-by: Ilkka Koskinen <ilkka@os.amperecomputing.com>
---
.../util/arm-spe-decoder/arm-spe-decoder.h | 9 +++++
tools/perf/util/arm-spe.c | 39 +++++++++++++++++++
2 files changed, 48 insertions(+)
diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
index 358c611eeddb..4bcd627e859f 100644
--- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
+++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
@@ -67,6 +67,15 @@ enum arm_spe_common_data_source {
ARM_SPE_COMMON_DS_DRAM = 0xe,
};
+enum arm_spe_ampereone_data_source {
+ ARM_SPE_AMPEREONE_LOCAL_CHIP_CACHE_OR_DEVICE = 0x0,
+ ARM_SPE_AMPEREONE_SLC = 0x3,
+ ARM_SPE_AMPEREONE_REMOTE_CHIP_CACHE = 0x5,
+ ARM_SPE_AMPEREONE_DDR = 0x7,
+ ARM_SPE_AMPEREONE_L1D = 0x8,
+ ARM_SPE_AMPEREONE_L2D = 0x9,
+};
+
struct arm_spe_record {
enum arm_spe_sample_type type;
int err;
diff --git a/tools/perf/util/arm-spe.c b/tools/perf/util/arm-spe.c
index b222557cc27a..40847a3d18b0 100644
--- a/tools/perf/util/arm-spe.c
+++ b/tools/perf/util/arm-spe.c
@@ -531,6 +531,44 @@ static void arm_spe__synth_data_source_common(const struct arm_spe_record *recor
}
}
+/*
+ * Source is IMPDEF. Here we convert the source code used on AmpereOne cores
+ * to the common (Neoverse, Cortex) to avoid duplicating the decoding code.
+ */
+static void arm_spe__synth_data_source_ampereone(const struct arm_spe_record *record,
+ union perf_mem_data_src *data_src)
+{
+ struct arm_spe_record common_record;
+
+ switch (record->source) {
+ case ARM_SPE_AMPEREONE_LOCAL_CHIP_CACHE_OR_DEVICE:
+ common_record.source = ARM_SPE_COMMON_DS_PEER_CORE;
+ break;
+ case ARM_SPE_AMPEREONE_SLC:
+ common_record.source = ARM_SPE_COMMON_DS_SYS_CACHE;
+ break;
+ case ARM_SPE_AMPEREONE_REMOTE_CHIP_CACHE:
+ common_record.source = ARM_SPE_COMMON_DS_REMOTE;
+ break;
+ case ARM_SPE_AMPEREONE_DDR:
+ common_record.source = ARM_SPE_COMMON_DS_DRAM;
+ break;
+ case ARM_SPE_AMPEREONE_L1D:
+ common_record.source = ARM_SPE_COMMON_DS_L1D;
+ break;
+ case ARM_SPE_AMPEREONE_L2D:
+ common_record.source = ARM_SPE_COMMON_DS_L2;
+ break;
+ default:
+ /* Assign a bogus value that's not used for common coding */
+ common_record.source = 0xffff;
+ break;
+ }
+
+ common_record.op = record->op;
+ arm_spe__synth_data_source_common(&common_record, data_src);
+}
+
static const struct data_src data_sources[] = {
DS(MIDR_ALL_VERSIONS(MIDR_CORTEX_A720), data_source_common),
DS(MIDR_ALL_VERSIONS(MIDR_CORTEX_A725), data_source_common),
@@ -541,6 +579,7 @@ static const struct data_src data_sources[] = {
DS(MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N2), data_source_common),
DS(MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V1), data_source_common),
DS(MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V2), data_source_common),
+ DS(MIDR_ALL_VERSIONS(MIDR_AMPERE1A), data_source_ampereone),
{},
};
--
2.47.0On Wed, Nov 06, 2024 at 07:37:40PM +0000, Ilkka Koskinen wrote:
> Warning: EXTERNAL SENDER, use caution when opening links or attachments.
>
>
> Decode SPE Data Source packets on AmpereOne. The field is IMPDEF.
>
> Signed-off-by: Ilkka Koskinen <ilkka@os.amperecomputing.com>
> ---
> .../util/arm-spe-decoder/arm-spe-decoder.h | 9 +++++
> tools/perf/util/arm-spe.c | 39 +++++++++++++++++++
> 2 files changed, 48 insertions(+)
>
> diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
> index 358c611eeddb..4bcd627e859f 100644
> --- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
> +++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
> @@ -67,6 +67,15 @@ enum arm_spe_common_data_source {
> ARM_SPE_COMMON_DS_DRAM = 0xe,
> };
>
> +enum arm_spe_ampereone_data_source {
> + ARM_SPE_AMPEREONE_LOCAL_CHIP_CACHE_OR_DEVICE = 0x0,
> + ARM_SPE_AMPEREONE_SLC = 0x3,
> + ARM_SPE_AMPEREONE_REMOTE_CHIP_CACHE = 0x5,
> + ARM_SPE_AMPEREONE_DDR = 0x7,
> + ARM_SPE_AMPEREONE_L1D = 0x8,
> + ARM_SPE_AMPEREONE_L2D = 0x9,
> +};
> +
> struct arm_spe_record {
> enum arm_spe_sample_type type;
> int err;
> diff --git a/tools/perf/util/arm-spe.c b/tools/perf/util/arm-spe.c
> index b222557cc27a..40847a3d18b0 100644
> --- a/tools/perf/util/arm-spe.c
> +++ b/tools/perf/util/arm-spe.c
> @@ -531,6 +531,44 @@ static void arm_spe__synth_data_source_common(const struct arm_spe_record *recor
> }
> }
>
> +/*
> + * Source is IMPDEF. Here we convert the source code used on AmpereOne cores
> + * to the common (Neoverse, Cortex) to avoid duplicating the decoding code.
> + */
> +static void arm_spe__synth_data_source_ampereone(const struct arm_spe_record *record,
> + union perf_mem_data_src *data_src)
> +{
> + struct arm_spe_record common_record;
> +
> + switch (record->source) {
> + case ARM_SPE_AMPEREONE_LOCAL_CHIP_CACHE_OR_DEVICE:
> + common_record.source = ARM_SPE_COMMON_DS_PEER_CORE;
> + break;
> + case ARM_SPE_AMPEREONE_SLC:
> + common_record.source = ARM_SPE_COMMON_DS_SYS_CACHE;
> + break;
> + case ARM_SPE_AMPEREONE_REMOTE_CHIP_CACHE:
> + common_record.source = ARM_SPE_COMMON_DS_REMOTE;
> + break;
> + case ARM_SPE_AMPEREONE_DDR:
> + common_record.source = ARM_SPE_COMMON_DS_DRAM;
> + break;
> + case ARM_SPE_AMPEREONE_L1D:
> + common_record.source = ARM_SPE_COMMON_DS_L1D;
> + break;
> + case ARM_SPE_AMPEREONE_L2D:
> + common_record.source = ARM_SPE_COMMON_DS_L2;
> + break;
> + default:
> + /* Assign a bogus value that's not used for common coding */
> + common_record.source = 0xffff;
For unsupported source value, just bail out and no need to calling
arm_spe__synth_data_source_common().
It is good to use pr_warning_once() to print out warning log to remind
users.
Thanks,
Leo
> + break;
> + }
> +
> + common_record.op = record->op;
> + arm_spe__synth_data_source_common(&common_record, data_src);
> +}
> +
> static const struct data_src data_sources[] = {
> DS(MIDR_ALL_VERSIONS(MIDR_CORTEX_A720), data_source_common),
> DS(MIDR_ALL_VERSIONS(MIDR_CORTEX_A725), data_source_common),
> @@ -541,6 +579,7 @@ static const struct data_src data_sources[] = {
> DS(MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N2), data_source_common),
> DS(MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V1), data_source_common),
> DS(MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V2), data_source_common),
> + DS(MIDR_ALL_VERSIONS(MIDR_AMPERE1A), data_source_ampereone),
> {},
> };
>
> --
> 2.47.0
>
>
On Thu, 7 Nov 2024, Leo Yan wrote:
> On Wed, Nov 06, 2024 at 07:37:40PM +0000, Ilkka Koskinen wrote:
>> Warning: EXTERNAL SENDER, use caution when opening links or attachments.
>>
>>
>> Decode SPE Data Source packets on AmpereOne. The field is IMPDEF.
>>
>> Signed-off-by: Ilkka Koskinen <ilkka@os.amperecomputing.com>
>> ---
>> .../util/arm-spe-decoder/arm-spe-decoder.h | 9 +++++
>> tools/perf/util/arm-spe.c | 39 +++++++++++++++++++
>> 2 files changed, 48 insertions(+)
>>
>> diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
>> index 358c611eeddb..4bcd627e859f 100644
>> --- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
>> +++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
>> @@ -67,6 +67,15 @@ enum arm_spe_common_data_source {
>> ARM_SPE_COMMON_DS_DRAM = 0xe,
>> };
>>
>> +enum arm_spe_ampereone_data_source {
>> + ARM_SPE_AMPEREONE_LOCAL_CHIP_CACHE_OR_DEVICE = 0x0,
>> + ARM_SPE_AMPEREONE_SLC = 0x3,
>> + ARM_SPE_AMPEREONE_REMOTE_CHIP_CACHE = 0x5,
>> + ARM_SPE_AMPEREONE_DDR = 0x7,
>> + ARM_SPE_AMPEREONE_L1D = 0x8,
>> + ARM_SPE_AMPEREONE_L2D = 0x9,
>> +};
>> +
>> struct arm_spe_record {
>> enum arm_spe_sample_type type;
>> int err;
>> diff --git a/tools/perf/util/arm-spe.c b/tools/perf/util/arm-spe.c
>> index b222557cc27a..40847a3d18b0 100644
>> --- a/tools/perf/util/arm-spe.c
>> +++ b/tools/perf/util/arm-spe.c
>> @@ -531,6 +531,44 @@ static void arm_spe__synth_data_source_common(const struct arm_spe_record *recor
>> }
>> }
>>
>> +/*
>> + * Source is IMPDEF. Here we convert the source code used on AmpereOne cores
>> + * to the common (Neoverse, Cortex) to avoid duplicating the decoding code.
>> + */
>> +static void arm_spe__synth_data_source_ampereone(const struct arm_spe_record *record,
>> + union perf_mem_data_src *data_src)
>> +{
>> + struct arm_spe_record common_record;
>> +
>> + switch (record->source) {
>> + case ARM_SPE_AMPEREONE_LOCAL_CHIP_CACHE_OR_DEVICE:
>> + common_record.source = ARM_SPE_COMMON_DS_PEER_CORE;
>> + break;
>> + case ARM_SPE_AMPEREONE_SLC:
>> + common_record.source = ARM_SPE_COMMON_DS_SYS_CACHE;
>> + break;
>> + case ARM_SPE_AMPEREONE_REMOTE_CHIP_CACHE:
>> + common_record.source = ARM_SPE_COMMON_DS_REMOTE;
>> + break;
>> + case ARM_SPE_AMPEREONE_DDR:
>> + common_record.source = ARM_SPE_COMMON_DS_DRAM;
>> + break;
>> + case ARM_SPE_AMPEREONE_L1D:
>> + common_record.source = ARM_SPE_COMMON_DS_L1D;
>> + break;
>> + case ARM_SPE_AMPEREONE_L2D:
>> + common_record.source = ARM_SPE_COMMON_DS_L2;
>> + break;
>> + default:
>> + /* Assign a bogus value that's not used for common coding */
>> + common_record.source = 0xffff;
>
> For unsupported source value, just bail out and no need to calling
> arm_spe__synth_data_source_common().
>
> It is good to use pr_warning_once() to print out warning log to remind
> users.
Hi Leo,
Makes sense, I'll do that.
--Ilkka
>
> Thanks,
> Leo
>
>> + break;
>> + }
>> +
>> + common_record.op = record->op;
>> + arm_spe__synth_data_source_common(&common_record, data_src);
>> +}
>> +
>> static const struct data_src data_sources[] = {
>> DS(MIDR_ALL_VERSIONS(MIDR_CORTEX_A720), data_source_common),
>> DS(MIDR_ALL_VERSIONS(MIDR_CORTEX_A725), data_source_common),
>> @@ -541,6 +579,7 @@ static const struct data_src data_sources[] = {
>> DS(MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N2), data_source_common),
>> DS(MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V1), data_source_common),
>> DS(MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V2), data_source_common),
>> + DS(MIDR_ALL_VERSIONS(MIDR_AMPERE1A), data_source_ampereone),
>> {},
>> };
>>
>> --
>> 2.47.0
>>
>>
>
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