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perf arm-spe: Dump metadata with version 2

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This commit dumps metadata with version 2. It dumps metadata for header
and per CPU data respectively in the arm_spe_print_info() function to
support metadata version 2 format.

After:

  0 0 0x3c0 [0x1b0]: PERF_RECORD_AUXTRACE_INFO type: 4
  Header version     :2
  Header size        :4
  PMU type v2        :13
  CPU number         :8
    Magic            :0x1010101010101010
    CPU #            :0
    Num of params    :3
    MIDR             :0x410fd801
    PMU Type         :-1
    Min Interval     :0
    Magic            :0x1010101010101010
    CPU #            :1
    Num of params    :3
    MIDR             :0x410fd801
    PMU Type         :-1
    Min Interval     :0
    Magic            :0x1010101010101010
    CPU #            :2
    Num of params    :3
    MIDR             :0x410fd870
    PMU Type         :13
    Min Interval     :1024
    Magic            :0x1010101010101010
    CPU #            :3
    Num of params    :3
    MIDR             :0x410fd870
    PMU Type         :13
    Min Interval     :1024
    Magic            :0x1010101010101010
    CPU #            :4
    Num of params    :3
    MIDR             :0x410fd870
    PMU Type         :13
    Min Interval     :1024
    Magic            :0x1010101010101010
    CPU #            :5
    Num of params    :3
    MIDR             :0x410fd870
    PMU Type         :13
    Min Interval     :1024
    Magic            :0x1010101010101010
    CPU #            :6
    Num of params    :3
    MIDR             :0x410fd850
    PMU Type         :-1
    Min Interval     :0
    Magic            :0x1010101010101010
    CPU #            :7
    Num of params    :3
    MIDR             :0x410fd850
    PMU Type         :-1
    Min Interval     :0

Signed-off-by: Leo Yan <leo.yan@arm.com>
Reviewed-by: James Clark <james.clark@linaro.org>
Cc: Will Deacon <will@kernel.org>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Besar Wicaksono <bwicaksono@nvidia.com>
Cc: John Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20241003184302.190806-6-leo.yan@arm.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
Leo Yan
2024-10-03 19:43:02 +01:00
committed by Namhyung Kim
parent 7842a4b6ff
commit e52abceb4b
1 changed files with 49 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

54
tools/perf/util/arm-spe.c
View File

@@ -1133,16 +1133,60 @@ static bool arm_spe_evsel_is_auxtrace(struct perf_session *session,
return evsel->core.attr.type == spe->pmu_type;
}
static const char * const arm_spe_info_fmts[] = {
[ARM_SPE_PMU_TYPE] = " PMU Type %"PRId64"\n",
static const char * const metadata_hdr_v1_fmts[] = {
[ARM_SPE_PMU_TYPE] = " PMU Type :%"PRId64"\n",
[ARM_SPE_PER_CPU_MMAPS] = " Per CPU mmaps :%"PRId64"\n",
};
static void arm_spe_print_info(__u64 *arr)
static const char * const metadata_hdr_fmts[] = {
[ARM_SPE_HEADER_VERSION] = " Header version :%"PRId64"\n",
[ARM_SPE_HEADER_SIZE] = " Header size :%"PRId64"\n",
[ARM_SPE_PMU_TYPE_V2] = " PMU type v2 :%"PRId64"\n",
[ARM_SPE_CPUS_NUM] = " CPU number :%"PRId64"\n",
};
static const char * const metadata_per_cpu_fmts[] = {
[ARM_SPE_MAGIC] = " Magic :0x%"PRIx64"\n",
[ARM_SPE_CPU] = " CPU # :%"PRId64"\n",
[ARM_SPE_CPU_NR_PARAMS] = " Num of params :%"PRId64"\n",
[ARM_SPE_CPU_MIDR] = " MIDR :0x%"PRIx64"\n",
[ARM_SPE_CPU_PMU_TYPE] = " PMU Type :%"PRId64"\n",
[ARM_SPE_CAP_MIN_IVAL] = " Min Interval :%"PRId64"\n",
};
static void arm_spe_print_info(struct arm_spe *spe, __u64 *arr)
{
unsigned int i, cpu, hdr_size, cpu_num, cpu_size;
const char * const *hdr_fmts;
if (!dump_trace)
return;
fprintf(stdout, arm_spe_info_fmts[ARM_SPE_PMU_TYPE], arr[ARM_SPE_PMU_TYPE]);
if (spe->metadata_ver == 1) {
cpu_num = 0;
hdr_size = ARM_SPE_AUXTRACE_V1_PRIV_MAX;
hdr_fmts = metadata_hdr_v1_fmts;
} else {
cpu_num = arr[ARM_SPE_CPUS_NUM];
hdr_size = arr[ARM_SPE_HEADER_SIZE];
hdr_fmts = metadata_hdr_fmts;
}
for (i = 0; i < hdr_size; i++)
fprintf(stdout, hdr_fmts[i], arr[i]);
arr += hdr_size;
for (cpu = 0; cpu < cpu_num; cpu++) {
/*
* The parameters from ARM_SPE_MAGIC to ARM_SPE_CPU_NR_PARAMS
* are fixed. The sequential parameter size is decided by the
* field 'ARM_SPE_CPU_NR_PARAMS'.
*/
cpu_size = (ARM_SPE_CPU_NR_PARAMS + 1) + arr[ARM_SPE_CPU_NR_PARAMS];
for (i = 0; i < cpu_size; i++)
fprintf(stdout, metadata_per_cpu_fmts[i], arr[i]);
arr += cpu_size;
}
}
static void arm_spe_set_event_name(struct evlist *evlist, u64 id,
@@ -1407,7 +1451,7 @@ int arm_spe_process_auxtrace_info(union perf_event *event,
spe->auxtrace.evsel_is_auxtrace = arm_spe_evsel_is_auxtrace;
session->auxtrace = &spe->auxtrace;
arm_spe_print_info(&auxtrace_info->priv[0]);
arm_spe_print_info(spe, &auxtrace_info->priv[0]);
if (dump_trace)
return 0;