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perf auxtrace: Remove dummy tools

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Add perf_session__deliver_synth_attr_event that synthesizes a
perf_record_header_attr event with one id. Remove use of
perf_event__synthesize_attr that necessitates the use of the dummy
tool in order to pass the session.

Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: Adrian Hunter <adrian.hunter@intel.com>
Tested-by: Leo Yan <leo.yan@arm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Ilkka Koskinen <ilkka@os.amperecomputing.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Jonathan Cameron <jonathan.cameron@huawei.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linux.dev>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Nick Terrell <terrelln@fb.com>
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <song@kernel.org>
Cc: Sun Haiyong <sunhaiyong@loongson.cn>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Yanteng Si <siyanteng@loongson.cn>
Cc: Yicong Yang <yangyicong@hisilicon.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20240812204720.631678-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers 2024-08-12 13:46:53 -07:00 committed by Arnaldo Carvalho de Melo
parent 79bcd34e0f
commit 4e322c7855
6 changed files with 41 additions and 123 deletions
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49
tools/perf/util/arm-spe.c
View File

@ -1073,35 +1073,6 @@ static void arm_spe_print_info(__u64 *arr)
fprintf(stdout, arm_spe_info_fmts[ARM_SPE_PMU_TYPE], arr[ARM_SPE_PMU_TYPE]);
}
struct arm_spe_synth {
struct perf_tool dummy_tool;
struct perf_session *session;
};
static int arm_spe_event_synth(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
{
struct arm_spe_synth *arm_spe_synth =
container_of(tool, struct arm_spe_synth, dummy_tool);
return perf_session__deliver_synth_event(arm_spe_synth->session,
event, NULL);
}
static int arm_spe_synth_event(struct perf_session *session,
struct perf_event_attr *attr, u64 id)
{
struct arm_spe_synth arm_spe_synth;
memset(&arm_spe_synth, 0, sizeof(struct arm_spe_synth));
arm_spe_synth.session = session;
return perf_event__synthesize_attr(&arm_spe_synth.dummy_tool, attr, 1,
&id, arm_spe_event_synth);
}
static void arm_spe_set_event_name(struct evlist *evlist, u64 id,
const char *name)
{
@ -1172,7 +1143,7 @@ arm_spe_synth_events(struct arm_spe *spe, struct perf_session *session)
spe->sample_flc = true;
/* Level 1 data cache miss */
err = arm_spe_synth_event(session, &attr, id);
err = perf_session__deliver_synth_attr_event(session, &attr, id);
if (err)
return err;
spe->l1d_miss_id = id;
@ -1180,7 +1151,7 @@ arm_spe_synth_events(struct arm_spe *spe, struct perf_session *session)
id += 1;
/* Level 1 data cache access */
err = arm_spe_synth_event(session, &attr, id);
err = perf_session__deliver_synth_attr_event(session, &attr, id);
if (err)
return err;
spe->l1d_access_id = id;
@ -1192,7 +1163,7 @@ arm_spe_synth_events(struct arm_spe *spe, struct perf_session *session)
spe->sample_llc = true;
/* Last level cache miss */
err = arm_spe_synth_event(session, &attr, id);
err = perf_session__deliver_synth_attr_event(session, &attr, id);
if (err)
return err;
spe->llc_miss_id = id;
@ -1200,7 +1171,7 @@ arm_spe_synth_events(struct arm_spe *spe, struct perf_session *session)
id += 1;
/* Last level cache access */
err = arm_spe_synth_event(session, &attr, id);
err = perf_session__deliver_synth_attr_event(session, &attr, id);
if (err)
return err;
spe->llc_access_id = id;
@ -1212,7 +1183,7 @@ arm_spe_synth_events(struct arm_spe *spe, struct perf_session *session)
spe->sample_tlb = true;
/* TLB miss */
err = arm_spe_synth_event(session, &attr, id);
err = perf_session__deliver_synth_attr_event(session, &attr, id);
if (err)
return err;
spe->tlb_miss_id = id;
@ -1220,7 +1191,7 @@ arm_spe_synth_events(struct arm_spe *spe, struct perf_session *session)
id += 1;
/* TLB access */
err = arm_spe_synth_event(session, &attr, id);
err = perf_session__deliver_synth_attr_event(session, &attr, id);
if (err)
return err;
spe->tlb_access_id = id;
@ -1232,7 +1203,7 @@ arm_spe_synth_events(struct arm_spe *spe, struct perf_session *session)
spe->sample_branch = true;
/* Branch miss */
err = arm_spe_synth_event(session, &attr, id);
err = perf_session__deliver_synth_attr_event(session, &attr, id);
if (err)
return err;
spe->branch_miss_id = id;
@ -1244,7 +1215,7 @@ arm_spe_synth_events(struct arm_spe *spe, struct perf_session *session)
spe->sample_remote_access = true;
/* Remote access */
err = arm_spe_synth_event(session, &attr, id);
err = perf_session__deliver_synth_attr_event(session, &attr, id);
if (err)
return err;
spe->remote_access_id = id;
@ -1255,7 +1226,7 @@ arm_spe_synth_events(struct arm_spe *spe, struct perf_session *session)
if (spe->synth_opts.mem) {
spe->sample_memory = true;
err = arm_spe_synth_event(session, &attr, id);
err = perf_session__deliver_synth_attr_event(session, &attr, id);
if (err)
return err;
spe->memory_id = id;
@ -1276,7 +1247,7 @@ arm_spe_synth_events(struct arm_spe *spe, struct perf_session *session)
attr.config = PERF_COUNT_HW_INSTRUCTIONS;
attr.sample_period = spe->synth_opts.period;
spe->instructions_sample_period = attr.sample_period;
err = arm_spe_synth_event(session, &attr, id);
err = perf_session__deliver_synth_attr_event(session, &attr, id);
if (err)
return err;
spe->instructions_id = id;

33
tools/perf/util/cs-etm.c
View File

@ -1599,35 +1599,6 @@ static int cs_etm__synth_branch_sample(struct cs_etm_queue *etmq,
return ret;
}
struct cs_etm_synth {
struct perf_tool dummy_tool;
struct perf_session *session;
};
static int cs_etm__event_synth(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
{
struct cs_etm_synth *cs_etm_synth =
container_of(tool, struct cs_etm_synth, dummy_tool);
return perf_session__deliver_synth_event(cs_etm_synth->session,
event, NULL);
}
static int cs_etm__synth_event(struct perf_session *session,
struct perf_event_attr *attr, u64 id)
{
struct cs_etm_synth cs_etm_synth;
memset(&cs_etm_synth, 0, sizeof(struct cs_etm_synth));
cs_etm_synth.session = session;
return perf_event__synthesize_attr(&cs_etm_synth.dummy_tool, attr, 1,
&id, cs_etm__event_synth);
}
static int cs_etm__synth_events(struct cs_etm_auxtrace *etm,
struct perf_session *session)
{
@ -1679,7 +1650,7 @@ static int cs_etm__synth_events(struct cs_etm_auxtrace *etm,
attr.config = PERF_COUNT_HW_BRANCH_INSTRUCTIONS;
attr.sample_period = 1;
attr.sample_type |= PERF_SAMPLE_ADDR;
err = cs_etm__synth_event(session, &attr, id);
err = perf_session__deliver_synth_attr_event(session, &attr, id);
if (err)
return err;
etm->branches_sample_type = attr.sample_type;
@ -1702,7 +1673,7 @@ static int cs_etm__synth_events(struct cs_etm_auxtrace *etm,
attr.config = PERF_COUNT_HW_INSTRUCTIONS;
attr.sample_period = etm->synth_opts.period;
etm->instructions_sample_period = attr.sample_period;
err = cs_etm__synth_event(session, &attr, id);
err = perf_session__deliver_synth_attr_event(session, &attr, id);
if (err)
return err;
etm->instructions_sample_type = attr.sample_type;

31
tools/perf/util/intel-bts.c
View File

@ -737,35 +737,6 @@ static bool intel_bts_evsel_is_auxtrace(struct perf_session *session,
return evsel->core.attr.type == bts->pmu_type;
}
struct intel_bts_synth {
struct perf_tool dummy_tool;
struct perf_session *session;
};
static int intel_bts_event_synth(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
{
struct intel_bts_synth *intel_bts_synth =
container_of(tool, struct intel_bts_synth, dummy_tool);
return perf_session__deliver_synth_event(intel_bts_synth->session,
event, NULL);
}
static int intel_bts_synth_event(struct perf_session *session,
struct perf_event_attr *attr, u64 id)
{
struct intel_bts_synth intel_bts_synth;
memset(&intel_bts_synth, 0, sizeof(struct intel_bts_synth));
intel_bts_synth.session = session;
return perf_event__synthesize_attr(&intel_bts_synth.dummy_tool, attr, 1,
&id, intel_bts_event_synth);
}
static int intel_bts_synth_events(struct intel_bts *bts,
struct perf_session *session)
{
@ -814,7 +785,7 @@ static int intel_bts_synth_events(struct intel_bts *bts,
attr.sample_type |= PERF_SAMPLE_ADDR;
pr_debug("Synthesizing 'branches' event with id %" PRIu64 " sample type %#" PRIx64 "\n",
id, (u64)attr.sample_type);
err = intel_bts_synth_event(session, &attr, id);
err = perf_session__deliver_synth_attr_event(session, &attr, id);
if (err) {
pr_err("%s: failed to synthesize 'branches' event type\n",
__func__);

24
tools/perf/util/intel-pt.c
View File

@ -3659,37 +3659,15 @@ static int intel_pt_queue_data(struct perf_session *session,
data_offset, timestamp);
}
struct intel_pt_synth {
struct perf_tool dummy_tool;
struct perf_session *session;
};
static int intel_pt_event_synth(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
{
struct intel_pt_synth *intel_pt_synth =
container_of(tool, struct intel_pt_synth, dummy_tool);
return perf_session__deliver_synth_event(intel_pt_synth->session, event,
NULL);
}
static int intel_pt_synth_event(struct perf_session *session, const char *name,
struct perf_event_attr *attr, u64 id)
{
struct intel_pt_synth intel_pt_synth;
int err;
pr_debug("Synthesizing '%s' event with id %" PRIu64 " sample type %#" PRIx64 "\n",
name, id, (u64)attr->sample_type);
memset(&intel_pt_synth, 0, sizeof(struct intel_pt_synth));
intel_pt_synth.session = session;
err = perf_event__synthesize_attr(&intel_pt_synth.dummy_tool, attr, 1,
&id, intel_pt_event_synth);
err = perf_session__deliver_synth_attr_event(session, attr, id);
if (err)
pr_err("%s: failed to synthesize '%s' event type\n",
__func__, name);

24
tools/perf/util/session.c
View File

@ -1769,6 +1769,30 @@ int perf_session__deliver_synth_event(struct perf_session *session,
return machines__deliver_event(&session->machines, evlist, event, sample, tool, 0, NULL);
}
int perf_session__deliver_synth_attr_event(struct perf_session *session,
const struct perf_event_attr *attr,
u64 id)
{
union {
struct {
struct perf_record_header_attr attr;
u64 ids[1];
} attr_id;
union perf_event ev;
} ev = {
.attr_id.attr.header.type = PERF_RECORD_HEADER_ATTR,
.attr_id.attr.header.size = sizeof(ev.attr_id),
.attr_id.ids[0] = id,
};
if (attr->size != sizeof(ev.attr_id.attr.attr)) {
pr_debug("Unexpected perf_event_attr size\n");
return -EINVAL;
}
ev.attr_id.attr.attr = *attr;
return perf_session__deliver_synth_event(session, &ev.ev, NULL);
}
static void event_swap(union perf_event *event, bool sample_id_all)
{
perf_event__swap_op swap;

3
tools/perf/util/session.h
View File

@ -154,6 +154,9 @@ extern volatile int session_done;
int perf_session__deliver_synth_event(struct perf_session *session,
union perf_event *event,
struct perf_sample *sample);
int perf_session__deliver_synth_attr_event(struct perf_session *session,
const struct perf_event_attr *attr,
u64 id);
int perf_session__dsos_hit_all(struct perf_session *session);