Add the base PMU calls necessary for hwmon_pmu(s) to be
created/deleted and events found, listed, opened and read.
Signed-off-by: Ian Rogers <irogers@google.com>
---
tools/perf/util/evsel.c | 9 +++++++++
tools/perf/util/pmu.c | 20 ++++++++++++++++++++
tools/perf/util/pmus.c | 2 ++
3 files changed, 31 insertions(+)
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index ed0d4d20e357..f5e528a5d177 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -50,6 +50,7 @@
#include "off_cpu.h"
#include "pmu.h"
#include "pmus.h"
+#include "hwmon_pmu.h"
#include "tool_pmu.h"
#include "rlimit.h"
#include "../perf-sys.h"
@@ -1680,6 +1681,9 @@ int evsel__read_counter(struct evsel *evsel, int cpu_map_idx, int thread)
if (evsel__is_tool(evsel))
return evsel__tool_pmu_read(evsel, cpu_map_idx, thread);
+ if (evsel__is_hwmon(evsel))
+ return evsel__hwmon_pmu_read(evsel, cpu_map_idx, thread);
+
if (evsel__is_retire_lat(evsel))
return evsel__read_retire_lat(evsel, cpu_map_idx, thread);
@@ -2124,6 +2128,11 @@ static int evsel__open_cpu(struct evsel *evsel, struct perf_cpu_map *cpus,
start_cpu_map_idx,
end_cpu_map_idx);
}
+ if (evsel__is_hwmon(evsel)) {
+ return evsel__hwmon_pmu_open(evsel, threads,
+ start_cpu_map_idx,
+ end_cpu_map_idx);
+ }
for (idx = start_cpu_map_idx; idx < end_cpu_map_idx; idx++) {
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 0789758598c0..a02df2c80f42 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -18,6 +18,7 @@
#include "debug.h"
#include "evsel.h"
#include "pmu.h"
+#include "hwmon_pmu.h"
#include "pmus.h"
#include "tool_pmu.h"
#include <util/pmu-bison.h>
@@ -1529,6 +1530,9 @@ int perf_pmu__config_terms(const struct perf_pmu *pmu,
{
struct parse_events_term *term;
+ if (perf_pmu__is_hwmon(pmu))
+ return hwmon_pmu__config_terms(pmu, attr, terms, err);
+
list_for_each_entry(term, &terms->terms, list) {
if (pmu_config_term(pmu, attr, term, terms, zero, apply_hardcoded, err))
return -EINVAL;
@@ -1661,6 +1665,11 @@ int perf_pmu__check_alias(struct perf_pmu *pmu, struct parse_events_terms *head_
info->scale = 0.0;
info->snapshot = false;
+ if (perf_pmu__is_hwmon(pmu)) {
+ ret = hwmon_pmu__check_alias(head_terms, info, err);
+ goto out;
+ }
+
/* Fake PMU doesn't rewrite terms. */
if (perf_pmu__is_fake(pmu))
goto out;
@@ -1834,6 +1843,8 @@ bool perf_pmu__have_event(struct perf_pmu *pmu, const char *name)
return false;
if (perf_pmu__is_tool(pmu) && tool_pmu__skip_event(name))
return false;
+ if (perf_pmu__is_hwmon(pmu))
+ return hwmon_pmu__have_event(pmu, name);
if (perf_pmu__find_alias(pmu, name, /*load=*/ true) != NULL)
return true;
if (pmu->cpu_aliases_added || !pmu->events_table)
@@ -1845,6 +1856,9 @@ size_t perf_pmu__num_events(struct perf_pmu *pmu)
{
size_t nr;
+ if (perf_pmu__is_hwmon(pmu))
+ return hwmon_pmu__num_events(pmu);
+
pmu_aliases_parse(pmu);
nr = pmu->sysfs_aliases + pmu->sys_json_aliases;
@@ -1908,6 +1922,9 @@ int perf_pmu__for_each_event(struct perf_pmu *pmu, bool skip_duplicate_pmus,
int ret = 0;
struct strbuf sb;
+ if (perf_pmu__is_hwmon(pmu))
+ return hwmon_pmu__for_each_event(pmu, state, cb);
+
strbuf_init(&sb, /*hint=*/ 0);
pmu_aliases_parse(pmu);
pmu_add_cpu_aliases(pmu);
@@ -2303,6 +2320,9 @@ int perf_pmu__pathname_fd(int dirfd, const char *pmu_name, const char *filename,
void perf_pmu__delete(struct perf_pmu *pmu)
{
+ if (perf_pmu__is_hwmon(pmu))
+ hwmon_pmu__exit(pmu);
+
perf_pmu__del_formats(&pmu->format);
perf_pmu__del_aliases(pmu);
perf_pmu__del_caps(pmu);
diff --git a/tools/perf/util/pmus.c b/tools/perf/util/pmus.c
index 107de86c2637..5c3e88adb9e6 100644
--- a/tools/perf/util/pmus.c
+++ b/tools/perf/util/pmus.c
@@ -15,6 +15,7 @@
#include "evsel.h"
#include "pmus.h"
#include "pmu.h"
+#include "hwmon_pmu.h"
#include "tool_pmu.h"
#include "print-events.h"
#include "strbuf.h"
@@ -234,6 +235,7 @@ static void pmu_read_sysfs(bool core_only)
if (!core_only) {
tool_pmu = perf_pmus__tool_pmu();
list_add_tail(&tool_pmu->list, &other_pmus);
+ perf_pmus__read_hwmon_pmus(&other_pmus);
}
list_sort(NULL, &other_pmus, pmus_cmp);
if (!list_empty(&core_pmus)) {
--
2.47.0.105.g07ac214952-goog