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-rw-r--r--tools/perf/util/pmu.c73
1 files changed, 50 insertions, 23 deletions
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 46fd0f998484..88c8ecdc60b0 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -25,6 +25,7 @@
#include "string2.h"
#include "strbuf.h"
#include "fncache.h"
+#include "pmu-hybrid.h"
struct perf_pmu perf_pmu__fake;
@@ -39,6 +40,7 @@ int perf_pmu_parse(struct list_head *list, char *name);
extern FILE *perf_pmu_in;
static LIST_HEAD(pmus);
+static bool hybrid_scanned;
/*
* Parse & process all the sysfs attributes located under
@@ -283,6 +285,7 @@ void perf_pmu_free_alias(struct perf_pmu_alias *newalias)
zfree(&newalias->str);
zfree(&newalias->metric_expr);
zfree(&newalias->metric_name);
+ zfree(&newalias->pmu_name);
parse_events_terms__purge(&newalias->terms);
free(newalias);
}
@@ -297,6 +300,10 @@ static bool perf_pmu_merge_alias(struct perf_pmu_alias *newalias,
list_for_each_entry(a, alist, list) {
if (!strcasecmp(newalias->name, a->name)) {
+ if (newalias->pmu_name && a->pmu_name &&
+ !strcasecmp(newalias->pmu_name, a->pmu_name)) {
+ continue;
+ }
perf_pmu_update_alias(a, newalias);
perf_pmu_free_alias(newalias);
return true;
@@ -306,18 +313,27 @@ static bool perf_pmu_merge_alias(struct perf_pmu_alias *newalias,
}
static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name,
- char *desc, char *val,
- char *long_desc, char *topic,
- char *unit, char *perpkg,
- char *metric_expr,
- char *metric_name,
- char *deprecated)
+ char *desc, char *val, struct pmu_event *pe)
{
struct parse_events_term *term;
struct perf_pmu_alias *alias;
int ret;
int num;
char newval[256];
+ char *long_desc = NULL, *topic = NULL, *unit = NULL, *perpkg = NULL,
+ *metric_expr = NULL, *metric_name = NULL, *deprecated = NULL,
+ *pmu_name = NULL;
+
+ if (pe) {
+ long_desc = (char *)pe->long_desc;
+ topic = (char *)pe->topic;
+ unit = (char *)pe->unit;
+ perpkg = (char *)pe->perpkg;
+ metric_expr = (char *)pe->metric_expr;
+ metric_name = (char *)pe->metric_name;
+ deprecated = (char *)pe->deprecated;
+ pmu_name = (char *)pe->pmu;
+ }
alias = malloc(sizeof(*alias));
if (!alias)
@@ -382,6 +398,7 @@ static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name,
}
alias->per_pkg = perpkg && sscanf(perpkg, "%d", &num) == 1 && num == 1;
alias->str = strdup(newval);
+ alias->pmu_name = pmu_name ? strdup(pmu_name) : NULL;
if (deprecated)
alias->deprecated = true;
@@ -406,8 +423,7 @@ static int perf_pmu__new_alias(struct list_head *list, char *dir, char *name, FI
/* Remove trailing newline from sysfs file */
strim(buf);
- return __perf_pmu__new_alias(list, dir, name, NULL, buf, NULL, NULL, NULL,
- NULL, NULL, NULL, NULL);
+ return __perf_pmu__new_alias(list, dir, name, NULL, buf, NULL);
}
static inline bool pmu_alias_info_file(char *name)
@@ -599,7 +615,6 @@ static struct perf_cpu_map *__pmu_cpumask(const char *path)
*/
#define SYS_TEMPLATE_ID "./bus/event_source/devices/%s/identifier"
#define CPUS_TEMPLATE_UNCORE "%s/bus/event_source/devices/%s/cpumask"
-#define CPUS_TEMPLATE_CPU "%s/bus/event_source/devices/%s/cpus"
static struct perf_cpu_map *pmu_cpumask(const char *name)
{
@@ -631,6 +646,9 @@ static bool pmu_is_uncore(const char *name)
char path[PATH_MAX];
const char *sysfs;
+ if (perf_pmu__hybrid_mounted(name))
+ return false;
+
sysfs = sysfs__mountpoint();
snprintf(path, PATH_MAX, CPUS_TEMPLATE_UNCORE, sysfs, name);
return file_available(path);
@@ -717,6 +735,11 @@ struct pmu_events_map *perf_pmu__find_map(struct perf_pmu *pmu)
return map;
}
+struct pmu_events_map *__weak pmu_events_map__find(void)
+{
+ return perf_pmu__find_map(NULL);
+}
+
bool pmu_uncore_alias_match(const char *pmu_name, const char *name)
{
char *tmp = NULL, *tok, *str;
@@ -793,11 +816,7 @@ new_alias:
/* need type casts to override 'const' */
__perf_pmu__new_alias(head, NULL, (char *)pe->name,
(char *)pe->desc, (char *)pe->event,
- (char *)pe->long_desc, (char *)pe->topic,
- (char *)pe->unit, (char *)pe->perpkg,
- (char *)pe->metric_expr,
- (char *)pe->metric_name,
- (char *)pe->deprecated);
+ pe);
}
}
@@ -864,13 +883,7 @@ static int pmu_add_sys_aliases_iter_fn(struct pmu_event *pe, void *data)
(char *)pe->name,
(char *)pe->desc,
(char *)pe->event,
- (char *)pe->long_desc,
- (char *)pe->topic,
- (char *)pe->unit,
- (char *)pe->perpkg,
- (char *)pe->metric_expr,
- (char *)pe->metric_name,
- (char *)pe->deprecated);
+ pe);
}
return 0;
@@ -942,6 +955,7 @@ static struct perf_pmu *pmu_lookup(const char *name)
pmu->is_uncore = pmu_is_uncore(name);
if (pmu->is_uncore)
pmu->id = pmu_id(name);
+ pmu->is_hybrid = perf_pmu__hybrid_mounted(name);
pmu->max_precise = pmu_max_precise(name);
pmu_add_cpu_aliases(&aliases, pmu);
pmu_add_sys_aliases(&aliases, pmu);
@@ -953,6 +967,9 @@ static struct perf_pmu *pmu_lookup(const char *name)
list_splice(&aliases, &pmu->aliases);
list_add_tail(&pmu->list, &pmus);
+ if (pmu->is_hybrid)
+ list_add_tail(&pmu->hybrid_list, &perf_pmu__hybrid_pmus);
+
pmu->default_config = perf_pmu__get_default_config(pmu);
return pmu;
@@ -1069,7 +1086,7 @@ int perf_pmu__format_type(struct list_head *formats, const char *name)
/*
* Sets value based on the format definition (format parameter)
- * and unformated value (value parameter).
+ * and unformatted value (value parameter).
*/
static void pmu_format_value(unsigned long *format, __u64 value, __u64 *v,
bool zero)
@@ -1408,7 +1425,7 @@ int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms,
}
/*
- * if no unit or scale foundin aliases, then
+ * if no unit or scale found in aliases, then
* set defaults as for evsel
* unit cannot left to NULL
*/
@@ -1845,3 +1862,13 @@ void perf_pmu__warn_invalid_config(struct perf_pmu *pmu, __u64 config,
"'%llx' not supported by kernel)!\n",
name ?: "N/A", buf, config);
}
+
+bool perf_pmu__has_hybrid(void)
+{
+ if (!hybrid_scanned) {
+ hybrid_scanned = true;
+ perf_pmu__scan(NULL);
+ }
+
+ return !list_empty(&perf_pmu__hybrid_pmus);
+}