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-rw-r--r--tools/perf/util/evlist.c42
-rw-r--r--tools/perf/util/evlist.h5
-rw-r--r--tools/perf/util/evsel.c1
-rw-r--r--tools/perf/util/parse-events.c45
-rw-r--r--tools/perf/util/parse-events.l1
-rw-r--r--tools/perf/util/python.c1
-rw-r--r--tools/perf/util/session.c1
-rw-r--r--tools/perf/util/symbol.c5
8 files changed, 96 insertions, 5 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 5df4ca91bed3..b8727ae45e3b 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -246,7 +246,7 @@ void perf_evlist__disable(struct perf_evlist *evlist)
for (cpu = 0; cpu < nr_cpus; cpu++) {
list_for_each_entry(pos, &evlist->entries, node) {
- if (!perf_evsel__is_group_leader(pos))
+ if (!perf_evsel__is_group_leader(pos) || !pos->fd)
continue;
for (thread = 0; thread < nr_threads; thread++)
ioctl(FD(pos, cpu, thread),
@@ -264,7 +264,7 @@ void perf_evlist__enable(struct perf_evlist *evlist)
for (cpu = 0; cpu < nr_cpus; cpu++) {
list_for_each_entry(pos, &evlist->entries, node) {
- if (!perf_evsel__is_group_leader(pos))
+ if (!perf_evsel__is_group_leader(pos) || !pos->fd)
continue;
for (thread = 0; thread < nr_threads; thread++)
ioctl(FD(pos, cpu, thread),
@@ -273,6 +273,44 @@ void perf_evlist__enable(struct perf_evlist *evlist)
}
}
+int perf_evlist__disable_event(struct perf_evlist *evlist,
+ struct perf_evsel *evsel)
+{
+ int cpu, thread, err;
+
+ if (!evsel->fd)
+ return 0;
+
+ for (cpu = 0; cpu < evlist->cpus->nr; cpu++) {
+ for (thread = 0; thread < evlist->threads->nr; thread++) {
+ err = ioctl(FD(evsel, cpu, thread),
+ PERF_EVENT_IOC_DISABLE, 0);
+ if (err)
+ return err;
+ }
+ }
+ return 0;
+}
+
+int perf_evlist__enable_event(struct perf_evlist *evlist,
+ struct perf_evsel *evsel)
+{
+ int cpu, thread, err;
+
+ if (!evsel->fd)
+ return -EINVAL;
+
+ for (cpu = 0; cpu < evlist->cpus->nr; cpu++) {
+ for (thread = 0; thread < evlist->threads->nr; thread++) {
+ err = ioctl(FD(evsel, cpu, thread),
+ PERF_EVENT_IOC_ENABLE, 0);
+ if (err)
+ return err;
+ }
+ }
+ return 0;
+}
+
static int perf_evlist__alloc_pollfd(struct perf_evlist *evlist)
{
int nr_cpus = cpu_map__nr(evlist->cpus);
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 841a39405f6a..880d7139d2fb 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -110,6 +110,11 @@ void perf_evlist__munmap(struct perf_evlist *evlist);
void perf_evlist__disable(struct perf_evlist *evlist);
void perf_evlist__enable(struct perf_evlist *evlist);
+int perf_evlist__disable_event(struct perf_evlist *evlist,
+ struct perf_evsel *evsel);
+int perf_evlist__enable_event(struct perf_evlist *evlist,
+ struct perf_evsel *evsel);
+
void perf_evlist__set_selected(struct perf_evlist *evlist,
struct perf_evsel *evsel);
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index e8745fb635a7..3612183e2cc5 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -323,6 +323,7 @@ const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX] = {
"major-faults",
"alignment-faults",
"emulation-faults",
+ "dummy",
};
static const char *__perf_evsel__sw_name(u64 config)
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 9cba92386a82..98125319b158 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -15,6 +15,7 @@
#define YY_EXTRA_TYPE int
#include "parse-events-flex.h"
#include "pmu.h"
+#include "thread_map.h"
#define MAX_NAME_LEN 100
@@ -108,6 +109,10 @@ static struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = {
.symbol = "emulation-faults",
.alias = "",
},
+ [PERF_COUNT_SW_DUMMY] = {
+ .symbol = "dummy",
+ .alias = "",
+ },
};
#define __PERF_EVENT_FIELD(config, name) \
@@ -1072,6 +1077,33 @@ int is_valid_tracepoint(const char *event_string)
return 0;
}
+static bool is_event_supported(u8 type, unsigned config)
+{
+ bool ret = true;
+ struct perf_evsel *evsel;
+ struct perf_event_attr attr = {
+ .type = type,
+ .config = config,
+ .disabled = 1,
+ .exclude_kernel = 1,
+ };
+ struct {
+ struct thread_map map;
+ int threads[1];
+ } tmap = {
+ .map.nr = 1,
+ .threads = { 0 },
+ };
+
+ evsel = perf_evsel__new(&attr, 0);
+ if (evsel) {
+ ret = perf_evsel__open(evsel, NULL, &tmap.map) >= 0;
+ perf_evsel__delete(evsel);
+ }
+
+ return ret;
+}
+
static void __print_events_type(u8 type, struct event_symbol *syms,
unsigned max)
{
@@ -1079,14 +1111,16 @@ static void __print_events_type(u8 type, struct event_symbol *syms,
unsigned i;
for (i = 0; i < max ; i++, syms++) {
+ if (!is_event_supported(type, i))
+ continue;
+
if (strlen(syms->alias))
snprintf(name, sizeof(name), "%s OR %s",
syms->symbol, syms->alias);
else
snprintf(name, sizeof(name), "%s", syms->symbol);
- printf(" %-50s [%s]\n", name,
- event_type_descriptors[type]);
+ printf(" %-50s [%s]\n", name, event_type_descriptors[type]);
}
}
@@ -1115,6 +1149,10 @@ int print_hwcache_events(const char *event_glob, bool name_only)
if (event_glob != NULL && !strglobmatch(name, event_glob))
continue;
+ if (!is_event_supported(PERF_TYPE_HW_CACHE,
+ type | (op << 8) | (i << 16)))
+ continue;
+
if (name_only)
printf("%s ", name);
else
@@ -1144,6 +1182,9 @@ static void print_symbol_events(const char *event_glob, unsigned type,
(syms->alias && strglobmatch(syms->alias, event_glob))))
continue;
+ if (!is_event_supported(type, i))
+ continue;
+
if (name_only) {
printf("%s ", syms->symbol);
continue;
diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l
index 0790452658b3..91346b753960 100644
--- a/tools/perf/util/parse-events.l
+++ b/tools/perf/util/parse-events.l
@@ -145,6 +145,7 @@ context-switches|cs { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW
cpu-migrations|migrations { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_MIGRATIONS); }
alignment-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_ALIGNMENT_FAULTS); }
emulation-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_EMULATION_FAULTS); }
+dummy { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_DUMMY); }
L1-dcache|l1-d|l1d|L1-data |
L1-icache|l1-i|l1i|L1-instruction |
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 381f4fda9654..71b5412bbbb9 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -987,6 +987,7 @@ static struct {
{ "COUNT_SW_PAGE_FAULTS_MAJ", PERF_COUNT_SW_PAGE_FAULTS_MAJ },
{ "COUNT_SW_ALIGNMENT_FAULTS", PERF_COUNT_SW_ALIGNMENT_FAULTS },
{ "COUNT_SW_EMULATION_FAULTS", PERF_COUNT_SW_EMULATION_FAULTS },
+ { "COUNT_SW_DUMMY", PERF_COUNT_SW_DUMMY },
{ "SAMPLE_IP", PERF_SAMPLE_IP },
{ "SAMPLE_TID", PERF_SAMPLE_TID },
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 07642a7b9346..1fc0c628683e 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -1513,6 +1513,7 @@ void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event,
printf(" ");
if (print_symoffset) {
al.addr = node->ip;
+ al.map = node->map;
symbol__fprintf_symname_offs(node->sym, &al, stdout);
} else
symbol__fprintf_symname(node->sym, stdout);
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 77f3b95bb46d..7eb0362f4ffd 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -259,7 +259,10 @@ size_t symbol__fprintf_symname_offs(const struct symbol *sym,
if (sym && sym->name) {
length = fprintf(fp, "%s", sym->name);
if (al) {
- offset = al->addr - sym->start;
+ if (al->addr < sym->end)
+ offset = al->addr - sym->start;
+ else
+ offset = al->addr - al->map->start - sym->start;
length += fprintf(fp, "+0x%lx", offset);
}
return length;
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