summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--tools/perf/util/parse-events-test.c13
-rw-r--r--tools/perf/util/parse-events.c12
-rw-r--r--tools/perf/util/parse-events.h1
-rw-r--r--tools/perf/util/parse-events.l50
-rw-r--r--tools/perf/util/parse-events.y20
5 files changed, 78 insertions, 18 deletions
diff --git a/tools/perf/util/parse-events-test.c b/tools/perf/util/parse-events-test.c
index 392308c..bc8b651 100644
--- a/tools/perf/util/parse-events-test.c
+++ b/tools/perf/util/parse-events-test.c
@@ -301,12 +301,13 @@ static int test__checkevent_breakpoint_modifier(struct perf_evlist *evlist)
{
struct perf_evsel *evsel = perf_evlist__first(evlist);
+
TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
TEST_ASSERT_VAL("wrong name",
- !strcmp(perf_evsel__name(evsel), "mem:0x0:rw:u"));
+ !strcmp(perf_evsel__name(evsel), "mem:0:u"));
return test__checkevent_breakpoint(evlist);
}
@@ -320,7 +321,7 @@ static int test__checkevent_breakpoint_x_modifier(struct perf_evlist *evlist)
TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
TEST_ASSERT_VAL("wrong name",
- !strcmp(perf_evsel__name(evsel), "mem:0x0:x:k"));
+ !strcmp(perf_evsel__name(evsel), "mem:0:x:k"));
return test__checkevent_breakpoint_x(evlist);
}
@@ -334,7 +335,7 @@ static int test__checkevent_breakpoint_r_modifier(struct perf_evlist *evlist)
TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv);
TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip);
TEST_ASSERT_VAL("wrong name",
- !strcmp(perf_evsel__name(evsel), "mem:0x0:r:hp"));
+ !strcmp(perf_evsel__name(evsel), "mem:0:r:hp"));
return test__checkevent_breakpoint_r(evlist);
}
@@ -348,7 +349,7 @@ static int test__checkevent_breakpoint_w_modifier(struct perf_evlist *evlist)
TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip);
TEST_ASSERT_VAL("wrong name",
- !strcmp(perf_evsel__name(evsel), "mem:0x0:w:up"));
+ !strcmp(perf_evsel__name(evsel), "mem:0:w:up"));
return test__checkevent_breakpoint_w(evlist);
}
@@ -362,7 +363,7 @@ static int test__checkevent_breakpoint_rw_modifier(struct perf_evlist *evlist)
TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip);
TEST_ASSERT_VAL("wrong name",
- !strcmp(perf_evsel__name(evsel), "mem:0x0:rw:kp"));
+ !strcmp(perf_evsel__name(evsel), "mem:0:rw:kp"));
return test__checkevent_breakpoint_rw(evlist);
}
@@ -437,7 +438,7 @@ static int test__checkevent_pmu_name(struct perf_evlist *evlist)
TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->attr.type);
TEST_ASSERT_VAL("wrong config", 2 == evsel->attr.config);
TEST_ASSERT_VAL("wrong name",
- !strcmp(perf_evsel__name(evsel), "raw 0x2:u"));
+ !strcmp(perf_evsel__name(evsel), "cpu/config=2/u"));
return 0;
}
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 925784a..b246303 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -751,6 +751,18 @@ int parse_events__modifier_event(struct list_head *list, char *str, bool add)
return 0;
}
+int parse_events_name(struct list_head *list, char *name)
+{
+ struct perf_evsel *evsel;
+
+ list_for_each_entry(evsel, list, node) {
+ if (!evsel->name)
+ evsel->name = strdup(name);
+ }
+
+ return 0;
+}
+
static int parse_events__scanner(const char *str, void *data, int start_token)
{
YY_BUFFER_STATE buffer;
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index 0b9782d..c356e44 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -81,6 +81,7 @@ int parse_events__term_clone(struct parse_events__term **new,
void parse_events__free_terms(struct list_head *terms);
int parse_events__modifier_event(struct list_head *list, char *str, bool add);
int parse_events__modifier_group(struct list_head *list, char *event_mod);
+int parse_events_name(struct list_head *list, char *name);
int parse_events_add_tracepoint(struct list_head **list, int *idx,
char *sys, char *event);
int parse_events_add_numeric(struct list_head **list, int *idx,
diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l
index 2c0d006..f5e28dc 100644
--- a/tools/perf/util/parse-events.l
+++ b/tools/perf/util/parse-events.l
@@ -70,6 +70,12 @@ static int term(yyscan_t scanner, int type)
%}
%x mem
+%s config
+%x event
+
+group [^,{}/]*[{][^}]*[}][^,{}/]*
+event_pmu [^,{}/]+[/][^/]*[/][^,{}/]*
+event [^,{}/]+
num_dec [0-9]+
num_hex 0x[a-fA-F0-9]+
@@ -84,7 +90,13 @@ modifier_bp [rwx]{1,3}
{
int start_token;
- start_token = (int) parse_events_get_extra(yyscanner);
+ start_token = parse_events_get_extra(yyscanner);
+
+ if (start_token == PE_START_TERMS)
+ BEGIN(config);
+ else if (start_token == PE_START_EVENTS)
+ BEGIN(event);
+
if (start_token) {
parse_events_set_extra(NULL, yyscanner);
return start_token;
@@ -92,6 +104,26 @@ modifier_bp [rwx]{1,3}
}
%}
+<event>{
+
+{group} {
+ BEGIN(INITIAL); yyless(0);
+ }
+
+{event_pmu} |
+{event} {
+ str(yyscanner, PE_EVENT_NAME);
+ BEGIN(INITIAL); yyless(0);
+ return PE_EVENT_NAME;
+ }
+
+. |
+<<EOF>> {
+ BEGIN(INITIAL); yyless(0);
+ }
+
+}
+
cpu-cycles|cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_CPU_CYCLES); }
stalled-cycles-frontend|idle-cycles-frontend { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND); }
stalled-cycles-backend|idle-cycles-backend { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_BACKEND); }
@@ -127,18 +159,16 @@ speculative-read|speculative-load |
refs|Reference|ops|access |
misses|miss { return str(yyscanner, PE_NAME_CACHE_OP_RESULT); }
- /*
- * These are event config hardcoded term names to be specified
- * within xxx/.../ syntax. So far we dont clash with other names,
- * so we can put them here directly. In case the we have a conflict
- * in future, this needs to go into '//' condition block.
- */
+<config>{
config { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG); }
config1 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG1); }
config2 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG2); }
name { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_NAME); }
period { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD); }
branch_type { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE); }
+, { return ','; }
+"/" { BEGIN(INITIAL); return '/'; }
+}
mem: { BEGIN(mem); return PE_PREFIX_MEM; }
r{num_raw_hex} { return raw(yyscanner); }
@@ -147,11 +177,11 @@ r{num_raw_hex} { return raw(yyscanner); }
{modifier_event} { return str(yyscanner, PE_MODIFIER_EVENT); }
{name} { return str(yyscanner, PE_NAME); }
-"/" { return '/'; }
+"/" { BEGIN(config); return '/'; }
- { return '-'; }
-, { return ','; }
+, { BEGIN(event); return ','; }
: { return ':'; }
-"{" { return '{'; }
+"{" { BEGIN(event); return '{'; }
"}" { return '}'; }
= { return '='; }
\n { }
diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y
index 66850f8..42d9a17 100644
--- a/tools/perf/util/parse-events.y
+++ b/tools/perf/util/parse-events.y
@@ -27,6 +27,7 @@ do { \
%token PE_START_EVENTS PE_START_TERMS
%token PE_VALUE PE_VALUE_SYM_HW PE_VALUE_SYM_SW PE_RAW PE_TERM
+%token PE_EVENT_NAME
%token PE_NAME
%token PE_MODIFIER_EVENT PE_MODIFIER_BP
%token PE_NAME_CACHE_TYPE PE_NAME_CACHE_OP_RESULT
@@ -42,6 +43,7 @@ do { \
%type <str> PE_NAME_CACHE_OP_RESULT
%type <str> PE_MODIFIER_EVENT
%type <str> PE_MODIFIER_BP
+%type <str> PE_EVENT_NAME
%type <num> value_sym
%type <head> event_config
%type <term> event_term
@@ -53,6 +55,8 @@ do { \
%type <head> event_legacy_numeric
%type <head> event_legacy_raw
%type <head> event_def
+%type <head> event_mod
+%type <head> event_name
%type <head> event
%type <head> events
%type <head> group_def
@@ -143,8 +147,10 @@ events ',' event
|
event
-event:
-event_def PE_MODIFIER_EVENT
+event: event_mod
+
+event_mod:
+event_name PE_MODIFIER_EVENT
{
struct list_head *list = $1;
@@ -157,6 +163,16 @@ event_def PE_MODIFIER_EVENT
$$ = list;
}
|
+event_name
+
+event_name:
+PE_EVENT_NAME event_def
+{
+ ABORT_ON(parse_events_name($2, $1));
+ free($1);
+ $$ = $2;
+}
+|
event_def
event_def: event_pmu |
OpenPOWER on IntegriCloud