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perf parse-events: Rename parse_events_error functions

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Group error functions and name after the data type they manipulate.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lore.kernel.org/lkml/20211107090002.3784612-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers 2021-11-07 01:00:00 -08:00 committed by Arnaldo Carvalho de Melo
parent e4e290791d
commit 6c1912898e
11 changed files with 79 additions and 79 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
tools/perf/arch/powerpc/util/kvm-stat.c
View File

@ -116,7 +116,7 @@ static int is_tracepoint_available(const char *str, struct evlist *evlist)
bzero(&err, sizeof(err));
ret = parse_events(evlist, str, &err);
if (err.str)
parse_events_print_error(&err, "tracepoint");
parse_events_error__print(&err, "tracepoint");
return ret;
}

2
tools/perf/bench/evlist-open-close.c
View File

@ -89,7 +89,7 @@ static struct evlist *bench__create_evlist(char *evstr)
ret = parse_events(evlist, evstr, &err);
if (ret) {
parse_events_print_error(&err, evstr);
parse_events_error__print(&err, evstr);
pr_err("Run 'perf list' for a list of valid events\n");
ret = 1;
goto out_delete_evlist;

10
tools/perf/builtin-stat.c
View File

@ -1782,7 +1782,7 @@ static int add_default_attributes(void)
&errinfo);
if (err) {
fprintf(stderr, "Cannot set up transaction events\n");
parse_events_print_error(&errinfo, transaction_attrs);
parse_events_error__print(&errinfo, transaction_attrs);
return -1;
}
return 0;
@ -1812,11 +1812,11 @@ static int add_default_attributes(void)
} else {
fprintf(stderr, "To measure SMI cost, it needs "
"msr/aperf/, msr/smi/ and cpu/cycles/ support\n");
parse_events_print_error(&errinfo, smi_cost_attrs);
parse_events_error__print(&errinfo, smi_cost_attrs);
return -1;
}
if (err) {
parse_events_print_error(&errinfo, smi_cost_attrs);
parse_events_error__print(&errinfo, smi_cost_attrs);
fprintf(stderr, "Cannot set up SMI cost events\n");
return -1;
}
@ -1883,7 +1883,7 @@ setup_metrics:
fprintf(stderr,
"Cannot set up top down events %s: %d\n",
str, err);
parse_events_print_error(&errinfo, str);
parse_events_error__print(&errinfo, str);
free(str);
return -1;
}
@ -1911,7 +1911,7 @@ setup_metrics:
fprintf(stderr,
"Cannot set up hybrid events %s: %d\n",
hybrid_str, err);
parse_events_print_error(&errinfo, hybrid_str);
parse_events_error__print(&errinfo, hybrid_str);
return -1;
}
return err;

2
tools/perf/builtin-trace.c
View File

@ -4928,7 +4928,7 @@ int cmd_trace(int argc, const char **argv)
bzero(&parse_err, sizeof(parse_err));
err = parse_events(trace.evlist, trace.perfconfig_events, &parse_err);
if (err) {
parse_events_print_error(&parse_err, trace.perfconfig_events);
parse_events_error__print(&parse_err, trace.perfconfig_events);
goto out;
}
}

2
tools/perf/tests/expand-cgroup.c
View File

@ -128,7 +128,7 @@ static int expand_group_events(void)
if (ret < 0) {
pr_debug("failed to parse event '%s', err %d, str '%s'\n",
event_str, ret, err.str);
parse_events_print_error(&err, event_str);
parse_events_error__print(&err, event_str);
goto out;
}

2
tools/perf/tests/parse-events.c
View File

@ -2059,7 +2059,7 @@ static int test_event(struct evlist_test *e)
if (ret) {
pr_debug("failed to parse event '%s', err %d, str '%s'\n",
e->name, ret, err.str);
parse_events_print_error(&err, e->name);
parse_events_error__print(&err, e->name);
} else {
ret = e->check(evlist);
}

2
tools/perf/util/metricgroup.c
View File

@ -1342,7 +1342,7 @@ static int parse_ids(struct perf_pmu *fake_pmu, struct expr_parse_ctx *ids,
bzero(&parse_error, sizeof(parse_error));
ret = __parse_events(parsed_evlist, events.buf, &parse_error, fake_pmu);
if (ret) {
parse_events_print_error(&parse_error, events.buf);
parse_events_error__print(&parse_error, events.buf);
goto err_out;
}
ret = decode_all_metric_ids(parsed_evlist, modifier);

116
tools/perf/util/parse-events.c
View File

@ -191,39 +191,6 @@ static int tp_event_has_id(const char *dir_path, struct dirent *evt_dir)
#define MAX_EVENT_LENGTH 512
void parse_events__handle_error(struct parse_events_error *err, int idx,
char *str, char *help)
{
if (WARN(!str, "WARNING: failed to provide error string\n")) {
free(help);
return;
}
switch (err->num_errors) {
case 0:
err->idx = idx;
err->str = str;
err->help = help;
break;
case 1:
err->first_idx = err->idx;
err->idx = idx;
err->first_str = err->str;
err->str = str;
err->first_help = err->help;
err->help = help;
break;
default:
pr_debug("Multiple errors dropping message: %s (%s)\n",
err->str, err->help);
free(err->str);
err->str = str;
free(err->help);
err->help = help;
break;
}
err->num_errors++;
}
struct tracepoint_path *tracepoint_id_to_path(u64 config)
{
struct tracepoint_path *path = NULL;
@ -587,7 +554,7 @@ static void tracepoint_error(struct parse_events_error *e, int err,
}
tracing_path__strerror_open_tp(err, help, sizeof(help), sys, name);
parse_events__handle_error(e, 0, strdup(str), strdup(help));
parse_events_error__handle(e, 0, strdup(str), strdup(help));
}
static int add_tracepoint(struct list_head *list, int *idx,
@ -811,7 +778,7 @@ int parse_events_load_bpf_obj(struct parse_events_state *parse_state,
return 0;
errout:
parse_events__handle_error(parse_state->error, 0,
parse_events_error__handle(parse_state->error, 0,
strdup(errbuf), strdup("(add -v to see detail)"));
return err;
}
@ -831,7 +798,7 @@ parse_events_config_bpf(struct parse_events_state *parse_state,
int err;
if (term->type_term != PARSE_EVENTS__TERM_TYPE_USER) {
parse_events__handle_error(parse_state->error, term->err_term,
parse_events_error__handle(parse_state->error, term->err_term,
strdup("Invalid config term for BPF object"),
NULL);
return -EINVAL;
@ -851,7 +818,7 @@ parse_events_config_bpf(struct parse_events_state *parse_state,
else
idx = term->err_term + error_pos;
parse_events__handle_error(parse_state->error, idx,
parse_events_error__handle(parse_state->error, idx,
strdup(errbuf),
strdup(
"Hint:\tValid config terms:\n"
@ -923,7 +890,7 @@ int parse_events_load_bpf(struct parse_events_state *parse_state,
-err, errbuf,
sizeof(errbuf));
parse_events__handle_error(parse_state->error, 0,
parse_events_error__handle(parse_state->error, 0,
strdup(errbuf), strdup("(add -v to see detail)"));
return err;
}
@ -947,7 +914,7 @@ int parse_events_load_bpf_obj(struct parse_events_state *parse_state,
struct bpf_object *obj __maybe_unused,
struct list_head *head_config __maybe_unused)
{
parse_events__handle_error(parse_state->error, 0,
parse_events_error__handle(parse_state->error, 0,
strdup("BPF support is not compiled"),
strdup("Make sure libbpf-devel is available at build time."));
return -ENOTSUP;
@ -959,7 +926,7 @@ int parse_events_load_bpf(struct parse_events_state *parse_state,
bool source __maybe_unused,
struct list_head *head_config __maybe_unused)
{
parse_events__handle_error(parse_state->error, 0,
parse_events_error__handle(parse_state->error, 0,
strdup("BPF support is not compiled"),
strdup("Make sure libbpf-devel is available at build time."));
return -ENOTSUP;
@ -1042,7 +1009,7 @@ static int check_type_val(struct parse_events_term *term,
return 0;
if (err) {
parse_events__handle_error(err, term->err_val,
parse_events_error__handle(err, term->err_val,
type == PARSE_EVENTS__TERM_TYPE_NUM
? strdup("expected numeric value")
: strdup("expected string value"),
@ -1087,7 +1054,7 @@ config_term_avail(int term_type, struct parse_events_error *err)
char *err_str;
if (term_type < 0 || term_type >= __PARSE_EVENTS__TERM_TYPE_NR) {
parse_events__handle_error(err, -1,
parse_events_error__handle(err, -1,
strdup("Invalid term_type"), NULL);
return false;
}
@ -1110,7 +1077,7 @@ config_term_avail(int term_type, struct parse_events_error *err)
/* term_type is validated so indexing is safe */
if (asprintf(&err_str, "'%s' is not usable in 'perf stat'",
config_term_names[term_type]) >= 0)
parse_events__handle_error(err, -1, err_str, NULL);
parse_events_error__handle(err, -1, err_str, NULL);
return false;
}
}
@ -1154,7 +1121,7 @@ do { \
if (strcmp(term->val.str, "no") &&
parse_branch_str(term->val.str,
&attr->branch_sample_type)) {
parse_events__handle_error(err, term->err_val,
parse_events_error__handle(err, term->err_val,
strdup("invalid branch sample type"),
NULL);
return -EINVAL;
@ -1163,7 +1130,7 @@ do { \
case PARSE_EVENTS__TERM_TYPE_TIME:
CHECK_TYPE_VAL(NUM);
if (term->val.num > 1) {
parse_events__handle_error(err, term->err_val,
parse_events_error__handle(err, term->err_val,
strdup("expected 0 or 1"),
NULL);
return -EINVAL;
@ -1202,7 +1169,7 @@ do { \
case PARSE_EVENTS__TERM_TYPE_PERCORE:
CHECK_TYPE_VAL(NUM);
if ((unsigned int)term->val.num > 1) {
parse_events__handle_error(err, term->err_val,
parse_events_error__handle(err, term->err_val,
strdup("expected 0 or 1"),
NULL);
return -EINVAL;
@ -1214,14 +1181,14 @@ do { \
case PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE:
CHECK_TYPE_VAL(NUM);
if (term->val.num > UINT_MAX) {
parse_events__handle_error(err, term->err_val,
parse_events_error__handle(err, term->err_val,
strdup("too big"),
NULL);
return -EINVAL;
}
break;
default:
parse_events__handle_error(err, term->err_term,
parse_events_error__handle(err, term->err_term,
strdup("unknown term"),
parse_events_formats_error_string(NULL));
return -EINVAL;
@ -1275,7 +1242,7 @@ static int config_term_tracepoint(struct perf_event_attr *attr,
return config_term_common(attr, term, err);
default:
if (err) {
parse_events__handle_error(err, term->err_term,
parse_events_error__handle(err, term->err_term,
strdup("unknown term"),
strdup("valid terms: call-graph,stack-size\n"));
}
@ -1574,7 +1541,7 @@ int parse_events_add_pmu(struct parse_events_state *parse_state,
if (asprintf(&err_str,
"Cannot find PMU `%s'. Missing kernel support?",
name) >= 0)
parse_events__handle_error(err, 0, err_str, NULL);
parse_events_error__handle(err, 0, err_str, NULL);
return -EINVAL;
}
@ -2334,6 +2301,39 @@ int __parse_events(struct evlist *evlist, const char *str,
return ret;
}
void parse_events_error__handle(struct parse_events_error *err, int idx,
char *str, char *help)
{
if (WARN(!str, "WARNING: failed to provide error string\n")) {
free(help);
return;
}
switch (err->num_errors) {
case 0:
err->idx = idx;
err->str = str;
err->help = help;
break;
case 1:
err->first_idx = err->idx;
err->idx = idx;
err->first_str = err->str;
err->str = str;
err->first_help = err->help;
err->help = help;
break;
default:
pr_debug("Multiple errors dropping message: %s (%s)\n",
err->str, err->help);
free(err->str);
err->str = str;
free(err->help);
err->help = help;
break;
}
err->num_errors++;
}
#define MAX_WIDTH 1000
static int get_term_width(void)
{
@ -2343,8 +2343,8 @@ static int get_term_width(void)
return ws.ws_col > MAX_WIDTH ? MAX_WIDTH : ws.ws_col;
}
static void __parse_events_print_error(int err_idx, const char *err_str,
const char *err_help, const char *event)
static void __parse_events_error__print(int err_idx, const char *err_str,
const char *err_help, const char *event)
{
const char *str = "invalid or unsupported event: ";
char _buf[MAX_WIDTH];
@ -2398,19 +2398,19 @@ static void __parse_events_print_error(int err_idx, const char *err_str,
}
}
void parse_events_print_error(struct parse_events_error *err,
const char *event)
void parse_events_error__print(struct parse_events_error *err,
const char *event)
{
if (!err->num_errors)
return;
__parse_events_print_error(err->idx, err->str, err->help, event);
__parse_events_error__print(err->idx, err->str, err->help, event);
zfree(&err->str);
zfree(&err->help);
if (err->num_errors > 1) {
fputs("\nInitial error:\n", stderr);
__parse_events_print_error(err->first_idx, err->first_str,
__parse_events_error__print(err->first_idx, err->first_str,
err->first_help, event);
zfree(&err->first_str);
zfree(&err->first_help);
@ -2430,7 +2430,7 @@ int parse_events_option(const struct option *opt, const char *str,
ret = parse_events(evlist, str, &err);
if (ret) {
parse_events_print_error(&err, str);
parse_events_error__print(&err, str);
fprintf(stderr, "Run 'perf list' for a list of valid events\n");
}
@ -3324,7 +3324,7 @@ void parse_events_evlist_error(struct parse_events_state *parse_state,
if (!parse_state->error)
return;
parse_events__handle_error(parse_state->error, idx, strdup(str), NULL);
parse_events_error__handle(parse_state->error, idx, strdup(str), NULL);
}
static void config_terms_list(char *buf, size_t buf_sz)

8
tools/perf/util/parse-events.h
View File

@ -142,8 +142,6 @@ struct parse_events_state {
char *hybrid_pmu_name;
};
void parse_events__handle_error(struct parse_events_error *err, int idx,
char *str, char *help);
void parse_events__shrink_config_terms(void);
int parse_events__is_hardcoded_term(struct parse_events_term *term);
int parse_events_term__num(struct parse_events_term **term,
@ -244,8 +242,10 @@ int is_valid_tracepoint(const char *event_string);
int valid_event_mount(const char *eventfs);
char *parse_events_formats_error_string(char *additional_terms);
void parse_events_print_error(struct parse_events_error *err,
const char *event);
void parse_events_error__handle(struct parse_events_error *err, int idx,
char *str, char *help);
void parse_events_error__print(struct parse_events_error *err,
const char *event);
#ifdef HAVE_LIBELF_SUPPORT
/*

4
tools/perf/util/parse-events.y
View File

@ -186,7 +186,7 @@ group_def ':' PE_MODIFIER_EVENT
struct parse_events_state *parse_state = _parse_state;
struct parse_events_error *error = parse_state->error;
parse_events__handle_error(error, @3.first_column,
parse_events_error__handle(error, @3.first_column,
strdup("Bad modifier"), NULL);
free_list_evsel(list);
YYABORT;
@ -248,7 +248,7 @@ event_name PE_MODIFIER_EVENT
struct parse_events_state *parse_state = _parse_state;
struct parse_events_error *error = parse_state->error;
parse_events__handle_error(error, @2.first_column,
parse_events_error__handle(error, @2.first_column,
strdup("Bad modifier"), NULL);
free_list_evsel(list);
YYABORT;

8
tools/perf/util/pmu.c
View File

@ -1283,7 +1283,7 @@ static int pmu_config_term(const char *pmu_name,
unknown_term = NULL;
help_msg = parse_events_formats_error_string(pmu_term);
if (err) {
parse_events__handle_error(err, term->err_term,
parse_events_error__handle(err, term->err_term,
unknown_term,
help_msg);
} else {
@ -1316,7 +1316,7 @@ static int pmu_config_term(const char *pmu_name,
if (term->no_value &&
bitmap_weight(format->bits, PERF_PMU_FORMAT_BITS) > 1) {
if (err) {
parse_events__handle_error(err, term->err_val,
parse_events_error__handle(err, term->err_val,
strdup("no value assigned for term"),
NULL);
}
@ -1331,7 +1331,7 @@ static int pmu_config_term(const char *pmu_name,
term->config, term->val.str);
}
if (err) {
parse_events__handle_error(err, term->err_val,
parse_events_error__handle(err, term->err_val,
strdup("expected numeric value"),
NULL);
}
@ -1348,7 +1348,7 @@ static int pmu_config_term(const char *pmu_name,
if (err) {
char *err_str;
parse_events__handle_error(err, term->err_val,
parse_events_error__handle(err, term->err_val,
asprintf(&err_str,
"value too big for format, maximum is %llu",
(unsigned long long)max_val) < 0