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path: root/tools/lib/traceevent/event-parse.c
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Diffstat (limited to 'tools/lib/traceevent/event-parse.c')
-rw-r--r--tools/lib/traceevent/event-parse.c110
1 files changed, 67 insertions, 43 deletions
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 1587ea392ad6..b83184f2d484 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -50,6 +50,18 @@ static int show_warning = 1;
warning(fmt, ##__VA_ARGS__); \
} while (0)
+#define do_warning_event(event, fmt, ...) \
+ do { \
+ if (!show_warning) \
+ continue; \
+ \
+ if (event) \
+ warning("[%s:%s] " fmt, event->system, \
+ event->name, ##__VA_ARGS__); \
+ else \
+ warning(fmt, ##__VA_ARGS__); \
+ } while (0)
+
static void init_input_buf(const char *buf, unsigned long long size)
{
input_buf = buf;
@@ -1355,7 +1367,7 @@ static int event_read_fields(struct event_format *event, struct format_field **f
}
if (!field->type) {
- do_warning("%s: no type found", __func__);
+ do_warning_event(event, "%s: no type found", __func__);
goto fail;
}
field->name = last_token;
@@ -1402,7 +1414,7 @@ static int event_read_fields(struct event_format *event, struct format_field **f
free_token(token);
type = read_token(&token);
if (type == EVENT_NONE) {
- do_warning("failed to find token");
+ do_warning_event(event, "failed to find token");
goto fail;
}
}
@@ -1636,7 +1648,7 @@ process_cond(struct event_format *event, struct print_arg *top, char **tok)
right = alloc_arg();
if (!arg || !left || !right) {
- do_warning("%s: not enough memory!", __func__);
+ do_warning_event(event, "%s: not enough memory!", __func__);
/* arg will be freed at out_free */
free_arg(left);
free_arg(right);
@@ -1686,7 +1698,7 @@ process_array(struct event_format *event, struct print_arg *top, char **tok)
arg = alloc_arg();
if (!arg) {
- do_warning("%s: not enough memory!", __func__);
+ do_warning_event(event, "%s: not enough memory!", __func__);
/* '*tok' is set to top->op.op. No need to free. */
*tok = NULL;
return EVENT_ERROR;
@@ -1792,7 +1804,7 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok)
if (arg->type == PRINT_OP && !arg->op.left) {
/* handle single op */
if (token[1]) {
- do_warning("bad op token %s", token);
+ do_warning_event(event, "bad op token %s", token);
goto out_free;
}
switch (token[0]) {
@@ -1802,7 +1814,7 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok)
case '-':
break;
default:
- do_warning("bad op token %s", token);
+ do_warning_event(event, "bad op token %s", token);
goto out_free;
}
@@ -1888,7 +1900,7 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok)
char *new_atom;
if (left->type != PRINT_ATOM) {
- do_warning("bad pointer type");
+ do_warning_event(event, "bad pointer type");
goto out_free;
}
new_atom = realloc(left->atom.atom,
@@ -1930,7 +1942,7 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok)
type = process_array(event, arg, tok);
} else {
- do_warning("unknown op '%s'", token);
+ do_warning_event(event, "unknown op '%s'", token);
event->flags |= EVENT_FL_FAILED;
/* the arg is now the left side */
goto out_free;
@@ -1951,7 +1963,7 @@ process_op(struct event_format *event, struct print_arg *arg, char **tok)
return type;
out_warn_free:
- do_warning("%s: not enough memory!", __func__);
+ do_warning_event(event, "%s: not enough memory!", __func__);
out_free:
free_token(token);
*tok = NULL;
@@ -2385,7 +2397,7 @@ process_flags(struct event_format *event, struct print_arg *arg, char **tok)
field = alloc_arg();
if (!field) {
- do_warning("%s: not enough memory!", __func__);
+ do_warning_event(event, "%s: not enough memory!", __func__);
goto out_free;
}
@@ -2438,7 +2450,7 @@ process_symbols(struct event_format *event, struct print_arg *arg, char **tok)
field = alloc_arg();
if (!field) {
- do_warning("%s: not enough memory!", __func__);
+ do_warning_event(event, "%s: not enough memory!", __func__);
goto out_free;
}
@@ -2477,7 +2489,7 @@ process_hex(struct event_format *event, struct print_arg *arg, char **tok)
field = alloc_arg();
if (!field) {
- do_warning("%s: not enough memory!", __func__);
+ do_warning_event(event, "%s: not enough memory!", __func__);
goto out_free;
}
@@ -2492,7 +2504,7 @@ process_hex(struct event_format *event, struct print_arg *arg, char **tok)
field = alloc_arg();
if (!field) {
- do_warning("%s: not enough memory!", __func__);
+ do_warning_event(event, "%s: not enough memory!", __func__);
*tok = NULL;
return EVENT_ERROR;
}
@@ -2555,7 +2567,7 @@ process_dynamic_array(struct event_format *event, struct print_arg *arg, char **
free_token(token);
arg = alloc_arg();
if (!arg) {
- do_warning("%s: not enough memory!", __func__);
+ do_warning_event(event, "%s: not enough memory!", __func__);
*tok = NULL;
return EVENT_ERROR;
}
@@ -2614,13 +2626,14 @@ process_paren(struct event_format *event, struct print_arg *arg, char **tok)
/* prevous must be an atom */
if (arg->type != PRINT_ATOM) {
- do_warning("previous needed to be PRINT_ATOM");
+ do_warning_event(event, "previous needed to be PRINT_ATOM");
goto out_free;
}
item_arg = alloc_arg();
if (!item_arg) {
- do_warning("%s: not enough memory!", __func__);
+ do_warning_event(event, "%s: not enough memory!",
+ __func__);
goto out_free;
}
@@ -2721,21 +2734,24 @@ process_func_handler(struct event_format *event, struct pevent_function_handler
for (i = 0; i < func->nr_args; i++) {
farg = alloc_arg();
if (!farg) {
- do_warning("%s: not enough memory!", __func__);
+ do_warning_event(event, "%s: not enough memory!",
+ __func__);
return EVENT_ERROR;
}
type = process_arg(event, farg, &token);
if (i < (func->nr_args - 1)) {
if (type != EVENT_DELIM || strcmp(token, ",") != 0) {
- warning("Error: function '%s()' expects %d arguments but event %s only uses %d",
+ do_warning_event(event,
+ "Error: function '%s()' expects %d arguments but event %s only uses %d",
func->name, func->nr_args,
event->name, i + 1);
goto err;
}
} else {
if (type != EVENT_DELIM || strcmp(token, ")") != 0) {
- warning("Error: function '%s()' only expects %d arguments but event %s has more",
+ do_warning_event(event,
+ "Error: function '%s()' only expects %d arguments but event %s has more",
func->name, func->nr_args, event->name);
goto err;
}
@@ -2792,7 +2808,7 @@ process_function(struct event_format *event, struct print_arg *arg,
return process_func_handler(event, func, arg, tok);
}
- do_warning("function %s not defined", token);
+ do_warning_event(event, "function %s not defined", token);
free_token(token);
return EVENT_ERROR;
}
@@ -2878,7 +2894,7 @@ process_arg_token(struct event_format *event, struct print_arg *arg,
case EVENT_ERROR ... EVENT_NEWLINE:
default:
- do_warning("unexpected type %d", type);
+ do_warning_event(event, "unexpected type %d", type);
return EVENT_ERROR;
}
*tok = token;
@@ -2901,7 +2917,8 @@ static int event_read_print_args(struct event_format *event, struct print_arg **
arg = alloc_arg();
if (!arg) {
- do_warning("%s: not enough memory!", __func__);
+ do_warning_event(event, "%s: not enough memory!",
+ __func__);
return -1;
}
@@ -3481,11 +3498,12 @@ eval_num_arg(void *data, int size, struct event_format *event, struct print_arg
return val;
out_warning_op:
- do_warning("%s: unknown op '%s'", __func__, arg->op.op);
+ do_warning_event(event, "%s: unknown op '%s'", __func__, arg->op.op);
return 0;
out_warning_field:
- do_warning("%s: field %s not found", __func__, arg->field.name);
+ do_warning_event(event, "%s: field %s not found",
+ __func__, arg->field.name);
return 0;
}
@@ -3591,7 +3609,8 @@ static void print_str_arg(struct trace_seq *s, void *data, int size,
}
str = malloc(len + 1);
if (!str) {
- do_warning("%s: not enough memory!", __func__);
+ do_warning_event(event, "%s: not enough memory!",
+ __func__);
return;
}
memcpy(str, data + field->offset, len);
@@ -3697,7 +3716,8 @@ static void print_str_arg(struct trace_seq *s, void *data, int size,
return;
out_warning_field:
- do_warning("%s: field %s not found", __func__, arg->field.name);
+ do_warning_event(event, "%s: field %s not found",
+ __func__, arg->field.name);
}
static unsigned long long
@@ -3742,14 +3762,16 @@ process_defined_func(struct trace_seq *s, void *data, int size,
trace_seq_terminate(&str);
string = malloc(sizeof(*string));
if (!string) {
- do_warning("%s(%d): malloc str", __func__, __LINE__);
+ do_warning_event(event, "%s(%d): malloc str",
+ __func__, __LINE__);
goto out_free;
}
string->next = strings;
string->str = strdup(str.buffer);
if (!string->str) {
free(string);
- do_warning("%s(%d): malloc str", __func__, __LINE__);
+ do_warning_event(event, "%s(%d): malloc str",
+ __func__, __LINE__);
goto out_free;
}
args[i] = (uintptr_t)string->str;
@@ -3761,7 +3783,7 @@ process_defined_func(struct trace_seq *s, void *data, int size,
* Something went totally wrong, this is not
* an input error, something in this code broke.
*/
- do_warning("Unexpected end of arguments\n");
+ do_warning_event(event, "Unexpected end of arguments\n");
goto out_free;
}
farg = farg->next;
@@ -3811,12 +3833,12 @@ static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struc
if (!field) {
field = pevent_find_field(event, "buf");
if (!field) {
- do_warning("can't find buffer field for binary printk");
+ do_warning_event(event, "can't find buffer field for binary printk");
return NULL;
}
ip_field = pevent_find_field(event, "ip");
if (!ip_field) {
- do_warning("can't find ip field for binary printk");
+ do_warning_event(event, "can't find ip field for binary printk");
return NULL;
}
pevent->bprint_buf_field = field;
@@ -3830,7 +3852,8 @@ static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struc
*/
args = alloc_arg();
if (!args) {
- do_warning("%s(%d): not enough memory!", __func__, __LINE__);
+ do_warning_event(event, "%s(%d): not enough memory!",
+ __func__, __LINE__);
return NULL;
}
arg = args;
@@ -3896,7 +3919,7 @@ static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struc
bptr += vsize;
arg = alloc_arg();
if (!arg) {
- do_warning("%s(%d): not enough memory!",
+ do_warning_event(event, "%s(%d): not enough memory!",
__func__, __LINE__);
goto out_free;
}
@@ -3919,7 +3942,7 @@ static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struc
case 's':
arg = alloc_arg();
if (!arg) {
- do_warning("%s(%d): not enough memory!",
+ do_warning_event(event, "%s(%d): not enough memory!",
__func__, __LINE__);
goto out_free;
}
@@ -3959,7 +3982,7 @@ get_bprint_format(void *data, int size __maybe_unused,
if (!field) {
field = pevent_find_field(event, "fmt");
if (!field) {
- do_warning("can't find format field for binary printk");
+ do_warning_event(event, "can't find format field for binary printk");
return NULL;
}
pevent->bprint_fmt_field = field;
@@ -4003,8 +4026,8 @@ static void print_mac_arg(struct trace_seq *s, int mac, void *data, int size,
arg->field.field =
pevent_find_any_field(event, arg->field.name);
if (!arg->field.field) {
- do_warning("%s: field %s not found",
- __func__, arg->field.name);
+ do_warning_event(event, "%s: field %s not found",
+ __func__, arg->field.name);
return;
}
}
@@ -4176,7 +4199,7 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct event
case '*':
/* The argument is the length. */
if (!arg) {
- do_warning("no argument match");
+ do_warning_event(event, "no argument match");
event->flags |= EVENT_FL_FAILED;
goto out_failed;
}
@@ -4213,7 +4236,7 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct event
case 'X':
case 'u':
if (!arg) {
- do_warning("no argument match");
+ do_warning_event(event, "no argument match");
event->flags |= EVENT_FL_FAILED;
goto out_failed;
}
@@ -4223,7 +4246,7 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct event
/* should never happen */
if (len > 31) {
- do_warning("bad format!");
+ do_warning_event(event, "bad format!");
event->flags |= EVENT_FL_FAILED;
len = 31;
}
@@ -4290,13 +4313,13 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct event
trace_seq_printf(s, format, (long long)val);
break;
default:
- do_warning("bad count (%d)", ls);
+ do_warning_event(event, "bad count (%d)", ls);
event->flags |= EVENT_FL_FAILED;
}
break;
case 's':
if (!arg) {
- do_warning("no matching argument");
+ do_warning_event(event, "no matching argument");
event->flags |= EVENT_FL_FAILED;
goto out_failed;
}
@@ -4306,7 +4329,7 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct event
/* should never happen */
if (len > 31) {
- do_warning("bad format!");
+ do_warning_event(event, "bad format!");
event->flags |= EVENT_FL_FAILED;
len = 31;
}
@@ -4321,6 +4344,7 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct event
format, len_arg, arg);
trace_seq_terminate(&p);
trace_seq_puts(s, p.buffer);
+ trace_seq_destroy(&p);
arg = arg->next;
break;
default:
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