static
int _lttng_field_statedump(struct lttng_session *session,
const struct lttng_kernel_event_field *field,
- size_t nesting);
+ size_t nesting, const char **prev_field_name_p);
void synchronize_trace(void)
{
* notifications.
*/
event_notifier_group->ops = &transport->ops;
- event_notifier_group->chan = transport->ops.channel_create(
+ event_notifier_group->chan = transport->ops.priv->channel_create(
transport_name, event_notifier_group, NULL,
subbuf_size, num_subbuf, switch_timer_interval,
read_timer_interval);
event_notifier_group->error_counter = NULL;
}
- event_notifier_group->ops->channel_destroy(event_notifier_group->chan);
+ event_notifier_group->ops->priv->channel_destroy(event_notifier_group->chan);
module_put(event_notifier_group->transport->owner);
list_del(&event_notifier_group->node);
* headers. Therefore the "chan" information used as input
* should be already accessible.
*/
- chan->chan = transport->ops.channel_create(transport_name,
+ chan->chan = transport->ops.priv->channel_create(transport_name,
chan, buf_addr, subbuf_size, num_subbuf,
switch_timer_interval, read_timer_interval);
if (!chan->chan)
static
void _lttng_channel_destroy(struct lttng_channel *chan)
{
- chan->ops->channel_destroy(chan->chan);
+ chan->ops->priv->channel_destroy(chan->chan);
module_put(chan->transport->owner);
list_del(&chan->list);
lttng_kernel_destroy_context(chan->ctx);
int lttng_enabler_attach_filter_bytecode(struct lttng_enabler *enabler,
struct lttng_kernel_abi_filter_bytecode __user *bytecode)
{
- struct lttng_bytecode_node *bytecode_node;
+ struct lttng_kernel_bytecode_node *bytecode_node;
uint32_t bytecode_len;
int ret;
static
void lttng_enabler_destroy(struct lttng_enabler *enabler)
{
- struct lttng_bytecode_node *filter_node, *tmp_filter_node;
+ struct lttng_kernel_bytecode_node *filter_node, *tmp_filter_node;
/* Destroy filter bytecode */
list_for_each_entry_safe(filter_node, tmp_filter_node,
struct lttng_event_notifier_enabler *event_notifier_enabler,
struct lttng_kernel_abi_capture_bytecode __user *bytecode)
{
- struct lttng_bytecode_node *bytecode_node;
+ struct lttng_kernel_bytecode_node *bytecode_node;
struct lttng_enabler *enabler =
lttng_event_notifier_enabler_as_enabler(event_notifier_enabler);
uint32_t bytecode_len;
list_for_each_entry(event_recorder_priv, &session->events, node) {
struct lttng_kernel_event_recorder *event_recorder = event_recorder_priv->pub;
struct lttng_enabler_ref *enabler_ref;
- struct lttng_bytecode_runtime *runtime;
+ struct lttng_kernel_bytecode_runtime *runtime;
int enabled = 0, has_enablers_without_filter_bytecode = 0;
int nr_filters = 0;
list_for_each_entry(event_notifier_priv, &event_notifier_group->event_notifiers_head, node) {
struct lttng_kernel_event_notifier *event_notifier = event_notifier_priv->pub;
struct lttng_enabler_ref *enabler_ref;
- struct lttng_bytecode_runtime *runtime;
+ struct lttng_kernel_bytecode_runtime *runtime;
int enabled = 0, has_enablers_without_filter_bytecode = 0;
int nr_filters = 0, nr_captures = 0;
int lttng_metadata_output_channel(struct lttng_metadata_stream *stream,
struct channel *chan, bool *coherent)
{
- struct lib_ring_buffer_ctx ctx;
+ struct lttng_kernel_ring_buffer_ctx ctx;
int ret = 0;
size_t len, reserve_len;
if (!len)
goto end;
reserve_len = min_t(size_t,
- stream->transport->ops.packet_avail_size(chan),
+ stream->transport->ops.priv->packet_avail_size(chan),
len);
lib_ring_buffer_ctx_init(&ctx, chan, reserve_len,
- sizeof(char), -1, NULL);
+ sizeof(char), NULL);
/*
* If reservation failed, return an error to the caller.
*/
- ret = stream->transport->ops.event_reserve(&ctx, 0);
+ ret = stream->transport->ops.event_reserve(&ctx);
if (ret != 0) {
printk(KERN_WARNING "LTTng: Metadata event reservation failed\n");
stream->coherent = false;
const struct lttng_kernel_type_struct *type,
size_t nesting)
{
+ const char *prev_field_name = NULL;
int ret;
uint32_t i, nr_fields;
unsigned int alignment;
const struct lttng_kernel_event_field *iter_field;
iter_field = type->fields[i];
- ret = _lttng_field_statedump(session, iter_field, nesting + 1);
+ ret = _lttng_field_statedump(session, iter_field, nesting + 1, &prev_field_name);
if (ret)
return ret;
}
static
int _lttng_variant_type_statedump(struct lttng_session *session,
const struct lttng_kernel_type_variant *type,
- size_t nesting)
+ size_t nesting,
+ const char *prev_field_name)
{
+ const char *tag_name;
int ret;
uint32_t i, nr_choices;
+ tag_name = type->tag_name;
+ if (!tag_name)
+ tag_name = prev_field_name;
+ if (!tag_name)
+ return -EINVAL;
/*
* CTF 1.8 does not allow expressing nonzero variant alignment in a nestable way.
*/
return ret;
ret = lttng_metadata_printf(session,
"variant <_%s> {\n",
- type->tag_name);
+ tag_name);
if (ret)
return ret;
nr_choices = type->nr_choices;
const struct lttng_kernel_event_field *iter_field;
iter_field = type->choices[i];
- ret = _lttng_field_statedump(session, iter_field, nesting + 1);
+ ret = _lttng_field_statedump(session, iter_field, nesting + 1, NULL);
if (ret)
return ret;
}
static
int _lttng_variant_field_statedump(struct lttng_session *session,
const struct lttng_kernel_event_field *field,
- size_t nesting)
+ size_t nesting,
+ const char *prev_field_name)
{
int ret;
ret = _lttng_variant_type_statedump(session,
- lttng_kernel_get_type_variant(field->type), nesting);
+ lttng_kernel_get_type_variant(field->type), nesting,
+ prev_field_name);
if (ret)
return ret;
return lttng_field_name_statedump(session, field, nesting);
static
int _lttng_sequence_field_statedump(struct lttng_session *session,
const struct lttng_kernel_event_field *field,
- size_t nesting)
+ size_t nesting,
+ const char *prev_field_name)
{
int ret;
const char *length_name;
WARN_ON_ONCE(!sequence_type);
length_name = sequence_type->length_name;
+ if (!length_name)
+ length_name = prev_field_name;
+ if (!length_name)
+ return -EINVAL;
if (sequence_type->alignment) {
ret = print_tabs(session, nesting);
ret = lttng_metadata_printf(session,
" _%s[ _%s ];\n",
field->name,
- sequence_type->length_name);
+ length_name);
return ret;
}
case lttng_kernel_type_variant:
ret = _lttng_variant_type_statedump(session,
lttng_kernel_get_type_variant(type),
- nesting);
+ nesting, NULL);
break;
/* Nested arrays and sequences are not supported yet. */
static
int _lttng_field_statedump(struct lttng_session *session,
const struct lttng_kernel_event_field *field,
- size_t nesting)
+ size_t nesting,
+ const char **prev_field_name_p)
{
+ const char *prev_field_name = NULL;
int ret = 0;
+ if (prev_field_name_p)
+ prev_field_name = *prev_field_name_p;
switch (field->type->type) {
case lttng_kernel_type_integer:
ret = _lttng_integer_field_statedump(session, field, nesting);
ret = _lttng_array_field_statedump(session, field, nesting);
break;
case lttng_kernel_type_sequence:
- ret = _lttng_sequence_field_statedump(session, field, nesting);
+ ret = _lttng_sequence_field_statedump(session, field, nesting, prev_field_name);
break;
case lttng_kernel_type_variant:
- ret = _lttng_variant_field_statedump(session, field, nesting);
+ ret = _lttng_variant_field_statedump(session, field, nesting, prev_field_name);
break;
default:
WARN_ON_ONCE(1);
return -EINVAL;
}
+ if (prev_field_name_p)
+ *prev_field_name_p = field->name;
return ret;
}
int _lttng_context_metadata_statedump(struct lttng_session *session,
struct lttng_kernel_ctx *ctx)
{
+ const char *prev_field_name = NULL;
int ret = 0;
int i;
for (i = 0; i < ctx->nr_fields; i++) {
const struct lttng_kernel_ctx_field *field = &ctx->fields[i];
- ret = _lttng_field_statedump(session, field->event_field, 2);
+ ret = _lttng_field_statedump(session, field->event_field, 2, &prev_field_name);
if (ret)
return ret;
}
int _lttng_fields_metadata_statedump(struct lttng_session *session,
struct lttng_kernel_event_recorder *event_recorder)
{
+ const char *prev_field_name = NULL;
const struct lttng_kernel_event_desc *desc = event_recorder->priv->parent.desc;
int ret = 0;
int i;
for (i = 0; i < desc->nr_fields; i++) {
const struct lttng_kernel_event_field *field = desc->fields[i];
- ret = _lttng_field_statedump(session, field, 2);
+ ret = _lttng_field_statedump(session, field, 2, &prev_field_name);
if (ret)
return ret;
}
projects / lttng-modules.git / blobdiff