#include "../libringbuffer/frontend.h"
#include "../liblttng-ust/wait.h"
#include "../liblttng-ust/lttng-rb-clients.h"
+#include "../liblttng-ust/clock.h"
/*
* Number of milliseconds to retry before failing metadata writes on
memset(&lum, 0, sizeof(lum));
lum.handle = obj_data->handle;
lum.cmd = LTTNG_UST_CONTEXT;
- lum.u.context.ctx = ctx->ctx;
+ lum.u.context = *ctx;
ret = ustcomm_send_app_cmd(sock, &lum, &lur);
if (ret) {
free(context_data);
return ustcomm_recv_app_reply(sock, &lur, lum.handle, lum.cmd);
}
+int ustctl_set_exclusion(int sock, struct lttng_ust_event_exclusion *exclusion,
+ struct lttng_ust_object_data *obj_data)
+{
+ struct ustcomm_ust_msg lum;
+ struct ustcomm_ust_reply lur;
+ int ret;
+
+ if (!obj_data) {
+ return -EINVAL;
+ }
+
+ memset(&lum, 0, sizeof(lum));
+ lum.handle = obj_data->handle;
+ lum.cmd = LTTNG_UST_EXCLUSION;
+ lum.u.exclusion.count = exclusion->count;
+
+ ret = ustcomm_send_app_msg(sock, &lum);
+ if (ret) {
+ return ret;
+ }
+
+ /* send var len exclusion names */
+ ret = ustcomm_send_unix_sock(sock,
+ exclusion->names,
+ exclusion->count * LTTNG_UST_SYM_NAME_LEN);
+ if (ret < 0) {
+ return ret;
+ }
+ if (ret != exclusion->count * LTTNG_UST_SYM_NAME_LEN) {
+ return -EINVAL;
+ }
+ return ustcomm_recv_app_reply(sock, &lur, lum.handle, lum.cmd);
+}
+
/* Enable event, channel and session ioctl */
int ustctl_enable(int sock, struct lttng_ust_object_data *object)
{
/* Buffer operations */
+int ustctl_get_nr_stream_per_channel(void)
+{
+ return num_possible_cpus();
+}
+
struct ustctl_consumer_channel *
- ustctl_create_channel(struct ustctl_consumer_channel_attr *attr)
+ ustctl_create_channel(struct ustctl_consumer_channel_attr *attr,
+ const int *stream_fds, int nr_stream_fds)
{
struct ustctl_consumer_channel *chan;
const char *transport_name;
attr->subbuf_size, attr->num_subbuf,
attr->switch_timer_interval,
attr->read_timer_interval,
- attr->uuid, attr->chan_id);
+ attr->uuid, attr->chan_id,
+ stream_fds, nr_stream_fds);
if (!chan->chan) {
goto chan_error;
}
void ustctl_destroy_channel(struct ustctl_consumer_channel *chan)
{
+ (void) ustctl_channel_close_wait_fd(chan);
+ (void) ustctl_channel_close_wakeup_fd(chan);
chan->chan->ops->channel_destroy(chan->chan);
free(chan);
}
assert(stream);
buf = stream->buf;
consumer_chan = stream->chan;
+ (void) ustctl_stream_close_wait_fd(stream);
+ (void) ustctl_stream_close_wakeup_fd(stream);
lib_ring_buffer_release_read(buf, consumer_chan->chan->handle);
free(stream);
}
unsigned long sb_bindex;
struct lttng_ust_lib_ring_buffer *buf;
struct ustctl_consumer_channel *consumer_chan;
+ struct lttng_ust_lib_ring_buffer_backend_pages_shmp *barray_idx;
+ struct lttng_ust_lib_ring_buffer_backend_pages *pages;
if (!stream)
return -EINVAL;
return -EINVAL;
sb_bindex = subbuffer_id_get_index(&chan->backend.config,
buf->backend.buf_rsb.id);
- *off = shmp(consumer_chan->chan->handle,
- shmp_index(consumer_chan->chan->handle, buf->backend.array, sb_bindex)->shmp)->mmap_offset;
+ barray_idx = shmp_index(consumer_chan->chan->handle, buf->backend.array,
+ sb_bindex);
+ if (!barray_idx)
+ return -EINVAL;
+ pages = shmp(consumer_chan->chan->handle, barray_idx->shmp);
+ if (!pages)
+ return -EINVAL;
+ *off = pages->mmap_offset;
return 0;
}
struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb;
chan = shmp(handle, buf->backend.chan);
+ if (!chan)
+ return NULL;
config = &chan->backend.config;
if (!config->cb_ptr)
return NULL;
uint64_t *timestamp_begin)
{
struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb;
- struct lttng_ust_lib_ring_buffer *buf = stream->buf;
- struct lttng_ust_shm_handle *handle = stream->chan->chan->handle;
+ struct lttng_ust_lib_ring_buffer *buf;
+ struct lttng_ust_shm_handle *handle;
if (!stream || !timestamp_begin)
return -EINVAL;
+ buf = stream->buf;
+ handle = stream->chan->chan->handle;
client_cb = get_client_cb(buf, handle);
if (!client_cb)
return -ENOSYS;
uint64_t *timestamp_end)
{
struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb;
- struct lttng_ust_lib_ring_buffer *buf = stream->buf;
- struct lttng_ust_shm_handle *handle = stream->chan->chan->handle;
+ struct lttng_ust_lib_ring_buffer *buf;
+ struct lttng_ust_shm_handle *handle;
if (!stream || !timestamp_end)
return -EINVAL;
+ buf = stream->buf;
+ handle = stream->chan->chan->handle;
client_cb = get_client_cb(buf, handle);
if (!client_cb)
return -ENOSYS;
uint64_t *events_discarded)
{
struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb;
- struct lttng_ust_lib_ring_buffer *buf = stream->buf;
- struct lttng_ust_shm_handle *handle = stream->chan->chan->handle;
+ struct lttng_ust_lib_ring_buffer *buf;
+ struct lttng_ust_shm_handle *handle;
if (!stream || !events_discarded)
return -EINVAL;
+ buf = stream->buf;
+ handle = stream->chan->chan->handle;
client_cb = get_client_cb(buf, handle);
if (!client_cb)
return -ENOSYS;
uint64_t *content_size)
{
struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb;
- struct lttng_ust_lib_ring_buffer *buf = stream->buf;
- struct lttng_ust_shm_handle *handle = stream->chan->chan->handle;
+ struct lttng_ust_lib_ring_buffer *buf;
+ struct lttng_ust_shm_handle *handle;
if (!stream || !content_size)
return -EINVAL;
+ buf = stream->buf;
+ handle = stream->chan->chan->handle;
client_cb = get_client_cb(buf, handle);
if (!client_cb)
return -ENOSYS;
uint64_t *packet_size)
{
struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb;
- struct lttng_ust_lib_ring_buffer *buf = stream->buf;
- struct lttng_ust_shm_handle *handle = stream->chan->chan->handle;
+ struct lttng_ust_lib_ring_buffer *buf;
+ struct lttng_ust_shm_handle *handle;
if (!stream || !packet_size)
return -EINVAL;
+ buf = stream->buf;
+ handle = stream->chan->chan->handle;
client_cb = get_client_cb(buf, handle);
if (!client_cb)
return -ENOSYS;
uint64_t *stream_id)
{
struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb;
- struct lttng_ust_lib_ring_buffer *buf = stream->buf;
- struct lttng_ust_shm_handle *handle = stream->chan->chan->handle;
+ struct lttng_ust_lib_ring_buffer *buf;
+ struct lttng_ust_shm_handle *handle;
if (!stream || !stream_id)
return -EINVAL;
+ buf = stream->buf;
+ handle = stream->chan->chan->handle;
client_cb = get_client_cb(buf, handle);
if (!client_cb)
return -ENOSYS;
return client_cb->stream_id(buf, handle, stream_id);
}
+int ustctl_get_current_timestamp(struct ustctl_consumer_stream *stream,
+ uint64_t *ts)
+{
+ struct lttng_ust_client_lib_ring_buffer_client_cb *client_cb;
+ struct lttng_ust_lib_ring_buffer *buf;
+ struct lttng_ust_shm_handle *handle;
+
+ if (!stream || !ts)
+ return -EINVAL;
+ buf = stream->buf;
+ handle = stream->chan->chan->handle;
+ client_cb = get_client_cb(buf, handle);
+ if (!client_cb || !client_cb->current_timestamp)
+ return -ENOSYS;
+ return client_cb->current_timestamp(buf, handle, ts);
+}
+
+#if defined(__x86_64__) || defined(__i386__)
+
+int ustctl_has_perf_counters(void)
+{
+ return 1;
+}
+
+#else
+
+int ustctl_has_perf_counters(void)
+{
+ return 0;
+}
+
+#endif
+
/*
* Returns 0 on success, negative error value on error.
*/
return -LTTNG_UST_ERR_UNSUP_MAJOR;
}
+ /*
+ * Addition of enumeration inside _ustclt_basic_type should have been
+ * marked as a breaking ABI change since it blows past the included
+ * padding hence result in bigger than expected struct. Refuse
+ * registration for non-matching minor version since only two minor
+ * versions exist for ust-2.7(6.0) and 2.8(6.1).
+ */
+ if (reg_msg.minor != LTTNG_UST_ABI_MINOR_VERSION) {
+ return -LTTNG_UST_ERR_UNSUP_MAJOR;
+ }
+
return 0;
}
void ustctl_init(void)
{
init_usterr();
+ lttng_ust_clock_init();
lttng_ring_buffer_metadata_client_init();
lttng_ring_buffer_client_overwrite_init();
lttng_ring_buffer_client_overwrite_rt_init();