/* open the metadata global channel */
int kernctl_open_metadata(int fd, struct lttng_channel_attr *chops)
{
- struct lttng_kernel_old_channel old_channel;
struct lttng_kernel_channel channel;
if (lttng_kernel_use_old_abi) {
+ struct lttng_kernel_old_channel old_channel;
+
+ memset(&old_channel, 0, sizeof(old_channel));
old_channel.overwrite = chops->overwrite;
old_channel.subbuf_size = chops->subbuf_size;
old_channel.num_subbuf = chops->num_subbuf;
&old_channel);
}
+ memset(&channel, 0, sizeof(channel));
channel.overwrite = chops->overwrite;
channel.subbuf_size = chops->subbuf_size;
channel.num_subbuf = chops->num_subbuf;
if (lttng_kernel_use_old_abi) {
struct lttng_kernel_old_event old_event;
+ memset(&old_event, 0, sizeof(old_event));
memcpy(old_event.name, ev->name, sizeof(old_event.name));
old_event.instrumentation = ev->instrumentation;
switch (ev->instrumentation) {
if (lttng_kernel_use_old_abi) {
struct lttng_kernel_old_context old_ctx;
+ memset(&old_ctx, 0, sizeof(old_ctx));
old_ctx.ctx = ctx->ctx;
/* only type that uses the union */
if (ctx->ctx == LTTNG_KERNEL_CONTEXT_PERF_CPU_COUNTER) {
return LTTNG_IOCTL_CHECK(fd, RING_BUFFER_FLUSH);
}
+int kernctl_buffer_flush_empty(int fd)
+{
+ return LTTNG_IOCTL_CHECK(fd, RING_BUFFER_FLUSH_EMPTY);
+}
+
/* returns the version of the metadata. */
int kernctl_get_metadata_version(int fd, uint64_t *version)
{
return LTTNG_IOCTL_CHECK(fd, RING_BUFFER_GET_METADATA_VERSION, version);
}
+int kernctl_metadata_cache_dump(int fd)
+{
+ return LTTNG_IOCTL_CHECK(fd, RING_BUFFER_METADATA_CACHE_DUMP);
+}
/* Buffer operations */
return LTTNG_IOCTL_CHECK(fd, RING_BUFFER_SNAPSHOT);
}
+/*
+ * Get a snapshot of the current ring buffer producer and consumer positions,
+ * regardless of whether or not the two positions are contained within the
+ * same sub-buffer.
+ */
+int kernctl_snapshot_sample_positions(int fd)
+{
+ return LTTNG_IOCTL_CHECK(fd, RING_BUFFER_SNAPSHOT_SAMPLE_POSITIONS);
+}
+
/* Get the consumer position (iteration start) */
int kernctl_snapshot_get_consumed(int fd, unsigned long *pos)
{