X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=src%2Flib%2Fringbuffer%2Fring_buffer_iterator.c;h=25839af631351c8c05af3745a7b9b05c034886d7;hb=959132c967690a1ab263766279e779c4d36fa3b9;hp=53ce6b44dd54faacf2d33ef05152242b93e7082f;hpb=4071a6283f2291a5894dc6b46608721fc6a56239;p=lttng-modules.git diff --git a/src/lib/ringbuffer/ring_buffer_iterator.c b/src/lib/ringbuffer/ring_buffer_iterator.c index 53ce6b44..25839af6 100644 --- a/src/lib/ringbuffer/ring_buffer_iterator.c +++ b/src/lib/ringbuffer/ring_buffer_iterator.c @@ -36,10 +36,10 @@ * buffer is empty and finalized. The buffer must already be opened for reading. */ ssize_t lib_ring_buffer_get_next_record(struct lttng_kernel_ring_buffer_channel *chan, - struct lib_ring_buffer *buf) + struct lttng_kernel_ring_buffer *buf) { - const struct lib_ring_buffer_config *config = &chan->backend.config; - struct lib_ring_buffer_iter *iter = &buf->iter; + const struct lttng_kernel_ring_buffer_config *config = &chan->backend.config; + struct lttng_kernel_ring_buffer_iter *iter = &buf->iter; int ret; restart: @@ -105,9 +105,9 @@ restart: } EXPORT_SYMBOL_GPL(lib_ring_buffer_get_next_record); -void lib_ring_buffer_put_current_record(struct lib_ring_buffer *buf) +void lib_ring_buffer_put_current_record(struct lttng_kernel_ring_buffer *buf) { - struct lib_ring_buffer_iter *iter; + struct lttng_kernel_ring_buffer_iter *iter; if (!buf) return; @@ -125,19 +125,19 @@ EXPORT_SYMBOL_GPL(lib_ring_buffer_put_current_record); static int buf_is_higher(void *a, void *b) { - struct lib_ring_buffer *bufa = a; - struct lib_ring_buffer *bufb = b; + struct lttng_kernel_ring_buffer *bufa = a; + struct lttng_kernel_ring_buffer *bufb = b; /* Consider lowest timestamps to be at the top of the heap */ return (bufa->iter.timestamp < bufb->iter.timestamp); } static -void lib_ring_buffer_get_empty_buf_records(const struct lib_ring_buffer_config *config, +void lib_ring_buffer_get_empty_buf_records(const struct lttng_kernel_ring_buffer_config *config, struct lttng_kernel_ring_buffer_channel *chan) { struct lttng_ptr_heap *heap = &chan->iter.heap; - struct lib_ring_buffer *buf, *tmp; + struct lttng_kernel_ring_buffer *buf, *tmp; ssize_t len; list_for_each_entry_safe(buf, tmp, &chan->iter.empty_head, @@ -177,7 +177,7 @@ void lib_ring_buffer_get_empty_buf_records(const struct lib_ring_buffer_config * } static -void lib_ring_buffer_wait_for_qs(const struct lib_ring_buffer_config *config, +void lib_ring_buffer_wait_for_qs(const struct lttng_kernel_ring_buffer_config *config, struct lttng_kernel_ring_buffer_channel *chan) { u64 timestamp_qs; @@ -239,10 +239,10 @@ void lib_ring_buffer_wait_for_qs(const struct lib_ring_buffer_config *config, */ ssize_t channel_get_next_record(struct lttng_kernel_ring_buffer_channel *chan, - struct lib_ring_buffer **ret_buf) + struct lttng_kernel_ring_buffer **ret_buf) { - const struct lib_ring_buffer_config *config = &chan->backend.config; - struct lib_ring_buffer *buf; + const struct lttng_kernel_ring_buffer_config *config = &chan->backend.config; + struct lttng_kernel_ring_buffer *buf; struct lttng_ptr_heap *heap; ssize_t len; @@ -337,7 +337,7 @@ ssize_t channel_get_next_record(struct lttng_kernel_ring_buffer_channel *chan, EXPORT_SYMBOL_GPL(channel_get_next_record); static -void lib_ring_buffer_iterator_init(struct lttng_kernel_ring_buffer_channel *chan, struct lib_ring_buffer *buf) +void lib_ring_buffer_iterator_init(struct lttng_kernel_ring_buffer_channel *chan, struct lttng_kernel_ring_buffer *buf) { if (buf->iter.allocated) return; @@ -360,8 +360,8 @@ int lttng_cpuhp_rb_iter_online(unsigned int cpu, { struct lttng_kernel_ring_buffer_channel *chan = container_of(node, struct lttng_kernel_ring_buffer_channel, cpuhp_iter_online); - struct lib_ring_buffer *buf = per_cpu_ptr(chan->backend.buf, cpu); - const struct lib_ring_buffer_config *config = &chan->backend.config; + struct lttng_kernel_ring_buffer *buf = per_cpu_ptr(chan->backend.buf, cpu); + const struct lttng_kernel_ring_buffer_config *config = &chan->backend.config; CHAN_WARN_ON(chan, config->alloc == RING_BUFFER_ALLOC_GLOBAL); @@ -381,8 +381,8 @@ int channel_iterator_cpu_hotplug(struct notifier_block *nb, unsigned int cpu = (unsigned long)hcpu; struct lttng_kernel_ring_buffer_channel *chan = container_of(nb, struct lttng_kernel_ring_buffer_channel, hp_iter_notifier); - struct lib_ring_buffer *buf = per_cpu_ptr(chan->backend.buf, cpu); - const struct lib_ring_buffer_config *config = &chan->backend.config; + struct lttng_kernel_ring_buffer *buf = per_cpu_ptr(chan->backend.buf, cpu); + const struct lttng_kernel_ring_buffer_config *config = &chan->backend.config; if (!chan->hp_iter_enable) return NOTIFY_DONE; @@ -406,8 +406,8 @@ int channel_iterator_cpu_hotplug(struct notifier_block *nb, int channel_iterator_init(struct lttng_kernel_ring_buffer_channel *chan) { - const struct lib_ring_buffer_config *config = &chan->backend.config; - struct lib_ring_buffer *buf; + const struct lttng_kernel_ring_buffer_config *config = &chan->backend.config; + struct lttng_kernel_ring_buffer *buf; if (config->alloc == RING_BUFFER_ALLOC_PER_CPU) { int ret; @@ -464,7 +464,7 @@ int channel_iterator_init(struct lttng_kernel_ring_buffer_channel *chan) void channel_iterator_unregister_notifiers(struct lttng_kernel_ring_buffer_channel *chan) { - const struct lib_ring_buffer_config *config = &chan->backend.config; + const struct lttng_kernel_ring_buffer_config *config = &chan->backend.config; if (config->alloc == RING_BUFFER_ALLOC_PER_CPU) { #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0)) @@ -484,16 +484,16 @@ void channel_iterator_unregister_notifiers(struct lttng_kernel_ring_buffer_chann void channel_iterator_free(struct lttng_kernel_ring_buffer_channel *chan) { - const struct lib_ring_buffer_config *config = &chan->backend.config; + const struct lttng_kernel_ring_buffer_config *config = &chan->backend.config; if (config->alloc == RING_BUFFER_ALLOC_PER_CPU) lttng_heap_free(&chan->iter.heap); } -int lib_ring_buffer_iterator_open(struct lib_ring_buffer *buf) +int lib_ring_buffer_iterator_open(struct lttng_kernel_ring_buffer *buf) { struct lttng_kernel_ring_buffer_channel *chan = buf->backend.chan; - const struct lib_ring_buffer_config *config = &chan->backend.config; + const struct lttng_kernel_ring_buffer_config *config = &chan->backend.config; CHAN_WARN_ON(chan, config->output != RING_BUFFER_ITERATOR); return lib_ring_buffer_open_read(buf); } @@ -504,7 +504,7 @@ EXPORT_SYMBOL_GPL(lib_ring_buffer_iterator_open); * iterator can leave the buffer in "GET" state, which is not consistent with * other types of output (mmap, splice, raw data read). */ -void lib_ring_buffer_iterator_release(struct lib_ring_buffer *buf) +void lib_ring_buffer_iterator_release(struct lttng_kernel_ring_buffer *buf) { lib_ring_buffer_release_read(buf); } @@ -512,8 +512,8 @@ EXPORT_SYMBOL_GPL(lib_ring_buffer_iterator_release); int channel_iterator_open(struct lttng_kernel_ring_buffer_channel *chan) { - const struct lib_ring_buffer_config *config = &chan->backend.config; - struct lib_ring_buffer *buf; + const struct lttng_kernel_ring_buffer_config *config = &chan->backend.config; + struct lttng_kernel_ring_buffer *buf; int ret = 0, cpu; CHAN_WARN_ON(chan, config->output != RING_BUFFER_ITERATOR); @@ -545,8 +545,8 @@ EXPORT_SYMBOL_GPL(channel_iterator_open); void channel_iterator_release(struct lttng_kernel_ring_buffer_channel *chan) { - const struct lib_ring_buffer_config *config = &chan->backend.config; - struct lib_ring_buffer *buf; + const struct lttng_kernel_ring_buffer_config *config = &chan->backend.config; + struct lttng_kernel_ring_buffer *buf; int cpu; if (config->alloc == RING_BUFFER_ALLOC_PER_CPU) { @@ -567,7 +567,7 @@ void channel_iterator_release(struct lttng_kernel_ring_buffer_channel *chan) } EXPORT_SYMBOL_GPL(channel_iterator_release); -void lib_ring_buffer_iterator_reset(struct lib_ring_buffer *buf) +void lib_ring_buffer_iterator_reset(struct lttng_kernel_ring_buffer *buf) { struct lttng_kernel_ring_buffer_channel *chan = buf->backend.chan; @@ -588,8 +588,8 @@ void lib_ring_buffer_iterator_reset(struct lib_ring_buffer *buf) void channel_iterator_reset(struct lttng_kernel_ring_buffer_channel *chan) { - const struct lib_ring_buffer_config *config = &chan->backend.config; - struct lib_ring_buffer *buf; + const struct lttng_kernel_ring_buffer_config *config = &chan->backend.config; + struct lttng_kernel_ring_buffer *buf; int cpu; /* Empty heap, put into empty_head */ @@ -616,10 +616,10 @@ ssize_t channel_ring_buffer_file_read(struct file *filp, size_t count, loff_t *ppos, struct lttng_kernel_ring_buffer_channel *chan, - struct lib_ring_buffer *buf, + struct lttng_kernel_ring_buffer *buf, int fusionmerge) { - const struct lib_ring_buffer_config *config = &chan->backend.config; + const struct lttng_kernel_ring_buffer_config *config = &chan->backend.config; size_t read_count = 0, read_offset; ssize_t len; @@ -743,7 +743,7 @@ ssize_t lib_ring_buffer_file_read(struct file *filp, loff_t *ppos) { struct inode *inode = filp->lttng_f_dentry->d_inode; - struct lib_ring_buffer *buf = inode->i_private; + struct lttng_kernel_ring_buffer *buf = inode->i_private; struct lttng_kernel_ring_buffer_channel *chan = buf->backend.chan; return channel_ring_buffer_file_read(filp, user_buf, count, ppos, @@ -769,13 +769,13 @@ ssize_t channel_file_read(struct file *filp, { struct inode *inode = filp->lttng_f_dentry->d_inode; struct lttng_kernel_ring_buffer_channel *chan = inode->i_private; - const struct lib_ring_buffer_config *config = &chan->backend.config; + const struct lttng_kernel_ring_buffer_config *config = &chan->backend.config; if (config->alloc == RING_BUFFER_ALLOC_PER_CPU) return channel_ring_buffer_file_read(filp, user_buf, count, ppos, chan, NULL, 1); else { - struct lib_ring_buffer *buf = + struct lttng_kernel_ring_buffer *buf = channel_get_ring_buffer(config, chan, 0); return channel_ring_buffer_file_read(filp, user_buf, count, ppos, chan, buf, 0); @@ -785,7 +785,7 @@ ssize_t channel_file_read(struct file *filp, static int lib_ring_buffer_file_open(struct inode *inode, struct file *file) { - struct lib_ring_buffer *buf = inode->i_private; + struct lttng_kernel_ring_buffer *buf = inode->i_private; int ret; ret = lib_ring_buffer_iterator_open(buf); @@ -806,7 +806,7 @@ release_iter: static int lib_ring_buffer_file_release(struct inode *inode, struct file *file) { - struct lib_ring_buffer *buf = inode->i_private; + struct lttng_kernel_ring_buffer *buf = inode->i_private; lib_ring_buffer_iterator_release(buf); return 0;