#include <inttypes.h>
#include <signal.h>
+#include <bin/lttng-consumerd/health-consumerd.h>
#include <common/common.h>
#include <common/utils.h>
#include <common/compat/poll.h>
+#include <common/index/index.h>
#include <common/kernel-ctl/kernel-ctl.h>
#include <common/sessiond-comm/relayd.h>
#include <common/sessiond-comm/sessiond-comm.h>
#include <common/kernel-consumer/kernel-consumer.h>
#include <common/relayd/relayd.h>
#include <common/ust-consumer/ust-consumer.h>
+#include <common/consumer-timer.h>
#include "consumer.h"
#include "consumer-stream.h"
(void) lttng_pipe_write(pipe, &null_stream, sizeof(null_stream));
}
+static void notify_health_quit_pipe(int *pipe)
+{
+ int ret;
+
+ do {
+ ret = write(pipe[1], "4", 1);
+ } while (ret < 0 && errno == EINTR);
+ if (ret < 0 || ret != 1) {
+ PERROR("write consumer health quit");
+ }
+}
+
static void notify_channel_pipe(struct lttng_consumer_local_data *ctx,
struct lttng_consumer_channel *chan,
uint64_t key,
consumer_stream_destroy(stream, NULL);
}
+ if (channel->live_timer_enabled == 1) {
+ consumer_timer_live_stop(channel);
+ }
+
switch (consumer_data.type) {
case LTTNG_CONSUMER_KERNEL:
break;
stream->session_id = session_id;
stream->monitor = monitor;
stream->endpoint_status = CONSUMER_ENDPOINT_ACTIVE;
+ stream->index_fd = -1;
pthread_mutex_init(&stream->lock, NULL);
/* If channel is the metadata, flag this stream as metadata. */
stream->metadata_flag = 1;
/* Metadata is flat out. */
strncpy(stream->name, DEFAULT_METADATA_NAME, sizeof(stream->name));
+ /* Live rendez-vous point. */
+ pthread_cond_init(&stream->metadata_rdv, NULL);
+ pthread_mutex_init(&stream->metadata_rdv_lock, NULL);
} else {
/* Format stream name to <channel_name>_<cpu_number> */
ret = snprintf(stream->name, sizeof(stream->name), "%s_%d",
if (ret < 0) {
goto end;
}
+
uatomic_inc(&relayd->refcount);
stream->sent_to_relayd = 1;
} else {
uint64_t tracefile_size,
uint64_t tracefile_count,
uint64_t session_id_per_pid,
- unsigned int monitor)
+ unsigned int monitor,
+ unsigned int live_timer_interval)
{
struct lttng_consumer_channel *channel;
channel->tracefile_size = tracefile_size;
channel->tracefile_count = tracefile_count;
channel->monitor = monitor;
+ channel->live_timer_interval = live_timer_interval;
pthread_mutex_init(&channel->lock, NULL);
pthread_mutex_init(&channel->timer_lock, NULL);
ssize_t lttng_consumer_on_read_subbuffer_mmap(
struct lttng_consumer_local_data *ctx,
struct lttng_consumer_stream *stream, unsigned long len,
- unsigned long padding)
+ unsigned long padding,
+ struct lttng_packet_index *index)
{
unsigned long mmap_offset;
void *mmap_base;
ret = utils_rotate_stream_file(stream->chan->pathname,
stream->name, stream->chan->tracefile_size,
stream->chan->tracefile_count, stream->uid, stream->gid,
- stream->out_fd, &(stream->tracefile_count_current));
+ stream->out_fd, &(stream->tracefile_count_current),
+ &stream->out_fd);
if (ret < 0) {
ERR("Rotating output file");
goto end;
}
- outfd = stream->out_fd = ret;
+ outfd = stream->out_fd;
+
+ if (stream->index_fd >= 0) {
+ ret = index_create_file(stream->chan->pathname,
+ stream->name, stream->uid, stream->gid,
+ stream->chan->tracefile_size,
+ stream->tracefile_count_current);
+ if (ret < 0) {
+ goto end;
+ }
+ stream->index_fd = ret;
+ }
+
/* Reset current size because we just perform a rotation. */
stream->tracefile_size_current = 0;
stream->out_fd_offset = 0;
orig_offset = 0;
}
stream->tracefile_size_current += len;
+ if (index) {
+ index->offset = htobe64(stream->out_fd_offset);
+ }
}
while (len > 0) {
ssize_t lttng_consumer_on_read_subbuffer_splice(
struct lttng_consumer_local_data *ctx,
struct lttng_consumer_stream *stream, unsigned long len,
- unsigned long padding)
+ unsigned long padding,
+ struct lttng_packet_index *index)
{
ssize_t ret = 0, written = 0, ret_splice = 0;
loff_t offset = 0;
ret = utils_rotate_stream_file(stream->chan->pathname,
stream->name, stream->chan->tracefile_size,
stream->chan->tracefile_count, stream->uid, stream->gid,
- stream->out_fd, &(stream->tracefile_count_current));
+ stream->out_fd, &(stream->tracefile_count_current),
+ &stream->out_fd);
if (ret < 0) {
ERR("Rotating output file");
goto end;
}
- outfd = stream->out_fd = ret;
+ outfd = stream->out_fd;
+
+ if (stream->index_fd >= 0) {
+ ret = index_create_file(stream->chan->pathname,
+ stream->name, stream->uid, stream->gid,
+ stream->chan->tracefile_size,
+ stream->tracefile_count_current);
+ if (ret < 0) {
+ goto end;
+ }
+ stream->index_fd = ret;
+ }
+
/* Reset current size because we just perform a rotation. */
stream->tracefile_size_current = 0;
stream->out_fd_offset = 0;
orig_offset = 0;
}
stream->tracefile_size_current += len;
+ index->offset = htobe64(stream->out_fd_offset);
}
while (len > 0) {
*/
void *consumer_thread_metadata_poll(void *data)
{
- int ret, i, pollfd;
+ int ret, i, pollfd, err = -1;
uint32_t revents, nb_fd;
struct lttng_consumer_stream *stream = NULL;
struct lttng_ht_iter iter;
rcu_register_thread();
+ health_register(health_consumerd, HEALTH_CONSUMERD_TYPE_METADATA);
+
+ health_code_update();
+
metadata_ht = lttng_ht_new(0, LTTNG_HT_TYPE_U64);
if (!metadata_ht) {
/* ENOMEM at this point. Better to bail out. */
DBG("Metadata main loop started");
while (1) {
+ health_code_update();
+
/* Only the metadata pipe is set */
if (LTTNG_POLL_GETNB(&events) == 0 && consumer_quit == 1) {
+ err = 0; /* All is OK */
goto end;
}
restart:
DBG("Metadata poll wait with %d fd(s)", LTTNG_POLL_GETNB(&events));
+ health_poll_entry();
ret = lttng_poll_wait(&events, -1);
+ health_poll_exit();
DBG("Metadata event catched in thread");
if (ret < 0) {
if (errno == EINTR) {
/* From here, the event is a metadata wait fd */
for (i = 0; i < nb_fd; i++) {
+ health_code_update();
+
revents = LTTNG_POLL_GETEV(&events, i);
pollfd = LTTNG_POLL_GETFD(&events, i);
/* We just flushed the stream now read it. */
do {
+ health_code_update();
+
len = ctx->on_buffer_ready(stream, ctx);
/*
* We don't check the return value here since if we get
assert(stream->wait_fd == pollfd);
do {
+ health_code_update();
+
len = ctx->on_buffer_ready(stream, ctx);
/*
* We don't check the return value here since if we get
}
}
+ /* All is OK */
+ err = 0;
error:
end:
DBG("Metadata poll thread exiting");
end_poll:
destroy_stream_ht(metadata_ht);
end_ht:
+ if (err) {
+ health_error();
+ ERR("Health error occurred in %s", __func__);
+ }
+ health_unregister(health_consumerd);
rcu_unregister_thread();
return NULL;
}
*/
void *consumer_thread_data_poll(void *data)
{
- int num_rdy, num_hup, high_prio, ret, i;
+ int num_rdy, num_hup, high_prio, ret, i, err = -1;
struct pollfd *pollfd = NULL;
/* local view of the streams */
struct lttng_consumer_stream **local_stream = NULL, *new_stream = NULL;
rcu_register_thread();
+ health_register(health_consumerd, HEALTH_CONSUMERD_TYPE_DATA);
+
+ health_code_update();
+
data_ht = lttng_ht_new(0, LTTNG_HT_TYPE_U64);
if (data_ht == NULL) {
/* ENOMEM at this point. Better to bail out. */
}
while (1) {
+ health_code_update();
+
high_prio = 0;
num_hup = 0;
/* No FDs and consumer_quit, consumer_cleanup the thread */
if (nb_fd == 0 && consumer_quit == 1) {
+ err = 0; /* All is OK */
goto end;
}
/* poll on the array of fds */
restart:
DBG("polling on %d fd", nb_fd + 1);
+ health_poll_entry();
num_rdy = poll(pollfd, nb_fd + 1, -1);
+ health_poll_exit();
DBG("poll num_rdy : %d", num_rdy);
if (num_rdy == -1) {
/*
/* Take care of high priority channels first. */
for (i = 0; i < nb_fd; i++) {
+ health_code_update();
+
if (local_stream[i] == NULL) {
continue;
}
/* Take care of low priority channels. */
for (i = 0; i < nb_fd; i++) {
+ health_code_update();
+
if (local_stream[i] == NULL) {
continue;
}
/* Handle hangup and errors */
for (i = 0; i < nb_fd; i++) {
+ health_code_update();
+
if (local_stream[i] == NULL) {
continue;
}
}
}
}
+ /* All is OK */
+ err = 0;
end:
DBG("polling thread exiting");
free(pollfd);
destroy_data_stream_ht(data_ht);
+ if (err) {
+ health_error();
+ ERR("Health error occurred in %s", __func__);
+ }
+ health_unregister(health_consumerd);
+
rcu_unregister_thread();
return NULL;
}
*/
void *consumer_thread_channel_poll(void *data)
{
- int ret, i, pollfd;
+ int ret, i, pollfd, err = -1;
uint32_t revents, nb_fd;
struct lttng_consumer_channel *chan = NULL;
struct lttng_ht_iter iter;
rcu_register_thread();
+ health_register(health_consumerd, HEALTH_CONSUMERD_TYPE_CHANNEL);
+
+ health_code_update();
+
channel_ht = lttng_ht_new(0, LTTNG_HT_TYPE_U64);
if (!channel_ht) {
/* ENOMEM at this point. Better to bail out. */
DBG("Channel main loop started");
while (1) {
+ health_code_update();
+
/* Only the channel pipe is set */
if (LTTNG_POLL_GETNB(&events) == 0 && consumer_quit == 1) {
+ err = 0; /* All is OK */
goto end;
}
restart:
DBG("Channel poll wait with %d fd(s)", LTTNG_POLL_GETNB(&events));
+ health_poll_entry();
ret = lttng_poll_wait(&events, -1);
+ health_poll_exit();
DBG("Channel event catched in thread");
if (ret < 0) {
if (errno == EINTR) {
/* From here, the event is a channel wait fd */
for (i = 0; i < nb_fd; i++) {
+ health_code_update();
+
revents = LTTNG_POLL_GETEV(&events, i);
pollfd = LTTNG_POLL_GETFD(&events, i);
/* Delete streams that might have been left in the stream list. */
cds_list_for_each_entry_safe(stream, stmp, &chan->streams.head,
send_node) {
+ health_code_update();
+
cds_list_del(&stream->send_node);
lttng_ustconsumer_del_stream(stream);
uatomic_sub(&stream->chan->refcount, 1);
}
}
+ /* All is OK */
+ err = 0;
end:
lttng_poll_clean(&events);
end_poll:
destroy_channel_ht(channel_ht);
end_ht:
DBG("Channel poll thread exiting");
+ if (err) {
+ health_error();
+ ERR("Health error occurred in %s", __func__);
+ }
+ health_unregister(health_consumerd);
rcu_unregister_thread();
return NULL;
}
*/
void *consumer_thread_sessiond_poll(void *data)
{
- int sock = -1, client_socket, ret;
+ int sock = -1, client_socket, ret, err = -1;
/*
* structure to poll for incoming data on communication socket avoids
* making blocking sockets.
rcu_register_thread();
+ health_register(health_consumerd, HEALTH_CONSUMERD_TYPE_SESSIOND);
+
+ health_code_update();
+
DBG("Creating command socket %s", ctx->consumer_command_sock_path);
unlink(ctx->consumer_command_sock_path);
client_socket = lttcomm_create_unix_sock(ctx->consumer_command_sock_path);
consumer_sockpoll[1].events = POLLIN | POLLPRI;
while (1) {
- if (lttng_consumer_poll_socket(consumer_sockpoll) < 0) {
+ health_code_update();
+
+ health_poll_entry();
+ ret = lttng_consumer_poll_socket(consumer_sockpoll);
+ health_poll_exit();
+ if (ret < 0) {
goto end;
}
DBG("Incoming command on sock");
* ERR() here.
*/
DBG("Communication interrupted on command socket");
+ err = 0;
goto end;
}
if (consumer_quit) {
DBG("consumer_thread_receive_fds received quit from signal");
+ err = 0; /* All is OK */
goto end;
}
DBG("received command on sock");
}
+ /* All is OK */
+ err = 0;
+
end:
DBG("Consumer thread sessiond poll exiting");
notify_channel_pipe(ctx, NULL, -1, CONSUMER_CHANNEL_QUIT);
+ notify_health_quit_pipe(health_quit_pipe);
+
/* Cleaning up possibly open sockets. */
if (sock >= 0) {
ret = close(sock);
}
}
+ if (err) {
+ health_error();
+ ERR("Health error occurred in %s", __func__);
+ }
+ health_unregister(health_consumerd);
+
rcu_unregister_thread();
return NULL;
}
ssize_t ret;
pthread_mutex_lock(&stream->lock);
+ if (stream->metadata_flag) {
+ pthread_mutex_lock(&stream->metadata_rdv_lock);
+ }
switch (consumer_data.type) {
case LTTNG_CONSUMER_KERNEL:
break;
}
+ if (stream->metadata_flag) {
+ pthread_cond_broadcast(&stream->metadata_rdv);
+ pthread_mutex_unlock(&stream->metadata_rdv_lock);
+ }
pthread_mutex_unlock(&stream->lock);
return ret;
}
int consumer_add_relayd_socket(uint64_t net_seq_idx, int sock_type,
struct lttng_consumer_local_data *ctx, int sock,
struct pollfd *consumer_sockpoll,
- struct lttcomm_relayd_sock *relayd_sock, uint64_t sessiond_id)
+ struct lttcomm_relayd_sock *relayd_sock, uint64_t sessiond_id,
+ uint64_t relayd_session_id)
{
int fd = -1, ret = -1, relayd_created = 0;
enum lttng_error_code ret_code = LTTNG_OK;
relayd->control_sock.major = relayd_sock->major;
relayd->control_sock.minor = relayd_sock->minor;
- /*
- * Create a session on the relayd and store the returned id. Lock the
- * control socket mutex if the relayd was NOT created before.
- */
- if (!relayd_created) {
- pthread_mutex_lock(&relayd->ctrl_sock_mutex);
- }
- ret = relayd_create_session(&relayd->control_sock,
- &relayd->relayd_session_id);
- if (!relayd_created) {
- pthread_mutex_unlock(&relayd->ctrl_sock_mutex);
- }
- if (ret < 0) {
- /*
- * Close all sockets of a relayd object. It will be freed if it was
- * created at the error code path or else it will be garbage
- * collect.
- */
- (void) relayd_close(&relayd->control_sock);
- (void) relayd_close(&relayd->data_sock);
- ret_code = LTTCOMM_CONSUMERD_RELAYD_FAIL;
- goto error;
- }
+ relayd->relayd_session_id = relayd_session_id;
break;
case LTTNG_STREAM_DATA: