#include "event.h"
#include "futex.h"
#include "hashtable.h"
-#include "kernel-ctl.h"
+#include "kernel.h"
#include "lttng-sessiond.h"
#include "shm.h"
#include "ust-app.h"
#include "ust-ctl.h"
#include "utils.h"
+#define CONSUMERD_FILE "lttng-consumerd"
+
struct consumer_data {
enum lttng_consumer_type type;
char cmd_unix_sock_path[PATH_MAX];
};
+#include "benchmark.h"
+
/* Const values */
const char default_home_dir[] = DEFAULT_HOME_DIR;
const char default_tracing_group[] = LTTNG_DEFAULT_TRACING_GROUP;
int ust_consumerd64_fd = -1;
int ust_consumerd32_fd = -1;
-static const char *consumerd64_prog = "lttng-consumerd";
-static const char *consumerd32_prog = "lttng-consumerd";
-
-static const char *consumerd64_bindir =
- __stringify(CONFIG_64BIT_BINDIR);
-static const char *consumerd32_bindir =
- __stringify(CONFIG_32BIT_BINDIR);
+static const char *consumerd32_path =
+ __stringify(CONFIG_CONSUMERD32_PATH);
+static const char *consumerd64_path =
+ __stringify(CONFIG_CONSUMERD64_PATH);
+static const char *consumerd32_libdir =
+ __stringify(CONFIG_CONSUMERD32_LIBDIR);
+static const char *consumerd64_libdir =
+ __stringify(CONFIG_CONSUMERD64_LIBDIR);
static
void setup_consumerd_path(void)
{
- const char *bindir;
+ const char *path, *libdir;
/*
* Allow INSTALL_BIN_PATH to be used as a target path for the
- * native architecture size consumer if CONFIG_NBIT_BINDIR as
- * not been defined.
+ * native architecture size consumer if CONFIG_CONSUMER*_PATH
+ * has not been defined.
*/
-#if (CAA_BITS_PER_LONG == 64)
- if (!consumerd64_bindir[0]) {
- consumerd64_bindir = INSTALL_BIN_PATH;
+#if (CAA_BITS_PER_LONG == 32)
+ if (!consumerd32_path[0]) {
+ consumerd32_path = INSTALL_BIN_PATH "/" CONSUMERD_FILE;
+ }
+ if (!consumerd32_libdir[0]) {
+ consumerd32_libdir = INSTALL_LIB_PATH;
+ }
+#elif (CAA_BITS_PER_LONG == 64)
+ if (!consumerd64_path[0]) {
+ consumerd64_path = INSTALL_BIN_PATH "/" CONSUMERD_FILE;
}
-#elif (CAA_BITS_PER_LONG == 32)
- if (!consumerd32_bindir[0]) {
- consumerd32_bindir = INSTALL_BIN_PATH;
+ if (!consumerd64_libdir[0]) {
+ consumerd64_libdir = INSTALL_LIB_PATH;
}
#else
#error "Unknown bitness"
/*
* runtime env. var. overrides the build default.
*/
- bindir = getenv("LTTNG_TOOLS_64BIT_BINDIR");
- if (bindir) {
- consumerd64_bindir = bindir;
+ path = getenv("LTTNG_CONSUMERD32_PATH");
+ if (path) {
+ consumerd32_path = path;
}
- bindir = getenv("LTTNG_TOOLS_32BIT_BINDIR");
- if (bindir) {
- consumerd32_bindir = bindir;
+ path = getenv("LTTNG_CONSUMERD64_PATH");
+ if (path) {
+ consumerd64_path = path;
+ }
+ libdir = getenv("LTTNG_TOOLS_CONSUMERD32_LIBDIR");
+ if (libdir) {
+ consumerd32_libdir = libdir;
+ }
+ libdir = getenv("LTTNG_TOOLS_CONSUMERD64_LIBDIR");
+ if (libdir) {
+ consumerd64_libdir = libdir;
}
}
*/
static void teardown_kernel_session(struct ltt_session *session)
{
- if (session->kernel_session != NULL) {
- DBG("Tearing down kernel session");
+ if (!session->kernel_session) {
+ DBG3("No kernel session when tearingdown session");
+ return;
+ }
- /*
- * If a custom kernel consumer was registered, close the socket before
- * tearing down the complete kernel session structure
- */
- if (session->kernel_session->consumer_fd != kconsumer_data.cmd_sock) {
- lttcomm_close_unix_sock(session->kernel_session->consumer_fd);
- }
+ DBG("Tearing down kernel session");
- trace_kernel_destroy_session(session->kernel_session);
- /* Extra precaution */
- session->kernel_session = NULL;
+ /*
+ * If a custom kernel consumer was registered, close the socket before
+ * tearing down the complete kernel session structure
+ */
+ if (session->kernel_session->consumer_fd != kconsumer_data.cmd_sock) {
+ lttcomm_close_unix_sock(session->kernel_session->consumer_fd);
}
+
+ trace_kernel_destroy_session(session->kernel_session);
}
/*
{
int ret;
+ if (!session->ust_session) {
+ DBG3("No UST session when tearingdown session");
+ return;
+ }
+
DBG("Tearing down UST session(s)");
- if (!session->ust_session)
- return;
ret = ust_app_destroy_trace_all(session->ust_session);
if (ret) {
ERR("Error in ust_app_destroy_trace_all");
}
+
trace_ust_destroy_session(session->ust_session);
}
close(thread_quit_pipe[0]);
close(thread_quit_pipe[1]);
+ /* OUTPUT BENCHMARK RESULTS */
+ bench_init();
+
+ if (getenv("BENCH_UST_NOTIFY")) {
+ bench_print_ust_notification();
+ }
+
+ if (getenv("BENCH_UST_REGISTER")) {
+ bench_print_ust_register();
+ bench_print_ust_unregister();
+ }
+
+ if (getenv("BENCH_BOOT_PROCESS")) {
+ bench_print_boot_process();
+ }
+
+ bench_close();
+ /* END BENCHMARK */
+
/* <fun> */
MSG("%c[%d;%dm*** assert failed :-) *** ==> %c[%dm%c[%d;%dm"
"Matthew, BEET driven development works!%c[%dm",
DBG("Notifying applications of session daemon state: %d", active);
+ tracepoint(ust_notify_apps_start);
+
/* See shm.c for this call implying mmap, shm and futex calls */
wait_shm_mmap = shm_ust_get_mmap(wait_shm_path, is_root);
if (wait_shm_mmap == NULL) {
/* Wake waiting process */
futex_wait_update((int32_t *) wait_shm_mmap, active);
+ tracepoint(ust_notify_apps_stop);
+
/* Apps notified successfully */
return 0;
char tmp;
struct lttng_poll_event events;
+ tracepoint(sessiond_th_kern_start);
+
DBG("Thread manage kernel started");
ret = create_thread_poll_set(&events, 2);
/* Zeroed the poll events */
lttng_poll_reset(&events);
+ tracepoint(sessiond_th_kern_poll);
+
/* Poll infinite value of time */
ret = lttng_poll_wait(&events, -1);
if (ret < 0) {
struct lttng_poll_event events;
struct consumer_data *consumer_data = data;
+ tracepoint(sessiond_th_kcon_start);
+
DBG("[thread] Manage consumer started");
ret = lttcomm_listen_unix_sock(consumer_data->err_sock);
nb_fd = LTTNG_POLL_GETNB(&events);
+ tracepoint(sessiond_th_kcon_poll);
+
/* Inifinite blocking call, waiting for transmission */
ret = lttng_poll_wait(&events, -1);
if (ret < 0) {
struct ust_command ust_cmd;
struct lttng_poll_event events;
+ tracepoint(sessiond_th_apps_start);
+
DBG("[thread] Manage application started");
rcu_register_thread();
DBG("Apps thread polling on %d fds", nb_fd);
+ tracepoint(sessiond_th_apps_poll);
+
/* Inifinite blocking call, waiting for transmission */
ret = lttng_poll_wait(&events, -1);
if (ret < 0) {
ERR("Apps command pipe error");
goto error;
} else if (revents & LPOLLIN) {
+ tracepoint(ust_register_read_start);
/* Empty pipe */
ret = read(apps_cmd_pipe[0], &ust_cmd, sizeof(ust_cmd));
if (ret < 0 || ret < sizeof(ust_cmd)) {
perror("read apps cmd pipe");
goto error;
}
+ tracepoint(ust_register_read_stop);
+ tracepoint(ust_register_add_start);
/* Register applicaton to the session daemon */
ret = ust_app_register(&ust_cmd.reg_msg,
ust_cmd.sock);
} else if (ret < 0) {
break;
}
+ tracepoint(ust_register_add_stop);
+ tracepoint(ust_register_done_start);
/*
* Add channel(s) and event(s) to newly registered apps
* from lttng global UST domain.
DBG("Apps with sock %d added to poll set",
ust_cmd.sock);
}
-
+ tracepoint(ust_register_done_stop);
break;
}
} else {
struct cds_wfq_node *node;
struct ust_command *ust_cmd = NULL;
+ tracepoint(sessiond_th_dispatch_start);
+
DBG("[thread] Dispatch UST command started");
while (!dispatch_thread_exit) {
futex_nto1_prepare(&ust_cmd_queue.futex);
do {
+ tracepoint(sessiond_th_dispatch_block);
+
/* Dequeue command for registration */
node = cds_wfq_dequeue_blocking(&ust_cmd_queue.queue);
if (node == NULL) {
break;
}
+ tracepoint(ust_dispatch_register_start);
+
ust_cmd = caa_container_of(node, struct ust_command, node);
DBG("Dispatching UST registration pid:%d ppid:%d uid:%d"
free(ust_cmd);
} while (node != NULL);
+ tracepoint(ust_dispatch_register_stop);
+
/* Futex wait on queue. Blocking call on futex() */
futex_nto1_wait(&ust_cmd_queue.futex);
}
*/
struct ust_command *ust_cmd = NULL;
+ tracepoint(sessiond_th_reg_start);
+
DBG("[thread] Manage application registration started");
ret = lttcomm_listen_unix_sock(apps_sock);
while (1) {
DBG("Accepting application registration");
+ tracepoint(sessiond_th_reg_poll);
+
nb_fd = LTTNG_POLL_GETNB(&events);
/* Inifinite blocking call, waiting for transmission */
ERR("Register apps socket poll error");
goto error;
} else if (revents & LPOLLIN) {
+ /* Registration starts here. Recording cycles */
+ tracepoint(ust_register_start);
+
sock = lttcomm_accept_unix_sock(apps_sock);
if (sock < 0) {
goto error;
* barrier with the exchange in cds_wfq_enqueue.
*/
futex_nto1_wake(&ust_cmd_queue.futex);
+
+ tracepoint(ust_register_stop);
}
}
}
break;
case LTTNG_CONSUMER64_UST:
{
- char path[PATH_MAX];
+ char *tmpnew = NULL;
- snprintf(path, PATH_MAX, "%s/%s",
- consumerd64_bindir, consumerd64_prog);
- execl(path, verbosity, "-u",
+ if (consumerd64_libdir[0] != '\0') {
+ char *tmp;
+ size_t tmplen;
+
+ tmp = getenv("LD_LIBRARY_PATH");
+ if (!tmp) {
+ tmp = "";
+ }
+ tmplen = strlen("LD_LIBRARY_PATH=")
+ + strlen(consumerd64_libdir) + 1 /* : */ + strlen(tmp);
+ tmpnew = zmalloc(tmplen + 1 /* \0 */);
+ if (!tmpnew) {
+ ret = -ENOMEM;
+ goto error;
+ }
+ strcpy(tmpnew, "LD_LIBRARY_PATH=");
+ strcat(tmpnew, consumerd64_libdir);
+ if (tmp[0] != '\0') {
+ strcat(tmpnew, ":");
+ strcat(tmpnew, tmp);
+ }
+ ret = putenv(tmpnew);
+ if (ret) {
+ ret = -errno;
+ goto error;
+ }
+ }
+ ret = execl(consumerd64_path, verbosity, "-u",
"--consumerd-cmd-sock", consumer_data->cmd_unix_sock_path,
"--consumerd-err-sock", consumer_data->err_unix_sock_path,
NULL);
+ if (consumerd64_libdir[0] != '\0') {
+ free(tmpnew);
+ }
+ if (ret) {
+ goto error;
+ }
break;
}
case LTTNG_CONSUMER32_UST:
{
- char path[PATH_MAX];
+ char *tmpnew = NULL;
- snprintf(path, PATH_MAX, "%s/%s",
- consumerd32_bindir, consumerd32_prog);
- execl(path, verbosity, "-u",
+ if (consumerd32_libdir[0] != '\0') {
+ char *tmp;
+ size_t tmplen;
+
+ tmp = getenv("LD_LIBRARY_PATH");
+ if (!tmp) {
+ tmp = "";
+ }
+ tmplen = strlen("LD_LIBRARY_PATH=")
+ + strlen(consumerd32_libdir) + 1 /* : */ + strlen(tmp);
+ tmpnew = zmalloc(tmplen + 1 /* \0 */);
+ if (!tmpnew) {
+ ret = -ENOMEM;
+ goto error;
+ }
+ strcpy(tmpnew, "LD_LIBRARY_PATH=");
+ strcat(tmpnew, consumerd32_libdir);
+ if (tmp[0] != '\0') {
+ strcat(tmpnew, ":");
+ strcat(tmpnew, tmp);
+ }
+ ret = putenv(tmpnew);
+ if (ret) {
+ ret = -errno;
+ goto error;
+ }
+ }
+ ret = execl(consumerd32_path, verbosity, "-u",
"--consumerd-cmd-sock", consumer_data->cmd_unix_sock_path,
"--consumerd-err-sock", consumer_data->err_unix_sock_path,
NULL);
+ if (consumerd32_libdir[0] != '\0') {
+ free(tmpnew);
+ }
+ if (ret) {
+ goto error;
+ }
break;
}
default:
perror("start consumer fork");
ret = -errno;
}
+error:
return ret;
}
uchan->attr.switch_timer_interval;
channels[i].attr.read_timer_interval =
uchan->attr.read_timer_interval;
- channels[i].attr.output = uchan->attr.output;
+ channels[i].enabled = uchan->enabled;
+ switch (uchan->attr.output) {
+ case LTTNG_UST_MMAP:
+ default:
+ channels[i].attr.output = LTTNG_EVENT_MMAP;
+ break;
+ }
i++;
}
break;
int i = 0, ret = 0;
unsigned int nb_event = 0;
struct cds_lfht_iter iter;
+ struct cds_lfht_node *node;
struct ltt_ust_channel *uchan;
struct ltt_ust_event *uevent;
struct lttng_event *tmp;
rcu_read_lock();
- /* Count events in all channels */
- cds_lfht_for_each_entry(ust_global->channels, &iter, uchan, node) {
- nb_event += hashtable_get_count(uchan->events);
+ node = hashtable_lookup(ust_global->channels, (void *) channel_name,
+ strlen(channel_name), &iter);
+ if (node == NULL) {
+ ret = -LTTCOMM_UST_CHAN_NOT_FOUND;
+ goto error;
}
+ uchan = caa_container_of(node, struct ltt_ust_channel, node);
+
+ nb_event += hashtable_get_count(uchan->events);
+
if (nb_event == 0) {
ret = nb_event;
goto error;
goto error;
}
- cds_lfht_for_each_entry(ust_global->channels, &iter, uchan, node) {
- cds_lfht_for_each_entry(uchan->events, &iter, uevent, node) {
- strncpy(tmp[i].name, uevent->attr.name, LTTNG_SYMBOL_NAME_LEN);
- tmp[i].name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0';
- tmp[i].enabled = uevent->enabled;
- switch (uevent->attr.instrumentation) {
- case LTTNG_UST_TRACEPOINT:
- tmp[i].type = LTTNG_EVENT_TRACEPOINT;
- break;
- case LTTNG_UST_PROBE:
- tmp[i].type = LTTNG_EVENT_PROBE;
- break;
- case LTTNG_UST_FUNCTION:
- tmp[i].type = LTTNG_EVENT_FUNCTION;
- break;
- }
- i++;
+ cds_lfht_for_each_entry(uchan->events, &iter, uevent, node) {
+ strncpy(tmp[i].name, uevent->attr.name, LTTNG_SYMBOL_NAME_LEN);
+ tmp[i].name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0';
+ tmp[i].enabled = uevent->enabled;
+ switch (uevent->attr.instrumentation) {
+ case LTTNG_UST_TRACEPOINT:
+ tmp[i].type = LTTNG_EVENT_TRACEPOINT;
+ break;
+ case LTTNG_UST_PROBE:
+ tmp[i].type = LTTNG_EVENT_PROBE;
+ break;
+ case LTTNG_UST_FUNCTION:
+ tmp[i].type = LTTNG_EVENT_FUNCTION;
+ break;
+ case LTTNG_UST_TRACEPOINT_LOGLEVEL:
+ /* TODO */
+ ret = -LTTCOMM_NOT_IMPLEMENTED;
+ goto error;
+ break;
}
+ i++;
}
ret = nb_event;
int domain, char *channel_name)
{
int ret;
+ struct ltt_ust_session *usess;
+
+ usess = session->ust_session;
switch (domain) {
- case LTTNG_DOMAIN_KERNEL:
- ret = channel_kernel_disable(session->kernel_session,
- channel_name);
- if (ret != LTTCOMM_OK) {
- goto error;
- }
+ case LTTNG_DOMAIN_KERNEL:
+ {
+ ret = channel_kernel_disable(session->kernel_session,
+ channel_name);
+ if (ret != LTTCOMM_OK) {
+ goto error;
+ }
- kernel_wait_quiescent(kernel_tracer_fd);
- break;
- case LTTNG_DOMAIN_UST_PID:
+ kernel_wait_quiescent(kernel_tracer_fd);
+ break;
+ }
+ case LTTNG_DOMAIN_UST:
+ {
+ struct ltt_ust_channel *uchan;
+
+ /* Get channel in global UST domain HT */
+ uchan = trace_ust_find_channel_by_name(usess->domain_global.channels,
+ channel_name);
+ if (uchan == NULL) {
+ ret = LTTCOMM_UST_CHAN_NOT_FOUND;
+ goto error;
+ }
+
+ /* Already disabled */
+ if (!uchan->enabled) {
+ DBG2("UST channel %s already disabled", channel_name);
break;
- default:
- ret = LTTCOMM_UNKNOWN_DOMAIN;
+ }
+
+ ret = ust_app_disable_channel_glb(usess, uchan);
+ if (ret < 0) {
+ ret = LTTCOMM_UST_DISABLE_FAIL;
goto error;
+ }
+
+ uchan->enabled = 0;
+
+ break;
+ }
+ case LTTNG_DOMAIN_UST_PID_FOLLOW_CHILDREN:
+ case LTTNG_DOMAIN_UST_EXEC_NAME:
+ case LTTNG_DOMAIN_UST_PID:
+ ret = LTTCOMM_NOT_IMPLEMENTED;
+ goto error;
+ default:
+ ret = LTTCOMM_UNKNOWN_DOMAIN;
+ goto error;
}
ret = LTTCOMM_OK;
* Command LTTNG_ENABLE_CHANNEL processed by the client thread.
*/
static int cmd_enable_channel(struct ltt_session *session,
- struct lttng_domain *domain, struct lttng_channel *attr)
+ int domain, struct lttng_channel *attr)
{
int ret;
struct ltt_ust_session *usess = session->ust_session;
DBG("Enabling channel %s for session %s", attr->name, session->name);
- switch (domain->type) {
+ switch (domain) {
case LTTNG_DOMAIN_KERNEL:
{
struct ltt_kernel_channel *kchan;
goto error;
}
+ /* Add channel to all registered applications */
+ ret = ust_app_create_channel_glb(usess, uchan);
+ if (ret != 0) {
+ ret = LTTCOMM_UST_CHAN_FAIL;
+ goto error;
+ }
+
rcu_read_lock();
hashtable_add_unique(usess->domain_global.channels, &uchan->node);
rcu_read_unlock();
+
DBG2("UST channel %s added to global domain HT", attr->name);
} else {
- ret = LTTCOMM_UST_CHAN_EXIST;
- goto error;
- }
+ /* If already enabled, everything is OK */
+ if (uchan->enabled) {
+ break;
+ }
- /* Add channel to all registered applications */
- ret = ust_app_create_channel_all(usess, uchan);
- if (ret != 0) {
- goto error;
+ ret = ust_app_enable_channel_glb(usess, uchan);
+ if (ret < 0) {
+ if (ret != -EEXIST) {
+ ret = LTTCOMM_UST_CHAN_ENABLE_FAIL;
+ goto error;
+ } else {
+ ret = LTTCOMM_OK;
+ }
+ }
}
uchan->enabled = 1;
break;
}
+ case LTTNG_DOMAIN_UST_PID_FOLLOW_CHILDREN:
+ case LTTNG_DOMAIN_UST_EXEC_NAME:
case LTTNG_DOMAIN_UST_PID:
- {
- /*
- int sock;
- struct ltt_ust_channel *uchan;
- struct ltt_ust_session *usess;
- struct ust_app *app;
-
- usess = trace_ust_get_session_by_pid(&session->ust_session_list,
- domain->attr.pid);
- if (usess == NULL) {
- ret = LTTCOMM_UST_CHAN_NOT_FOUND;
- goto error;
- }
-
- app = ust_app_get_by_pid(domain->attr.pid);
- if (app == NULL) {
- ret = LTTCOMM_APP_NOT_FOUND;
- goto error;
- }
- sock = app->sock;
-
- uchan = trace_ust_get_channel_by_name(attr->name, usess);
- if (uchan == NULL) {
- ret = channel_ust_create(usess, attr, sock);
- } else {
- ret = channel_ust_enable(usess, uchan, sock);
- }
-
- if (ret != LTTCOMM_OK) {
- goto error;
- }
-
- ret = copy_ust_channel_to_app(usess, attr, app);
- if (ret != LTTCOMM_OK) {
- goto error;
- }
-
- DBG("UST channel %s created for app sock %d with pid %d",
- attr->name, app->sock, domain->attr.pid);
- */
ret = LTTCOMM_NOT_IMPLEMENTED;
goto error;
- }
default:
ret = LTTCOMM_UNKNOWN_DOMAIN;
goto error;
case LTTNG_DOMAIN_KERNEL:
{
struct ltt_kernel_channel *kchan;
+ struct ltt_kernel_session *ksess;
- kchan = trace_kernel_get_channel_by_name(channel_name,
- session->kernel_session);
+ ksess = session->kernel_session;
+
+ kchan = trace_kernel_get_channel_by_name(channel_name, ksess);
if (kchan == NULL) {
ret = LTTCOMM_KERN_CHAN_NOT_FOUND;
goto error;
}
- ret = event_kernel_disable_tracepoint(session->kernel_session, kchan, event_name);
+ ret = event_kernel_disable_tracepoint(ksess, kchan, event_name);
if (ret != LTTCOMM_OK) {
goto error;
}
break;
}
case LTTNG_DOMAIN_UST:
+ {
+ struct ltt_ust_session *usess;
+ struct ltt_ust_channel *uchan;
+ struct ltt_ust_event *uevent;
+
+ usess = session->ust_session;
+
+ uchan = trace_ust_find_channel_by_name(usess->domain_global.channels,
+ channel_name);
+ if (uchan == NULL) {
+ ret = LTTCOMM_UST_CHAN_NOT_FOUND;
+ goto error;
+ }
+
+ uevent = trace_ust_find_event_by_name(uchan->events, event_name);
+ if (uevent == NULL) {
+ ret = LTTCOMM_UST_EVENT_NOT_FOUND;
+ goto error;
+ }
+
+ ret = ust_app_disable_event_glb(usess, uchan, uevent);
+ if (ret < 0) {
+ ret = LTTCOMM_UST_DISABLE_FAIL;
+ goto error;
+ }
+
+ uevent->enabled = 0;
+
+ DBG2("Disable UST event %s in channel %s completed", event_name,
+ channel_name);
+
+ break;
+ }
case LTTNG_DOMAIN_UST_EXEC_NAME:
case LTTNG_DOMAIN_UST_PID:
case LTTNG_DOMAIN_UST_PID_FOLLOW_CHILDREN:
default:
- /* TODO: Other UST domains */
ret = LTTCOMM_NOT_IMPLEMENTED;
goto error;
}
char *channel_name)
{
int ret;
- struct ltt_kernel_channel *kchan;
switch (domain) {
case LTTNG_DOMAIN_KERNEL:
- kchan = trace_kernel_get_channel_by_name(channel_name,
- session->kernel_session);
+ {
+ struct ltt_kernel_session *ksess;
+ struct ltt_kernel_channel *kchan;
+
+ ksess = session->kernel_session;
+
+ kchan = trace_kernel_get_channel_by_name(channel_name, ksess);
if (kchan == NULL) {
ret = LTTCOMM_KERN_CHAN_NOT_FOUND;
goto error;
}
- ret = event_kernel_disable_all(session->kernel_session, kchan);
+ ret = event_kernel_disable_all(ksess, kchan);
if (ret != LTTCOMM_OK) {
goto error;
}
kernel_wait_quiescent(kernel_tracer_fd);
break;
+ }
+ case LTTNG_DOMAIN_UST:
+ {
+ struct ltt_ust_session *usess;
+ struct ltt_ust_channel *uchan;
+
+ usess = session->ust_session;
+
+ uchan = trace_ust_find_channel_by_name(usess->domain_global.channels,
+ channel_name);
+ if (uchan == NULL) {
+ ret = LTTCOMM_UST_CHAN_NOT_FOUND;
+ goto error;
+ }
+
+ ret = ust_app_disable_all_event_glb(usess, uchan);
+ if (ret < 0) {
+ ret = LTTCOMM_UST_DISABLE_FAIL;
+ goto error;
+ }
+
+ DBG2("Disable all UST event in channel %s completed", channel_name);
+
+ break;
+ }
+ case LTTNG_DOMAIN_UST_EXEC_NAME:
+ case LTTNG_DOMAIN_UST_PID:
+ case LTTNG_DOMAIN_UST_PID_FOLLOW_CHILDREN:
default:
- /* TODO: Userspace tracing */
ret = LTTCOMM_NOT_IMPLEMENTED;
goto error;
}
break;
case LTTNG_DOMAIN_UST:
{
- /*
- struct ltt_ust_session *usess;
+ struct ltt_ust_session *usess = session->ust_session;
- cds_list_for_each_entry(usess, &session->ust_session_list.head, list) {
- ret = context_ust_add(usess, ctx,
- event_name, channel_name, domain);
- if (ret != LTTCOMM_OK) {
- goto error;
- }
+ ret = context_ust_add(usess, domain, ctx, event_name, channel_name);
+ if (ret != LTTCOMM_OK) {
+ goto error;
}
break;
- */
}
+ case LTTNG_DOMAIN_UST_EXEC_NAME:
+ case LTTNG_DOMAIN_UST_PID:
+ case LTTNG_DOMAIN_UST_PID_FOLLOW_CHILDREN:
default:
- /* TODO: UST other domains */
ret = LTTCOMM_NOT_IMPLEMENTED;
goto error;
}
ret = channel_kernel_create(session->kernel_session,
attr, kernel_poll_pipe[1]);
if (ret != LTTCOMM_OK) {
+ free(attr);
goto error;
}
+ free(attr);
}
/* Get the newly created kernel channel pointer */
}
case LTTNG_DOMAIN_UST:
{
+ struct lttng_channel *attr;
struct ltt_ust_channel *uchan;
- struct ltt_ust_event *uevent;
+ /* Get channel from global UST domain */
uchan = trace_ust_find_channel_by_name(usess->domain_global.channels,
channel_name);
if (uchan == NULL) {
- /* TODO: Create default channel */
- ret = LTTCOMM_UST_CHAN_NOT_FOUND;
- goto error;
- }
-
- uevent = trace_ust_find_event_by_name(uchan->events, event->name);
- if (uevent == NULL) {
- uevent = trace_ust_create_event(event);
- if (uevent == NULL) {
+ /* Create default channel */
+ attr = channel_new_default_attr(domain);
+ if (attr == NULL) {
ret = LTTCOMM_FATAL;
goto error;
}
+ snprintf(attr->name, NAME_MAX, "%s", channel_name);
+ attr->name[NAME_MAX - 1] = '\0';
- }
+ /* Use the internal command enable channel */
+ ret = cmd_enable_channel(session, domain, attr);
+ if (ret != LTTCOMM_OK) {
+ free(attr);
+ goto error;
+ }
+ free(attr);
- ret = ust_app_create_event_all(usess, uchan, uevent);
- if (ret < 0) {
- ret = LTTCOMM_UST_ENABLE_FAIL;
- goto error;
+ /* Get the newly created channel reference back */
+ uchan = trace_ust_find_channel_by_name(
+ usess->domain_global.channels, channel_name);
+ if (uchan == NULL) {
+ /* Something is really wrong */
+ ret = LTTCOMM_FATAL;
+ goto error;
+ }
}
- /* Add ltt ust event to channel */
- rcu_read_lock();
- hashtable_add_unique(uchan->events, &uevent->node);
- rcu_read_unlock();
+ /* At this point, the session and channel exist on the tracer */
- uevent->enabled = 1;
-
- DBG3("UST ltt event %s added to channel %s", uevent->attr.name,
- uchan->name);
+ ret = event_ust_enable_tracepoint(usess, domain, uchan, event);
+ if (ret != LTTCOMM_OK) {
+ goto error;
+ }
break;
}
case LTTNG_DOMAIN_UST_EXEC_NAME:
if (ret != LTTCOMM_OK) {
goto error;
}
- }
- /* Get the newly created kernel channel pointer */
- kchan = trace_kernel_get_channel_by_name(channel_name,
- session->kernel_session);
- if (kchan == NULL) {
- /* This sould not happen... */
- ret = LTTCOMM_FATAL;
- goto error;
+ /* Get the newly created kernel channel pointer */
+ kchan = trace_kernel_get_channel_by_name(channel_name,
+ session->kernel_session);
+ if (kchan == NULL) {
+ /* This sould not happen... */
+ ret = LTTCOMM_FATAL;
+ goto error;
+ }
+
}
switch (event_type) {
ret = LTTCOMM_KERN_ENABLE_FAIL;
goto error;
}
+
+ /* Manage return value */
if (ret != LTTCOMM_OK) {
goto error;
}
kernel_wait_quiescent(kernel_tracer_fd);
}
- /* Flag session that trace should start automatically */
if (usess) {
usess->start_trace = 0;
/* Start the UST consumer daemons */
/* 64-bit */
pthread_mutex_lock(&ustconsumer64_data.pid_mutex);
- if (consumerd64_bindir[0] != '\0' &&
+ if (consumerd64_path[0] != '\0' &&
ustconsumer64_data.pid == 0 &&
cmd_ctx->lsm->cmd_type != LTTNG_REGISTER_CONSUMER) {
pthread_mutex_unlock(&ustconsumer64_data.pid_mutex);
pthread_mutex_unlock(&ustconsumer64_data.pid_mutex);
}
/* 32-bit */
- if (consumerd32_bindir[0] != '\0' &&
+ if (consumerd32_path[0] != '\0' &&
ustconsumer32_data.pid == 0 &&
cmd_ctx->lsm->cmd_type != LTTNG_REGISTER_CONSUMER) {
pthread_mutex_unlock(&ustconsumer32_data.pid_mutex);
}
case LTTNG_ENABLE_CHANNEL:
{
- ret = cmd_enable_channel(cmd_ctx->session, &cmd_ctx->lsm->domain,
+ ret = cmd_enable_channel(cmd_ctx->session, cmd_ctx->lsm->domain.type,
&cmd_ctx->lsm->u.channel.chan);
break;
}
}
case LTTNG_CREATE_SESSION:
{
+ tracepoint(create_session_start);
ret = cmd_create_session(cmd_ctx->lsm->session.name,
cmd_ctx->lsm->session.path);
+ tracepoint(create_session_end);
break;
}
case LTTNG_DESTROY_SESSION:
{
+ tracepoint(destroy_session_start);
ret = cmd_destroy_session(cmd_ctx->session,
cmd_ctx->lsm->session.name);
+ tracepoint(destroy_session_end);
break;
}
case LTTNG_LIST_DOMAINS:
struct command_ctx *cmd_ctx = NULL;
struct lttng_poll_event events;
+ tracepoint(sessiond_th_cli_start);
+
DBG("[thread] Manage client started");
rcu_register_thread();
while (1) {
DBG("Accepting client command ...");
+ tracepoint(sessiond_th_cli_poll);
+
nb_fd = LTTNG_POLL_GETNB(&events);
/* Inifinite blocking call, waiting for transmission */
fprintf(stderr, " --ustconsumerd64-err-sock PATH Specify path for the 64-bit UST consumer error socket\n");
fprintf(stderr, " --ustconsumerd32-cmd-sock PATH Specify path for the 32-bit UST consumer command socket\n");
fprintf(stderr, " --ustconsumerd64-cmd-sock PATH Specify path for the 64-bit UST consumer command socket\n");
- fprintf(stderr, " --ustconsumerd32 PATH Specify path for the 32-bit UST consumer daemon binary\n");
- fprintf(stderr, " --ustconsumerd64 PATH Specify path for the 64-bit UST consumer daemon binary\n");
+ fprintf(stderr, " --consumerd32-path PATH Specify path for the 32-bit UST consumer daemon binary\n");
+ fprintf(stderr, " --consumerd32-libdir PATH Specify path for the 32-bit UST consumer daemon libraries\n");
+ fprintf(stderr, " --consumerd64-path PATH Specify path for the 64-bit UST consumer daemon binary\n");
+ fprintf(stderr, " --consumerd64-libdir PATH Specify path for the 64-bit UST consumer daemon libraries\n");
fprintf(stderr, " -d, --daemonize Start as a daemon.\n");
fprintf(stderr, " -g, --group NAME Specify the tracing group name. (default: tracing)\n");
fprintf(stderr, " -V, --version Show version number.\n");
{ "apps-sock", 1, 0, 'a' },
{ "kconsumerd-cmd-sock", 1, 0, 'C' },
{ "kconsumerd-err-sock", 1, 0, 'E' },
- { "ustconsumerd64", 1, 0, 't' },
- { "ustconsumerd64-cmd-sock", 1, 0, 'D' },
- { "ustconsumerd64-err-sock", 1, 0, 'F' },
- { "ustconsumerd32", 1, 0, 'u' },
{ "ustconsumerd32-cmd-sock", 1, 0, 'G' },
{ "ustconsumerd32-err-sock", 1, 0, 'H' },
+ { "ustconsumerd64-cmd-sock", 1, 0, 'D' },
+ { "ustconsumerd64-err-sock", 1, 0, 'F' },
+ { "consumerd32-path", 1, 0, 'u' },
+ { "consumerd32-libdir", 1, 0, 'U' },
+ { "consumerd64-path", 1, 0, 't' },
+ { "consumerd64-libdir", 1, 0, 'T' },
{ "daemonize", 0, 0, 'd' },
{ "sig-parent", 0, 0, 'S' },
{ "help", 0, 0, 'h' },
opt_verbose_consumer += 1;
break;
case 'u':
- consumerd32_bindir = optarg;
+ consumerd32_path= optarg;
+ break;
+ case 'U':
+ consumerd32_libdir = optarg;
break;
case 't':
- consumerd64_bindir = optarg;
+ consumerd64_path = optarg;
+ break;
+ case 'T':
+ consumerd64_libdir = optarg;
break;
default:
/* Unknown option or other error.
void *status;
const char *home_path;
+ tracepoint(sessiond_boot_start);
rcu_register_thread();
/* Create thread quit pipe */
goto exit_kernel;
}
+ tracepoint(sessiond_boot_end);
+
ret = pthread_join(kernel_thread, &status);
if (ret != 0) {
perror("pthread_join");
projects / lttng-tools.git / blobdiff