*/
#define _LGPL_SOURCE
-#include <urcu/list.h>
-#include <string.h>
-
-#include <common/compat/errno.hpp>
-#include <lttng/lttng.h>
-#include <lttng/condition/condition.h>
-#include <lttng/condition/event-rule-matches.h>
-#include <lttng/event-rule/event-rule.h>
-#include <lttng/event-rule/event-rule-internal.hpp>
-#include <common/bytecode/bytecode.hpp>
-#include <common/error.hpp>
-#include <common/sessiond-comm/sessiond-comm.hpp>
-#include <common/filter.hpp>
-#include <common/context.hpp>
-
+#include "agent.hpp"
#include "channel.hpp"
#include "event.hpp"
#include "kernel.hpp"
#include "lttng-sessiond.hpp"
#include "lttng-ust-ctl.hpp"
#include "lttng-ust-error.hpp"
-#include "ust-app.hpp"
#include "trace-kernel.hpp"
#include "trace-ust.hpp"
-#include "agent.hpp"
+#include "ust-app.hpp"
#include "utils.hpp"
+#include <common/bytecode/bytecode.hpp>
+#include <common/compat/errno.hpp>
+#include <common/context.hpp>
+#include <common/error.hpp>
+#include <common/filter.hpp>
+#include <common/sessiond-comm/sessiond-comm.hpp>
+
+#include <lttng/condition/condition.h>
+#include <lttng/condition/event-rule-matches.h>
+#include <lttng/event-rule/event-rule-internal.hpp>
+#include <lttng/event-rule/event-rule.h>
+#include <lttng/lttng.h>
+
+#include <string.h>
+#include <urcu/list.h>
+
/*
* Add unique UST event based on the event name, filter bytecode and loglevel.
*/
-static void add_unique_ust_event(struct lttng_ht *ht,
- struct ltt_ust_event *event)
+static void add_unique_ust_event(struct lttng_ht *ht, struct ltt_ust_event *event)
{
struct cds_lfht_node *node_ptr;
struct ltt_ust_ht_key key;
key.exclusion = event->exclusion;
node_ptr = cds_lfht_add_unique(ht->ht,
- ht->hash_fct(event->node.key, lttng_ht_seed),
- trace_ust_ht_match_event, &key, &event->node.node);
+ ht->hash_fct(event->node.key, lttng_ht_seed),
+ trace_ust_ht_match_event,
+ &key,
+ &event->node.node);
LTTNG_ASSERT(node_ptr == &event->node.node);
}
* If event_name is NULL all events of the specified type are disabled.
*/
int event_kernel_disable_event(struct ltt_kernel_channel *kchan,
- const char *event_name, enum lttng_event_type type)
+ const char *event_name,
+ enum lttng_event_type type)
{
int ret, error = 0, found = 0;
struct ltt_kernel_event *kevent;
LTTNG_ASSERT(kchan);
/* For each event in the kernel session */
- cds_list_for_each_entry(kevent, &kchan->events_list.head, list) {
+ cds_list_for_each_entry (kevent, &kchan->events_list.head, list) {
if (type != LTTNG_EVENT_ALL && kevent->type != type)
continue;
if (event_name != NULL && strcmp(event_name, kevent->event->name)) {
}
}
DBG("Disable kernel event: found %d events with name: %s and type: %d",
- found, event_name ? event_name : "NULL", type);
+ found,
+ event_name ? event_name : "NULL",
+ type);
if (event_name != NULL && !found) {
ret = LTTNG_ERR_NO_EVENT;
* We own filter_expression and filter.
*/
int event_kernel_enable_event(struct ltt_kernel_channel *kchan,
- struct lttng_event *event, char *filter_expression,
- struct lttng_bytecode *filter)
+ struct lttng_event *event,
+ char *filter_expression,
+ struct lttng_bytecode *filter)
{
int ret;
struct ltt_kernel_event *kevent;
LTTNG_ASSERT(kchan);
LTTNG_ASSERT(event);
- kevent = trace_kernel_find_event(event->name, kchan,
- event->type, filter);
+ kevent = trace_kernel_find_event(event->name, kchan, event->type, filter);
if (kevent == NULL) {
ret = kernel_create_event(event, kchan, filter_expression, filter);
/* We have passed ownership */
* We own filter_expression, filter, and exclusion.
*/
int event_ust_enable_tracepoint(struct ltt_ust_session *usess,
- struct ltt_ust_channel *uchan, struct lttng_event *event,
- char *filter_expression,
- struct lttng_bytecode *filter,
- struct lttng_event_exclusion *exclusion,
- bool internal_event)
+ struct ltt_ust_channel *uchan,
+ struct lttng_event *event,
+ char *filter_expression,
+ struct lttng_bytecode *filter,
+ struct lttng_event_exclusion *exclusion,
+ bool internal_event)
{
int ret = LTTNG_OK, to_create = 0;
struct ltt_ust_event *uevent;
rcu_read_lock();
- uevent = trace_ust_find_event(uchan->events, event->name, filter,
- (enum lttng_ust_abi_loglevel_type) event->loglevel_type,
- event->loglevel, exclusion);
+ uevent = trace_ust_find_event(uchan->events,
+ event->name,
+ filter,
+ (enum lttng_ust_abi_loglevel_type) event->loglevel_type,
+ event->loglevel,
+ exclusion);
if (!uevent) {
- ret = trace_ust_create_event(event, filter_expression,
- filter, exclusion, internal_event, &uevent);
+ ret = trace_ust_create_event(
+ event, filter_expression, filter, exclusion, internal_event, &uevent);
/* We have passed ownership */
filter_expression = NULL;
filter = NULL;
goto end;
}
- DBG("Event UST %s %s in channel %s", uevent->attr.name,
- to_create ? "created" : "enabled", uchan->name);
+ DBG("Event UST %s %s in channel %s",
+ uevent->attr.name,
+ to_create ? "created" : "enabled",
+ uchan->name);
ret = LTTNG_OK;
* Disable UST tracepoint of a channel from a UST session.
*/
int event_ust_disable_tracepoint(struct ltt_ust_session *usess,
- struct ltt_ust_channel *uchan, const char *event_name)
+ struct ltt_ust_channel *uchan,
+ const char *event_name)
{
int ret;
struct ltt_ust_event *uevent;
* We use a custom lookup since we need the iterator for the next_duplicate
* call in the do while loop below.
*/
- cds_lfht_lookup(ht->ht, ht->hash_fct((void *) event_name, lttng_ht_seed),
- trace_ust_ht_match_event_by_name, event_name, &iter.iter);
+ cds_lfht_lookup(ht->ht,
+ ht->hash_fct((void *) event_name, lttng_ht_seed),
+ trace_ust_ht_match_event_by_name,
+ event_name,
+ &iter.iter);
node = lttng_ht_iter_get_node_str(&iter);
if (node == NULL) {
DBG2("Trace UST event NOT found by name %s", event_name);
goto next;
}
uevent->enabled = 0;
- DBG2("Event UST %s disabled in channel %s", uevent->attr.name,
- uchan->name);
+ DBG2("Event UST %s disabled in channel %s", uevent->attr.name, uchan->name);
if (!usess->active) {
goto next;
ret = LTTNG_ERR_UST_DISABLE_FAIL;
goto error;
}
-next:
+ next:
/* Get next duplicate event by name. */
- cds_lfht_next_duplicate(ht->ht, trace_ust_ht_match_event_by_name,
- event_name, &iter.iter);
+ cds_lfht_next_duplicate(
+ ht->ht, trace_ust_ht_match_event_by_name, event_name, &iter.iter);
node = lttng_ht_iter_get_node_str(&iter);
} while (node);
/*
* Disable all UST tracepoints for a channel from a UST session.
*/
-int event_ust_disable_all_tracepoints(struct ltt_ust_session *usess,
- struct ltt_ust_channel *uchan)
+int event_ust_disable_all_tracepoints(struct ltt_ust_session *usess, struct ltt_ust_channel *uchan)
{
int ret, i, size, error = 0;
struct lttng_ht_iter iter;
rcu_read_lock();
/* Disabling existing events */
- cds_lfht_for_each_entry(uchan->events->ht, &iter.iter, uevent,
- node.node) {
+ cds_lfht_for_each_entry (uchan->events->ht, &iter.iter, uevent, node.node) {
if (uevent->enabled == 1) {
- ret = event_ust_disable_tracepoint(usess, uchan,
- uevent->attr.name);
+ ret = event_ust_disable_tracepoint(usess, uchan, uevent->attr.name);
if (ret < 0) {
error = LTTNG_ERR_UST_DISABLE_FAIL;
continue;
}
for (i = 0; i < size; i++) {
- ret = event_ust_disable_tracepoint(usess, uchan,
- events[i].name);
+ ret = event_ust_disable_tracepoint(usess, uchan, events[i].name);
if (ret < 0) {
/* Continue to disable the rest... */
error = LTTNG_ERR_UST_DISABLE_FAIL;
/* Flag every event as enabled. */
rcu_read_lock();
- cds_lfht_for_each_entry (
- agt->events->ht, &iter.iter, aevent, node.node) {
+ cds_lfht_for_each_entry (agt->events->ht, &iter.iter, aevent, node.node) {
aevent->enabled_count++;
}
rcu_read_unlock();
* Return LTTNG_OK on success or else a LTTNG_ERR* code.
*/
int event_agent_enable_all(struct ltt_ust_session *usess,
- struct agent *agt, struct lttng_event *event,
- struct lttng_bytecode *filter ,char *filter_expression)
+ struct agent *agt,
+ struct lttng_event *event,
+ struct lttng_bytecode *filter,
+ char *filter_expression)
{
int ret;
* the lttng-ctl library.
*/
static int add_filter_app_ctx(struct lttng_bytecode *bytecode,
- const char *filter_expression, struct agent *agt)
+ const char *filter_expression,
+ struct agent *agt)
{
int ret = LTTNG_OK;
char *provider_name = NULL, *ctx_name = NULL;
- struct bytecode_symbol_iterator *it =
- bytecode_symbol_iterator_create(bytecode);
+ struct bytecode_symbol_iterator *it = bytecode_symbol_iterator_create(bytecode);
if (!it) {
ret = LTTNG_ERR_NOMEM;
do {
struct lttng_event_context ctx;
- const char *symbol_name =
- bytecode_symbol_iterator_get_name(it);
+ const char *symbol_name = bytecode_symbol_iterator_get_name(it);
- if (parse_application_context(symbol_name, &provider_name,
- &ctx_name)) {
+ if (parse_application_context(symbol_name, &provider_name, &ctx_name)) {
/* Not an application context. */
continue;
}
/* Recognized an application context. */
DBG("Enabling event with filter expression \"%s\" requires enabling the %s:%s application context.",
- filter_expression, provider_name, ctx_name);
+ filter_expression,
+ provider_name,
+ ctx_name);
ret = agent_add_context(&ctx, agt);
if (ret != LTTNG_OK) {
- ERR("Failed to add application context %s:%s.",
- provider_name, ctx_name);
+ ERR("Failed to add application context %s:%s.", provider_name, ctx_name);
goto end;
}
ret = agent_enable_context(&ctx, agt->domain);
if (ret != LTTNG_OK) {
- ERR("Failed to enable application context %s:%s.",
- provider_name, ctx_name);
+ ERR("Failed to enable application context %s:%s.", provider_name, ctx_name);
goto end;
}
}
static int agent_enable(struct agent *agt,
- struct lttng_event *event,
- struct lttng_bytecode *filter,
- char *filter_expression)
+ struct lttng_event *event,
+ struct lttng_bytecode *filter,
+ char *filter_expression)
{
int ret, created = 0;
struct agent_event *aevent;
LTTNG_ASSERT(agt);
rcu_read_lock();
- aevent = agent_find_event(event->name, event->loglevel_type,
- event->loglevel, filter_expression, agt);
+ aevent = agent_find_event(
+ event->name, event->loglevel_type, event->loglevel, filter_expression, agt);
if (!aevent) {
- aevent = agent_create_event(event->name, event->loglevel_type,
- event->loglevel, filter,
- filter_expression);
+ aevent = agent_create_event(event->name,
+ event->loglevel_type,
+ event->loglevel,
+ filter,
+ filter_expression);
if (!aevent) {
ret = LTTNG_ERR_NOMEM;
goto error;
}
if (created && aevent->filter) {
- ret = add_filter_app_ctx(
- aevent->filter, aevent->filter_expression, agt);
+ ret = add_filter_app_ctx(aevent->filter, aevent->filter_expression, agt);
if (ret != LTTNG_OK) {
goto error;
}
* Return LTTNG_OK on success or else a LTTNG_ERR* code.
*/
int event_agent_enable(struct ltt_ust_session *usess,
- struct agent *agt,
- struct lttng_event *event,
- struct lttng_bytecode *filter,
- char *filter_expression)
+ struct agent *agt,
+ struct lttng_event *event,
+ struct lttng_bytecode *filter,
+ char *filter_expression)
{
LTTNG_ASSERT(usess);
LTTNG_ASSERT(event);
LTTNG_ASSERT(agt);
- DBG("Enabling agent event: event pattern = '%s', session id = %" PRIu64 ", loglevel type = %d, loglevel = %d, filter expression = '%s'",
- event->name, usess->id, event->loglevel_type,
- event->loglevel,
- filter_expression ? filter_expression : "(none)");
+ DBG("Enabling agent event: event pattern = '%s', session id = %" PRIu64
+ ", loglevel type = %d, loglevel = %d, filter expression = '%s'",
+ event->name,
+ usess->id,
+ event->loglevel_type,
+ event->loglevel,
+ filter_expression ? filter_expression : "(none)");
return agent_enable(agt, event, filter, filter_expression);
}
condition = lttng_trigger_get_const_condition(trigger);
LTTNG_ASSERT(lttng_condition_get_type(condition) ==
- LTTNG_CONDITION_TYPE_EVENT_RULE_MATCHES);
+ LTTNG_CONDITION_TYPE_EVENT_RULE_MATCHES);
- c_status = lttng_condition_event_rule_matches_get_rule(
- condition, &rule);
+ c_status = lttng_condition_event_rule_matches_get_rule(condition, &rule);
LTTNG_ASSERT(c_status == LTTNG_CONDITION_STATUS_OK);
switch (lttng_event_rule_get_type(rule)) {
/* Get the filter bytecode */
filter_bytecode = lttng_event_rule_get_filter_bytecode(rule);
if (filter_bytecode) {
- filter_bytecode_copy =
- lttng_bytecode_copy(filter_bytecode);
+ filter_bytecode_copy = lttng_bytecode_copy(filter_bytecode);
if (!filter_bytecode_copy) {
ret = LTTNG_ERR_NOMEM;
goto end;
}
DBG("Enabling agent event from trigger: trigger name = '%s', trigger owner uid = %d, token = %" PRIu64,
- trigger_name, trigger_owner_uid,
- lttng_trigger_get_tracer_token(trigger));
+ trigger_name,
+ trigger_owner_uid,
+ lttng_trigger_get_tracer_token(trigger));
- ret = agent_enable(agt, event, filter_bytecode_copy,
- filter_expression_copy);
+ ret = agent_enable(agt, event, filter_bytecode_copy, filter_expression_copy);
/* Ownership was passed even in case of error. */
filter_expression_copy = NULL;
filter_bytecode_copy = NULL;
}
static int trigger_agent_disable_one(const struct lttng_trigger *trigger,
- struct agent *agt,
- struct agent_event *aevent)
+ struct agent *agt,
+ struct agent_event *aevent)
{
int ret;
*/
DBG("Event agent disabling %s (loglevel type %d, loglevel value %d) for trigger %" PRIu64,
- aevent->name, aevent->loglevel_type,
- aevent->loglevel_value, lttng_trigger_get_tracer_token(trigger));
+ aevent->name,
+ aevent->loglevel_type,
+ aevent->loglevel_value,
+ lttng_trigger_get_tracer_token(trigger));
/* Already disabled? */
if (!AGENT_EVENT_IS_ENABLED(aevent)) {
* Return LTTNG_OK on success or else a LTTNG_ERR* code.
*/
static int event_agent_disable_one(struct ltt_ust_session *usess,
- struct agent *agt, struct agent_event *aevent)
+ struct agent *agt,
+ struct agent_event *aevent)
{
int ret;
struct ltt_ust_event *uevent = NULL;
LTTNG_ASSERT(aevent);
DBG("Event agent disabling %s (loglevel type %d, loglevel value %d) for session %" PRIu64,
- aevent->name, aevent->loglevel_type, aevent->loglevel_value,
- usess->id);
+ aevent->name,
+ aevent->loglevel_type,
+ aevent->loglevel_value,
+ usess->id);
/* Already disabled? */
if (!AGENT_EVENT_IS_ENABLED(aevent)) {
* the event and finally disable it.
*/
uchan = trace_ust_find_channel_by_name(usess->domain_global.channels,
- (char *) ust_channel_name);
+ (char *) ust_channel_name);
if (!uchan) {
ret = LTTNG_ERR_UST_CHAN_NOT_FOUND;
goto error;
* happens thanks to an UST filter. The following -1 is actually
* ignored since the type is LTTNG_UST_LOGLEVEL_ALL.
*/
- uevent = trace_ust_find_event(uchan->events, (char *) ust_event_name,
- aevent->filter, LTTNG_UST_ABI_LOGLEVEL_ALL, -1, NULL);
+ uevent = trace_ust_find_event(uchan->events,
+ (char *) ust_event_name,
+ aevent->filter,
+ LTTNG_UST_ABI_LOGLEVEL_ALL,
+ -1,
+ NULL);
/* If the agent event exists, it must be available on the UST side. */
LTTNG_ASSERT(uevent);
*
* Return LTTNG_OK on success or else a LTTNG_ERR* code.
*/
-int trigger_agent_disable(
- const struct lttng_trigger *trigger, struct agent *agt)
+int trigger_agent_disable(const struct lttng_trigger *trigger, struct agent *agt)
{
int ret = LTTNG_OK;
struct agent_event *aevent;
LTTNG_ASSERT(trigger);
LTTNG_ASSERT(agt);
- DBG("Event agent disabling for trigger %" PRIu64,
- lttng_trigger_get_tracer_token(trigger));
+ DBG("Event agent disabling for trigger %" PRIu64, lttng_trigger_get_tracer_token(trigger));
rcu_read_lock();
aevent = agent_find_event_by_trigger(trigger, agt);
if (aevent == NULL) {
DBG2("Event agent NOT found by trigger %" PRIu64,
- lttng_trigger_get_tracer_token(trigger));
+ lttng_trigger_get_tracer_token(trigger));
ret = LTTNG_ERR_UST_EVENT_NOT_FOUND;
goto end;
}
*
* Return LTTNG_OK on success or else a LTTNG_ERR* code.
*/
-int event_agent_disable(struct ltt_ust_session *usess, struct agent *agt,
- const char *event_name)
+int event_agent_disable(struct ltt_ust_session *usess, struct agent *agt, const char *event_name)
{
int ret = LTTNG_OK;
struct agent_event *aevent;
*
* Return LTTNG_OK on success or else a LTTNG_ERR* code.
*/
-int event_agent_disable_all(struct ltt_ust_session *usess,
- struct agent *agt)
+int event_agent_disable_all(struct ltt_ust_session *usess, struct agent *agt)
{
int ret;
struct agent_event *aevent;
/* Disable every event. */
rcu_read_lock();
- cds_lfht_for_each_entry(agt->events->ht, &iter.iter, aevent,
- node.node) {
+ cds_lfht_for_each_entry (agt->events->ht, &iter.iter, aevent, node.node) {
if (!AGENT_EVENT_IS_ENABLED(aevent)) {
continue;
}
projects / lttng-tools.git / blobdiff