*/
#define _LGPL_SOURCE
-#include <fcntl.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <inttypes.h>
-#include <sys/types.h>
+#include "condition-internal.hpp"
+#include "consumer.hpp"
+#include "event-notifier-error-accounting.hpp"
+#include "kern-modules.hpp"
+#include "kernel-consumer.hpp"
+#include "kernel.hpp"
+#include "lttng-sessiond.hpp"
+#include "lttng-syscall.hpp"
+#include "modprobe.hpp"
+#include "notification-thread-commands.hpp"
+#include "rotate.hpp"
+#include "sessiond-config.hpp"
+#include "tracker.hpp"
+#include "utils.hpp"
#include <common/common.hpp>
#include <common/hashtable/utils.hpp>
-#include <common/trace-chunk.hpp>
#include <common/kernel-ctl/kernel-ctl.hpp>
#include <common/kernel-ctl/kernel-ioctl.hpp>
#include <common/sessiond-comm/sessiond-comm.hpp>
+#include <common/trace-chunk.hpp>
#include <common/tracker.hpp>
#include <common/utils.hpp>
-#include <lttng/event.h>
-#include <lttng/lttng-error.h>
-#include <lttng/tracker.h>
-#include <lttng/userspace-probe.h>
-#include <lttng/userspace-probe-internal.hpp>
-#include <lttng/condition/event-rule-matches.h>
#include <lttng/condition/event-rule-matches-internal.hpp>
-#include <lttng/event-rule/event-rule.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/event-rule/kernel-uprobe-internal.hpp>
+#include <lttng/event.h>
+#include <lttng/lttng-error.h>
+#include <lttng/tracker.h>
+#include <lttng/userspace-probe-internal.hpp>
+#include <lttng/userspace-probe.h>
-#include "event-notifier-error-accounting.hpp"
-#include "lttng-sessiond.hpp"
-#include "lttng-syscall.hpp"
-#include "condition-internal.hpp"
-#include "consumer.hpp"
-#include "kernel.hpp"
-#include "kernel-consumer.hpp"
-#include "kern-modules.hpp"
-#include "sessiond-config.hpp"
-#include "utils.hpp"
-#include "rotate.hpp"
-#include "modprobe.hpp"
-#include "tracker.hpp"
-#include "notification-thread-commands.hpp"
+#include <fcntl.h>
+#include <inttypes.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <unistd.h>
/*
* Key used to reference a channel between the sessiond and the consumer. This
*
* Assumes the ownership of ctx.
*/
-int kernel_add_channel_context(struct ltt_kernel_channel *chan,
- struct ltt_kernel_context *ctx)
+int kernel_add_channel_context(struct ltt_kernel_channel *chan, struct ltt_kernel_context *ctx)
{
int ret;
}
if (ret) {
WARN("Could not set kernel session name for session %" PRIu64 " name: %s",
- session->id, session->name);
+ session->id,
+ session->name);
}
ret = kernctl_session_set_creation_time(lks->fd, session->creation_time);
if (ret) {
WARN("Could not set kernel session creation time for session %" PRIu64 " name: %s",
- session->id, session->name);
+ session->id,
+ session->name);
}
return 0;
* Create a kernel channel, register it to the kernel tracer and add it to the
* kernel session.
*/
-int kernel_create_channel(struct ltt_kernel_session *session,
- struct lttng_channel *chan)
+int kernel_create_channel(struct ltt_kernel_session *session, struct lttng_channel *chan)
{
int ret;
struct ltt_kernel_channel *lkc;
}
DBG3("Kernel create channel %s with attr: %d, %" PRIu64 ", %" PRIu64 ", %u, %u, %d, %d",
- chan->name, lkc->channel->attr.overwrite,
- lkc->channel->attr.subbuf_size, lkc->channel->attr.num_subbuf,
- lkc->channel->attr.switch_timer_interval, lkc->channel->attr.read_timer_interval,
- lkc->channel->attr.live_timer_interval, lkc->channel->attr.output);
+ chan->name,
+ lkc->channel->attr.overwrite,
+ lkc->channel->attr.subbuf_size,
+ lkc->channel->attr.num_subbuf,
+ lkc->channel->attr.switch_timer_interval,
+ lkc->channel->attr.read_timer_interval,
+ lkc->channel->attr.live_timer_interval,
+ lkc->channel->attr.output);
/* Kernel tracer channel creation */
ret = kernctl_create_channel(session->fd, &lkc->channel->attr);
lkc->key = ++next_kernel_channel_key;
DBG("Kernel channel %s created (fd: %d, key: %" PRIu64 ")",
- lkc->channel->name, lkc->fd, lkc->key);
+ lkc->channel->name,
+ lkc->fd,
+ lkc->key);
return 0;
ret = fcntl(local_fd, F_SETFD, FD_CLOEXEC);
if (ret < 0) {
PERROR("Failed to set FD_CLOEXEC on kernel event notifier group file descriptor: fd = %d",
- local_fd);
+ local_fd);
goto error;
}
ret = close(local_fd);
if (ret) {
PERROR("Failed to close kernel event notifier group file descriptor: fd = %d",
- local_fd);
+ local_fd);
}
}
* elf symbol
* Returns -1 on error
*/
-static
-int extract_userspace_probe_offset_function_elf(
- const struct lttng_userspace_probe_location *probe_location,
- uid_t uid, gid_t gid, uint64_t *offset)
+static int extract_userspace_probe_offset_function_elf(
+ const struct lttng_userspace_probe_location *probe_location,
+ uid_t uid,
+ gid_t gid,
+ uint64_t *offset)
{
int fd;
int ret = 0;
enum lttng_userspace_probe_location_lookup_method_type lookup_method_type;
LTTNG_ASSERT(lttng_userspace_probe_location_get_type(probe_location) ==
- LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION);
+ LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION);
- lookup = lttng_userspace_probe_location_get_lookup_method(
- probe_location);
+ lookup = lttng_userspace_probe_location_get_lookup_method(probe_location);
if (!lookup) {
ret = -1;
goto end;
}
- lookup_method_type =
- lttng_userspace_probe_location_lookup_method_get_type(lookup);
+ lookup_method_type = lttng_userspace_probe_location_lookup_method_get_type(lookup);
LTTNG_ASSERT(lookup_method_type ==
- LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_ELF);
+ LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_ELF);
- symbol = lttng_userspace_probe_location_function_get_function_name(
- probe_location);
+ symbol = lttng_userspace_probe_location_function_get_function_name(probe_location);
if (!symbol) {
ret = -1;
goto end;
ret = run_as_extract_elf_symbol_offset(fd, symbol, uid, gid, offset);
if (ret < 0) {
DBG("userspace probe offset calculation failed for "
- "function %s", symbol);
+ "function %s",
+ symbol);
goto end;
}
- DBG("userspace probe elf offset for %s is 0x%jd", symbol, (intmax_t)(*offset));
+ DBG("userspace probe elf offset for %s is 0x%jd", symbol, (intmax_t) (*offset));
end:
return ret;
}
* SDT tracepoint.
* Returns -1 on error.
*/
-static
-int extract_userspace_probe_offset_tracepoint_sdt(
- const struct lttng_userspace_probe_location *probe_location,
- uid_t uid, gid_t gid, uint64_t **offsets,
- uint32_t *offsets_count)
+static int extract_userspace_probe_offset_tracepoint_sdt(
+ const struct lttng_userspace_probe_location *probe_location,
+ uid_t uid,
+ gid_t gid,
+ uint64_t **offsets,
+ uint32_t *offsets_count)
{
enum lttng_userspace_probe_location_lookup_method_type lookup_method_type;
const struct lttng_userspace_probe_location_lookup_method *lookup = NULL;
int fd, i;
LTTNG_ASSERT(lttng_userspace_probe_location_get_type(probe_location) ==
- LTTNG_USERSPACE_PROBE_LOCATION_TYPE_TRACEPOINT);
+ LTTNG_USERSPACE_PROBE_LOCATION_TYPE_TRACEPOINT);
lookup = lttng_userspace_probe_location_get_lookup_method(probe_location);
if (!lookup) {
goto end;
}
- lookup_method_type =
- lttng_userspace_probe_location_lookup_method_get_type(lookup);
+ lookup_method_type = lttng_userspace_probe_location_lookup_method_get_type(lookup);
LTTNG_ASSERT(lookup_method_type ==
- LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_TRACEPOINT_SDT);
-
+ LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_TRACEPOINT_SDT);
- probe_name = lttng_userspace_probe_location_tracepoint_get_probe_name(
- probe_location);
+ probe_name = lttng_userspace_probe_location_tracepoint_get_probe_name(probe_location);
if (!probe_name) {
ret = -1;
goto end;
}
- provider_name = lttng_userspace_probe_location_tracepoint_get_provider_name(
- probe_location);
+ provider_name = lttng_userspace_probe_location_tracepoint_get_provider_name(probe_location);
if (!provider_name) {
ret = -1;
goto end;
goto end;
}
- ret = run_as_extract_sdt_probe_offsets(fd, provider_name, probe_name,
- uid, gid, offsets, offsets_count);
+ ret = run_as_extract_sdt_probe_offsets(
+ fd, provider_name, probe_name, uid, gid, offsets, offsets_count);
if (ret < 0) {
DBG("userspace probe offset calculation failed for sdt "
- "probe %s:%s", provider_name, probe_name);
+ "probe %s:%s",
+ provider_name,
+ probe_name);
goto end;
}
}
DBG("%u userspace probe SDT offsets found for %s:%s at:",
- *offsets_count, provider_name, probe_name);
+ *offsets_count,
+ provider_name,
+ probe_name);
for (i = 0; i < *offsets_count; i++) {
- DBG("\t0x%jd", (intmax_t)((*offsets)[i]));
+ DBG("\t0x%jd", (intmax_t) ((*offsets)[i]));
}
end:
return ret;
}
-static
-int userspace_probe_add_callsite(
- const struct lttng_userspace_probe_location *location,
- uid_t uid, gid_t gid, int fd)
+static int userspace_probe_add_callsite(const struct lttng_userspace_probe_location *location,
+ uid_t uid,
+ gid_t gid,
+ int fd)
{
const struct lttng_userspace_probe_location_lookup_method *lookup_method = NULL;
enum lttng_userspace_probe_location_lookup_method_type type;
struct lttng_kernel_abi_event_callsite callsite;
uint64_t offset;
- ret = extract_userspace_probe_offset_function_elf(location,
- uid, gid, &offset);
+ ret = extract_userspace_probe_offset_function_elf(location, uid, gid, &offset);
if (ret) {
ret = LTTNG_ERR_PROBE_LOCATION_INVAL;
goto end;
* This call allocates the offsets buffer. This buffer must be freed
* by the caller
*/
- ret = extract_userspace_probe_offset_tracepoint_sdt(location,
- uid, gid, &offsets, &offsets_count);
+ ret = extract_userspace_probe_offset_tracepoint_sdt(
+ location, uid, gid, &offsets, &offsets_count);
if (ret) {
ret = LTTNG_ERR_PROBE_LOCATION_INVAL;
goto end;
* Extract the offsets of the instrumentation point for the different lookup
* methods.
*/
-static
-int userspace_probe_event_add_callsites(struct lttng_event *ev,
- struct ltt_kernel_session *session, int fd)
+static int userspace_probe_event_add_callsites(struct lttng_event *ev,
+ struct ltt_kernel_session *session,
+ int fd)
{
int ret;
const struct lttng_userspace_probe_location *location = NULL;
goto end;
}
- ret = userspace_probe_add_callsite(location, session->uid, session->gid,
- fd);
+ ret = userspace_probe_add_callsite(location, session->uid, session->gid, fd);
if (ret) {
- WARN("Failed to add callsite to userspace probe event '%s'",
- ev->name);
+ WARN("Failed to add callsite to userspace probe event '%s'", ev->name);
}
end:
* Extract the offsets of the instrumentation point for the different look-up
* methods.
*/
-static int userspace_probe_event_rule_add_callsites(
- const struct lttng_event_rule *rule,
- const struct lttng_credentials *creds,
- int fd)
+static int userspace_probe_event_rule_add_callsites(const struct lttng_event_rule *rule,
+ const struct lttng_credentials *creds,
+ int fd)
{
int ret;
enum lttng_event_rule_status status;
goto end;
}
- ret = userspace_probe_add_callsite(location,
- lttng_credentials_get_uid(creds),
- lttng_credentials_get_gid(creds), fd);
+ ret = userspace_probe_add_callsite(
+ location, lttng_credentials_get_uid(creds), lttng_credentials_get_gid(creds), fd);
if (ret) {
- WARN("Failed to add callsite to user space probe object: fd = %d",
- fd);
+ WARN("Failed to add callsite to user space probe object: fd = %d", fd);
}
end:
* We own filter_expression and filter.
*/
int kernel_create_event(struct lttng_event *ev,
- struct ltt_kernel_channel *channel,
- char *filter_expression,
- struct lttng_bytecode *filter)
+ struct ltt_kernel_channel *channel,
+ char *filter_expression,
+ struct lttng_bytecode *filter)
{
int err, fd;
enum lttng_error_code ret;
LTTNG_ASSERT(channel);
/* We pass ownership of filter_expression and filter */
- ret = trace_kernel_create_event(ev, filter_expression,
- filter, &event);
+ ret = trace_kernel_create_event(ev, filter_expression, filter, &event);
if (ret != LTTNG_OK) {
goto error;
}
}
if (ev->type == LTTNG_EVENT_USERSPACE_PROBE) {
- ret = (lttng_error_code) userspace_probe_event_add_callsites(ev, channel->session,
- event->fd);
+ ret = (lttng_error_code) userspace_probe_event_add_callsites(
+ ev, channel->session, event->fd);
if (ret) {
goto add_callsite_error;
}
add_callsite_error:
enable_error:
filter_error:
- {
- int closeret;
+{
+ int closeret;
- closeret = close(event->fd);
- if (closeret) {
- PERROR("close event fd");
- }
+ closeret = close(event->fd);
+ if (closeret) {
+ PERROR("close event fd");
}
+}
free_event:
free(event);
error:
chan->enabled = 0;
DBG("Kernel channel %s disabled (fd: %d, key: %" PRIu64 ")",
- chan->channel->name, chan->fd, chan->key);
+ chan->channel->name,
+ chan->fd,
+ chan->key);
return 0;
chan->enabled = 1;
DBG("Kernel channel %s enabled (fd: %d, key: %" PRIu64 ")",
- chan->channel->name, chan->fd, chan->key);
+ chan->channel->name,
+ chan->fd,
+ chan->key);
return 0;
ret = kernctl_disable(event->fd);
if (ret < 0) {
PERROR("Failed to disable kernel event: name = '%s', fd = %d",
- event->event->name, event->fd);
+ event->event->name,
+ event->fd);
goto error;
}
/*
* Disable a kernel event notifier.
*/
-static
-int kernel_disable_event_notifier_rule(struct ltt_kernel_event_notifier_rule *event)
+static int kernel_disable_event_notifier_rule(struct ltt_kernel_event_notifier_rule *event)
{
int ret;
ret = kernctl_disable(event->fd);
if (ret < 0) {
PERROR("Failed to disable kernel event notifier: fd = %d, token = %" PRIu64,
- event->fd, event->token);
+ event->fd,
+ event->token);
goto error;
}
event->enabled = 0;
- DBG("Disabled kernel event notifier: fd = %d, token = %" PRIu64,
- event->fd, event->token);
+ DBG("Disabled kernel event notifier: fd = %d, token = %" PRIu64, event->fd, event->token);
error:
return ret;
}
-static
-struct process_attr_tracker *_kernel_get_process_attr_tracker(
- struct ltt_kernel_session *session,
- enum lttng_process_attr process_attr)
+static struct process_attr_tracker *
+_kernel_get_process_attr_tracker(struct ltt_kernel_session *session,
+ enum lttng_process_attr process_attr)
{
switch (process_attr) {
case LTTNG_PROCESS_ATTR_PROCESS_ID:
}
}
-const struct process_attr_tracker *kernel_get_process_attr_tracker(
- struct ltt_kernel_session *session,
- enum lttng_process_attr process_attr)
+const struct process_attr_tracker *
+kernel_get_process_attr_tracker(struct ltt_kernel_session *session,
+ enum lttng_process_attr process_attr)
{
- return (const struct process_attr_tracker *)
- _kernel_get_process_attr_tracker(session, process_attr);
+ return (const struct process_attr_tracker *) _kernel_get_process_attr_tracker(session,
+ process_attr);
}
-enum lttng_error_code kernel_process_attr_tracker_set_tracking_policy(
- struct ltt_kernel_session *session,
- enum lttng_process_attr process_attr,
- enum lttng_tracking_policy policy)
+enum lttng_error_code
+kernel_process_attr_tracker_set_tracking_policy(struct ltt_kernel_session *session,
+ enum lttng_process_attr process_attr,
+ enum lttng_tracking_policy policy)
{
int ret;
enum lttng_error_code ret_code = LTTNG_OK;
struct process_attr_tracker *tracker =
- _kernel_get_process_attr_tracker(session, process_attr);
+ _kernel_get_process_attr_tracker(session, process_attr);
enum lttng_tracking_policy previous_policy;
if (!tracker) {
return ret_code;
}
-enum lttng_error_code kernel_process_attr_tracker_inclusion_set_add_value(
- struct ltt_kernel_session *session,
- enum lttng_process_attr process_attr,
- const struct process_attr_value *value)
+enum lttng_error_code
+kernel_process_attr_tracker_inclusion_set_add_value(struct ltt_kernel_session *session,
+ enum lttng_process_attr process_attr,
+ const struct process_attr_value *value)
{
int ret, integral_value;
enum lttng_error_code ret_code;
if (value->type == LTTNG_PROCESS_ATTR_VALUE_TYPE_USER_NAME) {
uid_t uid;
- ret_code = utils_user_id_from_name(
- value->value.user_name, &uid);
+ ret_code = utils_user_id_from_name(value->value.user_name, &uid);
if (ret_code != LTTNG_OK) {
goto end;
}
if (value->type == LTTNG_PROCESS_ATTR_VALUE_TYPE_GROUP_NAME) {
gid_t gid;
- ret_code = utils_group_id_from_name(
- value->value.group_name, &gid);
+ ret_code = utils_group_id_from_name(value->value.group_name, &gid);
if (ret_code != LTTNG_OK) {
goto end;
}
}
DBG("Kernel track %s %d for session id %" PRIu64,
- lttng_process_attr_to_string(process_attr),
- integral_value, session->id);
+ lttng_process_attr_to_string(process_attr),
+ integral_value,
+ session->id);
if (process_attr == LTTNG_PROCESS_ATTR_PROCESS_ID) {
/*
* Maintain a special case for the process ID process attribute
*/
ret = kernctl_track_pid(session->fd, integral_value);
} else {
- ret = kernctl_track_id(
- session->fd, process_attr, integral_value);
+ ret = kernctl_track_id(session->fd, process_attr, integral_value);
}
if (ret == 0) {
ret_code = LTTNG_OK;
}
/* Attempt to remove the value from the tracker. */
- status = process_attr_tracker_inclusion_set_remove_value(
- tracker, value);
+ status = process_attr_tracker_inclusion_set_remove_value(tracker, value);
if (status != PROCESS_ATTR_TRACKER_STATUS_OK) {
ERR("Failed to roll-back the tracking of kernel %s process attribute %d while handling a kern-ctl error",
- lttng_process_attr_to_string(process_attr),
- integral_value);
+ lttng_process_attr_to_string(process_attr),
+ integral_value);
}
end:
return ret_code;
}
-enum lttng_error_code kernel_process_attr_tracker_inclusion_set_remove_value(
- struct ltt_kernel_session *session,
- enum lttng_process_attr process_attr,
- const struct process_attr_value *value)
+enum lttng_error_code
+kernel_process_attr_tracker_inclusion_set_remove_value(struct ltt_kernel_session *session,
+ enum lttng_process_attr process_attr,
+ const struct process_attr_value *value)
{
int ret, integral_value;
enum lttng_error_code ret_code;
if (value->type == LTTNG_PROCESS_ATTR_VALUE_TYPE_USER_NAME) {
uid_t uid;
- ret_code = utils_user_id_from_name(
- value->value.user_name, &uid);
+ ret_code = utils_user_id_from_name(value->value.user_name, &uid);
if (ret_code != LTTNG_OK) {
goto end;
}
if (value->type == LTTNG_PROCESS_ATTR_VALUE_TYPE_GROUP_NAME) {
gid_t gid;
- ret_code = utils_group_id_from_name(
- value->value.group_name, &gid);
+ ret_code = utils_group_id_from_name(value->value.group_name, &gid);
if (ret_code != LTTNG_OK) {
goto end;
}
goto end;
}
- status = process_attr_tracker_inclusion_set_remove_value(
- tracker, value);
+ status = process_attr_tracker_inclusion_set_remove_value(tracker, value);
if (status != PROCESS_ATTR_TRACKER_STATUS_OK) {
switch (status) {
case PROCESS_ATTR_TRACKER_STATUS_MISSING:
}
DBG("Kernel track %s %d for session id %" PRIu64,
- lttng_process_attr_to_string(process_attr),
- integral_value, session->id);
+ lttng_process_attr_to_string(process_attr),
+ integral_value,
+ session->id);
if (process_attr == LTTNG_PROCESS_ATTR_PROCESS_ID) {
/*
* Maintain a special case for the process ID process attribute
*/
ret = kernctl_untrack_pid(session->fd, integral_value);
} else {
- ret = kernctl_untrack_id(
- session->fd, process_attr, integral_value);
+ ret = kernctl_untrack_id(session->fd, process_attr, integral_value);
}
if (ret == 0) {
ret_code = LTTNG_OK;
}
/* Attempt to add the value to the tracker. */
- status = process_attr_tracker_inclusion_set_add_value(
- tracker, value);
+ status = process_attr_tracker_inclusion_set_add_value(tracker, value);
if (status != PROCESS_ATTR_TRACKER_STATUS_OK) {
ERR("Failed to roll-back the tracking of kernel %s process attribute %d while handling a kern-ctl error",
- lttng_process_attr_to_string(process_attr),
- integral_value);
+ lttng_process_attr_to_string(process_attr),
+ integral_value);
}
end:
return ret_code;
DBG("Flush buffer for channel %s", channel->channel->name);
- cds_list_for_each_entry(stream, &channel->stream_list.head, list) {
+ cds_list_for_each_entry (stream, &channel->stream_list.head, list) {
DBG("Flushing channel stream %d", stream->fd);
ret = kernctl_buffer_flush(stream->fd);
if (ret < 0) {
PERROR("ioctl");
- ERR("Fail to flush buffer for stream %d (ret: %d)",
- stream->fd, ret);
+ ERR("Fail to flush buffer for stream %d (ret: %d)", stream->fd, ret);
}
}
LTTNG_ASSERT(channel);
while ((ret = kernctl_create_stream(channel->fd)) >= 0) {
- lks = trace_kernel_create_stream(channel->channel->name,
- channel->stream_count);
+ lks = trace_kernel_create_stream(channel->channel->name, channel->stream_count);
if (lks == NULL) {
ret = close(ret);
if (ret) {
cds_list_add(&lks->list, &channel->stream_list.head);
channel->stream_count++;
- DBG("Kernel stream %s created (fd: %d, state: %d)", lks->name, lks->fd,
- lks->state);
+ DBG("Kernel stream %s created (fd: %d, state: %d)", lks->name, lks->fd, lks->state);
}
return channel->stream_count;
size_t new_nbmem;
new_nbmem = nbmem << 1;
- DBG("Reallocating event list from %zu to %zu bytes",
- nbmem, new_nbmem);
- new_elist = (lttng_event *) realloc(elist, new_nbmem * sizeof(struct lttng_event));
+ DBG("Reallocating event list from %zu to %zu bytes", nbmem, new_nbmem);
+ new_elist = (lttng_event *) realloc(elist,
+ new_nbmem * sizeof(struct lttng_event));
if (new_elist == NULL) {
PERROR("realloc list events");
free(event);
goto end;
}
/* Zero the new memory */
- memset(new_elist + nbmem, 0,
- (new_nbmem - nbmem) * sizeof(struct lttng_event));
+ memset(new_elist + nbmem,
+ 0,
+ (new_nbmem - nbmem) * sizeof(struct lttng_event));
nbmem = new_nbmem;
elist = new_elist;
}
*events = elist;
DBG("Kernel list events done (%zu events)", count);
end:
- ret = fclose(fp); /* closes both fp and fd */
+ ret = fclose(fp); /* closes both fp and fd */
if (ret) {
PERROR("fclose");
}
* Get kernel version and validate it.
*/
int kernel_validate_version(struct lttng_kernel_abi_tracer_version *version,
- struct lttng_kernel_abi_tracer_abi_version *abi_version)
+ struct lttng_kernel_abi_tracer_abi_version *abi_version)
{
int ret;
/* Validate version */
if (version->major != VERSION_MAJOR) {
ERR("Kernel tracer major version (%d) is not compatible with lttng-tools major version (%d)",
- version->major, VERSION_MAJOR);
+ version->major,
+ VERSION_MAJOR);
goto error_version;
}
ret = kernctl_tracer_abi_version(kernel_tracer_fd, abi_version);
}
if (abi_version->major != LTTNG_KERNEL_ABI_MAJOR_VERSION) {
ERR("Kernel tracer ABI version (%d.%d) does not match the expected ABI major version (%d.*)",
- abi_version->major, abi_version->minor,
- LTTNG_KERNEL_ABI_MAJOR_VERSION);
+ abi_version->major,
+ abi_version->minor,
+ LTTNG_KERNEL_ABI_MAJOR_VERSION);
goto error;
}
DBG2("Kernel tracer version validated (%d.%d, ABI %d.%d)",
- version->major, version->minor,
- abi_version->major, abi_version->minor);
+ version->major,
+ version->minor,
+ abi_version->major,
+ abi_version->minor);
return 0;
error_version:
/* For each consumer socket. */
rcu_read_lock();
- cds_lfht_for_each_entry(ksess->consumer->socks->ht, &iter.iter,
- socket, node.node) {
+ cds_lfht_for_each_entry (
+ ksess->consumer->socks->ht, &iter.iter, socket, node.node) {
struct ltt_kernel_channel *chan;
/* For each channel, ask the consumer to destroy it. */
- cds_list_for_each_entry(chan, &ksess->channel_list.head, list) {
+ cds_list_for_each_entry (chan, &ksess->channel_list.head, list) {
ret = kernel_consumer_destroy_channel(socket, chan);
if (ret < 0) {
/* Consumer is probably dead. Use next socket. */
*
* Return LTTNG_OK on success or else return a LTTNG_ERR code.
*/
-enum lttng_error_code kernel_snapshot_record(
- struct ltt_kernel_session *ksess,
- const struct consumer_output *output,
- uint64_t nb_packets_per_stream)
+enum lttng_error_code kernel_snapshot_record(struct ltt_kernel_session *ksess,
+ const struct consumer_output *output,
+ uint64_t nb_packets_per_stream)
{
int err, ret, saved_metadata_fd;
enum lttng_error_code status = LTTNG_OK;
goto error_open_stream;
}
- trace_path = setup_channel_trace_path(ksess->consumer,
- "", &consumer_path_offset);
+ trace_path = setup_channel_trace_path(ksess->consumer, "", &consumer_path_offset);
if (!trace_path) {
status = LTTNG_ERR_INVALID;
goto error;
}
/* Send metadata to consumer and snapshot everything. */
- cds_lfht_for_each_entry(output->socks->ht, &iter.iter,
- socket, node.node) {
+ cds_lfht_for_each_entry (output->socks->ht, &iter.iter, socket, node.node) {
struct ltt_kernel_channel *chan;
pthread_mutex_lock(socket->lock);
}
/* For each channel, ask the consumer to snapshot it. */
- cds_list_for_each_entry(chan, &ksess->channel_list.head, list) {
- status = consumer_snapshot_channel(socket, chan->key, output, 0,
- &trace_path[consumer_path_offset],
- nb_packets_per_stream);
+ cds_list_for_each_entry (chan, &ksess->channel_list.head, list) {
+ status = consumer_snapshot_channel(socket,
+ chan->key,
+ output,
+ 0,
+ &trace_path[consumer_path_offset],
+ nb_packets_per_stream);
if (status != LTTNG_OK) {
- (void) kernel_consumer_destroy_metadata(socket,
- ksess->metadata);
+ (void) kernel_consumer_destroy_metadata(socket, ksess->metadata);
goto error_consumer;
}
}
/* Snapshot metadata, */
- status = consumer_snapshot_channel(socket, ksess->metadata->key, output,
- 1, &trace_path[consumer_path_offset], 0);
+ status = consumer_snapshot_channel(socket,
+ ksess->metadata->key,
+ output,
+ 1,
+ &trace_path[consumer_path_offset],
+ 0);
if (status != LTTNG_OK) {
goto error_consumer;
}
return kernctl_syscall_mask(chan_fd, syscall_mask, nr_bits);
}
-static
-int kernel_tracer_abi_greater_or_equal(unsigned int major, unsigned int minor)
+static int kernel_tracer_abi_greater_or_equal(unsigned int major, unsigned int minor)
{
int ret;
struct lttng_kernel_abi_tracer_abi_version abi;
LTTNG_ASSERT(ksess);
LTTNG_ASSERT(ksess->consumer);
- DBG("Rotate kernel session %s started (session %" PRIu64 ")",
- session->name, session->id);
+ DBG("Rotate kernel session %s started (session %" PRIu64 ")", session->name, session->id);
rcu_read_lock();
* Note that this loop will end after one iteration given that there is
* only one kernel consumer.
*/
- cds_lfht_for_each_entry(ksess->consumer->socks->ht, &iter.iter,
- socket, node.node) {
+ cds_lfht_for_each_entry (ksess->consumer->socks->ht, &iter.iter, socket, node.node) {
struct ltt_kernel_channel *chan;
/* For each channel, ask the consumer to rotate it. */
- cds_list_for_each_entry(chan, &ksess->channel_list.head, list) {
+ cds_list_for_each_entry (chan, &ksess->channel_list.head, list) {
DBG("Rotate kernel channel %" PRIu64 ", session %s",
- chan->key, session->name);
- ret = consumer_rotate_channel(socket, chan->key,
- ksess->consumer,
- /* is_metadata_channel */ false);
+ chan->key,
+ session->name);
+ ret = consumer_rotate_channel(socket,
+ chan->key,
+ ksess->consumer,
+ /* is_metadata_channel */ false);
if (ret < 0) {
status = LTTNG_ERR_ROTATION_FAIL_CONSUMER;
goto error;
/*
* Rotate the metadata channel.
*/
- ret = consumer_rotate_channel(socket, ksess->metadata->key,
- ksess->consumer,
- /* is_metadata_channel */ true);
+ ret = consumer_rotate_channel(socket,
+ ksess->metadata->key,
+ ksess->consumer,
+ /* is_metadata_channel */ true);
if (ret < 0) {
status = LTTNG_ERR_ROTATION_FAIL_CONSUMER;
goto error;
return status;
}
-enum lttng_error_code kernel_create_channel_subdirectories(
- const struct ltt_kernel_session *ksess)
+enum lttng_error_code kernel_create_channel_subdirectories(const struct ltt_kernel_session *ksess)
{
enum lttng_error_code ret = LTTNG_OK;
enum lttng_trace_chunk_status chunk_status;
* of implicitly creating the channel's path.
*/
chunk_status = lttng_trace_chunk_create_subdirectory(
- ksess->current_trace_chunk,
- DEFAULT_KERNEL_TRACE_DIR "/" DEFAULT_INDEX_DIR);
+ ksess->current_trace_chunk, DEFAULT_KERNEL_TRACE_DIR "/" DEFAULT_INDEX_DIR);
if (chunk_status != LTTNG_TRACE_CHUNK_STATUS_OK) {
ret = LTTNG_ERR_CREATE_DIR_FAIL;
goto error;
}
/* Validate kernel version */
- ret = kernel_validate_version(&the_kernel_tracer_version,
- &the_kernel_tracer_abi_version);
+ ret = kernel_validate_version(&the_kernel_tracer_version, &the_kernel_tracer_abi_version);
if (ret < 0) {
goto error_version;
}
}
if (ret < 1) {
WARN("Kernel tracer does not support buffer monitoring. "
- "The monitoring timer of channels in the kernel domain "
- "will be set to 0 (disabled).");
+ "The monitoring timer of channels in the kernel domain "
+ "will be set to 0 (disabled).");
}
ret = kernel_supports_event_notifiers();
} else {
enum event_notifier_error_accounting_status error_accounting_status;
enum lttng_error_code error_code_ret =
- kernel_create_event_notifier_group_notification_fd(
- &kernel_tracer_event_notifier_group_notification_fd);
+ kernel_create_event_notifier_group_notification_fd(
+ &kernel_tracer_event_notifier_group_notification_fd);
if (error_code_ret != LTTNG_OK) {
goto error_modules;
}
error_accounting_status = event_notifier_error_accounting_register_kernel(
- kernel_tracer_event_notifier_group_fd);
+ kernel_tracer_event_notifier_group_fd);
if (error_accounting_status != EVENT_NOTIFIER_ERROR_ACCOUNTING_STATUS_OK) {
ERR("Failed to initialize event notifier error accounting for kernel tracer");
error_code_ret = LTTNG_ERR_EVENT_NOTIFIER_ERROR_ACCOUNTING;
}
kernel_token_to_event_notifier_rule_ht = cds_lfht_new(
- DEFAULT_HT_SIZE, 1, 0,
- CDS_LFHT_AUTO_RESIZE | CDS_LFHT_ACCOUNTING,
- NULL);
+ DEFAULT_HT_SIZE, 1, 0, CDS_LFHT_AUTO_RESIZE | CDS_LFHT_ACCOUNTING, NULL);
if (!kernel_token_to_event_notifier_rule_ht) {
goto error_token_ht;
}
}
DBG("Kernel tracer initialized: kernel tracer fd = %d, event notifier group fd = %d, event notifier group notification fd = %d",
- kernel_tracer_fd, kernel_tracer_event_notifier_group_fd,
- kernel_tracer_event_notifier_group_notification_fd);
+ kernel_tracer_fd,
+ kernel_tracer_event_notifier_group_fd,
+ kernel_tracer_event_notifier_group_notification_fd);
ret = syscall_init_table(kernel_tracer_fd);
if (ret < 0) {
ERR("Unable to populate syscall table. Syscall tracing won't "
- "work for this session daemon.");
+ "work for this session daemon.");
}
return 0;
modprobe_remove_lttng_control();
ret = close(kernel_tracer_fd);
if (ret) {
- PERROR("Failed to close kernel tracer file descriptor: fd = %d",
- kernel_tracer_fd);
+ PERROR("Failed to close kernel tracer file descriptor: fd = %d", kernel_tracer_fd);
}
kernel_tracer_fd = -1;
return LTTNG_ERR_KERN_VERSION;
-
error_token_ht:
ret = close(kernel_tracer_event_notifier_group_notification_fd);
if (ret) {
PERROR("Failed to close kernel tracer event notifier group notification file descriptor: fd = %d",
- kernel_tracer_event_notifier_group_notification_fd);
+ kernel_tracer_event_notifier_group_notification_fd);
}
kernel_tracer_event_notifier_group_notification_fd = -1;
ret = close(kernel_tracer_event_notifier_group_fd);
if (ret) {
PERROR("Failed to close kernel tracer event notifier group file descriptor: fd = %d",
- kernel_tracer_event_notifier_group_fd);
+ kernel_tracer_event_notifier_group_fd);
}
kernel_tracer_event_notifier_group_fd = -1;
ret = close(kernel_tracer_fd);
if (ret) {
- PERROR("Failed to close kernel tracer file descriptor: fd = %d",
- kernel_tracer_fd);
+ PERROR("Failed to close kernel tracer file descriptor: fd = %d", kernel_tracer_fd);
}
kernel_tracer_fd = -1;
DBG2("Closing kernel event notifier group notification file descriptor");
if (kernel_tracer_event_notifier_group_notification_fd >= 0) {
int ret = notification_thread_command_remove_tracer_event_source(
- the_notification_thread_handle,
- kernel_tracer_event_notifier_group_notification_fd);
+ the_notification_thread_handle,
+ kernel_tracer_event_notifier_group_notification_fd);
if (ret != LTTNG_OK) {
ERR("Failed to remove kernel event notifier notification from notification thread");
}
ret = close(kernel_tracer_event_notifier_group_notification_fd);
if (ret) {
PERROR("Failed to close kernel event notifier group notification file descriptor: fd = %d",
- kernel_tracer_event_notifier_group_notification_fd);
+ kernel_tracer_event_notifier_group_notification_fd);
}
kernel_tracer_event_notifier_group_notification_fd = -1;
}
if (kernel_token_to_event_notifier_rule_ht) {
- const int ret = cds_lfht_destroy(
- kernel_token_to_event_notifier_rule_ht, NULL);
+ const int ret = cds_lfht_destroy(kernel_token_to_event_notifier_rule_ht, NULL);
LTTNG_ASSERT(ret == 0);
}
if (ret) {
PERROR("Failed to close kernel event notifier group file descriptor: fd = %d",
- kernel_tracer_event_notifier_group_fd);
+ kernel_tracer_event_notifier_group_fd);
}
kernel_tracer_event_notifier_group_fd = -1;
if (ret) {
PERROR("Failed to close kernel tracer file descriptor: fd = %d",
- kernel_tracer_fd);
+ kernel_tracer_fd);
}
kernel_tracer_fd = -1;
LTTNG_ASSERT(ksess);
LTTNG_ASSERT(ksess->consumer);
- DBG("Clear kernel session %s (session %" PRIu64 ")",
- session->name, session->id);
+ DBG("Clear kernel session %s (session %" PRIu64 ")", session->name, session->id);
rcu_read_lock();
* Note that this loop will end after one iteration given that there is
* only one kernel consumer.
*/
- cds_lfht_for_each_entry(ksess->consumer->socks->ht, &iter.iter,
- socket, node.node) {
+ cds_lfht_for_each_entry (ksess->consumer->socks->ht, &iter.iter, socket, node.node) {
struct ltt_kernel_channel *chan;
/* For each channel, ask the consumer to clear it. */
- cds_list_for_each_entry(chan, &ksess->channel_list.head, list) {
+ cds_list_for_each_entry (chan, &ksess->channel_list.head, list) {
DBG("Clear kernel channel %" PRIu64 ", session %s",
- chan->key, session->name);
+ chan->key,
+ session->name);
ret = consumer_clear_channel(socket, chan->key);
if (ret < 0) {
goto error;
error:
switch (-ret) {
case LTTCOMM_CONSUMERD_RELAYD_CLEAR_DISALLOWED:
- status = LTTNG_ERR_CLEAR_RELAY_DISALLOWED;
- break;
+ status = LTTNG_ERR_CLEAR_RELAY_DISALLOWED;
+ break;
default:
- status = LTTNG_ERR_CLEAR_FAIL_CONSUMER;
- break;
+ status = LTTNG_ERR_CLEAR_FAIL_CONSUMER;
+ break;
}
end:
rcu_read_unlock();
return status;
}
-enum lttng_error_code kernel_create_event_notifier_group_notification_fd(
- int *event_notifier_group_notification_fd)
+enum lttng_error_code
+kernel_create_event_notifier_group_notification_fd(int *event_notifier_group_notification_fd)
{
int local_fd = -1, ret;
enum lttng_error_code error_code_ret;
LTTNG_ASSERT(event_notifier_group_notification_fd);
ret = kernctl_create_event_notifier_group_notification_fd(
- kernel_tracer_event_notifier_group_fd);
+ kernel_tracer_event_notifier_group_fd);
if (ret < 0) {
PERROR("Failed to create kernel event notifier group notification file descriptor");
error_code_ret = LTTNG_ERR_EVENT_NOTIFIER_GROUP_NOTIFICATION_FD;
ret = fcntl(local_fd, F_SETFD, FD_CLOEXEC);
if (ret < 0) {
PERROR("Failed to set FD_CLOEXEC on kernel event notifier group notification file descriptor: fd = %d",
- local_fd);
+ local_fd);
error_code_ret = LTTNG_ERR_EVENT_NOTIFIER_GROUP_NOTIFICATION_FD;
goto error;
}
- DBG("Created kernel notifier group notification file descriptor: fd = %d",
- local_fd);
+ DBG("Created kernel notifier group notification file descriptor: fd = %d", local_fd);
error_code_ret = LTTNG_OK;
*event_notifier_group_notification_fd = local_fd;
local_fd = -1;
ret = close(local_fd);
if (ret) {
PERROR("Failed to close kernel event notifier group notification file descriptor: fd = %d",
- local_fd);
+ local_fd);
}
}
return error_code_ret;
}
-enum lttng_error_code kernel_destroy_event_notifier_group_notification_fd(
- int event_notifier_group_notification_fd)
+enum lttng_error_code
+kernel_destroy_event_notifier_group_notification_fd(int event_notifier_group_notification_fd)
{
enum lttng_error_code ret_code = LTTNG_OK;
DBG("Closing event notifier group notification file descriptor: fd = %d",
- event_notifier_group_notification_fd);
+ event_notifier_group_notification_fd);
if (event_notifier_group_notification_fd >= 0) {
const int ret = close(event_notifier_group_notification_fd);
if (ret) {
PERROR("Failed to close event notifier group notification file descriptor: fd = %d",
- event_notifier_group_notification_fd);
+ event_notifier_group_notification_fd);
}
}
return ret_code;
}
-static
-unsigned long hash_trigger(const struct lttng_trigger *trigger)
+static unsigned long hash_trigger(const struct lttng_trigger *trigger)
{
- const struct lttng_condition *condition =
- lttng_trigger_get_const_condition(trigger);
+ const struct lttng_condition *condition = lttng_trigger_get_const_condition(trigger);
return lttng_condition_hash(condition);
}
-static
-int match_trigger(struct cds_lfht_node *node, const void *key)
+static int match_trigger(struct cds_lfht_node *node, const void *key)
{
const struct ltt_kernel_event_notifier_rule *event_notifier_rule;
const struct lttng_trigger *trigger = (lttng_trigger *) key;
- event_notifier_rule = caa_container_of(node,
- const struct ltt_kernel_event_notifier_rule, ht_node);
+ event_notifier_rule =
+ caa_container_of(node, const struct ltt_kernel_event_notifier_rule, ht_node);
return lttng_trigger_is_equal(trigger, event_notifier_rule->trigger);
}
static enum lttng_error_code kernel_create_event_notifier_rule(
- struct lttng_trigger *trigger,
- const struct lttng_credentials *creds, uint64_t token)
+ struct lttng_trigger *trigger, const struct lttng_credentials *creds, uint64_t token)
{
int err, fd, ret = 0;
enum lttng_error_code error_code_ret;
LTTNG_ASSERT(condition_type == LTTNG_CONDITION_TYPE_EVENT_RULE_MATCHES);
/* Does not acquire a reference. */
- condition_status = lttng_condition_event_rule_matches_get_rule(
- condition, &event_rule);
+ condition_status = lttng_condition_event_rule_matches_get_rule(condition, &event_rule);
LTTNG_ASSERT(condition_status == LTTNG_CONDITION_STATUS_OK);
LTTNG_ASSERT(event_rule);
event_rule_type = lttng_event_rule_get_type(event_rule);
LTTNG_ASSERT(event_rule_type != LTTNG_EVENT_RULE_TYPE_UNKNOWN);
- error_code_ret = trace_kernel_create_event_notifier_rule(trigger, token,
- lttng_condition_event_rule_matches_get_error_counter_index(
- condition),
- &event_notifier_rule);
+ error_code_ret = trace_kernel_create_event_notifier_rule(
+ trigger,
+ token,
+ lttng_condition_event_rule_matches_get_error_counter_index(condition),
+ &event_notifier_rule);
if (error_code_ret != LTTNG_OK) {
goto error;
}
- error_code_ret = trace_kernel_init_event_notifier_from_event_rule(
- event_rule, &kernel_event_notifier);
+ error_code_ret = trace_kernel_init_event_notifier_from_event_rule(event_rule,
+ &kernel_event_notifier);
if (error_code_ret != LTTNG_OK) {
goto free_event;
}
kernel_event_notifier.event.token = event_notifier_rule->token;
kernel_event_notifier.error_counter_idx =
- lttng_condition_event_rule_matches_get_error_counter_index(
- condition);
+ lttng_condition_event_rule_matches_get_error_counter_index(condition);
- fd = kernctl_create_event_notifier(
- kernel_tracer_event_notifier_group_fd,
- &kernel_event_notifier);
+ fd = kernctl_create_event_notifier(kernel_tracer_event_notifier_group_fd,
+ &kernel_event_notifier);
if (fd < 0) {
switch (-fd) {
case EEXIST:
break;
case ENOENT:
WARN("Failed to create kernel event notifier: not found: name = '%s'",
- kernel_event_notifier.event.name);
+ kernel_event_notifier.event.name);
error_code_ret = LTTNG_ERR_KERN_ENABLE_FAIL;
break;
default:
PERROR("Failed to create kernel event notifier: error code = %d, name = '%s'",
- fd, kernel_event_notifier.event.name);
+ fd,
+ kernel_event_notifier.event.name);
error_code_ret = LTTNG_ERR_KERN_ENABLE_FAIL;
}
goto free_event;
err = fcntl(event_notifier_rule->fd, F_SETFD, FD_CLOEXEC);
if (err < 0) {
PERROR("Failed to set FD_CLOEXEC on kernel event notifier file descriptor: fd = %d",
- fd);
+ fd);
error_code_ret = LTTNG_ERR_FATAL;
goto set_cloexec_error;
}
}
}
- if (lttng_event_rule_get_type(event_rule) ==
- LTTNG_EVENT_RULE_TYPE_KERNEL_UPROBE) {
+ if (lttng_event_rule_get_type(event_rule) == LTTNG_EVENT_RULE_TYPE_KERNEL_UPROBE) {
ret = userspace_probe_event_rule_add_callsites(
- event_rule, creds, event_notifier_rule->fd);
+ event_rule, creds, event_notifier_rule->fd);
if (ret) {
error_code_ret = LTTNG_ERR_KERN_ENABLE_FAIL;
goto add_callsite_error;
/* Set the capture bytecode if any. */
cond_status = lttng_condition_event_rule_matches_get_capture_descriptor_count(
- condition, &capture_bytecode_count);
+ condition, &capture_bytecode_count);
LTTNG_ASSERT(cond_status == LTTNG_CONDITION_STATUS_OK);
for (i = 0; i < capture_bytecode_count; i++) {
const struct lttng_bytecode *capture_bytecode =
- lttng_condition_event_rule_matches_get_capture_bytecode_at_index(
- condition, i);
+ lttng_condition_event_rule_matches_get_capture_bytecode_at_index(condition,
+ i);
if (capture_bytecode == NULL) {
ERR("Unexpected NULL capture bytecode on condition");
ret = kernctl_capture(event_notifier_rule->fd, capture_bytecode);
if (ret < 0) {
ERR("Failed to set capture bytecode on event notifier rule fd: fd = %d",
- event_notifier_rule->fd);
+ event_notifier_rule->fd);
error_code_ret = LTTNG_ERR_KERN_ENABLE_FAIL;
goto capture_error;
}
/* Add trigger to kernel token mapping in the hash table. */
rcu_read_lock();
- cds_lfht_add(kernel_token_to_event_notifier_rule_ht, hash_trigger(trigger),
- &event_notifier_rule->ht_node);
+ cds_lfht_add(kernel_token_to_event_notifier_rule_ht,
+ hash_trigger(trigger),
+ &event_notifier_rule->ht_node);
rcu_read_unlock();
DBG("Created kernel event notifier: name = '%s', fd = %d",
- kernel_event_notifier.event.name,
- event_notifier_rule->fd);
+ kernel_event_notifier.event.name,
+ event_notifier_rule->fd);
return LTTNG_OK;
enable_error:
set_cloexec_error:
filter_error:
- {
- const int close_ret = close(event_notifier_rule->fd);
+{
+ const int close_ret = close(event_notifier_rule->fd);
- if (close_ret) {
- PERROR("Failed to close kernel event notifier file descriptor: fd = %d",
- event_notifier_rule->fd);
- }
+ if (close_ret) {
+ PERROR("Failed to close kernel event notifier file descriptor: fd = %d",
+ event_notifier_rule->fd);
}
+}
free_event:
free(event_notifier_rule);
error:
return error_code_ret;
}
-enum lttng_error_code kernel_register_event_notifier(
- struct lttng_trigger *trigger,
- const struct lttng_credentials *cmd_creds)
+enum lttng_error_code kernel_register_event_notifier(struct lttng_trigger *trigger,
+ const struct lttng_credentials *cmd_creds)
{
enum lttng_error_code ret;
enum lttng_condition_status status;
enum lttng_domain_type domain_type;
const struct lttng_event_rule *event_rule;
- const struct lttng_condition *const condition =
- lttng_trigger_get_const_condition(trigger);
+ const struct lttng_condition *const condition = lttng_trigger_get_const_condition(trigger);
const uint64_t token = lttng_trigger_get_tracer_token(trigger);
LTTNG_ASSERT(condition);
/* Does not acquire a reference to the event rule. */
- status = lttng_condition_event_rule_matches_get_rule(
- condition, &event_rule);
+ status = lttng_condition_event_rule_matches_get_rule(condition, &event_rule);
LTTNG_ASSERT(status == LTTNG_CONDITION_STATUS_OK);
domain_type = lttng_event_rule_get_domain_type(event_rule);
return ret;
}
-enum lttng_error_code kernel_unregister_event_notifier(
- const struct lttng_trigger *trigger)
+enum lttng_error_code kernel_unregister_event_notifier(const struct lttng_trigger *trigger)
{
struct ltt_kernel_event_notifier_rule *token_event_rule_element;
struct cds_lfht_node *node;
rcu_read_lock();
cds_lfht_lookup(kernel_token_to_event_notifier_rule_ht,
- hash_trigger(trigger), match_trigger, trigger, &iter);
+ hash_trigger(trigger),
+ match_trigger,
+ trigger,
+ &iter);
node = cds_lfht_iter_get_node(&iter);
if (!node) {
goto error;
}
- token_event_rule_element = caa_container_of(node,
- struct ltt_kernel_event_notifier_rule, ht_node);
+ token_event_rule_element =
+ caa_container_of(node, struct ltt_kernel_event_notifier_rule, ht_node);
ret = kernel_disable_event_notifier_rule(token_event_rule_element);
if (ret) {
projects / lttng-tools.git / blobdiff