/*
* Copyright (C) 2014 - Jonathan Rajotte <jonathan.r.julien@gmail.com>
* - Olivier Cotte <olivier.cotte@polymtl.ca>
+ * Copyright (C) 2016 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License, version 2 only, as
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-
-#include <include/config.h>
-#include <common/config/config.h>
+#define _LGPL_SOURCE
+#include <common/config/session-config.h>
+#include <common/defaults.h>
+#include <lttng/snapshot-internal.h>
+#include <lttng/channel.h>
#include "mi-lttng.h"
#include <assert.h>
+#define MI_SCHEMA_MAJOR_VERSION 3
+#define MI_SCHEMA_MINOR_VERSION 0
+
+/* Machine interface namespace URI */
+LTTNG_HIDDEN const char * const mi_lttng_xmlns = "xmlns";
+LTTNG_HIDDEN const char * const mi_lttng_xmlns_xsi = "xmlns:xsi";
+LTTNG_HIDDEN const char * const mi_lttng_w3_schema_uri = "http://www.w3.org/2001/XMLSchema-instance";
+LTTNG_HIDDEN const char * const mi_lttng_schema_location = "xsi:schemaLocation";
+LTTNG_HIDDEN const char * const mi_lttng_schema_location_uri =
+ DEFAULT_LTTNG_MI_NAMESPACE " "
+ "http://lttng.org/xml/schemas/lttng-mi/" XSTR(MI_SCHEMA_MAJOR_VERSION)
+ "/lttng-mi-" XSTR(MI_SCHEMA_MAJOR_VERSION) "."
+ XSTR(MI_SCHEMA_MINOR_VERSION) ".xsd";
+LTTNG_HIDDEN const char * const mi_lttng_schema_version = "schemaVersion";
+LTTNG_HIDDEN const char * const mi_lttng_schema_version_value = XSTR(MI_SCHEMA_MAJOR_VERSION)
+ "." XSTR(MI_SCHEMA_MINOR_VERSION);
+
/* Strings related to command */
const char * const mi_lttng_element_command = "command";
-const char * const mi_lttng_element_command_version = "version";
+const char * const mi_lttng_element_command_action = "snapshot_action";
+const char * const mi_lttng_element_command_add_context = "add-context";
+const char * const mi_lttng_element_command_create = "create";
+const char * const mi_lttng_element_command_destroy = "destroy";
+const char * const mi_lttng_element_command_disable_channel = "disable-channel";
+const char * const mi_lttng_element_command_disable_event = "disable-event";
+const char * const mi_lttng_element_command_enable_channels = "enable-channel";
+const char * const mi_lttng_element_command_enable_event = "enable-event";
const char * const mi_lttng_element_command_list = "list";
-const char * const mi_lttng_element_command_save = "save";
const char * const mi_lttng_element_command_load = "load";
+LTTNG_HIDDEN const char * const mi_lttng_element_command_metadata = "metadata";
+LTTNG_HIDDEN const char * const mi_lttng_element_command_metadata_action = "metadata_action";
+LTTNG_HIDDEN const char * const mi_lttng_element_command_regenerate = "regenerate";
+LTTNG_HIDDEN const char * const mi_lttng_element_command_regenerate_action = "regenerate_action";
const char * const mi_lttng_element_command_name = "name";
+const char * const mi_lttng_element_command_output = "output";
+const char * const mi_lttng_element_command_save = "save";
+const char * const mi_lttng_element_command_set_session = "set-session";
+const char * const mi_lttng_element_command_snapshot = "snapshot";
+const char * const mi_lttng_element_command_snapshot_add = "add_snapshot";
+const char * const mi_lttng_element_command_snapshot_del = "del_snapshot";
+const char * const mi_lttng_element_command_snapshot_list = "list_snapshot";
+const char * const mi_lttng_element_command_snapshot_record = "record_snapshot";
const char * const mi_lttng_element_command_start = "start";
const char * const mi_lttng_element_command_stop = "stop";
-const char * const mi_lttng_element_command_output = "output";
const char * const mi_lttng_element_command_success = "success";
+const char * const mi_lttng_element_command_track = "track";
+const char * const mi_lttng_element_command_untrack = "untrack";
+const char * const mi_lttng_element_command_version = "version";
+const char * const mi_lttng_element_command_rotate = "rotate";
+const char * const mi_lttng_element_command_enable_rotation = "enable-rotation";
+const char * const mi_lttng_element_command_disable_rotation = "disable-rotation";
/* Strings related to version command */
const char * const mi_lttng_element_version = "version";
-const char * const mi_lttng_element_version_str = "string";
-const char * const mi_lttng_element_version_web = "url";
-const char * const mi_lttng_element_version_major = "major";
-const char * const mi_lttng_element_version_minor = "minor";
const char * const mi_lttng_element_version_commit = "commit";
+const char * const mi_lttng_element_version_description = "description";
const char * const mi_lttng_element_version_license = "license";
+const char * const mi_lttng_element_version_major = "major";
+const char * const mi_lttng_element_version_minor = "minor";
const char * const mi_lttng_element_version_patch_level = "patchLevel";
-const char * const mi_lttng_element_version_description = "description";
+const char * const mi_lttng_element_version_str = "string";
+const char * const mi_lttng_element_version_web = "url";
+
+/* String related to a lttng_event_field */
+const char * const mi_lttng_element_event_field = "event_field";
+const char * const mi_lttng_element_event_fields = "event_fields";
+
+/* String related to lttng_event_perf_counter_ctx */
+const char * const mi_lttng_element_perf_counter_context = "perf";
/* Strings related to pid */
-const char * const mi_lttng_element_pids = "pids";
-const char * const mi_lttng_element_pid = "pid";
const char * const mi_lttng_element_pid_id = "id";
/* Strings related to save command */
/* Strings related to load command */
const char * const mi_lttng_element_load = "load";
-
-/* String related to a lttng_event_field */
-const char * const mi_lttng_element_event_field = "event_field";
-const char * const mi_lttng_element_event_fields = "event_fields";
+LTTNG_HIDDEN const char * const mi_lttng_element_load_overrides = "overrides";
+LTTNG_HIDDEN const char * const mi_lttng_element_load_override_url = "url";
/* General elements of mi_lttng */
-const char * const mi_lttng_element_type_other = "OTHER";
-const char * const mi_lttng_element_type_integer = "INTEGER";
+const char * const mi_lttng_element_empty = "";
+const char * const mi_lttng_element_id = "id";
+const char * const mi_lttng_element_nowrite = "nowrite";
+const char * const mi_lttng_element_success = "success";
const char * const mi_lttng_element_type_enum = "ENUM";
const char * const mi_lttng_element_type_float = "FLOAT";
+const char * const mi_lttng_element_type_integer = "INTEGER";
+const char * const mi_lttng_element_type_other = "OTHER";
const char * const mi_lttng_element_type_string = "STRING";
-const char * const mi_lttng_element_nowrite = "nowrite";
/* String related to loglevel */
const char * const mi_lttng_loglevel_str_alert = "TRACE_ALERT";
const char * const mi_lttng_loglevel_str_unknown = "UNKNOWN";
const char * const mi_lttng_loglevel_str_warning = "TRACE_WARNING";
+/* String related to loglevel JUL */
+const char * const mi_lttng_loglevel_str_jul_all = "JUL_ALL";
+const char * const mi_lttng_loglevel_str_jul_config = "JUL_CONFIG";
+const char * const mi_lttng_loglevel_str_jul_fine = "JUL_FINE";
+const char * const mi_lttng_loglevel_str_jul_finer = "JUL_FINER";
+const char * const mi_lttng_loglevel_str_jul_finest = "JUL_FINEST";
+const char * const mi_lttng_loglevel_str_jul_info = "JUL_INFO";
+const char * const mi_lttng_loglevel_str_jul_off = "JUL_OFF";
+const char * const mi_lttng_loglevel_str_jul_severe = "JUL_SEVERE";
+const char * const mi_lttng_loglevel_str_jul_warning = "JUL_WARNING";
+
+/* String related to loglevel LOG4J */
+const char * const mi_lttng_loglevel_str_log4j_off = "LOG4J_OFF";
+const char * const mi_lttng_loglevel_str_log4j_fatal = "LOG4J_FATAL";
+const char * const mi_lttng_loglevel_str_log4j_error = "LOG4J_ERROR";
+const char * const mi_lttng_loglevel_str_log4j_warn = "LOG4J_WARN";
+const char * const mi_lttng_loglevel_str_log4j_info = "LOG4J_INFO";
+const char * const mi_lttng_loglevel_str_log4j_debug = "LOG4J_DEBUG";
+const char * const mi_lttng_loglevel_str_log4j_trace = "LOG4J_TRACE";
+const char * const mi_lttng_loglevel_str_log4j_all = "LOG4J_ALL";
+
+/* String related to loglevel Python */
+const char * const mi_lttng_loglevel_str_python_critical = "PYTHON_CRITICAL";
+const char * const mi_lttng_loglevel_str_python_error = "PYTHON_ERROR";
+const char * const mi_lttng_loglevel_str_python_warning = "PYTHON_WARNING";
+const char * const mi_lttng_loglevel_str_python_info = "PYTHON_INFO";
+const char * const mi_lttng_loglevel_str_python_debug = "PYTHON_DEBUG";
+const char * const mi_lttng_loglevel_str_python_notset = "PYTHON_NOTSET";
+
/* String related to loglevel type */
const char * const mi_lttng_loglevel_type_all = "ALL";
const char * const mi_lttng_loglevel_type_range = "RANGE";
const char * const mi_lttng_loglevel_type_single = "SINGLE";
const char * const mi_lttng_loglevel_type_unknown = "UNKNOWN";
-const char * const mi_lttng_element_empty = "";
-
-const char *mi_lttng_loglevel_string(int value)
+/* String related to a lttng_snapshot_output */
+const char * const mi_lttng_element_snapshot_ctrl_url = "ctrl_url";
+const char * const mi_lttng_element_snapshot_data_url = "data_url";
+const char * const mi_lttng_element_snapshot_max_size = "max_size";
+const char * const mi_lttng_element_snapshot_n_ptr = "n_ptr";
+const char * const mi_lttng_element_snapshot_session_name = "session_name";
+const char * const mi_lttng_element_snapshots = "snapshots";
+
+/* String related to track/untrack command */
+const char * const mi_lttng_element_track_untrack_all_wildcard = "*";
+
+LTTNG_HIDDEN const char * const mi_lttng_element_session_name = "session_name";
+
+/* String related to rotate command */
+LTTNG_HIDDEN const char * const mi_lttng_element_rotation = "rotation";
+LTTNG_HIDDEN const char * const mi_lttng_element_rotations = "rotations";
+LTTNG_HIDDEN const char * const mi_lttng_element_rotate_status = "status";
+LTTNG_HIDDEN const char * const mi_lttng_element_rotation_schedule = "rotation_schedule";
+
+/* Deprecated symbols preserved for ABI compatibility. */
+const char * const mi_lttng_context_type_perf_counter;
+const char * const mi_lttng_context_type_perf_cpu_counter;
+const char * const mi_lttng_context_type_perf_thread_counter;
+const char * const mi_lttng_element_track_untrack_pid_target;
+const char * const mi_lttng_element_track_untrack_targets;
+const char * const mi_lttng_element_calibrate;
+const char * const mi_lttng_element_calibrate_function;
+const char * const mi_lttng_element_command_calibrate;
+
+/* This is a merge of jul loglevel and regular loglevel
+ * Those should never overlap by definition
+ * (see struct lttng_event loglevel)
+ */
+LTTNG_HIDDEN
+const char *mi_lttng_loglevel_string(int value, enum lttng_domain_type domain)
{
- switch (value) {
- case -1:
- return mi_lttng_element_empty;
- case LTTNG_LOGLEVEL_EMERG:
- return mi_lttng_loglevel_str_emerg;
- case LTTNG_LOGLEVEL_ALERT:
- return mi_lttng_loglevel_str_alert;
- case LTTNG_LOGLEVEL_CRIT:
- return mi_lttng_loglevel_str_crit;
- case LTTNG_LOGLEVEL_ERR:
- return mi_lttng_loglevel_str_err;
- case LTTNG_LOGLEVEL_WARNING:
- return mi_lttng_loglevel_str_warning;
- case LTTNG_LOGLEVEL_NOTICE:
- return mi_lttng_loglevel_str_notice;
- case LTTNG_LOGLEVEL_INFO:
- return mi_lttng_loglevel_str_info;
- case LTTNG_LOGLEVEL_DEBUG_SYSTEM:
- return mi_lttng_loglevel_str_debug_system;
- case LTTNG_LOGLEVEL_DEBUG_PROGRAM:
- return mi_lttng_loglevel_str_debug_program;
- case LTTNG_LOGLEVEL_DEBUG_PROCESS:
- return mi_lttng_loglevel_str_debug_process;
- case LTTNG_LOGLEVEL_DEBUG_MODULE:
- return mi_lttng_loglevel_str_debug_module;
- case LTTNG_LOGLEVEL_DEBUG_UNIT:
- return mi_lttng_loglevel_str_debug_unit;
- case LTTNG_LOGLEVEL_DEBUG_FUNCTION:
- return mi_lttng_loglevel_str_debug_function;
- case LTTNG_LOGLEVEL_DEBUG_LINE:
- return mi_lttng_loglevel_str_debug_line;
- case LTTNG_LOGLEVEL_DEBUG:
- return mi_lttng_loglevel_str_debug;
+ switch (domain) {
+ case LTTNG_DOMAIN_KERNEL:
+ case LTTNG_DOMAIN_UST:
+ switch (value) {
+ case -1:
+ return mi_lttng_element_empty;
+ case LTTNG_LOGLEVEL_EMERG:
+ return mi_lttng_loglevel_str_emerg;
+ case LTTNG_LOGLEVEL_ALERT:
+ return mi_lttng_loglevel_str_alert;
+ case LTTNG_LOGLEVEL_CRIT:
+ return mi_lttng_loglevel_str_crit;
+ case LTTNG_LOGLEVEL_ERR:
+ return mi_lttng_loglevel_str_err;
+ case LTTNG_LOGLEVEL_WARNING:
+ return mi_lttng_loglevel_str_warning;
+ case LTTNG_LOGLEVEL_NOTICE:
+ return mi_lttng_loglevel_str_notice;
+ case LTTNG_LOGLEVEL_INFO:
+ return mi_lttng_loglevel_str_info;
+ case LTTNG_LOGLEVEL_DEBUG_SYSTEM:
+ return mi_lttng_loglevel_str_debug_system;
+ case LTTNG_LOGLEVEL_DEBUG_PROGRAM:
+ return mi_lttng_loglevel_str_debug_program;
+ case LTTNG_LOGLEVEL_DEBUG_PROCESS:
+ return mi_lttng_loglevel_str_debug_process;
+ case LTTNG_LOGLEVEL_DEBUG_MODULE:
+ return mi_lttng_loglevel_str_debug_module;
+ case LTTNG_LOGLEVEL_DEBUG_UNIT:
+ return mi_lttng_loglevel_str_debug_unit;
+ case LTTNG_LOGLEVEL_DEBUG_FUNCTION:
+ return mi_lttng_loglevel_str_debug_function;
+ case LTTNG_LOGLEVEL_DEBUG_LINE:
+ return mi_lttng_loglevel_str_debug_line;
+ case LTTNG_LOGLEVEL_DEBUG:
+ return mi_lttng_loglevel_str_debug;
+ default:
+ return mi_lttng_loglevel_str_unknown;
+ }
+ break;
+ case LTTNG_DOMAIN_LOG4J:
+ switch (value) {
+ case -1:
+ return mi_lttng_element_empty;
+ case LTTNG_LOGLEVEL_LOG4J_OFF:
+ return mi_lttng_loglevel_str_log4j_off;
+ case LTTNG_LOGLEVEL_LOG4J_FATAL:
+ return mi_lttng_loglevel_str_log4j_fatal;
+ case LTTNG_LOGLEVEL_LOG4J_ERROR:
+ return mi_lttng_loglevel_str_log4j_error;
+ case LTTNG_LOGLEVEL_LOG4J_WARN:
+ return mi_lttng_loglevel_str_log4j_warn;
+ case LTTNG_LOGLEVEL_LOG4J_INFO:
+ return mi_lttng_loglevel_str_log4j_info;
+ case LTTNG_LOGLEVEL_LOG4J_DEBUG:
+ return mi_lttng_loglevel_str_log4j_debug;
+ case LTTNG_LOGLEVEL_LOG4J_TRACE:
+ return mi_lttng_loglevel_str_log4j_trace;
+ case LTTNG_LOGLEVEL_LOG4J_ALL:
+ return mi_lttng_loglevel_str_log4j_all;
+ default:
+ return mi_lttng_loglevel_str_unknown;
+ }
+ break;
+ case LTTNG_DOMAIN_JUL:
+ switch (value) {
+ case -1:
+ return mi_lttng_element_empty;
+ case LTTNG_LOGLEVEL_JUL_OFF:
+ return mi_lttng_loglevel_str_jul_off;
+ case LTTNG_LOGLEVEL_JUL_SEVERE:
+ return mi_lttng_loglevel_str_jul_severe;
+ case LTTNG_LOGLEVEL_JUL_WARNING:
+ return mi_lttng_loglevel_str_jul_warning;
+ case LTTNG_LOGLEVEL_JUL_INFO:
+ return mi_lttng_loglevel_str_jul_info;
+ case LTTNG_LOGLEVEL_JUL_CONFIG:
+ return mi_lttng_loglevel_str_jul_config;
+ case LTTNG_LOGLEVEL_JUL_FINE:
+ return mi_lttng_loglevel_str_jul_fine;
+ case LTTNG_LOGLEVEL_JUL_FINER:
+ return mi_lttng_loglevel_str_jul_finer;
+ case LTTNG_LOGLEVEL_JUL_FINEST:
+ return mi_lttng_loglevel_str_jul_finest;
+ case LTTNG_LOGLEVEL_JUL_ALL:
+ return mi_lttng_loglevel_str_jul_all;
+ default:
+ return mi_lttng_loglevel_str_unknown;
+ }
+ break;
+ case LTTNG_DOMAIN_PYTHON:
+ switch (value) {
+ case LTTNG_LOGLEVEL_PYTHON_CRITICAL:
+ return mi_lttng_loglevel_str_python_critical;
+ case LTTNG_LOGLEVEL_PYTHON_ERROR:
+ return mi_lttng_loglevel_str_python_error;
+ case LTTNG_LOGLEVEL_PYTHON_WARNING:
+ return mi_lttng_loglevel_str_python_warning;
+ case LTTNG_LOGLEVEL_PYTHON_INFO:
+ return mi_lttng_loglevel_str_python_info;
+ case LTTNG_LOGLEVEL_PYTHON_DEBUG:
+ return mi_lttng_loglevel_str_python_debug;
+ case LTTNG_LOGLEVEL_PYTHON_NOTSET:
+ return mi_lttng_loglevel_str_python_notset;
+ default:
+ return mi_lttng_loglevel_str_unknown;
+ }
+ break;
default:
return mi_lttng_loglevel_str_unknown;
}
}
+LTTNG_HIDDEN
const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value)
{
switch (value) {
}
}
+LTTNG_HIDDEN
const char *mi_lttng_eventtype_string(enum lttng_event_type value)
{
switch (value) {
}
}
+static
+const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val)
+{
+ switch (val) {
+ case LTTNG_EVENT_CONTEXT_PID:
+ return config_event_context_pid;
+ case LTTNG_EVENT_CONTEXT_PROCNAME:
+ return config_event_context_procname;
+ case LTTNG_EVENT_CONTEXT_PRIO:
+ return config_event_context_prio;
+ case LTTNG_EVENT_CONTEXT_NICE:
+ return config_event_context_nice;
+ case LTTNG_EVENT_CONTEXT_VPID:
+ return config_event_context_vpid;
+ case LTTNG_EVENT_CONTEXT_TID:
+ return config_event_context_tid;
+ case LTTNG_EVENT_CONTEXT_VTID:
+ return config_event_context_vtid;
+ case LTTNG_EVENT_CONTEXT_PPID:
+ return config_event_context_ppid;
+ case LTTNG_EVENT_CONTEXT_VPPID:
+ return config_event_context_vppid;
+ case LTTNG_EVENT_CONTEXT_PTHREAD_ID:
+ return config_event_context_pthread_id;
+ case LTTNG_EVENT_CONTEXT_HOSTNAME:
+ return config_event_context_hostname;
+ case LTTNG_EVENT_CONTEXT_IP:
+ return config_event_context_ip;
+ case LTTNG_EVENT_CONTEXT_INTERRUPTIBLE:
+ return config_event_context_interruptible;
+ case LTTNG_EVENT_CONTEXT_PREEMPTIBLE:
+ return config_event_context_preemptible;
+ case LTTNG_EVENT_CONTEXT_NEED_RESCHEDULE:
+ return config_event_context_need_reschedule;
+ case LTTNG_EVENT_CONTEXT_MIGRATABLE:
+ return config_event_context_migratable;
+ default:
+ return NULL;
+ }
+}
+
+LTTNG_HIDDEN
const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val)
{
switch (val) {
}
}
+LTTNG_HIDDEN
const char *mi_lttng_domaintype_string(enum lttng_domain_type value)
{
/* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */
return config_domain_type_ust;
case LTTNG_DOMAIN_JUL:
return config_domain_type_jul;
+ case LTTNG_DOMAIN_LOG4J:
+ return config_domain_type_log4j;
+ case LTTNG_DOMAIN_PYTHON:
+ return config_domain_type_python;
default:
/* Should not have an unknown domain */
assert(0);
+ return NULL;
}
}
+LTTNG_HIDDEN
const char *mi_lttng_buffertype_string(enum lttng_buffer_type value)
{
switch (value) {
default:
/* Should not have an unknow buffer type */
assert(0);
+ return NULL;
}
}
goto end;
}
if (mi_output_type == LTTNG_MI_XML) {
- mi_writer->writer = config_writer_create(fd_output);
+ mi_writer->writer = config_writer_create(fd_output, 0);
if (!mi_writer->writer) {
goto err_destroy;
}
{
int ret;
- ret = mi_lttng_writer_open_element(writer, mi_lttng_element_command);
+ /*
+ * A command is always the MI's root node, it must declare the current
+ * namespace and schema URIs and the schema's version.
+ */
+ ret = config_writer_open_element(writer->writer,
+ mi_lttng_element_command);
if (ret) {
goto end;
}
+
+ ret = config_writer_write_attribute(writer->writer,
+ mi_lttng_xmlns, DEFAULT_LTTNG_MI_NAMESPACE);
+ if (ret) {
+ goto end;
+ }
+
+ ret = config_writer_write_attribute(writer->writer,
+ mi_lttng_xmlns_xsi, mi_lttng_w3_schema_uri);
+ if (ret) {
+ goto end;
+ }
+
+ ret = config_writer_write_attribute(writer->writer,
+ mi_lttng_schema_location,
+ mi_lttng_schema_location_uri);
+ if (ret) {
+ goto end;
+ }
+
+ ret = config_writer_write_attribute(writer->writer,
+ mi_lttng_schema_version,
+ mi_lttng_schema_version_value);
+ if (ret) {
+ goto end;
+ }
+
ret = mi_lttng_writer_write_element_string(writer,
mi_lttng_element_command_name, command);
end:
/* Version string (contain info like rc etc.) */
ret = mi_lttng_writer_write_element_string(writer,
- mi_lttng_element_version_str, VERSION);
+ mi_lttng_element_version_str, version->version);
if (ret) {
goto end;
}
goto end;
}
- /* TODO: attr... not sure how to use the union.... */
+ /* TODO: union attr
+ * This union is not currently used and was added for
+ * future ust domain support.
+ * Date: 25-06-2014
+ * */
if (!is_open) {
/* Closing domain element */
struct lttng_channel_attr *attr)
{
int ret = 0;
+ struct lttng_channel *chan = caa_container_of(attr,
+ struct lttng_channel, attr);
+ uint64_t discarded_events, lost_packets, monitor_timer_interval;
+ int64_t blocking_timeout;
assert(attr);
+ ret = lttng_channel_get_discarded_event_count(chan, &discarded_events);
+ if (ret) {
+ goto end;
+ }
+
+ ret = lttng_channel_get_lost_packet_count(chan, &lost_packets);
+ if (ret) {
+ goto end;
+ }
+
+ ret = lttng_channel_get_monitor_timer_interval(chan,
+ &monitor_timer_interval);
+ if (ret) {
+ goto end;
+ }
+
+ ret = lttng_channel_get_blocking_timeout(chan,
+ &blocking_timeout);
+ if (ret) {
+ goto end;
+ }
+
/* Opening Attributes */
ret = mi_lttng_writer_open_element(writer, config_element_attributes);
if (ret) {
goto end;
}
+ /* Monitor timer interval in usec */
+ ret = mi_lttng_writer_write_element_unsigned_int(writer,
+ config_element_monitor_timer_interval,
+ monitor_timer_interval);
+ if (ret) {
+ goto end;
+ }
+
+ /* Retry timeout in usec */
+ ret = mi_lttng_writer_write_element_signed_int(writer,
+ config_element_blocking_timeout,
+ blocking_timeout);
+ if (ret) {
+ goto end;
+ }
+
/* Event output */
ret = mi_lttng_writer_write_element_string(writer,
config_element_output_type,
goto end;
}
+ /* Discarded events */
+ ret = mi_lttng_writer_write_element_unsigned_int(writer,
+ config_element_discarded_events,
+ discarded_events);
+ if (ret) {
+ goto end;
+ }
+
+ /* Lost packets */
+ ret = mi_lttng_writer_write_element_unsigned_int(writer,
+ config_element_lost_packets,
+ lost_packets);
+ if (ret) {
+ goto end;
+ }
+
/* Closing attributes */
ret = mi_lttng_writer_close_element(writer);
if (ret) {
struct lttng_event *event)
{
int ret;
+ const char *filter_expression;
/* Open event element */
ret = mi_lttng_writer_open_element(writer, config_element_event);
goto end;
}
- /* event name */
+ /* Event name */
ret = mi_lttng_writer_write_element_string(writer,
config_element_name, event->name);
if (ret) {
goto end;
}
- /* event type */
+ /* Event type */
ret = mi_lttng_writer_write_element_string(writer,
config_element_type, mi_lttng_eventtype_string(event->type));
if (ret) {
goto end;
}
- /* is event enabled */
+ /* Is event enabled */
ret = mi_lttng_writer_write_element_bool(writer,
config_element_enabled, event->enabled);
if (ret) {
goto end;
}
- /* event filter enabled? */
- ret = mi_lttng_writer_write_element_bool(writer,
- config_element_filter, event->filter);
+ /* Event filter expression */
+ ret = lttng_event_get_filter_expression(event, &filter_expression);
+ if (ret) {
+ goto end;
+ }
+
+ if (filter_expression) {
+ ret = mi_lttng_writer_write_element_string(writer,
+ config_element_filter_expression,
+ filter_expression);
+ if (ret) {
+ goto end;
+ }
+ }
+
+end:
+ return ret;
+}
+
+static int write_event_exclusions(struct mi_writer *writer,
+ struct lttng_event *event)
+{
+ int i;
+ int ret;
+ int exclusion_count;
+
+ /* Open event exclusions */
+ ret = mi_lttng_writer_open_element(writer, config_element_exclusions);
+ if (ret) {
+ goto end;
+ }
+
+ exclusion_count = lttng_event_get_exclusion_name_count(event);
+ if (exclusion_count < 0) {
+ ret = exclusion_count;
+ goto end;
+ }
+
+ for (i = 0; i < exclusion_count; i++) {
+ const char *name;
+
+ ret = lttng_event_get_exclusion_name(event, i, &name);
+ if (ret) {
+ /* Close exclusions */
+ mi_lttng_writer_close_element(writer);
+ goto end;
+ }
+
+ ret = mi_lttng_writer_write_element_string(writer,
+ config_element_exclusion, name);
+ if (ret) {
+ /* Close exclusions */
+ mi_lttng_writer_close_element(writer);
+ goto end;
+ }
+ }
+
+ /* Close exclusions */
+ ret = mi_lttng_writer_close_element(writer);
end:
return ret;
LTTNG_HIDDEN
int mi_lttng_event_tracepoint_loglevel(struct mi_writer *writer,
- struct lttng_event *event)
+ struct lttng_event *event, enum lttng_domain_type domain)
{
int ret;
- /* event loglevel */
+ /* Event loglevel */
ret = mi_lttng_writer_write_element_string(writer,
- config_element_loglevel, mi_lttng_loglevel_string(event->loglevel));
+ config_element_loglevel,
+ mi_lttng_loglevel_string(event->loglevel, domain));
if (ret) {
goto end;
}
+ /* Log level type */
ret = mi_lttng_writer_write_element_string(writer,
config_element_loglevel_type,
mi_lttng_logleveltype_string(event->loglevel_type));
goto end;
}
- /* event exclusion filter */
- ret = mi_lttng_writer_write_element_bool(writer,
- config_element_exclusion, event->exclusion);
- if (ret) {
- goto end;
- }
+ /* Event exclusions */
+ ret = write_event_exclusions(writer, event);
end:
return ret;
struct lttng_event *event)
{
/* event exclusion filter */
- return mi_lttng_writer_write_element_bool(writer,
- config_element_exclusion, event->exclusion);
+ return write_event_exclusions(writer, event);
}
LTTNG_HIDDEN
{
int ret;
+ ret = mi_lttng_writer_open_element(writer, config_element_attributes);
+ if (ret) {
+ goto end;
+ }
+
+ ret = mi_lttng_writer_open_element(writer, config_element_probe_attributes);
+ if (ret) {
+ goto end;
+ }
+
if (event->attr.probe.addr != 0) {
/* event probe address */
ret = mi_lttng_writer_write_element_unsigned_int(writer,
goto end;
}
}
+
+ /* Close probe_attributes and attributes */
+ ret = mi_lttng_close_multi_element(writer, 2);
end:
return ret;
}
int mi_lttng_event_function_entry(struct mi_writer *writer,
struct lttng_event *event)
{
+ int ret;
+
+ ret = mi_lttng_writer_open_element(writer, config_element_attributes);
+ if (ret) {
+ goto end;
+ }
+
+ ret = mi_lttng_writer_open_element(writer, config_element_probe_attributes);
+ if (ret) {
+ goto end;
+ }
+
/* event probe symbol_name */
- return mi_lttng_writer_write_element_string(writer,
+ ret = mi_lttng_writer_write_element_string(writer,
config_element_symbol_name, event->attr.ftrace.symbol_name);
+ if (ret) {
+ goto end;
+ }
+
+ /* Close function_attributes and attributes */
+ ret = mi_lttng_close_multi_element(writer, 2);
+end:
+ return ret;
}
LTTNG_HIDDEN
LTTNG_HIDDEN
int mi_lttng_event(struct mi_writer *writer,
- struct lttng_event *event, int is_open)
+ struct lttng_event *event, int is_open, enum lttng_domain_type domain)
{
int ret;
}
switch (event->type) {
- case LTTNG_EVENT_ALL:
- /* We should never have "all" events in list. */
- assert(0);
- break;
case LTTNG_EVENT_TRACEPOINT:
{
if (event->loglevel != -1) {
- ret = mi_lttng_event_tracepoint_loglevel(writer, event);
+ ret = mi_lttng_event_tracepoint_loglevel(writer, event, domain);
} else {
ret = mi_lttng_event_tracepoint_no_loglevel(writer, event);
}
break;
}
+ case LTTNG_EVENT_FUNCTION:
+ /* Fallthrough */
case LTTNG_EVENT_PROBE:
ret = mi_lttng_event_function_probe(writer, event);
break;
case LTTNG_EVENT_FUNCTION_ENTRY:
ret = mi_lttng_event_function_entry(writer, event);
break;
+ case LTTNG_EVENT_ALL:
+ /* Fallthrough */
default:
break;
}
return ret;
}
+LTTNG_HIDDEN
+int mi_lttng_trackers_open(struct mi_writer *writer)
+{
+ return mi_lttng_writer_open_element(writer, config_element_trackers);
+}
+
+LTTNG_HIDDEN
+int mi_lttng_pid_tracker_open(struct mi_writer *writer)
+{
+ int ret;
+
+ /* Open element pid_tracker */
+ ret = mi_lttng_writer_open_element(writer, config_element_pid_tracker);
+ if (ret) {
+ goto end;
+ }
+
+ /* Open targets element */
+ ret = mi_lttng_targets_open(writer);
+end:
+ return ret;
+}
+
LTTNG_HIDDEN
int mi_lttng_pids_open(struct mi_writer *writer)
{
- return mi_lttng_writer_open_element(writer, mi_lttng_element_pids);
+ return mi_lttng_writer_open_element(writer, config_element_pids);
}
+/*
+ * TODO: move the listing of pid for user agent to process semantic on
+ * mi api bump. The use of process element break the mi api.
+ */
LTTNG_HIDDEN
-int mi_lttng_pid(struct mi_writer *writer, pid_t pid , const char *cmdline,
+int mi_lttng_pid(struct mi_writer *writer, pid_t pid , const char *name,
int is_open)
{
int ret;
- /* Open element pid */
- ret = mi_lttng_writer_open_element(writer, mi_lttng_element_pid);
+ /* Open pid process */
+ ret = mi_lttng_writer_open_element(writer, config_element_pid);
if (ret) {
goto end;
}
}
/* Writing name of the process */
- ret = mi_lttng_writer_write_element_string(writer, config_element_name,
- cmdline);
+ if (name) {
+ ret = mi_lttng_writer_write_element_string(writer, config_element_name,
+ name);
+ if (ret) {
+ goto end;
+ }
+ }
+
+ if (!is_open) {
+ /* Closing Pid */
+ ret = mi_lttng_writer_close_element(writer);
+ }
+
+end:
+ return ret;
+}
+
+LTTNG_HIDDEN
+int mi_lttng_targets_open(struct mi_writer *writer)
+{
+ return mi_lttng_writer_open_element(writer,
+ config_element_targets);
+}
+
+LTTNG_HIDDEN
+int mi_lttng_pid_target(struct mi_writer *writer, pid_t pid, int is_open)
+{
+ int ret;
+
+ ret = mi_lttng_writer_open_element(writer,
+ config_element_target_pid);
+ if (ret) {
+ goto end;
+ }
+
+ /* Writing pid number
+ * Special case for element all on track untrack command
+ * All pid is represented as wildcard *
+ */
+ if ((int) pid == -1) {
+ ret = mi_lttng_writer_write_element_string(writer,
+ config_element_pid,
+ mi_lttng_element_track_untrack_all_wildcard);
+ } else {
+ ret = mi_lttng_writer_write_element_signed_int(writer,
+ config_element_pid, (int) pid);
+ }
if (ret) {
goto end;
}
if (!is_open) {
- /* Closing Pid */
ret = mi_lttng_writer_close_element(writer);
+ if (ret) {
+ goto end;
+ }
}
end:
int ret;
if (!field->field_name[0]) {
- /* To Review: not sure if legal david ?
- * how should this be handle ?
- */
ret = 0;
goto end;
}
end:
return ret;
}
+
+LTTNG_HIDDEN
+int mi_lttng_perf_counter_context(struct mi_writer *writer,
+ struct lttng_event_perf_counter_ctx *perf_context)
+{
+ int ret;
+
+ /* Open perf_counter_context */
+ ret = mi_lttng_writer_open_element(writer,
+ mi_lttng_element_perf_counter_context);
+ if (ret) {
+ goto end;
+ }
+
+ /* Type */
+ ret = mi_lttng_writer_write_element_unsigned_int(writer,
+ config_element_type, perf_context->type);
+ if (ret) {
+ goto end;
+ }
+
+ /* Config */
+ ret = mi_lttng_writer_write_element_unsigned_int(writer,
+ config_element_config, perf_context->config);
+ if (ret) {
+ goto end;
+ }
+
+ /* Name of the perf counter */
+ ret = mi_lttng_writer_write_element_string(writer,
+ config_element_name, perf_context->name);
+ if (ret) {
+ goto end;
+ }
+
+ /* Close perf_counter_context */
+ ret = mi_lttng_writer_close_element(writer);
+end:
+ return ret;
+}
+
+static
+int mi_lttng_app_context(struct mi_writer *writer,
+ const char *provider_name, const char *ctx_name)
+{
+ int ret;
+
+ /* Open app */
+ ret = mi_lttng_writer_open_element(writer,
+ config_element_context_app);
+ if (ret) {
+ goto end;
+ }
+
+ /* provider_name */
+ ret = mi_lttng_writer_write_element_string(writer,
+ config_element_context_app_provider_name,
+ provider_name);
+ if (ret) {
+ goto end;
+ }
+
+ /* ctx_name */
+ ret = mi_lttng_writer_write_element_string(writer,
+ config_element_context_app_ctx_name, ctx_name);
+ if (ret) {
+ goto end;
+ }
+
+ /* Close app */
+ ret = mi_lttng_writer_close_element(writer);
+end:
+ return ret;
+}
+
+LTTNG_HIDDEN
+int mi_lttng_context(struct mi_writer *writer,
+ struct lttng_event_context *context, int is_open)
+{
+ int ret;
+
+ /* Open context */
+ ret = mi_lttng_writer_open_element(writer , config_element_context);
+ if (ret) {
+ goto end;
+ }
+
+ /* Special case for PERF_*_COUNTER
+ * print the lttng_event_perf_counter_ctx*/
+ switch (context->ctx) {
+ case LTTNG_EVENT_CONTEXT_PERF_COUNTER:
+ case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER:
+ case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER:
+ {
+ struct lttng_event_perf_counter_ctx *perf_context =
+ &context->u.perf_counter;
+ ret = mi_lttng_perf_counter_context(writer, perf_context);
+ if (ret) {
+ goto end;
+ }
+ break;
+ }
+ case LTTNG_EVENT_CONTEXT_APP_CONTEXT:
+ {
+ ret = mi_lttng_app_context(writer,
+ context->u.app_ctx.provider_name,
+ context->u.app_ctx.ctx_name);
+ if (ret) {
+ goto end;
+ }
+ break;
+ }
+ default:
+ {
+ const char *type_string = mi_lttng_event_contexttype_string(
+ context->ctx);
+ if (!type_string) {
+ ret = -LTTNG_ERR_INVALID;
+ goto end;
+ }
+
+ /* Print context type */
+ ret = mi_lttng_writer_write_element_string(writer,
+ config_element_type, type_string);
+ break;
+ }
+ }
+
+ /* Close context */
+ if (!is_open) {
+ ret = mi_lttng_writer_close_element(writer);
+ }
+
+end:
+ return ret;
+}
+
+LTTNG_HIDDEN
+int mi_lttng_snapshot_output_session_name(struct mi_writer *writer,
+ const char *session_name)
+{
+ int ret;
+
+ /* Open session element */
+ ret = mi_lttng_writer_open_element(writer, config_element_session);
+ if (ret) {
+ goto end;
+ }
+
+ /* Snapshot output list for current session name */
+ ret = mi_lttng_writer_write_element_string(writer, config_element_name,
+ session_name);
+ if (ret) {
+ goto end;
+ }
+
+ /* Open element snapshots (sequence one snapshot) */
+ ret = mi_lttng_writer_open_element(writer, mi_lttng_element_snapshots);
+ if (ret) {
+ goto end;
+ }
+
+end:
+ return ret;
+}
+
+LTTNG_HIDDEN
+int mi_lttng_snapshot_list_output(struct mi_writer *writer,
+ struct lttng_snapshot_output *output)
+{
+ int ret;
+
+ /* Open element snapshot output */
+ ret = mi_lttng_writer_open_element(writer,
+ mi_lttng_element_command_snapshot);
+ if (ret) {
+ goto end;
+ }
+
+ /* ID of the snapshot output */
+ ret = mi_lttng_writer_write_element_unsigned_int(writer,
+ mi_lttng_element_id, output->id);
+ if (ret) {
+ goto end;
+ }
+
+ /* Name of the output */
+ ret = mi_lttng_writer_write_element_string(writer, config_element_name,
+ output->name);
+ if (ret) {
+ goto end;
+ }
+
+ /* Destination of the output (ctrl_url)*/
+ ret = mi_lttng_writer_write_element_string(writer,
+ mi_lttng_element_snapshot_ctrl_url, output->ctrl_url);
+ if (ret) {
+ goto end;
+ }
+
+ /* Destination of the output (data_url) */
+ ret = mi_lttng_writer_write_element_string(writer,
+ mi_lttng_element_snapshot_data_url, output->data_url);
+ if (ret) {
+ goto end;
+ }
+
+ /* total size of all stream combined */
+ ret = mi_lttng_writer_write_element_unsigned_int(writer,
+ mi_lttng_element_snapshot_max_size, output->max_size);
+ if (ret) {
+ goto end;
+ }
+
+ /* Close snapshot output element */
+ ret = mi_lttng_writer_close_element(writer);
+
+end:
+ return ret;
+}
+
+LTTNG_HIDDEN
+int mi_lttng_snapshot_del_output(struct mi_writer *writer, int id,
+ const char *name, const char *current_session_name)
+{
+ int ret;
+
+ /* Open element del_snapshot */
+ ret = mi_lttng_writer_open_element(writer,
+ mi_lttng_element_command_snapshot);
+ if (ret) {
+ goto end;
+ }
+
+
+ if (id != UINT32_MAX) {
+ /* "Snapshot output "id" successfully deleted
+ * for "current_session_name"
+ * ID of the snapshot output
+ */
+ ret = mi_lttng_writer_write_element_unsigned_int(writer,
+ mi_lttng_element_id, id);
+ if (ret) {
+ goto end;
+ }
+ } else {
+ /* "Snapshot output "name" successfully deleted
+ * for session "current_session_name"
+ * Name of the output
+ */
+ ret = mi_lttng_writer_write_element_string(writer, config_element_name,
+ name);
+ if (ret) {
+ goto end;
+ }
+ }
+
+ /* Snapshot was deleted for session "current_session_name"*/
+ ret = mi_lttng_writer_write_element_string(writer,
+ mi_lttng_element_snapshot_session_name,
+ current_session_name);
+ if (ret) {
+ goto end;
+ }
+
+ /* Close snapshot element */
+ ret = mi_lttng_writer_close_element(writer);
+
+end:
+ return ret;
+}
+
+LTTNG_HIDDEN
+int mi_lttng_snapshot_add_output(struct mi_writer *writer,
+ const char *current_session_name, const char *n_ptr,
+ struct lttng_snapshot_output *output)
+{
+ int ret;
+
+ /* Open element snapshot */
+ ret = mi_lttng_writer_open_element(writer,
+ mi_lttng_element_command_snapshot);
+ if (ret) {
+ goto end;
+ }
+
+ /* Snapshot output id */
+ ret = mi_lttng_writer_write_element_unsigned_int(writer,
+ mi_lttng_element_id, output->id);
+ if (ret) {
+ goto end;
+ }
+
+ /* Snapshot output names */
+ ret = mi_lttng_writer_write_element_string(writer,
+ config_element_name, n_ptr);
+ if (ret) {
+ goto end;
+ }
+
+ /* Destination of the output (ctrl_url)*/
+ ret = mi_lttng_writer_write_element_string(writer,
+ mi_lttng_element_snapshot_ctrl_url, output->ctrl_url);
+ if (ret) {
+ goto end;
+ }
+
+ /* Snapshot added for session "current_session_name"*/
+ ret = mi_lttng_writer_write_element_string(writer,
+ mi_lttng_element_snapshot_session_name, current_session_name);
+ if (ret) {
+ goto end;
+ }
+
+ /* total size of all stream combined */
+ ret = mi_lttng_writer_write_element_unsigned_int(writer,
+ mi_lttng_element_snapshot_max_size, output->max_size);
+ if (ret) {
+ goto end;
+ }
+
+ /* Close snapshot element */
+ ret = mi_lttng_writer_close_element(writer);
+
+end:
+ return ret;
+}
+
+LTTNG_HIDDEN
+int mi_lttng_snapshot_record(struct mi_writer *writer,
+ const char *current_session_name, const char *url,
+ const char *cmdline_ctrl_url, const char *cmdline_data_url)
+{
+ int ret;
+
+ /* Open element snapshot */
+ ret = mi_lttng_writer_open_element(writer,
+ mi_lttng_element_command_snapshot);
+ if (ret) {
+ goto end;
+ }
+
+ /*
+ * If a valid an URL was given, serialize it,
+ * else take the command line data and ctrl urls*/
+ if (url) {
+ /* Destination of the output (ctrl_url)*/
+ ret = mi_lttng_writer_write_element_string(writer,
+ mi_lttng_element_snapshot_ctrl_url, url);
+ if (ret) {
+ goto end;
+ }
+ } else if (cmdline_ctrl_url) {
+ /* Destination of the output (ctrl_url)*/
+ ret = mi_lttng_writer_write_element_string(writer,
+ mi_lttng_element_snapshot_ctrl_url, cmdline_ctrl_url);
+ if (ret) {
+ goto end;
+ }
+
+ /* Destination of the output (data_url) */
+ ret = mi_lttng_writer_write_element_string(writer,
+ mi_lttng_element_snapshot_data_url, cmdline_data_url);
+ if (ret) {
+ goto end;
+ }
+ }
+
+ /* Close record_snapshot element */
+ ret = mi_lttng_writer_close_element(writer);
+
+end:
+ return ret;
+}