/*
* 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.
*/
-#define _GNU_SOURCE
#define _LGPL_SOURCE
-#include <include/config.h>
-#include <common/config/config.h>
+#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_action = "snapshot_action";
const char * const mi_lttng_element_command_add_context = "add-context";
-const char * const mi_lttng_element_command_calibrate = "calibrate";
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_enable_event = "enable-event";
const char * const mi_lttng_element_command_list = "list";
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_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";
/* Strings related to version command */
const char * const mi_lttng_element_version = "version";
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_context */
-const char * const mi_lttng_context_type_perf_counter = "PERF_COUNTER";
-const char * const mi_lttng_context_type_perf_cpu_counter = "PERF_CPU_COUNTER";
-const char * const mi_lttng_context_type_perf_thread_counter = "PERF_THREAD_COUNTER";
-
/* String related to lttng_event_perf_counter_ctx */
-const char * const mi_lttng_element_perf_counter_context = "perf_counter_context";
+const char * const mi_lttng_element_perf_counter_context = "perf";
/* Strings related to pid */
const char * const mi_lttng_element_pid_id = "id";
/* Strings related to load command */
const char * const mi_lttng_element_load = "load";
+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_empty = "";
const char * const mi_lttng_loglevel_type_single = "SINGLE";
const char * const mi_lttng_loglevel_type_unknown = "UNKNOWN";
-/* String related to lttng_calibrate */
-const char * const mi_lttng_element_calibrate = "calibrate";
-const char * const mi_lttng_element_calibrate_function = "FUNCTION";
-
/* 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";
/* 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";
+
+/* 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
return mi_lttng_loglevel_str_unknown;
}
break;
+ default:
+ return mi_lttng_loglevel_str_unknown;
}
-
- /* Reaching this means the domain is unknown. */
- return mi_lttng_loglevel_str_unknown;
}
LTTNG_HIDDEN
}
}
-LTTNG_HIDDEN
+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_PERF_COUNTER:
- return mi_lttng_context_type_perf_counter;
- case LTTNG_EVENT_CONTEXT_PERF_THREAD_COUNTER:
- return mi_lttng_context_type_perf_thread_counter;
- case LTTNG_EVENT_CONTEXT_PERF_CPU_COUNTER:
- return mi_lttng_context_type_perf_cpu_counter;
case LTTNG_EVENT_CONTEXT_PROCNAME:
return config_event_context_procname;
case LTTNG_EVENT_CONTEXT_PRIO:
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;
}
default:
/* Should not have an unknown domain */
assert(0);
+ return NULL;
}
}
default:
/* Should not have an unknow buffer type */
assert(0);
+ return NULL;
}
}
-LTTNG_HIDDEN
-const char *mi_lttng_calibratetype_string(enum lttng_calibrate_type val)
-{
- const char *ret;
-
- switch (val) {
- case LTTNG_CALIBRATE_FUNCTION:
- ret = mi_lttng_element_calibrate_function;
- break;
- default:
- ret = mi_lttng_element_empty;
- break;
- }
- return ret;
-}
-
LTTNG_HIDDEN
struct mi_writer *mi_lttng_writer_create(int fd_output, int mi_output_type)
{
{
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:
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 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;
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
}
LTTNG_HIDDEN
-int mi_lttng_calibrate(struct mi_writer *writer,
- struct lttng_calibrate *calibrate)
+int mi_lttng_perf_counter_context(struct mi_writer *writer,
+ struct lttng_event_perf_counter_ctx *perf_context)
{
int ret;
- /* Open calibrate element */
- ret = mi_lttng_writer_open_element(writer, mi_lttng_element_calibrate);
+ /* Open perf_counter_context */
+ ret = mi_lttng_writer_open_element(writer,
+ mi_lttng_element_perf_counter_context);
if (ret) {
goto end;
}
- /* Calibration type */
- ret = mi_lttng_writer_write_element_string(writer, config_element_type,
- mi_lttng_calibratetype_string(calibrate->type));
+ /* 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;
}
- /* Closing calibrate element */
+ /* 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;
struct lttng_event_context *context, int is_open)
{
int ret;
- const char *type_string;
- struct lttng_event_perf_counter_ctx *perf_context;
+
/* Open context */
ret = mi_lttng_writer_open_element(writer , config_element_context);
if (ret) {
goto end;
}
- 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);
-
/* 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:
- perf_context = &context->u.perf_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) {
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;
-}
-
LTTNG_HIDDEN
int mi_lttng_snapshot_output_session_name(struct mi_writer *writer,
const char *session_name)
projects / lttng-tools.git / blobdiff