/*
* Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; only version 2
- * of the License.
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; only version 2 of the License.
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#define _GNU_SOURCE
#include <unistd.h>
#include <urcu/list.h>
-#include "lttngerr.h"
+#include <lttng-sessiond-comm.h>
+#include <lttngerr.h>
+
+#ifdef CONFIG_LTTNG_TOOLS_HAVE_UST
+#include <ust/lttng-ust-ctl.h>
+#include <ust/lttng-ust-abi.h>
+#else
+#include "lttng-ust-ctl.h"
+#include "lttng-ust-abi.h"
+#endif
+
#include "context.h"
+#include "hashtable.h"
+#include "kernel-ctl.h"
/*
* Add kernel context to an event of a specific channel.
DBG("Add kernel context to event %s", event_name);
- kevent = get_kernel_event_by_name(event_name, kchan);
+ kevent = trace_kernel_get_event_by_name(event_name, kchan);
if (kevent != NULL) {
ret = kernel_add_event_context(kevent, kctx);
if (ret < 0) {
/*
* Add kernel context to tracer.
*/
-int add_kernel_context(struct ltt_kernel_session *ksession,
- struct lttng_kernel_context *kctx, char *event_name,
+int context_kernel_add(struct ltt_kernel_session *ksession,
+ struct lttng_event_context *ctx, char *event_name,
char *channel_name)
{
int ret;
struct ltt_kernel_channel *kchan;
+ struct lttng_kernel_context kctx;
+
+ /* Setup kernel context structure */
+ kctx.ctx = ctx->ctx;
+ kctx.u.perf_counter.type = ctx->u.perf_counter.type;
+ kctx.u.perf_counter.config = ctx->u.perf_counter.config;
+ strncpy(kctx.u.perf_counter.name, ctx->u.perf_counter.name,
+ LTTNG_SYMBOL_NAME_LEN);
+ kctx.u.perf_counter.name[LTTNG_SYMBOL_NAME_LEN - 1] = '\0';
if (strlen(channel_name) == 0) {
- ret = add_kctx_all_channels(ksession, kctx, event_name);
+ ret = add_kctx_all_channels(ksession, &kctx, event_name);
if (ret != LTTCOMM_OK) {
goto error;
}
} else {
/* Get kernel channel */
- kchan = get_kernel_channel_by_name(channel_name, ksession);
+ kchan = trace_kernel_get_channel_by_name(channel_name, ksession);
if (kchan == NULL) {
ret = LTTCOMM_KERN_CHAN_NOT_FOUND;
goto error;
}
- ret = add_kctx_to_channel(kctx, kchan, event_name);
+ ret = add_kctx_to_channel(&kctx, kchan, event_name);
+ if (ret != LTTCOMM_OK) {
+ goto error;
+ }
+ }
+
+ ret = LTTCOMM_OK;
+
+error:
+ return ret;
+}
+
+/*
+ * UST support.
+ */
+
+/*
+ * Add UST context to an event of a specific channel.
+ */
+#ifdef DISABLE
+static int add_ustctx_to_event(struct ltt_ust_session *ustsession,
+ struct lttng_ust_context *ustctx,
+ struct ltt_ust_channel *ustchan, char *event_name)
+{
+ int ret, found = 0;
+ struct ltt_ust_event *ustevent;
+ struct object_data *context_data; /* FIXME: currently a memleak */
+
+ DBG("Add UST context to event %s", event_name);
+
+ ustevent = trace_ust_find_event_by_name(ustchan->events, event_name);
+ if (ustevent != NULL) {
+ ret = ustctl_add_context(ustsession->sock, ustctx,
+ ustevent->obj, &context_data);
+ if (ret < 0) {
+ goto error;
+ }
+ found = 1;
+ }
+
+ ret = found;
+
+error:
+ return ret;
+}
+#endif
+
+/*
+ * Add UST context to all channel.
+ *
+ * If event_name is specified, add context to event instead.
+ */
+static int add_ustctx_all_channels(struct ltt_ust_session *ustsession,
+ struct lttng_ust_context *ustctx, char *event_name,
+ struct cds_lfht *channels)
+{
+#ifdef DISABLE
+ int ret, no_event = 0, found = 0;
+ struct ltt_ust_channel *ustchan;
+ struct object_data *context_data; /* FIXME: currently a memleak */
+
+ if (strlen(event_name) == 0) {
+ no_event = 1;
+ }
+
+ DBG("Adding ust context to all channels (event: %s)", event_name);
+
+ struct cds_lfht_node *node;
+ struct cds_lfht_iter iter;
+
+ rcu_read_lock();
+ hashtable_get_first(channels, &iter);
+ while ((node = hashtable_iter_get_node(&iter)) != NULL) {
+ ustchan = caa_container_of(node, struct ltt_ust_channel, node);
+ if (no_event) {
+ //ret = ustctl_add_context(ustsession->sock,
+ // ustctx, ustchan->obj, &context_data);
+ if (ret < 0) {
+ ret = LTTCOMM_UST_CONTEXT_FAIL;
+ goto error;
+ }
+ } else {
+ ret = add_ustctx_to_event(ustsession, ustctx, ustchan, event_name);
+ if (ret < 0) {
+ ret = LTTCOMM_UST_CONTEXT_FAIL;
+ goto error;
+ } else if (ret == 1) {
+ /* Event found and context added */
+ found = 1;
+ break;
+ }
+ }
+ hashtable_get_next(channels, &iter);
+ }
+ rcu_read_unlock();
+
+ if (!found && !no_event) {
+ ret = LTTCOMM_NO_EVENT;
+ goto error;
+ }
+
+ ret = LTTCOMM_OK;
+
+error:
+ return ret;
+#endif
+ return 0;
+}
+
+/*
+ * Add UST context to a specific channel.
+ *
+ * If event_name is specified, add context to that event.
+ */
+static int add_ustctx_to_channel(struct ltt_ust_session *ustsession,
+ struct lttng_ust_context *ustctx,
+ struct ltt_ust_channel *ustchan, char *event_name)
+{
+#ifdef DISABLE
+ int ret, no_event = 0, found = 0;
+ struct object_data *context_data; /* FIXME: currently a memleak */
+
+ if (strlen(event_name) == 0) {
+ no_event = 1;
+ }
+
+ DBG("Add UST context to channel '%s', event '%s'",
+ ustchan->name, event_name);
+
+ if (no_event) {
+ //ret = ustctl_add_context(ustsession->sock, ustctx,
+ // ustchan->obj, &context_data);
+ if (ret < 0) {
+ ret = LTTCOMM_UST_CONTEXT_FAIL;
+ goto error;
+ }
+ } else {
+ ret = add_ustctx_to_event(ustsession, ustctx, ustchan, event_name);
+ if (ret < 0) {
+ ret = LTTCOMM_UST_CONTEXT_FAIL;
+ goto error;
+ } else if (ret == 1) {
+ /* Event found and context added */
+ found = 1;
+ }
+ }
+
+ if (!found && !no_event) {
+ ret = LTTCOMM_NO_EVENT;
+ goto error;
+ }
+
+ ret = LTTCOMM_OK;
+
+error:
+ return ret;
+#endif
+ return 0;
+}
+
+/*
+ * Add UST context to tracer.
+ */
+int context_ust_add(struct ltt_ust_session *ustsession,
+ struct lttng_event_context *ctx, char *event_name,
+ char *channel_name, int domain)
+{
+ int ret;
+ struct cds_lfht *chan_ht = NULL;
+ struct ltt_ust_channel *ustchan;
+ struct lttng_ust_context ustctx;
+
+ /* Setup UST context structure */
+ ustctx.ctx = ctx->ctx;
+
+ switch (domain) {
+ case LTTNG_DOMAIN_UST:
+ chan_ht = ustsession->domain_global.channels;
+ break;
+ }
+
+ if (strlen(channel_name) == 0) {
+ ret = add_ustctx_all_channels(ustsession, &ustctx, event_name, chan_ht);
+ if (ret != LTTCOMM_OK) {
+ goto error;
+ }
+ } else {
+ /* Get UST channel */
+ ustchan = trace_ust_find_channel_by_name(chan_ht, channel_name);
+ if (ustchan == NULL) {
+ ret = LTTCOMM_UST_CHAN_NOT_FOUND;
+ goto error;
+ }
+
+ ret = add_ustctx_to_channel(ustsession, &ustctx, ustchan, event_name);
if (ret != LTTCOMM_OK) {
goto error;
}