#include <stdio.h>
#include <string.h>
#include <unistd.h>
+#include <inttypes.h>
#include <common/common.h>
#include <common/kernel-ctl/kernel-ctl.h>
#include <common/sessiond-comm/sessiond-comm.h>
+#include "consumer.h"
#include "kernel.h"
#include "kern-modules.h"
return ret;
}
-/*
- * Add context on a kernel event.
- */
-int kernel_add_event_context(struct ltt_kernel_event *event,
- struct lttng_kernel_context *ctx)
-{
- int ret;
-
- DBG("Adding context to event %s", event->event->name);
- ret = kernctl_add_context(event->fd, ctx);
- if (ret < 0) {
- PERROR("add context ioctl");
- goto error;
- }
-
- event->ctx = zmalloc(sizeof(struct lttng_kernel_context));
- if (event->ctx == NULL) {
- PERROR("zmalloc event context");
- goto error;
- }
-
- memcpy(event->ctx, ctx, sizeof(struct lttng_kernel_context));
-
- return 0;
-
-error:
- return ret;
-}
-
/*
* Create a new kernel session, register it to the kernel tracer and add it to
* the session daemon session.
PERROR("fcntl session fd");
}
+ lks->id = session->id;
lks->consumer_fds_sent = 0;
session->kernel_session = lks;
goto error;
}
+ DBG3("Kernel create channel %s in %s with attr: %d, %" PRIu64 ", %" PRIu64 ", %u, %u, %d",
+ chan->name, path, 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.output);
+
/* Kernel tracer channel creation */
ret = kernctl_create_channel(session->fd, &lkc->channel->attr);
if (ret < 0) {
if (ret < 0) {
switch (errno) {
case EEXIST:
- ret = LTTCOMM_KERN_EVENT_EXIST;
+ ret = LTTNG_ERR_KERN_EVENT_EXIST;
break;
default:
PERROR("enable kernel event");
if (ret < 0) {
switch (errno) {
case EEXIST:
- ret = LTTCOMM_KERN_EVENT_EXIST;
+ ret = LTTNG_ERR_KERN_EVENT_EXIST;
break;
default:
PERROR("disable kernel event");
* Create kernel metadata, open from the kernel tracer and add it to the
* kernel session.
*/
-int kernel_open_metadata(struct ltt_kernel_session *session, char *path)
+int kernel_open_metadata(struct ltt_kernel_session *session)
{
int ret;
struct ltt_kernel_metadata *lkm;
/* Allocate kernel metadata */
- lkm = trace_kernel_create_metadata(path);
+ lkm = trace_kernel_create_metadata();
if (lkm == NULL) {
goto error;
}
end_boot_id:
return 0;
}
+
+/*
+ * Complete teardown of a kernel session.
+ */
+void kernel_destroy_session(struct ltt_kernel_session *ksess)
+{
+ if (ksess == NULL) {
+ DBG3("No kernel session when tearing down session");
+ return;
+ }
+
+ DBG("Tearing down kernel session");
+
+ /* Close any relayd session */
+ consumer_output_send_destroy_relayd(ksess->consumer);
+
+ trace_kernel_destroy_session(ksess);
+}