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Sessiond timer thread
[lttng-tools.git]
/
src
/
bin
/
lttng-sessiond
/
kernel.c
diff --git
a/src/bin/lttng-sessiond/kernel.c
b/src/bin/lttng-sessiond/kernel.c
index 535a5b8e8c4035918f0e2665ac0af8f0e7ad8eda..e5f068a0cd9515408a34b4621201e8b75f714a81 100644
(file)
--- a/
src/bin/lttng-sessiond/kernel.c
+++ b/
src/bin/lttng-sessiond/kernel.c
@@
-535,6
+535,7
@@
int kernel_open_metadata(struct ltt_kernel_session *session)
}
lkm->fd = ret;
}
lkm->fd = ret;
+ lkm->key = ++next_kernel_channel_key;
/* Prevent fd duplication after execlp() */
ret = fcntl(lkm->fd, F_SETFD, FD_CLOEXEC);
if (ret < 0) {
/* Prevent fd duplication after execlp() */
ret = fcntl(lkm->fd, F_SETFD, FD_CLOEXEC);
if (ret < 0) {
@@
-824,38
+825,38
@@
error:
/*
* Get kernel version and validate it.
*/
/*
* Get kernel version and validate it.
*/
-int kernel_validate_version(int tracer_fd)
+int kernel_validate_version(int tracer_fd,
+ struct lttng_kernel_tracer_version *version,
+ struct lttng_kernel_tracer_abi_version *abi_version)
{
int ret;
{
int ret;
- struct lttng_kernel_tracer_version version;
- struct lttng_kernel_tracer_abi_version abi_version;
- ret = kernctl_tracer_version(tracer_fd,
&
version);
+ ret = kernctl_tracer_version(tracer_fd, version);
if (ret < 0) {
ERR("Failed to retrieve the lttng-modules version");
goto error;
}
/* Validate version */
if (ret < 0) {
ERR("Failed to retrieve the lttng-modules version");
goto error;
}
/* Validate version */
- if (version
.
major != VERSION_MAJOR) {
+ if (version
->
major != VERSION_MAJOR) {
ERR("Kernel tracer major version (%d) is not compatible with lttng-tools major version (%d)",
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;
}
goto error_version;
}
- ret = kernctl_tracer_abi_version(tracer_fd,
&
abi_version);
+ ret = kernctl_tracer_abi_version(tracer_fd, abi_version);
if (ret < 0) {
ERR("Failed to retrieve lttng-modules ABI version");
goto error;
}
if (ret < 0) {
ERR("Failed to retrieve lttng-modules ABI version");
goto error;
}
- if (abi_version
.
major != LTTNG_MODULES_ABI_MAJOR_VERSION) {
+ if (abi_version
->
major != LTTNG_MODULES_ABI_MAJOR_VERSION) {
ERR("Kernel tracer ABI version (%d.%d) does not match the expected ABI major version (%d.*)",
ERR("Kernel tracer ABI version (%d.%d) does not match the expected ABI major version (%d.*)",
- abi_version
.major, abi_version.
minor,
+ abi_version
->major, abi_version->
minor,
LTTNG_MODULES_ABI_MAJOR_VERSION);
goto error;
}
DBG2("Kernel tracer version validated (%d.%d, ABI %d.%d)",
LTTNG_MODULES_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:
return 0;
error_version:
@@
-1039,7
+1040,7
@@
int kernel_snapshot_record(struct ltt_kernel_session *ksess,
/* For each channel, ask the consumer to snapshot it. */
cds_list_for_each_entry(chan, &ksess->channel_list.head, list) {
/* For each channel, ask the consumer to snapshot it. */
cds_list_for_each_entry(chan, &ksess->channel_list.head, list) {
- ret = consumer_snapshot_channel(socket, chan->
fd
, output, 0,
+ ret = consumer_snapshot_channel(socket, chan->
key
, output, 0,
ksess->uid, ksess->gid,
DEFAULT_KERNEL_TRACE_DIR, wait,
nb_packets_per_stream);
ksess->uid, ksess->gid,
DEFAULT_KERNEL_TRACE_DIR, wait,
nb_packets_per_stream);
@@
-1052,7
+1053,7
@@
int kernel_snapshot_record(struct ltt_kernel_session *ksess,
}
/* Snapshot metadata, */
}
/* Snapshot metadata, */
- ret = consumer_snapshot_channel(socket, ksess->metadata->
fd
, output,
+ ret = consumer_snapshot_channel(socket, ksess->metadata->
key
, output,
1, ksess->uid, ksess->gid,
DEFAULT_KERNEL_TRACE_DIR, wait, 0);
if (ret < 0) {
1, ksess->uid, ksess->gid,
DEFAULT_KERNEL_TRACE_DIR, wait, 0);
if (ret < 0) {
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