* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+/*
+ * This page_alloc.h wrapper needs to be included before gfpflags.h because it
+ * overrides a function with a define.
+ */
+#include "wrapper/page_alloc.h"
+
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/sched.h>
#include <linux/seq_file.h>
#include <linux/file.h>
#include <linux/anon_inodes.h>
-#include "wrapper/file.h"
+#include <wrapper/file.h>
#include <linux/jhash.h>
-
-#include "wrapper/uuid.h"
-#include "wrapper/vmalloc.h" /* for wrapper_vmalloc_sync_all() */
-#include "wrapper/random.h"
-#include "wrapper/tracepoint.h"
-#include "wrapper/list.h"
-#include "lttng-kernel-version.h"
-#include "lttng-events.h"
-#include "lttng-tracer.h"
-#include "lttng-abi-old.h"
+#include <linux/uaccess.h>
+#include <linux/vmalloc.h>
+
+#include <wrapper/uuid.h>
+#include <wrapper/vmalloc.h> /* for wrapper_vmalloc_sync_all() */
+#include <wrapper/random.h>
+#include <wrapper/tracepoint.h>
+#include <wrapper/list.h>
+#include <lttng-kernel-version.h>
+#include <lttng-events.h>
+#include <lttng-tracer.h>
+#include <lttng-abi-old.h>
+#include <lttng-endian.h>
+#include <wrapper/vzalloc.h>
#define METADATA_CACHE_DEFAULT_SIZE 4096
int _lttng_session_metadata_statedump(struct lttng_session *session);
static
void _lttng_metadata_channel_hangup(struct lttng_metadata_stream *stream);
+static
+int _lttng_field_statedump(struct lttng_session *session,
+ const struct lttng_event_field *field,
+ size_t nesting);
void synchronize_trace(void)
{
GFP_KERNEL);
if (!metadata_cache)
goto err_free_session;
- metadata_cache->data = kzalloc(METADATA_CACHE_DEFAULT_SIZE,
- GFP_KERNEL);
+ metadata_cache->data = lttng_vzalloc(METADATA_CACHE_DEFAULT_SIZE);
if (!metadata_cache->data)
goto err_free_cache;
metadata_cache->cache_alloc = METADATA_CACHE_DEFAULT_SIZE;
kref_init(&metadata_cache->refcount);
+ mutex_init(&metadata_cache->lock);
session->metadata_cache = metadata_cache;
INIT_LIST_HEAD(&metadata_cache->metadata_stream);
memcpy(&metadata_cache->uuid, &session->uuid,
{
struct lttng_metadata_cache *cache =
container_of(kref, struct lttng_metadata_cache, refcount);
- kfree(cache->data);
+ vfree(cache->data);
kfree(cache);
}
return ret;
}
+int lttng_session_metadata_regenerate(struct lttng_session *session)
+{
+ int ret = 0;
+ struct lttng_channel *chan;
+ struct lttng_event *event;
+ struct lttng_metadata_cache *cache = session->metadata_cache;
+ struct lttng_metadata_stream *stream;
+
+ mutex_lock(&sessions_mutex);
+ if (!session->active) {
+ ret = -EBUSY;
+ goto end;
+ }
+
+ mutex_lock(&cache->lock);
+ memset(cache->data, 0, cache->cache_alloc);
+ cache->metadata_written = 0;
+ cache->version++;
+ list_for_each_entry(stream, &session->metadata_cache->metadata_stream, list) {
+ stream->metadata_out = 0;
+ stream->metadata_in = 0;
+ }
+ mutex_unlock(&cache->lock);
+
+ session->metadata_dumped = 0;
+ list_for_each_entry(chan, &session->chan, list) {
+ chan->metadata_dumped = 0;
+ }
+
+ list_for_each_entry(event, &session->events, list) {
+ event->metadata_dumped = 0;
+ }
+
+ ret = _lttng_session_metadata_statedump(session);
+
+end:
+ mutex_unlock(&sessions_mutex);
+ return ret;
+}
+
+
+
int lttng_channel_enable(struct lttng_channel *channel)
{
int ret = 0;
ret = -EEXIST;
goto end;
}
- ACCESS_ONCE(event->enabled) = 1;
- lttng_session_sync_enablers(event->chan->session);
+ switch (event->instrumentation) {
+ case LTTNG_KERNEL_TRACEPOINT:
+ case LTTNG_KERNEL_SYSCALL:
+ ret = -EINVAL;
+ break;
+ case LTTNG_KERNEL_KPROBE:
+ case LTTNG_KERNEL_FUNCTION:
+ case LTTNG_KERNEL_NOOP:
+ ACCESS_ONCE(event->enabled) = 1;
+ break;
+ case LTTNG_KERNEL_KRETPROBE:
+ ret = lttng_kretprobes_event_enable_state(event, 1);
+ break;
+ default:
+ WARN_ON_ONCE(1);
+ ret = -EINVAL;
+ }
end:
mutex_unlock(&sessions_mutex);
return ret;
ret = -EEXIST;
goto end;
}
- ACCESS_ONCE(event->enabled) = 0;
- lttng_session_sync_enablers(event->chan->session);
+ switch (event->instrumentation) {
+ case LTTNG_KERNEL_TRACEPOINT:
+ case LTTNG_KERNEL_SYSCALL:
+ ret = -EINVAL;
+ break;
+ case LTTNG_KERNEL_KPROBE:
+ case LTTNG_KERNEL_FUNCTION:
+ case LTTNG_KERNEL_NOOP:
+ ACCESS_ONCE(event->enabled) = 0;
+ break;
+ case LTTNG_KERNEL_KRETPROBE:
+ ret = lttng_kretprobes_event_enable_state(event, 0);
+ break;
+ default:
+ WARN_ON_ONCE(1);
+ ret = -EINVAL;
+ }
end:
mutex_unlock(&sessions_mutex);
return ret;
smp_wmb();
break;
case LTTNG_KERNEL_KPROBE:
- event->enabled = 1;
+ /*
+ * Needs to be explicitly enabled after creation, since
+ * we may want to apply filters.
+ */
+ event->enabled = 0;
event->registered = 1;
/*
* Populate lttng_event structure before event
struct lttng_event *event_return;
/* kretprobe defines 2 events */
- event->enabled = 1;
+ /*
+ * Needs to be explicitly enabled after creation, since
+ * we may want to apply filters.
+ */
+ event->enabled = 0;
event->registered = 1;
event_return =
kmem_cache_zalloc(event_cache, GFP_KERNEL);
event_return->chan = chan;
event_return->filter = filter;
event_return->id = chan->free_event_id++;
- event_return->enabled = 1;
+ event_return->enabled = 0;
event_return->registered = 1;
event_return->instrumentation = itype;
/*
break;
}
case LTTNG_KERNEL_FUNCTION:
- event->enabled = 1;
+ /*
+ * Needs to be explicitly enabled after creation, since
+ * we may want to apply filters.
+ */
+ event->enabled = 0;
event->registered = 1;
/*
* Populate lttng_event structure before event
break;
case LTTNG_KERNEL_NOOP:
case LTTNG_KERNEL_SYSCALL:
- event->enabled = 1;
+ /*
+ * Needs to be explicitly enabled after creation, since
+ * we may want to apply filters.
+ */
+ event->enabled = 0;
event->registered = 0;
event->desc = event_desc;
if (!event->desc) {
}
hlist_add_head(&event->hlist, head);
list_add(&event->list, &chan->session->events);
- mutex_unlock(&sessions_mutex);
return event;
statedump_error:
ret = PTR_ERR(tracker_pids_list_file);
goto file_error;
}
+ if (atomic_long_add_unless(&session->file->f_count,
+ 1, INT_MAX) == INT_MAX) {
+ goto refcount_error;
+ }
ret = lttng_tracker_pids_list_fops.open(NULL, tracker_pids_list_file);
if (ret < 0)
goto open_error;
m = tracker_pids_list_file->private_data;
m->private = session;
fd_install(file_fd, tracker_pids_list_file);
- atomic_long_inc(&session->file->f_count);
return file_fd;
open_error:
+ atomic_long_dec(&session->file->f_count);
+refcount_error:
fput(tracker_pids_list_file);
file_error:
put_unused_fd(file_fd);
/*
* Serialize at most one packet worth of metadata into a metadata
* channel.
- * We have exclusive access to our metadata buffer (protected by the
- * sessions_mutex), so we can do racy operations such as looking for
- * remaining space left in packet and write, since mutual exclusion
- * protects us from concurrent writes.
+ * We grab the metadata cache mutex to get exclusive access to our metadata
+ * buffer and to the metadata cache. Exclusive access to the metadata buffer
+ * allows us to do racy operations such as looking for remaining space left in
+ * packet and write, since mutual exclusion protects us from concurrent writes.
+ * Mutual exclusion on the metadata cache allow us to read the cache content
+ * without racing against reallocation of the cache by updates.
* Returns the number of bytes written in the channel, 0 if no data
* was written and a negative value on error.
*/
size_t len, reserve_len;
/*
- * Ensure we support mutiple get_next / put sequences followed
- * by put_next. The metadata stream lock internally protects
- * reading the metadata cache. It can indeed be read
- * concurrently by "get_next_subbuf" and "flush" operations on
- * the buffer invoked by different processes.
+ * Ensure we support mutiple get_next / put sequences followed by
+ * put_next. The metadata cache lock protects reading the metadata
+ * cache. It can indeed be read concurrently by "get_next_subbuf" and
+ * "flush" operations on the buffer invoked by different processes.
+ * Moreover, since the metadata cache memory can be reallocated, we
+ * need to have exclusive access against updates even though we only
+ * read it.
*/
- mutex_lock(&stream->lock);
+ mutex_lock(&stream->metadata_cache->lock);
WARN_ON(stream->metadata_in < stream->metadata_out);
if (stream->metadata_in != stream->metadata_out)
goto end;
+ /* Metadata regenerated, change the version. */
+ if (stream->metadata_cache->version != stream->version)
+ stream->version = stream->metadata_cache->version;
+
len = stream->metadata_cache->metadata_written -
stream->metadata_in;
if (!len)
ret = reserve_len;
end:
- mutex_unlock(&stream->lock);
+ mutex_unlock(&stream->metadata_cache->lock);
return ret;
}
/*
* Write the metadata to the metadata cache.
* Must be called with sessions_mutex held.
+ * The metadata cache lock protects us from concurrent read access from
+ * thread outputting metadata content to ring buffer.
*/
int lttng_metadata_printf(struct lttng_session *session,
const char *fmt, ...)
return -ENOMEM;
len = strlen(str);
+ mutex_lock(&session->metadata_cache->lock);
if (session->metadata_cache->metadata_written + len >
session->metadata_cache->cache_alloc) {
char *tmp_cache_realloc;
tmp_cache_alloc_size = max_t(unsigned int,
session->metadata_cache->cache_alloc + len,
session->metadata_cache->cache_alloc << 1);
- tmp_cache_realloc = krealloc(session->metadata_cache->data,
- tmp_cache_alloc_size, GFP_KERNEL);
+ tmp_cache_realloc = lttng_vzalloc(tmp_cache_alloc_size);
if (!tmp_cache_realloc)
goto err;
+ if (session->metadata_cache->data) {
+ memcpy(tmp_cache_realloc,
+ session->metadata_cache->data,
+ session->metadata_cache->cache_alloc);
+ vfree(session->metadata_cache->data);
+ }
+
session->metadata_cache->cache_alloc = tmp_cache_alloc_size;
session->metadata_cache->data = tmp_cache_realloc;
}
session->metadata_cache->metadata_written,
str, len);
session->metadata_cache->metadata_written += len;
+ mutex_unlock(&session->metadata_cache->lock);
kfree(str);
list_for_each_entry(stream, &session->metadata_cache->metadata_stream, list)
return 0;
err:
+ mutex_unlock(&session->metadata_cache->lock);
kfree(str);
return -ENOMEM;
}
+static
+int print_tabs(struct lttng_session *session, size_t nesting)
+{
+ size_t i;
+
+ for (i = 0; i < nesting; i++) {
+ int ret;
+
+ ret = lttng_metadata_printf(session, " ");
+ if (ret) {
+ return ret;
+ }
+ }
+ return 0;
+}
+
+/*
+ * Must be called with sessions_mutex held.
+ */
+static
+int _lttng_struct_type_statedump(struct lttng_session *session,
+ const struct lttng_type *type,
+ size_t nesting)
+{
+ int ret;
+ uint32_t i, nr_fields;
+
+ ret = print_tabs(session, nesting);
+ if (ret)
+ return ret;
+ ret = lttng_metadata_printf(session,
+ "struct {\n");
+ if (ret)
+ return ret;
+ nr_fields = type->u._struct.nr_fields;
+ for (i = 0; i < nr_fields; i++) {
+ const struct lttng_event_field *iter_field;
+
+ iter_field = &type->u._struct.fields[i];
+ ret = _lttng_field_statedump(session, iter_field, nesting + 1);
+ if (ret)
+ return ret;
+ }
+ ret = print_tabs(session, nesting);
+ if (ret)
+ return ret;
+ ret = lttng_metadata_printf(session,
+ "}");
+ return ret;
+}
+
+/*
+ * Must be called with sessions_mutex held.
+ */
+static
+int _lttng_struct_statedump(struct lttng_session *session,
+ const struct lttng_event_field *field,
+ size_t nesting)
+{
+ int ret;
+
+ ret = _lttng_struct_type_statedump(session,
+ &field->type, nesting);
+ if (ret)
+ return ret;
+ ret = lttng_metadata_printf(session,
+ "_%s;\n",
+ field->name);
+ return ret;
+}
+
+/*
+ * Must be called with sessions_mutex held.
+ */
+static
+int _lttng_array_compound_statedump(struct lttng_session *session,
+ const struct lttng_event_field *field,
+ size_t nesting)
+{
+ int ret;
+ const struct lttng_type *elem_type;
+
+ /* Only array of structures are currently supported. */
+ elem_type = field->type.u.array_compound.elem_type;
+ switch (elem_type->atype) {
+ case atype_struct:
+ ret = _lttng_struct_type_statedump(session, elem_type, nesting);
+ if (ret)
+ return ret;
+ break;
+ default:
+ return -EINVAL;
+ }
+ ret = lttng_metadata_printf(session,
+ " _%s[%u];\n",
+ field->name,
+ field->type.u.array_compound.length);
+ return ret;
+}
+
+/*
+ * Must be called with sessions_mutex held.
+ */
+static
+int _lttng_sequence_compound_statedump(struct lttng_session *session,
+ const struct lttng_event_field *field,
+ size_t nesting)
+{
+ int ret;
+ const char *length_name;
+ const struct lttng_type *elem_type;
+
+ length_name = field->type.u.sequence_compound.length_name;
+
+ /* Only array of structures are currently supported. */
+ elem_type = field->type.u.sequence_compound.elem_type;
+ switch (elem_type->atype) {
+ case atype_struct:
+ ret = _lttng_struct_type_statedump(session, elem_type, nesting);
+ if (ret)
+ return ret;
+ break;
+ default:
+ return -EINVAL;
+ }
+ ret = lttng_metadata_printf(session,
+ " _%s[ _%s ];\n",
+ field->name,
+ length_name);
+ return ret;
+}
+
/*
* Must be called with sessions_mutex held.
*/
static
int _lttng_field_statedump(struct lttng_session *session,
- const struct lttng_event_field *field)
+ const struct lttng_event_field *field,
+ size_t nesting)
{
int ret = 0;
switch (field->type.atype) {
case atype_integer:
+ ret = print_tabs(session, nesting);
+ if (ret)
+ return ret;
ret = lttng_metadata_printf(session,
- " integer { size = %u; align = %u; signed = %u; encoding = %s; base = %u;%s } _%s;\n",
+ "integer { size = %u; align = %u; signed = %u; encoding = %s; base = %u;%s } _%s;\n",
field->type.u.basic.integer.size,
field->type.u.basic.integer.alignment,
field->type.u.basic.integer.signedness,
? "UTF8"
: "ASCII",
field->type.u.basic.integer.base,
-#ifdef __BIG_ENDIAN
+#if __BYTE_ORDER == __BIG_ENDIAN
field->type.u.basic.integer.reverse_byte_order ? " byte_order = le;" : "",
#else
field->type.u.basic.integer.reverse_byte_order ? " byte_order = be;" : "",
field->name);
break;
case atype_enum:
+ ret = print_tabs(session, nesting);
+ if (ret)
+ return ret;
ret = lttng_metadata_printf(session,
- " %s _%s;\n",
+ "%s _%s;\n",
field->type.u.basic.enumeration.name,
field->name);
break;
const struct lttng_basic_type *elem_type;
elem_type = &field->type.u.array.elem_type;
+ if (field->type.u.array.elem_alignment) {
+ ret = print_tabs(session, nesting);
+ if (ret)
+ return ret;
+ ret = lttng_metadata_printf(session,
+ "struct { } align(%u) _%s_padding;\n",
+ field->type.u.array.elem_alignment * CHAR_BIT,
+ field->name);
+ if (ret)
+ return ret;
+ }
+ ret = print_tabs(session, nesting);
+ if (ret)
+ return ret;
ret = lttng_metadata_printf(session,
- " integer { size = %u; align = %u; signed = %u; encoding = %s; base = %u;%s } _%s[%u];\n",
+ "integer { size = %u; align = %u; signed = %u; encoding = %s; base = %u;%s } _%s[%u];\n",
elem_type->u.basic.integer.size,
elem_type->u.basic.integer.alignment,
elem_type->u.basic.integer.signedness,
? "UTF8"
: "ASCII",
elem_type->u.basic.integer.base,
-#ifdef __BIG_ENDIAN
+#if __BYTE_ORDER == __BIG_ENDIAN
elem_type->u.basic.integer.reverse_byte_order ? " byte_order = le;" : "",
#else
elem_type->u.basic.integer.reverse_byte_order ? " byte_order = be;" : "",
elem_type = &field->type.u.sequence.elem_type;
length_type = &field->type.u.sequence.length_type;
+ ret = print_tabs(session, nesting);
+ if (ret)
+ return ret;
ret = lttng_metadata_printf(session,
- " integer { size = %u; align = %u; signed = %u; encoding = %s; base = %u;%s } __%s_length;\n",
+ "integer { size = %u; align = %u; signed = %u; encoding = %s; base = %u;%s } __%s_length;\n",
length_type->u.basic.integer.size,
(unsigned int) length_type->u.basic.integer.alignment,
length_type->u.basic.integer.signedness,
? "UTF8"
: "ASCII"),
length_type->u.basic.integer.base,
-#ifdef __BIG_ENDIAN
+#if __BYTE_ORDER == __BIG_ENDIAN
length_type->u.basic.integer.reverse_byte_order ? " byte_order = le;" : "",
#else
length_type->u.basic.integer.reverse_byte_order ? " byte_order = be;" : "",
if (ret)
return ret;
+ if (field->type.u.sequence.elem_alignment) {
+ ret = print_tabs(session, nesting);
+ if (ret)
+ return ret;
+ ret = lttng_metadata_printf(session,
+ "struct { } align(%u) _%s_padding;\n",
+ field->type.u.sequence.elem_alignment * CHAR_BIT,
+ field->name);
+ if (ret)
+ return ret;
+ }
+ ret = print_tabs(session, nesting);
+ if (ret)
+ return ret;
ret = lttng_metadata_printf(session,
- " integer { size = %u; align = %u; signed = %u; encoding = %s; base = %u;%s } _%s[ __%s_length ];\n",
+ "integer { size = %u; align = %u; signed = %u; encoding = %s; base = %u;%s } _%s[ __%s_length ];\n",
elem_type->u.basic.integer.size,
(unsigned int) elem_type->u.basic.integer.alignment,
elem_type->u.basic.integer.signedness,
? "UTF8"
: "ASCII"),
elem_type->u.basic.integer.base,
-#ifdef __BIG_ENDIAN
+#if __BYTE_ORDER == __BIG_ENDIAN
elem_type->u.basic.integer.reverse_byte_order ? " byte_order = le;" : "",
#else
elem_type->u.basic.integer.reverse_byte_order ? " byte_order = be;" : "",
case atype_string:
/* Default encoding is UTF8 */
+ ret = print_tabs(session, nesting);
+ if (ret)
+ return ret;
ret = lttng_metadata_printf(session,
- " string%s _%s;\n",
+ "string%s _%s;\n",
field->type.u.basic.string.encoding == lttng_encode_ASCII ?
" { encoding = ASCII; }" : "",
field->name);
break;
+ case atype_struct:
+ ret = _lttng_struct_statedump(session, field, nesting);
+ break;
+ case atype_array_compound:
+ ret = _lttng_array_compound_statedump(session, field, nesting);
+ break;
+ case atype_sequence_compound:
+ ret = _lttng_sequence_compound_statedump(session, field, nesting);
+ break;
+
default:
WARN_ON_ONCE(1);
return -EINVAL;
for (i = 0; i < ctx->nr_fields; i++) {
const struct lttng_ctx_field *field = &ctx->fields[i];
- ret = _lttng_field_statedump(session, &field->event_field);
+ ret = _lttng_field_statedump(session, &field->event_field, 2);
if (ret)
return ret;
}
for (i = 0; i < desc->nr_fields; i++) {
const struct lttng_event_field *field = &desc->fields[i];
- ret = _lttng_field_statedump(session, field);
+ ret = _lttng_field_statedump(session, field, 2);
if (ret)
return ret;
}
" uint64_clock_monotonic_t timestamp_end;\n"
" uint64_t content_size;\n"
" uint64_t packet_size;\n"
+ " uint64_t packet_seq_num;\n"
" unsigned long events_discarded;\n"
" uint32_t cpu_id;\n"
"};\n\n"
* taken at start of trace.
* Yes, this is only an approximation. Yes, we can (and will) do better
* in future versions.
+ * This function may return a negative offset. It may happen if the
+ * system sets the REALTIME clock to 0 after boot.
*/
static
-uint64_t measure_clock_offset(void)
+int64_t measure_clock_offset(void)
{
- uint64_t offset, monotonic[2], realtime;
+ uint64_t monotonic_avg, monotonic[2], realtime;
+ uint64_t tcf = trace_clock_freq();
+ int64_t offset;
struct timespec rts = { 0, 0 };
unsigned long flags;
monotonic[1] = trace_clock_read64();
local_irq_restore(flags);
- offset = (monotonic[0] + monotonic[1]) >> 1;
- realtime = (uint64_t) rts.tv_sec * NSEC_PER_SEC;
- realtime += rts.tv_nsec;
- offset = realtime - offset;
+ monotonic_avg = (monotonic[0] + monotonic[1]) >> 1;
+ realtime = (uint64_t) rts.tv_sec * tcf;
+ if (tcf == NSEC_PER_SEC) {
+ realtime += rts.tv_nsec;
+ } else {
+ uint64_t n = rts.tv_nsec * tcf;
+
+ do_div(n, NSEC_PER_SEC);
+ realtime += n;
+ }
+ offset = (int64_t) realtime - monotonic_avg;
return offset;
}
" uint32_t magic;\n"
" uint8_t uuid[16];\n"
" uint32_t stream_id;\n"
+ " uint64_t stream_instance_id;\n"
" };\n"
"};\n\n",
lttng_alignof(uint8_t) * CHAR_BIT,
CTF_SPEC_MAJOR,
CTF_SPEC_MINOR,
uuid_s,
-#ifdef __BIG_ENDIAN
+#if __BYTE_ORDER == __BIG_ENDIAN
"be"
#else
"le"
ret = lttng_metadata_printf(session,
"clock {\n"
- " name = %s;\n",
- "monotonic"
+ " name = \"%s\";\n",
+ trace_clock_name()
);
if (ret)
goto end;
}
ret = lttng_metadata_printf(session,
- " description = \"Monotonic Clock\";\n"
+ " description = \"%s\";\n"
" freq = %llu; /* Frequency, in Hz */\n"
" /* clock value offset from Epoch is: offset * (1/freq) */\n"
- " offset = %llu;\n"
+ " offset = %lld;\n"
"};\n\n",
+ trace_clock_description(),
(unsigned long long) trace_clock_freq(),
- (unsigned long long) measure_clock_offset()
+ (long long) measure_clock_offset()
);
if (ret)
goto end;
ret = lttng_metadata_printf(session,
"typealias integer {\n"
" size = 27; align = 1; signed = false;\n"
- " map = clock.monotonic.value;\n"
+ " map = clock.%s.value;\n"
"} := uint27_clock_monotonic_t;\n"
"\n"
"typealias integer {\n"
" size = 32; align = %u; signed = false;\n"
- " map = clock.monotonic.value;\n"
+ " map = clock.%s.value;\n"
"} := uint32_clock_monotonic_t;\n"
"\n"
"typealias integer {\n"
" size = 64; align = %u; signed = false;\n"
- " map = clock.monotonic.value;\n"
+ " map = clock.%s.value;\n"
"} := uint64_clock_monotonic_t;\n\n",
+ trace_clock_name(),
lttng_alignof(uint32_t) * CHAR_BIT,
- lttng_alignof(uint64_t) * CHAR_BIT
+ trace_clock_name(),
+ lttng_alignof(uint64_t) * CHAR_BIT,
+ trace_clock_name()
);
if (ret)
goto end;
ret = wrapper_lttng_fixup_sig(THIS_MODULE);
if (ret)
return ret;
-
+ ret = wrapper_get_pfnblock_flags_mask_init();
+ if (ret)
+ return ret;
+ ret = wrapper_get_pageblock_flags_mask_init();
+ if (ret)
+ return ret;
+ ret = lttng_probes_init();
+ if (ret)
+ return ret;
ret = lttng_context_init();
if (ret)
return ret;
projects / lttng-modules.git / blobdiff