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filter: add seqnum field to filter command
[lttng-ust.git]
/
liblttng-ust
/
ltt-events.c
diff --git
a/liblttng-ust/ltt-events.c
b/liblttng-ust/ltt-events.c
index 120dffff3070f59bd8aea367270d538ac8e9752c..ee82413db8f8707b30884287fc5723434227200a 100644
(file)
--- a/
liblttng-ust/ltt-events.c
+++ b/
liblttng-ust/ltt-events.c
@@
-235,6
+235,9
@@
int pending_probe_fix_events(const struct lttng_event_desc *desc)
{
struct wildcard_entry *wildcard;
{
struct wildcard_entry *wildcard;
+ //FIXME: should iterate on all match for filter.
+ //FIXME: should re-use pending event if present rather
+ //than create duplicate.
wildcard = match_wildcard(desc);
if (strcmp(desc->name, "lttng_ust:metadata") && wildcard) {
struct session_wildcard *sw;
wildcard = match_wildcard(desc);
if (strcmp(desc->name, "lttng_ust:metadata") && wildcard) {
struct session_wildcard *sw;
@@
-246,9
+249,10
@@
int pending_probe_fix_events(const struct lttng_event_desc *desc)
memcpy(&event_param, &sw->event_param,
sizeof(event_param));
memcpy(&event_param, &sw->event_param,
sizeof(event_param));
-
mem
cpy(event_param.name,
+
strn
cpy(event_param.name,
desc->name,
sizeof(event_param.name));
desc->name,
sizeof(event_param.name));
+ event_param.name[sizeof(event_param.name) - 1] = '\0';
/* create event */
ret = ltt_event_create(sw->chan,
&event_param, &ev);
/* create event */
ret = ltt_event_create(sw->chan,
&event_param, &ev);
@@
-258,8
+262,8
@@
int pending_probe_fix_events(const struct lttng_event_desc *desc)
}
cds_list_add(&ev->wildcard_list,
&sw->events);
}
cds_list_add(&ev->wildcard_list,
&sw->events);
- lttng_filter_event_link_bytecode(ev,
- sw
->filter_bytecode
);
+ lttng_filter_event_link_
wildcard_
bytecode(ev,
+ sw);
}
}
}
}
}
}
@@
-282,6
+286,8
@@
int pending_probe_fix_events(const struct lttng_event_desc *desc)
if (strncmp(name, e->name, LTTNG_UST_SYM_NAME_LEN - 1)) {
continue;
}
if (strncmp(name, e->name, LTTNG_UST_SYM_NAME_LEN - 1)) {
continue;
}
+ /* TODO: wildcard same as pending event: duplicate */
+ /* TODO: Should apply filter though */
event = e->event;
chan = event->chan;
assert(!event->desc);
event = e->event;
chan = event->chan;
assert(!event->desc);
@@
-296,8
+302,7
@@
int pending_probe_fix_events(const struct lttng_event_desc *desc)
event->id = chan->free_event_id++;
ret |= _ltt_event_metadata_statedump(chan->session, chan,
event);
event->id = chan->free_event_id++;
ret |= _ltt_event_metadata_statedump(chan->session, chan,
event);
- lttng_filter_event_link_bytecode(event,
- event->filter_bytecode);
+ lttng_filter_event_link_bytecode(event);
}
return ret;
}
}
return ret;
}
@@
-513,6
+518,8
@@
int ltt_event_create(struct ltt_channel *chan,
ret = -ENOMEM;
goto full;
}
ret = -ENOMEM;
goto full;
}
+ //FIXME: re-use event if already registered by wildcard or
+ //if we have a pending probe.... (CHECK)
/*
* This is O(n^2) (for each event, the loop is called at event
* creation). Might require a hash if we have lots of events.
/*
* This is O(n^2) (for each event, the loop is called at event
* creation). Might require a hash if we have lots of events.
@@
-556,6
+563,8
@@
int ltt_event_create(struct ltt_channel *chan,
*/
chan->used_event_id++;
event->enabled = 1;
*/
chan->used_event_id++;
event->enabled = 1;
+ CDS_INIT_LIST_HEAD(&event->filter_bytecode);
+ CDS_INIT_LIST_HEAD(&event->bytecode_runtime);
event->instrumentation = event_param->instrumentation;
/* Populate ltt_event structure before tracepoint registration. */
cmm_smp_wmb();
event->instrumentation = event_param->instrumentation;
/* Populate ltt_event structure before tracepoint registration. */
cmm_smp_wmb();
@@
-654,8
+663,8
@@
void _ltt_event_destroy(struct ltt_event *event)
}
cds_list_del(&event->list);
lttng_destroy_context(event->ctx);
}
cds_list_del(&event->list);
lttng_destroy_context(event->ctx);
-
free(event->filter_bytecode
);
-
free(event->filter_data
);
+
lttng_free_event_filter_runtime(event
);
+
lttng_free_event_filter_bytecode(event
);
free(event);
}
free(event);
}
@@
-726,6
+735,9
@@
int _ltt_field_statedump(struct ltt_session *session,
{
int ret = 0;
{
int ret = 0;
+ if (field->nowrite)
+ return 0;
+
switch (field->type.atype) {
case atype_integer:
ret = lttng_metadata_printf(session,
switch (field->type.atype) {
case atype_integer:
ret = lttng_metadata_printf(session,
@@
-927,6
+939,14
@@
int _ltt_event_metadata_statedump(struct ltt_session *session,
if (ret)
goto end;
if (ret)
goto end;
+ if (event->desc->u.ext.model_emf_uri) {
+ ret = lttng_metadata_printf(session,
+ " model.emf.uri = \"%s\";\n",
+ *(event->desc->u.ext.model_emf_uri));
+ if (ret)
+ goto end;
+ }
+
if (event->ctx) {
ret = lttng_metadata_printf(session,
" context := struct {\n");
if (event->ctx) {
ret = lttng_metadata_printf(session,
" context := struct {\n");
@@
-1023,9
+1043,9
@@
int _ltt_stream_packet_context_declare(struct ltt_session *session)
"struct packet_context {\n"
" uint64_clock_monotonic_t timestamp_begin;\n"
" uint64_clock_monotonic_t timestamp_end;\n"
"struct packet_context {\n"
" uint64_clock_monotonic_t timestamp_begin;\n"
" uint64_clock_monotonic_t timestamp_end;\n"
+ " uint64_t content_size;\n"
+ " uint64_t packet_size;\n"
" unsigned long events_discarded;\n"
" unsigned long events_discarded;\n"
- " uint32_t content_size;\n"
- " uint32_t packet_size;\n"
" uint32_t cpu_id;\n"
"};\n\n"
);
" uint32_t cpu_id;\n"
"};\n\n"
);
@@
-1112,6
+1132,7
@@
int _ltt_session_metadata_statedump(struct ltt_session *session)
struct ltt_event *event;
int ret = 0;
char procname[LTTNG_UST_PROCNAME_LEN] = "";
struct ltt_event *event;
int ret = 0;
char procname[LTTNG_UST_PROCNAME_LEN] = "";
+ char hostname[HOST_NAME_MAX];
if (!CMM_ACCESS_ONCE(session->active))
return 0;
if (!CMM_ACCESS_ONCE(session->active))
return 0;
@@
-1168,10
+1189,15
@@
int _ltt_session_metadata_statedump(struct ltt_session *session)
goto end;
/* ignore error, just use empty string if error. */
goto end;
/* ignore error, just use empty string if error. */
+ hostname[0] = '\0';
+ ret = gethostname(hostname, sizeof(hostname));
+ if (ret && errno == ENAMETOOLONG)
+ hostname[HOST_NAME_MAX - 1] = '\0';
lttng_ust_getprocname(procname);
procname[LTTNG_UST_PROCNAME_LEN - 1] = '\0';
ret = lttng_metadata_printf(session,
"env {\n"
lttng_ust_getprocname(procname);
procname[LTTNG_UST_PROCNAME_LEN - 1] = '\0';
ret = lttng_metadata_printf(session,
"env {\n"
+ " hostname = \"%s\";\n"
" vpid = %d;\n"
" procname = \"%s\";\n"
" domain = \"ust\";\n"
" vpid = %d;\n"
" procname = \"%s\";\n"
" domain = \"ust\";\n"
@@
-1180,6
+1206,7
@@
int _ltt_session_metadata_statedump(struct ltt_session *session)
" tracer_minor = %u;\n"
" tracer_patchlevel = %u;\n"
"};\n\n",
" tracer_minor = %u;\n"
" tracer_patchlevel = %u;\n"
"};\n\n",
+ hostname,
(int) getpid(),
procname,
LTTNG_UST_MAJOR_VERSION,
(int) getpid(),
procname,
LTTNG_UST_MAJOR_VERSION,
@@
-1338,6
+1365,9
@@
struct session_wildcard *add_wildcard(struct ltt_channel *chan,
size_t name_len = strlen(event_param->name) + 1;
int found = 0;
size_t name_len = strlen(event_param->name) + 1;
int found = 0;
+ //FIXME: ensure that wildcard re-use pending events, or
+ //re-use actual events, applying its filter on top.
+
/*
* Try to find global wildcard entry. Given that this is shared
* across all sessions, we need to check for exact loglevel
/*
* Try to find global wildcard entry. Given that this is shared
* across all sessions, we need to check for exact loglevel
@@
-1367,6
+1397,7
@@
struct session_wildcard *add_wildcard(struct ltt_channel *chan,
memcpy(&e->name[0], event_param->name, name_len);
e->loglevel_type = event_param->loglevel_type;
e->loglevel = event_param->loglevel;
memcpy(&e->name[0], event_param->name, name_len);
e->loglevel_type = event_param->loglevel_type;
e->loglevel = event_param->loglevel;
+ CDS_INIT_LIST_HEAD(&e->filter_bytecode);
cds_list_add(&e->list, &wildcard_list);
CDS_INIT_LIST_HEAD(&e->session_list);
}
cds_list_add(&e->list, &wildcard_list);
CDS_INIT_LIST_HEAD(&e->session_list);
}
@@
-1388,6
+1419,7
@@
struct session_wildcard *add_wildcard(struct ltt_channel *chan,
sw->event_param.instrumentation = LTTNG_UST_TRACEPOINT;
sw->event_param.loglevel_type = event_param->loglevel_type;
sw->event_param.loglevel = event_param->loglevel;
sw->event_param.instrumentation = LTTNG_UST_TRACEPOINT;
sw->event_param.loglevel_type = event_param->loglevel_type;
sw->event_param.loglevel = event_param->loglevel;
+ CDS_INIT_LIST_HEAD(&sw->filter_bytecode);
CDS_INIT_LIST_HEAD(&sw->events);
cds_list_add(&sw->list, &chan->session->wildcards);
cds_list_add(&sw->session_list, &e->session_list);
CDS_INIT_LIST_HEAD(&sw->events);
cds_list_add(&sw->list, &chan->session->wildcards);
cds_list_add(&sw->session_list, &e->session_list);
@@
-1420,7
+1452,7
@@
void _remove_wildcard(struct session_wildcard *wildcard)
cds_list_del(&wildcard->entry->list);
free(wildcard->entry);
}
cds_list_del(&wildcard->entry->list);
free(wildcard->entry);
}
-
free(wildcard->filter_bytecode
);
+
lttng_free_wildcard_filter_bytecode(wildcard
);
free(wildcard);
}
free(wildcard);
}
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