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LTTng ring buffer clients: expect void pointer as private data to create channel
[lttng-modules.git]
/
include
/
lttng
/
events.h
diff --git
a/include/lttng/events.h
b/include/lttng/events.h
index 3ba8525f3f2a7da566f50cc04bfa58ef25320c10..06bde3207bfa0bc693b4d5380b3e6b0e93d80cc6 100644
(file)
--- a/
include/lttng/events.h
+++ b/
include/lttng/events.h
@@
-255,7
+255,7
@@
struct lttng_bytecode_runtime {
const char *filter_stack_data);
int link_failed;
struct list_head node; /* list of bytecode runtime in event */
const char *filter_stack_data);
int link_failed;
struct list_head node; /* list of bytecode runtime in event */
- struct lttng_
event *event
;
+ struct lttng_
ctx *ctx
;
};
/*
};
/*
@@
-327,9
+327,9
@@
struct lttng_event {
int has_enablers_without_bytecode;
};
int has_enablers_without_bytecode;
};
-enum lttng_enabler_type {
- LTTNG_ENABLER_STAR_GLOB,
- LTTNG_ENABLER_NAME,
+enum lttng_enabler_
format_
type {
+ LTTNG_ENABLER_
FORMAT_
STAR_GLOB,
+ LTTNG_ENABLER_
FORMAT_
NAME,
};
/*
};
/*
@@
-339,21
+339,37
@@
enum lttng_enabler_type {
struct lttng_enabler {
enum lttng_event_type evtype; /* First field. */
struct lttng_enabler {
enum lttng_event_type evtype; /* First field. */
- enum lttng_enabler_
type
type;
+ enum lttng_enabler_
format_type format_
type;
- struct list_head node; /* per-session list of enablers */
/* head list of struct lttng_ust_filter_bytecode_node */
struct list_head filter_bytecode_head;
struct lttng_kernel_event event_param;
/* head list of struct lttng_ust_filter_bytecode_node */
struct list_head filter_bytecode_head;
struct lttng_kernel_event event_param;
+ unsigned int enabled:1;
+};
+
+struct lttng_event_enabler {
+ struct lttng_enabler base;
+ struct list_head node; /* per-session list of enablers */
struct lttng_channel *chan;
struct lttng_channel *chan;
+ /*
+ * Unused, but kept around to make it explicit that the tracer can do
+ * it.
+ */
struct lttng_ctx *ctx;
struct lttng_ctx *ctx;
- unsigned int enabled:1;
};
};
+static inline
+struct lttng_enabler *lttng_event_enabler_as_enabler(
+ struct lttng_event_enabler *event_enabler)
+{
+ return &event_enabler->base;
+}
+
+
struct lttng_channel_ops {
struct channel *(*channel_create)(const char *name,
struct lttng_channel_ops {
struct channel *(*channel_create)(const char *name,
-
struct lttng_channel *lttng_chan
,
+
void *priv
,
void *buf_addr,
size_t subbuf_size, size_t num_subbuf,
unsigned int switch_timer_interval,
void *buf_addr,
size_t subbuf_size, size_t num_subbuf,
unsigned int switch_timer_interval,
@@
-533,7
+549,7
@@
struct lttng_session {
struct lttng_id_tracker vgid_tracker;
unsigned int metadata_dumped:1,
tstate:1; /* Transient enable state */
struct lttng_id_tracker vgid_tracker;
unsigned int metadata_dumped:1,
tstate:1; /* Transient enable state */
- /* List of enablers */
+ /* List of e
vent e
nablers */
struct list_head enablers_head;
/* Hash table of events */
struct lttng_event_ht events_ht;
struct list_head enablers_head;
/* Hash table of events */
struct lttng_event_ht events_ht;
@@
-558,12
+574,13
@@
void lttng_unlock_sessions(void);
struct list_head *lttng_get_probe_list_head(void);
struct list_head *lttng_get_probe_list_head(void);
-struct lttng_enabler *lttng_enabler_create(enum lttng_enabler_type type,
+struct lttng_event_enabler *lttng_event_enabler_create(
+ enum lttng_enabler_format_type format_type,
struct lttng_kernel_event *event_param,
struct lttng_channel *chan);
struct lttng_kernel_event *event_param,
struct lttng_channel *chan);
-int lttng_e
nabler_enable(struct lttng_enabler *
enabler);
-int lttng_e
nabler_disable(struct lttng_enabler *
enabler);
+int lttng_e
vent_enabler_enable(struct lttng_event_enabler *event_
enabler);
+int lttng_e
vent_enabler_disable(struct lttng_event_enabler *event_
enabler);
int lttng_fix_pending_events(void);
int lttng_session_active(void);
int lttng_fix_pending_events(void);
int lttng_session_active(void);
@@
-620,8
+637,8
@@
void lttng_abi_compat_old_exit(void);
int lttng_probe_register(struct lttng_probe_desc *desc);
void lttng_probe_unregister(struct lttng_probe_desc *desc);
int lttng_probe_register(struct lttng_probe_desc *desc);
void lttng_probe_unregister(struct lttng_probe_desc *desc);
-const struct lttng_event_desc *lttng_event_get(const char *name);
-void lttng_event_put(const struct lttng_event_desc *desc);
+const struct lttng_event_desc *lttng_event_
desc_
get(const char *name);
+void lttng_event_
desc_
put(const struct lttng_event_desc *desc);
int lttng_probes_init(void);
void lttng_probes_exit(void);
int lttng_probes_init(void);
void lttng_probes_exit(void);
@@
-692,9
+709,12
@@
static inline long lttng_channel_syscall_mask(struct lttng_channel *channel,
#endif
void lttng_filter_sync_state(struct lttng_bytecode_runtime *runtime);
#endif
void lttng_filter_sync_state(struct lttng_bytecode_runtime *runtime);
-int lttng_e
nabler_attach_bytecode(struct lttng_enabler *
enabler,
+int lttng_e
vent_enabler_attach_bytecode(struct lttng_event_enabler *event_
enabler,
struct lttng_kernel_filter_bytecode __user *bytecode);
struct lttng_kernel_filter_bytecode __user *bytecode);
-void lttng_enabler_event_link_bytecode(struct lttng_event *event,
+
+void lttng_enabler_link_bytecode(const struct lttng_event_desc *event_desc,
+ struct lttng_ctx *ctx,
+ struct list_head *bytecode_runtime_head,
struct lttng_enabler *enabler);
int lttng_probes_init(void);
struct lttng_enabler *enabler);
int lttng_probes_init(void);
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