#include <linux/kprobes.h>
#include <linux/kref.h>
#include <lttng-cpuhotplug.h>
-#include <wrapper/uuid.h>
+#include <linux/uuid.h>
#include <wrapper/uprobes.h>
#include <lttng-tracer.h>
#include <lttng-abi.h>
#include <lttng-abi-old.h>
+#include <linux/irq_work.h>
#define lttng_is_signed_type(type) (((type)(-1)) < 0)
struct lttng_probe_ctx {
struct lttng_event *event;
+ struct lttng_trigger *trigger; // Not sure if we will ever need it.
uint8_t interruptible;
};
const struct lttng_event_field *fields; /* event payload */
unsigned int nr_fields;
struct module *owner;
+ void *trigger_callback;
};
struct lttng_probe_desc {
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;
};
/*
};
struct lttng_uprobe_handler {
- struct lttng_event *event;
+ union {
+ struct lttng_event *event;
+ struct lttng_trigger *trigger;
+ } u;
loff_t offset;
struct uprobe_consumer up_consumer;
struct list_head node;
};
+struct lttng_kprobe {
+ struct kprobe kp;
+ char *symbol_name;
+};
+
+struct lttng_uprobe {
+ struct inode *inode;
+ struct list_head head;
+};
+
+struct lttng_syscall {
+ struct list_head node; /* chain registered syscall trigger */
+ unsigned int syscall_id;
+ bool is_compat;
+};
+
/*
* lttng_event structure is referred to by the tracing fast path. It must be
* kept small.
struct lttng_ctx *ctx;
enum lttng_kernel_instrumentation instrumentation;
union {
- struct {
- struct kprobe kp;
- char *symbol_name;
- } kprobe;
+ struct lttng_kprobe kprobe;
struct {
struct lttng_krp *lttng_krp;
char *symbol_name;
struct {
char *symbol_name;
} ftrace;
- struct {
- struct inode *inode;
- struct list_head head;
- } uprobe;
+ struct lttng_uprobe uprobe;
} u;
struct list_head list; /* Event list in session */
unsigned int metadata_dumped:1;
int has_enablers_without_bytecode;
};
-enum lttng_enabler_type {
- LTTNG_ENABLER_STAR_GLOB,
- LTTNG_ENABLER_NAME,
+// FIXME: Really similar to lttng_event above. Could those be merged ?
+struct lttng_trigger {
+ enum lttng_event_type evtype; /* First field. */
+ uint64_t id;
+ int enabled;
+ int registered; /* has reg'd tracepoint probe */
+ const struct lttng_event_desc *desc;
+ void *filter;
+ struct list_head list; /* Trigger list in trigger group */
+
+ enum lttng_kernel_instrumentation instrumentation;
+ union {
+ struct lttng_kprobe kprobe;
+ struct lttng_uprobe uprobe;
+ struct lttng_syscall syscall;
+ } u;
+
+ /* Backward references: list of lttng_enabler_ref (ref to enablers) */
+ struct list_head enablers_ref_head;
+ struct hlist_node hlist; /* session ht of triggers */
+ /* list of struct lttng_bytecode_runtime, sorted by seqnum */
+ struct list_head bytecode_runtime_head;
+ int has_enablers_without_bytecode;
+
+ void (*send_notification)(struct lttng_trigger *trigger);
+ struct lttng_trigger_group *group; /* Weak ref */
+};
+
+enum lttng_enabler_format_type {
+ LTTNG_ENABLER_FORMAT_STAR_GLOB,
+ LTTNG_ENABLER_FORMAT_NAME,
};
/*
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;
+ 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;
+ /*
+ * Unused, but kept around to make it explicit that the tracer can do
+ * it.
+ */
struct lttng_ctx *ctx;
- unsigned int enabled:1;
};
+struct lttng_trigger_enabler {
+ struct lttng_enabler base;
+ uint64_t id;
+ struct list_head node; /* List of trigger enablers */
+ struct lttng_trigger_group *group;
+};
+
+static inline
+struct lttng_enabler *lttng_event_enabler_as_enabler(
+ struct lttng_event_enabler *event_enabler)
+{
+ return &event_enabler->base;
+}
+
+static inline
+struct lttng_enabler *lttng_trigger_enabler_as_enabler(
+ struct lttng_trigger_enabler *trigger_enabler)
+{
+ return &trigger_enabler->base;
+}
+
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,
struct hlist_head table[LTTNG_EVENT_HT_SIZE];
};
+#define LTTNG_TRIGGER_HT_BITS 12
+#define LTTNG_TRIGGER_HT_SIZE (1U << LTTNG_TRIGGER_HT_BITS)
+
+struct lttng_trigger_ht {
+ struct hlist_head table[LTTNG_TRIGGER_HT_SIZE];
+};
+
struct lttng_channel {
unsigned int id;
struct channel *chan; /* Channel buffers */
DECLARE_PER_CPU(struct lttng_dynamic_len_stack, lttng_dynamic_len_stack);
/*
- * struct lttng_pid_tracker declared in header due to deferencing of *v
+ * struct lttng_id_tracker declared in header due to deferencing of *v
* in RCU_INITIALIZER(v).
*/
-#define LTTNG_PID_HASH_BITS 6
-#define LTTNG_PID_TABLE_SIZE (1 << LTTNG_PID_HASH_BITS)
+#define LTTNG_ID_HASH_BITS 6
+#define LTTNG_ID_TABLE_SIZE (1 << LTTNG_ID_HASH_BITS)
+
+enum tracker_type {
+ TRACKER_PID,
+ TRACKER_VPID,
+ TRACKER_UID,
+ TRACKER_VUID,
+ TRACKER_GID,
+ TRACKER_VGID,
+
+ TRACKER_UNKNOWN,
+};
+
+struct lttng_id_tracker_rcu {
+ struct hlist_head id_hash[LTTNG_ID_TABLE_SIZE];
+};
-struct lttng_pid_tracker {
- struct hlist_head pid_hash[LTTNG_PID_TABLE_SIZE];
+struct lttng_id_tracker {
+ struct lttng_session *session;
+ enum tracker_type tracker_type;
+ struct lttng_id_tracker_rcu *p; /* RCU dereferenced. */
};
-struct lttng_pid_hash_node {
+struct lttng_id_hash_node {
struct hlist_node hlist;
- int pid;
+ int id;
};
struct lttng_session {
unsigned int free_chan_id; /* Next chan ID to allocate */
uuid_le uuid; /* Trace session unique ID */
struct lttng_metadata_cache *metadata_cache;
- struct lttng_pid_tracker *pid_tracker;
+ struct lttng_id_tracker pid_tracker;
+ struct lttng_id_tracker vpid_tracker;
+ struct lttng_id_tracker uid_tracker;
+ struct lttng_id_tracker vuid_tracker;
+ struct lttng_id_tracker gid_tracker;
+ struct lttng_id_tracker vgid_tracker;
unsigned int metadata_dumped:1,
tstate:1; /* Transient enable state */
- /* List of enablers */
+ /* List of event enablers */
struct list_head enablers_head;
- /* Hash table of events */
+/* Hash table of events */
struct lttng_event_ht events_ht;
+ char name[LTTNG_KERNEL_SESSION_NAME_LEN];
+ char creation_time[LTTNG_KERNEL_SESSION_CREATION_TIME_ISO8601_LEN];
+};
+
+struct lttng_trigger_group {
+ struct file *file; /* File associated to trigger group */
+ struct file *notif_file; /* File used to expose notifications to userspace. */
+ struct list_head node; /* Trigger group list */
+ struct list_head enablers_head; /* List of enablers */
+ struct list_head triggers_head; /* List of triggers */
+ struct lttng_trigger_ht triggers_ht; /* Hash table of triggers */
+ struct lttng_ctx *ctx; /* Contexts for filters. */
+ struct lttng_channel_ops *ops;
+ struct lttng_transport *transport;
+ struct channel *chan; /* Ring buffer channel for trigger group. */
+ struct lib_ring_buffer *buf; /* Ring buffer for trigger group. */
+ wait_queue_head_t read_wait;
+ struct irq_work wakeup_pending; /* Pending wakeup irq work. */
+
+ struct list_head *trigger_syscall_dispatch;
+ struct list_head *trigger_compat_syscall_dispatch;
+
+ unsigned int syscall_all:1,
+ sys_enter_registered:1;
};
struct lttng_metadata_cache {
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);
-int lttng_enabler_enable(struct lttng_enabler *enabler);
-int lttng_enabler_disable(struct lttng_enabler *enabler);
+int lttng_event_enabler_enable(struct lttng_event_enabler *event_enabler);
+int lttng_event_enabler_disable(struct lttng_event_enabler *event_enabler);
+struct lttng_trigger_enabler *lttng_trigger_enabler_create(
+ struct lttng_trigger_group *trigger_group,
+ enum lttng_enabler_format_type format_type,
+ struct lttng_kernel_trigger *trigger_param);
+
+int lttng_trigger_enabler_enable(struct lttng_trigger_enabler *trigger_enabler);
+int lttng_trigger_enabler_disable(struct lttng_trigger_enabler *trigger_enabler);
int lttng_fix_pending_events(void);
+int lttng_fix_pending_triggers(void);
int lttng_session_active(void);
+bool lttng_trigger_active(void);
struct lttng_session *lttng_session_create(void);
int lttng_session_enable(struct lttng_session *session);
int lttng_session_statedump(struct lttng_session *session);
void metadata_cache_destroy(struct kref *kref);
+struct lttng_trigger_group *lttng_trigger_group_create(void);
+void lttng_trigger_group_destroy(struct lttng_trigger_group *trigger_group);
+
struct lttng_channel *lttng_channel_create(struct lttng_session *session,
const char *transport_name,
void *buf_addr,
void *filter,
const struct lttng_event_desc *internal_desc);
+struct lttng_trigger *lttng_trigger_create(
+ const struct lttng_event_desc *trigger_desc,
+ uint64_t id,
+ struct lttng_trigger_group *trigger_group,
+ struct lttng_kernel_trigger *trigger_param,
+ void *filter,
+ enum lttng_kernel_instrumentation itype);
+struct lttng_trigger *_lttng_trigger_create(
+ const struct lttng_event_desc *trigger_desc,
+ uint64_t id,
+ struct lttng_trigger_group *trigger_group,
+ struct lttng_kernel_trigger *trigger_param,
+ void *filter,
+ enum lttng_kernel_instrumentation itype);
+
int lttng_channel_enable(struct lttng_channel *channel);
int lttng_channel_disable(struct lttng_channel *channel);
int lttng_event_enable(struct lttng_event *event);
int lttng_event_disable(struct lttng_event *event);
+int lttng_trigger_enable(struct lttng_trigger *trigger);
+int lttng_trigger_disable(struct lttng_trigger *trigger);
+
void lttng_transport_register(struct lttng_transport *transport);
void lttng_transport_unregister(struct lttng_transport *transport);
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_metadata_output_channel(struct lttng_metadata_stream *stream,
struct channel *chan);
-int lttng_pid_tracker_get_node_pid(const struct lttng_pid_hash_node *node);
-struct lttng_pid_tracker *lttng_pid_tracker_create(void);
-void lttng_pid_tracker_destroy(struct lttng_pid_tracker *lpf);
-bool lttng_pid_tracker_lookup(struct lttng_pid_tracker *lpf, int pid);
-int lttng_pid_tracker_add(struct lttng_pid_tracker *lpf, int pid);
-int lttng_pid_tracker_del(struct lttng_pid_tracker *lpf, int pid);
+int lttng_id_tracker_get_node_id(const struct lttng_id_hash_node *node);
+int lttng_id_tracker_empty_set(struct lttng_id_tracker *lf);
+void lttng_id_tracker_destroy(struct lttng_id_tracker *lf, bool rcu);
+bool lttng_id_tracker_lookup(struct lttng_id_tracker_rcu *p, int id);
+int lttng_id_tracker_add(struct lttng_id_tracker *lf, int id);
+int lttng_id_tracker_del(struct lttng_id_tracker *lf, int id);
-int lttng_session_track_pid(struct lttng_session *session, int pid);
-int lttng_session_untrack_pid(struct lttng_session *session, int pid);
+int lttng_session_track_id(struct lttng_session *session,
+ enum tracker_type tracker_type, int id);
+int lttng_session_untrack_id(struct lttng_session *session,
+ enum tracker_type tracker_type, int id);
-int lttng_session_list_tracker_pids(struct lttng_session *session);
+int lttng_session_list_tracker_ids(struct lttng_session *session,
+ enum tracker_type tracker_type);
void lttng_clock_ref(void);
void lttng_clock_unref(void);
+int lttng_desc_match_enabler(const struct lttng_event_desc *desc,
+ struct lttng_enabler *enabler);
+
#if defined(CONFIG_HAVE_SYSCALL_TRACEPOINTS)
-int lttng_syscalls_register(struct lttng_channel *chan, void *filter);
-int lttng_syscalls_unregister(struct lttng_channel *chan);
-int lttng_syscall_filter_enable(struct lttng_channel *chan,
+int lttng_syscalls_register_event(struct lttng_channel *chan, void *filter);
+int lttng_syscalls_unregister_event(struct lttng_channel *chan);
+int lttng_syscall_filter_enable_event(struct lttng_channel *chan,
const char *name);
-int lttng_syscall_filter_disable(struct lttng_channel *chan,
+int lttng_syscall_filter_disable_event(struct lttng_channel *chan,
const char *name);
long lttng_channel_syscall_mask(struct lttng_channel *channel,
struct lttng_kernel_syscall_mask __user *usyscall_mask);
+
+int lttng_syscalls_register_trigger(struct lttng_trigger_enabler *trigger_enabler, void *filter);
+int lttng_syscals_create_matching_triggers(struct lttng_trigger_enabler *trigger_enabler, void *filter);
+int lttng_syscalls_unregister_trigger(struct lttng_trigger_group *group);
+int lttng_syscall_filter_enable_trigger(struct lttng_trigger *trigger);
+int lttng_syscall_filter_disable_trigger(struct lttng_trigger *trigger);
#else
-static inline int lttng_syscalls_register(struct lttng_channel *chan, void *filter)
+static inline int lttng_syscalls_register_event(
+ struct lttng_channel *chan, void *filter)
{
return -ENOSYS;
}
-static inline int lttng_syscalls_unregister(struct lttng_channel *chan)
+static inline int lttng_syscalls_unregister_event(struct lttng_channel *chan)
{
return 0;
}
-static inline int lttng_syscall_filter_enable(struct lttng_channel *chan,
+static inline int lttng_syscall_filter_enable_event(struct lttng_channel *chan,
const char *name)
{
return -ENOSYS;
}
-static inline int lttng_syscall_filter_disable(struct lttng_channel *chan,
+static inline int lttng_syscall_filter_disable_event(struct lttng_channel *chan,
const char *name)
{
return -ENOSYS;
{
return -ENOSYS;
}
+
+static inline int lttng_syscalls_register_trigger(
+ struct lttng_trigger_group *group, void *filter)
+{
+ return -ENOSYS;
+}
+
+static inline int lttng_syscalls_unregister_trigger(struct lttng_trigger_group *group)
+{
+ return 0;
+}
+
+static inline int lttng_syscall_filter_enable_trigger(struct lttng_trigger_group *group,
+ const char *name)
+{
+ return -ENOSYS;
+}
+
+static inline int lttng_syscall_filter_disable_trigger(struct lttng_trigger_group *group,
+ const char *name)
+{
+ return -ENOSYS;
+}
+
#endif
void lttng_filter_sync_state(struct lttng_bytecode_runtime *runtime);
-int lttng_enabler_attach_bytecode(struct lttng_enabler *enabler,
+int lttng_event_enabler_attach_bytecode(struct lttng_event_enabler *event_enabler,
+ struct lttng_kernel_filter_bytecode __user *bytecode);
+int lttng_trigger_enabler_attach_bytecode(struct lttng_trigger_enabler *trigger_enabler,
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);
int lttng_add_callstack_to_ctx(struct lttng_ctx **ctx, int type);
-#if defined(CONFIG_PERF_EVENTS) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33))
+#if defined(CONFIG_CGROUPS) && \
+ ((LINUX_VERSION_CODE >= KERNEL_VERSION(4,6,0)) || \
+ LTTNG_UBUNTU_KERNEL_RANGE(4,4,0,0, 4,5,0,0))
+int lttng_add_cgroup_ns_to_ctx(struct lttng_ctx **ctx);
+#else
+static inline
+int lttng_add_cgroup_ns_to_ctx(struct lttng_ctx **ctx)
+{
+ return -ENOSYS;
+}
+#endif
+
+#if defined(CONFIG_IPC_NS) && \
+ (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
+int lttng_add_ipc_ns_to_ctx(struct lttng_ctx **ctx);
+#else
+static inline
+int lttng_add_ipc_ns_to_ctx(struct lttng_ctx **ctx)
+{
+ return -ENOSYS;
+}
+#endif
+
+#if !defined(LTTNG_MNT_NS_MISSING_HEADER) && \
+ (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
+int lttng_add_mnt_ns_to_ctx(struct lttng_ctx **ctx);
+#else
+static inline
+int lttng_add_mnt_ns_to_ctx(struct lttng_ctx **ctx)
+{
+ return -ENOSYS;
+}
+#endif
+
+#if defined(CONFIG_NET_NS) && \
+ (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
+int lttng_add_net_ns_to_ctx(struct lttng_ctx **ctx);
+#else
+static inline
+int lttng_add_net_ns_to_ctx(struct lttng_ctx **ctx)
+{
+ return -ENOSYS;
+}
+#endif
+
+#if defined(CONFIG_PID_NS) && \
+ (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
+int lttng_add_pid_ns_to_ctx(struct lttng_ctx **ctx);
+#else
+static inline
+int lttng_add_pid_ns_to_ctx(struct lttng_ctx **ctx)
+{
+ return -ENOSYS;
+}
+#endif
+
+#if defined(CONFIG_USER_NS) && \
+ (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
+int lttng_add_user_ns_to_ctx(struct lttng_ctx **ctx);
+#else
+static inline
+int lttng_add_user_ns_to_ctx(struct lttng_ctx **ctx)
+{
+ return -ENOSYS;
+}
+#endif
+
+#if defined(CONFIG_UTS_NS) && \
+ (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
+int lttng_add_uts_ns_to_ctx(struct lttng_ctx **ctx);
+#else
+static inline
+int lttng_add_uts_ns_to_ctx(struct lttng_ctx **ctx)
+{
+ return -ENOSYS;
+}
+#endif
+
+int lttng_add_uid_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_euid_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_suid_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_gid_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_egid_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_sgid_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_vuid_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_veuid_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_vsuid_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_vgid_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_vegid_to_ctx(struct lttng_ctx **ctx);
+int lttng_add_vsgid_to_ctx(struct lttng_ctx **ctx);
+
+#if defined(CONFIG_PERF_EVENTS)
int lttng_add_perf_counter_to_ctx(uint32_t type,
uint64_t config,
const char *name,
extern int lttng_statedump_start(struct lttng_session *session);
#ifdef CONFIG_KPROBES
-int lttng_kprobes_register(const char *name,
+int lttng_kprobes_register_event(const char *name,
const char *symbol_name,
uint64_t offset,
uint64_t addr,
struct lttng_event *event);
-void lttng_kprobes_unregister(struct lttng_event *event);
-void lttng_kprobes_destroy_private(struct lttng_event *event);
+void lttng_kprobes_unregister_event(struct lttng_event *event);
+void lttng_kprobes_destroy_event_private(struct lttng_event *event);
+int lttng_kprobes_register_trigger(const char *symbol_name,
+ uint64_t offset,
+ uint64_t addr,
+ struct lttng_trigger *trigger);
+void lttng_kprobes_unregister_trigger(struct lttng_trigger *trigger);
+void lttng_kprobes_destroy_trigger_private(struct lttng_trigger *trigger);
#else
static inline
-int lttng_kprobes_register(const char *name,
+int lttng_kprobes_register_event(const char *name,
const char *symbol_name,
uint64_t offset,
uint64_t addr,
}
static inline
-void lttng_kprobes_unregister(struct lttng_event *event)
+void lttng_kprobes_unregister_event(struct lttng_event *event)
+{
+}
+
+static inline
+void lttng_kprobes_destroy_event_private(struct lttng_event *event)
+{
+}
+
+static inline
+int lttng_kprobes_register_trigger(const char *symbol_name,
+ uint64_t offset,
+ uint64_t addr,
+ struct lttng_trigger *trigger)
+{
+ return -ENOSYS;
+}
+
+static inline
+void lttng_kprobes_unregister_trigger(struct lttng_trigger *trigger)
{
}
static inline
-void lttng_kprobes_destroy_private(struct lttng_event *event)
+void lttng_kprobes_destroy_trigger_private(struct lttng_trigger *trigger)
{
}
#endif
int lttng_event_add_callsite(struct lttng_event *event,
struct lttng_kernel_event_callsite *callsite);
+int lttng_trigger_add_callsite(struct lttng_trigger *trigger,
+ struct lttng_kernel_event_callsite *callsite);
+
#ifdef CONFIG_UPROBES
-int lttng_uprobes_register(const char *name,
+int lttng_uprobes_register_event(const char *name,
int fd, struct lttng_event *event);
-int lttng_uprobes_add_callsite(struct lttng_event *event,
+int lttng_uprobes_event_add_callsite(struct lttng_event *event,
+ struct lttng_kernel_event_callsite *callsite);
+void lttng_uprobes_unregister_event(struct lttng_event *event);
+void lttng_uprobes_destroy_event_private(struct lttng_event *event);
+int lttng_uprobes_register_trigger(const char *name,
+ int fd, struct lttng_trigger *trigger);
+int lttng_uprobes_trigger_add_callsite(struct lttng_trigger *trigger,
struct lttng_kernel_event_callsite *callsite);
-void lttng_uprobes_unregister(struct lttng_event *event);
-void lttng_uprobes_destroy_private(struct lttng_event *event);
+void lttng_uprobes_unregister_trigger(struct lttng_trigger *trigger);
+void lttng_uprobes_destroy_trigger_private(struct lttng_trigger *trigger);
#else
static inline
-int lttng_uprobes_register(const char *name,
+int lttng_uprobes_register_event(const char *name,
int fd, struct lttng_event *event)
{
return -ENOSYS;
}
static inline
-int lttng_uprobes_add_callsite(struct lttng_event *event,
+int lttng_uprobes_event_add_callsite(struct lttng_event *event,
struct lttng_kernel_event_callsite *callsite)
{
return -ENOSYS;
}
static inline
-void lttng_uprobes_unregister(struct lttng_event *event)
+void lttng_uprobes_unregister_event(struct lttng_event *event)
+{
+}
+
+static inline
+void lttng_uprobes_destroy_event_private(struct lttng_event *event)
{
}
static inline
-void lttng_uprobes_destroy_private(struct lttng_event *event)
+int lttng_uprobes_register_trigger(const char *name,
+ int fd, struct lttng_trigger *trigger)
+{
+ return -ENOSYS;
+}
+
+static inline
+int lttng_uprobes_trigger_add_callsite(struct lttng_trigger *trigger,
+ struct lttng_kernel_event_callsite *callsite)
+{
+ return -ENOSYS;
+}
+
+static inline
+void lttng_uprobes_unregister_trigger(struct lttng_trigger *trigger)
+{
+}
+
+static inline
+void lttng_uprobes_destroy_trigger_private(struct lttng_trigger *trigger)
{
}
#endif
extern const struct file_operations lttng_tracepoint_list_fops;
extern const struct file_operations lttng_syscall_list_fops;
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
#define TRACEPOINT_HAS_DATA_ARG
-#endif
#endif /* _LTTNG_EVENTS_H */
projects / deliverable / lttng-modules.git / blobdiff