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 list_head node;
};
+enum lttng_syscall_entryexit {
+ LTTNG_SYSCALL_ENTRY,
+ LTTNG_SYSCALL_EXIT,
+};
+
+enum lttng_syscall_abi {
+ LTTNG_SYSCALL_ABI_NATIVE,
+ LTTNG_SYSCALL_ABI_COMPAT,
+};
+
/*
* lttng_event structure is referred to by the tracing fast path. It must be
* kept small.
struct inode *inode;
struct list_head head;
} uprobe;
+ struct {
+ char *syscall_name;
+ enum lttng_syscall_entryexit entryexit;
+ enum lttng_syscall_abi abi;
+ } syscall;
} 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,
+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;
};
+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 *lttng_chan,
struct lttng_syscall_filter *sc_filter;
int header_type; /* 0: unset, 1: compact, 2: large */
enum channel_type channel_type;
+ int syscall_all;
unsigned int metadata_dumped:1,
sys_enter_registered:1,
sys_exit_registered:1,
- syscall_all: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 event enablers */
struct list_head enablers_head;
/* Hash table of events */
struct lttng_event_ht events_ht;
char *data; /* Metadata cache */
unsigned int cache_alloc; /* Metadata allocated size (bytes) */
unsigned int metadata_written; /* Number of bytes written in metadata cache */
- int producing; /* Metadata being produced (incomplete) */
+ atomic_t producing; /* Metadata being produced (incomplete) */
struct kref refcount; /* Metadata cache usage */
struct list_head metadata_stream; /* Metadata stream list */
uuid_le uuid; /* Trace session unique ID (copy) */
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);
int lttng_fix_pending_events(void);
int lttng_session_active(void);
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);
#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_syscalls_destroy(struct lttng_channel *chan);
int lttng_syscall_filter_enable(struct lttng_channel *chan,
- const char *name);
+ struct lttng_event *event);
int lttng_syscall_filter_disable(struct lttng_channel *chan,
- const char *name);
+ struct lttng_event *event);
long lttng_channel_syscall_mask(struct lttng_channel *channel,
struct lttng_kernel_syscall_mask __user *usyscall_mask);
#else
return 0;
}
+static inline int lttng_syscalls_destroy(struct lttng_channel *chan)
+{
+ return 0;
+}
+
static inline int lttng_syscall_filter_enable(struct lttng_channel *chan,
- const char *name)
+ struct lttng_event *event);
{
return -ENOSYS;
}
static inline int lttng_syscall_filter_disable(struct lttng_channel *chan,
- const char *name)
+ struct lttng_event *event);
{
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);
-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);
}
#endif
+#if defined(CONFIG_TIME_NS) && \
+ (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0))
+int lttng_add_time_ns_to_ctx(struct lttng_ctx **ctx);
+#else
+static inline
+int lttng_add_time_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);
projects / lttng-modules.git / blobdiff