X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=ltt-events.h;h=ccb9df829094f60ad9c7b4a20adf7cae421b96b5;hb=01855e375e645ffdd4e260eb4083560c2fe38fe9;hp=525fc982cbaf3b629e295d0da779a9c8927bc6f1;hpb=57105fc258cabb75b3a579aaba53b2024fd340e0;p=lttng-modules.git diff --git a/ltt-events.h b/ltt-events.h index 525fc982..ccb9df82 100644 --- a/ltt-events.h +++ b/ltt-events.h @@ -158,7 +158,7 @@ struct lttng_event_desc { }; struct lttng_probe_desc { - const struct lttng_event_desc *event_desc; + const struct lttng_event_desc **event_desc; unsigned int nr_events; struct list_head head; /* chain registered probes */ }; @@ -210,13 +210,17 @@ struct ltt_channel_ops { void (*event_commit)(struct lib_ring_buffer_ctx *ctx); void (*event_write)(struct lib_ring_buffer_ctx *ctx, const void *src, size_t len); + void (*event_write_from_user)(struct lib_ring_buffer_ctx *ctx, + const void *src, size_t len); + void (*event_memset)(struct lib_ring_buffer_ctx *ctx, + int c, size_t len); /* * packet_avail_size returns the available size in the current * packet. Note that the size returned is only a hint, since it * may change due to concurrent writes. */ size_t (*packet_avail_size)(struct channel *chan); - wait_queue_head_t *(*get_reader_wait_queue)(struct channel *chan); + wait_queue_head_t *(*get_writer_buf_wait_queue)(struct channel *chan, int cpu); wait_queue_head_t *(*get_hp_wait_queue)(struct channel *chan); int (*is_finalized)(struct channel *chan); int (*is_disabled)(struct channel *chan); @@ -241,6 +245,10 @@ struct ltt_channel { struct list_head list; /* Channel list */ struct ltt_channel_ops *ops; struct ltt_transport *transport; + struct ltt_event **sc_table; /* for syscall tracing */ + struct ltt_event *sc_unknown; /* for unknown syscalls */ + struct ltt_event *sc_compat_unknown; + struct ltt_event *sc_exit; /* for syscall exit */ int header_type; /* 0: unset, 1: compact, 2: large */ int metadata_dumped:1; }; @@ -277,7 +285,8 @@ struct ltt_channel *ltt_global_channel_create(struct ltt_session *session, struct ltt_event *ltt_event_create(struct ltt_channel *chan, struct lttng_kernel_event *event_param, - void *filter); + void *filter, + const struct lttng_event_desc *internal_desc); int ltt_channel_enable(struct ltt_channel *channel); int ltt_channel_disable(struct ltt_channel *channel); @@ -297,6 +306,22 @@ const struct lttng_event_desc *ltt_event_get(const char *name); void ltt_event_put(const struct lttng_event_desc *desc); int ltt_probes_init(void); void ltt_probes_exit(void); + +#ifdef CONFIG_HAVE_SYSCALL_TRACEPOINTS +int lttng_syscalls_register(struct ltt_channel *chan, void *filter); +int lttng_syscalls_unregister(struct ltt_channel *chan); +#else +static inline int lttng_syscalls_register(struct ltt_channel *chan, void *filter) +{ + return -ENOSYS; +} + +static inline int lttng_syscalls_unregister(struct ltt_channel *chan) +{ + return 0; +} +#endif + struct lttng_ctx_field *lttng_append_context(struct lttng_ctx **ctx); int lttng_find_context(struct lttng_ctx *ctx, const char *name); void lttng_remove_context_field(struct lttng_ctx **ctx, @@ -311,7 +336,7 @@ int lttng_add_tid_to_ctx(struct lttng_ctx **ctx); int lttng_add_vtid_to_ctx(struct lttng_ctx **ctx); int lttng_add_ppid_to_ctx(struct lttng_ctx **ctx); int lttng_add_vppid_to_ctx(struct lttng_ctx **ctx); -#ifdef CONFIG_PERF_EVENTS +#if defined(CONFIG_PERF_EVENTS) && (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33)) int lttng_add_perf_counter_to_ctx(uint32_t type, uint64_t config, const char *name, @@ -415,7 +440,7 @@ void lttng_ftrace_destroy_private(struct ltt_event *event) } #endif -int lttng_calibrate(struct lttng_calibrate *calibrate); +int lttng_calibrate(struct lttng_kernel_calibrate *calibrate); extern const struct file_operations lttng_tracepoint_list_fops;