X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=lttng-events.h;h=099fd78b922cc3cf1e1c16140fc956fb93a516e5;hb=99b7b395ea666b47ef54349ede02d533cfb9d11e;hp=769ec695feaedba7d338e10d50adbf287f2e590d;hpb=8a107a4285e31b8ec536bd1d17085edd4dee80b0;p=lttng-modules.git diff --git a/lttng-events.h b/lttng-events.h index 769ec695..099fd78b 100644 --- a/lttng-events.h +++ b/lttng-events.h @@ -292,6 +292,16 @@ struct lttng_uprobe_handler { 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. @@ -318,6 +328,11 @@ struct lttng_event { 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; @@ -457,10 +472,10 @@ struct lttng_channel { 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 */ }; @@ -474,6 +489,7 @@ struct lttng_metadata_stream { struct list_head list; /* Stream list */ struct lttng_transport *transport; uint64_t version; /* Current version of the metadata cache */ + bool coherent; /* Stream in a coherent state */ }; #define LTTNG_DYNAMIC_LEN_STACK_SIZE 128 @@ -526,6 +542,7 @@ struct lttng_metadata_cache { char *data; /* Metadata cache */ unsigned int cache_alloc; /* Metadata allocated size (bytes) */ unsigned int metadata_written; /* Number of bytes written in metadata cache */ + 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) */ @@ -606,7 +623,7 @@ int lttng_probes_init(void); void lttng_probes_exit(void); int lttng_metadata_output_channel(struct lttng_metadata_stream *stream, - struct channel *chan); + struct channel *chan, bool *coherent); int lttng_pid_tracker_get_node_pid(const struct lttng_pid_hash_node *node); struct lttng_pid_tracker *lttng_pid_tracker_create(void); @@ -626,10 +643,11 @@ void lttng_clock_unref(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 @@ -643,14 +661,19 @@ static inline int lttng_syscalls_unregister(struct lttng_channel *chan) 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; }