struct lttng_channel_ops ops;
};
+struct lttng_syscall_filter;
+
struct lttng_channel {
unsigned int id;
struct channel *chan; /* Channel buffers */
struct lttng_transport *transport;
struct lttng_event **sc_table; /* for syscall tracing */
struct lttng_event **compat_sc_table;
+ struct lttng_event **sc_exit_table; /* for syscall exit tracing */
+ struct lttng_event **compat_sc_exit_table;
struct lttng_event *sc_unknown; /* for unknown syscalls */
struct lttng_event *sc_compat_unknown;
- struct lttng_event *sc_exit; /* for syscall exit */
+ struct lttng_event *sc_exit_unknown;
+ struct lttng_event *compat_sc_exit_unknown;
+ struct lttng_syscall_filter *sc_filter;
int header_type; /* 0: unset, 1: compact, 2: large */
enum channel_type channel_type;
- unsigned int metadata_dumped:1;
+ unsigned int metadata_dumped:1,
+ sys_enter_registered:1,
+ sys_exit_registered:1,
+ syscall_all:1;
};
struct lttng_metadata_stream {
#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,
+ const char *name);
+int lttng_syscall_filter_disable(struct lttng_channel *chan,
+ const char *name);
+long lttng_channel_syscall_mask(struct lttng_channel *channel,
+ struct lttng_kernel_syscall_mask __user *usyscall_mask);
#else
static inline int lttng_syscalls_register(struct lttng_channel *chan, void *filter)
{
{
return 0;
}
+
+static
+int lttng_syscall_filter_enable(struct lttng_channel *chan,
+ const char *name)
+{
+ return -ENOSYS;
+}
+
+static
+int lttng_syscall_filter_disable(struct lttng_channel *chan,
+ const char *name)
+{
+ return -ENOSYS;
+}
+
+static
+long lttng_channel_syscall_mask(struct lttng_channel *channel,
+ struct lttng_kernel_syscall_mask __user *usyscall_mask)
+{
+ return -ENOSYS;
+}
#endif
struct lttng_ctx_field *lttng_append_context(struct lttng_ctx **ctx);
int lttng_calibrate(struct lttng_kernel_calibrate *calibrate);
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