X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=include%2Flttng%2Flttng.h;h=6f4ce130f684341e2799b84ce606c3bb7f127e24;hp=71c5e820805e2d9db11a3a7c61c532e760f1ba06;hb=894be886aae0f1a1f49e63723511fcb15e816e7e;hpb=5b97ec606d485e091cf2c2bc06b79f05d18212aa diff --git a/include/lttng/lttng.h b/include/lttng/lttng.h index 71c5e8208..6f4ce130f 100644 --- a/include/lttng/lttng.h +++ b/include/lttng/lttng.h @@ -20,6 +20,7 @@ #define _LIBLTTNGCTL_H #include +#include #include /* Default unix group name for tracing. @@ -31,9 +32,10 @@ */ #define LTTNG_SESSIOND_PATH_ENV "LTTNG_SESSIOND_PATH" -/* From libuuid - */ +/* UUID string length (including \0) */ #define UUID_STR_LEN 37 +/* UUID short string version length (including \0) */ +#define UUID_SHORT_STR_LEN 9 /* Trace type for lttng_trace. */ @@ -45,7 +47,7 @@ enum lttng_trace_type { */ struct lttng_session { char name[NAME_MAX]; - char uuid[UUID_STR_LEN]; + uuid_t uuid; }; /* Simple trace representation. @@ -56,7 +58,7 @@ struct lttng_trace { enum lttng_trace_type type; }; -extern int lttng_create_session(char *name, uuid_t *session_id); +extern int lttng_create_session(char *name); extern int lttng_destroy_session(uuid_t *uuid); extern int lttng_connect_sessiond(void); extern int lttng_disconnect_sessiond(void); @@ -66,9 +68,22 @@ extern const char *lttng_get_readable_code(int code); extern int lttng_ust_list_apps(pid_t **pids); extern int lttng_list_sessions(struct lttng_session **sessions); extern int lttng_list_traces(uuid_t *uuid, struct lttng_trace **traces); -extern void lttng_set_current_session_uuid(char *uuid); +extern void lttng_set_current_session_uuid(uuid_t *uuid); extern int lttng_ust_create_trace(pid_t pid); extern int lttng_ust_start_trace(pid_t pid); extern int lttng_ust_stop_trace(pid_t pid); +/* + * Kernel tracer control + */ +extern int lttng_kernel_enable_event(char *event_name); +extern int lttng_kernel_disable_event(char *event_name); +extern int lttng_kernel_create_session(void); +extern int lttng_kernel_start_tracing(void); +extern int lttng_kernel_stop_tracing(void); +extern int lttng_kernel_create_channel(int overwrite, + uint64_t subbuf_size, uint64_t num_subbuf, + unsigned int switch_timer_interval, + unsigned int read_timer_interval); + #endif /* _LIBLTTNGCTL_H */