X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=include%2Fust%2Fmarker.h;h=41ae10ab4a07301ed63fc998f8d592dffe2d61e0;hb=535b0d0af1b6421ceb83e22821e85bc6919d16d9;hp=cffa9d30b330e3bbdf6acf6f9e48319cb84277f9;hpb=8161463975e218e0833d31ab1577a7ceb9e8e9f3;p=ust.git diff --git a/include/ust/marker.h b/include/ust/marker.h index cffa9d3..41ae10a 100644 --- a/include/ust/marker.h +++ b/include/ust/marker.h @@ -1,3 +1,6 @@ +#ifndef _UST_MARKER_H +#define _UST_MARKER_H + /* * Code markup for dynamic and static tracing. * @@ -22,16 +25,12 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ -#ifndef _UST_MARKER_H -#define _UST_MARKER_H - #include -#include +#include #include +#include #include -#include - struct ust_marker; /** @@ -74,8 +73,6 @@ struct ust_marker { void *tp_cb; /* Optional tracepoint callback */ }; -#define GET_UST_MARKER(name) (__ust_marker_def_##name) - /* * We keep the "channel" as internal field for marker.c *only*. It will be * removed soon. @@ -99,15 +96,9 @@ struct ust_marker { { __ust_marker_empty_function, NULL}, \ NULL, tp_name_str, tp_cb }; \ static struct ust_marker * __ust_marker_ptr_##name \ - __attribute__((used, section("__ust_marker_ptrs"))) = \ + __attribute__((used, section("__ust_marker_ptrs"))) = \ &__ust_marker_def_##name -#define DEFINE_UST_MARKER(name, format) \ - _DEFINE_UST_MARKER(ust, name, NULL, NULL, format) - -#define DEFINE_UST_MARKER_TP(name, tp_name, tp_cb, format) \ - _DEFINE_UST_MARKER(ust, name, #tp_name, tp_cb, format) - /* * Make sure the alignment of the structure in the __ust_marker section will * not add unwanted padding between the beginning of the section and the @@ -124,22 +115,6 @@ struct ust_marker { ## args); \ } while (0) -#define __ust_marker_tp(name, call_private, tp_name, tp_cb, \ - format, args...) \ - do { \ - void __check_tp_type(void) \ - { \ - register_trace_##tp_name(tp_cb, call_private); \ - } \ - DEFINE_UST_MARKER_TP(name, #tp_name, tp_cb, format); \ - __ust_marker_check_format(format, ## args); \ - (*__ust_marker_def_##name.call) \ - (&__ust_marker_def_##name, call_private, ## args); \ - } while (0) - -extern void ust_marker_update_probe_range(struct ust_marker * const *begin, - struct ust_marker * const *end); - /** * ust_marker - Marker using code patching * @name: marker name, not quoted. @@ -156,32 +131,14 @@ void __trace_mark_is_deprecated() { } -/** - * ust_marker_tp - Marker in a tracepoint callback - * @name: marker name, not quoted. - * @tp_name: tracepoint name, not quoted. - * @tp_cb: tracepoint callback. Should have an associated global symbol so it - * is not optimized away by the compiler (should not be static). - * @format: format string - * @args...: variable argument list - * - * Places a marker in a tracepoint callback. - */ -#define ust_marker_tp(name, tp_name, tp_cb, format, args...) \ - __ust_marker_tp(ust, name, NULL, tp_name, tp_cb, format, ## args) - /** * UST_MARKER_NOARGS - Format string for a marker with no argument. */ #define UST_MARKER_NOARGS " " -extern void lock_ust_marker(void); -extern void unlock_ust_marker(void); - -extern void ust_marker_compact_event_ids(void); - /* To be used for string format validity checking with gcc */ -static inline void __printf(1, 2) ___ust_marker_check_format(const char *fmt, ...) +static inline +void __printf(1, 2) ___ust_marker_check_format(const char *fmt, ...) { } @@ -196,103 +153,44 @@ extern ust_marker_probe_func __ust_marker_empty_function; extern void ust_marker_probe_cb(const struct ust_marker *mdata, void *call_private, ...); -/* - * Connect a probe to a marker. - * private data pointer must be a valid allocated memory address, or NULL. - */ -extern int ust_marker_probe_register(const char *channel, const char *name, - const char *format, ust_marker_probe_func *probe, void *probe_private); - -/* - * Returns the private data given to ust_marker_probe_register. - */ -extern int ust_marker_probe_unregister(const char *channel, const char *name, - ust_marker_probe_func *probe, void *probe_private); -/* - * Unregister a marker by providing the registered private data. - */ -extern int ust_marker_probe_unregister_private_data(ust_marker_probe_func *probe, - void *probe_private); - -extern void *ust_marker_get_private_data(const char *channel, const char *name, - ust_marker_probe_func *probe, int num); - -/* - * ust_marker_synchronize_unregister must be called between the last marker probe - * unregistration and the first one of - * - the end of module exit function - * - the free of any resource used by the probes - * to ensure the code and data are valid for any possibly running probes. - */ -#define ust_marker_synchronize_unregister() synchronize_sched() - -struct ust_marker_iter { -//ust// struct module *module; - struct ust_marker_lib *lib; - struct ust_marker * const *ust_marker; -}; - -extern void ust_marker_iter_start(struct ust_marker_iter *iter); -extern void ust_marker_iter_next(struct ust_marker_iter *iter); -extern void ust_marker_iter_stop(struct ust_marker_iter *iter); -extern void ust_marker_iter_reset(struct ust_marker_iter *iter); -extern int ust_marker_get_iter_range(struct ust_marker * const **marker, struct ust_marker * const *begin, - struct ust_marker * const *end); - -extern void ust_marker_update_process(void); -extern int is_ust_marker_enabled(const char *channel, const char *name); - -//ust// #ifdef CONFIG_UST_MARKER_USERSPACE -//ust// extern void exit_user_ust_marker(struct task_struct *p); -//ust// #else -//ust// static inline void exit_user_ust_marker(struct task_struct *p) -//ust// { -//ust// } -//ust// #endif - -struct ust_marker_addr { - struct ust_marker *marker; - void *addr; -}; - struct ust_marker_lib { struct ust_marker * const *ust_marker_start; int ust_marker_count; struct cds_list_head list; }; -extern int ust_marker_register_lib(struct ust_marker * const *ust_marker_start, int ust_marker_count); -extern int ust_marker_unregister_lib(struct ust_marker * const *ust_marker_start); - #define UST_MARKER_LIB \ extern struct ust_marker * const __start___ust_marker_ptrs[] __attribute__((weak, visibility("hidden"))); \ extern struct ust_marker * const __stop___ust_marker_ptrs[] __attribute__((weak, visibility("hidden"))); \ static struct ust_marker * __ust_marker_ptr_dummy \ __attribute__((used, section("__ust_marker_ptrs"))); \ \ - static void __attribute__((constructor)) __ust_marker__init(void) \ + static void __attribute__((constructor)) __ust_marker__init(void) \ { \ ust_marker_register_lib(__start___ust_marker_ptrs, \ __stop___ust_marker_ptrs \ - - __start___ust_marker_ptrs); \ + - __start___ust_marker_ptrs); \ } \ \ - static void __attribute__((destructor)) __ust_marker__destroy(void)\ + static void __attribute__((destructor)) __ust_marker__destroy(void) \ { \ ust_marker_unregister_lib(__start___ust_marker_ptrs); \ } -extern void ust_marker_set_new_ust_marker_cb(void (*cb)(struct ust_marker *)); -extern void init_ust_marker(void); +extern +int ust_marker_register_lib(struct ust_marker * const *ust_marker_start, + int ust_marker_count); +extern +int ust_marker_unregister_lib(struct ust_marker * const *ust_marker_start); /* - * trace_mark() -- TO BE DEPRECATED + * trace_mark() -- DEPRECATED * @channel: name prefix, not quoted. Ignored. * @name: marker name, not quoted. * @format: format string * @args...: variable argument list * - * Kept as a compatibility API and will be *DEPRECATED* in favor of + * Kept as a compatibility API and is *DEPRECATED* in favor of * ust_marker(). */ #define trace_mark(channel, name, format, args...) \ @@ -305,15 +203,15 @@ void __MARKER_LIB_IS_DEPRECATED() } /* - * MARKER_LIB is kept for backward compatibility and will be - * *DEPRECATED*. Use UST_MARKER_LIB instead. + * MARKER_LIB is kept for backward compatibility and is *DEPRECATED*. + * Use UST_MARKER_LIB instead. */ #define MARKER_LIB \ __MARKER_LIB_IS_DEPRECATED(); \ UST_MARKER_LIB /** - * MARKER_NOARGS - Compatibility API. Will be *DEPRECATED*. Use + * MARKER_NOARGS - Compatibility API. *DEPRECATED*. Use * UST_MARKER_NOARGS instead. */ #define MARK_NOARGS UST_MARKER_NOARGS