X-Git-Url: http://git.lttng.org/?p=ust.git;a=blobdiff_plain;f=libust%2Fmarker.c;h=8690d2b1151e0a5861c2c81327226cb55e46757a;hp=39da7f40f08338a69ae85cc6915cac303376390e;hb=fbca6b624335eef18c8d86194aeb101a720168f4;hpb=48454c953fc1117fbbbe5fc7bc23b6cd28b50d32 diff --git a/libust/marker.c b/libust/marker.c index 39da7f4..8690d2b 100644 --- a/libust/marker.c +++ b/libust/marker.c @@ -31,11 +31,11 @@ //ust// #include #define _LGPL_SOURCE -#include +#include -#include "kernelcompat.h" +#include -#include "marker.h" +#include #include "usterr.h" #include "channels.h" #include "tracercore.h" @@ -53,6 +53,9 @@ static const int marker_debug; */ static DEFINE_MUTEX(markers_mutex); +static LIST_HEAD(libs); + + void lock_markers(void) { mutex_lock(&markers_mutex); @@ -631,9 +634,9 @@ static int set_marker(struct marker_entry *entry, struct marker *elem, */ static void disable_marker(struct marker *elem) { - int ret; - - /* leave "call" as is. It is known statically. */ +//ust// int ret; +//ust// +//ust// /* leave "call" as is. It is known statically. */ //ust// if (elem->tp_name && _imv_read(elem->state)) { //ust// WARN_ON(!elem->tp_cb); //ust// /* @@ -703,6 +706,18 @@ void marker_update_probe_range(struct marker *begin, mutex_unlock(&markers_mutex); } +static void lib_update_markers(void) +{ + struct lib *lib; + + /* FIXME: we should probably take a mutex here on libs */ +//ust// mutex_lock(&module_mutex); + list_for_each_entry(lib, &libs, list) + marker_update_probe_range(lib->markers_start, + lib->markers_start + lib->markers_count); +//ust// mutex_unlock(&module_mutex); +} + /* * Update probes, removing the faulty probes. * @@ -1056,6 +1071,33 @@ void *marker_get_private_data(const char *channel, const char *name, //ust//#ifdef CONFIG_MODULES +/* + * Returns 0 if current not found. + * Returns 1 if current found. + */ +int lib_get_iter_markers(struct marker_iter *iter) +{ + struct lib *iter_lib; + int found = 0; + +//ust// mutex_lock(&module_mutex); + list_for_each_entry(iter_lib, &libs, list) { + if (iter_lib < iter->lib) + continue; + else if (iter_lib > iter->lib) + iter->marker = NULL; + found = marker_get_iter_range(&iter->marker, + iter_lib->markers_start, + iter_lib->markers_start + iter_lib->markers_count); + if (found) { + iter->lib = iter_lib; + break; + } + } +//ust// mutex_unlock(&module_mutex); + return found; +} + /** * marker_get_iter_range - Get a next marker iterator given a range. * @marker: current markers (in), next marker (out) @@ -1436,47 +1478,6 @@ void ltt_dump_marker_state(struct ltt_trace_struct *trace) } //ust// EXPORT_SYMBOL_GPL(ltt_dump_marker_state); - -static LIST_HEAD(libs); - -/* - * Returns 0 if current not found. - * Returns 1 if current found. - */ -int lib_get_iter_markers(struct marker_iter *iter) -{ - struct lib *iter_lib; - int found = 0; - -//ust// mutex_lock(&module_mutex); - list_for_each_entry(iter_lib, &libs, list) { - if (iter_lib < iter->lib) - continue; - else if (iter_lib > iter->lib) - iter->marker = NULL; - found = marker_get_iter_range(&iter->marker, - iter_lib->markers_start, - iter_lib->markers_start + iter_lib->markers_count); - if (found) { - iter->lib = iter_lib; - break; - } - } -//ust// mutex_unlock(&module_mutex); - return found; -} - -void lib_update_markers(void) -{ - struct lib *lib; - -//ust// mutex_lock(&module_mutex); - list_for_each_entry(lib, &libs, list) - marker_update_probe_range(lib->markers_start, - lib->markers_start + lib->markers_count); -//ust// mutex_unlock(&module_mutex); -} - static void (*new_marker_cb)(struct marker *) = NULL; void marker_set_new_marker_cb(void (*cb)(struct marker *)) @@ -1532,7 +1533,7 @@ void __attribute__((constructor)) init_markers(void) { if(!initialized) { marker_register_lib(__start___markers, (((long)__stop___markers)-((long)__start___markers))/sizeof(struct marker)); - printf("markers_start: %p, markers_stop: %p\n", __start___markers, __stop___markers); + DBG("markers_start: %p, markers_stop: %p\n", __start___markers, __stop___markers); initialized = 1; } }