* Ported to userspace by Pierre-Marc Fournier.
*/
-//ust// #include <linux/module.h>
-//ust// #include <linux/mutex.h>
-//ust// #include <linux/types.h>
-//ust// #include <linux/jhash.h>
-//ust// #include <linux/list.h>
-//ust// #include <linux/rcupdate.h>
-//ust// #include <linux/tracepoint.h>
-//ust// #include <linux/err.h>
-//ust// #include <linux/slab.h>
-//ust// #include <linux/immediate.h>
-
#include <errno.h>
-
-#include "kernelcompat.h"
#include <ust/tracepoint.h>
+#include <ust/core.h>
+#include <ust/kcompat/kcompat.h>
#include "usterr.h"
-//#include "list.h"
#define _LGPL_SOURCE
#include <urcu-bp.h>
static inline void *allocate_probes(int count)
{
- struct tp_probes *p = kmalloc(count * sizeof(void *)
- + sizeof(struct tp_probes), GFP_KERNEL);
+ struct tp_probes *p = malloc(count * sizeof(void *)
+ + sizeof(struct tp_probes));
return p == NULL ? NULL : p->probes;
}
struct tp_probes, probes[0]);
//ust// call_rcu_sched(&tp_probes->u.rcu, rcu_free_old_probes);
synchronize_rcu();
- kfree(tp_probes);
+ free(tp_probes);
}
}
return;
for (i = 0; entry->funcs[i]; i++)
- printk(KERN_DEBUG "Probe %d : %p\n", i, entry->funcs[i]);
+ DBG("Probe %d : %p", i, entry->funcs[i]);
}
static void *
head = &tracepoint_table[hash & (TRACEPOINT_TABLE_SIZE - 1)];
hlist_for_each_entry(e, node, head, hlist) {
if (!strcmp(name, e->name)) {
- printk(KERN_NOTICE
- "tracepoint %s busy\n", name);
+ DBG("tracepoint %s busy", name);
return ERR_PTR(-EEXIST); /* Already there */
}
}
* Using kmalloc here to allocate a variable length element. Could
* cause some memory fragmentation if overused.
*/
- e = kmalloc(sizeof(struct tracepoint_entry) + name_len, GFP_KERNEL);
+ e = malloc(sizeof(struct tracepoint_entry) + name_len);
if (!e)
return ERR_PTR(-ENOMEM);
memcpy(&e->name[0], name, name_len);
static inline void remove_tracepoint(struct tracepoint_entry *e)
{
hlist_del(&e->hlist);
- kfree(e);
+ free(e);
}
/*
list_del(&pos->u.list);
//ust// call_rcu_sched(&pos->u.rcu, rcu_free_old_probes);
synchronize_rcu();
- kfree(pos);
+ free(pos);
}
}
//ust// EXPORT_SYMBOL_GPL(tracepoint_probe_update_all);
return 0;
}
-int tracepoint_unregister_lib(struct tracepoint *tracepoints_start, int tracepoints_count)
+int tracepoint_unregister_lib(struct tracepoint *tracepoints_start)
{
- /*FIXME: implement; but before implementing, tracepoint_register_lib must
- have appropriate locking. */
+ struct tracepoint_lib *lib;
+
+ mutex_lock(&tracepoints_mutex);
+
+ list_for_each_entry(lib, &libs, list) {
+ if(lib->tracepoints_start == tracepoints_start) {
+ struct tracepoint_lib *lib2free = lib;
+ list_del(&lib->list);
+ free(lib2free);
+ break;
+ }
+ }
+
+ mutex_unlock(&tracepoints_mutex);
return 0;
}