Update kernel probes to more detailed match to kernel versions

[lttng-modules.git] / instrumentation / events / lttng-module / lock.h

diff --git a/instrumentation/events/lttng-module/lock.h b/instrumentation/events/lttng-module/lock.h
index e2c1c7a4a310792f5f687784a6da06b2a6e7e571..8c1389dfa65d96ce660fcbe0e7ec9a78014e4e77 100644 (file)
--- a/instrumentation/events/lttng-module/lock.h
+++ b/instrumentation/events/lttng-module/lock.h
@@ -1,5 +1,15 @@
+#include <linux/version.h>
+
 #undef TRACE_SYSTEM
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33))
 #define TRACE_SYSTEM lock
+#else
+#define TRACE_SYSTEM lockdep
+#define TRACE_INCLUDE_FILE lock
+#if defined(_TRACE_LOCKDEP_H)
+#define _TRACE_LOCK_H
+#endif
+#endif
 
 #if !defined(_TRACE_LOCK_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_LOCK_H
@@ -20,21 +30,31 @@ TRACE_EVENT(lock_acquire,
        TP_STRUCT__entry(
                __field(unsigned int, flags)
                __string(name, lock->name)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
                __field(void *, lockdep_addr)
+#endif
        ),
 
        TP_fast_assign(
                tp_assign(flags, (trylock ? 1 : 0) | (read ? 2 : 0))
                tp_strcpy(name, lock->name)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
                tp_assign(lockdep_addr, lock)
+#endif
        ),
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
        TP_printk("%p %s%s%s", __entry->lockdep_addr,
+#else
+       TP_printk("%s%s%s",
+#endif
                  (__entry->flags & 1) ? "try " : "",
                  (__entry->flags & 2) ? "read " : "",
                  __get_str(name))
 )
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
+
 DECLARE_EVENT_CLASS(lock,
 
        TP_PROTO(struct lockdep_map *lock, unsigned long ip),
@@ -78,6 +98,107 @@ DEFINE_EVENT(lock, lock_acquired,
 )
 
 #endif
+
+#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
+
+TRACE_EVENT(lock_release,
+
+       TP_PROTO(struct lockdep_map *lock, int nested, unsigned long ip),
+
+       TP_ARGS(lock, nested, ip),
+
+       TP_STRUCT__entry(
+               __string(       name,   lock->name      )
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
+               __field(        void *, lockdep_addr    )
+#endif
+       ),
+
+       TP_fast_assign(
+               tp_strcpy(name, lock->name)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
+               tp_assign(lockdep_addr, lock)
+#endif
+       ),
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
+       TP_printk("%p %s",  __entry->lockdep_addr, __get_str(name))
+#else
+       TP_printk("%s",  __get_str(name))
+#endif
+)
+
+#ifdef CONFIG_LOCK_STAT
+
+TRACE_EVENT(lock_contended,
+
+       TP_PROTO(struct lockdep_map *lock, unsigned long ip),
+
+       TP_ARGS(lock, ip),
+
+       TP_STRUCT__entry(
+               __string(       name,   lock->name      )
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
+               __field(        void *, lockdep_addr    )
+#endif
+       ),
+
+       TP_fast_assign(
+               tp_strcpy(name, lock->name)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
+               tp_assign(lockdep_addr, lock)
+#endif
+       ),
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
+       TP_printk("%p %s",  __entry->lockdep_addr, __get_str(name))
+#else
+       TP_printk("%s",  __get_str(name))
+#endif
+)
+
+TRACE_EVENT(lock_acquired,
+
+       TP_PROTO(struct lockdep_map *lock, unsigned long ip, s64 waittime),
+
+       TP_ARGS(lock, ip, waittime),
+
+       TP_STRUCT__entry(
+               __string(       name,   lock->name      )
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
+               __field(        s64,    wait_nsec       )
+               __field(        void *, lockdep_addr    )
+#else
+               __field(unsigned long, wait_usec)
+               __field(unsigned long, wait_nsec_rem)
+#endif
+       ),
+
+       TP_fast_assign(
+               tp_strcpy(name, lock->name)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
+               tp_assign(wait_nsec, waittime)
+               tp_assign(lockdep_addr, lock)
+#else
+               tp_assign(wait_usec, (unsigned long)waittime)
+               tp_assign(wait_nsec_rem, do_div(waittime, NSEC_PER_USEC))
+#endif
+       ),
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
+       TP_printk("%p %s (%llu ns)",  __entry->lockdep_addr,
+                 __get_str(name), __entry->wait_nsec)
+#else
+       TP_printk("%s (%lu.%03lu us)",
+                 __get_str(name),
+                 __entry->wait_usec, __entry->wait_nsec_rem)
+#endif
+)
+
+#endif
+
+#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) */
+
 #endif
 
 #endif /* _TRACE_LOCK_H */