X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=libust%2Ftracer.h;h=e61348250ff6de9d685fd77bc8dde8182b46e4fd;hb=223f2e7ce070406f507856fa8f0de508d8a05ad3;hp=5d226cd63b8dbb46a85dad4c047c170afa48787b;hpb=8c36d1ee4e2c77783f6edfdd49f2d812afdd3f67;p=ust.git

diff --git a/libust/tracer.h b/libust/tracer.h
index 5d226cd..e613482 100644
--- a/libust/tracer.h
+++ b/libust/tracer.h
@@ -26,12 +26,12 @@
 
 #include <sys/types.h>
 #include <stdarg.h>
-#include <ust/kernelcompat.h>
+#include <ust/marker.h>
+#include <ust/probe.h>
+#include <ust/core.h>
 #include "channels.h"
 #include "tracercore.h"
 #include "tracerconst.h"
-#include <ust/marker.h>
-#include <ust/probe.h>
 #include "buffers.h"
 
 /* Number of bytes to log with a read/write event */
@@ -86,6 +86,12 @@ enum ltt_channels {
 	LTT_CHANNEL_UST,
 };
 
+struct chan_info_struct {
+	const char *name;
+	unsigned int def_subbufsize;
+	unsigned int def_subbufcount;
+};
+
 struct ltt_active_marker {
 	struct list_head node;		/* active markers list */
 	const char *channel;
@@ -241,8 +247,7 @@ static __inline__ size_t ltt_subbuffer_header_size(void)
 	return offsetof(struct ltt_subbuffer_header, header_end);
 }
 
-extern size_t ltt_write_event_header_slow(struct ust_trace *trace,
-               struct ust_channel *channel,
+extern size_t ltt_write_event_header_slow(struct ust_channel *channel,
                struct ust_buffer *buf, long buf_offset,
                u16 eID, u32 event_size,
                u64 tsc, unsigned int rflags);
@@ -264,8 +269,7 @@ extern size_t ltt_write_event_header_slow(struct ust_trace *trace,
  *
  * returns : offset where the event data must be written.
  */
-static __inline__ size_t ltt_write_event_header(struct ust_trace *trace,
-		struct ust_channel *chan,
+static __inline__ size_t ltt_write_event_header(struct ust_channel *chan,
 		struct ust_buffer *buf, long buf_offset,
 		u16 eID, u32 event_size,
 		u64 tsc, unsigned int rflags)
@@ -283,7 +287,7 @@ static __inline__ size_t ltt_write_event_header(struct ust_trace *trace,
 	return buf_offset;
 
 slow_path:
-	return ltt_write_event_header_slow(trace, chan, buf, buf_offset,
+	return ltt_write_event_header_slow(chan, buf, buf_offset,
 				eID, event_size, tsc, rflags);
 }
 
@@ -317,7 +321,7 @@ slow_path:
 #define LTT_DEFAULT_N_SUBBUFS_HIGH	2
 #define LTT_TRACER_MAGIC_NUMBER		0x00D6B7ED
 #define LTT_TRACER_VERSION_MAJOR	2
-#define LTT_TRACER_VERSION_MINOR	5
+#define LTT_TRACER_VERSION_MINOR	6
 
 /**
  * ust_write_trace_header - Write trace header
@@ -338,6 +342,21 @@ static __inline__ void ltt_write_trace_header(struct ust_trace *trace,
 	header->freq_scale = trace->freq_scale;
 }
 
+static __inline__ int ust_get_cpu(void)
+{
+#ifndef UST_VALGRIND
+	return sched_getcpu();
+#else
+	/* Valgrind does not support the sched_getcpu() vsyscall.
+	 * It causes it to detect a segfault in the program and stop it.
+	 * So if we want to check libust with valgrind, we have to refrain
+	 * from using this call. TODO: it would probably be better to return
+	 * other values too, to better test it.
+	 */
+	return 0;
+#endif
+}
+
 
 /*
  * Size reserved for high priority events (interrupts, NMI, BH) at the end of a
@@ -385,7 +404,7 @@ extern int ltt_trace_set_channel_enable(const char *trace_name,
 extern int ltt_trace_set_channel_overwrite(const char *trace_name,
 		const char *channel_name, unsigned int overwrite);
 extern int ltt_trace_alloc(const char *trace_name);
-extern int ltt_trace_destroy(const char *trace_name);
+extern int ltt_trace_destroy(const char *trace_name, int drop);
 extern int ltt_trace_start(const char *trace_name);
 extern int ltt_trace_stop(const char *trace_name);