From: compudj <compudj@04897980-b3bd-0310-b5e0-8ef037075253>
Date: Tue, 7 Mar 2006 15:40:53 +0000 (+0000)
Subject: add usertrace-fast
X-Git-Tag: v0.12.20~1884
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=04180f7feb011f6757a7c257b0f2bb8ac756ad5a;p=lttv.git

add usertrace-fast

git-svn-id: http://ltt.polymtl.ca/svn@1605 04897980-b3bd-0310-b5e0-8ef037075253
---

diff --git a/usertrace-fast/ltt-usertrace-fast.c b/usertrace-fast/ltt-usertrace-fast.c
new file mode 100644
index 00000000..f910e069
--- /dev/null
+++ b/usertrace-fast/ltt-usertrace-fast.c
@@ -0,0 +1,77 @@
+
+/* LTTng user-space "fast" tracing code
+ *
+ * Copyright 2006 Mathieu Desnoyers
+ *
+ */
+
+
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <signal.h>
+#include <syscall.h>
+#include <features.h>
+#include <pthread.h>
+#include <malloc.h>
+#include <string.h>
+
+#include "ltt_usertrace.h"
+
+/* TLS for the trace buffer
+ * http://www.dis.com/gnu/gcc/C--98-Thread-Local-Edits.html
+ *
+ * Add after paragraph 4
+ *
+ *     The storage for an object of thread storage duration shall be statically
+ *     initialized before the first statement of the thread startup function. An
+ *     object of thread storage duration shall not require dynamic
+ *     initialization.
+ */
+
+__thread struct lttng_trace_info lttng_trace_info =
+{
+	.init = 0,
+	.filter = 0,
+	.nesting = ATOMIC_INIT(0),
+	.channel.facilities = 
+		{	ATOMIC_INIT(0),
+			ATOMIC_INIT(0),
+			ATOMIC_INIT(0),
+			ATOMIC_INIT(0)
+		},
+	.channel.cpu = 
+		{ ATOMIC_INIT(0),
+			ATOMIC_INIT(0),
+			ATOMIC_INIT(0),
+			ATOMIC_INIT(0)
+		},
+};
+
+
+static void ltt_cleanup_thread(void *arg)
+{
+	/* Flush the data in the lttng_trace_info */
+
+}
+
+
+void ltt_thread_init(void)
+{
+	_pthread_cleanup_push(&lttng_trace_info.cleanup,
+			ltt_cleanup_thread, NULL);
+}
+
+
+void __attribute__((constructor)) __ltt_usertrace_fast_init(void)
+{
+	int err;
+
+  printf("LTTng usertrace-fast init\n");
+
+
+
+}
+
diff --git a/usertrace-fast/ltt-usertrace-fast.h b/usertrace-fast/ltt-usertrace-fast.h
new file mode 100644
index 00000000..a740a832
--- /dev/null
+++ b/usertrace-fast/ltt-usertrace-fast.h
@@ -0,0 +1,46 @@
+
+/* LTTng user-space "fast" tracing header
+ *
+ * Copyright 2006 Mathieu Desnoyers
+ *
+ */
+
+#ifndef _LTT_USERTRACE_FAST_H
+#define _LTT_USERTRACE_FAST_H
+
+#include <errno.h>
+#include <asm/atomic.h>
+
+#ifndef	LTT_BUF_SIZE_CPU
+#define LTT_BUF_SIZE_CPU 1048576
+#endif //LTT_BUF_SIZE_CPU
+
+#ifndef	LTT_BUF_SIZE_FACILITIES
+#define LTT_BUF_SIZE_FACILITIES 4096
+#endif //LTT_BUF_SIZE_FACILITIES
+
+struct ltt_buf {
+	atomic_t	offset;
+	atomic_t	reserve_count;
+	atomic_t	commit_count;
+
+	atomic_t	events_lost;
+};
+
+struct lttng_trace_info {
+	struct _pthread_cleanup_buffer cleanup;
+	int filter;
+	atomic_t nesting;
+	struct {
+		struct ltt_buf facilities;
+		char facilities_buf[LTT_BUF_SIZE_FACILITIES] __attribute__ ((aligned (8)));
+		struct ltt_buf cpu;
+		char cpu_buf[LTT_BUF_SIZE_CPU] __attribute__ ((aligned (8)));
+	} channel;
+};
+
+extern __thread struct lttng_trace_info lttng_trace_info;
+
+void ltt_thread_init(void);
+
+#endif //_LTT_USERTRACE_FAST_H
diff --git a/usertrace-fast/lttng_usertrace.c b/usertrace-fast/lttng_usertrace.c
deleted file mode 100644
index 9b4b3036..00000000
--- a/usertrace-fast/lttng_usertrace.c
+++ /dev/null
@@ -1,77 +0,0 @@
-
-/* LTTng user-space tracing code
- *
- * Copyright 2006 Mathieu Desnoyers
- *
- */
-
-
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <signal.h>
-#include <syscall.h>
-#include <features.h>
-#include <pthread.h>
-#include <malloc.h>
-#include <string.h>
-
-#include "lttng_usertrace.h"
-
-/* TLS for the trace buffer
- * http://www.dis.com/gnu/gcc/C--98-Thread-Local-Edits.html
- *
- * Add after paragraph 4
- *
- *     The storage for an object of thread storage duration shall be statically
- *     initialized before the first statement of the thread startup function. An
- *     object of thread storage duration shall not require dynamic
- *     initialization.
- */
-
-__thread struct lttng_trace_info lttng_trace_info =
-{
-	.init = 0,
-	.filter = 0,
-	.nesting = ATOMIC_INIT(0),
-	.channel.facilities = 
-		{	ATOMIC_INIT(0),
-			ATOMIC_INIT(0),
-			ATOMIC_INIT(0),
-			ATOMIC_INIT(0)
-		},
-	.channel.cpu = 
-		{ ATOMIC_INIT(0),
-			ATOMIC_INIT(0),
-			ATOMIC_INIT(0),
-			ATOMIC_INIT(0)
-		},
-};
-
-
-static void ltt_cleanup_thread(void *arg)
-{
-	/* Flush the data in the lttng_trace_info */
-
-}
-
-
-void ltt_thread_init(void)
-{
-	_pthread_cleanup_push(&lttng_trace_info.cleanup,
-			ltt_cleanup_thread, NULL);
-}
-
-
-void __attribute__((constructor)) __lttng_user_init(void)
-{
-	int err;
-
-  printf("LTTng usertrace-fast init\n");
-
-
-
-}
-
diff --git a/usertrace-fast/lttng_usertrace.h b/usertrace-fast/lttng_usertrace.h
deleted file mode 100644
index 51d0767b..00000000
--- a/usertrace-fast/lttng_usertrace.h
+++ /dev/null
@@ -1,46 +0,0 @@
-
-/* LTTng user-space tracing header
- *
- * Copyright 2006 Mathieu Desnoyers
- *
- */
-
-#ifndef _LTTNG_USERTRACE_H
-#define _LTTNG_USERTRACE_H
-
-#include <errno.h>
-#include <asm/atomic.h>
-
-#ifndef	LTT_BUF_SIZE_CPU
-#define LTT_BUF_SIZE_CPU 1048576
-#endif //LTT_BUF_SIZE_CPU
-
-#ifndef	LTT_BUF_SIZE_FACILITIES
-#define LTT_BUF_SIZE_FACILITIES 4096
-#endif //LTT_BUF_SIZE_FACILITIES
-
-struct ltt_buf {
-	atomic_t	offset;
-	atomic_t	reserve_count;
-	atomic_t	commit_count;
-
-	atomic_t	events_lost;
-};
-
-struct lttng_trace_info {
-	struct _pthread_cleanup_buffer cleanup;
-	int filter;
-	atomic_t nesting;
-	struct {
-		struct ltt_buf facilities;
-		char facilities_buf[LTT_BUF_SIZE_FACILITIES] __attribute__ ((aligned (8)));
-		struct ltt_buf cpu;
-		char cpu_buf[LTT_BUF_SIZE_CPU] __attribute__ ((aligned (8)));
-	} channel;
-};
-
-extern __thread struct lttng_trace_info lttng_trace_info;
-
-void ltt_thread_init(void);
-
-#endif //_LTTNG_USERTRACE_H