Merge branch 'pan/dtrace' into maint

* pan/dtrace: (22 commits)
  Use distinct function-entry probes for local and global calls
  Correct calculation of stack depth in call/return probes
  Add probes for all kind of calls
  Don't try to "clean up" generated fun names
  erl_process.c: Fix probe for process exit
  Remove code causing dialyzer warning from prim_file
  Add documentation for dyntrace and system_info changes
  Update slogan and add system_info for dynamic trace
  Update README's for dtrace and systemtap
  Rename dyntrace BIFs to more suiting names
  If VM probes are not enabled, short-circuit calls to probe BIFs
  beam_makeops: Add a simple preprocessor
  Ifdef all dynamic trace code
  Move dtrace erlang code and NIF into runtime_tools
  Correct some errors in the user tag spreading
  Change to more specific configure options for dtrace
  Add user tag spreading functionality to VM and use in file
  Update dtrace for changes in R15
  Add DTrace support for OS X, Solaris, and Linux (via SystemTap), 4/4
  Add DTrace support for OS X, Solaris, and Linux (via SystemTap), 3/4
  ...

OTP-10017

1 files changed, 104 insertions, 0 deletions

diff --git a/lib/runtime_tools/examples/efile_drv.d b/lib/runtime_tools/examples/efile_drv.d
new file mode 100644
index 0000000000..085995ce58
--- /dev/null
+++ b/lib/runtime_tools/examples/efile_drv.d
@@ -0,0 +1,104 @@
+/* example usage: dtrace -q -s /path/to/efile_drv.d */
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Scott Lystig Fritchie 2011. All Rights Reserved.
+ *
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * %CopyrightEnd%
+ */
+
+BEGIN
+{
+    op_map[1] = "OPEN";
+    op_map[2] = "READ";
+    op_map[3] = "LSEEK";
+    op_map[4] = "WRITE";
+    op_map[5] = "FSTAT";
+    op_map[6] = "PWD";
+    op_map[7] = "READDIR";
+    op_map[8] = "CHDIR";
+    op_map[9] = "FSYNC";
+    op_map[10] = "MKDIR";
+    op_map[11] = "DELETE";
+    op_map[12] = "RENAME";
+    op_map[13] = "RMDIR";
+    op_map[14] = "TRUNCATE";
+    op_map[15] = "READ_FILE";
+    op_map[16] = "WRITE_INFO";
+    op_map[19] = "LSTAT";
+    op_map[20] = "READLINK";
+    op_map[21] = "LINK";
+    op_map[22] = "SYMLINK";
+    op_map[23] = "CLOSE";
+    op_map[24] = "PWRITEV";
+    op_map[25] = "PREADV";
+    op_map[26] = "SETOPT";
+    op_map[27] = "IPREAD";
+    op_map[28] = "ALTNAME";
+    op_map[29] = "READ_LINE";
+    op_map[30] = "FDATASYNC";
+    op_map[31] = "FADVISE";
+}
+
+erlang*:::aio_pool-add
+{
+    printf("async I/O pool port %s queue len %d\n", copyinstr(arg0), arg1);
+}
+
+erlang*:::aio_pool-get
+{
+    printf("async I/O pool port %s queue len %d\n", copyinstr(arg0), arg1);
+}
+
+erlang*:::efile_drv-entry
+{
+    printf("efile_drv enter tag={%d,%d} %s%s | %s (%d) | args: %s %s , %d %d (port %s)\n",
+	   arg0, arg1,
+           arg2 == NULL ? "" : "user tag ",
+           arg2 == NULL ? "" : copyinstr(arg2),
+           op_map[arg3], arg3,
+	   arg4 == NULL ? "" : copyinstr(arg4),
+	   arg5 == NULL ? "" : copyinstr(arg5), arg6, arg7,
+           /* NOTE: port name in args[10] is experimental */
+           (args[10] == NULL) ? 
+	       "?" : copyinstr((user_addr_t) args[10]));
+}
+
+erlang*:::efile_drv-int*
+{
+    printf("async I/O worker tag={%d,%d} | %s (%d) | %s\n",
+           arg0, arg1, op_map[arg2], arg2, probename);
+}
+
+/* efile_drv-return error case */
+erlang*:::efile_drv-return
+/arg4 == 0/
+{
+    printf("efile_drv return tag={%d,%d} %s%s | %s (%d) | errno %d\n",
+           arg0, arg1,
+           arg2 == NULL ? "" : "user tag ",
+           arg2 == NULL ? "" : copyinstr(arg2),
+           op_map[arg3], arg3,
+           arg5);
+}
+
+/* efile_drv-return success case */
+erlang*:::efile_drv-return
+/arg4 != 0/
+{
+    printf("efile_drv return tag={%d,%d} %s | %s (%d) ok\n",
+           arg0, arg1,
+           arg2 == NULL ? "" : copyinstr(arg2),
+           op_map[arg3], arg3);
+}