Merge commit 'origin/master' into pr4225

* commit 'origin/master': (34 commits)
  PR5049: fix overbroad effects of naive "*" prefixing; instead use optional "*/" only.
  stap-serverd was incorectly determining that the server could
  stapprobes man page: clarify statement(NUM).absolute and process("path") searching
  PR5049: prefix with "*" any filenames given in "fn@filename:line" probes
  Indentation fix.
  Redirect stderr gets redircted so warnings don't let example script run fail.
  PR6835. io/io_submit.stp: Fix #! start. Convert to normal line-ending.
  PR2895. Add proper #! /usr/bin/env stap line. Make example scripts executable.
  Use INSTALL_PROGRAM, not INSTALL_DATA for executable .stp scripts.
  example index: only warn if old, do not regenerate
  Start/stop the systemtap server from systemtap.exp and not in the top level Makefile.
  Lower statement wildcard test matching threshold.
  Moved details of utrace detach to stap_utrace_detach().
  Saves thread vma information.
  Always generate examples indexes and install examples from srcdir.
  Refer to srcdir spec file Makefile so make rpm works when builddir != srcdir.
  Add index of subsystem and keywords at top of HTML indexes.
  Don't output output, exits, status line in indexes (mentioned in descriptions).
  Disable chmodding of samples/kmalloc-top in spec file since it isn't installed.
  Make sure examples indexes are always generated in builddir.
  ...

1 files changed, 18 insertions, 0 deletions

diff --git a/testsuite/systemtap.examples/process/futexes.txt b/testsuite/systemtap.examples/process/futexes.txt
new file mode 100644
index 00000000..51de4352
--- /dev/null
+++ b/testsuite/systemtap.examples/process/futexes.txt
@@ -0,0 +1,18 @@
+From: http://sourceware.org/systemtap/wiki/WSFutexContention
+
+# stap futexes.stp
+^C
+liferea-bin[3613] lock 0x0a117340 contended 1 times, 71 avg us
+java_vm[8155] lock 0x09baa45c contended 9 times, 1004013 avg us
+java_vm[8155] lock 0x09d6f9ac contended 186 times, 55964 avg us
+xmms[16738] lock 0xbfe29eec contended 777 times, 69 avg us
+xmms[16738] lock 0xbfe29ecc contended 119 times, 64 avg us
+xmms[16738] lock 0xbfe29ebc contended 111 times, 68 avg us
+xmms[16738] lock 0xbfe29ef0 contended 742 times, 91 avg us
+xmms[16738] lock 0xbfe29ed0 contended 107 times, 101 avg us
+xmms[16738] lock 0xbfe29ec0 contended 107 times, 74 avg us
+firefox-bin[21801] lock 0x096d16f4 contended 24 times, 12 avg us
+firefox-bin[21801] lock 0x096d1198 contended 2 times, 4 avg us
+firefox-bin[21801] lock 0x096d16f8 contended 150 times, 64997 avg us
+named[23869] lock 0x41ab0b84 contended 1 times, 131 avg us
+named[23869] lock 0x41ab0b50 contended 1 times, 26 avg us