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From: <sv...@va...> - 2008-06-12 15:20:38
|
Author: bart Date: 2008-06-12 16:20:42 +0100 (Thu, 12 Jun 2008) New Revision: 8227 Log: Started converting README.txt into drd-manual.xml. Added: trunk/exp-drd/docs/drd-manual.xml Modified: trunk/exp-drd/docs/Makefile.am Modified: trunk/exp-drd/docs/Makefile.am =================================================================== --- trunk/exp-drd/docs/Makefile.am 2008-06-12 13:50:40 UTC (rev 8226) +++ trunk/exp-drd/docs/Makefile.am 2008-06-12 15:20:42 UTC (rev 8227) @@ -1 +1 @@ -EXTRA_DIST = README.txt +EXTRA_DIST = drd-manual.xml Added: trunk/exp-drd/docs/drd-manual.xml =================================================================== --- trunk/exp-drd/docs/drd-manual.xml (rev 0) +++ trunk/exp-drd/docs/drd-manual.xml 2008-06-12 15:20:42 UTC (rev 8227) @@ -0,0 +1,125 @@ +<?xml version="1.0"?> <!-- -*- sgml -*- --> +<!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" + "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" +[ <!ENTITY % vg-entities SYSTEM "../../docs/xml/vg-entities.xml"> %vg-entities; ]> + + +<chapter id="drd-manual" xreflabel="DRD: a thread error detector"> + <title>DRD: a thread error detector</title> + +<para>To use this tool, you must specify +<computeroutput>--tool=exp-drd</computeroutput> +on the Valgrind command line.</para> + +<sect1 id="drd-manual.overview" xreflabel="Overview"> +<title>Overview</title> + +<para> +DRD is a Valgrind tool for detecting errors in multithreaded C and C++ +programs that use the POSIX threading primitives, also known as +pthreads. POSIX threads is the most widely available threading library +on Unix systems. +</para> + +<para> +The next section provides +<link linkend="drd-manual.multithreading"> +background information about multithreading</link>. +</para> + +<para> +DRD can detect two classes of errors, which are discussed in detail: +</para> + +<orderedlist> + <listitem> + <para><link linkend="drd-manual.api-checks"> + Misuses of the POSIX threads API.</link></para> + </listitem> + <listitem> + <para><link linkend="drd-manual.data-races"> + Data races -- accessing memory without adequate locking. + </link></para> + </listitem> +</orderedlist> + +<para>Then there is a +<link linkend="drd-manual.options">summary of command-line +options.</link> +</para> + +<para>Finally, there is a section about the current +<link linkend="drd-manual.limitations">limitations</link> +of DRD. +</para> + +</sect1> + + +<sect1 id="drd-manual.multithreading" xreflabel="Multithreading"> +<title>Multithreaded Programming</title> +</sect1> + + +<sect1 id="drd-manual.api-checks" xreflabel="API Checks"> +<title>Detected errors: Misuses of the POSIX threads API</title> +</sect1> + + +<sect1 id="drd-manual.data-races" xreflabel="Data Races"> +<title>Detected errors: Data Races</title> +</sect1> + + +<sect1 id="drd-manual.options" xreflabel="DRD Options"> +<title>DRD Options</title> + +<para>The following end-user options are available:</para> + +<!-- start of xi:include in the manpage --> +<variablelist id="drd.opts.list"> +</variablelist> +<!-- end of xi:include in the manpage --> + +<!-- start of xi:include in the manpage --> +<para>In addition, the following debugging options are available for +DRD:</para> +<variablelist id="drd.debugopts.list"> +</variablelist> +<!-- end of xi:include in the manpage --> + +</sect1> + +<sect1 id="drd-manual.limitations" xreflabel="Limitations"> +<title>DRD Limitations</title> + +<para>DRD currently has the following limitations:</para> + +<itemizedlist> + <listitem><para>DRD has only been tested on the Linux operating + system, and not on any of the other operating systems supported by + Valgrind.</para> + </listitem> + <listitem><para>Of the two POSIX threads implementations for Linux, + only the NPTL (Native POSIX Thread Library) is supported. The older + LinuxThreads library is not supported.</para> + </listitem> + <listitem><para>When running DRD on a PowerPC CPU, DRD will report + false positives on atomic operations. See also <ulink + url="http://bugs.kde.org/show_bug.cgi?id=162354">bug 162354</ulink>. + </para></listitem> + <listitem><para>DRD, just like memcheck, will refuse to + start on Linux distributions where all symbol information has been + removed from ld.so. This is e.g. the case for openSUSE 10.3 -- see + also <ulink + url="http://bugzilla.novell.com/show_bug.cgi?id=396197">bug 396197</ulink>. + </para></listitem> + <listitem><para>If you compile the DRD sourcecode yourself, you need + gcc 3.0 or later. gcc 2.95 is not supported.</para> + </listitem> + +</itemizedlist> + +</sect1> + +</chapter> |
|
From: Bart V. A. <bar...@gm...> - 2008-06-12 14:26:33
|
I found the following in file docs/xml/vg-entities.xml: <!-- valgrind release + version stuff --> <!ENTITY rel-type "Release"> <!ENTITY rel-version "3.3.0"> <!ENTITY rel-date "7 December 2007"> Apparently this information has not been updated for the 3.3.1 release ? Bart. |
|
From: <sv...@va...> - 2008-06-12 13:50:33
|
Author: bart Date: 2008-06-12 14:50:40 +0100 (Thu, 12 Jun 2008) New Revision: 8226 Log: Added results obtained with gcc 4.3.1. Modified: trunk/exp-drd/scripts/run-splash2 Modified: trunk/exp-drd/scripts/run-splash2 =================================================================== --- trunk/exp-drd/scripts/run-splash2 2008-06-12 13:49:49 UTC (rev 8225) +++ trunk/exp-drd/scripts/run-splash2 2008-06-12 13:50:40 UTC (rev 8226) @@ -62,24 +62,42 @@ # Results (-p4): native DRD DRD HG ITC ITC # time w/ filter w/ filter # ............................................................................ -# Cholesky 0.29 99 63 37 239 82 +# Cholesky 0.29 103 64 37 239 82 # FFT 0.19 65 32 556 90 41 -# LU, contiguous blocks 0.76 45 37 97 428 128 -# LU, non-contiguous blocks 0.80 52 45 59 428 128 -# Ocean, contiguous partitions 19.40 39 33 54 90 28 +# LU, contiguous blocks 0.76 44 36 97 428 128 +# LU, non-contiguous blocks 0.80 45 39 59 428 128 +# Ocean, contiguous partitions 19.40 39 32 54 90 28 # Ocean, non-continguous partns 0.29 26 29 53 90 28 -# Radiosity 3.11 224 61 58 485 163 +# Radiosity 3.11 223 61 58 485 163 # Radix 4.05 16 14 85 222 56 -# Raytrace 2.21 276 53 89 172 53 +# Raytrace 2.21 272 53 89 172 53 # Water-n2 0.17 176 33 52 189 39 # Water-sp 0.18 145 33 51 183 34 # ............................................................................ # Hardware: dual-core Intel Xeon 5130, 2.0 GHz, 4 MB L2 cache, 4 GB RAM. -# Software: Ubuntu 7.10 server, 64-bit, gcc 4.1.3. +# Software: Ubuntu 7.10 server, 64-bit, gcc 4.1.3, xload -update 1 running. ############################################################################## # Results (-p4): native DRD DRD HG ITC ITC # time w/ filter w/ filter # ............................................................................ +# Cholesky 0.29 89 64 37 239 82 +# FFT 0.19 50 32 556 90 41 +# LU, contiguous blocks 0.76 41 38 97 428 128 +# LU, non-contiguous blocks 0.80 49 47 59 428 128 +# Ocean, contiguous partitions 19.40 39 33 54 90 28 +# Ocean, non-continguous partns 0.29 25 29 53 90 28 +# Radiosity 3.11 164 60 58 485 163 +# Radix 4.05 16 14 85 222 56 +# Raytrace 2.21 169 56 89 172 53 +# Water-n2 0.17 118 32 52 189 39 +# Water-sp 0.18 94 33 51 183 34 +# ............................................................................ +# Hardware: dual-core Intel Xeon 5130, 2.0 GHz, 4 MB L2 cache, 4 GB RAM. +# Software: Ubuntu 7.10 server, 64-bit, gcc 4.3.1, xload -update 1 running. +############################################################################## +# Results (-p4): native DRD DRD HG ITC ITC +# time w/ filter w/ filter +# ............................................................................ # Cholesky 0.21 100 64 36 239 82 # FFT 0.12 100 38 224 90 41 # LU, contiguous blocks 0.57 58 50 96 428 128 |
|
From: <sv...@va...> - 2008-06-12 13:49:45
|
Author: bart Date: 2008-06-12 14:49:49 +0100 (Thu, 12 Jun 2008) New Revision: 8225 Log: Replaced gcc version 3.4.0 by 3.4.1. Set LC_ALL=C such that gcc's warning messages show up properly in emacs compile window. Modified: trunk/exp-drd/scripts/compile-gcc Modified: trunk/exp-drd/scripts/compile-gcc =================================================================== --- trunk/exp-drd/scripts/compile-gcc 2008-06-12 06:04:59 UTC (rev 8224) +++ trunk/exp-drd/scripts/compile-gcc 2008-06-12 13:49:49 UTC (rev 8225) @@ -6,7 +6,7 @@ # are called gmp-devel and mpfr-devel. -GCC_VERSION=4.3.0 +GCC_VERSION=4.3.1 FSF_MIRROR=ftp://ftp.easynet.be/gnu SRCDIR=$HOME/software DOWNLOADS=$SRCDIR/downloads @@ -14,6 +14,7 @@ BUILD=${SRC}-build TAR=gcc-${GCC_VERSION}.tar.bz2 PREFIX=$HOME/gcc-${GCC_VERSION} +export LC_ALL=C export MAKEFLAGS="-j$(($(grep -c '^processor' /proc/cpuinfo) + 1))" if [ ! -e /usr/include/gmp.h ]; then |
|
From: Bart V. A. <bar...@gm...> - 2008-06-12 13:11:55
|
On Wed, Jun 11, 2008 at 12:08 AM, Nicholas Nethercote <nj...@cs...> wrote: > On Mon, 9 Jun 2008 sv...@va... wrote: > >> Author: bart >> Date: 2008-06-09 16:08:22 +0100 (Mon, 09 Jun 2008) >> New Revision: 8207 >> >> Log: >> Commented out assert statements because of performance reasons. > > I suggest adding a comment above those #if statements explaining this. Good idea. By this time I have surrounded assert statements that were commented out because of performance reasons by #ifdef ENABLE_DRD_CONSISTENCY_CHECKS / #endif. Bart. |
|
From: Brian G. <sa...@ne...> - 2008-06-12 07:20:03
|
For those who like to read documentation on paper, the Valgrind manual
is now available as a printed book.
The details of the book are:
"Valgrind 3.3 - Advanced Debugging and Profiling for GNU/Linux
applications". Paperback (6"x9"), 164 pages, Retail Price $19.95
(12.95 GBP), ISBN 0-9546120-5-1.
It can be purchased from all major online bookstores. For more
information, see http://www.network-theory.co.uk/valgrind/manual/
For each copy sold, $1 will be donated to the Valgrind developers to
help support the project.
--
Brian Gough
Network Theory Ltd,
Publishing Free Software Manuals --- http://www.network-theory.co.uk/
|
|
From: <sv...@va...> - 2008-06-12 06:04:53
|
Author: bart
Date: 2008-06-12 07:04:59 +0100 (Thu, 12 Jun 2008)
New Revision: 8224
Log:
Disabled bitmap cache rotation optimization because not all gcc versions compile it correctly.
Modified:
trunk/exp-drd/drd_bitmap.h
Modified: trunk/exp-drd/drd_bitmap.h
===================================================================
--- trunk/exp-drd/drd_bitmap.h 2008-06-11 19:17:01 UTC (rev 8223)
+++ trunk/exp-drd/drd_bitmap.h 2008-06-12 06:04:59 UTC (rev 8224)
@@ -210,13 +210,11 @@
/** Rotate elements cache[0..n-1] such that the element at position n-1 is
* moved to position 0. This allows to speed up future cache lookups.
- *
- * @note Apparently gcc 4.2 compiles this code correctly, but gcc 4.1 not.
*/
static __inline__
void bm_cache_rotate(struct bm_cache_elem cache[], const int n)
{
-#if __GNUC__ >= 4 && __GNUC_MINOR__ >= 2
+#if 0
struct bm_cache_elem t;
tl_assert(2 <= n && n <= 8);
|
|
From: Tom H. <th...@cy...> - 2008-06-12 03:05:35
|
Nightly build on aston ( x86_64, Fedora Core 5 ) started at 2008-06-12 03:20:08 BST Results differ from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 437 tests, 8 stderr failures, 1 stdout failure, 0 post failures == memcheck/tests/malloc_free_fill (stderr) memcheck/tests/pointer-trace (stderr) memcheck/tests/x86/scalar (stderr) none/tests/blockfault (stderr) none/tests/mremap2 (stdout) helgrind/tests/tc17_sembar (stderr) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc21_pthonce (stderr) helgrind/tests/tc22_exit_w_lock (stderr) ================================================= == Results from 24 hours ago == ================================================= Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 437 tests, 6 stderr failures, 1 stdout failure, 0 post failures == memcheck/tests/malloc_free_fill (stderr) memcheck/tests/pointer-trace (stderr) memcheck/tests/x86/scalar (stderr) none/tests/blockfault (stderr) none/tests/mremap2 (stdout) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc22_exit_w_lock (stderr) ================================================= == Difference between 24 hours ago and now == ================================================= *** old.short Thu Jun 12 03:40:49 2008 --- new.short Thu Jun 12 04:05:39 2008 *************** *** 8,10 **** ! == 437 tests, 6 stderr failures, 1 stdout failure, 0 post failures == memcheck/tests/malloc_free_fill (stderr) --- 8,10 ---- ! == 437 tests, 8 stderr failures, 1 stdout failure, 0 post failures == memcheck/tests/malloc_free_fill (stderr) *************** *** 14,16 **** --- 14,18 ---- none/tests/mremap2 (stdout) + helgrind/tests/tc17_sembar (stderr) helgrind/tests/tc20_verifywrap (stderr) + helgrind/tests/tc21_pthonce (stderr) helgrind/tests/tc22_exit_w_lock (stderr) |
|
From: Tom H. <th...@cy...> - 2008-06-12 02:47:23
|
Nightly build on lloyd ( x86_64, Fedora 7 ) started at 2008-06-12 03:05:06 BST Results unchanged from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 431 tests, 4 stderr failures, 2 stdout failures, 0 post failures == memcheck/tests/pointer-trace (stderr) memcheck/tests/vcpu_fnfns (stdout) memcheck/tests/x86/scalar (stderr) none/tests/mremap2 (stdout) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc22_exit_w_lock (stderr) |
|
From: Tom H. <th...@cy...> - 2008-06-12 02:44:21
|
Nightly build on trojan ( x86_64, Fedora Core 6 ) started at 2008-06-12 03:25:04 BST Results differ from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 435 tests, 6 stderr failures, 5 stdout failures, 0 post failures == memcheck/tests/pointer-trace (stderr) memcheck/tests/vcpu_fnfns (stdout) memcheck/tests/x86/bug133694 (stdout) memcheck/tests/x86/bug133694 (stderr) memcheck/tests/x86/scalar (stderr) none/tests/cmdline1 (stdout) none/tests/cmdline2 (stdout) none/tests/mremap2 (stdout) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc21_pthonce (stderr) helgrind/tests/tc22_exit_w_lock (stderr) ================================================= == Results from 24 hours ago == ================================================= Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 435 tests, 7 stderr failures, 5 stdout failures, 0 post failures == memcheck/tests/pointer-trace (stderr) memcheck/tests/vcpu_fnfns (stdout) memcheck/tests/x86/bug133694 (stdout) memcheck/tests/x86/bug133694 (stderr) memcheck/tests/x86/scalar (stderr) none/tests/cmdline1 (stdout) none/tests/cmdline2 (stdout) none/tests/mremap2 (stdout) helgrind/tests/tc17_sembar (stderr) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc21_pthonce (stderr) helgrind/tests/tc22_exit_w_lock (stderr) ================================================= == Difference between 24 hours ago and now == ================================================= *** old.short Thu Jun 12 03:33:38 2008 --- new.short Thu Jun 12 03:44:25 2008 *************** *** 8,10 **** ! == 435 tests, 7 stderr failures, 5 stdout failures, 0 post failures == memcheck/tests/pointer-trace (stderr) --- 8,10 ---- ! == 435 tests, 6 stderr failures, 5 stdout failures, 0 post failures == memcheck/tests/pointer-trace (stderr) *************** *** 17,19 **** none/tests/mremap2 (stdout) - helgrind/tests/tc17_sembar (stderr) helgrind/tests/tc20_verifywrap (stderr) --- 17,18 ---- |
|
From: Tom H. <th...@cy...> - 2008-06-12 02:38:24
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Nightly build on dellow ( x86_64, Fedora 8 ) started at 2008-06-12 03:10:06 BST Results differ from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 431 tests, 8 stderr failures, 2 stdout failures, 0 post failures == memcheck/tests/pointer-trace (stderr) memcheck/tests/vcpu_fnfns (stdout) memcheck/tests/x86/scalar (stderr) none/tests/blockfault (stderr) none/tests/mremap2 (stdout) helgrind/tests/hg05_race2 (stderr) helgrind/tests/tc18_semabuse (stderr) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc21_pthonce (stderr) helgrind/tests/tc22_exit_w_lock (stderr) ================================================= == Results from 24 hours ago == ================================================= Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 431 tests, 7 stderr failures, 2 stdout failures, 0 post failures == memcheck/tests/pointer-trace (stderr) memcheck/tests/vcpu_fnfns (stdout) memcheck/tests/x86/scalar (stderr) none/tests/blockfault (stderr) none/tests/mremap2 (stdout) helgrind/tests/tc18_semabuse (stderr) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc21_pthonce (stderr) helgrind/tests/tc22_exit_w_lock (stderr) ================================================= == Difference between 24 hours ago and now == ================================================= *** old.short Thu Jun 12 03:24:39 2008 --- new.short Thu Jun 12 03:38:26 2008 *************** *** 8,10 **** ! == 431 tests, 7 stderr failures, 2 stdout failures, 0 post failures == memcheck/tests/pointer-trace (stderr) --- 8,10 ---- ! == 431 tests, 8 stderr failures, 2 stdout failures, 0 post failures == memcheck/tests/pointer-trace (stderr) *************** *** 14,15 **** --- 14,16 ---- none/tests/mremap2 (stdout) + helgrind/tests/hg05_race2 (stderr) helgrind/tests/tc18_semabuse (stderr) |
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From: Tom H. <th...@cy...> - 2008-06-12 02:24:03
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Nightly build on gill ( x86_64, Fedora Core 2 ) started at 2008-06-12 03:00:04 BST Results unchanged from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 437 tests, 30 stderr failures, 3 stdout failures, 0 post failures == memcheck/tests/malloc_free_fill (stderr) memcheck/tests/origin5-bz2 (stderr) memcheck/tests/pointer-trace (stderr) memcheck/tests/stack_switch (stderr) memcheck/tests/varinfo6 (stderr) memcheck/tests/x86/scalar (stderr) memcheck/tests/x86/scalar_supp (stderr) none/tests/amd64/insn_ssse3 (stdout) none/tests/amd64/insn_ssse3 (stderr) none/tests/amd64/ssse3_misaligned (stderr) none/tests/blockfault (stderr) none/tests/fdleak_fcntl (stderr) none/tests/mremap2 (stdout) none/tests/x86/insn_ssse3 (stdout) none/tests/x86/insn_ssse3 (stderr) none/tests/x86/ssse3_misaligned (stderr) helgrind/tests/hg01_all_ok (stderr) helgrind/tests/hg02_deadlock (stderr) helgrind/tests/hg03_inherit (stderr) helgrind/tests/hg04_race (stderr) helgrind/tests/hg05_race2 (stderr) helgrind/tests/tc01_simple_race (stderr) helgrind/tests/tc05_simple_race (stderr) helgrind/tests/tc06_two_races (stderr) helgrind/tests/tc09_bad_unlock (stderr) helgrind/tests/tc14_laog_dinphils (stderr) helgrind/tests/tc16_byterace (stderr) helgrind/tests/tc17_sembar (stderr) helgrind/tests/tc19_shadowmem (stderr) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc21_pthonce (stderr) helgrind/tests/tc22_exit_w_lock (stderr) helgrind/tests/tc23_bogus_condwait (stderr) |