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From: Josef W. <Jos...@gm...> - 2008-09-22 13:52:46
|
On Tuesday 16 September 2008, Rodrigo Dominguez wrote: > Is someone working on modifying valgrind to run multithreaded programs > concurrently (without using the serializing semaphore)? Same as Nick: Not that I know of. > This would allow > valgrind to behave more similarly to the way the native application behaves. > If not, would this be an interesting project for contribution? You can approximate simultaneous execution better by choosing shorter scheduling time slices for the thread-serialization, perhaps even dynamic. But every thread switch has some overhead... Probably off-topic: to just get faster Valgrind runs, it is much better to not touch the core, but to parallize a tools tasks. Even this may prove difficult if there are many data dependencies among the needed tools actions for different threads. I suppose that (hardware) transactional memory would be very beneficial here, too. Josef > > > Thank you, > > > Rodrigo Dominguez > > |
|
From: <sv...@va...> - 2008-09-22 09:17:28
|
Author: sewardj
Date: 2008-09-22 10:17:03 +0100 (Mon, 22 Sep 2008)
New Revision: 8634
Log:
Move error management stuff out of hg_main.c into hg_errors.[ch].
Because the type XError references a lot of other types, this was
quite complex and involved moving some other code around too.
Also:
* fix algorithmic stupidity to do with reverse lookups in the
map_threads table. No need to do reverse lookups (Thread* to
ThreadId lookups) by visiting all table entries. Instead just store
the associated ThreadId in each Thread structure. Hence the
functions map_threads_{maybe_}reverse_lookup_SLOW is no longer slow.
* reduce the amount of debug printing caused by VTS and EvM
garbage collectin, in libhb_core.c.
Modified:
branches/YARD/helgrind/hg_basics.c
branches/YARD/helgrind/hg_basics.h
branches/YARD/helgrind/hg_errors.c
branches/YARD/helgrind/hg_errors.h
branches/YARD/helgrind/hg_lock_n_thread.c
branches/YARD/helgrind/hg_lock_n_thread.h
branches/YARD/helgrind/hg_main.c
branches/YARD/helgrind/hg_wordset.c
branches/YARD/helgrind/libhb_core.c
[... diff too large to include ...]
|
|
From: Tom H. <th...@cy...> - 2008-09-22 03:26:17
|
Nightly build on alvis ( i686, Red Hat 7.3 ) started at 2008-09-22 03:15:05 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 == 366 tests, 80 stderr failures, 2 stdout failures, 29 post failures == exp-ptrcheck/tests/bad_percentify (stderr) exp-ptrcheck/tests/base (stderr) exp-ptrcheck/tests/ccc (stderr) exp-ptrcheck/tests/fp (stderr) exp-ptrcheck/tests/globalerr (stderr) exp-ptrcheck/tests/hackedbz2 (stderr) exp-ptrcheck/tests/hp_bounds (stderr) exp-ptrcheck/tests/hp_dangle (stderr) exp-ptrcheck/tests/justify (stderr) exp-ptrcheck/tests/partial_bad (stderr) exp-ptrcheck/tests/partial_good (stderr) exp-ptrcheck/tests/pth_create (stderr) exp-ptrcheck/tests/pth_specific (stderr) exp-ptrcheck/tests/realloc (stderr) exp-ptrcheck/tests/stackerr (stderr) exp-ptrcheck/tests/strcpy (stderr) exp-ptrcheck/tests/supp (stderr) exp-ptrcheck/tests/tricky (stderr) exp-ptrcheck/tests/unaligned (stderr) exp-ptrcheck/tests/zero (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/hg06_readshared (stderr) helgrind/tests/tc01_simple_race (stderr) helgrind/tests/tc02_simple_tls (stderr) helgrind/tests/tc03_re_excl (stderr) helgrind/tests/tc05_simple_race (stderr) helgrind/tests/tc06_two_races (stderr) helgrind/tests/tc07_hbl1 (stderr) helgrind/tests/tc08_hbl2 (stderr) helgrind/tests/tc09_bad_unlock (stderr) helgrind/tests/tc11_XCHG (stderr) helgrind/tests/tc12_rwl_trivial (stderr) helgrind/tests/tc14_laog_dinphils (stderr) helgrind/tests/tc16_byterace (stderr) helgrind/tests/tc17_sembar (stderr) helgrind/tests/tc18_semabuse (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) helgrind/tests/tc24_nonzero_sem (stderr) massif/tests/alloc-fns-A (post) massif/tests/alloc-fns-B (post) massif/tests/basic (post) massif/tests/basic2 (post) massif/tests/big-alloc (post) massif/tests/culling1 (stderr) massif/tests/culling2 (stderr) massif/tests/custom_alloc (post) massif/tests/deep-A (post) massif/tests/deep-B (stderr) massif/tests/deep-B (post) massif/tests/deep-C (stderr) massif/tests/deep-C (post) massif/tests/deep-D (post) massif/tests/ignoring (post) massif/tests/insig (post) massif/tests/long-names (post) massif/tests/long-time (post) massif/tests/new-cpp (post) massif/tests/null (post) massif/tests/one (post) massif/tests/overloaded-new (post) massif/tests/peak (post) massif/tests/peak2 (stderr) massif/tests/peak2 (post) massif/tests/realloc (stderr) massif/tests/realloc (post) massif/tests/thresholds_0_0 (post) massif/tests/thresholds_0_10 (post) massif/tests/thresholds_10_0 (post) massif/tests/thresholds_10_10 (post) massif/tests/thresholds_5_0 (post) massif/tests/thresholds_5_10 (post) massif/tests/zero1 (post) massif/tests/zero2 (post) memcheck/tests/file_locking (stderr) memcheck/tests/leak-0 (stderr) memcheck/tests/leak-cycle (stderr) memcheck/tests/leak-regroot (stderr) memcheck/tests/leak-tree (stderr) memcheck/tests/long_namespace_xml (stderr) memcheck/tests/malloc_free_fill (stderr) memcheck/tests/origin1-yes (stderr) memcheck/tests/origin4-many (stderr) memcheck/tests/origin5-bz2 (stderr) memcheck/tests/pointer-trace (stderr) memcheck/tests/stack_changes (stderr) memcheck/tests/varinfo1 (stderr) memcheck/tests/varinfo2 (stderr) memcheck/tests/varinfo3 (stderr) memcheck/tests/varinfo4 (stderr) memcheck/tests/varinfo5 (stderr) memcheck/tests/varinfo6 (stderr) memcheck/tests/x86/bug152022 (stderr) memcheck/tests/x86/scalar (stderr) memcheck/tests/x86/scalar_supp (stderr) memcheck/tests/x86/xor-undef-x86 (stderr) memcheck/tests/xml1 (stderr) none/tests/blockfault (stderr) none/tests/cmdline2 (stdout) none/tests/mremap2 (stdout) none/tests/shell (stderr) none/tests/shell_valid1 (stderr) none/tests/shell_valid2 (stderr) none/tests/shell_valid3 (stderr) |
|
From: Tom H. <th...@cy...> - 2008-09-22 03:10:42
|
Nightly build on lloyd ( x86_64, Fedora 7 ) started at 2008-09-22 03:05:05 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 == 458 tests, 11 stderr failures, 3 stdout failures, 0 post failures == exp-ptrcheck/tests/base (stderr) exp-ptrcheck/tests/ccc (stderr) exp-ptrcheck/tests/pth_create (stderr) exp-ptrcheck/tests/pth_specific (stderr) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc22_exit_w_lock (stderr) memcheck/tests/file_locking (stderr) memcheck/tests/malloc_free_fill (stderr) memcheck/tests/pointer-trace (stderr) memcheck/tests/vcpu_fnfns (stdout) memcheck/tests/x86/scalar (stderr) none/tests/blockfault (stderr) none/tests/cmdline2 (stdout) none/tests/mremap2 (stdout) |
|
From: Tom H. <th...@cy...> - 2008-09-22 03:09:39
|
Nightly build on aston ( x86_64, Fedora Core 5 ) started at 2008-09-22 03:20:06 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 == 464 tests, 10 stderr failures, 3 stdout failures, 0 post failures == exp-ptrcheck/tests/base (stderr) exp-ptrcheck/tests/ccc (stderr) helgrind/tests/tc08_hbl2 (stdout) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc21_pthonce (stderr) helgrind/tests/tc22_exit_w_lock (stderr) memcheck/tests/file_locking (stderr) memcheck/tests/malloc_free_fill (stderr) memcheck/tests/pointer-trace (stderr) memcheck/tests/x86/scalar (stderr) none/tests/blockfault (stderr) none/tests/cmdline2 (stdout) none/tests/mremap2 (stdout) ================================================= == 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 == 464 tests, 10 stderr failures, 2 stdout failures, 0 post failures == exp-ptrcheck/tests/base (stderr) exp-ptrcheck/tests/ccc (stderr) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc21_pthonce (stderr) helgrind/tests/tc22_exit_w_lock (stderr) memcheck/tests/file_locking (stderr) memcheck/tests/malloc_free_fill (stderr) memcheck/tests/pointer-trace (stderr) memcheck/tests/x86/scalar (stderr) none/tests/blockfault (stderr) none/tests/cmdline2 (stdout) none/tests/mremap2 (stdout) ================================================= == Difference between 24 hours ago and now == ================================================= *** old.short Mon Sep 22 03:43:46 2008 --- new.short Mon Sep 22 04:09:29 2008 *************** *** 8,12 **** ! == 464 tests, 10 stderr failures, 2 stdout failures, 0 post failures == exp-ptrcheck/tests/base (stderr) exp-ptrcheck/tests/ccc (stderr) helgrind/tests/tc20_verifywrap (stderr) --- 8,13 ---- ! == 464 tests, 10 stderr failures, 3 stdout failures, 0 post failures == exp-ptrcheck/tests/base (stderr) exp-ptrcheck/tests/ccc (stderr) + helgrind/tests/tc08_hbl2 (stdout) helgrind/tests/tc20_verifywrap (stderr) |
|
From: Tom H. <th...@cy...> - 2008-09-22 02:49:08
|
Nightly build on trojan ( x86_64, Fedora Core 6 ) started at 2008-09-22 03:25:07 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 == 462 tests, 13 stderr failures, 5 stdout failures, 0 post failures == exp-ptrcheck/tests/ccc (stderr) exp-ptrcheck/tests/pth_create (stderr) exp-ptrcheck/tests/pth_specific (stderr) helgrind/tests/tc17_sembar (stderr) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc21_pthonce (stderr) helgrind/tests/tc22_exit_w_lock (stderr) memcheck/tests/file_locking (stderr) memcheck/tests/malloc_free_fill (stderr) 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/blockfault (stderr) none/tests/cmdline1 (stdout) none/tests/cmdline2 (stdout) none/tests/mremap2 (stdout) |
|
From: Tom H. <th...@cy...> - 2008-09-22 02:32:14
|
Nightly build on gill ( x86_64, Fedora Core 2 ) started at 2008-09-22 03:00:09 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 == 464 tests, 33 stderr failures, 4 stdout failures, 0 post failures == exp-ptrcheck/tests/ccc (stderr) exp-ptrcheck/tests/hackedbz2 (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) memcheck/tests/file_locking (stderr) 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/cmdline2 (stdout) 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) |