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From: <sv...@va...> - 2008-11-18 23:40:08
|
Author: sewardj
Date: 2008-11-18 23:40:00 +0000 (Tue, 18 Nov 2008)
New Revision: 8783
Log:
event_map_maybe_GC: handle corner case that was previously simply
asserted on: if all the entries in the event map are in the same
generation, then we have no LRU information at all with which to
decide which entries to discard. So in this case throw away half of
them randomly -- there's nothing better we can do.
Modified:
trunk/helgrind/libhb_core.c
Modified: trunk/helgrind/libhb_core.c
===================================================================
--- trunk/helgrind/libhb_core.c 2008-11-18 02:10:33 UTC (rev 8782)
+++ trunk/helgrind/libhb_core.c 2008-11-18 23:40:00 UTC (rev 8783)
@@ -3065,20 +3065,9 @@
}
VG_(doneIterFM)( genMap );
- if (VG_(clo_verbosity) > 1) {
- VG_(message)(Vg_DebugMsg,
- "libhb: EvM GC: delete generations %lu and below, "
- "retaining %lu entries",
- maxGen, retained );
- }
-
VG_(deleteFM)( genMap, NULL, NULL );
- /* If this fails, it means there's only one generation in the
- entire tree. So we're kind of in a bad situation, and need to
- do some stop-gap measure, such as randomly deleting half the
- entries. */
- tl_assert(retained < oldrefTreeN);
+ tl_assert(retained >= 0 && retained <= oldrefTreeN);
/* Now make up a big list of the oldrefTree entries we want to
delete. We can't simultaneously traverse the tree and delete
@@ -3087,12 +3076,49 @@
refs2del = VG_(newXA)( HG_(zalloc), "libhb.emmG.1",
HG_(free), sizeof(OldRef*) );
- VG_(OSetGen_ResetIter)( oldrefTree );
- while ( (oldref = VG_(OSetGen_Next)( oldrefTree )) ) {
- tl_assert(oldref->magic == OldRef_MAGIC);
- if (oldref->gen <= maxGen) {
- VG_(addToXA)( refs2del, &oldref );
+ if (retained < oldrefTreeN) {
+
+ /* This is the normal (expected) case. We discard any ref whose
+ generation number <= maxGen. */
+ VG_(OSetGen_ResetIter)( oldrefTree );
+ while ( (oldref = VG_(OSetGen_Next)( oldrefTree )) ) {
+ tl_assert(oldref->magic == OldRef_MAGIC);
+ if (oldref->gen <= maxGen) {
+ VG_(addToXA)( refs2del, &oldref );
+ }
}
+ if (VG_(clo_verbosity) > 1) {
+ VG_(message)(Vg_DebugMsg,
+ "libhb: EvM GC: delete generations %lu and below, "
+ "retaining %lu entries",
+ maxGen, retained );
+ }
+
+ } else {
+
+ static UInt rand_seed = 0; /* leave as static */
+
+ /* Degenerate case: there's only one generation in the entire
+ tree, so we need to have some other way of deciding which
+ refs to throw away. Just throw out half of them randomly. */
+ tl_assert(retained == oldrefTreeN);
+ VG_(OSetGen_ResetIter)( oldrefTree );
+ while ( (oldref = VG_(OSetGen_Next)( oldrefTree )) ) {
+ UInt n;
+ tl_assert(oldref->magic == OldRef_MAGIC);
+ n = VG_(random)( &rand_seed );
+ if ((n & 0xFFF) < 0x800) {
+ VG_(addToXA)( refs2del, &oldref );
+ retained--;
+ }
+ }
+ if (VG_(clo_verbosity) > 1) {
+ VG_(message)(Vg_DebugMsg,
+ "libhb: EvM GC: randomly delete half the entries, "
+ "retaining %lu entries",
+ retained );
+ }
+
}
n2del = VG_(sizeXA)( refs2del );
|
|
From: Tom H. <th...@cy...> - 2008-11-18 04:15:14
|
Nightly build on alvis ( i686, Red Hat 7.3 ) started at 2008-11-18 03:15:03 GMT 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 == 376 tests, 91 stderr failures, 2 stdout failures, 29 post failures == drd/tests/bar_bad (stderr) drd/tests/bar_trivial (stdout) drd/tests/bar_trivial (stderr) 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/preen_invars (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/bar_bad (stderr) helgrind/tests/bar_trivial (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/pth_barrier1 (stderr) helgrind/tests/pth_barrier2 (stderr) helgrind/tests/pth_barrier3 (stderr) helgrind/tests/rwlock_race (stderr) helgrind/tests/rwlock_test (stderr) helgrind/tests/tc01_simple_race (stderr) helgrind/tests/tc02_simple_tls (stderr) helgrind/tests/tc03_re_excl (stderr) helgrind/tests/tc04_free_lock (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/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/mismatches (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/mremap2 (stdout) none/tests/shell (stderr) none/tests/shell_valid1 (stderr) none/tests/shell_valid2 (stderr) none/tests/shell_valid3 (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 == 374 tests, 89 stderr failures, 1 stdout failure, 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/preen_invars (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/bar_bad (stderr) helgrind/tests/bar_trivial (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/pth_barrier1 (stderr) helgrind/tests/pth_barrier2 (stderr) helgrind/tests/pth_barrier3 (stderr) helgrind/tests/rwlock_race (stderr) helgrind/tests/rwlock_test (stderr) helgrind/tests/tc01_simple_race (stderr) helgrind/tests/tc02_simple_tls (stderr) helgrind/tests/tc03_re_excl (stderr) helgrind/tests/tc04_free_lock (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/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/mismatches (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/mremap2 (stdout) none/tests/shell (stderr) none/tests/shell_valid1 (stderr) none/tests/shell_valid2 (stderr) none/tests/shell_valid3 (stderr) ================================================= == Difference between 24 hours ago and now == ================================================= *** old.short Tue Nov 18 03:47:24 2008 --- new.short Tue Nov 18 04:15:08 2008 *************** *** 8,10 **** ! == 374 tests, 89 stderr failures, 1 stdout failure, 29 post failures == exp-ptrcheck/tests/bad_percentify (stderr) --- 8,13 ---- ! == 376 tests, 91 stderr failures, 2 stdout failures, 29 post failures == ! drd/tests/bar_bad (stderr) ! drd/tests/bar_trivial (stdout) ! drd/tests/bar_trivial (stderr) exp-ptrcheck/tests/bad_percentify (stderr) |
|
From: Tom H. <th...@cy...> - 2008-11-18 04:01:30
|
Nightly build on lloyd ( x86_64, Fedora 7 ) started at 2008-11-18 03:05:06 GMT 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 == 471 tests, 23 stderr failures, 0 stdout failures, 0 post failures == exp-ptrcheck/tests/base (stderr) exp-ptrcheck/tests/ccc (stderr) exp-ptrcheck/tests/preen_invars (stderr) exp-ptrcheck/tests/pth_create (stderr) exp-ptrcheck/tests/pth_specific (stderr) helgrind/tests/hg03_inherit (stderr) helgrind/tests/hg04_race (stderr) helgrind/tests/hg05_race2 (stderr) helgrind/tests/pth_barrier1 (stderr) helgrind/tests/pth_barrier2 (stderr) helgrind/tests/pth_barrier3 (stderr) helgrind/tests/rwlock_race (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/tc16_byterace (stderr) helgrind/tests/tc19_shadowmem (stderr) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc21_pthonce (stderr) helgrind/tests/tc22_exit_w_lock (stderr) memcheck/tests/x86/scalar (stderr) none/tests/blockfault (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 == 469 tests, 23 stderr failures, 0 stdout failures, 0 post failures == exp-ptrcheck/tests/base (stderr) exp-ptrcheck/tests/ccc (stderr) exp-ptrcheck/tests/preen_invars (stderr) exp-ptrcheck/tests/pth_create (stderr) exp-ptrcheck/tests/pth_specific (stderr) helgrind/tests/hg03_inherit (stderr) helgrind/tests/hg04_race (stderr) helgrind/tests/hg05_race2 (stderr) helgrind/tests/pth_barrier1 (stderr) helgrind/tests/pth_barrier2 (stderr) helgrind/tests/pth_barrier3 (stderr) helgrind/tests/rwlock_race (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/tc16_byterace (stderr) helgrind/tests/tc19_shadowmem (stderr) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc21_pthonce (stderr) helgrind/tests/tc22_exit_w_lock (stderr) memcheck/tests/x86/scalar (stderr) none/tests/blockfault (stderr) ================================================= == Difference between 24 hours ago and now == ================================================= *** old.short Tue Nov 18 03:30:05 2008 --- new.short Tue Nov 18 04:01:21 2008 *************** *** 8,10 **** ! == 469 tests, 23 stderr failures, 0 stdout failures, 0 post failures == exp-ptrcheck/tests/base (stderr) --- 8,10 ---- ! == 471 tests, 23 stderr failures, 0 stdout failures, 0 post failures == exp-ptrcheck/tests/base (stderr) |
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From: Tom H. <th...@cy...> - 2008-11-18 03:52:45
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Nightly build on trojan ( x86_64, Fedora Core 6 ) started at 2008-11-18 03:25:07 GMT 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 == 475 tests, 23 stderr failures, 4 stdout failures, 0 post failures == exp-ptrcheck/tests/ccc (stderr) exp-ptrcheck/tests/preen_invars (stderr) exp-ptrcheck/tests/pth_create (stderr) exp-ptrcheck/tests/pth_specific (stderr) helgrind/tests/hg03_inherit (stderr) helgrind/tests/hg04_race (stderr) helgrind/tests/hg05_race2 (stderr) helgrind/tests/pth_barrier1 (stderr) helgrind/tests/pth_barrier2 (stderr) helgrind/tests/pth_barrier3 (stderr) helgrind/tests/rwlock_race (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/tc16_byterace (stderr) helgrind/tests/tc19_shadowmem (stderr) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc21_pthonce (stderr) helgrind/tests/tc22_exit_w_lock (stderr) 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) ================================================= == 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 == 473 tests, 23 stderr failures, 4 stdout failures, 0 post failures == exp-ptrcheck/tests/ccc (stderr) exp-ptrcheck/tests/preen_invars (stderr) exp-ptrcheck/tests/pth_create (stderr) exp-ptrcheck/tests/pth_specific (stderr) helgrind/tests/hg03_inherit (stderr) helgrind/tests/hg04_race (stderr) helgrind/tests/hg05_race2 (stderr) helgrind/tests/pth_barrier1 (stderr) helgrind/tests/pth_barrier2 (stderr) helgrind/tests/pth_barrier3 (stderr) helgrind/tests/rwlock_race (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/tc16_byterace (stderr) helgrind/tests/tc19_shadowmem (stderr) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc21_pthonce (stderr) helgrind/tests/tc22_exit_w_lock (stderr) 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) ================================================= == Difference between 24 hours ago and now == ================================================= *** old.short Tue Nov 18 03:36:28 2008 --- new.short Tue Nov 18 03:52:36 2008 *************** *** 8,10 **** ! == 473 tests, 23 stderr failures, 4 stdout failures, 0 post failures == exp-ptrcheck/tests/ccc (stderr) --- 8,10 ---- ! == 475 tests, 23 stderr failures, 4 stdout failures, 0 post failures == exp-ptrcheck/tests/ccc (stderr) |
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From: Tom H. <th...@cy...> - 2008-11-18 03:33:39
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Nightly build on gill ( x86_64, Fedora Core 2 ) started at 2008-11-18 03:00:02 GMT 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 == 477 tests, 37 stderr failures, 3 stdout failures, 0 post failures == exp-ptrcheck/tests/ccc (stderr) exp-ptrcheck/tests/hackedbz2 (stderr) helgrind/tests/bar_bad (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/pth_barrier1 (stderr) helgrind/tests/pth_barrier2 (stderr) helgrind/tests/pth_barrier3 (stderr) helgrind/tests/rwlock_race (stderr) helgrind/tests/rwlock_test (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/malloc_free_fill (stderr) memcheck/tests/origin5-bz2 (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) ================================================= == 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 == 475 tests, 38 stderr failures, 3 stdout failures, 0 post failures == drd/tests/pth_cancel_locked (stderr) exp-ptrcheck/tests/ccc (stderr) exp-ptrcheck/tests/hackedbz2 (stderr) helgrind/tests/bar_bad (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/pth_barrier1 (stderr) helgrind/tests/pth_barrier2 (stderr) helgrind/tests/pth_barrier3 (stderr) helgrind/tests/rwlock_race (stderr) helgrind/tests/rwlock_test (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/malloc_free_fill (stderr) memcheck/tests/origin5-bz2 (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) ================================================= == Difference between 24 hours ago and now == ================================================= *** old.short Tue Nov 18 03:14:26 2008 --- new.short Tue Nov 18 03:33:32 2008 *************** *** 8,11 **** ! == 475 tests, 38 stderr failures, 3 stdout failures, 0 post failures == ! drd/tests/pth_cancel_locked (stderr) exp-ptrcheck/tests/ccc (stderr) --- 8,10 ---- ! == 477 tests, 37 stderr failures, 3 stdout failures, 0 post failures == exp-ptrcheck/tests/ccc (stderr) |
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From: MIAO洪波 <abc...@ho...> - 2008-11-18 03:17:16
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Hi: These days, i was puzzled by memory leak when i used valgrind to check qt GUI application. Because there were not many available materials to explain why there was memory leak in qt(i meaned the qt GUI). So, i send this mail for getting help.Here was a simple example.source code:#include <QWidget>#include <QApplication>int main(int argc, char* argv[]){ QApplication app(argc, argv); QWidget widget; widget.show(); return app.exec();}after i compiled it. i typed command "valgrind --tool=memcheck --leak-check=full ./test" in terminal.Then, i got the folloing result:==7729== ERROR SUMMARY: 22 errors from 10 contexts (suppressed: 35 from 1)==7729== malloc/free: in use at exit: 22,222 bytes in 322 blocks.==7729== malloc/free: 3,681 allocs, 3,359 frees, 3,713,807 bytes allocated.==7729== For counts of detected errors, rerun with: -v==7729== searching for pointers to 322 not-freed blocks.==7729== checked 401,848 bytes.==7729====7729====7729== 420 (28 direct, 392 indirect) bytes in 1 blocks are definitely lost in loss record 14 of 24==7729== at 0x401D96E: realloc (vg_replace_malloc.c:429)==7729== by 0x49DC4D3: (within /usr/lib/libX11.so.6.2.0)==7729== by 0x49DCF3B: (within /usr/lib/libX11.so.6.2.0)==7729== by 0x49DEC97: _XlcCreateLC (in /usr/lib/libX11.so.6.2.0)==7729== by 0x4A00929: _XlcUtf8Loader (in /usr/lib/libX11.so.6.2.0)==7729== by 0x49E57AE: _XOpenLC (in /usr/lib/libX11.so.6.2.0)==7729== by 0x49E589D: _XrmInitParseInfo (in /usr/lib/libX11.so.6.2.0)==7729== by 0x49CF4C0: (within /usr/lib/libX11.so.6.2.0)==7729== by 0x49D0FE7: XrmGetStringDatabase (in /usr/lib/libX11.so.6.2.0)==7729== by 0x49AA863: XGetDefault (in /usr/lib/libX11.so.6.2.0)==7729== by 0x545237C: _XcursorGetDisplayInfo (in /usr/lib/libXcursor.so.1.0. 2)==7729== by 0x54525FC: XcursorSupportsARGB (in /usr/lib/libXcursor.so.1.0.2)==7729====7729== LEAK SUMMARY:==7729== definitely lost: 28 bytes in 1 blocks.==7729== indirectly lost: 392 bytes in 14 blocks.==7729== possibly lost: 0 bytes in 0 blocks.==7729== still reachable: 21,802 bytes in 307 blocks.==7729== suppressed: 0 bytes in 0 blocks.==7729== Reachable blocks (those to which a pointer was found) are not shown.==7729== To see them, rerun with: --leak-check=full --show-reachable=yesfrom summary, i got known that the app has lost 28 bytes memory.I did not know why? and i was hungering for getting your help.Thanks, best wishes. From: abc...@ho...^_^
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From: <sv...@va...> - 2008-11-18 02:10:45
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Author: sewardj Date: 2008-11-18 02:10:33 +0000 (Tue, 18 Nov 2008) New Revision: 8782 Log: A couple of 'make dist' fixes. Modified: trunk/helgrind/Makefile.am trunk/memcheck/tests/Makefile.am Modified: trunk/helgrind/Makefile.am =================================================================== --- trunk/helgrind/Makefile.am 2008-11-17 18:22:10 UTC (rev 8781) +++ trunk/helgrind/Makefile.am 2008-11-18 02:10:33 UTC (rev 8782) @@ -121,6 +121,7 @@ hginclude_HEADERS = helgrind.h noinst_HEADERS = \ - hg_basics.h hg_lock_n_thread.h hg_errors.h hg_wordset.h + hg_basics.h hg_lock_n_thread.h hg_errors.h hg_wordset.h \ + libhb.h EXTRA_DIST = README_MSMProp2.txt README_YARD.txt Modified: trunk/memcheck/tests/Makefile.am =================================================================== --- trunk/memcheck/tests/Makefile.am 2008-11-17 18:22:10 UTC (rev 8781) +++ trunk/memcheck/tests/Makefile.am 2008-11-18 02:10:33 UTC (rev 8782) @@ -20,7 +20,7 @@ noinst_SCRIPTS = filter_allocs filter_leak_check_size \ filter_stderr filter_stderr_backtrace filter_xml \ - filter_varinfo3 + filter_varinfo3 filter_malloc_free_fill EXTRA_DIST = $(noinst_SCRIPTS) \ addressable.stderr.exp addressable.stdout.exp addressable.vgtest \ |