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From: <js...@ac...> - 2006-07-08 12:48:33
|
Nightly build on minnie ( SuSE 10.0, ppc32 ) started at 2006-07-13 09:00:01 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 == 206 tests, 11 stderr failures, 5 stdout failures, 0 posttest failures == memcheck/tests/leak-cycle (stderr) memcheck/tests/leak-tree (stderr) memcheck/tests/leakotron (stdout) memcheck/tests/mempool (stderr) memcheck/tests/pointer-trace (stderr) memcheck/tests/sigaltstack (stderr) memcheck/tests/xml1 (stderr) none/tests/faultstatus (stderr) none/tests/mremap (stderr) none/tests/ppc32/jm-fp (stdout) none/tests/ppc32/jm-fp (stderr) none/tests/ppc32/round (stdout) none/tests/ppc32/round (stderr) none/tests/ppc32/test_fx (stdout) none/tests/ppc32/test_fx (stderr) none/tests/ppc32/test_gx (stdout) |
|
From: <sv...@va...> - 2006-07-08 08:29:26
|
Author: njn
Date: 2006-07-08 09:29:20 +0100 (Sat, 08 Jul 2006)
New Revision: 5983
Log:
Trivial implementation for malloc_trim, thanks to Eero Tamminen.
Modified:
trunk/coregrind/m_replacemalloc/vg_replace_malloc.c
Modified: trunk/coregrind/m_replacemalloc/vg_replace_malloc.c
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
--- trunk/coregrind/m_replacemalloc/vg_replace_malloc.c 2006-07-06 01:54:=
34 UTC (rev 5982)
+++ trunk/coregrind/m_replacemalloc/vg_replace_malloc.c 2006-07-08 08:29:=
20 UTC (rev 5983)
@@ -358,6 +358,41 @@
MALLOPT(m_libc_dot_so_star, mallopt);
=20
=20
+// Documentation says:
+// malloc_trim(size_t pad);
+//=20
+// If possible, gives memory back to the system (via negative argument=
s to
+// sbrk) if there is unused memory at the `high' end of the malloc poo=
l.
+// You can call this after freeing large blocks of memory to potential=
ly
+// reduce the system-level memory requirements of a program. However, =
it
+// cannot guarantee to reduce memory. Under some allocation patterns,
+// some large free blocks of memory will be locked between two used
+// chunks, so they cannot be given back to the system.
+//=20
+// The `pad' argument to malloc_trim represents the amount of free
+// trailing space to leave untrimmed. If this argument is zero, only t=
he
+// minimum amount of memory to maintain internal data structures will =
be
+// left (one page or less). Non-zero arguments can be supplied to main=
tain
+// enough trailing space to service future expected allocations withou=
t
+// having to re-obtain memory from the system.
+//=20
+// Malloc_trim returns 1 if it actually released any memory, else 0. O=
n
+// systems that do not support "negative sbrks", it will always return=
0.=20
+//
+// For simplicity, we always return 0.
+#define MALLOC_TRIM(soname, fnname) \
+ \
+ int VG_REPLACE_FUNCTION_ZU(soname, fnname) ( SizeT pad ); \
+ int VG_REPLACE_FUNCTION_ZU(soname, fnname) ( SizeT pad ) \
+ { \
+ /* 0 denotes that malloc_trim() either wasn't able \
+ to do anything, or was not implemented */ \
+ return 0; \
+ }
+
+MALLOC_TRIM(m_libc_dot_so_star, malloc_trim);
+
+
#define POSIX_MEMALIGN(soname, fnname) \
\
int VG_REPLACE_FUNCTION_ZU(soname, fnname) ( void **memptr, \
@@ -427,7 +462,6 @@
=20
PANIC(m_libc_dot_so_star, pvalloc);
PANIC(m_libc_dot_so_star, malloc_stats);
-PANIC(m_libc_dot_so_star, malloc_trim);
PANIC(m_libc_dot_so_star, malloc_get_state);
PANIC(m_libc_dot_so_star, malloc_set_state);
=20
|
|
From: Tom H. <th...@cy...> - 2006-07-08 04:35:25
|
Nightly build on gill ( x86_64, Fedora Core 2 ) started at 2006-07-08 03:00:02 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 == 260 tests, 4 stderr failures, 1 stdout failure, 0 posttest failures == memcheck/tests/stack_switch (stderr) memcheck/tests/x86/scalar (stderr) memcheck/tests/x86/scalar_supp (stderr) none/tests/fdleak_fcntl (stderr) none/tests/tls (stdout) |
|
From: <js...@ac...> - 2006-07-08 02:58:58
|
Nightly build on phoenix ( SuSE 10.0 ) started at 2006-07-08 03:30:01 BST Checking out vex source tree ... done Building vex ... done Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 235 tests, 4 stderr failures, 0 stdout failures, 0 posttest failures == memcheck/tests/leak-tree (stderr) memcheck/tests/stack_switch (stderr) memcheck/tests/x86/scalar (stderr) memcheck/tests/x86/scalar_supp (stderr) |
|
From: Tom H. <th...@cy...> - 2006-07-08 02:55:33
|
Nightly build on ford ( i686, Fedora Core 4 ) started at 2006-07-08 03:25:05 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 == 235 tests, 5 stderr failures, 0 stdout failures, 0 posttest failures == memcheck/tests/leak-tree (stderr) memcheck/tests/pointer-trace (stderr) memcheck/tests/stack_switch (stderr) memcheck/tests/x86/scalar (stderr) memcheck/tests/x86/scalar_supp (stderr) |
|
From: Tom H. <to...@co...> - 2006-07-08 02:46:47
|
Nightly build on dunsmere ( athlon, Fedora Core 5 ) started at 2006-07-08 03:30:05 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 == 237 tests, 5 stderr failures, 0 stdout failures, 0 posttest failures == memcheck/tests/mempool (stderr) memcheck/tests/pointer-trace (stderr) memcheck/tests/stack_switch (stderr) memcheck/tests/x86/scalar (stderr) memcheck/tests/xml1 (stderr) |
|
From: Tom H. <th...@cy...> - 2006-07-08 02:25:45
|
Nightly build on dellow ( x86_64, Fedora Core 5 ) started at 2006-07-08 03:10:06 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 == 260 tests, 2 stderr failures, 0 stdout failures, 0 posttest failures == memcheck/tests/x86/scalar (stderr) memcheck/tests/xml1 (stderr) |