projects / mirror_zfs.git / blame
| Commit | Line | Data |
|---|---|---|
| a9125891 BB |
1 | dnl # |
| 2 | dnl # Enabled by default it provides a minimal level of memory tracking. | |
| 3 | dnl # A total count of bytes allocated is kept for each alloc and free. | |
| 4 | dnl # Then at module unload time a report to the console will be printed | |
| 5 | dnl # if memory was leaked. | |
| 6 | dnl # | |
| 7 | AC_DEFUN([SPL_AC_DEBUG_KMEM], [ | |
| 8 | AC_ARG_ENABLE([debug-kmem], | |
| 9 | [AS_HELP_STRING([--enable-debug-kmem], | |
| 10 | [Enable basic kmem accounting @<:@default=no@:>@])], | |
| 11 | [], | |
| 12 | [enable_debug_kmem=no]) | |
| 13 | ||
| 14 | AS_IF([test "x$enable_debug_kmem" = xyes], | |
| 15 | [ | |
| 16 | KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_KMEM" | |
| 17 | DEBUG_KMEM="_with_debug_kmem" | |
| 18 | AC_DEFINE([DEBUG_KMEM], [1], | |
| 19 | [Define to 1 to enable basic kmem accounting]) | |
| 20 | ], [ | |
| 21 | DEBUG_KMEM="_without_debug_kmem" | |
| 22 | ]) | |
| 23 | ||
| 24 | AC_SUBST(DEBUG_KMEM) | |
| 25 | AC_MSG_CHECKING([whether basic kmem accounting is enabled]) | |
| 26 | AC_MSG_RESULT([$enable_debug_kmem]) | |
| 27 | ]) | |
| 28 | ||
| 29 | dnl # | |
| 30 | dnl # Disabled by default it provides detailed memory tracking. This | |
| 31 | dnl # feature also requires --enable-debug-kmem to be set. When enabled | |
| 32 | dnl # not only will total bytes be tracked but also the location of every | |
| 33 | dnl # alloc and free. When the SPL module is unloaded a list of all leaked | |
| 34 | dnl # addresses and where they were allocated will be dumped to the console. | |
| 35 | dnl # Enabling this feature has a significant impact on performance but it | |
| 36 | dnl # makes finding memory leaks pretty straight forward. | |
| 37 | dnl # | |
| 38 | AC_DEFUN([SPL_AC_DEBUG_KMEM_TRACKING], [ | |
| 39 | AC_ARG_ENABLE([debug-kmem-tracking], | |
| 40 | [AS_HELP_STRING([--enable-debug-kmem-tracking], | |
| 41 | [Enable detailed kmem tracking @<:@default=no@:>@])], | |
| 42 | [], | |
| 43 | [enable_debug_kmem_tracking=no]) | |
| 44 | ||
| 45 | AS_IF([test "x$enable_debug_kmem_tracking" = xyes], | |
| 46 | [ | |
| 47 | KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG_KMEM_TRACKING" | |
| 48 | DEBUG_KMEM_TRACKING="_with_debug_kmem_tracking" | |
| 49 | AC_DEFINE([DEBUG_KMEM_TRACKING], [1], | |
| 50 | [Define to 1 to enable detailed kmem tracking]) | |
| 51 | ], [ | |
| 52 | DEBUG_KMEM_TRACKING="_without_debug_kmem_tracking" | |
| 53 | ]) | |
| 54 | ||
| 55 | AC_SUBST(DEBUG_KMEM_TRACKING) | |
| 56 | AC_MSG_CHECKING([whether detailed kmem tracking is enabled]) | |
| 57 | AC_MSG_RESULT([$enable_debug_kmem_tracking]) | |
| 58 | ]) |