Hi,
I've been trying to use profiling with mono to look at the performance of
our application. (We have an F# application that runs pretty fast on Windows
but is extremely slow on Linux or Mac OS X). I have tried a few different
invocations of profiling, the last one being:
mono --profile=default:stat .....
On Linux, I some output but none is about my code and mono says 0 methods
compiled and 0 calls made. The following is mono's output.
prof counts: total/unmanaged: 182/175
11 6.08 % mono(mono_local_cprop
9 4.97 % mono(mono_method_to_ir
8 4.42 % mono(mono_local_regalloc
7 3.87 % /lib64/libc.so.6(memset
6 3.31 % mono(mono_local_deadce
5 2.76 % /lib64/libc.so.6(_int_malloc
5 2.76 % mono(mono_generic_inst_equal_full
5 2.76 % mono(mono_handle_global_vregs
4 2.21 % mono(mono_spill_global_vars
4 2.21 % /lib64/libc.so.6(bsearch
4 2.21 % mono(lookup_internal
4 2.21 % /lib64/libpthread.so.0(write
4 2.21 % /lib64/libpthread.so.0(pthread_mutex_lock
4 2.21 % mono(mono_peephole_ins
4 2.21 % /lib64/libglib-2.0.so.0(g_hash_table_lookup
4 2.21 % mono(mono_metadata_decode_row
4 2.21 % mono(get_method_token
3 1.66 % mono(mono_type_equal
3 1.66 % /lib64/libpthread.so.0(__pthread_mutex_unlock_usercnt
3 1.66 % /lib64/libglib-2.0.so.0(g_str_hash
2 1.10 % /lib64/libglib-2.0.so.0(g_slice_free_chain_with_offset
2 1.10 % /lib64/libc.so.6(__libc_calloc
2 1.10 % mono(mono_mempool_alloc
2 1.10 % mono(mono_class_init
2 1.10 % /lib64/libc.so.6(strcmp
2 1.10 % mono(mono_optimize_branches
2 1.10 % mono(mono_metadata_type_hash
2 1.10 % mono(get_hazardous_pointer
2 1.10 % mono(set_vreg_to_inst
2 1.10 % mono(table_locator
2 1.10 % /lib64/libc.so.6(__libc_malloc
2 1.10 % mono(mono_find_block_region
2 1.10 % mono(mono_arch_output_basic_block
2 1.10 % mono(do_mono_metadata_type_equal
2 1.10 % mono(get_basic_blocks
1 0.55 % /lib64/libglib-2.0.so.0(g_list_foreach
1 0.55 % mono(mono_if_conversion
1 0.55 % /lib64/libglib-2.0.so.0(g_list_insert_before
1 0.55 % mono(do_mono_metadata_parse_type
1 0.55 % mono(mono_codegen
1 0.55 % mono(get_call_info
1 0.55 % /lib64/libglib-2.0.so.0(g_realloc
1 0.55 % mono(GC_mark_from
1 0.55 % Mono.Xml2.XmlTextReader:ReadChar ()
1 0.55 % /lib64/libc.so.6(brk
1 0.55 % mono(find_method_icall
1 0.55 % mono(compute_dominators
1 0.55 % mono(move_basic_block_to_end
1 0.55 % mono(mono_metadata_parse_type_full
1 0.55 % mono(mono_loader_lock
1 0.55 % mono(emit_stloc_ir
1 0.55 % System.Configuration.PropertyInformationCollection:get_Item
(string)
1 0.55 % mono(g_direct_hash
1 0.55 % /lib64/libc.so.6(_int_free
1 0.55 % /lib64/libc.so.6(malloc_consolidate
1 0.55 % mono(inflate_generic_type
1 0.55 % System.Text.StringBuilder:Append (char)
1 0.55 % string:GetHashCode ()
1 0.55 % mono(check_call_signature
1 0.55 % mono(mono_metadata_decode_row_col
1 0.55 % /lib64/libglib-2.0.so.0(g_hash_table_insert
1 0.55 % mono(mono_get_method_from_token
1 0.55 % /lib64/libglib-2.0.so.0(g_atomic_int_exchange_and_add
1 0.55 % mono(mono_metadata_class_equal
1 0.55 % Mono.Globalization.Unicode.SimpleCollator:GetContraction
(string,int,int,Mono.Globalization.Unicode.Contraction[])
1 0.55 % mono(type_from_op
1 0.55 % mono(find_method_in_class
1 0.55 % mono(mono_varlist_sort
1 0.55 % mono(mono_decompose_vtype_opts
1 0.55 % /lib64/libglib-2.0.so.0(g_list_prepend
1 0.55 % mono(mono_metadata_string_heap
1 0.55 % /lib64/libc.so.6(_IO_old_init
1 0.55 % mono(mono_save_args
1 0.55 % mono(mono_object_new
1 0.55 % mono(mono_call_inst_add_outarg_reg
1 0.55 % mono(mono_class_vtable
1 0.55 % mono(mono_domain_get
1 0.55 % mono(mono_jit_compile_method
1 0.55 % mono(mono_metadata_parse_mh_full
1 0.55 % mono(setup_interface_offsets
1 0.55 % mono(mono_get_root_domain
1 0.55 % System.Text.StringBuilder:set_Length (int)
1 0.55 % mono(mono_analyze_liveness
1 0.55 % mono(emit_call_body
1 0.55 %
Total time spent compiling 0 methods (sec): 0
Total number of calls: 0
Allocation profiler
Total memory allocated: 0 KB
for this version of mono:
% mono -V
Mono JIT compiler version 2.4 (tarball Wed Jun 17 17:53:35 EDT 2009)
Copyright (C) 2002-2008 Novell, Inc and Contributors. www.mono-project.com
TLS: __thread
GC: Included Boehm (with typed GC)
SIGSEGV: altstack
Notifications: epoll
Architecture: amd64
Disabled: none
On Mac OS/X I get a SIGABRT:
**
ERROR:handles.c:497:_wapi_handle_new: assertion failed: (_wapi_has_shut_down
== FALSE)
** (Metrics.exe:7915): WARNING **: Thread 0x0 may have been prematurely
finalized
Stacktrace:
** (Metrics.exe:7915): WARNING **: Thread 0x0 may have been prematurely
finalized
** (Metrics.exe:7915): WARNING **: Thread 0x0 may have been prematurely
finalized
Native stacktrace:
0 mono 0x00081b29
mono_handle_native_sigsegv + 265
1 libSystem.B.dylib 0x93b5c2bb _sigtramp + 43
2 ??? 0xffffffff 0x0 + 4294967295
3 libSystem.B.dylib 0x93bd023a raise + 26
4 libSystem.B.dylib 0x93bdc679 abort + 73
5 libglib-2.0.0.dylib 0x00370e72 g_assertion_message +
258
6 libglib-2.0.0.dylib 0x003714e8
g_assertion_message_expr
+ 88
7 mono 0x0017ab82 _wapi_handle_new +
130
8 mono 0x001a04db
_wapi_thread_duplicate +
203
9 mono 0x0017a0e5 DuplicateHandle + 101
10 mono 0x00160d49 mono_thread_attach +
201
11 mono 0x0013aa06
mono_profiler_coverage_get + 3398
12 mono 0x00139926
mono_profiler_shutdown +
38
13 mono 0x0000b202 mini_cleanup + 66
14 mono 0x00065f96 mono_main + 5670
15 mono 0x00001776 start + 54
Debug info from gdb:
=================================================================
Got a SIGABRT while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================
Debug info from gdb:
=================================================================
Got a SIGABRT while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================
zsh: abort mono --profile=default:stat Metrics.exe --help
% mono -V
Mono JIT compiler version 2.4 (tarball Wed May 27 21:40:43 PDT 2009)
Copyright (C) 2002-2008 Novell, Inc and Contributors. www.mono-project.com
TLS: normal
GC: Included Boehm (with typed GC)
SIGSEGV: normal
Notification: Thread + polling
Architecture: x86
Disabled: none
How can I get profiling to work? The code was compiled on Windows using MS's
F# compiler (which does not work on mono right now).
Thanks for any help.
YA
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