https://bugs.kde.org/show_bug.cgi?id=518565
Bug ID: 518565
Summary: "fn" must not be split in the output
Classification: Developer tools
Product: valgrind
Version First unspecified
Reported In:
Platform: Ubuntu
OS: Unspecified
Status: REPORTED
Severity: normal
Priority: NOR
Component: callgrind
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Currently, "fn" with the same name can be split in the output at shown below
(notice "fn=(784390)" duplicated).
When the both fn ouput parts are combined, the costs sums to the same,
however..
I am reporting this as a bug as:
- I do not see any reason callgring does this
- and callgrind does this randomly in large output (48 MiB)
If this is intended, please explain why, if not, please fix.
Command:
```
valgrind
--tool=callgrind
--dump-instr=yes
--collect-jumps=yes
--cache-sim=yes
--branch-sim=yes
--separate-callers=1000
--callgrind-out-file=$profileOut
--
cmd
```
Current output:
```
fn=(784390)
zend_string_equal_val'zend_hash_find'ZEND_FETCH_DIM_R_SPEC_TMPVAR_CV_HANDLER'execute_ex'zend_call_function'zend_call_known_function'zend_perform_class_autoload'zend_lookup_class_ex'zend_fetch_class_by_name'zend_do_link_class'zend_bind_class_in_slot'do_bind_class'ZEND_DECLARE_CLASS_SPEC_CONST_HANDLER'execute_ex'zend_call_function'zend_call_known_function'zend_perform_class_autoload'zend_lookup_class_ex'zend_fetch_class_by_name'zend_do_link_class'zend_bind_class_in_slot'do_bind_class'ZEND_DECLARE_CLASS_SPEC_CONST_HANDLER'execute_ex'zend_call_function'zend_call_known_function'zend_perform_class_autoload'zend_lookup_class_ex'zend_fetch_class_by_name'ZEND_NEW_SPEC_CONST_UNUSED_HANDLER'execute_ex'zend_generator_resume'zend_generator_iterator_move_forward'zend_fe_fetch_object_helper_SPEC'execute_ex'zend_execute'zend_execute_script'php_execute_script_ex'php_execute_script'main'(below
main)'__libc_start_main@@GLIBC_2.34'(below main)'0x000000000001f540
0x8050b0 391 2
+4 * 2
+4 +1 2 2
+4 * 2
+4 * 2
+4 * 2 0 2
cob=(5)
cfi=(192)
cfn=(784392)
0x00000000003108d0'zend_string_equal_val'zend_hash_find'ZEND_FETCH_DIM_R_SPEC_TMPVAR_CV_HANDLER'execute_ex'zend_call_function'zend_call_known_function'zend_perform_class_autoload'zend_lookup_class_ex'zend_fetch_class_by_name'zend_do_link_class'zend_bind_class_in_slot'do_bind_class'ZEND_DECLARE_CLASS_SPEC_CONST_HANDLER'execute_ex'zend_call_function'zend_call_known_function'zend_perform_class_autoload'zend_lookup_class_ex'zend_fetch_class_by_name'zend_do_link_class'zend_bind_class_in_slot'do_bind_class'ZEND_DECLARE_CLASS_SPEC_CONST_HANDLER'execute_ex'zend_call_function'zend_call_known_function'zend_perform_class_autoload'zend_lookup_class_ex'zend_fetch_class_by_name'ZEND_NEW_SPEC_CONST_UNUSED_HANDLER'execute_ex'zend_generator_resume'zend_generator_iterator_move_forward'zend_fe_fetch_object_helper_SPEC'execute_ex'zend_execute'zend_execute_script'php_execute_script_ex'php_execute_script'main'(below
main)'__libc_start_main@@GLIBC_2.34'(below main)'0x000000000001f540
calls=2 0x3108d0 0
* * 42 8 0 0 0 0 0 0 0 8 0 2 2
...
fn=(784390)
0x8050c9 392 2
+2 * 2
+3 +1 2
+4 * 2 2
```
Output of the same function from another output (same run, different output
dump/part):
```
fn=(784390)
zend_string_equal_val'zend_hash_find'ZEND_FETCH_DIM_R_SPEC_TMPVAR_CV_HANDLER'execute_ex'zend_call_function'zend_call_known_function'zend_perform_class_autoload'zend_lookup_class_ex'zend_fetch_class_by_name'zend_do_link_class'zend_bind_class_in_slot'do_bind_class'ZEND_DECLARE_CLASS_SPEC_CONST_HANDLER'execute_ex'zend_call_function'zend_call_known_function'zend_perform_class_autoload'zend_lookup_class_ex'zend_fetch_class_by_name'zend_do_link_class'zend_bind_class_in_slot'do_bind_class'ZEND_DECLARE_CLASS_SPEC_CONST_HANDLER'execute_ex'zend_call_function'zend_call_known_function'zend_perform_class_autoload'zend_lookup_class_ex'zend_fetch_class_by_name'ZEND_NEW_SPEC_CONST_UNUSED_HANDLER'execute_ex'zend_generator_resume'zend_generator_iterator_move_forward'zend_fe_fetch_object_helper_SPEC'execute_ex'zend_execute'zend_execute_script'php_execute_script_ex'php_execute_script'main'(below
main)'__libc_start_main@@GLIBC_2.34'(below main)'0x000000000001f540
0x8050b0 391 2
+4 * 2
+4 +1 2 2
+4 * 2
+4 * 2
+4 * 2 0 2
cob=(5)
cfi=(192)
cfn=(784392)
0x00000000003108d0'zend_string_equal_val'zend_hash_find'ZEND_FETCH_DIM_R_SPEC_TMPVAR_CV_HANDLER'execute_ex'zend_call_function'zend_call_known_function'zend_perform_class_autoload'zend_lookup_class_ex'zend_fetch_class_by_name'zend_do_link_class'zend_bind_class_in_slot'do_bind_class'ZEND_DECLARE_CLASS_SPEC_CONST_HANDLER'execute_ex'zend_call_function'zend_call_known_function'zend_perform_class_autoload'zend_lookup_class_ex'zend_fetch_class_by_name'zend_do_link_class'zend_bind_class_in_slot'do_bind_class'ZEND_DECLARE_CLASS_SPEC_CONST_HANDLER'execute_ex'zend_call_function'zend_call_known_function'zend_perform_class_autoload'zend_lookup_class_ex'zend_fetch_class_by_name'ZEND_NEW_SPEC_CONST_UNUSED_HANDLER'execute_ex'zend_generator_resume'zend_generator_iterator_move_forward'zend_fe_fetch_object_helper_SPEC'execute_ex'zend_execute'zend_execute_script'php_execute_script_ex'php_execute_script'main'(below
main)'__libc_start_main@@GLIBC_2.34'(below main)'0x000000000001f540
calls=2 0x3108d0 0
* * 42 8 0 0 0 0 0 0 0 8 0 2 2
+5 * 2
+2 * 2
+3 +1 2
+4 * 2 2
```
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