Outline functions can be created during feedback-optimized compilations. They are displayed as special index lines in the Source view and Disassembly view. In the Source view, an annotation is displayed in the block of code that has been converted into an outline function.
Function binsearchmod inlined from source file ptralias2.c into the
0. 0 . 58. if( binsearchmod( asize, &element ) ) {
0.240 0.240 59. if( key != (element << 1) ) {
0. 0. 60. error |= BINSEARCHMODPOSTESTFAILED;
<Function: main -- outline code from line 60 [_$o1B60.main]>
0.040 0.040 [ 61] break;
0. 0. 62. }
0. 0. 63. }
In the Disassembly view, the outline functions are typically displayed at the end of the file.
<Function: main -- outline code from line 85 [_$o1D85.main]>
0. 0. [ 85] 100001034: sethi %hi(0x100000), %i5
0. 0. [ 86] 100001038: bset 4, %i3
0. 0. [ 85] 10000103c: or %i5, 1, %l7
0. 0. [ 85] 100001040: sllx %l7, 12, %l5
0. 0. [ 85] 100001044: call printf ! 0x100101300
0. 0. [ 85] 100001048: add %l5, 336, %o0
0. 0. [ 90] 10000104c: cmp %i3, 0
0. 0. [ 20] 100001050: ba,a 0x1000010b4
<Function: main -- outline code from line 46 [_$o1A46.main]>
0. 0. [ 46] 100001054: mov 1, %i3
0. 0. [ 47] 100001058: ba 0x100001090
0. 0. [ 56] 10000105c: clr [%i2]
<Function: main -- outline code from line 60 [_$o1B60.main]>
0. 0. [ 60] 100001060: bset 2, %i3
0. 0. [ 61] 100001064: ba 0x10000109c
0. 0. [ 74] 100001068: mov 1, %o3
The name of the outline function is displayed in square brackets, and encodes information about the section of outlined code, including the name of the function from which the code was extracted and the line number of the beginning of the section in the source code. These mangled names can vary from release to release. Performance Analyzer provides a readable version of the function name. For further details, refer to Outline Functions.
If an outline function is called when collecting the performance data for an application, Performance Analyzer displays a special line in the annotated disassembly to show inclusive metrics for that function. For further details, see Inclusive Metrics.