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Diffstat (limited to 'Examples/rb_flowinfo_example.txt')
| -rw-r--r-- | Examples/rb_flowinfo_example.txt | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/Examples/rb_flowinfo_example.txt b/Examples/rb_flowinfo_example.txt new file mode 100644 index 0000000000000..14fd851fab4ac --- /dev/null +++ b/Examples/rb_flowinfo_example.txt @@ -0,0 +1,54 @@ +Following are examples of rb_flowinfo.d. + +This is a simple script to trace the flow of Ruby methods. Here it traces the +example program, Code/Ruby/func_abc.rb. + +# rb_flowinfo.d +C PID DELTA(us) FILE:LINE TYPE -- NAME +0 146395 2 func_abc.rb:3 method -> Module::method_added +0 146395 26 func_abc.rb:3 method <- Module::method_added +0 146395 25 func_abc.rb:8 method -> Module::method_added +0 146395 11 func_abc.rb:8 method <- Module::method_added +0 146395 16 func_abc.rb:14 method -> Module::method_added +0 146395 10 func_abc.rb:14 method <- Module::method_added +0 146395 15 func_abc.rb:20 method -> Object::func_a +0 146395 12 func_abc.rb:15 method -> Object::print +0 146395 20 func_abc.rb:15 method -> IO::write +0 146395 110 func_abc.rb:15 method <- IO::write +0 146395 11 func_abc.rb:15 method <- Object::print +0 146395 11 func_abc.rb:16 method -> Object::sleep +0 146395 1003728 func_abc.rb:16 method <- Object::sleep +0 146395 35 func_abc.rb:17 method -> Object::func_b +0 146395 20 func_abc.rb:9 method -> Object::print +0 146395 12 func_abc.rb:9 method -> IO::write +0 146395 42 func_abc.rb:9 method <- IO::write +0 146395 11 func_abc.rb:9 method <- Object::print +0 146395 11 func_abc.rb:10 method -> Object::sleep +0 146395 1009976 func_abc.rb:10 method <- Object::sleep +0 146395 35 func_abc.rb:11 method -> Object::func_c +0 146395 20 func_abc.rb:4 method -> Object::print +0 146395 12 func_abc.rb:4 method -> IO::write +0 146395 38 func_abc.rb:4 method <- IO::write +0 146395 11 func_abc.rb:4 method <- Object::print +0 146395 11 func_abc.rb:5 method -> Object::sleep +0 146395 1009883 func_abc.rb:5 method <- Object::sleep +0 146395 29 func_abc.rb:5 method <- Object::func_c +0 146395 12 func_abc.rb:11 method <- Object::func_b +0 146395 11 func_abc.rb:17 method <- Object::func_a +^C + +As each method is entered, the last column is indented by 2 spaces. This +shows which method is calling which. + +The DELTA(us) column shows the change in time from the previous line to the +current line. + +The LINE column shows the line in the file what was being executed. Refer +to the source program to see what this line refers to. + +If the output looks shuffled, check the CPU "C" column - if it changes, +then the output is probably shuffled. See Notes/ALLsnoop_notes.txt for +details and suggested workarounds. + +See Notes/ALLflow_notes.txt for important notes about reading flow outputs. + |