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Diffstat (limited to 'cddl/contrib/dtracetoolkit/Examples/rb_flow_example.txt')
| -rw-r--r-- | cddl/contrib/dtracetoolkit/Examples/rb_flow_example.txt | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/cddl/contrib/dtracetoolkit/Examples/rb_flow_example.txt b/cddl/contrib/dtracetoolkit/Examples/rb_flow_example.txt new file mode 100644 index 0000000..6cfa54f --- /dev/null +++ b/cddl/contrib/dtracetoolkit/Examples/rb_flow_example.txt @@ -0,0 +1,54 @@ +The following are examples of rb_flow.d. + +This is a simple script to trace the flow of Ruby functions. +Here it traces the example program, Code/Ruby/func_abc.rb + +# rb_flow.d + C TIME(us) FILE -- CLASS::METHOD + 0 3066417516583 func_abc.rb -> Module::method_added + 0 3066417516640 func_abc.rb <- Module::method_added + 0 3066417516658 func_abc.rb -> Module::method_added + 0 3066417516668 func_abc.rb <- Module::method_added + 0 3066417516680 func_abc.rb -> Module::method_added + 0 3066417516689 func_abc.rb <- Module::method_added + 0 3066417516701 func_abc.rb -> Object::func_a + 0 3066417516711 func_abc.rb -> Object::print + 0 3066417516730 func_abc.rb -> IO::write + 0 3066417516832 func_abc.rb <- IO::write + 0 3066417516841 func_abc.rb <- Object::print + 0 3066417516849 func_abc.rb -> Object::sleep + 0 3066418520705 func_abc.rb <- Object::sleep + 0 3066418520727 func_abc.rb -> Object::func_b + 0 3066418520744 func_abc.rb -> Object::print + 0 3066418520753 func_abc.rb -> IO::write + 0 3066418520796 func_abc.rb <- IO::write + 0 3066418520805 func_abc.rb <- Object::print + 0 3066418520813 func_abc.rb -> Object::sleep + 0 3066419530803 func_abc.rb <- Object::sleep + 0 3066419530825 func_abc.rb -> Object::func_c + 0 3066419530842 func_abc.rb -> Object::print + 0 3066419530852 func_abc.rb -> IO::write + 0 3066419530893 func_abc.rb <- IO::write + 0 3066419530902 func_abc.rb <- Object::print + 0 3066419530910 func_abc.rb -> Object::sleep + 0 3066420540804 func_abc.rb <- Object::sleep + 0 3066420540822 func_abc.rb <- Object::func_c + 0 3066420540831 func_abc.rb <- Object::func_b + 0 3066420540840 func_abc.rb <- Object::func_a +^C + +The fourth column is indented by 2 spaces to show when a new function begins. +This shows which function is calling which - the output above begins by adding +new methods, then showing that func_a began; did some print IO; slept, and +returned from sleep; and then called func_b. + +The TIME(us) column shows time from boot in microseconds. + +The FILE column shows the file that was being executed. + +If the output looks illogical, 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. + |
