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-rw-r--r--Documentation/trace/function-graph-fold.vim42
1 files changed, 0 insertions, 42 deletions
diff --git a/Documentation/trace/function-graph-fold.vim b/Documentation/trace/function-graph-fold.vim
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--- a/Documentation/trace/function-graph-fold.vim
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-" Enable folding for ftrace function_graph traces.
-"
-" To use, :source this file while viewing a function_graph trace, or use vim's
-" -S option to load from the command-line together with a trace. You can then
-" use the usual vim fold commands, such as "za", to open and close nested
-" functions. While closed, a fold will show the total time taken for a call,
-" as would normally appear on the line with the closing brace. Folded
-" functions will not include finish_task_switch(), so folding should remain
-" relatively sane even through a context switch.
-"
-" Note that this will almost certainly only work well with a
-" single-CPU trace (e.g. trace-cmd report --cpu 1).
-
-function! FunctionGraphFoldExpr(lnum)
- let line = getline(a:lnum)
- if line[-1:] == '{'
- if line =~ 'finish_task_switch() {$'
- return '>1'
- endif
- return 'a1'
- elseif line[-1:] == '}'
- return 's1'
- else
- return '='
- endif
-endfunction
-
-function! FunctionGraphFoldText()
- let s = split(getline(v:foldstart), '|', 1)
- if getline(v:foldend+1) =~ 'finish_task_switch() {$'
- let s[2] = ' task switch '
- else
- let e = split(getline(v:foldend), '|', 1)
- let s[2] = e[2]
- endif
- return join(s, '|')
-endfunction
-
-setlocal foldexpr=FunctionGraphFoldExpr(v:lnum)
-setlocal foldtext=FunctionGraphFoldText()
-setlocal foldcolumn=12
-setlocal foldmethod=expr