| %% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*- |
| %% ex: ts=4 sw=4 et |
| %% ------------------------------------------------------------------- |
| %% |
| %% rebar: Erlang Build Tools |
| %% |
| %% Copyright (c) 2014 Tuncer Ayaz |
| %% |
| %% Permission is hereby granted, free of charge, to any person obtaining a copy |
| %% of this software and associated documentation files (the "Software"), to deal |
| %% in the Software without restriction, including without limitation the rights |
| %% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| %% copies of the Software, and to permit persons to whom the Software is |
| %% furnished to do so, subject to the following conditions: |
| %% |
| %% The above copyright notice and this permission notice shall be included in |
| %% all copies or substantial portions of the Software. |
| %% |
| %% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| %% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| %% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| %% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| %% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| %% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| %% THE SOFTWARE. |
| %% ------------------------------------------------------------------- |
| -module(profile_rt). |
| -export([files/0, |
| run/1]). |
| |
| -include_lib("eunit/include/eunit.hrl"). |
| |
| setup([Target]) -> |
| retest_utils:load_module(filename:join(Target, "inttest_utils.erl")), |
| ok. |
| |
| files() -> |
| inttest_utils:rebar_setup(). |
| |
| run(_Dir) -> |
| Cmd = "./rebar list-deps", |
| FprofFiles = fprof_files(), |
| EflameFiles = ["eflame.trace", "eflame.svg"], |
| |
| %% run a simple command (list-deps) without profiling |
| SharedExpected = "==> profile_rt \\(list-deps\\)", |
| %% run Cmd without profiling |
| retest:log(info, "Check '~s' without profiling~n", [Cmd]), |
| ok = check(Cmd, should_succeed, [SharedExpected], ["Profiling!"], |
| [], FprofFiles ++ EflameFiles), |
| |
| %% run Cmd with fprof profiling |
| retest:log(info, "Check '~s' with fprof profiling~n", [Cmd]), |
| ok = check(Cmd ++ " -p", should_succeed, |
| [SharedExpected, "Profiling!", "See fprof\.analysis"], |
| ["See eflame\.svg"], |
| FprofFiles, EflameFiles), |
| delete_files(FprofFiles), |
| |
| %% run Cmd with explicitly selected fprof profiling |
| retest:log(info, "Check '~s' with explicitly selected fprof profiling~n", |
| [Cmd]), |
| ok = check(Cmd ++ " -p profiler=fprof", should_succeed, |
| [SharedExpected, "Profiling!", "See fprof\.analysis"], |
| ["See eflame\.svg"], |
| FprofFiles, EflameFiles), |
| delete_files(FprofFiles), |
| |
| case code:lib_dir(eflame) of |
| {error, bad_name} -> |
| retest:log(info, |
| "eflame not found in code path. skip eflame test~n"), |
| ok; |
| _EflameDir -> |
| %% run Cmd with eflame profiling |
| retest:log(info, "Check '~s' with eflame profiling~n", [Cmd]), |
| ok = check(Cmd ++ " -p profiler=eflame", should_succeed, |
| [SharedExpected, "Profiling!", "See eflame\.svg"], |
| ["See fprof\.analysis"], |
| EflameFiles, FprofFiles), |
| delete_files(EflameFiles) |
| end, |
| |
| ok. |
| |
| fprof_files() -> |
| FprofFiles = ["fprof.trace", "fprof.analysis"], |
| CgrindFiles = ["fprof.cgrind"], |
| case os:find_executable("erlgrind") of |
| false -> |
| retest:log(info, |
| "erlgrind escript not found. skip fprof.cgrind check~n"), |
| FprofFiles; |
| _ErlGrind -> |
| FprofFiles ++ CgrindFiles |
| end. |
| |
| check(Cmd, FailureMode, ExpectedOutput, UnexpectedOutput, |
| ExpectedFiles, UnexpectedFiles) -> |
| case {retest:sh(Cmd), FailureMode} of |
| {{error, _}=Error, should_succeed} -> |
| retest:log(error, "cmd '~s' failed:~n~p~n", [Cmd, Error]), |
| Error; |
| {{ok, CapturedOutput}, should_succeed} -> |
| JoinedOutput = string:join(CapturedOutput, "\n"), |
| check1(Cmd, JoinedOutput, ExpectedOutput, UnexpectedOutput, |
| ExpectedFiles, UnexpectedFiles); |
| {{error, {stopped, {_Rc, CapturedOutput}}}, should_fail} -> |
| JoinedOutput = string:join(CapturedOutput, "\n"), |
| check1(Cmd, JoinedOutput, ExpectedOutput, UnexpectedOutput, |
| ExpectedFiles, UnexpectedFiles) |
| end. |
| |
| check1(Cmd, CapturedOutput, ExpectedOutput, UnexpectedOutput, |
| ExpectedFiles, UnexpectedFiles) -> |
| ReOpts = [{capture, all, list}], |
| ExMatches = |
| lists:zf( |
| fun(Pattern) -> |
| case re:run(CapturedOutput, Pattern, ReOpts) of |
| nomatch -> |
| retest:log(error, |
| "Expected pattern '~s' missing " |
| "in the following output:~n" |
| "=== BEGIN ===~n~s~n=== END ===~n", |
| [Pattern, CapturedOutput]), |
| {true, Pattern}; |
| {match, _} -> |
| false |
| end |
| end, ExpectedOutput), |
| |
| UnExMatches = |
| lists:zf( |
| fun(Pattern) -> |
| case re:run(CapturedOutput, Pattern, ReOpts) of |
| nomatch -> |
| false; |
| {match, [Match]} -> |
| retest:log( |
| console, |
| "Unexpected output when running cmd '~s':~n~s~n", |
| [Cmd, Match]), |
| {true, Match} |
| end |
| end, UnexpectedOutput), |
| |
| ExFiles = |
| lists:zf( |
| fun(File) -> |
| case filelib:is_regular(File) of |
| true -> |
| false; |
| false -> |
| retest:log(error, |
| "Expected file missing: ~s~n", [File]), |
| {true, File} |
| end |
| end, ExpectedFiles), |
| |
| UnExFiles = |
| lists:zf( |
| fun(File) -> |
| case filelib:is_regular(File) of |
| true -> |
| retest:log(error, |
| "Unexpected file found: ~s~n", [File]), |
| {true, File}; |
| false -> |
| false |
| end |
| end, UnexpectedFiles), |
| |
| case {ExMatches, UnExMatches, ExFiles, UnExFiles} of |
| {[], [], [], []} -> |
| ok; |
| _ -> |
| error |
| end. |
| |
| delete_files(Files) -> |
| lists:foreach(fun(File) -> ok = file:delete(File) end, Files). |
| |
| %% |
| %% Generate the contents of a simple .app file |
| %% |
| app(Name, Modules) -> |
| App = {application, Name, |
| [{description, atom_to_list(Name)}, |
| {vsn, "1"}, |
| {modules, Modules}, |
| {registered, []}, |
| {applications, [kernel, stdlib]}]}, |
| io_lib:format("~p.\n", [App]). |