diff options
Diffstat (limited to 'third_party/git/t/t0211-trace2-perf.sh')
| -rwxr-xr-x | third_party/git/t/t0211-trace2-perf.sh | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/third_party/git/t/t0211-trace2-perf.sh b/third_party/git/t/t0211-trace2-perf.sh new file mode 100755 index 0000000000..2c3ad6e8c1 --- /dev/null +++ b/third_party/git/t/t0211-trace2-perf.sh @@ -0,0 +1,174 @@ +#!/bin/sh + +test_description='test trace2 facility (perf target)' +. ./test-lib.sh + +# Turn off any inherited trace2 settings for this test. +sane_unset GIT_TRACE2 GIT_TRACE2_PERF GIT_TRACE2_EVENT +sane_unset GIT_TRACE2_PERF_BRIEF +sane_unset GIT_TRACE2_CONFIG_PARAMS + +# Add t/helper directory to PATH so that we can use a relative +# path to run nested instances of test-tool.exe (see 004child). +# This helps with HEREDOC comparisons later. +TTDIR="$GIT_BUILD_DIR/t/helper/" && export TTDIR +PATH="$TTDIR:$PATH" && export PATH + +# Warning: use of 'test_cmp' may run test-tool.exe and/or git.exe +# Warning: to do the actual diff/comparison, so the HEREDOCs here +# Warning: only cover our actual calls to test-tool and/or git. +# Warning: So you may see extra lines in artifact files when +# Warning: interactively debugging. + +V=$(git version | sed -e 's/^git version //') && export V + +# There are multiple trace2 targets: normal, perf, and event. +# Trace2 events will/can be written to each active target (subject +# to whatever filtering that target decides to do). +# Test each target independently. +# +# Defer setting GIT_TRACE2_PERF until the actual command we want to +# test because hidden git and test-tool commands in the test +# harness can contaminate our output. + +# Enable "brief" feature which turns off the prefix: +# "<clock> <file>:<line> | <nr_parents> | " +GIT_TRACE2_PERF_BRIEF=1 && export GIT_TRACE2_PERF_BRIEF + +# Repeat some of the t0210 tests using the perf target stream instead of +# the normal stream. +# +# Tokens here of the form _FIELD_ have been replaced in the observed output. + +# Verb 001return +# +# Implicit return from cmd_<verb> function propagates <code>. + +test_expect_success 'perf stream, return code 0' ' + test_when_finished "rm trace.perf actual expect" && + GIT_TRACE2_PERF="$(pwd)/trace.perf" test-tool trace2 001return 0 && + perl "$TEST_DIRECTORY/t0211/scrub_perf.perl" <trace.perf >actual && + cat >expect <<-EOF && + d0|main|version|||||$V + d0|main|start||_T_ABS_|||_EXE_ trace2 001return 0 + d0|main|cmd_name|||||trace2 (trace2) + d0|main|exit||_T_ABS_|||code:0 + d0|main|atexit||_T_ABS_|||code:0 + EOF + test_cmp expect actual +' + +test_expect_success 'perf stream, return code 1' ' + test_when_finished "rm trace.perf actual expect" && + test_must_fail env GIT_TRACE2_PERF="$(pwd)/trace.perf" test-tool trace2 001return 1 && + perl "$TEST_DIRECTORY/t0211/scrub_perf.perl" <trace.perf >actual && + cat >expect <<-EOF && + d0|main|version|||||$V + d0|main|start||_T_ABS_|||_EXE_ trace2 001return 1 + d0|main|cmd_name|||||trace2 (trace2) + d0|main|exit||_T_ABS_|||code:1 + d0|main|atexit||_T_ABS_|||code:1 + EOF + test_cmp expect actual +' + +# Verb 003error +# +# To the above, add multiple 'error <msg>' events + +test_expect_success 'perf stream, error event' ' + test_when_finished "rm trace.perf actual expect" && + GIT_TRACE2_PERF="$(pwd)/trace.perf" test-tool trace2 003error "hello world" "this is a test" && + perl "$TEST_DIRECTORY/t0211/scrub_perf.perl" <trace.perf >actual && + cat >expect <<-EOF && + d0|main|version|||||$V + d0|main|start||_T_ABS_|||_EXE_ trace2 003error '\''hello world'\'' '\''this is a test'\'' + d0|main|cmd_name|||||trace2 (trace2) + d0|main|error|||||hello world + d0|main|error|||||this is a test + d0|main|exit||_T_ABS_|||code:0 + d0|main|atexit||_T_ABS_|||code:0 + EOF + test_cmp expect actual +' + +# Verb 004child +# +# Test nested spawning of child processes. +# +# Conceptually, this looks like: +# P1: TT trace2 004child +# P2: |--- TT trace2 004child +# P3: |--- TT trace2 001return 0 +# +# Which should generate events: +# P1: version +# P1: start +# P1: cmd_name +# P1: child_start +# P2: version +# P2: start +# P2: cmd_name +# P2: child_start +# P3: version +# P3: start +# P3: cmd_name +# P3: exit +# P3: atexit +# P2: child_exit +# P2: exit +# P2: atexit +# P1: child_exit +# P1: exit +# P1: atexit + +test_expect_success 'perf stream, child processes' ' + test_when_finished "rm trace.perf actual expect" && + GIT_TRACE2_PERF="$(pwd)/trace.perf" test-tool trace2 004child test-tool trace2 004child test-tool trace2 001return 0 && + perl "$TEST_DIRECTORY/t0211/scrub_perf.perl" <trace.perf >actual && + cat >expect <<-EOF && + d0|main|version|||||$V + d0|main|start||_T_ABS_|||_EXE_ trace2 004child test-tool trace2 004child test-tool trace2 001return 0 + d0|main|cmd_name|||||trace2 (trace2) + d0|main|child_start||_T_ABS_|||[ch0] class:? argv: test-tool trace2 004child test-tool trace2 001return 0 + d1|main|version|||||$V + d1|main|start||_T_ABS_|||_EXE_ trace2 004child test-tool trace2 001return 0 + d1|main|cmd_name|||||trace2 (trace2/trace2) + d1|main|child_start||_T_ABS_|||[ch0] class:? argv: test-tool trace2 001return 0 + d2|main|version|||||$V + d2|main|start||_T_ABS_|||_EXE_ trace2 001return 0 + d2|main|cmd_name|||||trace2 (trace2/trace2/trace2) + d2|main|exit||_T_ABS_|||code:0 + d2|main|atexit||_T_ABS_|||code:0 + d1|main|child_exit||_T_ABS_|_T_REL_||[ch0] pid:_PID_ code:0 + d1|main|exit||_T_ABS_|||code:0 + d1|main|atexit||_T_ABS_|||code:0 + d0|main|child_exit||_T_ABS_|_T_REL_||[ch0] pid:_PID_ code:0 + d0|main|exit||_T_ABS_|||code:0 + d0|main|atexit||_T_ABS_|||code:0 + EOF + test_cmp expect actual +' + +sane_unset GIT_TRACE2_PERF_BRIEF + +# Now test without environment variables and get all Trace2 settings +# from the global config. + +test_expect_success 'using global config, perf stream, return code 0' ' + test_when_finished "rm trace.perf actual expect" && + test_config_global trace2.perfBrief 1 && + test_config_global trace2.perfTarget "$(pwd)/trace.perf" && + test-tool trace2 001return 0 && + perl "$TEST_DIRECTORY/t0211/scrub_perf.perl" <trace.perf >actual && + cat >expect <<-EOF && + d0|main|version|||||$V + d0|main|start||_T_ABS_|||_EXE_ trace2 001return 0 + d0|main|cmd_name|||||trace2 (trace2) + d0|main|exit||_T_ABS_|||code:0 + d0|main|atexit||_T_ABS_|||code:0 + EOF + test_cmp expect actual +' + +test_done |