#!/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: # " : | | " 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_ function propagates

.

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" 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" 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 ' 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" 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" 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" 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