src/llvm-project/lld/test/COFF/time-trace.s

# REQUIRES: x86

# RUN: llvm-mc -triple=x86_64-windows-msvc -filetype=obj -o %t.obj %s

# Test implicit trace file name
# RUN: lld-link %t.obj /entry:main /out:%t1.exe --time-trace --time-trace-granularity=0
# RUN: cat %t1.exe.time-trace \
# RUN:   | %python -c 'import json, sys; json.dump(json.loads(sys.stdin.read()), sys.stdout, sort_keys=True, indent=2)' \
# RUN:   | FileCheck %s

# Test specified trace file name
# RUN: lld-link %t.obj /entry:main /out:%t2.exe --time-trace=%t2.json --time-trace-granularity=0
# RUN: cat %t2.json \
# RUN:   | %python -c 'import json, sys; json.dump(json.loads(sys.stdin.read()), sys.stdout, sort_keys=True, indent=2)' \
# RUN:   | FileCheck %s

# Test trace requested to stdout
# RUN: env LLD_IN_TEST=1 lld-link %t.obj /entry:main /out:%t3.exe --time-trace=- --time-trace-granularity=0 \
# RUN:   | %python -c 'import json, sys; json.dump(json.loads(sys.stdin.read()), sys.stdout, sort_keys=True, indent=2)' \
# RUN:   | FileCheck %s

# CHECK:      "beginningOfTime": {{[0-9]{16},}}
# CHECK-NEXT: "traceEvents": [

# Check one event has correct fields
# CHECK:      "dur":
# CHECK-NEXT: "name":
# CHECK-NEXT: "ph":
# CHECK-NEXT: "pid":
# CHECK-NEXT: "tid":
# CHECK-NEXT: "ts":

# Check there are events
# CHECK: "name": "Read input files"

# Check process_name entry field
# CHECK: "name": "lld-link{{(.exe)?}}"
# CHECK: "name": "process_name"
# CHECK: "name": "thread_name"

.text
.global main
main:
	ret