lld/test/ELF/time-trace.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
   3
   4 # Test implicit trace file name
   5 # RUN: ld.lld --time-trace --time-trace-granularity=0 -o %t1.elf %t.o
   6 # RUN: cat %t1.elf.time-trace \
   7 # RUN:   | %python -c 'import json, sys; json.dump(json.loads(sys.stdin.read()), sys.stdout, sort_keys=True, indent=2)' \
   8 # RUN:   | FileCheck %s
   9
  10 # Test specified trace file name
  11 # RUN: ld.lld --time-trace --time-trace-file=%t2.json --time-trace-granularity=0 -o %t2.elf %t.o
  12 # RUN: cat %t2.json \
  13 # RUN:   | %python -c 'import json, sys; json.dump(json.loads(sys.stdin.read()), sys.stdout, sort_keys=True, indent=2)' \
  14 # RUN:   | FileCheck %s
  15
  16 # Test trace requested to stdout
  17 # RUN: ld.lld --time-trace --time-trace-file=- --time-trace-granularity=0 -o %t3.elf %t.o \
  18 # RUN:   | %python -c 'import json, sys; json.dump(json.loads(sys.stdin.read()), sys.stdout, sort_keys=True, indent=2)' \
  19 # RUN:   | FileCheck %s
  20
  21 # CHECK:      "beginningOfTime": {{[0-9]{16},}}
  22 # CHECK-NEXT: "traceEvents": [
  23
  24 # Check one event has correct fields
  25 # CHECK:      "dur":
  26 # CHECK-NEXT: "name":
  27 # CHECK-NEXT: "ph":
  28 # CHECK-NEXT: "pid":
  29 # CHECK-NEXT: "tid":
  30 # CHECK-NEXT: "ts":
  31
  32 # Check there is an ExecuteLinker event
  33 # CHECK: "name": "ExecuteLinker"
  34
  35 # Check process_name entry field
  36 # CHECK: "name": "ld.lld{{(.exe)?}}"
  37 # CHECK: "name": "process_name"
  38 # CHECK: "name": "thread_name"
  39
  40 .globl _start
  41 _start:
  42   ret