compiler-rt/test/xray/TestCases/Posix/fixedsize-logging.cpp

   1 // Check to make sure that we have a log file with a fixed-size.
   2
   3 // RUN: %clangxx_xray -std=c++11 %s -o %t
   4 // RUN: XRAY_OPTIONS="patch_premain=true xray_mode=xray-basic verbosity=1 xray_logfile_base=fixedsize-logging-" %run %t 2>&1 | FileCheck %s
   5 //
   6 // After all that, clean up the output xray log.
   7 //
   8 // RUN: rm fixedsize-logging-*
   9
  10 // UNSUPPORTED: target-is-mips64,target-is-mips64el
  11
  12 #include <cstdio>
  13
  14 [[clang::xray_always_instrument]] void foo() {
  15   printf("foo() is always instrumented!");
  16 }
  17
  18 int main() {
  19   // CHECK: XRay: Log file in 'fixedsize-logging-{{.*}}'
  20   foo();
  21   // CHECK: foo() is always instrumented!
  22 }