---
name: "TAU_GLOBAL_TIMER_EXTERNAL"
section: "3"
platform: "linux"
package: "tau"
version: "2.17.3.1.dfsg-4.2"
release: "Debian 9 (Stretch)"
platforms: ["linux"]
url: "https://new.carta.tech/TAU_GLOBAL_TIMER_EXTERNAL"
---

# TAU\_GLOBAL\_TIMER\_EXTERNAL(3)

Declares a global timer from an external compilation unit

## NAME

TAU\_GLOBAL\_TIMER\_EXTERNAL - Declares a global timer from an external compilation unit

## SYNOPSIS

**C/C++:**

**TAU\_GLOBAL\_TIMER\_EXTERNAL(Profiler** *timer***);**

## DESCRIPTION

TAU\_GLOBAL\_TIMER\_EXTERNAL allows you to access a timer defined in another compilation unit.

## EXAMPLE

**C/C++ :**

```
/* f1.c */
TAU_GLOBAL_TIMER(globalTimer, "global timer", "", TAU_USER);
/* f2.c */
TAU_GLOBAL_TIMER_EXTERNAL(globalTimer);
int foo(void) {
  TAU_GLOBAL_TIMER_START(globalTimer);
  /* ... */
  TAU_GLOBAL_TIMER_STOP();
}
```

## SEE ALSO

[TAU\_GLOBAL\_TIMER(3)](/TAU_GLOBAL_TIMER/3.md), [TAU\_GLOBAL\_TIMER\_START(3)](/TAU_GLOBAL_TIMER_START/3.md), [TAU\_GLOBAL\_TIMER\_STOP(3)](/TAU_GLOBAL_TIMER_STOP/3.md)