diff options
Diffstat (limited to 'lib/thread.h')
| -rw-r--r-- | lib/thread.h | 38 |
1 files changed, 31 insertions, 7 deletions
diff --git a/lib/thread.h b/lib/thread.h index aef9df79..0d84cfc5 100644 --- a/lib/thread.h +++ b/lib/thread.h @@ -22,12 +22,22 @@ #ifndef _ZEBRA_THREAD_H #define _ZEBRA_THREAD_H +struct rusage_t +{ +#ifdef HAVE_RUSAGE + struct rusage cpu; +#endif + struct timeval real; +}; +#define RUSAGE_T struct rusage_t + #ifdef HAVE_RUSAGE -#define RUSAGE_T struct rusage -#define GETRUSAGE(X) getrusage (RUSAGE_SELF, X); +#define GETRUSAGE(X) \ + getrusage(RUSAGE_SELF, &((X)->cpu)); \ + gettimeofday(&recent_time, NULL); (X)->real = recent_time #else -#define RUSAGE_T struct timeval -#define GETRUSAGE(X) gettimeofday (X, NULL); +#define GETRUSAGE(X) \ + gettimeofday(&recent_time, NULL); (X)->real = recent_time #endif /* HAVE_RUSAGE */ /* Linked list of thread. */ @@ -73,11 +83,18 @@ struct thread char* funcname; }; -struct cpu_thread_history { +struct cpu_thread_history +{ int (*func)(struct thread *); const char *funcname; unsigned int total_calls; - unsigned long total, max; + struct time_stats + { + unsigned long total, max; + } real; +#ifdef HAVE_RUSAGE + struct time_stats cpu; +#endif unsigned char types; }; @@ -170,6 +187,13 @@ int thread_should_yield (struct thread *); extern struct cmd_element show_thread_cpu_cmd; -extern unsigned long thread_consumed_time(RUSAGE_T *after, RUSAGE_T *before); +/* Returns elapsed real (wall clock) time. */ +extern unsigned long thread_consumed_time(RUSAGE_T *after, RUSAGE_T *before, + unsigned long *cpu_time_elapsed); + +/* Global variable containing a recent result from gettimeofday. This can + be used instead of calling gettimeofday if a recent value is sufficient. + This is guaranteed to be refreshed before a thread is called. */ +extern struct timeval recent_time; #endif /* _ZEBRA_THREAD_H */ |