diff options
Diffstat (limited to 'gdbsupport/run-time-clock.h')
| -rw-r--r-- | gdbsupport/run-time-clock.h | 33 |
1 files changed, 27 insertions, 6 deletions
diff --git a/gdbsupport/run-time-clock.h b/gdbsupport/run-time-clock.h index a961f4c..2743514 100644 --- a/gdbsupport/run-time-clock.h +++ b/gdbsupport/run-time-clock.h @@ -51,6 +51,33 @@ struct system_cpu_time_clock static time_point now () noexcept = delete; }; +/* Whether to measure time run time for the whole process or just one + thread. */ + +enum class run_time_scope +{ + process, + thread, +}; + +/* Return the user/system time as separate time points, if + supported. If not supported, then the combined user+kernel time + is returned in USER and SYSTEM is set to zero. + + SCOPE indicates whether to return the run time for the whole + process or just for the calling thread. If the latter isn't + supported, then returns the run time for the whole process even if + run_time_scope::thread is requested. */ + +void get_run_time (user_cpu_time_clock::time_point &user, + system_cpu_time_clock::time_point &system, + run_time_scope scope) noexcept; + +/* Returns true if is it possible for get_run_time above to return the + run time for just the calling thread. */ + +bool get_run_time_thread_scope_available (); + /* Count the total amount of time spent executing in userspace+kernel mode. */ @@ -64,12 +91,6 @@ struct run_time_clock static constexpr bool is_steady = true; static time_point now () noexcept; - - /* Return the user/system time as separate time points, if - supported. If not supported, then the combined user+kernel time - is returned in USER and SYSTEM is set to zero. */ - static void now (user_cpu_time_clock::time_point &user, - system_cpu_time_clock::time_point &system) noexcept; }; #endif /* GDBSUPPORT_RUN_TIME_CLOCK_H */ |