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papi_attach(3) [centos man page]

PAPI_attach(3)							       PAPI							    PAPI_attach(3)

PAPI_attach - Attach PAPI event set to the specified thread id. SYNOPSIS
Detailed Description @par C Interface: int PAPI_attach( int EventSet, unsigned long tid ); PAPI_attach is a wrapper function that calls PAPI_set_opt to allow PAPI to monitor performance counts on a thread other than the one currently executing. This is sometimes referred to as third party monitoring. PAPI_attach connects the specified EventSet to the specifed thread; PAPI_detach breaks that connection and restores the EventSet to the original executing thread. @param EventSet An integer handle for a PAPI EventSet as created by PAPI_create_eventset. @param tid A thread id as obtained from, for example, PAPI_list_threads or PAPI_thread_id. @retval PAPI_ECMP This feature is unsupported on this component. @retval PAPI_EINVAL One or more of the arguments is invalid. @retval PAPI_ENOEVST The event set specified does not exist. @retval PAPI_EISRUN The event set is currently counting events. @par Examples: * int EventSet = PAPI_NULL; * unsigned long pid; * pid = fork( ); * if ( pid <= 0 ) * exit( 1 ); * if ( PAPI_create_eventset( &EventSet ) != PAPI_OK ) * exit( 1 ); * // Add Total Instructions Executed to our EventSet * if ( PAPI_add_event( EventSet, PAPI_TOT_INS ) != PAPI_OK ) * exit( 1 ); * // Attach this EventSet to the forked process * if ( PAPI_attach( EventSet, pid ) != PAPI_OK ) * exit( 1 ); * See Also: PAPI_set_opt PAPI_list_threads PAPI_thread_id PAPI_thread_init Author Generated automatically by Doxygen for PAPI from the source code. Version Tue Jun 17 2014 PAPI_attach(3)

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PAPI_remove_named_event(3)					       PAPI						PAPI_remove_named_event(3)

PAPI_remove_named_event - removes a named hardware event from a PAPI event set. SYNOPSIS
Detailed Description A hardware event can be either a PAPI Preset or a native hardware event code. For a list of PAPI preset events, see PAPI_presets or run the papi_avail utility in the PAPI distribution. PAPI Presets can be passed to PAPI_query_event to see if they exist on the underlying architecture. For a list of native events available on the current platform, run papi_native_avail in the PAPI distribution. @par C Interface: int PAPI_remove_event( int EventSet, int EventCode ); @param[in] EventSet -- an integer handle for a PAPI event set as created by PAPI_create_eventset @param[in] EventName -- a defined event such as PAPI_TOT_INS or a native event. @retval PAPI_OK Everything worked. @retval PAPI_EINVAL One or more of the arguments is invalid. @retval PAPI_ENOINIT The PAPI library has not been initialized. @retval PAPI_ENOEVST The EventSet specified does not exist. @retval PAPI_EISRUN The EventSet is currently counting events. @retval PAPI_ECNFLCT The underlying counter hardware can not count this event and other events in the EventSet simultaneously. @retval PAPI_ENOEVNT The PAPI preset is not available on the underlying hardware. @par Example: * char EventName = "PAPI_TOT_INS"; * int EventSet = PAPI_NULL; * int ret; * * // Create an empty EventSet * ret = PAPI_create_eventset(&EventSet); * if (ret != PAPI_OK) handle_error(ret); * * // Add Total Instructions Executed to our EventSet * ret = PAPI_add_named_event(EventSet, EventName); * if (ret != PAPI_OK) handle_error(ret); * * // Start counting * ret = PAPI_start(EventSet); * if (ret != PAPI_OK) handle_error(ret); * * // Stop counting, ignore values * ret = PAPI_stop(EventSet, NULL); * if (ret != PAPI_OK) handle_error(ret); * * // Remove event * ret = PAPI_remove_named_event(EventSet, EventName); * if (ret != PAPI_OK) handle_error(ret); * See Also: PAPI_remove_event PAPI_query_named_event PAPI_add_named_event Author Generated automatically by Doxygen for PAPI from the source code. Version Tue Jun 17 2014 PAPI_remove_named_event(3)
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