PAPI_start.3 - Online Linux Manual Page

PAPI_start - Online Linux Manual PageSection : 3
Updated : September, 2004
Source : PAPI Programmer's Reference
Note : PAPI

NAMEPAPI_start − start counting hardware events in an event set PAPI_stop − stop counting hardware events in an event set

SYNOPSISC Interface #include <papi.h> int PAPI_start(int EventSet); int PAPI_stop(int EventSet, long_long *values);Fortran Interface #include "fpapi.h" PAPIF_start(C_INT EventSet, C_INT check) PAPIF_stop(C_INT EventSet, C_LONG_LONG(*) values, C_INT check)

DESCRIPTIONPAPI_start starts counting all of the hardware events contained in the previously defined EventSet. All counters are implicitly set to zero before counting. PAPI_stop halts the counting of a previously defined event set and the counter values contained in that EventSet are copied into the values array These calls assume an initialized PAPI library and a properly added event set.

ARGUMENTSEventSet" -- an integer handle for a PAPI event set as created by "PAPI_create_eventset(3) *values -- an array to hold the counter values of the counting events

RETURN VALUESOn success, this function returns PAPI_OK."
On error, a non-zero error code is returned.

ERRORSPAPI_EINVAL" One or more of the arguments is invalid. PAPI_ESYS" A system or C library call failed inside PAPI, see the errno" variable. PAPI_ENOEVST" The EventSet specified does not exist. PAPI_EISRUN" The EventSet is currently counting events. (PAPI_start() only) PAPI_ENOTRUN" The EventSet is currently not running. (PAPI_stop() only) PAPI_ECNFLCT" The underlying counter hardware can not count this event and other events in the EventSet simultaneously. (PAPI_start() only) PAPI_ENOEVNT" The PAPI preset is not available on the underlying hardware.

EXAMPLES if (PAPI_create_eventset(&EventSet) != PAPI_OK) handle_error(1); /* Add Total Instructions Executed to our EventSet */ if (PAPI_add_event(EventSet, PAPI_TOT_INS) != PAPI_OK) handle_error(1); /* Start counting */ if (PAPI_start(EventSet) != PAPI_OK) handle_error(1); poorly_tuned_function(); if (PAPI_stop(EventSet, values) != PAPI_OK) handle_error(1); printf("%lld\n",values[0]);

BUGSThese functions have no known bugs.

SEE ALSOPAPI_create_eventset(3), PAPI_add_event (3)," PAPI(3), PAPIF (3)" 0

Johanes Gumabo

Data Size : 10,287 byte
man-PAPI_start.3Build : 2024-12-29, 07:25 :
Visitor Screen : x
Visitor Counter ( page / site ) : 4 / 256,496
Visitor ID : :
Visitor IP : 3.146.107.152 :
Visitor Provider : AMAZON-02 :
Provider Position ( lat x lon ) : 39.962500 x -83.006100 : x
Provider Accuracy Radius ( km ) : 1000 :
Provider City : Columbus :
Provider Province : Ohio , : ,
Provider Country : United States :
Provider Continent : North America :
Visitor Recorder : Version :
Visitor Recorder : Library :
Online Linux Manual Page : Version : Online Linux Manual Page - Fedora.40 - march=x86-64 - mtune=generic - 24.12.29
Online Linux Manual Page : Library : lib_c - 24.10.03 - march=x86-64 - mtune=generic - Fedora.40
Online Linux Manual Page : Library : lib_m - 24.10.03 - march=x86-64 - mtune=generic - Fedora.40
Data Base : Version : Online Linux Manual Page Database - 24.04.13 - march=x86-64 - mtune=generic - fedora-38
Data Base : Library : lib_c - 23.02.07 - march=x86-64 - mtune=generic - fedora.36

Very long time ago, I have the best tutor, Wenzel Svojanovsky . If someone knows the email address of Wenzel Svojanovsky , please send an email to johanes_gumabo@yahoo.co.id .

If error, please print screen and send to johanes_gumabo@yahoo.co.id
Under development. Support me via PayPal.