Man page or keyword search:   man All Sections 1 - General Commands 2 - System Calls 3 - Subroutines, Functions 4 - Special Files 5 - File Formats 6 - Games and Screensavers 7 - Macros and Conventions 8 - Maintenence Commands 9 - Kernel Interface New Commands Server 4.4BSD AIX Alpinelinux Archlinux Aros BSDOS BSDi Bifrost CentOS Cygwin Darwin Debian DigitalUNIX DragonFly ElementaryOS Fedora FreeBSD Gentoo GhostBSD HP-UX Haiku Hurd IRIX Inferno JazzOS Kali Knoppix LinuxMint MacOSX Mageia Mandriva Manjaro Minix MirBSD NeXTSTEP NetBSD OPENSTEP OSF1 OpenBSD OpenDarwin OpenIndiana OpenMandriva OpenServer OpenSuSE OpenVMS Oracle PC-BSD Peanut Pidora Plan9 QNX Raspbian RedHat Scientific Slackware SmartOS Solaris SuSE SunOS Syllable Tru64 UNIXv7 Ubuntu Ultrix UnixWare Xenix YellowDog aLinux   29550 pages apropos Keyword Search (all sections) Output format html ascii pdf view pdf save postscript

PAPI_num_counters(3)		     PAPI		  PAPI_num_counters(3)

NAME
       PAPI_num_counters -

       Get the number of hardware counters available on the system.

SYNOPSIS
Detailed Description
       @par C Interface:
       int PAPI_num_counters( void );

       Postcondition:
	   Initializes the library to PAPI_HIGH_LEVEL_INITED if necessary.

       Return values:
	   PAPI_EINVAL papi.h is different from the version used to compile
	   the PAPI library.
	   PAPI_ENOMEM Insufficient memory to complete the operation.
	   PAPI_ESYS A system or C library call failed inside PAPI, see the
	   errno variable.

       Examples:

	   * int num_hwcntrs;
	   * //	 The installation does not support PAPI
	   * if ((num_hwcntrs = PAPI_num_counters()) < 0 )
	   *   handle_error(1);
	   * //	 The installation supports PAPI, but has no counters
	   * if ((num_hwcntrs = PAPI_num_counters()) == 0 )
	   *   fprintf(stderr,"Info:: This machine does not provide hardware counters.0);
	   *

       PAPI_num_counters() returns the optimal length of the values array for
       the high level functions. This value corresponds to the number of
       hardware counters supported by the current CPU component.

       Note:
	   This function only works for the CPU component. To determine the
	   number of counters on another component, use the low level
	   PAPI_num_cmp_hwctrs().

Author
       Generated automatically by Doxygen for PAPI from the source code.

Version 5.2.0.0			Mon Oct 28 2013		  PAPI_num_counters(3)

Vote for polarhome