linux-stable/arch/s390/include/asm/perf_event.h
Hendrik Brueckner f47586b24c perf_cpum_cf: Add support for counters available with IBM zEC12
Increase the maximum number of available counters and check if
the hardware supports the counter.  Support is indicated by the
version of the CPU-measurement counter facility.

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2012-10-18 17:50:09 +02:00

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/*
* Performance event support - s390 specific definitions.
*
* Copyright IBM Corp. 2009, 2012
* Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
* Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
*/
#include <asm/cpu_mf.h>
/* CPU-measurement counter facility */
#define PERF_CPUM_CF_MAX_CTR 256
/* Per-CPU flags for PMU states */
#define PMU_F_RESERVED 0x1000
#define PMU_F_ENABLED 0x2000