teqdruid

PDefs.Program ::= [Def] ;

DefImport.  Def ::= "import" [PackageName] ";" ;
DefPackage. Def ::= "package" [PackageName] ";" ;
DefModule.  Def ::= "module" Id "{" [ModDef] "}" ;
terminator Def "" ;

DefStorage. ModDef ::= Type Id ";" ;
DefInput.   ModDef ::= "input" Type Id ";" ;
DefOutput.  ModDef ::= "output" Type Id ";" ;

teqdruid

/* 
 *  Kernel module to initialize counters
 */

#include <linux/module.h>       /* Needed by all modules */
#include <linux/kernel.h>       /* Needed for KERN_ERR */
#include <asm/io.h>
#include <linux/fs.h>
#include <linux/slab.h>
#include <asm/uaccess.h>

teqdruid

# depmod -a; modprobe pmu_sync_sample ; sleep 0; modprobe -r pmu_sync_sample

dmesg output
[91376.479217] Found 6 counters
[91376.479339] Hello, ARM from core 0
[91376.479492] PMNC registers dump:
[91376.479583] PMNC  =0x41093001
[91376.479736] CNTENS=0x8000003f
[91376.479827] INTENS=0x00000000
[91376.479919] FLAGS =0x00000000

teqdruid

/*
 ============================================================================
 Name        : branch_mispred.c
 Author      : John Demme
 Version     : Mar 21, 2011
 Description : A template for perf_event. Requires Linux 2.6.32 or higher
 ============================================================================
*/

#define _GNU_SOURCE