Files
mckernel/lib/include/mc_perf_event.h
2018-06-13 00:31:35 +09:00

313 lines
8.8 KiB
C

/* mc_perf_event.h COPYRIGHT FUJITSU LIMITED 2016 */
#ifndef MC_PERF_EVENT_H
#define MC_PERF_EVENT_H
//#ifdef POSTK_DEBUG_TEMP_FIX_32
#include <list.h>
//#endif /*POSTK_DEBUG_TEMP_FIX_32*/
#include <march.h>
struct perf_event_attr;
/**
* IOC Macro start
*/
#define _IOC_NRBITS 8
#define _IOC_TYPEBITS 8
#ifndef _IOC_SIZEBITS
# define _IOC_SIZEBITS 14
#endif
#ifndef _IOC_DIRBITS
# define _IOC_DIRBITS 2
#endif
#define _IOC_NRSHIFT 0
#define _IOC_TYPESHIFT (_IOC_NRSHIFT+_IOC_NRBITS)
#define _IOC_SIZESHIFT (_IOC_TYPESHIFT+_IOC_TYPEBITS)
#define _IOC_DIRSHIFT (_IOC_SIZESHIFT+_IOC_SIZEBITS)
#ifndef _IOC_NONE
# define _IOC_NONE 0U
#endif
#ifndef _IOC_WRITE
# define _IOC_WRITE 1U
#endif
#ifndef _IOC_READ
# define _IOC_READ 2U
#endif
#define _IOC(dir,type,nr,size) \
(((dir) << _IOC_DIRSHIFT) | \
((type) << _IOC_TYPESHIFT) | \
((nr) << _IOC_NRSHIFT) | \
((size) << _IOC_SIZESHIFT))
#define _IOC_TYPECHECK(t) (sizeof(t))
/* used to create numbers */
#define _IO(type,nr) _IOC(_IOC_NONE,(type),(nr),0)
#define _IOR(type,nr,size) _IOC(_IOC_READ,(type),(nr),(_IOC_TYPECHECK(size)))
#define _IOW(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),(_IOC_TYPECHECK(size)))
#define _IOWR(type,nr,size) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),(_IOC_TYPECHECK(size)))
#define _IOR_BAD(type,nr,size) _IOC(_IOC_READ,(type),(nr),sizeof(size))
#define _IOW_BAD(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),sizeof(size))
#define _IOWR_BAD(type,nr,size) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),sizeof(size))
/**
* IOC Macro end
*/
#define PERF_EVENT_IOC_ENABLE _IO ('$', 0)
#define PERF_EVENT_IOC_DISABLE _IO ('$', 1)
#define PERF_EVENT_IOC_REFRESH _IO ('$', 2)
#define PERF_EVENT_IOC_RESET _IO ('$', 3)
enum perf_type_id {
PERF_TYPE_HARDWARE = 0,
PERF_TYPE_SOFTWARE = 1,
PERF_TYPE_TRACEPOINT = 2,
PERF_TYPE_HW_CACHE = 3,
PERF_TYPE_RAW = 4,
PERF_TYPE_BREAKPOINT = 5,
PERF_TYPE_MAX, /* non-ABI */
};
enum perf_event_read_format {
PERF_FORMAT_TOTAL_TIME_ENABLED = 1U << 0,
PERF_FORMAT_TOTAL_TIME_RUNNING = 1U << 1,
PERF_FORMAT_ID = 1U << 2,
PERF_FORMAT_GROUP = 1U << 3,
PERF_FORMAT_MAX = 1U << 4, /* non-ABI */
};
enum perf_hw_id {
/*
* Common hardware events, generalized by the kernel:
*/
PERF_COUNT_HW_CPU_CYCLES = 0,
PERF_COUNT_HW_INSTRUCTIONS = 1,
PERF_COUNT_HW_CACHE_REFERENCES = 2,
PERF_COUNT_HW_CACHE_MISSES = 3,
PERF_COUNT_HW_BRANCH_INSTRUCTIONS = 4,
PERF_COUNT_HW_BRANCH_MISSES = 5,
PERF_COUNT_HW_BUS_CYCLES = 6,
PERF_COUNT_HW_STALLED_CYCLES_FRONTEND = 7,
PERF_COUNT_HW_STALLED_CYCLES_BACKEND = 8,
PERF_COUNT_HW_REF_CPU_CYCLES = 9,
PERF_COUNT_HW_MAX, /* non-ABI */
};
/*
* Generalized hardware cache events:
*
* { L1-D, L1-I, LLC, ITLB, DTLB, BPU, NODE } x
* { read, write, prefetch } x
* { accesses, misses }
*/
enum perf_hw_cache_id {
PERF_COUNT_HW_CACHE_L1D = 0,
PERF_COUNT_HW_CACHE_L1I = 1,
PERF_COUNT_HW_CACHE_LL = 2,
PERF_COUNT_HW_CACHE_DTLB = 3,
PERF_COUNT_HW_CACHE_ITLB = 4,
PERF_COUNT_HW_CACHE_BPU = 5,
PERF_COUNT_HW_CACHE_NODE = 6,
PERF_COUNT_HW_CACHE_MAX, /* non-ABI */
};
enum perf_hw_cache_op_id {
PERF_COUNT_HW_CACHE_OP_READ = 0,
PERF_COUNT_HW_CACHE_OP_WRITE = 1,
PERF_COUNT_HW_CACHE_OP_PREFETCH = 2,
PERF_COUNT_HW_CACHE_OP_MAX, /* non-ABI */
};
enum perf_hw_cache_op_result_id {
PERF_COUNT_HW_CACHE_RESULT_ACCESS = 0,
PERF_COUNT_HW_CACHE_RESULT_MISS = 1,
PERF_COUNT_HW_CACHE_RESULT_MAX, /* non-ABI */
};
/*
* Hardware event_id to monitor via a performance monitoring event:
*/
struct perf_event_attr {
/*
* Major type: hardware/software/tracepoint/etc.
*/
unsigned int type;
/*
* Size of the attr structure, for fwd/bwd compat.
*/
unsigned int size;
/*
* Type specific configuration information.
*/
unsigned long config;
union {
unsigned long sample_period;
unsigned long sample_freq;
};
unsigned long sample_type;
unsigned long read_format;
unsigned long disabled : 1, /* off by default */
inherit : 1, /* children inherit it */
pinned : 1, /* must always be on PMU */
exclusive : 1, /* only group on PMU */
exclude_user : 1, /* don't count user */
exclude_kernel : 1, /* ditto kernel */
exclude_hv : 1, /* ditto hypervisor */
exclude_idle : 1, /* don't count when idle */
mmap : 1, /* include mmap data */
comm : 1, /* include comm data */
freq : 1, /* use freq, not period */
inherit_stat : 1, /* per task counts */
enable_on_exec : 1, /* next exec enables */
task : 1, /* trace fork/exit */
watermark : 1, /* wakeup_watermark */
/*
* precise_ip:
*
* 0 - SAMPLE_IP can have arbitrary skid
* 1 - SAMPLE_IP must have constant skid
* 2 - SAMPLE_IP requested to have 0 skid
* 3 - SAMPLE_IP must have 0 skid
*
* See also PERF_RECORD_MISC_EXACT_IP
*/
precise_ip : 2, /* skid constraint */
mmap_data : 1, /* non-exec mmap data */
sample_id_all : 1, /* sample_type all events */
exclude_host : 1, /* don't count in host */
exclude_guest : 1, /* don't count in guest */
exclude_callchain_kernel : 1, /* exclude kernel callchains */
exclude_callchain_user : 1, /* exclude user callchains */
mmap2 : 1, /* include mmap with inode data */
#ifdef __GENKSYMS__
__reserved_1 : 40;
#else
comm_exec : 1, /* flag comm events that are due to an exec */
__reserved_1 : 39;
#endif
union {
unsigned int wakeup_events; /* wakeup every n events */
unsigned int wakeup_watermark; /* bytes before wakeup */
};
unsigned int bp_type;
union {
unsigned long bp_addr;
unsigned long config1; /* extension of config */
};
union {
unsigned long bp_len;
unsigned long config2; /* extension of config1 */
};
unsigned long branch_sample_type; /* enum perf_branch_sample_type */
/*
* Defines set of user regs to dump on samples.
* See asm/perf_regs.h for details.
*/
unsigned long sample_regs_user;
/*
* Defines size of the user stack to dump on samples.
*/
unsigned int sample_stack_user;
/* Align to unsigned long. */
unsigned int __reserved_2;
/*
* Defines set of regs to dump for each sample
* state captured on:
* - precise = 0: PMU interrupt
* - precise > 0: sampled instruction
*
* See asm/perf_regs.h for details.
*/
#ifndef __GENKSYMS__
unsigned long sample_regs_intr;
#endif
};
struct hw_perf_event_extra {
unsigned long config;
unsigned int reg;
int idx;
};
struct mc_perf_event {
struct perf_event_attr attr;
struct hw_perf_event_extra extra_reg;
unsigned long hw_config;
unsigned long hw_config_ext;
int cpu_id;
int counter_id; // counter_id
unsigned long count; // counter_value
unsigned long child_count_total; // child_counter_value
unsigned long pmc_status;
unsigned long sample_freq;
struct mc_perf_event *parent;
struct mc_perf_event *group_leader;
struct list_head sibling_list;
int nr_siblings;
int pid;
struct list_head group_entry;
};
struct perf_event_mmap_page {
unsigned int version; // version number of this structure
unsigned int compat_version; // lowest version this is compat with
unsigned int lock; // seqlock for synchronization
unsigned int index; // hardware event identifier
long offset; // add to hardware event value
unsigned long time_enabled; // time evet active
unsigned long time_running; // time event on cpu
union {
unsigned long capabilities;
struct {
unsigned long cap_bit0 : 1, // Always 0, deprecated
cap_bit0_is_deprecated : 1, // Always 1, signals that bit 0 is zero
cap_user_rdpmc : 1, // The RDPMC instruction can be used to read counts
cap_user_time : 1, // The time_* fields are used
cap_user_time_zero : 1, // The time_zero field is used
cap_____res : 59;
};
};
unsigned short pmc_width;
unsigned short time_shift;
unsigned int time_mult;
unsigned long time_offset;
unsigned long time_zero;
unsigned int size;
unsigned char __reserved[118*8+4];
unsigned long data_head;
unsigned long data_tail;
};
#endif