trapstat.h revision 4df55fde49134f9735f84011f23a767c75e393c7
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_TRAPSTAT_H
#define _SYS_TRAPSTAT_H
#ifndef _ASM
#include <sys/processor.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
#define TSTAT_NENT 512
#ifndef _ASM
/*
* tstat_missdata_t must be of size 2^n, for some value of n. This allows
* tstat_tlbdata_t to be of size 2^(n+2), and tstat_pgszdata_t to be of
* size 2^(n+3) -- a constraint which greatly simplifies the TLB return
* entry.
*/
typedef struct tstat_missdata {
typedef struct tstat_tlbdata {
typedef struct tstat_modedata {
typedef struct tstat_pgszdata {
#ifdef sun4v
/*
* For sun4v, we optimized by using a smaller 4K data area
* per-cpu. We use separate structures for data collection,
* one for normal trapstat collection and one for collecting
* TLB stats. Note that we either collect normal trapstats
* or TLB stats, never both. For TLB stats, we are only
* 0x9, 0x32, 0x64 & 0x68)
*/
typedef struct tstat_ndata {
typedef struct tstat_tdata {
#endif /* sun4v */
typedef struct tstat_data {
} tstat_data_t;
#endif
#ifdef _KERNEL
#define TSTAT_TLGT0_NENT 256
#define TSTAT_ENT_ITLBMISS 0x64
#define TSTAT_ENT_DTLBMISS 0x68
#define TSTAT_TLBRET_NINSTR 32
#define TSTAT_PROBE_NPAGES 2048
#define TSTAT_PROBE_NLAPS 10
#ifdef sun4v
#define TSTAT_TRAPCNT_NINSTR 8
#define TSTAT_TLBENT_NINSTR 64
#define TSTAT_ENT_IMMUMISS 0x09
#define TSTAT_ENT_DMMUMISS 0x31
#endif
#ifndef _ASM
typedef struct tstat_tlbretent {
#ifdef sun4v
typedef struct tstat_tlbent {
#endif /* sun4v */
typedef struct tstat_tlbret {
typedef struct tstat_instr {
#ifdef sun4v
#endif
typedef struct tstat_tsbmiss_patch_entry {
#endif
#ifdef sun4v
#define TSTAT_INSTR_SIZE \
#define TSTAT_DATA_SHIFT 12
/*
* Sun4v trapstat can use up to 3 4MB pages to support
* 3064 cpus. Each cpu needs 4K of data page for stats collection.
* The first 32K (TSTAT_TRAPTBLE_SIZE) in the first 4 MB page is
* use for the traptable leaving 4MB - 32K = 4064K for cpu data
* which work out to be 4064/4K = 1016 cpus. Each additional
* 4MB page (2nd and 3rd ones) can support 4096/4 = 1024 cpus.
* This works out to be a total of 1016 + 1024 + 1024 = 3064 cpus.
*/
#define TSTAT_MAXNUM4M_MAPPING 3
#define TSTAT_NUM4M_LIMIT \
#error "NCPU is too large for trapstat"
#endif
/*
* Note that the macro below is almost identical to the
* one for TSTAT_NUM4M_LIMIT with one difference. Instead of
* using TSTAT_TRAPTBL_SIZE constant, it uses TSTAT_INSTR_SIZE which
* has a runtime sizeof() expression. The result should be
* the same. This macro is used at runtime as an extra
* validation for correctness.
*/
#define TSTAT_NUM4M_MACRO(ncpu) \
#else /* sun4v */
#endif /* sun4v */
#define TSTAT_CPU_SELECTED 0x0001
#define TSTAT_CPU_ALLOCATED 0x0002
#define TSTAT_CPU_ENABLED 0x0004
#define TSTAT_OPT_CPU 0x0001
#define TSTAT_OPT_NOGO 0x0002
#define TSTAT_OPT_TLBDATA 0x0004
#define TSTAT_OPT_ENTRY 0x0008
#ifndef _ASM
typedef struct tstat_percpu {
#ifdef sun4v
#endif /* sun4v */
#endif
#endif
#ifdef __cplusplus
}
#endif
#endif /* _SYS_TRAPSTAT_H */