mirror of
https://github.com/torvalds/linux.git
synced 2024-11-15 08:31:55 +00:00
5958ab88f7
Update the TLB dropin statistics kept for each GRU context. Count TLB dropins separate from the misses - some misses do not result in a TLB dropin. Some of the diagnostics need both counts. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
/*
|
|
* Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation; either version 2.1 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#ifndef __GRU_H__
|
|
#define __GRU_H__
|
|
|
|
/*
|
|
* GRU architectural definitions
|
|
*/
|
|
#define GRU_CACHE_LINE_BYTES 64
|
|
#define GRU_HANDLE_STRIDE 256
|
|
#define GRU_CB_BASE 0
|
|
#define GRU_DS_BASE 0x20000
|
|
|
|
/*
|
|
* Size used to map GRU GSeg
|
|
*/
|
|
#if defined(CONFIG_IA64)
|
|
#define GRU_GSEG_PAGESIZE (256 * 1024UL)
|
|
#elif defined(CONFIG_X86_64)
|
|
#define GRU_GSEG_PAGESIZE (256 * 1024UL) /* ZZZ 2MB ??? */
|
|
#else
|
|
#error "Unsupported architecture"
|
|
#endif
|
|
|
|
/*
|
|
* Structure for obtaining GRU resource information
|
|
*/
|
|
struct gru_chiplet_info {
|
|
int node;
|
|
int chiplet;
|
|
int blade;
|
|
int total_dsr_bytes;
|
|
int total_cbr;
|
|
int total_user_dsr_bytes;
|
|
int total_user_cbr;
|
|
int free_user_dsr_bytes;
|
|
int free_user_cbr;
|
|
};
|
|
|
|
/*
|
|
* Statictics kept for each context.
|
|
*/
|
|
struct gru_gseg_statistics {
|
|
unsigned long fmm_tlbmiss;
|
|
unsigned long upm_tlbmiss;
|
|
unsigned long tlbdropin;
|
|
unsigned long context_stolen;
|
|
unsigned long reserved[10];
|
|
};
|
|
|
|
/* Flags for GRU options on the gru_create_context() call */
|
|
/* Select one of the follow 4 options to specify how TLB misses are handled */
|
|
#define GRU_OPT_MISS_DEFAULT 0x0000 /* Use default mode */
|
|
#define GRU_OPT_MISS_USER_POLL 0x0001 /* User will poll CB for faults */
|
|
#define GRU_OPT_MISS_FMM_INTR 0x0002 /* Send interrupt to cpu to
|
|
handle fault */
|
|
#define GRU_OPT_MISS_FMM_POLL 0x0003 /* Use system polling thread */
|
|
#define GRU_OPT_MISS_MASK 0x0003 /* Mask for TLB MISS option */
|
|
|
|
|
|
|
|
#endif /* __GRU_H__ */
|