Add support for BERI statcounters.
BERI stands for Bluespec Extensible RISC Implementation, based on MIPS. BERI has not implemented standard MIPS perfomance monitoring counters, instead it provides statistical counters. BERI statcounters have a several limitations: - They can't be written - They don't support start/stop operation - None of hardware interrupt is provided on a counter overflow. So make it separate to hwpmc_mips module and support process/system counting mode only. Sponsored by: DARPA, AFRL
This commit is contained in:
Ruslan Bukin
parent
382e01c8dc
commit
230754ccca
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=352487
@ -143,6 +143,7 @@ PMC_CLASSDEP_TABLE(k8, K8);
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PMC_CLASSDEP_TABLE(xscale, XSCALE);
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PMC_CLASSDEP_TABLE(armv7, ARMV7);
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PMC_CLASSDEP_TABLE(armv8, ARMV8);
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PMC_CLASSDEP_TABLE(beri, BERI);
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PMC_CLASSDEP_TABLE(mips24k, MIPS24K);
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PMC_CLASSDEP_TABLE(mips74k, MIPS74K);
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PMC_CLASSDEP_TABLE(octeon, OCTEON);
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@ -187,6 +188,7 @@ static const struct pmc_event_descr cortex_a57_event_table[] =
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PMC_MDEP_TABLE(k8, K8, PMC_CLASS_SOFT, PMC_CLASS_TSC);
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PMC_MDEP_TABLE(xscale, XSCALE, PMC_CLASS_SOFT, PMC_CLASS_XSCALE);
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PMC_MDEP_TABLE(beri, BERI, PMC_CLASS_SOFT, PMC_CLASS_BERI);
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PMC_MDEP_TABLE(cortex_a8, ARMV7, PMC_CLASS_SOFT, PMC_CLASS_ARMV7);
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PMC_MDEP_TABLE(cortex_a9, ARMV7, PMC_CLASS_SOFT, PMC_CLASS_ARMV7);
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PMC_MDEP_TABLE(cortex_a53, ARMV8, PMC_CLASS_SOFT, PMC_CLASS_ARMV8);
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@ -235,6 +237,7 @@ PMC_CLASS_TABLE_DESC(cortex_a53, ARMV8, cortex_a53, arm64);
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PMC_CLASS_TABLE_DESC(cortex_a57, ARMV8, cortex_a57, arm64);
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#endif
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#if defined(__mips__)
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PMC_CLASS_TABLE_DESC(beri, BERI, beri, mips);
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PMC_CLASS_TABLE_DESC(mips24k, MIPS24K, mips24k, mips);
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PMC_CLASS_TABLE_DESC(mips74k, MIPS74K, mips74k, mips);
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PMC_CLASS_TABLE_DESC(octeon, OCTEON, octeon, mips);
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@ -829,6 +832,11 @@ arm64_allocate_pmc(enum pmc_event pe, char *ctrspec __unused,
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#if defined(__mips__)
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static struct pmc_event_alias beri_aliases[] = {
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EV_ALIAS("instructions", "INST"),
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EV_ALIAS(NULL, NULL)
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};
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static struct pmc_event_alias mips24k_aliases[] = {
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EV_ALIAS("instructions", "INSTR_EXECUTED"),
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EV_ALIAS("branches", "BRANCH_COMPLETED"),
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@ -1267,6 +1275,10 @@ pmc_event_names_of_class(enum pmc_class cl, const char ***eventnames,
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break;
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}
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break;
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case PMC_CLASS_BERI:
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ev = beri_event_table;
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count = PMC_EVENT_TABLE_SIZE(beri);
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break;
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case PMC_CLASS_MIPS24K:
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ev = mips24k_event_table;
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count = PMC_EVENT_TABLE_SIZE(mips24k);
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@ -1508,6 +1520,10 @@ pmc_init(void)
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break;
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#endif
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#if defined(__mips__)
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case PMC_CPU_MIPS_BERI:
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PMC_MDEP_INIT(beri);
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pmc_class_table[n] = &beri_class_table_descr;
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break;
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case PMC_CPU_MIPS_24K:
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PMC_MDEP_INIT(mips24k);
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pmc_class_table[n] = &mips24k_class_table_descr;
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@ -1645,6 +1661,9 @@ _pmc_name_of_event(enum pmc_event pe, enum pmc_cputype cpu)
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default: /* Unknown CPU type. */
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break;
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}
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} else if (pe >= PMC_EV_BERI_FIRST && pe <= PMC_EV_BERI_LAST) {
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ev = beri_event_table;
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evfence = beri_event_table + PMC_EVENT_TABLE_SIZE(beri);
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} else if (pe >= PMC_EV_MIPS24K_FIRST && pe <= PMC_EV_MIPS24K_LAST) {
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ev = mips24k_event_table;
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evfence = mips24k_event_table + PMC_EVENT_TABLE_SIZE(mips24k);
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@ -91,7 +91,9 @@ dev/nvram2env/nvram2env_mips.c optional nvram2env
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dev/nvram2env/nvram2env.c optional nvram2env
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# hwpmc support
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dev/hwpmc/hwpmc_mips.c optional hwpmc
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dev/hwpmc/hwpmc_beri.c optional hwpmc_beri
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dev/hwpmc/hwpmc_mips.c optional hwpmc_mips24k | \
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hwpmc_mips74k
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dev/hwpmc/hwpmc_mips24k.c optional hwpmc_mips24k
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dev/hwpmc/hwpmc_mips74k.c optional hwpmc_mips74k
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540
sys/dev/hwpmc/hwpmc_beri.c
Normal file
540
sys/dev/hwpmc/hwpmc_beri.c
Normal file
@ -0,0 +1,540 @@
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/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2019 Ruslan Bukin <br@bsdpad.com>
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*
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* This software was developed by SRI International and the University of
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* Cambridge Computer Laboratory (Department of Computer Science and
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* Technology) under DARPA contract HR0011-18-C-0016 ("ECATS"), as part of the
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* DARPA SSITH research programme.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_hwpmc_hooks.h"
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#include <sys/param.h>
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#include <sys/pmckern.h>
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#include <dev/hwpmc/hwpmc_beri.h>
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#define BERI_NCOUNTERS 56
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#define BERI_PMC_CAPS (PMC_CAP_USER | PMC_CAP_SYSTEM | \
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PMC_CAP_READ | PMC_CAP_WRITE )
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struct beri_event_code_map {
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uint32_t pe_ev; /* enum value */
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uint64_t (*get_func)(void);
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};
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const struct beri_event_code_map beri_event_codes[BERI_NCOUNTERS] = {
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{ PMC_EV_BERI_CYCLE,
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statcounters_get_cycle_count },
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{ PMC_EV_BERI_INST,
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statcounters_get_inst_count },
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{ PMC_EV_BERI_INST_USER,
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statcounters_get_inst_user_count },
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{ PMC_EV_BERI_INST_KERNEL,
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statcounters_get_inst_kernel_count },
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{ PMC_EV_BERI_IMPRECISE_SETBOUNDS,
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statcounters_get_imprecise_setbounds_count },
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{ PMC_EV_BERI_UNREPRESENTABLE_CAPS,
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statcounters_get_unrepresentable_caps_count },
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{ PMC_EV_BERI_ITLB_MISS,
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statcounters_get_itlb_miss_count },
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{ PMC_EV_BERI_DTLB_MISS,
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statcounters_get_dtlb_miss_count },
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{ PMC_EV_BERI_ICACHE_WRITE_HIT,
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statcounters_get_icache_write_hit_count },
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{ PMC_EV_BERI_ICACHE_WRITE_MISS,
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statcounters_get_icache_write_miss_count },
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{ PMC_EV_BERI_ICACHE_READ_HIT,
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statcounters_get_icache_read_hit_count },
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{ PMC_EV_BERI_ICACHE_READ_MISS,
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statcounters_get_icache_read_miss_count },
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{ PMC_EV_BERI_ICACHE_EVICT,
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statcounters_get_icache_evict_count },
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{ PMC_EV_BERI_DCACHE_WRITE_HIT,
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statcounters_get_dcache_write_hit_count },
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{ PMC_EV_BERI_DCACHE_WRITE_MISS,
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statcounters_get_dcache_write_miss_count },
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{ PMC_EV_BERI_DCACHE_READ_HIT,
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statcounters_get_dcache_read_hit_count },
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{ PMC_EV_BERI_DCACHE_READ_MISS,
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statcounters_get_dcache_read_miss_count },
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{ PMC_EV_BERI_DCACHE_EVICT,
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statcounters_get_dcache_evict_count },
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{ PMC_EV_BERI_DCACHE_SET_TAG_WRITE,
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statcounters_get_dcache_set_tag_write_count },
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{ PMC_EV_BERI_DCACHE_SET_TAG_READ,
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statcounters_get_dcache_set_tag_read_count },
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{ PMC_EV_BERI_L2CACHE_WRITE_HIT,
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statcounters_get_l2cache_write_hit_count },
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{ PMC_EV_BERI_L2CACHE_WRITE_MISS,
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statcounters_get_l2cache_write_miss_count },
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{ PMC_EV_BERI_L2CACHE_READ_HIT,
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statcounters_get_l2cache_read_hit_count },
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{ PMC_EV_BERI_L2CACHE_READ_MISS,
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statcounters_get_l2cache_read_miss_count },
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{ PMC_EV_BERI_L2CACHE_EVICT,
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statcounters_get_l2cache_evict_count },
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{ PMC_EV_BERI_L2CACHE_SET_TAG_WRITE,
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statcounters_get_l2cache_set_tag_write_count },
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{ PMC_EV_BERI_L2CACHE_SET_TAG_READ,
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statcounters_get_l2cache_set_tag_read_count },
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{ PMC_EV_BERI_MEM_BYTE_READ,
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statcounters_get_mem_byte_read_count },
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{ PMC_EV_BERI_MEM_BYTE_WRITE,
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statcounters_get_mem_byte_write_count },
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{ PMC_EV_BERI_MEM_HWORD_READ,
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statcounters_get_mem_hword_read_count },
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{ PMC_EV_BERI_MEM_HWORD_WRITE,
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statcounters_get_mem_hword_write_count },
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{ PMC_EV_BERI_MEM_WORD_READ,
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statcounters_get_mem_word_read_count },
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{ PMC_EV_BERI_MEM_WORD_WRITE,
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statcounters_get_mem_word_write_count },
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{ PMC_EV_BERI_MEM_DWORD_READ,
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statcounters_get_mem_dword_read_count },
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{ PMC_EV_BERI_MEM_DWORD_WRITE,
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statcounters_get_mem_dword_write_count },
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{ PMC_EV_BERI_MEM_CAP_READ,
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statcounters_get_mem_cap_read_count },
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{ PMC_EV_BERI_MEM_CAP_WRITE,
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statcounters_get_mem_cap_write_count },
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{ PMC_EV_BERI_MEM_CAP_READ_TAG_SET,
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statcounters_get_mem_cap_read_tag_set_count },
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{ PMC_EV_BERI_MEM_CAP_WRITE_TAG_SET,
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statcounters_get_mem_cap_write_tag_set_count },
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{ PMC_EV_BERI_TAGCACHE_WRITE_HIT,
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statcounters_get_tagcache_write_hit_count },
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{ PMC_EV_BERI_TAGCACHE_WRITE_MISS,
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statcounters_get_tagcache_write_miss_count },
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{ PMC_EV_BERI_TAGCACHE_READ_HIT,
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statcounters_get_tagcache_read_hit_count },
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{ PMC_EV_BERI_TAGCACHE_READ_MISS,
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statcounters_get_tagcache_read_miss_count },
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{ PMC_EV_BERI_TAGCACHE_EVICT,
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statcounters_get_tagcache_evict_count },
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{ PMC_EV_BERI_L2CACHEMASTER_READ_REQ,
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statcounters_get_l2cachemaster_read_req_count },
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{ PMC_EV_BERI_L2CACHEMASTER_WRITE_REQ,
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statcounters_get_l2cachemaster_write_req_count },
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{ PMC_EV_BERI_L2CACHEMASTER_WRITE_REQ_FLIT,
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statcounters_get_l2cachemaster_write_req_flit_count },
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{ PMC_EV_BERI_L2CACHEMASTER_READ_RSP,
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statcounters_get_l2cachemaster_read_rsp_count },
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{ PMC_EV_BERI_L2CACHEMASTER_READ_RSP_FLIT,
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statcounters_get_l2cachemaster_read_rsp_flit_count },
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{ PMC_EV_BERI_L2CACHEMASTER_WRITE_RSP,
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statcounters_get_l2cachemaster_write_rsp_count },
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{ PMC_EV_BERI_TAGCACHEMASTER_READ_REQ,
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statcounters_get_tagcachemaster_read_req_count },
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{ PMC_EV_BERI_TAGCACHEMASTER_WRITE_REQ,
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statcounters_get_tagcachemaster_write_req_count },
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{ PMC_EV_BERI_TAGCACHEMASTER_WRITE_REQ_FLIT,
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statcounters_get_tagcachemaster_write_req_flit_count },
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{ PMC_EV_BERI_TAGCACHEMASTER_READ_RSP,
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statcounters_get_tagcachemaster_read_rsp_count },
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{ PMC_EV_BERI_TAGCACHEMASTER_READ_RSP_FLIT,
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statcounters_get_tagcachemaster_read_rsp_flit_count },
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{ PMC_EV_BERI_TAGCACHEMASTER_WRITE_RSP,
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statcounters_get_tagcachemaster_write_rsp_count },
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};
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struct mips_pmc_spec beri_pmc_spec = {
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.ps_cpuclass = PMC_CLASS_BERI,
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.ps_cputype = PMC_CPU_MIPS_BERI,
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.ps_capabilities = BERI_PMC_CAPS,
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.ps_counter_width = 64
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};
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/*
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* Per-processor information.
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*/
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struct beri_cpu {
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struct pmc_hw *pc_beripmcs;
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uint64_t start_values[BERI_NCOUNTERS];
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uint64_t stop_values[BERI_NCOUNTERS];
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uint64_t saved_values[BERI_NCOUNTERS];
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};
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int beri_npmcs;
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static struct beri_cpu **beri_pcpu;
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static int
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beri_allocate_pmc(int cpu, int ri, struct pmc *pm,
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const struct pmc_op_pmcallocate *a)
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{
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uint32_t config;
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int i;
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KASSERT(cpu >= 0 && cpu < pmc_cpu_max(),
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("[beri,%d] illegal CPU value %d", __LINE__, cpu));
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KASSERT(ri >= 0 && ri < beri_npmcs,
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("[beri,%d] illegal row index %d", __LINE__, ri));
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if (a->pm_class != beri_pmc_spec.ps_cpuclass)
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return (EINVAL);
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for (i = 0; i < BERI_NCOUNTERS; i++) {
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if (beri_event_codes[i].pe_ev == a->pm_ev) {
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config = i;
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break;
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}
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}
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if (i == BERI_NCOUNTERS)
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return (EINVAL);
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pm->pm_md.pm_mips_evsel = config;
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PMCDBG2(MDP,ALL,2,"beri-allocate ri=%d -> config=0x%x", ri, config);
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return (0);
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}
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static int
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beri_read_pmc(int cpu, int ri, pmc_value_t *v)
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{
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uint32_t config;
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struct pmc *pm;
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pmc_value_t new;
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pmc_value_t start_val;
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pmc_value_t stop_val;
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pmc_value_t saved_val;
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pmc_value_t result;
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KASSERT(cpu >= 0 && cpu < pmc_cpu_max(),
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("[beri,%d] illegal CPU value %d", __LINE__, cpu));
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KASSERT(ri >= 0 && ri < beri_npmcs,
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("[beri,%d] illegal row index %d", __LINE__, ri));
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pm = beri_pcpu[cpu]->pc_beripmcs[ri].phw_pmc;
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config = pm->pm_md.pm_mips_evsel;
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start_val = beri_pcpu[cpu]->start_values[config];
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if (PMC_IS_SYSTEM_MODE(PMC_TO_MODE(pm))) {
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stop_val = beri_event_codes[config].get_func();
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} else
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stop_val = beri_pcpu[cpu]->stop_values[config];
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if (start_val <= stop_val)
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result = stop_val - start_val;
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else {
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if (config == 0) /* CYCLE counter is 48 bit */
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result = 0x00ffffffffffffffUL;
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else
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result = 0xffffffffffffffffUL;
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result -= start_val;
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result += stop_val;
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}
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saved_val = beri_pcpu[cpu]->saved_values[config];
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*v = result + saved_val;
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return (0);
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}
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static int
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beri_write_pmc(int cpu, int ri, pmc_value_t v)
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{
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struct pmc *pm;
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uint32_t config;
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KASSERT(cpu >= 0 && cpu < pmc_cpu_max(),
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("[beri,%d] illegal CPU value %d", __LINE__, cpu));
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KASSERT(ri >= 0 && ri < beri_npmcs,
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("[beri,%d] illegal row-index %d", __LINE__, ri));
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pm = beri_pcpu[cpu]->pc_beripmcs[ri].phw_pmc;
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config = pm->pm_md.pm_mips_evsel;
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if (PMC_IS_SAMPLING_MODE(PMC_TO_MODE(pm)))
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v = (1UL << (beri_pmc_spec.ps_counter_width - 1)) - v;
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PMCDBG3(MDP,WRI,1,"beri-write cpu=%d ri=%d v=%jx", cpu, ri, v);
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if (PMC_IS_SYSTEM_MODE(PMC_TO_MODE(pm)))
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beri_pcpu[cpu]->saved_values[config] = 0;
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else
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beri_pcpu[cpu]->saved_values[config] = v;
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return (0);
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||||
}
|
||||
|
||||
static int
|
||||
beri_config_pmc(int cpu, int ri, struct pmc *pm)
|
||||
{
|
||||
struct pmc_hw *phw;
|
||||
|
||||
PMCDBG3(MDP,CFG,1, "cpu=%d ri=%d pm=%p", cpu, ri, pm);
|
||||
|
||||
KASSERT(cpu >= 0 && cpu < pmc_cpu_max(),
|
||||
("[beri,%d] illegal CPU value %d", __LINE__, cpu));
|
||||
KASSERT(ri >= 0 && ri < beri_npmcs,
|
||||
("[beri,%d] illegal row-index %d", __LINE__, ri));
|
||||
|
||||
phw = &beri_pcpu[cpu]->pc_beripmcs[ri];
|
||||
|
||||
KASSERT(pm == NULL || phw->phw_pmc == NULL,
|
||||
("[beri,%d] pm=%p phw->pm=%p hwpmc not unconfigured",
|
||||
__LINE__, pm, phw->phw_pmc));
|
||||
|
||||
phw->phw_pmc = pm;
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
beri_start_pmc(int cpu, int ri)
|
||||
{
|
||||
uint32_t config;
|
||||
struct pmc *pm;
|
||||
struct pmc_hw *phw;
|
||||
pmc_value_t v;
|
||||
|
||||
phw = &beri_pcpu[cpu]->pc_beripmcs[ri];
|
||||
pm = phw->phw_pmc;
|
||||
config = pm->pm_md.pm_mips_evsel;
|
||||
|
||||
v = beri_event_codes[config].get_func();
|
||||
beri_pcpu[cpu]->start_values[config] = v;
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
beri_stop_pmc(int cpu, int ri)
|
||||
{
|
||||
uint32_t config;
|
||||
struct pmc *pm;
|
||||
struct pmc_hw *phw;
|
||||
pmc_value_t v;
|
||||
|
||||
phw = &beri_pcpu[cpu]->pc_beripmcs[ri];
|
||||
pm = phw->phw_pmc;
|
||||
config = pm->pm_md.pm_mips_evsel;
|
||||
|
||||
v = beri_event_codes[config].get_func();
|
||||
beri_pcpu[cpu]->stop_values[config] = v;
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
beri_release_pmc(int cpu, int ri, struct pmc *pmc)
|
||||
{
|
||||
struct pmc_hw *phw;
|
||||
|
||||
KASSERT(cpu >= 0 && cpu < pmc_cpu_max(),
|
||||
("[beri,%d] illegal CPU value %d", __LINE__, cpu));
|
||||
KASSERT(ri >= 0 && ri < beri_npmcs,
|
||||
("[beri,%d] illegal row-index %d", __LINE__, ri));
|
||||
|
||||
phw = &beri_pcpu[cpu]->pc_beripmcs[ri];
|
||||
KASSERT(phw->phw_pmc == NULL,
|
||||
("[beri,%d] PHW pmc %p non-NULL", __LINE__, phw->phw_pmc));
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
beri_describe(int cpu, int ri, struct pmc_info *pi, struct pmc **ppmc)
|
||||
{
|
||||
struct pmc_hw *phw;
|
||||
char beri_name[PMC_NAME_MAX];
|
||||
int error;
|
||||
|
||||
KASSERT(cpu >= 0 && cpu < pmc_cpu_max(),
|
||||
("[beri,%d], illegal CPU %d", __LINE__, cpu));
|
||||
KASSERT(ri >= 0 && ri < beri_npmcs,
|
||||
("[beri,%d] row-index %d out of range", __LINE__, ri));
|
||||
|
||||
phw = &beri_pcpu[cpu]->pc_beripmcs[ri];
|
||||
snprintf(beri_name, sizeof(beri_name), "MIPS-%d", ri);
|
||||
if ((error = copystr(beri_name, pi->pm_name, PMC_NAME_MAX,
|
||||
NULL)) != 0)
|
||||
return error;
|
||||
pi->pm_class = beri_pmc_spec.ps_cpuclass;
|
||||
if (phw->phw_state & PMC_PHW_FLAG_IS_ENABLED) {
|
||||
pi->pm_enabled = TRUE;
|
||||
*ppmc = phw->phw_pmc;
|
||||
} else {
|
||||
pi->pm_enabled = FALSE;
|
||||
*ppmc = NULL;
|
||||
}
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
beri_get_config(int cpu, int ri, struct pmc **ppm)
|
||||
{
|
||||
|
||||
*ppm = beri_pcpu[cpu]->pc_beripmcs[ri].phw_pmc;
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
beri_pmc_switch_in(struct pmc_cpu *pc, struct pmc_process *pp)
|
||||
{
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
beri_pmc_switch_out(struct pmc_cpu *pc, struct pmc_process *pp)
|
||||
{
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
beri_pcpu_init(struct pmc_mdep *md, int cpu)
|
||||
{
|
||||
int first_ri, i;
|
||||
struct pmc_cpu *pc;
|
||||
struct beri_cpu *pac;
|
||||
struct pmc_hw *phw;
|
||||
|
||||
KASSERT(cpu >= 0 && cpu < pmc_cpu_max(),
|
||||
("[beri,%d] wrong cpu number %d", __LINE__, cpu));
|
||||
PMCDBG1(MDP,INI,1,"beri-init cpu=%d", cpu);
|
||||
|
||||
beri_pcpu[cpu] = pac = malloc(sizeof(struct beri_cpu), M_PMC,
|
||||
M_WAITOK|M_ZERO);
|
||||
pac->pc_beripmcs = malloc(sizeof(struct pmc_hw) * beri_npmcs,
|
||||
M_PMC, M_WAITOK|M_ZERO);
|
||||
pc = pmc_pcpu[cpu];
|
||||
first_ri = md->pmd_classdep[PMC_MDEP_CLASS_INDEX_MIPS].pcd_ri;
|
||||
KASSERT(pc != NULL, ("[beri,%d] NULL per-cpu pointer", __LINE__));
|
||||
|
||||
for (i = 0, phw = pac->pc_beripmcs; i < beri_npmcs; i++, phw++) {
|
||||
phw->phw_state = PMC_PHW_FLAG_IS_ENABLED |
|
||||
PMC_PHW_CPU_TO_STATE(cpu) | PMC_PHW_INDEX_TO_STATE(i);
|
||||
phw->phw_pmc = NULL;
|
||||
pc->pc_hwpmcs[i + first_ri] = phw;
|
||||
}
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
beri_pcpu_fini(struct pmc_mdep *md, int cpu)
|
||||
{
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
struct pmc_mdep *
|
||||
pmc_beri_initialize()
|
||||
{
|
||||
struct pmc_mdep *pmc_mdep;
|
||||
struct pmc_classdep *pcd;
|
||||
|
||||
snprintf(pmc_cpuid, sizeof(pmc_cpuid), "beri");
|
||||
|
||||
beri_npmcs = 2;
|
||||
|
||||
PMCDBG1(MDP,INI,1,"beri-init npmcs=%d", beri_npmcs);
|
||||
|
||||
/*
|
||||
* Allocate space for pointers to PMC HW descriptors and for
|
||||
* the MDEP structure used by MI code.
|
||||
*/
|
||||
beri_pcpu = malloc(sizeof(struct beri_cpu *) * pmc_cpu_max(), M_PMC,
|
||||
M_WAITOK|M_ZERO);
|
||||
|
||||
/* Just one class */
|
||||
pmc_mdep = pmc_mdep_alloc(1);
|
||||
|
||||
pmc_mdep->pmd_cputype = beri_pmc_spec.ps_cputype;
|
||||
|
||||
pcd = &pmc_mdep->pmd_classdep[PMC_MDEP_CLASS_INDEX_MIPS];
|
||||
pcd->pcd_caps = beri_pmc_spec.ps_capabilities;
|
||||
pcd->pcd_class = beri_pmc_spec.ps_cpuclass;
|
||||
pcd->pcd_num = beri_npmcs;
|
||||
pcd->pcd_ri = pmc_mdep->pmd_npmc;
|
||||
pcd->pcd_width = beri_pmc_spec.ps_counter_width;
|
||||
|
||||
pcd->pcd_allocate_pmc = beri_allocate_pmc;
|
||||
pcd->pcd_config_pmc = beri_config_pmc;
|
||||
pcd->pcd_pcpu_fini = beri_pcpu_fini;
|
||||
pcd->pcd_pcpu_init = beri_pcpu_init;
|
||||
pcd->pcd_describe = beri_describe;
|
||||
pcd->pcd_get_config = beri_get_config;
|
||||
pcd->pcd_read_pmc = beri_read_pmc;
|
||||
pcd->pcd_release_pmc = beri_release_pmc;
|
||||
pcd->pcd_start_pmc = beri_start_pmc;
|
||||
pcd->pcd_stop_pmc = beri_stop_pmc;
|
||||
pcd->pcd_write_pmc = beri_write_pmc;
|
||||
|
||||
pmc_mdep->pmd_intr = NULL;
|
||||
pmc_mdep->pmd_switch_in = beri_pmc_switch_in;
|
||||
pmc_mdep->pmd_switch_out = beri_pmc_switch_out;
|
||||
|
||||
pmc_mdep->pmd_npmc += beri_npmcs;
|
||||
|
||||
return (pmc_mdep);
|
||||
}
|
||||
|
||||
void
|
||||
pmc_beri_finalize(struct pmc_mdep *md)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
struct pmc_mdep *
|
||||
pmc_md_initialize()
|
||||
{
|
||||
|
||||
return (pmc_beri_initialize());
|
||||
}
|
||||
|
||||
void
|
||||
pmc_md_finalize(struct pmc_mdep *md)
|
||||
{
|
||||
|
||||
return (pmc_beri_finalize(md));
|
||||
}
|
||||
|
||||
int
|
||||
pmc_save_kernel_callchain(uintptr_t *cc, int nframes,
|
||||
struct trapframe *tf)
|
||||
{
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
int
|
||||
pmc_save_user_callchain(uintptr_t *cc, int nframes,
|
||||
struct trapframe *tf)
|
||||
{
|
||||
|
||||
return (0);
|
||||
}
|
||||
107
sys/dev/hwpmc/hwpmc_beri.h
Normal file
107
sys/dev/hwpmc/hwpmc_beri.h
Normal file
@ -0,0 +1,107 @@
|
||||
/*-
|
||||
* SPDX-License-Identifier: BSD-2-Clause
|
||||
*
|
||||
* Copyright (c) 2019 Alex Richardson
|
||||
*
|
||||
* This software was developed by SRI International and the University of
|
||||
* Cambridge Computer Laboratory (Department of Computer Science and
|
||||
* Technology) under DARPA contract HR0011-18-C-0016 ("ECATS"), as part of the
|
||||
* DARPA SSITH research programme.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
#ifndef _DEV_HWPMC_HWPMC_BERI_H_
|
||||
#define _DEV_HWPMC_HWPMC_BERI_H_
|
||||
|
||||
#define STATCOUNTER_ITEM(name, X, Y) \
|
||||
static inline uint64_t statcounters_get_##name##_count(void) \
|
||||
{ \
|
||||
uint64_t ret; \
|
||||
__asm __volatile( \
|
||||
".word (0x1f << 26) | (0x0 << 21) | \
|
||||
(12 << 16) | ("#X" << 11) | \
|
||||
( "#Y" << 6) | 0x3b\n\t" \
|
||||
"move %0,$12" : "=r" (ret) :: "$12"); \
|
||||
return (ret); \
|
||||
}
|
||||
|
||||
STATCOUNTER_ITEM(cycle,2,0)
|
||||
STATCOUNTER_ITEM(inst,4,0)
|
||||
STATCOUNTER_ITEM(inst_user,4,1)
|
||||
STATCOUNTER_ITEM(inst_kernel,4,2)
|
||||
STATCOUNTER_ITEM(imprecise_setbounds,4,3)
|
||||
STATCOUNTER_ITEM(unrepresentable_caps,4,4)
|
||||
STATCOUNTER_ITEM(itlb_miss,5,0)
|
||||
STATCOUNTER_ITEM(dtlb_miss,6,0)
|
||||
STATCOUNTER_ITEM(icache_write_hit,8,0)
|
||||
STATCOUNTER_ITEM(icache_write_miss,8,1)
|
||||
STATCOUNTER_ITEM(icache_read_hit,8,2)
|
||||
STATCOUNTER_ITEM(icache_read_miss,8,3)
|
||||
STATCOUNTER_ITEM(icache_evict,8,6)
|
||||
STATCOUNTER_ITEM(dcache_write_hit,9,0)
|
||||
STATCOUNTER_ITEM(dcache_write_miss,9,1)
|
||||
STATCOUNTER_ITEM(dcache_read_hit,9,2)
|
||||
STATCOUNTER_ITEM(dcache_read_miss,9,3)
|
||||
STATCOUNTER_ITEM(dcache_evict,9,6)
|
||||
STATCOUNTER_ITEM(dcache_set_tag_write,9,8)
|
||||
STATCOUNTER_ITEM(dcache_set_tag_read,9,9)
|
||||
STATCOUNTER_ITEM(l2cache_write_hit,10,0)
|
||||
STATCOUNTER_ITEM(l2cache_write_miss,10,1)
|
||||
STATCOUNTER_ITEM(l2cache_read_hit,10,2)
|
||||
STATCOUNTER_ITEM(l2cache_read_miss,10,3)
|
||||
STATCOUNTER_ITEM(l2cache_evict,10,6)
|
||||
STATCOUNTER_ITEM(l2cache_set_tag_write,10,8)
|
||||
STATCOUNTER_ITEM(l2cache_set_tag_read,10,9)
|
||||
STATCOUNTER_ITEM(mem_byte_read,11,0)
|
||||
STATCOUNTER_ITEM(mem_byte_write,11,1)
|
||||
STATCOUNTER_ITEM(mem_hword_read,11,2)
|
||||
STATCOUNTER_ITEM(mem_hword_write,11,3)
|
||||
STATCOUNTER_ITEM(mem_word_read,11,4)
|
||||
STATCOUNTER_ITEM(mem_word_write,11,5)
|
||||
STATCOUNTER_ITEM(mem_dword_read,11,6)
|
||||
STATCOUNTER_ITEM(mem_dword_write,11,7)
|
||||
STATCOUNTER_ITEM(mem_cap_read,11,8)
|
||||
STATCOUNTER_ITEM(mem_cap_write,11,9)
|
||||
STATCOUNTER_ITEM(mem_cap_read_tag_set,11,10)
|
||||
STATCOUNTER_ITEM(mem_cap_write_tag_set,11,11)
|
||||
STATCOUNTER_ITEM(tagcache_write_hit,12,0)
|
||||
STATCOUNTER_ITEM(tagcache_write_miss,12,1)
|
||||
STATCOUNTER_ITEM(tagcache_read_hit,12,2)
|
||||
STATCOUNTER_ITEM(tagcache_read_miss,12,3)
|
||||
STATCOUNTER_ITEM(tagcache_evict,12,6)
|
||||
STATCOUNTER_ITEM(l2cachemaster_read_req,13,0)
|
||||
STATCOUNTER_ITEM(l2cachemaster_write_req,13,1)
|
||||
STATCOUNTER_ITEM(l2cachemaster_write_req_flit,13,2)
|
||||
STATCOUNTER_ITEM(l2cachemaster_read_rsp,13,3)
|
||||
STATCOUNTER_ITEM(l2cachemaster_read_rsp_flit,13,4)
|
||||
STATCOUNTER_ITEM(l2cachemaster_write_rsp,13,5)
|
||||
STATCOUNTER_ITEM(tagcachemaster_read_req,14,0)
|
||||
STATCOUNTER_ITEM(tagcachemaster_write_req,14,1)
|
||||
STATCOUNTER_ITEM(tagcachemaster_write_req_flit,14,2)
|
||||
STATCOUNTER_ITEM(tagcachemaster_read_rsp,14,3)
|
||||
STATCOUNTER_ITEM(tagcachemaster_read_rsp_flit,14,4)
|
||||
STATCOUNTER_ITEM(tagcachemaster_write_rsp,14,5)
|
||||
|
||||
#endif /* !_DEV_HWPMC_HWPMC_BERI_H_ */
|
||||
@ -1246,6 +1246,67 @@ __PMC_EV_ALIAS("unhalted-core-cycles", IAP_ARCH_UNH_COR_CYC)
|
||||
#define PMC_EV_MIPS74K_FIRST PMC_EV_MIPS74K_CYCLES
|
||||
#define PMC_EV_MIPS74K_LAST PMC_EV_MIPS74K_WBB_25_50_FULL
|
||||
|
||||
#define __PMC_EV_BERI() \
|
||||
__PMC_EV(BERI, CYCLE) \
|
||||
__PMC_EV(BERI, INST) \
|
||||
__PMC_EV(BERI, INST_USER) \
|
||||
__PMC_EV(BERI, INST_KERNEL) \
|
||||
__PMC_EV(BERI, IMPRECISE_SETBOUNDS) \
|
||||
__PMC_EV(BERI, UNREPRESENTABLE_CAPS) \
|
||||
__PMC_EV(BERI, ITLB_MISS) \
|
||||
__PMC_EV(BERI, DTLB_MISS) \
|
||||
__PMC_EV(BERI, ICACHE_WRITE_HIT) \
|
||||
__PMC_EV(BERI, ICACHE_WRITE_MISS) \
|
||||
__PMC_EV(BERI, ICACHE_READ_HIT) \
|
||||
__PMC_EV(BERI, ICACHE_READ_MISS) \
|
||||
__PMC_EV(BERI, ICACHE_EVICT) \
|
||||
__PMC_EV(BERI, DCACHE_WRITE_HIT) \
|
||||
__PMC_EV(BERI, DCACHE_WRITE_MISS) \
|
||||
__PMC_EV(BERI, DCACHE_READ_HIT) \
|
||||
__PMC_EV(BERI, DCACHE_READ_MISS) \
|
||||
__PMC_EV(BERI, DCACHE_EVICT) \
|
||||
__PMC_EV(BERI, DCACHE_SET_TAG_WRITE) \
|
||||
__PMC_EV(BERI, DCACHE_SET_TAG_READ) \
|
||||
__PMC_EV(BERI, L2CACHE_WRITE_HIT) \
|
||||
__PMC_EV(BERI, L2CACHE_WRITE_MISS) \
|
||||
__PMC_EV(BERI, L2CACHE_READ_HIT) \
|
||||
__PMC_EV(BERI, L2CACHE_READ_MISS) \
|
||||
__PMC_EV(BERI, L2CACHE_EVICT) \
|
||||
__PMC_EV(BERI, L2CACHE_SET_TAG_WRITE) \
|
||||
__PMC_EV(BERI, L2CACHE_SET_TAG_READ) \
|
||||
__PMC_EV(BERI, MEM_BYTE_READ) \
|
||||
__PMC_EV(BERI, MEM_BYTE_WRITE) \
|
||||
__PMC_EV(BERI, MEM_HWORD_READ) \
|
||||
__PMC_EV(BERI, MEM_HWORD_WRITE) \
|
||||
__PMC_EV(BERI, MEM_WORD_READ) \
|
||||
__PMC_EV(BERI, MEM_WORD_WRITE) \
|
||||
__PMC_EV(BERI, MEM_DWORD_READ) \
|
||||
__PMC_EV(BERI, MEM_DWORD_WRITE) \
|
||||
__PMC_EV(BERI, MEM_CAP_READ) \
|
||||
__PMC_EV(BERI, MEM_CAP_WRITE) \
|
||||
__PMC_EV(BERI, MEM_CAP_READ_TAG_SET) \
|
||||
__PMC_EV(BERI, MEM_CAP_WRITE_TAG_SET) \
|
||||
__PMC_EV(BERI, TAGCACHE_WRITE_HIT) \
|
||||
__PMC_EV(BERI, TAGCACHE_WRITE_MISS) \
|
||||
__PMC_EV(BERI, TAGCACHE_READ_HIT) \
|
||||
__PMC_EV(BERI, TAGCACHE_READ_MISS) \
|
||||
__PMC_EV(BERI, TAGCACHE_EVICT) \
|
||||
__PMC_EV(BERI, L2CACHEMASTER_READ_REQ) \
|
||||
__PMC_EV(BERI, L2CACHEMASTER_WRITE_REQ) \
|
||||
__PMC_EV(BERI, L2CACHEMASTER_WRITE_REQ_FLIT) \
|
||||
__PMC_EV(BERI, L2CACHEMASTER_READ_RSP) \
|
||||
__PMC_EV(BERI, L2CACHEMASTER_READ_RSP_FLIT) \
|
||||
__PMC_EV(BERI, L2CACHEMASTER_WRITE_RSP) \
|
||||
__PMC_EV(BERI, TAGCACHEMASTER_READ_REQ) \
|
||||
__PMC_EV(BERI, TAGCACHEMASTER_WRITE_REQ) \
|
||||
__PMC_EV(BERI, TAGCACHEMASTER_WRITE_REQ_FLIT) \
|
||||
__PMC_EV(BERI, TAGCACHEMASTER_READ_RSP) \
|
||||
__PMC_EV(BERI, TAGCACHEMASTER_READ_RSP_FLIT) \
|
||||
__PMC_EV(BERI, TAGCACHEMASTER_WRITE_RSP)
|
||||
|
||||
#define PMC_EV_BERI_FIRST PMC_EV_BERI_CYCLE
|
||||
#define PMC_EV_BERI_LAST PMC_EV_BERI_TAGCACHEMASTER_WRITE_RSP
|
||||
|
||||
/*
|
||||
* Cavium Octeon counters. Obtained from cvmx-core.h
|
||||
*/
|
||||
@ -1774,6 +1835,7 @@ __PMC_EV_ALIAS("unhalted-core-cycles", IAP_ARCH_UNH_COR_CYC)
|
||||
* 0x11300 0x00FF MIPS 24K events
|
||||
* 0x11400 0x00FF Octeon events
|
||||
* 0x11500 0x00FF MIPS 74K events
|
||||
* 0x11600 0x00FF BERI statcounters
|
||||
* 0x13000 0x00FF MPC7450 events
|
||||
* 0x13100 0x00FF IBM PPC970 events
|
||||
* 0x13300 0x00FF Freescale e500 events
|
||||
@ -1798,6 +1860,8 @@ __PMC_EV_ALIAS("unhalted-core-cycles", IAP_ARCH_UNH_COR_CYC)
|
||||
__PMC_EV_OCTEON() \
|
||||
__PMC_EV_BLOCK(MIPS74K, 0x11500) \
|
||||
__PMC_EV_MIPS74K() \
|
||||
__PMC_EV_BLOCK(BERI, 0x11600) \
|
||||
__PMC_EV_BERI() \
|
||||
__PMC_EV_BLOCK(UCP, 0x12080) \
|
||||
__PMC_EV_UCP() \
|
||||
__PMC_EV_BLOCK(PPC7450, 0x13000) \
|
||||
|
||||
@ -114,6 +114,7 @@ extern char pmc_cpuid[PMC_CPUID_LEN];
|
||||
__PMC_CPU(MIPS_24K, 0x200, "MIPS 24K") \
|
||||
__PMC_CPU(MIPS_OCTEON, 0x201, "Cavium Octeon") \
|
||||
__PMC_CPU(MIPS_74K, 0x202, "MIPS 74K") \
|
||||
__PMC_CPU(MIPS_BERI, 0x203, "BERI") \
|
||||
__PMC_CPU(PPC_7450, 0x300, "PowerPC MPC7450") \
|
||||
__PMC_CPU(PPC_E500, 0x340, "PowerPC e500 Core") \
|
||||
__PMC_CPU(PPC_970, 0x380, "IBM PowerPC 970") \
|
||||
@ -160,7 +161,8 @@ enum pmc_cputype {
|
||||
__PMC_CLASS(ARMV7, 0x10, "ARMv7") \
|
||||
__PMC_CLASS(ARMV8, 0x11, "ARMv8") \
|
||||
__PMC_CLASS(MIPS74K, 0x12, "MIPS 74K") \
|
||||
__PMC_CLASS(E500, 0x13, "Freescale e500 class")
|
||||
__PMC_CLASS(E500, 0x13, "Freescale e500 class") \
|
||||
__PMC_CLASS(BERI, 0x14, "MIPS BERI")
|
||||
|
||||
enum pmc_class {
|
||||
#undef __PMC_CLASS
|
||||
|
||||
Loading…
Reference in New Issue
Block a user