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perf, x86: Share IBS macros between perf and oprofile 

Moving IBS macros from oprofile to <asm/perf_event.h> to make it
available to perf. No additional changes.

Signed-off-by: Robert Richter <robert.richter@amd.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1316597423-25723-2-git-send-email-robert.richter@amd.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Robert Richter 2011-09-21 11:30:17 +02:00 committed by Ingo Molnar
parent efc3aac5f3
commit ee5789dbcc
3 changed files with 40 additions and 39 deletions
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38
arch/x86/include/asm/perf_event.h
View File

@ -46,14 +46,17 @@
#define AMD64_RAW_EVENT_MASK \
(X86_RAW_EVENT_MASK | \
AMD64_EVENTSEL_EVENT)
#define AMD64_NUM_COUNTERS 4
#define AMD64_NUM_COUNTERS_F15H 6
#define AMD64_NUM_COUNTERS_MAX AMD64_NUM_COUNTERS_F15H
#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_SEL 0x3c
#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_SEL 0x3c
#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_UMASK (0x00 << 8)
#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_INDEX 0
#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_INDEX 0
#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_PRESENT \
(1 << (ARCH_PERFMON_UNHALTED_CORE_CYCLES_INDEX))
#define ARCH_PERFMON_BRANCH_MISSES_RETIRED 6
#define ARCH_PERFMON_BRANCH_MISSES_RETIRED 6
/*
* Intel "Architectural Performance Monitoring" CPUID
@ -113,6 +116,35 @@ union cpuid10_edx {
*/
#define X86_PMC_IDX_FIXED_BTS (X86_PMC_IDX_FIXED + 16)
/*
* IBS cpuid feature detection
*/
#define IBS_CPUID_FEATURES 0x8000001b
/*
* Same bit mask as for IBS cpuid feature flags (Fn8000_001B_EAX), but
* bit 0 is used to indicate the existence of IBS.
*/
#define IBS_CAPS_AVAIL (1U<<0)
#define IBS_CAPS_FETCHSAM (1U<<1)
#define IBS_CAPS_OPSAM (1U<<2)
#define IBS_CAPS_RDWROPCNT (1U<<3)
#define IBS_CAPS_OPCNT (1U<<4)
#define IBS_CAPS_BRNTRGT (1U<<5)
#define IBS_CAPS_OPCNTEXT (1U<<6)
#define IBS_CAPS_DEFAULT (IBS_CAPS_AVAIL \
| IBS_CAPS_FETCHSAM \
| IBS_CAPS_OPSAM)
/*
* IBS APIC setup
*/
#define IBSCTL 0x1cc
#define IBSCTL_LVT_OFFSET_VALID (1ULL<<8)
#define IBSCTL_LVT_OFFSET_MASK 0x0F
/* IbsFetchCtl bits/masks */
#define IBS_FETCH_RAND_EN (1ULL<<57)
#define IBS_FETCH_VAL (1ULL<<49)

4
arch/x86/kernel/cpu/perf_event_amd.c
View File

@ -411,7 +411,7 @@ static __initconst const struct x86_pmu amd_pmu = {
.perfctr = MSR_K7_PERFCTR0,
.event_map = amd_pmu_event_map,
.max_events = ARRAY_SIZE(amd_perfmon_event_map),
.num_counters = 4,
.num_counters = AMD64_NUM_COUNTERS,
.cntval_bits = 48,
.cntval_mask = (1ULL << 48) - 1,
.apic = 1,
@ -575,7 +575,7 @@ static __initconst const struct x86_pmu amd_pmu_f15h = {
.perfctr = MSR_F15H_PERF_CTR,
.event_map = amd_pmu_event_map,
.max_events = ARRAY_SIZE(amd_perfmon_event_map),
.num_counters = 6,
.num_counters = AMD64_NUM_COUNTERS_F15H,
.cntval_bits = 48,
.cntval_mask = (1ULL << 48) - 1,
.apic = 1,

37
arch/x86/oprofile/op_model_amd.c
View File

@ -29,8 +29,6 @@
#include "op_x86_model.h"
#include "op_counter.h"
#define NUM_COUNTERS 4
#define NUM_COUNTERS_F15H 6
#ifdef CONFIG_OPROFILE_EVENT_MULTIPLEX
#define NUM_VIRT_COUNTERS 32
#else
@ -69,35 +67,6 @@ struct ibs_state {
static struct ibs_config ibs_config;
static struct ibs_state ibs_state;
/*
* IBS cpuid feature detection
*/
#define IBS_CPUID_FEATURES 0x8000001b
/*
* Same bit mask as for IBS cpuid feature flags (Fn8000_001B_EAX), but
* bit 0 is used to indicate the existence of IBS.
*/
#define IBS_CAPS_AVAIL (1U<<0)
#define IBS_CAPS_FETCHSAM (1U<<1)
#define IBS_CAPS_OPSAM (1U<<2)
#define IBS_CAPS_RDWROPCNT (1U<<3)
#define IBS_CAPS_OPCNT (1U<<4)
#define IBS_CAPS_BRNTRGT (1U<<5)
#define IBS_CAPS_OPCNTEXT (1U<<6)
#define IBS_CAPS_DEFAULT (IBS_CAPS_AVAIL \
| IBS_CAPS_FETCHSAM \
| IBS_CAPS_OPSAM)
/*
* IBS APIC setup
*/
#define IBSCTL 0x1cc
#define IBSCTL_LVT_OFFSET_VALID (1ULL<<8)
#define IBSCTL_LVT_OFFSET_MASK 0x0F
/*
* IBS randomization macros
*/
@ -439,7 +408,7 @@ static int op_amd_fill_in_addresses(struct op_msrs * const msrs)
goto fail;
}
/* both registers must be reserved */
if (num_counters == NUM_COUNTERS_F15H) {
if (num_counters == AMD64_NUM_COUNTERS_F15H) {
msrs->counters[i].addr = MSR_F15H_PERF_CTR + (i << 1);
msrs->controls[i].addr = MSR_F15H_PERF_CTL + (i << 1);
} else {
@ -741,9 +710,9 @@ static int op_amd_init(struct oprofile_operations *ops)
ops->create_files = setup_ibs_files;
if (boot_cpu_data.x86 == 0x15) {
num_counters = NUM_COUNTERS_F15H;
num_counters = AMD64_NUM_COUNTERS_F15H;
} else {
num_counters = NUM_COUNTERS;
num_counters = AMD64_NUM_COUNTERS;
}
op_amd_spec.num_counters = num_counters;