| /* |
| * @file libop/op_netburst.h |
| * Definitions of structures and methods for handling Intel Netburst events. |
| * |
| * @remark Copyright 2013 OProfile authors |
| * @remark Read the file COPYING |
| * |
| * Created on: May 14, 2013 |
| * @author Maynard Johnson |
| * (C) Copyright IBM Corp. 2013 |
| * |
| * NOTE: The code in this file was largely borrowed from a libpfm file, |
| * so we include below the Copyright and licensing information from that file. |
| */ |
| /* |
| * Copyright (c) 2006 IBM Corp. |
| * Contributed by Kevin Corry <kevcorry@us.ibm.com> |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| * IN THE SOFTWARE. |
| * |
| * pfmlib_netburst_priv.h |
| * |
| * Structures and definitions for use in the Pentium4/Xeon/EM64T libpfm code. |
| */ |
| |
| #ifndef OP_NETBURST_H_ |
| #define OP_NETBURST_H_ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* ESCR: Event Selection Control Register |
| * |
| * These registers are used to select which event to count along with options |
| * for that event. There are (up to) 45 ESCRs, but each data counter is |
| * restricted to a specific set of ESCRs. |
| */ |
| |
| /** |
| * netburst_escr_value_t |
| * |
| * Bit-wise breakdown of the ESCR registers. |
| * |
| * Bits Description |
| * ------- ----------- |
| * 63 - 31 Reserved |
| * 30 - 25 Event Select |
| * 24 - 9 Event Mask |
| * 8 - 5 Tag Value |
| * 4 Tag Enable |
| * 3 T0 OS - Enable counting in kernel mode (thread 0) |
| * 2 T0 USR - Enable counting in user mode (thread 0) |
| * 1 T1 OS - Enable counting in kernel mode (thread 1) |
| * 0 T1 USR - Enable counting in user mode (thread 1) |
| **/ |
| |
| #define EVENT_MASK_BITS 16 |
| #define EVENT_SELECT_BITS 6 |
| |
| typedef union { |
| unsigned long long val; |
| struct { |
| unsigned long t1_usr:1; |
| unsigned long t1_os:1; |
| unsigned long t0_usr:1; |
| unsigned long t0_os:1; |
| unsigned long tag_enable:1; |
| unsigned long tag_value:4; |
| unsigned long event_mask:EVENT_MASK_BITS; |
| unsigned long event_select:EVENT_SELECT_BITS; |
| unsigned long reserved:1; |
| } bits; |
| } netburst_escr_value_t; |
| |
| /* CCCR: Counter Configuration Control Register |
| * |
| * These registers are used to configure the data counters. There are 18 |
| * CCCRs, one for each data counter. |
| */ |
| |
| /** |
| * netburst_cccr_value_t |
| * |
| * Bit-wise breakdown of the CCCR registers. |
| * |
| * Bits Description |
| * ------- ----------- |
| * 63 - 32 Reserved |
| * 31 OVF - The data counter overflowed. |
| * 30 Cascade - Enable cascading of data counter when alternate |
| * counter overflows. |
| * 29 - 28 Reserved |
| * 27 OVF_PMI_T1 - Generate interrupt for LP1 on counter overflow |
| * 26 OVF_PMI_T0 - Generate interrupt for LP0 on counter overflow |
| * 25 FORCE_OVF - Force interrupt on every counter increment |
| * 24 Edge - Enable rising edge detection of the threshold comparison |
| * output for filtering event counts. |
| * 23 - 20 Threshold Value - Select the threshold value for comparing to |
| * incoming event counts. |
| * 19 Complement - Select how incoming event count is compared with |
| * the threshold value. |
| * 18 Compare - Enable filtering of event counts. |
| * 17 - 16 Active Thread - Only used with HT enabled. |
| * 00 - None: Count when neither LP is active. |
| * 01 - Single: Count when only one LP is active. |
| * 10 - Both: Count when both LPs are active. |
| * 11 - Any: Count when either LP is active. |
| * 15 - 13 ESCR Select - Select which ESCR to use for selecting the |
| * event to count. |
| * 12 Enable - Turns the data counter on or off. |
| * 11 - 0 Reserved |
| **/ |
| typedef union { |
| unsigned long long val; |
| struct { |
| unsigned long reserved1:12; |
| unsigned long enable:1; |
| unsigned long escr_select:3; |
| unsigned long active_thread:2; |
| unsigned long compare:1; |
| unsigned long complement:1; |
| unsigned long threshold:4; |
| unsigned long edge:1; |
| unsigned long force_ovf:1; |
| unsigned long ovf_pmi_t0:1; |
| unsigned long ovf_pmi_t1:1; |
| unsigned long reserved2:2; |
| unsigned long cascade:1; |
| unsigned long overflow:1; |
| } bits; |
| } netburst_cccr_value_t; |
| |
| /** |
| * netburst_event_mask_t |
| * |
| * Defines one bit of the event-mask for one Pentium4 event. |
| * |
| * @name: Event mask name |
| * @desc: Event mask description |
| * @bit: The bit position within the event_mask field. |
| **/ |
| typedef struct { |
| char *name; |
| char *desc; |
| unsigned int bit; |
| unsigned int flags; |
| } netburst_event_mask_t; |
| /* |
| * netburst_event_mask_t->flags |
| */ |
| #define NETBURST_FL_DFL 0x1 /* event mask is default */ |
| |
| #define MAX_ESCRS_PER_EVENT 2 |
| |
| /* |
| * These are the unique event codes used by perf_events. |
| * They need to be encoded in the ESCR.event_select field when |
| * programming for perf_events. |
| * NOTE: Only 36 of the events specified below have counterparts |
| * in oprofile's p4 event list |
| */ |
| enum netburst_event_code { |
| P4_EVENT_TC_DELIVER_MODE, |
| P4_EVENT_BPU_FETCH_REQUEST, |
| P4_EVENT_ITLB_REFERENCE, |
| P4_EVENT_MEMORY_CANCEL, |
| P4_EVENT_MEMORY_COMPLETE, |
| P4_EVENT_LOAD_PORT_REPLAY, |
| P4_EVENT_STORE_PORT_REPLAY, |
| P4_EVENT_MOB_LOAD_REPLAY, |
| P4_EVENT_PAGE_WALK_TYPE, |
| P4_EVENT_BSQ_CACHE_REFERENCE, |
| P4_EVENT_IOQ_ALLOCATION, |
| P4_EVENT_IOQ_ACTIVE_ENTRIES, |
| P4_EVENT_FSB_DATA_ACTIVITY, |
| P4_EVENT_BSQ_ALLOCATION, |
| P4_EVENT_BSQ_ACTIVE_ENTRIES, |
| P4_EVENT_SSE_INPUT_ASSIST, |
| P4_EVENT_PACKED_SP_UOP, |
| P4_EVENT_PACKED_DP_UOP, |
| P4_EVENT_SCALAR_SP_UOP, |
| P4_EVENT_SCALAR_DP_UOP, |
| P4_EVENT_64BIT_MMX_UOP, |
| P4_EVENT_128BIT_MMX_UOP, |
| P4_EVENT_X87_FP_UOP, |
| P4_EVENT_TC_MISC, |
| P4_EVENT_GLOBAL_POWER_EVENTS, |
| P4_EVENT_TC_MS_XFER, |
| P4_EVENT_UOP_QUEUE_WRITES, |
| P4_EVENT_RETIRED_MISPRED_BRANCH_TYPE, |
| P4_EVENT_RETIRED_BRANCH_TYPE, |
| P4_EVENT_RESOURCE_STALL, |
| P4_EVENT_WC_BUFFER, |
| P4_EVENT_B2B_CYCLES, |
| P4_EVENT_BNR, |
| P4_EVENT_SNOOP, |
| P4_EVENT_RESPONSE, |
| P4_EVENT_FRONT_END_EVENT, |
| P4_EVENT_EXECUTION_EVENT, |
| P4_EVENT_REPLAY_EVENT, |
| P4_EVENT_INSTR_RETIRED, |
| P4_EVENT_UOPS_RETIRED, |
| P4_EVENT_UOP_TYPE, |
| P4_EVENT_BRANCH_RETIRED, |
| P4_EVENT_MISPRED_BRANCH_RETIRED, |
| P4_EVENT_X87_ASSIST, |
| P4_EVENT_MACHINE_CLEAR, |
| P4_EVENT_INSTR_COMPLETED, |
| }; |
| |
| typedef struct { |
| char *name; |
| char *desc; |
| unsigned int event_select; |
| unsigned int escr_select; |
| enum netburst_event_code perf_code; /* perf_event event code, enum P4_EVENTS */ |
| int allowed_escrs[MAX_ESCRS_PER_EVENT]; |
| netburst_event_mask_t event_masks[EVENT_MASK_BITS]; |
| } netburst_entry_t; |
| |
| #define NETBURST_ATTR_U 0 |
| #define NETBURST_ATTR_K 1 |
| #define NETBURST_ATTR_C 2 |
| #define NETBURST_ATTR_E 3 |
| #define NETBURST_ATTR_T 4 |
| |
| #define _NETBURST_ATTR_U (1 << NETBURST_ATTR_U) |
| #define _NETBURST_ATTR_K (1 << NETBURST_ATTR_K) |
| |
| #define P4_REPLAY_REAL_MASK 0x00000003 |
| |
| int op_netburst_get_perf_encoding(const char * evt_name, unsigned long evt_um, int do_kernel, |
| int do_user, u64 * config); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif // OP_NETBURST_H_ |
