svn commit: r241609 - in stable/9: lib/libpmc sys/dev/hwpmc sys/sys

Fabien Thomas fabient at FreeBSD.org
Tue Oct 16 13:27:21 UTC 2012


Author: fabient
Date: Tue Oct 16 13:27:20 2012
New Revision: 241609
URL: http://svn.freebsd.org/changeset/base/241609

Log:
  MFC r240164, r240203:
  Add Intel Ivy Bridge support to hwpmc(9).
  Update offcore RSP token for Sandy Bridge.
  Note: No uncore support.

Added:
  stable/9/lib/libpmc/pmc.ivybridge.3
     - copied unchanged from r240164, head/lib/libpmc/pmc.ivybridge.3
Modified:
  stable/9/lib/libpmc/Makefile
  stable/9/lib/libpmc/libpmc.c
  stable/9/lib/libpmc/pmc.sandybridge.3
  stable/9/sys/dev/hwpmc/hwpmc_core.c
  stable/9/sys/dev/hwpmc/hwpmc_core.h
  stable/9/sys/dev/hwpmc/hwpmc_intel.c
  stable/9/sys/dev/hwpmc/pmc_events.h
  stable/9/sys/sys/pmc.h
Directory Properties:
  stable/9/lib/libpmc/   (props changed)
  stable/9/sys/   (props changed)
  stable/9/sys/dev/   (props changed)

Modified: stable/9/lib/libpmc/Makefile
==============================================================================
--- stable/9/lib/libpmc/Makefile	Tue Oct 16 10:09:21 2012	(r241608)
+++ stable/9/lib/libpmc/Makefile	Tue Oct 16 13:27:20 2012	(r241609)
@@ -28,6 +28,7 @@ MAN+=	pmc.atom.3
 MAN+=	pmc.core.3
 MAN+=	pmc.core2.3
 MAN+=	pmc.iaf.3
+MAN+=	pmc.ivybridge.3
 MAN+=	pmc.ucf.3
 MAN+=	pmc.k7.3
 MAN+=	pmc.k8.3

Modified: stable/9/lib/libpmc/libpmc.c
==============================================================================
--- stable/9/lib/libpmc/libpmc.c	Tue Oct 16 10:09:21 2012	(r241608)
+++ stable/9/lib/libpmc/libpmc.c	Tue Oct 16 13:27:20 2012	(r241609)
@@ -182,6 +182,11 @@ static const struct pmc_event_descr core
 	__PMC_EV_ALIAS_COREI7()
 };
 
+static const struct pmc_event_descr ivybridge_event_table[] =
+{
+	__PMC_EV_ALIAS_IVYBRIDGE()
+};
+
 static const struct pmc_event_descr sandybridge_event_table[] = 
 {
 	__PMC_EV_ALIAS_SANDYBRIDGE()
@@ -221,6 +226,7 @@ PMC_MDEP_TABLE(atom, IAP, PMC_CLASS_SOFT
 PMC_MDEP_TABLE(core, IAP, PMC_CLASS_SOFT, PMC_CLASS_TSC);
 PMC_MDEP_TABLE(core2, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC);
 PMC_MDEP_TABLE(corei7, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC, PMC_CLASS_UCF, PMC_CLASS_UCP);
+PMC_MDEP_TABLE(ivybridge, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC);
 PMC_MDEP_TABLE(sandybridge, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC, PMC_CLASS_UCF, PMC_CLASS_UCP);
 PMC_MDEP_TABLE(westmere, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC, PMC_CLASS_UCF, PMC_CLASS_UCP);
 PMC_MDEP_TABLE(k7, K7, PMC_CLASS_SOFT, PMC_CLASS_TSC);
@@ -257,6 +263,7 @@ PMC_CLASS_TABLE_DESC(atom, IAP, atom, ia
 PMC_CLASS_TABLE_DESC(core, IAP, core, iap);
 PMC_CLASS_TABLE_DESC(core2, IAP, core2, iap);
 PMC_CLASS_TABLE_DESC(corei7, IAP, corei7, iap);
+PMC_CLASS_TABLE_DESC(ivybridge, IAP, ivybridge, iap);
 PMC_CLASS_TABLE_DESC(sandybridge, IAP, sandybridge, iap);
 PMC_CLASS_TABLE_DESC(westmere, IAP, westmere, iap);
 PMC_CLASS_TABLE_DESC(ucf, UCF, ucf, ucf);
@@ -362,14 +369,14 @@ static struct pmc_op_getdyneventinfo sof
 /* Event masks for events */
 struct pmc_masks {
 	const char	*pm_name;
-	const uint32_t	pm_value;
+	const uint64_t	pm_value;
 };
 #define	PMCMASK(N,V)	{ .pm_name = #N, .pm_value = (V) }
 #define	NULLMASK	{ .pm_name = NULL }
 
 #if defined(__amd64__) || defined(__i386__)
 static int
-pmc_parse_mask(const struct pmc_masks *pmask, char *p, uint32_t *evmask)
+pmc_parse_mask(const struct pmc_masks *pmask, char *p, uint64_t *evmask)
 {
 	const struct pmc_masks *pm;
 	char *q, *r;
@@ -558,6 +565,8 @@ static struct pmc_event_alias core2_alia
 #define	atom_aliases_without_iaf	core2_aliases_without_iaf
 #define corei7_aliases			core2_aliases
 #define corei7_aliases_without_iaf	core2_aliases_without_iaf
+#define ivybridge_aliases		core2_aliases
+#define ivybridge_aliases_without_iaf	core2_aliases_without_iaf
 #define sandybridge_aliases		core2_aliases
 #define sandybridge_aliases_without_iaf	core2_aliases_without_iaf
 #define westmere_aliases		core2_aliases
@@ -660,7 +669,7 @@ static struct pmc_masks iap_transition_m
 	NULLMASK
 };
 
-static struct pmc_masks iap_rsp_mask[] = {
+static struct pmc_masks iap_rsp_mask_i7_wm[] = {
 	PMCMASK(DMND_DATA_RD,		(1 <<  0)),
 	PMCMASK(DMND_RFO,		(1 <<  1)),
 	PMCMASK(DMND_IFETCH,		(1 <<  2)),
@@ -679,12 +688,43 @@ static struct pmc_masks iap_rsp_mask[] =
 	NULLMASK
 };
 
+static struct pmc_masks iap_rsp_mask_sb_ib[] = {
+	PMCMASK(REQ_DMND_DATA_RD,	(1ULL <<  0)),
+	PMCMASK(REQ_DMND_RFO,		(1ULL <<  1)),
+	PMCMASK(REQ_DMND_IFETCH,	(1ULL <<  2)),
+	PMCMASK(REQ_WB,			(1ULL <<  3)),
+	PMCMASK(REQ_PF_DATA_RD,		(1ULL <<  4)),
+	PMCMASK(REQ_PF_RFO,		(1ULL <<  5)),
+	PMCMASK(REQ_PF_IFETCH,		(1ULL <<  6)),
+	PMCMASK(REQ_PF_LLC_DATA_RD,	(1ULL <<  7)),
+	PMCMASK(REQ_PF_LLC_RFO,		(1ULL <<  8)),
+	PMCMASK(REQ_PF_LLC_IFETCH,	(1ULL <<  9)),
+	PMCMASK(REQ_BUS_LOCKS,		(1ULL << 10)),
+	PMCMASK(REQ_STRM_ST,		(1ULL << 11)),
+	PMCMASK(REQ_OTHER,		(1ULL << 15)),
+	PMCMASK(RES_ANY,		(1ULL << 16)),
+	PMCMASK(RES_SUPPLIER_SUPP,	(1ULL << 17)),
+	PMCMASK(RES_SUPPLIER_LLC_HITM,	(1ULL << 18)),
+	PMCMASK(RES_SUPPLIER_LLC_HITE,	(1ULL << 19)),
+	PMCMASK(RES_SUPPLIER_LLC_HITS,	(1ULL << 20)),
+	PMCMASK(RES_SUPPLIER_LLC_HITF,	(1ULL << 21)),
+	PMCMASK(RES_SUPPLIER_LOCAL,	(1ULL << 22)),
+	PMCMASK(RES_SNOOP_SNPI_NONE,	(1ULL << 31)),
+	PMCMASK(RES_SNOOP_SNP_NO_NEEDED,(1ULL << 32)),
+	PMCMASK(RES_SNOOP_SNP_MISS,	(1ULL << 33)),
+	PMCMASK(RES_SNOOP_HIT_NO_FWD,	(1ULL << 34)),
+	PMCMASK(RES_SNOOP_HIT_FWD,	(1ULL << 35)),
+	PMCMASK(RES_SNOOP_HITM,		(1ULL << 36)),
+	PMCMASK(RES_NON_DRAM,		(1ULL << 37)),
+	NULLMASK
+};
+
 static int
 iap_allocate_pmc(enum pmc_event pe, char *ctrspec,
     struct pmc_op_pmcallocate *pmc_config)
 {
 	char *e, *p, *q;
-	uint32_t cachestate, evmask, rsp;
+	uint64_t cachestate, evmask, rsp;
 	int count, n;
 
 	pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE |
@@ -750,7 +790,13 @@ iap_allocate_pmc(enum pmc_event pe, char
 		} else if (cpu_info.pm_cputype == PMC_CPU_INTEL_COREI7 ||
 		    cpu_info.pm_cputype == PMC_CPU_INTEL_WESTMERE) {
 			if (KWPREFIXMATCH(p, IAP_KW_RSP "=")) {
-				n = pmc_parse_mask(iap_rsp_mask, p, &rsp);
+				n = pmc_parse_mask(iap_rsp_mask_i7_wm, p, &rsp);
+			} else
+				return (-1);
+		} else if (cpu_info.pm_cputype == PMC_CPU_INTEL_SANDYBRIDGE ||
+		    cpu_info.pm_cputype == PMC_CPU_INTEL_IVYBRIDGE) {
+			if (KWPREFIXMATCH(p, IAP_KW_RSP "=")) {
+				n = pmc_parse_mask(iap_rsp_mask_sb_ib, p, &rsp);
 			} else
 				return (-1);
 		} else
@@ -1069,7 +1115,8 @@ k8_allocate_pmc(enum pmc_event pe, char 
 {
 	char		*e, *p, *q;
 	int		n;
-	uint32_t	count, evmask;
+	uint32_t	count;
+	uint64_t	evmask;
 	const struct pmc_masks	*pm, *pmask;
 
 	pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE);
@@ -1551,7 +1598,8 @@ p4_allocate_pmc(enum pmc_event pe, char 
 
 	char	*e, *p, *q;
 	int	count, has_tag, has_busreqtype, n;
-	uint32_t evmask, cccractivemask;
+	uint32_t cccractivemask;
+	uint64_t evmask;
 	const struct pmc_masks *pm, *pmask;
 
 	pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE);
@@ -1979,7 +2027,7 @@ p6_allocate_pmc(enum pmc_event pe, char 
     struct pmc_op_pmcallocate *pmc_config)
 {
 	char *e, *p, *q;
-	uint32_t evmask;
+	uint64_t evmask;
 	int count, n;
 	const struct pmc_masks *pm, *pmask;
 
@@ -2611,6 +2659,10 @@ pmc_event_names_of_class(enum pmc_class 
 			ev = corei7_event_table;
 			count = PMC_EVENT_TABLE_SIZE(corei7);
 			break;
+		case PMC_CPU_INTEL_IVYBRIDGE:
+			ev = ivybridge_event_table;
+			count = PMC_EVENT_TABLE_SIZE(ivybridge);
+			break;
 		case PMC_CPU_INTEL_SANDYBRIDGE:
 			ev = sandybridge_event_table;
 			count = PMC_EVENT_TABLE_SIZE(sandybridge);
@@ -2899,6 +2951,9 @@ pmc_init(void)
 		pmc_class_table[n++] = &corei7uc_class_table_descr;
 		PMC_MDEP_INIT_INTEL_V2(corei7);
 		break;
+	case PMC_CPU_INTEL_IVYBRIDGE:
+		PMC_MDEP_INIT_INTEL_V2(ivybridge);
+		break;
 	case PMC_CPU_INTEL_SANDYBRIDGE:
 		pmc_class_table[n++] = &ucf_class_table_descr;
 		pmc_class_table[n++] = &sandybridgeuc_class_table_descr;
@@ -3030,6 +3085,10 @@ _pmc_name_of_event(enum pmc_event pe, en
 			ev = corei7_event_table;
 			evfence = corei7_event_table + PMC_EVENT_TABLE_SIZE(corei7);
 			break;
+		case PMC_CPU_INTEL_IVYBRIDGE:
+			ev = ivybridge_event_table;
+			evfence = ivybridge_event_table + PMC_EVENT_TABLE_SIZE(ivybridge);
+			break;
 		case PMC_CPU_INTEL_SANDYBRIDGE:
 			ev = sandybridge_event_table;
 			evfence = sandybridge_event_table + PMC_EVENT_TABLE_SIZE(sandybridge);

Copied: stable/9/lib/libpmc/pmc.ivybridge.3 (from r240164, head/lib/libpmc/pmc.ivybridge.3)
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ stable/9/lib/libpmc/pmc.ivybridge.3	Tue Oct 16 13:27:20 2012	(r241609, copy of r240164, head/lib/libpmc/pmc.ivybridge.3)
@@ -0,0 +1,880 @@
+.\" Copyright (c) 2012 Fabien Thomas.  All rights reserved.
+.\"
+.\" 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.
+.\"
+.\" $FreeBSD$
+.\"
+.Dd August 24, 2012
+.Dt PMC.IVYBRIDGE 3
+.Os
+.Sh NAME
+.Nm pmc.ivybridge
+.Nd measurement events for
+.Tn Intel
+.Tn Ivy Bridge
+family CPUs
+.Sh LIBRARY
+.Lb libpmc
+.Sh SYNOPSIS
+.In pmc.h
+.Sh DESCRIPTION
+.Tn Intel
+.Tn "Ivy Bridge"
+CPUs contain PMCs conforming to version 2 of the
+.Tn Intel
+performance measurement architecture.
+These CPUs may contain up to three classes of PMCs:
+.Bl -tag -width "Li PMC_CLASS_IAP"
+.It Li PMC_CLASS_IAF
+Fixed-function counters that count only one hardware event per counter.
+.It Li PMC_CLASS_IAP
+Programmable counters that may be configured to count one of a defined
+set of hardware events.
+.El
+.Pp
+The number of PMCs available in each class and their widths need to be
+determined at run time by calling
+.Xr pmc_cpuinfo 3 .
+.Pp
+Intel Ivy Bridge PMCs are documented in
+.Rs
+.%B "Intel(R) 64 and IA-32 Architectures Software Developer's Manual"
+Intel(R) 64 and IA-32 Architectures Software Developers Manual"
+.%T "Volume 3B: System Programming Guide, Part 2"
+.%N "Order Number: 253669-043US"
+.%D May 2012
+.%Q "Intel Corporation"
+.Re
+.Ss IVYBRIDGE FIXED FUNCTION PMCS
+These PMCs and their supported events are documented in
+.Xr pmc.iaf 3 .
+.Ss IVYBRIDGE PROGRAMMABLE PMCS
+The programmable PMCs support the following capabilities:
+.Bl -column "PMC_CAP_INTERRUPT" "Support"
+.It Em Capability Ta Em Support
+.It PMC_CAP_CASCADE Ta \&No
+.It PMC_CAP_EDGE Ta Yes
+.It PMC_CAP_INTERRUPT Ta Yes
+.It PMC_CAP_INVERT Ta Yes
+.It PMC_CAP_READ Ta Yes
+.It PMC_CAP_PRECISE Ta \&No
+.It PMC_CAP_SYSTEM Ta Yes
+.It PMC_CAP_TAGGING Ta \&No
+.It PMC_CAP_THRESHOLD Ta Yes
+.It PMC_CAP_USER Ta Yes
+.It PMC_CAP_WRITE Ta Yes
+.El
+.Ss Event Qualifiers
+Event specifiers for these PMCs support the following common
+qualifiers:
+.Bl -tag -width indent
+.It Li rsp= Ns Ar value
+Configure the Off-core Response bits.
+.Bl -tag -width indent
+.It Li REQ_DMND_DATA_RD
+Counts the number of demand and DCU prefetch data reads of full and partial
+cachelines as well as demand data page table entry cacheline reads. Does not
+count L2 data read prefetches or instruction fetches.
+.It Li REQ_DMND_RFO
+Counts the number of demand and DCU prefetch reads for ownership (RFO)
+requests generated by a write to data cacheline. Does not count L2 RFO
+prefetches.
+.It Li REQ_DMND_IFETCH
+Counts the number of demand and DCU prefetch instruction cacheline reads.
+Does not count L2 code read prefetches.
+.It Li REQ_WB
+Counts the number of writeback (modified to exclusive) transactions.
+.It Li REQ_PF_DATA_RD
+Counts the number of data cacheline reads generated by L2 prefetchers.
+.It Li REQ_PF_RFO
+Counts the number of RFO requests generated by L2 prefetchers.
+.It Li REQ_PF_IFETCH
+Counts the number of code reads generated by L2 prefetchers.
+.It Li REQ_PF_LLC_DATA_RD
+L2 prefetcher to L3 for loads.
+.It Li REQ_PF_LLC_RFO
+RFO requests generated by L2 prefetcher
+.It Li REQ_PF_LLC_IFETCH
+L2 prefetcher to L3 for instruction fetches.
+.It Li REQ_BUS_LOCKS
+Bus lock and split lock requests.
+.It Li REQ_STRM_ST
+Streaming store requests.
+.It Li REQ_OTHER
+Any other request that crosses IDI, including I/O.
+.It Li RES_ANY
+Catch all value for any response types.
+.It Li RES_SUPPLIER_NO_SUPP
+No Supplier Information available.
+.It Li RES_SUPPLIER_LLC_HITM
+M-state initial lookup stat in L3.
+.It Li RES_SUPPLIER_LLC_HITE
+E-state.
+.It Li RES_SUPPLIER_LLC_HITS
+S-state.
+.It Li RES_SUPPLIER_LLC_HITF
+F-state.
+.It Li RES_SUPPLIER_LOCAL
+Local DRAM Controller.
+.It Li RES_SNOOP_SNPI_NONE
+No details on snoop-related information.
+.It Li RES_SNOOP_SNP_NO_NEEDED
+No snoop was needed to satisfy the request.
+.It Li RES_SNOOP_SNP_MISS
+A snoop was needed and it missed all snooped caches:
+-For LLC Hit, ReslHitl was returned by all cores
+-For LLC Miss, Rspl was returned by all sockets and data was returned from
+DRAM.
+.It Li RES_SNOOP_HIT_NO_FWD
+A snoop was needed and it hits in at least one snooped cache. Hit denotes a
+cache-line was valid before snoop effect. This includes:
+-Snoop Hit w/ Invalidation (LLC Hit, RFO)
+-Snoop Hit, Left Shared (LLC Hit/Miss, IFetch/Data_RD)
+-Snoop Hit w/ Invalidation and No Forward (LLC Miss, RFO Hit S)
+In the LLC Miss case, data is returned from DRAM.
+.It Li RES_SNOOP_HIT_FWD
+A snoop was needed and data was forwarded from a remote socket.
+This includes:
+-Snoop Forward Clean, Left Shared (LLC Hit/Miss, IFetch/Data_RD/RFT).
+.It Li RES_SNOOP_HITM
+A snoop was needed and it HitM-ed in local or remote cache. HitM denotes a
+cache-line was in modified state before effect as a results of snoop. This
+includes:
+-Snoop HitM w/ WB (LLC miss, IFetch/Data_RD)
+-Snoop Forward Modified w/ Invalidation (LLC Hit/Miss, RFO)
+-Snoop MtoS (LLC Hit, IFetch/Data_RD).
+.It Li RES_NON_DRAM
+Target was non-DRAM system address. This includes MMIO transactions.
+.El
+.It Li cmask= Ns Ar value
+Configure the PMC to increment only if the number of configured
+events measured in a cycle is greater than or equal to
+.Ar value .
+.It Li edge
+Configure the PMC to count the number of de-asserted to asserted
+transitions of the conditions expressed by the other qualifiers.
+If specified, the counter will increment only once whenever a
+condition becomes true, irrespective of the number of clocks during
+which the condition remains true.
+.It Li inv
+Invert the sense of comparison when the
+.Dq Li cmask
+qualifier is present, making the counter increment when the number of
+events per cycle is less than the value specified by the
+.Dq Li cmask
+qualifier.
+.It Li os
+Configure the PMC to count events happening at processor privilege
+level 0.
+.It Li usr
+Configure the PMC to count events occurring at privilege levels 1, 2
+or 3.
+.El
+.Pp
+If neither of the
+.Dq Li os
+or
+.Dq Li usr
+qualifiers are specified, the default is to enable both.
+.Ss Event Specifiers (Programmable PMCs)
+Ivy Bridge programmable PMCs support the following events:
+.Bl -tag -width indent
+.It Li LD_BLOCKS.STORE_FORWARD
+.Pq Event 03H , Umask 02H
+loads blocked by overlapping with store buffer that cannot be forwarded . 
+.It Li MISALIGN_MEM_REF.LOADS
+.Pq Event 05H , Umask 01H
+Speculative cache-line split load uops dispatched to L1D. 
+.It Li MISALIGN_MEM_REF.STORES
+.Pq Event 05H , Umask 02H
+Speculative cache-line split Store- address uops dispatched to L1D. 
+.It Li LD_BLOCKS_PARTIAL.ADDRESS_ALIAS
+.Pq Event 07H , Umask 01H
+False dependencies in MOB due to partial compare on address. 
+.It Li DTLB_LOAD_MISSES.DEMAND_LD_MISS_CAUSES_A_WALK
+.Pq Event 08H , Umask 81H
+Misses in all TLB levels that cause a page walk of any page size from demand loads. 
+.It Li DTLB_LOAD_MISSES.DEMAND_LD_WALK_COMPLETED
+.Pq Event 08H , Umask 82H
+Misses in all TLB levels that caused page walk completed of any size by demand loads. 
+.It Li DTLB_LOAD_MISSES.DEMAND_LD_WALK_DURATION
+.Pq Event 08H , Umask 84H
+Cycle PMH is busy with a walk due to demand loads. 
+.It Li UOPS_ISSUED.ANY
+.Pq Event 0EH , Umask 01H
+Increments each cycle the # of Uops issued by the RAT to RS. 
+Set Cmask = 1, Inv = 1to count stalled cycles.
+Set Cmask = 1, Inv = 1, Any= 1to count stalled cycles of this core. 
+.It Li UOPS_ISSUED.FLAGS_MERGE
+.Pq Event 0EH , Umask 10H
+Number of flags-merge uops allocated. Such uops adds delay. 
+.It Li UOPS_ISSUED.SLOW_LEA
+.Pq Event 0EH , Umask 20H
+Number of slow LEA or similar uops allocated. Such uop has 3 sources (e.g. 2
+sources + immediate) regardless if as a result of LEA instruction or not.
+.It Li UOPS_ISSUED.SINGLE_MUL
+.Pq Event 0EH , Umask 40H
+Number of multiply packed/scalar single precision uops allocated. 
+.It Li ARITH.FPU_DIV_ACTIVE
+.Pq Event 14H , Umask 01H
+Cycles that the divider is active, includes INT and FP. Set 'edge =1,
+cmask=1' to count the number of divides.
+.It Li L2_RQSTS.DEMAND_DATA_RD_HIT
+.Pq Event 24H , Umask 01H
+Demand Data Read requests that hit L2 cache.
+.It Li L2_RQSTS.ALL_DEMAND_DATA_RD
+.Pq Event 24H , Umask 03H
+Counts any demand and L1 HW prefetch data load requests to L2.
+.It Li L2_RQSTS.RFO_HITS
+.Pq Event 24H , Umask 04H
+Counts the number of store RFO requests that hit the L2 cache. 
+.It Li L2_RQSTS.RFO_MISS
+.Pq Event 24H , Umask 08H
+Counts the number of store RFO requests that miss the L2 cache. 
+.It Li L2_RQSTS.ALL_RFO
+.Pq Event 24H , Umask 0CH
+Counts all L2 store RFO requests. 
+.It Li L2_RQSTS.CODE_RD_HIT
+.Pq Event 24H , Umask 10H
+Number of instruction fetches that hit the L2 cache. 
+.It Li L2_RQSTS.CODE_RD_MISS
+.Pq Event 24H , Umask 20H
+Number of instruction fetches that missed the L2 cache. 
+.It Li L2_RQSTS.ALL_CODE_RD
+.Pq Event 24H , Umask 30H
+Counts all L2 code requests. 
+.It Li L2_RQSTS.PF_HIT
+.Pq Event 24H , Umask 40H
+Counts all L2 HW prefetcher requests that hit L2. 
+.It Li L2_RQSTS.PF_MISS
+.Pq Event 24H , Umask 80H
+Counts all L2 HW prefetcher requests that missed L2. 
+.It Li L2_RQSTS.ALL_PF
+.Pq Event 24H , Umask C0H
+Counts all L2 HW prefetcher requests. 
+.It Li L2_STORE_LOCK_RQSTS.MISS
+.Pq Event 27H , Umask 01H
+RFOs that miss cache lines.
+.It Li L2_STORE_LOCK_RQSTS.HIT_M
+.Pq Event 27H , Umask 08H
+RFOs that hit cache lines in M state.
+.It Li L2_STORE_LOCK_RQSTS.ALL
+.Pq Event 27H , Umask 0FH
+RFOs that access cache lines in any state.
+.It Li L2_L1D_WB_RQSTS.MISS
+.Pq Event 28H , Umask 01H
+Not rejected writebacks that missed LLC.
+.It Li L2_L1D_WB_RQSTS.HIT_E
+.Pq Event 28H , Umask 04H
+Not rejected writebacks from L1D to L2 cache lines in E state.
+.It Li L2_L1D_WB_RQSTS.HIT_M
+.Pq Event 28H , Umask 08H
+Not rejected writebacks from L1D to L2 cache lines in M state.
+.It Li L2_L1D_WB_RQSTS.ALL
+.Pq Event 28H , Umask 0FH
+Not rejected writebacks from L1D to L2 cache lines in any state.
+.It Li LONGEST_LAT_CACHE.REFERENCE
+.Pq Event 2EH , Umask 4FH
+This event counts requests originating from the core that reference a cache
+line in the last level cache.
+.It Li LONGEST_LAT_CACHE.MISS
+.Pq Event 2EH , Umask 41H
+This event counts each cache miss condition for references to the last level
+cache.
+.It Li CPU_CLK_UNHALTED.THREAD_P
+.Pq Event 3CH , Umask 00H
+Counts the number of thread cycles while the thread is not in a halt state.
+The thread enters the halt state when it is running the HLT instruction. The
+core frequency may change from time to time due to power or thermal
+throttling.
+.It Li CPU_CLK_THREAD_UNHALTED.REF_XCLK
+.Pq Event 3CH , Umask 01H
+Increments at the frequency of XCLK (100 MHz) when not halted. 
+.It Li L1D_PEND_MISS.PENDING
+.Pq Event 48H , Umask 01H
+Increments the number of outstanding L1D misses every cycle. Set Cmaks = 1
+and Edge =1 to count occurrences.
+Counter 2 only.
+Set Cmask = 1 to count cycles. 
+.It Li DTLB_STORE_MISSES.MISS_CAUSES_A_WALK
+.Pq Event 49H , Umask 01H
+Miss in all TLB levels causes an page walk of any page size (4K/2M/4M/1G).
+.It Li DTLB_STORE_MISSES.WALK_COMPLETED
+.Pq Event 49H , Umask 02H
+Miss in all TLB levels causes a page walk that completes of any page size
+(4K/2M/4M/1G).
+.It Li DTLB_STORE_MISSES.WALK_DURATION
+.Pq Event 49H , Umask 04H
+Cycles PMH is busy with this walk.
+.It Li DTLB_STORE_MISSES.STLB_HIT
+.Pq Event 49H , Umask 10H
+Store operations that miss the first TLB level but hit the second and do not
+cause page walks.
+.It Li LOAD_HIT_PRE.SW_PF
+.Pq Event 4CH , Umask 01H
+Non-SW-prefetch load dispatches that hit fill buffer allocated for S/W prefetch.
+.It Li LOAD_HIT_PRE.HW_PF
+.Pq Event 4CH , Umask 02H
+Non-SW-prefetch load dispatches that hit fill buffer allocated for H/W prefetch.
+.It Li L1D.REPLACEMENT
+.Pq Event 51H , Umask 01H
+Counts the number of lines brought into the L1 data cache.
+.It Li MOVE_ELIMINATION.INT_NOT_ELIMINATED
+.Pq Event 58H , Umask 01H
+Number of integer Move Elimination candidate uops that were not eliminated. 
+.It Li MOVE_ELIMINATION.SIMD_NOT_ELIMINATED
+.Pq Event 58H , Umask 02H
+Number of SIMD Move Elimination candidate uops that were not eliminated. 
+.It Li MOVE_ELIMINATION.INT_ELIMINATED
+.Pq Event 58H , Umask 04H
+Number of integer Move Elimination candidate uops that were eliminated. 
+.It Li MOVE_ELIMINATION.SIMD_ELIMINATED
+.Pq Event 58H , Umask 08H
+Number of SIMD Move Elimination candidate uops that were eliminated. 
+.It Li CPL_CYCLES.RING0
+.Pq Event 5CH , Umask 01H
+Unhalted core cycles when the thread is in ring 0.
+Use Edge to count transition.
+.It Li CPL_CYCLES.RING123
+.Pq Event 5CH , Umask 02H
+Unhalted core cycles when the thread is not in ring 0.
+.It Li RS_EVENTS.EMPTY_CYCLES
+.Pq Event 5EH , Umask 01H
+Cycles the RS is empty for the thread.
+.It Li TLB_ACCESS.LOAD_STLB_HIT
+.Pq Event 5FH , Umask 01H
+Counts load operations that missed 1st level DTLB but hit the 2nd level.
+.It Li OFFCORE_REQUESTS_OUTSTANDING.DEMAND_DATA_RD
+.Pq Event 60H , Umask 01H
+Offcore outstanding Demand Data Read transactions in SQ to uncore. Set
+Cmask=1 to count cycles.
+.It Li OFFCORE_REQUESTS_OUTSTANDING.DEMAND_CODE_RD
+.Pq Event 60H , Umask 02H
+Offcore outstanding Demand Code Read transactions in SQ to uncore. Set
+Cmask=1 to count cycles.
+.It Li OFFCORE_REQUESTS_OUTSTANDING.DEMAND_RFO
+.Pq Event 60H , Umask 04H
+Offcore outstanding RFO store transactions in SQ to uncore. Set Cmask=1 to
+count cycles.
+.It Li OFFCORE_REQUESTS_OUTSTANDING.ALL_DATA_RD
+.Pq Event 60H , Umask 08H
+Offcore outstanding cacheable data read transactions in SQ to uncore. Set
+Cmask=1 to count cycles.
+.It Li LOCK_CYCLES.SPLIT_LOCK_UC_LOCK_DURATION
+.Pq Event 63H , Umask 01H
+Cycles in which the L1D and L2 are locked, due to a UC lock or split lock.
+.It Li LOCK_CYCLES.CACHE_LOCK_DURATION
+.Pq Event 63H , Umask 02H
+Cycles in which the L1D is locked.
+.It Li IDQ.EMPTY
+.Pq Event 79H , Umask 02H
+Counts cycles the IDQ is empty.
+.It Li IDQ.MITE_UOPS
+.Pq Event 79H , Umask 04H
+Increment each cycle # of uops delivered to IDQ from MITE path. 
+Can combine Umask 04H and 20H.
+Set Cmask = 1 to count cycles. 
+.It Li IDQ.DSB_UOPS
+.Pq Event 79H , Umask 08H
+Increment each cycle. # of uops delivered to IDQ from DSB path. 
+Can combine Umask 08H and 10H 
+Set Cmask = 1 to count cycles. 
+.It Li IDQ.MS_DSB_UOPS
+.Pq Event 79H , Umask 10H
+Increment each cycle # of uops delivered to IDQ when MS_busy by DSB. Set
+Cmask = 1 to count cycles. Add Edge=1 to count # of delivery.
+Can combine Umask 04H, 08H.
+.It Li IDQ.MS_MITE_UOPS
+.Pq Event 79H , Umask 20H
+Increment each cycle # of uops delivered to IDQ when MS_busy by MITE. Set
+Cmask = 1 to count cycles.
+Can combine Umask 04H, 08H.
+.It Li IDQ.MS_UOPS
+.Pq Event 79H , Umask 30H
+Increment each cycle # of uops delivered to IDQ from MS by either DSB or
+MITE. Set Cmask = 1 to count cycles.
+Can combine Umask 04H, 08H.
+.It Li IDQ.ALL_DSB_CYCLES_ANY_UOPS
+.Pq Event 79H , Umask 18H
+Counts cycles DSB is delivered at least one uops. Set Cmask = 1.
+.It Li IDQ.ALL_DSB_CYCLES_4_UOPS
+.Pq Event 79H , Umask 18H
+Counts cycles DSB is delivered four uops. Set Cmask = 4.
+.It Li IDQ.ALL_MITE_CYCLES_ANY_UOPS
+.Pq Event 79H , Umask 24H
+Counts cycles MITE is delivered at least one uops. Set Cmask = 1.
+.It Li IDQ.ALL_MITE_CYCLES_4_UOPS
+.Pq Event 79H , Umask 24H
+Counts cycles MITE is delivered four uops. Set Cmask = 4.
+.It Li IDQ.MITE_ALL_UOPS
+.Pq Event 79H , Umask 3CH
+# of uops delivered to IDQ from any path.
+.It Li ICACHE.MISSES
+.Pq Event 80H , Umask 02H
+Number of Instruction Cache, Streaming Buffer and Victim Cache Misses.
+Includes UC accesses.
+.It Li ITLB_MISSES.MISS_CAUSES_A_WALK
+.Pq Event 85H , Umask 01H
+Misses in all ITLB levels that cause page walks.
+.It Li ITLB_MISSES.WALK_COMPLETED
+.Pq Event 85H , Umask 02H
+Misses in all ITLB levels that cause completed page walks.
+.It Li ITLB_MISSES.WALK_DURATION
+.Pq Event 85H , Umask 04H
+Cycle PMH is busy with a walk.
+.It Li ITLB_MISSES.STLB_HIT
+.Pq Event 85H , Umask 10H
+Number of cache load STLB hits. No page walk.
+.It Li ILD_STALL.LCP
+.Pq Event 87H , Umask 01H
+Stalls caused by changing prefix length of the instruction.
+.It Li ILD_STALL.IQ_FULL
+.Pq Event 87H , Umask 04H
+Stall cycles due to IQ is full.
+.It Li BR_INST_EXEC.COND
+.Pq Event 88H , Umask 01H
+Qualify conditional near branch instructions executed, but not necessarily
+retired.
+Must combine with umask 40H, 80H.
+.It Li BR_INST_EXEC.DIRECT_JMP
+.Pq Event 88H , Umask 02H
+Qualify all unconditional near branch instructions excluding calls and
+indirect branches.
+Must combine with umask 80H.
+.It Li BR_INST_EXEC.INDIRECT_JMP_NON_CALL_RET
+.Pq Event 88H , Umask 04H
+Qualify executed indirect near branch instructions that are not calls nor
+returns.
+Must combine with umask 80H.
+.It Li BR_INST_EXEC.RETURN_NEAR
+.Pq Event 88H , Umask 08H
+Qualify indirect near branches that have a return mnemonic. 
+Must combine with umask 80H.
+.It Li BR_INST_EXEC.DIRECT_NEAR_CALL
+.Pq Event 88H , Umask 10H
+Qualify unconditional near call branch instructions, excluding non call
+branch, executed.
+Must combine with umask 80H.
+.It Li BR_INST_EXEC.INDIRECT_NEAR_CALL
+.Pq Event 88H , Umask 20H
+Qualify indirect near calls, including both register and memory indirect,
+executed.
+Must combine with umask 80H.
+.It Li BR_INST_EXEC.NONTAKEN
+.Pq Event 88H , Umask 40H
+Qualify non-taken near branches executed.
+Applicable to umask 01H only.
+.It Li BR_INST_EXEC.TAKEN
+.Pq Event 88H , Umask 80H
+Qualify taken near branches executed. Must combine with 01H,02H, 04H, 08H,
+10H, 20H.
+.It Li BR_INST_EXEC.ALL_BRANCHES
+.Pq Event 88H , Umask FFH
+Counts all near executed branches (not necessarily retired).
+.It Li BR_MISP_EXEC.COND
+.Pq Event 89H , Umask 01H
+Qualify conditional near branch instructions mispredicted.
+Must combine with umask 40H, 80H.
+.It Li BR_MISP_EXEC.INDIRECT_JMP_NON_CALL_RET
+.Pq Event 89H , Umask 04H
+Qualify mispredicted indirect near branch instructions that are not calls
+nor returns.
+Must combine with umask 80H.
+.It Li BR_MISP_EXEC.RETURN_NEAR
+.Pq Event 89H , Umask 08H
+Qualify mispredicted indirect near branches that have a return mnemonic.
+Must combine with umask 80H.
+.It Li BR_MISP_EXEC.DIRECT_NEAR_CALL
+.Pq Event 89H , Umask 10H
+Qualify mispredicted unconditional near call branch instructions, excluding
+non call branch, executed.
+Must combine with umask 80H.
+.It Li BR_MISP_EXEC.INDIRECT_NEAR_CALL
+.Pq Event 89H , Umask 20H
+Qualify mispredicted indirect near calls, including both register and memory
+indirect, executed.
+Must combine with umask 80H.
+.It Li BR_MISP_EXEC.NONTAKEN
+.Pq Event 89H , Umask 40H
+Qualify mispredicted non-taken near branches executed.
+Applicable to umask 01H only.
+.It Li BR_MISP_EXEC.TAKEN
+.Pq Event 89H , Umask 80H
+Qualify mispredicted taken near branches executed. Must combine with
+01H,02H, 04H, 08H, 10H, 20H.
+.It Li BR_MISP_EXEC.ALL_BRANCHES
+.Pq Event 89H , Umask FFH
+Counts all near executed branches (not necessarily retired).
+.It Li IDQ_UOPS_NOT_DELIVERED.CORE
+.Pq Event 9CH , Umask 01H
+Count number of non-delivered uops to RAT per thread.
+Use Cmask to qualify uop b/w.
+.It Li UOPS_DISPATCHED_PORT.PORT_0
+.Pq Event A1H , Umask 01H
+Cycles which a Uop is dispatched on port 0.
+.It Li UOPS_DISPATCHED_PORT.PORT_1
+.Pq Event A1H , Umask 02H
+Cycles which a Uop is dispatched on port 1.
+.It Li UOPS_DISPATCHED_PORT.PORT_2_LD
+.Pq Event A1H , Umask 04H
+Cycles which a load uop is dispatched on port 2.
+.It Li UOPS_DISPATCHED_PORT.PORT_2_STA
+.Pq Event A1H , Umask 08H
+Cycles which a store address uop is dispatched on port 2.
+.It Li UOPS_DISPATCHED_PORT.PORT_2
+.Pq Event A1H , Umask 0CH
+Cycles which a Uop is dispatched on port 2.
+.It Li UOPS_DISPATCHED_PORT.PORT_3_LD
+.Pq Event A1H , Umask 10H
+Cycles which a load uop is dispatched on port 3. 
+.It Li UOPS_DISPATCHED_PORT.PORT_3_STA
+.Pq Event A1H , Umask 20H
+Cycles which a store address uop is dispatched on port 3.
+.It Li UOPS_DISPATCHED_PORT.PORT_3
+.Pq Event A1H , Umask 30H
+Cycles which a Uop is dispatched on port 3.
+.It Li UOPS_DISPATCHED_PORT.PORT_4
+.Pq Event A1H , Umask 40H
+Cycles which a Uop is dispatched on port 4.
+.It Li UOPS_DISPATCHED_PORT.PORT_5
+.Pq Event A1H , Umask 80H
+Cycles which a Uop is dispatched on port 5.
+.It Li RESOURCE_STALLS.ANY
+.Pq Event A2H , Umask 01H
+Cycles Allocation is stalled due to Resource Related reason.
+.It Li RESOURCE_STALLS.RS
+.Pq Event A2H , Umask 04H
+Cycles stalled due to no eligible RS entry available.
+.It Li RESOURCE_STALLS.SB
+.Pq Event A2H , Umask 08H
+Cycles stalled due to no store buffers available. (not including draining
+form sync).
+.It Li RESOURCE_STALLS.ROB
+.Pq Event A2H , Umask 10H
+Cycles stalled due to re-order buffer full.
+.It Li DSB2MITE_SWITCHES.COUNT
+.Pq Event ABH , Umask 01H
+Number of DSB to MITE switches.
+.It Li DSB2MITE_SWITCHES.PENALTY_CYCLES
+.Pq Event ABH , Umask 02H
+Cycles DSB to MITE switches caused delay.
+.It Li DSB_FILL.EXCEED_DSB_LINES
+.Pq Event ACH , Umask 08H
+DSB Fill encountered > 3 DSB lines.
+.It Li ITLB.ITLB_FLUSH
+.Pq Event AEH , Umask 01H
+Counts the number of ITLB flushes, includes 4k/2M/4M pages.
+.It Li OFFCORE_REQUESTS.DEMAND_DATA_RD
+.Pq Event B0H , Umask 01H
+Demand data read requests sent to uncore.
+.It Li OFFCORE_REQUESTS.DEMAND_CODE_RD
+.Pq Event B0H , Umask 02H
+Demand code read requests sent to uncore.
+.It Li OFFCORE_REQUESTS.DEMAND_RFO
+.Pq Event B0H , Umask 04H
+Demand RFO read requests sent to uncore, including regular RFOs, locks,
+ItoM.
+.It Li OFFCORE_REQUESTS.ALL_DATA_RD
+.Pq Event B0H , Umask 08H
+Data read requests sent to uncore (demand and prefetch).
+.It Li UOPS_EXECUTED.THREAD
+.Pq Event B1H , Umask 01H
+Counts total number of uops to be executed per-thread each cycle. Set Cmask
+= 1, INV =1 to count stall cycles.
+.It Li UOPS_EXECUTED.CORE
+.Pq Event B1H , Umask 02H
+Counts total number of uops to be executed per-core each cycle.
+Do not need to set ANY.
+.It Li OFF_CORE_RESPONSE_0
+.Pq Event B7H , Umask 01H
+Off-core Response Performance Monitoring.
+PMC0 only.
+Requires programming MSR 01A6H.
+.It Li OFF_CORE_RESPONSE_1
+.Pq Event BBH , Umask 01H
+Off-core Response Performance Monitoring.
+PMC3 only.
+Requires programming MSR 01A7H.
+.It Li TLB_FLUSH.DTLB_THREAD
+.Pq Event BDH , Umask 01H
+DTLB flush attempts of the thread- specific entries.
+.It Li TLB_FLUSH.STLB_ANY
+.Pq Event BDH , Umask 20H
+Count number of STLB flush attempts.
+.It Li INST_RETIRED.ANY_P
+.Pq Event C0H , Umask 00H
+Number of instructions at retirement. 
+.It Li INST_RETIRED.ALL
+.Pq Event C0H , Umask 01H
+Precise instruction retired event with HW to reduce effect of PEBS shadow in
+IP distribution.
+PMC1 only.
+Must quiesce other PMCs.
+.It Li OTHER_ASSISTS.AVX_STORE
+.Pq Event C1H , Umask 08H
+Number of assists associated with 256-bit AVX store operations. 
+.It Li OTHER_ASSISTS.AVX_TO_SSE
+.Pq Event C1H , Umask 10H
+Number of transitions from AVX- 256 to legacy SSE when penalty applicable.
+.It Li OTHER_ASSISTS.SSE_TO_AVX
+.Pq Event C1H , Umask 20H
+Number of transitions from SSE to AVX-256 when penalty applicable.
+.It Li UOPS_RETIRED.ALL
+.Pq Event C2H , Umask 01H
+Counts the number of micro-ops retired, Use cmask=1 and invert to count
+active cycles or stalled cycles.
+Supports PEBS, use Any=1 for core granular.
+.It Li UOPS_RETIRED.RETIRE_SLOTS
+.Pq Event C2H , Umask 02H
+Counts the number of retirement slots used each cycle.
+.It Li MACHINE_CLEARS.MEMORY_ORDERING
+.Pq Event C3H , Umask 02H
+Counts the number of machine clears due to memory order conflicts.
+.It Li MACHINE_CLEARS.SMC
+.Pq Event C3H , Umask 04H
+Number of self-modifying-code machine clears detected.
+.It Li MACHINE_CLEARS.MASKMOV
+.Pq Event C3H , Umask 20H
+Counts the number of executed AVX masked load operations that refer to an
+illegal address range with the mask bits set to 0.
+.It Li BR_INST_RETIRED.ALL_BRANCHES
+.Pq Event C4H , Umask 00H
+Branch instructions at retirement.
+.It Li BR_INST_RETIRED.CONDITIONAL
+.Pq Event C4H , Umask 01H
+Counts the number of conditional branch instructions retired.
+Supports PEBS.
+.It Li BR_INST_RETIRED.NEAR_CALL
+.Pq Event C4H , Umask 02H
+Direct and indirect near call instructions retired.
+.It Li BR_INST_RETIRED.ALL_BRANCHES
+.Pq Event C4H , Umask 04H
+Counts the number of branch instructions retired.
+.It Li BR_INST_RETIRED.NEAR_RETURN
+.Pq Event C4H , Umask 08H
+Counts the number of near return instructions retired.
+.It Li BR_INST_RETIRED.NOT_TAKEN
+.Pq Event C4H , Umask 10H
+Counts the number of not taken branch instructions retired.
+.It Li BR_INST_RETIRED.NEAR_TAKEN
+.Pq Event C4H , Umask 20H
+Number of near taken branches retired.
+.It Li BR_INST_RETIRED.FAR_BRANCH
+.Pq Event C4H , Umask 40H
+Number of far branches retired.
+.It Li BR_MISP_RETIRED.ALL_BRANCHES
+.Pq Event C5H , Umask 00H
+Mispredicted branch instructions at retirement.
+.It Li BR_MISP_RETIRED.CONDITIONAL
+.Pq Event C5H , Umask 01H
+Mispredicted conditional branch instructions retired.
+Supports PEBS.
+.It Li BR_MISP_RETIRED.NEAR_CALL
+.Pq Event C5H , Umask 02H
+Direct and indirect mispredicted near call instructions retired.
+.It Li BR_MISP_RETIRED.ALL_BRANCHES
+.Pq Event C5H , Umask 04H
+Mispredicted macro branch instructions retired.
+.It Li BR_MISP_RETIRED.NOT_TAKEN
+.Pq Event C5H , Umask 10H
+Mispredicted not taken branch instructions retired.
+.It Li BR_MISP_RETIRED.TAKEN
+.Pq Event C5H , Umask 20H
+Mispredicted taken branch instructions retired.
+.It Li FP_ASSIST.X87_OUTPUT
+.Pq Event CAH , Umask 02H
+Number of X87 FP assists due to Output values.
+.It Li FP_ASSIST.X87_INPUT
+.Pq Event CAH , Umask 04H
+Number of X87 FP assists due to input values.
+.It Li FP_ASSIST.SIMD_OUTPUT
+.Pq Event CAH , Umask 08H
+Number of SIMD FP assists due to Output values.
+.It Li FP_ASSIST.SIMD_INPUT
+.Pq Event CAH , Umask 10H
+Number of SIMD FP assists due to input values.
+.It Li FP_ASSIST.ANY
+.Pq Event CAH , Umask 1EH
+Cycles with any input/output SSE* or FP assists.
+.It Li ROB_MISC_EVENTS.LBR_INSERTS
+.Pq Event CCH , Umask 20H
+Count cases of saving new LBR records by hardware.
+.It Li MEM_TRANS_RETIRED.LOAD_LATENCY
+.Pq Event CDH , Umask 01H
+Sample loads with specified latency threshold.
+PMC3 only.
+Specify threshold in MSR 0x3F6.
+.It Li MEM_TRANS_RETIRED.PRECISE_STORE
+.Pq Event CDH , Umask 02H
+Sample stores and collect precise store operation via PEBS record.
+PMC3 only. 
+.It Li MEM_UOP_RETIRED.LOADS
+.Pq Event D0H , Umask 01H
+Qualify retired memory uops that are loads. Combine with umask 10H, 20H,
+40H, 80H.
+Supports PEBS.
+.It Li MEM_UOP_RETIRED.STORES
+.Pq Event D0H , Umask 02H
+Qualify retired memory uops that are stores. Combine with umask 10H, 20H,
+40H, 80H.
+.It Li MEM_UOP_RETIRED.STLB_MISS
+.Pq Event D0H , Umask 10H
+Qualify retired memory uops with STLB miss. Must combine with umask 01H,
+02H, to produce counts.
+.It Li MEM_UOP_RETIRED.LOCK
+.Pq Event D0H , Umask 20H
+Qualify retired memory uops with lock. Must combine with umask 01H, 02H, to
+produce counts.
+.It Li MEM_UOP_RETIRED.SPLIT
+.Pq Event D0H , Umask 40H
+Qualify retired memory uops with line split. Must combine with umask 01H,
+02H, to produce counts.
+.It Li MEM_UOP_RETIRED.ALL
+.Pq Event D0H , Umask 80H
+Qualify any retired memory uops. Must combine with umask 01H, 02H, to
+produce counts.
+.It Li MEM_LOAD_UOPS_RETIRED.L1_HIT
+.Pq Event D1H , Umask 01H
+Retired load uops with L1 cache hits as data sources.
+Supports PEBS.
+.It Li MEM_LOAD_UOPS_RETIRED.L2_HIT
+.Pq Event D1H , Umask 02H
+Retired load uops with L2 cache hits as data sources.
+.It Li MEM_LOAD_UOPS_RETIRED.LLC_HIT
+.Pq Event D1H , Umask 04H
+Retired load uops with LLC cache hits as data sources.
+.It Li MEM_LOAD_UOPS_RETIRED.HIT_LFB
+.Pq Event D1H , Umask 40H
+Retired load uops which data sources were load uops missed L1 but hit FB due
+to preceding miss to the same cache line with data not ready.
+.It Li MEM_LOAD_UOPS_LLC_HIT_RETIRED.XSNP_MISS
+.Pq Event D2H , Umask 01H
+Retired load uops which data sources were LLC hit and cross-core snoop
+missed in on-pkg core cache.
+Supports PEBS.
+.It Li MEM_LOAD_UOPS_LLC_HIT_RETIRED.XSNP_HIT
+.Pq Event D2H , Umask 02H
+Retired load uops which data sources were LLC and cross-core snoop hits in
+on-pkg core cache.
+Supports PEBS.
+.It Li MEM_LOAD_UOPS_LLC_HIT_RETIRED.XSNP_HITM
+.Pq Event D2H , Umask 04H
+Retired load uops which data sources were HitM responses from shared LLC.
+.It Li MEM_LOAD_UOPS_LLC_HIT_RETIRED.XSNP_NONE
+.Pq Event D2H , Umask 08H
+Retired load uops which data sources were hits in LLC without snoops
+required.
+.It Li MEM_LOAD_UOPS_LLC_MISS_RETIRED.LOCAL_DRAM
+.Pq Event D3H , Umask 01H
+Retired load uops which data sources missed LLC but serviced from local
+dram.
+Supports PEBS.
+.It Li L2_TRANS.DEMAND_DATA_RD
+.Pq Event F0H , Umask 01H
+Demand Data Read requests that access L2 cache.
+.It Li L2_TRANS.RFO
+.Pq Event F0H , Umask 02H
+RFO requests that access L2 cache.
+.It Li L2_TRANS.CODE_RD
+.Pq Event F0H , Umask 04H
+L2 cache accesses when fetching instructions.
+.It Li L2_TRANS.ALL_PF
+.Pq Event F0H , Umask 08H

*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***


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