xref: /freebsd/lib/libpmc/pmc.haswell.3 (revision 82d6d46d0d1dbdaa32c754f97e94a772d01cb26c)
1.\" Copyright (c) 2013 Hiren Panchasara <hiren.panchasara@gmail.com>
2.\" All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\"    notice, this list of conditions and the following disclaimer.
9.\" 2. Redistributions in binary form must reproduce the above copyright
10.\"    notice, this list of conditions and the following disclaimer in the
11.\"    documentation and/or other materials provided with the distribution.
12.\"
13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23.\" SUCH DAMAGE.
24.\"
25.Dd March 22, 2013
26.Dt PMC.HASWELL 3
27.Os
28.Sh NAME
29.Nm pmc.haswell
30.Nd measurement events for
31.Tn Intel
32.Tn Haswell
33family CPUs
34.Sh LIBRARY
35.Lb libpmc
36.Sh SYNOPSIS
37.In pmc.h
38.Sh DESCRIPTION
39.Tn Intel
40.Tn "Haswell"
41CPUs contain PMCs conforming to version 2 of the
42.Tn Intel
43performance measurement architecture.
44These CPUs may contain up to two classes of PMCs:
45.Bl -tag -width "Li PMC_CLASS_IAP"
46.It Li PMC_CLASS_IAF
47Fixed-function counters that count only one hardware event per counter.
48.It Li PMC_CLASS_IAP
49Programmable counters that may be configured to count one of a defined
50set of hardware events.
51.El
52.Pp
53The number of PMCs available in each class and their widths need to be
54determined at run time by calling
55.Xr pmc_cpuinfo 3 .
56.Pp
57Intel Haswell PMCs are documented in
58.Rs
59.%B "Intel(R) 64 and IA-32 Architectures Software Developer's Manual"
60.%T "Combined Volumes: 1, 2A, 2B, 2C, 3A, 3B and 3C"
61.%N "Order Number: 325462-045US"
62.%D January 2013
63.%Q "Intel Corporation"
64.Re
65.Ss HASWELL FIXED FUNCTION PMCS
66These PMCs and their supported events are documented in
67.Xr pmc.iaf 3 .
68.Ss HASWELL PROGRAMMABLE PMCS
69The programmable PMCs support the following capabilities:
70.Bl -column "PMC_CAP_INTERRUPT" "Support"
71.It Em Capability Ta Em Support
72.It PMC_CAP_CASCADE Ta \&No
73.It PMC_CAP_EDGE Ta Yes
74.It PMC_CAP_INTERRUPT Ta Yes
75.It PMC_CAP_INVERT Ta Yes
76.It PMC_CAP_READ Ta Yes
77.It PMC_CAP_PRECISE Ta \&No
78.It PMC_CAP_SYSTEM Ta Yes
79.It PMC_CAP_TAGGING Ta \&No
80.It PMC_CAP_THRESHOLD Ta Yes
81.It PMC_CAP_USER Ta Yes
82.It PMC_CAP_WRITE Ta Yes
83.El
84.Ss Event Qualifiers
85Event specifiers for these PMCs support the following common
86qualifiers:
87.Bl -tag -width indent
88.It Li rsp= Ns Ar value
89Configure the Off-core Response bits.
90.Bl -tag -width indent
91.It Li DMND_DATA_RD
92Counts the number of demand and DCU prefetch data reads of full
93and partial cachelines as well as demand data page table entry
94cacheline reads.
95Does not count L2 data read prefetches or instruction fetches.
96.It Li REQ_DMND_RFO
97Counts the number of demand and DCU prefetch reads for ownership (RFO)
98requests generated by a write to data cacheline.
99Does not count L2 RFO prefetches.
100.It Li REQ_DMND_IFETCH
101Counts the number of demand and DCU prefetch instruction cacheline reads.
102Does not count L2 code read prefetches.
103.It Li REQ_WB
104Counts the number of writeback (modified to exclusive) transactions.
105.It Li REQ_PF_DATA_RD
106Counts the number of data cacheline reads generated by L2 prefetchers.
107.It Li REQ_PF_RFO
108Counts the number of RFO requests generated by L2 prefetchers.
109.It Li REQ_PF_IFETCH
110Counts the number of code reads generated by L2 prefetchers.
111.It Li REQ_PF_LLC_DATA_RD
112L2 prefetcher to L3 for loads.
113.It Li REQ_PF_LLC_RFO
114RFO requests generated by L2 prefetcher
115.It Li REQ_PF_LLC_IFETCH
116L2 prefetcher to L3 for instruction fetches.
117.It Li REQ_BUS_LOCKS
118Bus lock and split lock requests.
119.It Li REQ_STRM_ST
120Streaming store requests.
121.It Li REQ_OTHER
122Any other request that crosses IDI, including I/O.
123.It Li RES_ANY
124Catch all value for any response types.
125.It Li RES_SUPPLIER_NO_SUPP
126No Supplier Information available.
127.It Li RES_SUPPLIER_LLC_HITM
128M-state initial lookup stat in L3.
129.It Li RES_SUPPLIER_LLC_HITE
130E-state.
131.It Li RES_SUPPLIER_LLC_HITS
132S-state.
133.It Li RES_SUPPLIER_LLC_HITF
134F-state.
135.It Li RES_SUPPLIER_LOCAL
136Local DRAM Controller.
137.It Li RES_SNOOP_SNP_NONE
138No details on snoop-related information.
139.It Li RES_SNOOP_SNP_NO_NEEDED
140No snoop was needed to satisfy the request.
141.It Li RES_SNOOP_SNP_MISS
142A snoop was needed and it missed all snooped caches:
143-For LLC Hit, ReslHitl was returned by all cores
144-For LLC Miss, Rspl was returned by all sockets and data was returned from
145DRAM.
146.It Li RES_SNOOP_HIT_NO_FWD
147A snoop was needed and it hits in at least one snooped cache.
148Hit denotes a cache-line was valid before snoop effect.
149This includes:
150-Snoop Hit w/ Invalidation (LLC Hit, RFO)
151-Snoop Hit, Left Shared (LLC Hit/Miss, IFetch/Data_RD)
152-Snoop Hit w/ Invalidation and No Forward (LLC Miss, RFO Hit S)
153In the LLC Miss case, data is returned from DRAM.
154.It Li RES_SNOOP_HIT_FWD
155A snoop was needed and data was forwarded from a remote socket.
156This includes:
157-Snoop Forward Clean, Left Shared (LLC Hit/Miss, IFetch/Data_RD/RFT).
158.It Li RES_SNOOP_HITM
159A snoop was needed and it HitM-ed in local or remote cache.
160HitM denotes a cache-line was in modified state before effect as a results of snoop.
161This includes:
162-Snoop HitM w/ WB (LLC miss, IFetch/Data_RD)
163-Snoop Forward Modified w/ Invalidation (LLC Hit/Miss, RFO)
164-Snoop MtoS (LLC Hit, IFetch/Data_RD).
165.It Li RES_NON_DRAM
166Target was non-DRAM system address.
167This includes MMIO transactions.
168.El
169.It Li cmask= Ns Ar value
170Configure the PMC to increment only if the number of configured
171events measured in a cycle is greater than or equal to
172.Ar value .
173.It Li edge
174Configure the PMC to count the number of de-asserted to asserted
175transitions of the conditions expressed by the other qualifiers.
176If specified, the counter will increment only once whenever a
177condition becomes true, irrespective of the number of clocks during
178which the condition remains true.
179.It Li inv
180Invert the sense of comparison when the
181.Dq Li cmask
182qualifier is present, making the counter increment when the number of
183events per cycle is less than the value specified by the
184.Dq Li cmask
185qualifier.
186.It Li os
187Configure the PMC to count events happening at processor privilege
188level 0.
189.It Li usr
190Configure the PMC to count events occurring at privilege levels 1, 2
191or 3.
192.El
193.Pp
194If neither of the
195.Dq Li os
196or
197.Dq Li usr
198qualifiers are specified, the default is to enable both.
199.Ss Event Specifiers (Programmable PMCs)
200Haswell programmable PMCs support the following events:
201.Bl -tag -width indent
202.It Li LD_BLOCKS.STORE_FORWARD
203.Pq Event 03H , Umask 02H
204Loads blocked by overlapping with store buffer that
205cannot be forwarded.
206.It Li MISALIGN_MEM_REF.LOADS
207.Pq Event 05H , Umask 01H
208Speculative cache-line split load uops dispatched to
209L1D.
210.It Li MISALIGN_MEM_REF.STORES
211.Pq Event 05H , Umask 02H
212Speculative cache-line split Store-address uops
213dispatched to L1D.
214.It Li LD_BLOCKS_PARTIAL.ADDRESS_ALIAS
215.Pq Event 07H , Umask 01H
216False dependencies in MOB due to partial compare
217on address.
218.It Li DTLB_LOAD_MISSES.MISS_CAUSES_A_WALK
219.Pq Event 08H , Umask 01H
220Misses in all TLB levels that cause a page walk of any
221page size.
222.It Li DTLB_LOAD_MISSES.WALK_COMPLETED_4K
223.Pq Event 08H , Umask 02H
224Completed page walks due to demand load misses
225that caused 4K page walks in any TLB levels.
226.It Li DTLB_LOAD_MISSES.WALK_COMPLETED_2M_4K
227.Pq Event 08H , Umask 02H
228Completed page walks due to demand load misses
229that caused 2M/4M page walks in any TLB levels.
230.It Li DTLB_LOAD_MISSES.WALK_COMPLETED
231.Pq Event 08H , Umask 0EH
232Completed page walks in any TLB of any page size
233due to demand load misses
234.It Li DTLB_LOAD_MISSES.WALK_DURATION
235.Pq Event 08H , Umask 10H
236Cycle PMH is busy with a walk.
237.It Li DTLB_LOAD_MISSES.STLB_HIT_4K
238.Pq Event 08H , Umask 20H
239Load misses that missed DTLB but hit STLB (4K).
240.It Li DTLB_LOAD_MISSES.STLB_HIT_2M
241.Pq Event 08H , Umask 40H
242Load misses that missed DTLB but hit STLB (2M).
243.It Li DTLB_LOAD_MISSES.STLB_HIT
244.Pq Event 08H , Umask 60H
245Number of cache load STLB hits.
246No page walk.
247.It Li DTLB_LOAD_MISSES.PDE_CACHE_MISS
248.Pq Event 08H , Umask 80H
249DTLB demand load misses with low part of linear-to-
250physical address translation missed
251.It Li INT_MISC.RECOVERY_CYCLES
252.Pq Event 0DH , Umask 03H
253Cycles waiting to recover after Machine Clears
254except JEClear.
255Set Cmask= 1.
256.It Li UOPS_ISSUED.ANY
257.Pq Event 0EH , Umask 01H
258ncrements each cycle the # of Uops issued by the
259RAT to RS.
260Set Cmask = 1, Inv = 1, Any= 1to count stalled cycles
261of this core.
262.It Li UOPS_ISSUED.FLAGS_MERGE
263.Pq Event 0EH , Umask 10H
264Number of flags-merge uops allocated.
265Such uops adds delay.
266.It Li UOPS_ISSUED.SLOW_LEA
267.Pq Event 0EH , Umask 20H
268Number of slow LEA or similar uops allocated.
269Such uop has 3 sources (e.g. 2 sources + immediate)
270regardless if as a result of LEA instruction or not.
271.It Li UOPS_ISSUED.SiNGLE_MUL
272.Pq Event 0EH , Umask 40H
273Number of multiply packed/scalar single precision
274uops allocated.
275.It Li L2_RQSTS.DEMAND_DATA_RD_MISS
276.Pq Event 24H , Umask 21H
277Demand Data Read requests that missed L2, no
278rejects.
279.It Li L2_RQSTS.DEMAND_DATA_RD_HIT
280.Pq Event 24H , Umask 41H
281Demand Data Read requests that hit L2 cache.
282.It Li L2_RQSTS.ALL_DEMAND_DATA_RD
283.Pq Event 24H , Umask E1H
284Counts any demand and L1 HW prefetch data load
285requests to L2.
286.It Li L2_RQSTS.RFO_HIT
287.Pq Event 24H , Umask 42H
288Counts the number of store RFO requests that hit
289the L2 cache.
290.It Li L2_RQSTS.RFO_MISS
291.Pq Event 24H , Umask 22H
292Counts the number of store RFO requests that miss
293the L2 cache.
294.It Li L2_RQSTS.ALL_RFO
295.Pq Event 24H , Umask E2H
296Counts all L2 store RFO requests.
297.It Li L2_RQSTS.CODE_RD_HIT
298.Pq Event 24H , Umask 44H
299Number of instruction fetches that hit the L2 cache.
300.It Li L2_RQSTS.CODE_RD_MISS
301.Pq Event 24H , Umask 24H
302Number of instruction fetches that missed the L2
303cache.
304.It Li L2_RQSTS.ALL_DEMAND_MISS
305.Pq Event 24H , Umask 27H
306Demand requests that miss L2 cache.
307.It Li L2_RQSTS.ALL_DEMAND_REFERENCES
308.Pq Event 24H , Umask E7H
309Demand requests to L2 cache.
310.It Li L2_RQSTS.ALL_CODE_RD
311.Pq Event 24H , Umask E4H
312Counts all L2 code requests.
313.It Li L2_RQSTS.L2_PF_HIT
314.Pq Event 24H , Umask 50H
315Counts all L2 HW prefetcher requests that hit L2.
316.It Li L2_RQSTS.L2_PF_MISS
317.Pq Event 24H , Umask 30H
318Counts all L2 HW prefetcher requests that missed
319L2.
320.It Li L2_RQSTS.ALL_PF
321.Pq Event 24H , Umask F8H
322Counts all L2 HW prefetcher requests.
323.It Li L2_RQSTS.MISS
324.Pq Event 24H , Umask 3FH
325All requests that missed L2.
326.It Li L2_RQSTS.REFERENCES
327.Pq Event 24H , Umask FFH
328All requests to L2 cache.
329.It Li L2_DEMAND_RQSTS.WB_HIT
330.Pq Event 27H , Umask 50H
331Not rejected writebacks that hit L2 cache
332.It Li LONGEST_LAT_CACHE.REFERENCE
333.Pq Event 2EH , Umask 4FH
334This event counts requests originating from the core
335that reference a cache line in the last level cache.
336.It Li LONGEST_LAT_CACHE.MISS
337.Pq Event 2EH , Umask 41H
338This event counts each cache miss condition for
339references to the last level cache.
340.It Li CPU_CLK_UNHALTED.THREAD_P
341.Pq Event 3CH , Umask 00H
342Counts the number of thread cycles while the thread is not in a halt state.
343The thread enters the halt state when it is running the HLT instruction.
344The core frequency may change from time to time due to power or thermal throttling.
345.It Li CPU_CLK_THREAD_UNHALTED.REF_XCLK
346.Pq Event 3CH , Umask 01H
347Increments at the frequency of XCLK (100 MHz)
348when not halted.
349.It Li L1D_PEND_MISS.PENDING
350.Pq Event 48H , Umask 01H
351Increments the number of outstanding L1D misses every cycle.
352Set Cmaks = 1 and Edge =1 to count occurrences.
353.It Li DTLB_STORE_MISSES.MISS_CAUSES_A_WALK
354.Pq Event 49H , Umask 01H
355Miss in all TLB levels causes an page walk of any
356page size (4K/2M/4M/1G).
357.It Li DTLB_STORE_MISSES.WALK_COMPLETED_4K
358.Pq Event 49H , Umask 02H
359Completed page walks due to store misses in one or
360more TLB levels of 4K page structure.
361.It Li DTLB_STORE_MISSES.WALK_COMPLETED_2M_4M
362.Pq Event 49H , Umask 04H
363Completed page walks due to store misses in one or
364more TLB levels of 2M/4M page structure.
365.It Li DTLB_STORE_MISSES.WALK_COMPLETED
366.Pq Event 49H , Umask 0EH
367Completed page walks due to store miss in any TLB
368levels of any page size (4K/2M/4M/1G).
369.It Li DTLB_STORE_MISSES.WALK_DURATION
370.Pq Event 49H , Umask 10H
371Cycles PMH is busy with this walk.
372.It Li DTLB_STORE_MISSES.STLB_HIT_4K
373.Pq Event 49H , Umask 20H
374Store misses that missed DTLB but hit STLB (4K).
375.It Li DTLB_STORE_MISSES.STLB_HIT_2M
376.Pq Event 49H , Umask 40H
377Store misses that missed DTLB but hit STLB (2M).
378.It Li DTLB_STORE_MISSES.STLB_HIT
379.Pq Event 49H , Umask 60H
380Store operations that miss the first TLB level but hit
381the second and do not cause page walks.
382.It Li DTLB_STORE_MISSES.PDE_CACHE_MISS
383.Pq Event 49H , Umask 80H
384DTLB store misses with low part of linear-to-physical
385address translation missed.
386.It Li LOAD_HIT_PRE.SW_PF
387.Pq Event 4CH , Umask 01H
388Non-SW-prefetch load dispatches that hit fill buffer
389allocated for S/W prefetch.
390.It Li LOAD_HIT_PRE.HW_PF
391.Pq Event 4CH , Umask 02H
392Non-SW-prefetch load dispatches that hit fill buffer
393allocated for H/W prefetch.
394.It Li L1D.REPLACEMENT
395.Pq Event 51H , Umask 01H
396Counts the number of lines brought into the L1 data
397cache.
398.It Li MOVE_ELIMINATION.INT_NOT_ELIMINATED
399.Pq Event 58H , Umask 04H
400Number of integer Move Elimination candidate uops
401that were not eliminated.
402.It Li MOVE_ELIMINATION.SMID_NOT_ELIMINATED
403.Pq Event 58H , Umask 08H
404Number of SIMD Move Elimination candidate uops
405that were not eliminated.
406.It Li MOVE_ELIMINATION.INT_ELIMINATED
407.Pq Event 58H , Umask 01H
408Unhalted core cycles when the thread is in ring 0.
409.It Li MOVE_ELIMINATION.SMID_ELIMINATED
410.Pq Event 58H , Umask 02H
411Number of SIMD Move Elimination candidate uops
412that were eliminated.
413.It Li CPL_CYCLES.RING0
414.Pq Event 5CH , Umask 02H
415Unhalted core cycles when the thread is in ring 0.
416.It Li CPL_CYCLES.RING123
417.Pq Event 5CH , Umask 01H
418Unhalted core cycles when the thread is not in ring 0.
419.It Li RS_EVENTS.EMPTY_CYCLES
420.Pq Event 5EH , Umask 01H
421Cycles the RS is empty for the thread.
422.It Li OFFCORE_REQUESTS_OUTSTANDING.DEMAND_DATA_RD
423.Pq Event 60H , Umask 01H
424Offcore outstanding Demand Data Read transactions in SQ to uncore.
425Set Cmask=1 to count cycles.
426.It Li OFFCORE_REQUESTS_OUTSTANDING.DEMAND_CORE_RD
427.Pq Event 60H , Umask 02H
428Offcore outstanding Demand code Read transactions in SQ to uncore.
429Set Cmask=1 to count cycles.
430.It Li OFFCORE_REQUESTS_OUTSTANDING.DEMAND_RFO
431.Pq Event 60H , Umask 04H
432Offcore outstanding RFO store transactions in SQ to uncore.
433Set Cmask=1 to count cycles.
434.It Li OFFCORE_REQUESTS_OUTSTANDING.ALL_DATA_RD
435.Pq Event 60H , Umask 08H
436Offcore outstanding cacheable data read transactions in SQ to uncore.
437Set Cmask=1 to count cycles.
438.It Li LOCK_CYCLES.SPLIT_LOCK_UC_LOCK_DURATION
439.Pq Event 63H , Umask 01H
440Cycles in which the L1D and L2 are locked, due to a UC lock or split lock.
441.It Li LOCK_CYCLES.CACHE_LOCK_DURATION
442.Pq Event 63H , Umask 02H
443Cycles in which the L1D is locked.
444.It Li IDQ.EMPTY
445.Pq Event 79H , Umask 02H
446Counts cycles the IDQ is empty.
447.It Li IDQ.MITE_UOPS
448.Pq Event 79H , Umask 04H
449Increment each cycle # of uops delivered to IDQ from MITE path.
450Set Cmask = 1 to count cycles.
451.It Li IDQ.DSB_UOPS
452.Pq Event 79H , Umask 08H
453Increment each cycle. # of uops delivered to IDQ
454from DSB path.
455Set Cmask = 1 to count cycles.
456.It Li IDQ.MS_DSB_UOPS
457.Pq Event 79H , Umask 10H
458Increment each cycle # of uops delivered to IDQ when MS_busy by DSB.
459Set Cmask = 1 to count cycles.
460Add Edge=1 to count # of delivery.
461.It Li IDQ.MS_MITE_UOPS
462.Pq Event 79H , Umask 20H
463ncrement each cycle # of uops delivered to IDQ when MS_busy by MITE.
464Set Cmask = 1 to count cycles.
465.It Li IDQ.MS_UOPS
466.Pq Event 79H , Umask 30H
467Increment each cycle # of uops delivered to IDQ from MS by either DSB or MITE.
468Set Cmask = 1 to count cycles.
469.It Li IDQ.ALL_DSB_CYCLES_ANY_UOPS
470.Pq Event 79H , Umask 18H
471Counts cycles DSB is delivered at least one uops.
472Set Cmask = 1.
473.It Li IDQ.ALL_DSB_CYCLES_4_UOPS
474.Pq Event 79H , Umask 18H
475Counts cycles DSB is delivered four uops.
476Set Cmask=4.
477.It Li IDQ.ALL_MITE_CYCLES_ANY_UOPS
478.Pq Event 79H , Umask 24H
479Counts cycles MITE is delivered at least one uops.
480Set Cmask = 1.
481.It Li IDQ.ALL_MITE_CYCLES_4_UOPS
482.Pq Event 79H , Umask 24H
483Counts cycles MITE is delivered four uops.
484Set Cmask =4.
485.It Li IDQ.MITE_ALL_UOPS
486.Pq Event 79H , Umask 3CH
487# of uops delivered to IDQ from any path.
488.It Li ICACHE.MISSES
489.Pq Event 80H , Umask 02H
490Number of Instruction Cache, Streaming Buffer and Victim Cache Misses.
491Includes UC accesses.
492.It Li ITLB_MISSES.MISS_CAUSES_A_WALK
493.Pq Event 85H , Umask 01H
494Misses in ITLB that causes a page walk of any page
495size.
496.It Li ITLB_MISSES.WALK_COMPLETED_4K
497.Pq Event 85H , Umask 02H
498Completed page walks due to misses in ITLB 4K page
499entries.
500.It Li TLB_MISSES.WALK_COMPLETED_2M_4M
501.Pq Event 85H , Umask 04H
502Completed page walks due to misses in ITLB 2M/4M
503page entries.
504.It Li ITLB_MISSES.WALK_COMPLETED
505.Pq Event 85H , Umask 0EH
506Completed page walks in ITLB of any page size.
507.It Li ITLB_MISSES.WALK_DURATION
508.Pq Event 85H , Umask 10H
509Cycle PMH is busy with a walk.
510.It Li ITLB_MISSES.STLB_HIT_4K
511.Pq Event 85H , Umask 20H
512ITLB misses that hit STLB (4K).
513.It Li ITLB_MISSES.STLB_HIT_2M
514.Pq Event 85H , Umask 40H
515ITLB misses that hit STLB (2K).
516.It Li ITLB_MISSES.STLB_HIT
517.Pq Event 85H , Umask 60H
518TLB misses that hit STLB.
519No page walk.
520.It Li ILD_STALL.LCP
521.Pq Event 87H , Umask 01H
522Stalls caused by changing prefix length of the
523instruction.
524.It Li ILD_STALL.IQ_FULL
525.Pq Event 87H , Umask 04H
526Stall cycles due to IQ is full.
527.It Li BR_INST_EXEC.NONTAKEN_COND
528.Pq Event 88H , Umask 41H
529Count conditional near branch instructions that were executed (but not
530necessarily retired) and not taken.
531.It Li BR_INST_EXEC.TAKEN_COND
532.Pq Event 88H , Umask 81H
533Count conditional near branch instructions that were executed (but not
534necessarily retired) and taken.
535.It Li BR_INST_EXEC.DIRECT_JMP
536.Pq Event 88H , Umask 82H
537Count all unconditional near branch instructions excluding calls and
538indirect branches.
539.It Li BR_INST_EXEC.INDIRECT_JMP_NON_CALL_RET
540.Pq Event 88H , Umask 84H
541Count executed indirect near branch instructions that are not calls nor
542returns.
543.It Li BR_INST_EXEC.RETURN_NEAR
544.Pq Event 88H , Umask 88H
545Count indirect near branches that have a return mnemonic.
546.It Li BR_INST_EXEC.DIRECT_NEAR_CALL
547.Pq Event 88H , Umask 90H
548Count unconditional near call branch instructions, excluding non call
549branch, executed.
550.It Li BR_INST_EXEC.INDIRECT_NEAR_CALL
551.Pq Event 88H , Umask A0H
552Count indirect near calls, including both register and memory indirect,
553executed.
554.It Li BR_INST_EXEC.ALL_BRANCHES
555.Pq Event 88H , Umask FFH
556Counts all near executed branches (not necessarily retired).
557.It Li BR_MISP_EXEC.NONTAKEN_COND
558.Pq Event 89H , Umask 41H
559Count conditional near branch instructions mispredicted as nontaken.
560.It Li BR_MISP_EXEC.TAKEN_COND
561.Pq Event 89H , Umask 81H
562Count conditional near branch instructions mispredicted as taken.
563.It Li BR_MISP_EXEC.INDIRECT_JMP_NON_CALL_RET
564.Pq Event 89H , Umask 84H
565Count mispredicted indirect near branch instructions that are not calls
566nor returns.
567.It Li BR_MISP_EXEC.RETURN_NEAR
568.Pq Event 89H , Umask 88H
569Count mispredicted indirect near branches that have a return mnemonic.
570.It Li BR_MISP_EXEC.DIRECT_NEAR_CALL
571.Pq Event 89H , Umask 90H
572Count mispredicted unconditional near call branch instructions, excluding
573non call branch, executed.
574.It Li BR_MISP_EXEC.INDIRECT_NEAR_CALL
575.Pq Event 89H , Umask A0H
576Count mispredicted indirect near calls, including both register and memory
577indirect, executed.
578.It Li BR_MISP_EXEC.ALL_BRANCHES
579.Pq Event 89H , Umask FFH
580Counts all mispredicted near executed branches (not necessarily retired).
581.It Li IDQ_UOPS_NOT_DELIVERED.CORE
582.Pq Event 9CH , Umask 01H
583Count number of non-delivered uops to RAT per
584thread.
585.It Li UOPS_EXECUTED_PORT.PORT_0
586.Pq Event A1H , Umask 01H
587Cycles which a Uop is dispatched on port 0 in this
588thread.
589.It Li UOPS_EXECUTED_PORT.PORT_1
590.Pq Event A1H , Umask 02H
591Cycles which a Uop is dispatched on port 1 in this
592thread.
593.It Li UOPS_EXECUTED_PORT.PORT_2
594.Pq Event A1H , Umask 04H
595Cycles which a Uop is dispatched on port 2 in this
596thread.
597.It Li UOPS_EXECUTED_PORT.PORT_3
598.Pq Event A1H , Umask 08H
599Cycles which a Uop is dispatched on port 3 in this
600thread.
601.It Li UOPS_EXECUTED_PORT.PORT_4
602.Pq Event A1H , Umask 10H
603Cycles which a Uop is dispatched on port 4 in this
604thread.
605.It Li UOPS_EXECUTED_PORT.PORT_5
606.Pq Event A1H , Umask 20H
607Cycles which a Uop is dispatched on port 5 in this
608thread.
609.It Li UOPS_EXECUTED_PORT.PORT_6
610.Pq Event A1H , Umask 40H
611Cycles which a Uop is dispatched on port 6 in this
612thread.
613.It Li UOPS_EXECUTED_PORT.PORT_7
614.Pq Event A1H , Umask 80H
615Cycles which a Uop is dispatched on port 7 in this
616thread.
617.It Li RESOURCE_STALLS.ANY
618.Pq Event A2H , Umask 01H
619Cycles Allocation is stalled due to Resource Related
620reason.
621.It Li RESOURCE_STALLS.RS
622.Pq Event A2H , Umask 04H
623Cycles stalled due to no eligible RS entry available.
624.It Li RESOURCE_STALLS.SB
625.Pq Event A2H , Umask 08H
626Cycles stalled due to no store buffers available (not
627including draining form sync).
628.It Li RESOURCE_STALLS.ROB
629.Pq Event A2H , Umask 10H
630Cycles stalled due to re-order buffer full.
631.It Li CYCLE_ACTIVITY.CYCLES_L2_PENDING
632.Pq Event A3H , Umask 01H
633Cycles with pending L2 miss loads.
634Set Cmask=2 to count cycle.
635.It Li CYCLE_ACTIVITY.CYCLES_LDM_PENDING
636.Pq Event A3H , Umask 02H
637Cycles with pending memory loads.
638Set Cmask=2 to count cycle.
639.It Li CYCLE_ACTIVITY.STALLS_L2_PENDING
640.Pq Event A3H , Umask 05H
641Number of loads missed L2.
642.It Li CYCLE_ACTIVITY.CYCLES_L1D_PENDING
643.Pq Event A3H , Umask 08H
644Cycles with pending L1 cache miss loads.
645Set Cmask=8 to count cycle.
646.It Li ITLB.ITLB_FLUSH
647.Pq Event AEH , Umask 01H
648Counts the number of ITLB flushes, includes
6494k/2M/4M pages.
650.It Li OFFCORE_REQUESTS.DEMAND_DATA_RD
651.Pq Event B0H , Umask 01H
652Demand data read requests sent to uncore.
653.It Li OFFCORE_REQUESTS.DEMAND_CODE_RD
654.Pq Event B0H , Umask 02H
655Demand code read requests sent to uncore.
656.It Li OFFCORE_REQUESTS.DEMAND_RFO
657.Pq Event B0H , Umask 04H
658Demand RFO read requests sent to uncore, including
659regular RFOs, locks, ItoM.
660.It Li OFFCORE_REQUESTS.ALL_DATA_RD
661.Pq Event B0H , Umask 08H
662Data read requests sent to uncore (demand and
663prefetch).
664.It Li UOPS_EXECUTED.CORE
665.Pq Event B1H , Umask 02H
666Counts total number of uops to be executed per-core
667each cycle.
668.It Li OFF_CORE_RESPONSE_0
669.Pq Event B7H , Umask 01H
670Requires MSR 01A6H
671.It Li OFF_CORE_RESPONSE_1
672.Pq Event BBH , Umask 01H
673Requires MSR 01A7H
674.It Li PAGE_WALKER_LOADS.DTLB_L1
675.Pq Event BCH , Umask 11H
676Number of DTLB page walker loads that hit in the
677L1+FB.
678.It Li PAGE_WALKER_LOADS.ITLB_L1
679.Pq Event BCH , Umask 21H
680Number of ITLB page walker loads that hit in the
681L1+FB.
682.It Li PAGE_WALKER_LOADS.DTLB_L2
683.Pq Event BCH , Umask 12H
684Number of DTLB page walker loads that hit in the L2.
685.It Li PAGE_WALKER_LOADS.ITLB_L2
686.Pq Event BCH , Umask 22H
687Number of ITLB page walker loads that hit in the L2.
688.It Li PAGE_WALKER_LOADS.DTLB_L3
689.Pq Event BCH , Umask 14H
690Number of DTLB page walker loads that hit in the L3.
691.It Li PAGE_WALKER_LOADS.ITLB_L3
692.Pq Event BCH , Umask 24H
693Number of ITLB page walker loads that hit in the L3.
694.It Li PAGE_WALKER_LOADS.DTLB_MEMORY
695.Pq Event BCH , Umask 18H
696Number of DTLB page walker loads from memory.
697.It Li PAGE_WALKER_LOADS.ITLB_MEMORY
698.Pq Event BCH , Umask 28H
699Number of ITLB page walker loads from memory.
700.It Li TLB_FLUSH.DTLB_THREAD
701.Pq Event BDH , Umask 01H
702DTLB flush attempts of the thread-specific entries.
703.It Li TLB_FLUSH.STLB_ANY
704.Pq Event BDH , Umask 20H
705Count number of STLB flush attempts.
706.It Li INST_RETIRED.ANY_P
707.Pq Event C0H , Umask 00H
708Number of instructions at retirement.
709.It Li INST_RETIRED.ALL
710.Pq Event C0H , Umask 01H
711Precise instruction retired event with HW to reduce
712effect of PEBS shadow in IP distribution.
713.It Li OTHER_ASSISTS.AVX_TO_SSE
714.Pq Event C1H , Umask 08H
715Number of transitions from AVX-256 to legacy SSE
716when penalty applicable.
717.It Li OTHER_ASSISTS.SSE_TO_AVX
718.Pq Event C1H , Umask 10H
719Number of transitions from SSE to AVX-256 when
720penalty applicable.
721.It Li OTHER_ASSISTS.ANY_WB_ASSIST
722.Pq Event C1H , Umask 40H
723Number of microcode assists invoked by HW upon
724uop writeback.
725.It Li UOPS_RETIRED.ALL
726.Pq Event C2H , Umask 01H
727Counts the number of micro-ops retired, Use
728cmask=1 and invert to count active cycles or stalled
729cycles.
730.It Li UOPS_RETIRED.RETIRE_SLOTS
731.Pq Event C2H , Umask 02H
732Counts the number of retirement slots used each
733cycle.
734.It Li MACHINE_CLEARS.MEMORY_ORDERING
735.Pq Event C3H , Umask 02H
736Counts the number of machine clears due to memory
737order conflicts.
738.It Li MACHINE_CLEARS.SMC
739.Pq Event C3H , Umask 04H
740Number of self-modifying-code machine clears
741detected.
742.It Li MACHINE_CLEARS.MASKMOV
743.Pq Event C3H , Umask 20H
744Counts the number of executed AVX masked load
745operations that refer to an illegal address range with
746the mask bits set to 0.
747.It Li BR_INST_RETIRED.ALL_BRANCHES
748.Pq Event C4H , Umask 00H
749Branch instructions at retirement.
750.It Li BR_INST_RETIRED.CONDITIONAL
751.Pq Event C4H , Umask 01H
752Counts the number of conditional branch instructions Supports PEBS
753retired.
754.It Li BR_INST_RETIRED.NEAR_CALL
755.Pq Event C4H , Umask 02H
756Direct and indirect near call instructions retired.
757.It Li BR_INST_RETIRED.ALL_BRANCHES
758.Pq Event C4H , Umask 04H
759Counts the number of branch instructions retired.
760.It Li BR_INST_RETIRED.NEAR_RETURN
761.Pq Event C4H , Umask 08H
762Counts the number of near return instructions
763retired.
764.It Li BR_INST_RETIRED.NOT_TAKEN
765.Pq Event C4H , Umask 10H
766Counts the number of not taken branch instructions
767retired.
768 It Li BR_INST_RETIRED.NEAR_TAKEN
769.Pq Event C4H , Umask 20H
770Number of near taken branches retired.
771.It Li BR_INST_RETIRED.FAR_BRANCH
772.Pq Event C4H , Umask 40H
773Number of far branches retired.
774.It Li BR_MISP_RETIRED.ALL_BRANCHES
775.Pq Event C5H , Umask 00H
776Mispredicted branch instructions at retirement
777.It Li BR_MISP_RETIRED.CONDITIONAL
778.Pq Event C5H , Umask 01H
779Mispredicted conditional branch instructions retired.
780.It Li BR_MISP_RETIRED.CONDITIONAL
781.Pq Event C5H , Umask 04H
782Mispredicted macro branch instructions retired.
783.It Li FP_ASSIST.X87_OUTPUT
784.Pq Event CAH , Umask 02H
785Number of X87 FP assists due to Output values.
786.It Li FP_ASSIST.X87_INPUT
787.Pq Event CAH , Umask 04H
788Number of X87 FP assists due to input values.
789.It Li FP_ASSIST.SIMD_OUTPUT
790.Pq Event CAH , Umask 08H
791Number of SIMD FP assists due to Output values.
792.It Li FP_ASSIST.SIMD_INPUT
793.Pq Event CAH , Umask 10H
794Number of SIMD FP assists due to input values.
795.It Li FP_ASSIST.ANY
796.Pq Event CAH , Umask 1EH
797Cycles with any input/output SSE* or FP assists.
798.It Li ROB_MISC_EVENTS.LBR_INSERTS
799.Pq Event CCH , Umask 20H
800Count cases of saving new LBR records by hardware.
801.It Li MEM_TRANS_RETIRED.LOAD_LATENCY
802.Pq Event CDH , Umask 01H
803Randomly sampled loads whose latency is above a user defined threshold.
804A small fraction of the overall loads are sampled due to randomization.
805.It Li MEM_UOPS_RETIRED.STLB_MISS_LOADS
806.Pq Event D0H , Umask 11H
807Count retired load uops that missed the STLB.
808.It Li MEM_UOPS_RETIRED.STLB_MISS_STORES
809.Pq Event D0H , Umask 12H
810Count retired store uops that missed the STLB.
811.It Li MEM_UOPS_RETIRED.SPLIT_LOADS
812.Pq Event D0H , Umask 41H
813Count retired load uops that were split across a cache line.
814.It Li MEM_UOPS_RETIRED.SPLIT_STORES
815.Pq Event D0H , Umask 42H
816Count retired store uops that were split across a cache line.
817.It Li MEM_UOPS_RETIRED.ALL_LOADS
818.Pq Event D0H , Umask 81H
819Count all retired load uops.
820.It Li MEM_UOPS_RETIRED.ALL_STORES
821.Pq Event D0H , Umask 82H
822Count all retired store uops.
823.It Li MEM_LOAD_UOPS_RETIRED.L1_HIT
824.Pq Event D1H , Umask 01H
825Retired load uops with L1 cache hits as data sources.
826.It Li MEM_LOAD_UOPS_RETIRED.L2_HIT
827.Pq Event D1H , Umask 02H
828Retired load uops with L2 cache hits as data sources.
829.It Li MEM_LOAD_UOPS_RETIRED.LLC_HIT
830.Pq Event D1H , Umask 04H
831Retired load uops with LLC cache hits as data
832sources.
833.It Li MEM_LOAD_UOPS_RETIRED.L2_MISS
834.Pq Event D1H , Umask 10H
835Retired load uops missed L2.
836Unknown data source excluded.
837.It Li MEM_LOAD_UOPS_RETIRED.HIT_LFB
838.Pq Event D1H , Umask 40H
839Retired load uops which data sources were load uops
840missed L1 but hit FB due to preceding miss to the
841same cache line with data not ready.
842.It Li MEM_LOAD_UOPS_LLC_HIT_RETIRED.XSNP_MISS
843.Pq Event D2H , Umask 01H
844Retired load uops which data sources were LLC hit
845and cross-core snoop missed in on-pkg core cache.
846.It Li MEM_LOAD_UOPS_LLC_HIT_RETIRED.XSNP_HIT
847.Pq Event D2H , Umask 02H
848Retired load uops which data sources were LLC and
849cross-core snoop hits in on-pkg core cache.
850.It Li MEM_LOAD_UOPS_LLC_HIT_RETIRED.XSNP_HITM
851.Pq Event D2H , Umask 04H
852Retired load uops which data sources were HitM
853responses from shared LLC.
854.It Li MEM_LOAD_UOPS_LLC_HIT_RETIRED.XSNP_NONE
855.Pq Event D2H , Umask 08H
856Retired load uops which data sources were hits in
857LLC without snoops required.
858.It Li MEM_LOAD_UOPS_LLC_MISS_RETIRED.LOCAL_DRAM
859.Pq Event D3H , Umask 01H
860Retired load uops which data sources missed LLC but
861serviced from local dram.
862.It Li BACLEARS.ANY
863.Pq Event E6H , Umask 1FH
864Number of front end re-steers due to BPU
865misprediction.
866.It Li L2_TRANS.DEMAND_DATA_RD
867.Pq Event F0H , Umask 01H
868Demand Data Read requests that access L2 cache.
869.It Li L2_TRANS.RFO
870.Pq Event F0H , Umask 02H
871RFO requests that access L2 cache.
872.It Li L2_TRANS.CODE_RD
873.Pq Event F0H , Umask 04H
874L2 cache accesses when fetching instructions.
875.It Li L2_TRANS.ALL_PF
876.Pq Event F0H , Umask 08H
877Any MLC or LLC HW prefetch accessing L2, including
878rejects.
879.It Li L2_TRANS.L1D_WB
880.Pq Event F0H , Umask 10H
881L1D writebacks that access L2 cache.
882.It Li L2_TRANS.L2_FILL
883.Pq Event F0H , Umask 20H
884L2 fill requests that access L2 cache.
885.It Li L2_TRANS.L2_WB
886.Pq Event F0H , Umask 40H
887L2 writebacks that access L2 cache.
888.It Li L2_TRANS.ALL_REQUESTS
889.Pq Event F0H , Umask 80H
890Transactions accessing L2 pipe.
891.It Li L2_LINES_IN.I
892.Pq Event F1H , Umask 01H
893L2 cache lines in I state filling L2.
894.It Li L2_LINES_IN.S
895.Pq Event F1H , Umask 02H
896L2 cache lines in S state filling L2.
897.It Li L2_LINES_IN.E
898.Pq Event F1H , Umask 04H
899L2 cache lines in E state filling L2.
900.It Li L2_LINES_IN.ALL
901.Pq Event F1H , Umask 07H
902L2 cache lines filling L2.
903.It Li L2_LINES_OUT.DEMAND_CLEAN
904.Pq Event F2H , Umask 05H
905Clean L2 cache lines evicted by demand.
906.It Li L2_LINES_OUT.DEMAND_DIRTY
907.Pq Event F2H , Umask 06H
908Dirty L2 cache lines evicted by demand.
909.El
910.Sh SEE ALSO
911.Xr pmc 3 ,
912.Xr pmc.atom 3 ,
913.Xr pmc.core 3 ,
914.Xr pmc.corei7 3 ,
915.Xr pmc.corei7uc 3 ,
916.Xr pmc.haswelluc 3 ,
917.Xr pmc.iaf 3 ,
918.Xr pmc.ivybridge 3 ,
919.Xr pmc.ivybridgexeon 3 ,
920.Xr pmc.k8 3 ,
921.Xr pmc.sandybridge 3 ,
922.Xr pmc.sandybridgeuc 3 ,
923.Xr pmc.sandybridgexeon 3 ,
924.Xr pmc.soft 3 ,
925.Xr pmc.tsc 3 ,
926.Xr pmc.ucf 3 ,
927.Xr pmc.westmere 3 ,
928.Xr pmc.westmereuc 3 ,
929.Xr pmc_cpuinfo 3 ,
930.Xr pmclog 3 ,
931.Xr hwpmc 4
932.Sh HISTORY
933The
934.Nm pmc
935library first appeared in
936.Fx 6.0 .
937.Sh AUTHORS
938.An -nosplit
939The
940.Lb libpmc
941library was written by
942.An Joseph Koshy Aq Mt jkoshy@FreeBSD.org .
943The support for the Haswell
944microarchitecture was written by
945.An Hiren Panchasara Aq Mt hiren.panchasara@gmail.com .
946