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authorIngo Molnar <mingo@elte.hu>2010-03-12 15:06:35 -0500
committerIngo Molnar <mingo@elte.hu>2010-03-12 15:06:37 -0500
commit0308635917273030db6121d67c41ef2279b30340 (patch)
treef65e386905199f7a1060119c53a51eb15c32b8e6 /arch/x86
parent3997d3776a6e89586e76a0ef355bfbbd8a76966c (diff)
parent0b861225a5890f22445f08ca9cc7a87cff276ff7 (diff)
Merge branch 'perf/x86' into perf/core
Merge reason: The new P4 driver is stable and ready now for more testing. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/include/asm/perf_event.h2
-rw-r--r--arch/x86/include/asm/perf_event_p4.h707
-rw-r--r--arch/x86/kernel/cpu/perf_event.c49
-rw-r--r--arch/x86/kernel/cpu/perf_event_amd.c2
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel.c15
-rw-r--r--arch/x86/kernel/cpu/perf_event_p4.c607
-rw-r--r--arch/x86/kernel/cpu/perf_event_p6.c2
7 files changed, 1361 insertions, 23 deletions
diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h
index a9038c951619..124dddd598f3 100644
--- a/arch/x86/include/asm/perf_event.h
+++ b/arch/x86/include/asm/perf_event.h
@@ -5,7 +5,7 @@
5 * Performance event hw details: 5 * Performance event hw details:
6 */ 6 */
7 7
8#define X86_PMC_MAX_GENERIC 8 8#define X86_PMC_MAX_GENERIC 32
9#define X86_PMC_MAX_FIXED 3 9#define X86_PMC_MAX_FIXED 3
10 10
11#define X86_PMC_IDX_GENERIC 0 11#define X86_PMC_IDX_GENERIC 0
diff --git a/arch/x86/include/asm/perf_event_p4.h b/arch/x86/include/asm/perf_event_p4.h
new file mode 100644
index 000000000000..829f4711645f
--- /dev/null
+++ b/arch/x86/include/asm/perf_event_p4.h
@@ -0,0 +1,707 @@
1/*
2 * Netburst Perfomance Events (P4, old Xeon)
3 */
4
5#ifndef PERF_EVENT_P4_H
6#define PERF_EVENT_P4_H
7
8#include <linux/cpu.h>
9#include <linux/bitops.h>
10
11/*
12 * NetBurst has perfomance MSRs shared between
13 * threads if HT is turned on, ie for both logical
14 * processors (mem: in turn in Atom with HT support
15 * perf-MSRs are not shared and every thread has its
16 * own perf-MSRs set)
17 */
18#define ARCH_P4_TOTAL_ESCR (46)
19#define ARCH_P4_RESERVED_ESCR (2) /* IQ_ESCR(0,1) not always present */
20#define ARCH_P4_MAX_ESCR (ARCH_P4_TOTAL_ESCR - ARCH_P4_RESERVED_ESCR)
21#define ARCH_P4_MAX_CCCR (18)
22#define ARCH_P4_MAX_COUNTER (ARCH_P4_MAX_CCCR / 2)
23
24#define P4_EVNTSEL_EVENT_MASK 0x7e000000U
25#define P4_EVNTSEL_EVENT_SHIFT 25
26#define P4_EVNTSEL_EVENTMASK_MASK 0x01fffe00U
27#define P4_EVNTSEL_EVENTMASK_SHIFT 9
28#define P4_EVNTSEL_TAG_MASK 0x000001e0U
29#define P4_EVNTSEL_TAG_SHIFT 5
30#define P4_EVNTSEL_TAG_ENABLE 0x00000010U
31#define P4_EVNTSEL_T0_OS 0x00000008U
32#define P4_EVNTSEL_T0_USR 0x00000004U
33#define P4_EVNTSEL_T1_OS 0x00000002U
34#define P4_EVNTSEL_T1_USR 0x00000001U
35
36/* Non HT mask */
37#define P4_EVNTSEL_MASK \
38 (P4_EVNTSEL_EVENT_MASK | \
39 P4_EVNTSEL_EVENTMASK_MASK | \
40 P4_EVNTSEL_TAG_MASK | \
41 P4_EVNTSEL_TAG_ENABLE | \
42 P4_EVNTSEL_T0_OS | \
43 P4_EVNTSEL_T0_USR)
44
45/* HT mask */
46#define P4_EVNTSEL_MASK_HT \
47 (P4_EVNTSEL_MASK | \
48 P4_EVNTSEL_T1_OS | \
49 P4_EVNTSEL_T1_USR)
50
51#define P4_CCCR_OVF 0x80000000U
52#define P4_CCCR_CASCADE 0x40000000U
53#define P4_CCCR_OVF_PMI_T0 0x04000000U
54#define P4_CCCR_OVF_PMI_T1 0x08000000U
55#define P4_CCCR_FORCE_OVF 0x02000000U
56#define P4_CCCR_EDGE 0x01000000U
57#define P4_CCCR_THRESHOLD_MASK 0x00f00000U
58#define P4_CCCR_THRESHOLD_SHIFT 20
59#define P4_CCCR_THRESHOLD(v) ((v) << P4_CCCR_THRESHOLD_SHIFT)
60#define P4_CCCR_COMPLEMENT 0x00080000U
61#define P4_CCCR_COMPARE 0x00040000U
62#define P4_CCCR_ESCR_SELECT_MASK 0x0000e000U
63#define P4_CCCR_ESCR_SELECT_SHIFT 13
64#define P4_CCCR_ENABLE 0x00001000U
65#define P4_CCCR_THREAD_SINGLE 0x00010000U
66#define P4_CCCR_THREAD_BOTH 0x00020000U
67#define P4_CCCR_THREAD_ANY 0x00030000U
68
69/* Non HT mask */
70#define P4_CCCR_MASK \
71 (P4_CCCR_OVF | \
72 P4_CCCR_CASCADE | \
73 P4_CCCR_OVF_PMI_T0 | \
74 P4_CCCR_FORCE_OVF | \
75 P4_CCCR_EDGE | \
76 P4_CCCR_THRESHOLD_MASK | \
77 P4_CCCR_COMPLEMENT | \
78 P4_CCCR_COMPARE | \
79 P4_CCCR_ESCR_SELECT_MASK | \
80 P4_CCCR_ENABLE)
81
82/* HT mask */
83#define P4_CCCR_MASK_HT \
84 (P4_CCCR_MASK | \
85 P4_CCCR_THREAD_ANY)
86
87/*
88 * format is 32 bit: ee ss aa aa
89 * where
90 * ee - 8 bit event
91 * ss - 8 bit selector
92 * aa aa - 16 bits reserved for tags/attributes
93 */
94#define P4_EVENT_PACK(event, selector) (((event) << 24) | ((selector) << 16))
95#define P4_EVENT_UNPACK_EVENT(packed) (((packed) >> 24) & 0xff)
96#define P4_EVENT_UNPACK_SELECTOR(packed) (((packed) >> 16) & 0xff)
97#define P4_EVENT_PACK_ATTR(attr) ((attr))
98#define P4_EVENT_UNPACK_ATTR(packed) ((packed) & 0xffff)
99#define P4_MAKE_EVENT_ATTR(class, name, bit) class##_##name = (1 << bit)
100#define P4_EVENT_ATTR(class, name) class##_##name
101#define P4_EVENT_ATTR_STR(class, name) __stringify(class##_##name)
102
103/*
104 * config field is 64bit width and consists of
105 * HT << 63 | ESCR << 32 | CCCR
106 * where HT is HyperThreading bit (since ESCR
107 * has it reserved we may use it for own purpose)
108 *
109 * note that this is NOT the addresses of respective
110 * ESCR and CCCR but rather an only packed value should
111 * be unpacked and written to a proper addresses
112 *
113 * the base idea is to pack as much info as
114 * possible
115 */
116#define p4_config_pack_escr(v) (((u64)(v)) << 32)
117#define p4_config_pack_cccr(v) (((u64)(v)) & 0xffffffffULL)
118#define p4_config_unpack_escr(v) (((u64)(v)) >> 32)
119#define p4_config_unpack_cccr(v) (((u64)(v)) & 0xffffffffULL)
120
121#define p4_config_unpack_emask(v) \
122 ({ \
123 u32 t = p4_config_unpack_escr((v)); \
124 t &= P4_EVNTSEL_EVENTMASK_MASK; \
125 t >>= P4_EVNTSEL_EVENTMASK_SHIFT; \
126 t; \
127 })
128
129#define P4_CONFIG_HT_SHIFT 63
130#define P4_CONFIG_HT (1ULL << P4_CONFIG_HT_SHIFT)
131
132static inline u32 p4_config_unpack_opcode(u64 config)
133{
134 u32 e, s;
135
136 /*
137 * we don't care about HT presence here since
138 * event opcode doesn't depend on it
139 */
140 e = (p4_config_unpack_escr(config) & P4_EVNTSEL_EVENT_MASK) >> P4_EVNTSEL_EVENT_SHIFT;
141 s = (p4_config_unpack_cccr(config) & P4_CCCR_ESCR_SELECT_MASK) >> P4_CCCR_ESCR_SELECT_SHIFT;
142
143 return P4_EVENT_PACK(e, s);
144}
145
146static inline bool p4_is_event_cascaded(u64 config)
147{
148 u32 cccr = p4_config_unpack_cccr(config);
149 return !!(cccr & P4_CCCR_CASCADE);
150}
151
152static inline int p4_ht_config_thread(u64 config)
153{
154 return !!(config & P4_CONFIG_HT);
155}
156
157static inline u64 p4_set_ht_bit(u64 config)
158{
159 return config | P4_CONFIG_HT;
160}
161
162static inline u64 p4_clear_ht_bit(u64 config)
163{
164 return config & ~P4_CONFIG_HT;
165}
166
167static inline int p4_ht_active(void)
168{
169#ifdef CONFIG_SMP
170 return smp_num_siblings > 1;
171#endif
172 return 0;
173}
174
175static inline int p4_ht_thread(int cpu)
176{
177#ifdef CONFIG_SMP
178 if (smp_num_siblings == 2)
179 return cpu != cpumask_first(__get_cpu_var(cpu_sibling_map));
180#endif
181 return 0;
182}
183
184static inline int p4_should_swap_ts(u64 config, int cpu)
185{
186 return p4_ht_config_thread(config) ^ p4_ht_thread(cpu);
187}
188
189static inline u32 p4_default_cccr_conf(int cpu)
190{
191 /*
192 * Note that P4_CCCR_THREAD_ANY is "required" on
193 * non-HT machines (on HT machines we count TS events
194 * regardless the state of second logical processor
195 */
196 u32 cccr = P4_CCCR_THREAD_ANY;
197
198 if (!p4_ht_thread(cpu))
199 cccr |= P4_CCCR_OVF_PMI_T0;
200 else
201 cccr |= P4_CCCR_OVF_PMI_T1;
202
203 return cccr;
204}
205
206static inline u32 p4_default_escr_conf(int cpu, int exclude_os, int exclude_usr)
207{
208 u32 escr = 0;
209
210 if (!p4_ht_thread(cpu)) {
211 if (!exclude_os)
212 escr |= P4_EVNTSEL_T0_OS;
213 if (!exclude_usr)
214 escr |= P4_EVNTSEL_T0_USR;
215 } else {
216 if (!exclude_os)
217 escr |= P4_EVNTSEL_T1_OS;
218 if (!exclude_usr)
219 escr |= P4_EVNTSEL_T1_USR;
220 }
221
222 return escr;
223}
224
225/*
226 * Comments below the event represent ESCR restriction
227 * for this event and counter index per ESCR
228 *
229 * MSR_P4_IQ_ESCR0 and MSR_P4_IQ_ESCR1 are available only on early
230 * processor builds (family 0FH, models 01H-02H). These MSRs
231 * are not available on later versions, so that we don't use
232 * them completely
233 *
234 * Also note that CCCR1 do not have P4_CCCR_ENABLE bit properly
235 * working so that we should not use this CCCR and respective
236 * counter as result
237 */
238#define P4_TC_DELIVER_MODE P4_EVENT_PACK(0x01, 0x01)
239 /*
240 * MSR_P4_TC_ESCR0: 4, 5
241 * MSR_P4_TC_ESCR1: 6, 7
242 */
243
244#define P4_BPU_FETCH_REQUEST P4_EVENT_PACK(0x03, 0x00)
245 /*
246 * MSR_P4_BPU_ESCR0: 0, 1
247 * MSR_P4_BPU_ESCR1: 2, 3
248 */
249
250#define P4_ITLB_REFERENCE P4_EVENT_PACK(0x18, 0x03)
251 /*
252 * MSR_P4_ITLB_ESCR0: 0, 1
253 * MSR_P4_ITLB_ESCR1: 2, 3
254 */
255
256#define P4_MEMORY_CANCEL P4_EVENT_PACK(0x02, 0x05)
257 /*
258 * MSR_P4_DAC_ESCR0: 8, 9
259 * MSR_P4_DAC_ESCR1: 10, 11
260 */
261
262#define P4_MEMORY_COMPLETE P4_EVENT_PACK(0x08, 0x02)
263 /*
264 * MSR_P4_SAAT_ESCR0: 8, 9
265 * MSR_P4_SAAT_ESCR1: 10, 11
266 */
267
268#define P4_LOAD_PORT_REPLAY P4_EVENT_PACK(0x04, 0x02)
269 /*
270 * MSR_P4_SAAT_ESCR0: 8, 9
271 * MSR_P4_SAAT_ESCR1: 10, 11
272 */
273
274#define P4_STORE_PORT_REPLAY P4_EVENT_PACK(0x05, 0x02)
275 /*
276 * MSR_P4_SAAT_ESCR0: 8, 9
277 * MSR_P4_SAAT_ESCR1: 10, 11
278 */
279
280#define P4_MOB_LOAD_REPLAY P4_EVENT_PACK(0x03, 0x02)
281 /*
282 * MSR_P4_MOB_ESCR0: 0, 1
283 * MSR_P4_MOB_ESCR1: 2, 3
284 */
285
286#define P4_PAGE_WALK_TYPE P4_EVENT_PACK(0x01, 0x04)
287 /*
288 * MSR_P4_PMH_ESCR0: 0, 1
289 * MSR_P4_PMH_ESCR1: 2, 3
290 */
291
292#define P4_BSQ_CACHE_REFERENCE P4_EVENT_PACK(0x0c, 0x07)
293 /*
294 * MSR_P4_BSU_ESCR0: 0, 1
295 * MSR_P4_BSU_ESCR1: 2, 3
296 */
297
298#define P4_IOQ_ALLOCATION P4_EVENT_PACK(0x03, 0x06)
299 /*
300 * MSR_P4_FSB_ESCR0: 0, 1
301 * MSR_P4_FSB_ESCR1: 2, 3
302 */
303
304#define P4_IOQ_ACTIVE_ENTRIES P4_EVENT_PACK(0x1a, 0x06)
305 /*
306 * MSR_P4_FSB_ESCR1: 2, 3
307 */
308
309#define P4_FSB_DATA_ACTIVITY P4_EVENT_PACK(0x17, 0x06)
310 /*
311 * MSR_P4_FSB_ESCR0: 0, 1
312 * MSR_P4_FSB_ESCR1: 2, 3
313 */
314
315#define P4_BSQ_ALLOCATION P4_EVENT_PACK(0x05, 0x07)
316 /*
317 * MSR_P4_BSU_ESCR0: 0, 1
318 */
319
320#define P4_BSQ_ACTIVE_ENTRIES P4_EVENT_PACK(0x06, 0x07)
321 /*
322 * MSR_P4_BSU_ESCR1: 2, 3
323 */
324
325#define P4_SSE_INPUT_ASSIST P4_EVENT_PACK(0x34, 0x01)
326 /*
327 * MSR_P4_FIRM_ESCR: 8, 9
328 * MSR_P4_FIRM_ESCR: 10, 11
329 */
330
331#define P4_PACKED_SP_UOP P4_EVENT_PACK(0x08, 0x01)
332 /*
333 * MSR_P4_FIRM_ESCR0: 8, 9
334 * MSR_P4_FIRM_ESCR1: 10, 11
335 */
336
337#define P4_PACKED_DP_UOP P4_EVENT_PACK(0x0c, 0x01)
338 /*
339 * MSR_P4_FIRM_ESCR0: 8, 9
340 * MSR_P4_FIRM_ESCR1: 10, 11
341 */
342
343#define P4_SCALAR_SP_UOP P4_EVENT_PACK(0x0a, 0x01)
344 /*
345 * MSR_P4_FIRM_ESCR0: 8, 9
346 * MSR_P4_FIRM_ESCR1: 10, 11
347 */
348
349#define P4_SCALAR_DP_UOP P4_EVENT_PACK(0x0e, 0x01)
350 /*
351 * MSR_P4_FIRM_ESCR0: 8, 9
352 * MSR_P4_FIRM_ESCR1: 10, 11
353 */
354
355#define P4_64BIT_MMX_UOP P4_EVENT_PACK(0x02, 0x01)
356 /*
357 * MSR_P4_FIRM_ESCR0: 8, 9
358 * MSR_P4_FIRM_ESCR1: 10, 11
359 */
360
361#define P4_128BIT_MMX_UOP P4_EVENT_PACK(0x1a, 0x01)
362 /*
363 * MSR_P4_FIRM_ESCR0: 8, 9
364 * MSR_P4_FIRM_ESCR1: 10, 11
365 */
366
367#define P4_X87_FP_UOP P4_EVENT_PACK(0x04, 0x01)
368 /*
369 * MSR_P4_FIRM_ESCR0: 8, 9
370 * MSR_P4_FIRM_ESCR1: 10, 11
371 */
372
373#define P4_TC_MISC P4_EVENT_PACK(0x06, 0x01)
374 /*
375 * MSR_P4_TC_ESCR0: 4, 5
376 * MSR_P4_TC_ESCR1: 6, 7
377 */
378
379#define P4_GLOBAL_POWER_EVENTS P4_EVENT_PACK(0x13, 0x06)
380 /*
381 * MSR_P4_FSB_ESCR0: 0, 1
382 * MSR_P4_FSB_ESCR1: 2, 3
383 */
384
385#define P4_TC_MS_XFER P4_EVENT_PACK(0x05, 0x00)
386 /*
387 * MSR_P4_MS_ESCR0: 4, 5
388 * MSR_P4_MS_ESCR1: 6, 7
389 */
390
391#define P4_UOP_QUEUE_WRITES P4_EVENT_PACK(0x09, 0x00)
392 /*
393 * MSR_P4_MS_ESCR0: 4, 5
394 * MSR_P4_MS_ESCR1: 6, 7
395 */
396
397#define P4_RETIRED_MISPRED_BRANCH_TYPE P4_EVENT_PACK(0x05, 0x02)
398 /*
399 * MSR_P4_TBPU_ESCR0: 4, 5
400 * MSR_P4_TBPU_ESCR0: 6, 7
401 */
402
403#define P4_RETIRED_BRANCH_TYPE P4_EVENT_PACK(0x04, 0x02)
404 /*
405 * MSR_P4_TBPU_ESCR0: 4, 5
406 * MSR_P4_TBPU_ESCR0: 6, 7
407 */
408
409#define P4_RESOURCE_STALL P4_EVENT_PACK(0x01, 0x01)
410 /*
411 * MSR_P4_ALF_ESCR0: 12, 13, 16
412 * MSR_P4_ALF_ESCR1: 14, 15, 17
413 */
414
415#define P4_WC_BUFFER P4_EVENT_PACK(0x05, 0x05)
416 /*
417 * MSR_P4_DAC_ESCR0: 8, 9
418 * MSR_P4_DAC_ESCR1: 10, 11
419 */
420
421#define P4_B2B_CYCLES P4_EVENT_PACK(0x16, 0x03)
422 /*
423 * MSR_P4_FSB_ESCR0: 0, 1
424 * MSR_P4_FSB_ESCR1: 2, 3
425 */
426
427#define P4_BNR P4_EVENT_PACK(0x08, 0x03)
428 /*
429 * MSR_P4_FSB_ESCR0: 0, 1
430 * MSR_P4_FSB_ESCR1: 2, 3
431 */
432
433#define P4_SNOOP P4_EVENT_PACK(0x06, 0x03)
434 /*
435 * MSR_P4_FSB_ESCR0: 0, 1
436 * MSR_P4_FSB_ESCR1: 2, 3
437 */
438
439#define P4_RESPONSE P4_EVENT_PACK(0x04, 0x03)
440 /*
441 * MSR_P4_FSB_ESCR0: 0, 1
442 * MSR_P4_FSB_ESCR1: 2, 3
443 */
444
445#define P4_FRONT_END_EVENT P4_EVENT_PACK(0x08, 0x05)
446 /*
447 * MSR_P4_CRU_ESCR2: 12, 13, 16
448 * MSR_P4_CRU_ESCR3: 14, 15, 17
449 */
450
451#define P4_EXECUTION_EVENT P4_EVENT_PACK(0x0c, 0x05)
452 /*
453 * MSR_P4_CRU_ESCR2: 12, 13, 16
454 * MSR_P4_CRU_ESCR3: 14, 15, 17
455 */
456
457#define P4_REPLAY_EVENT P4_EVENT_PACK(0x09, 0x05)
458 /*
459 * MSR_P4_CRU_ESCR2: 12, 13, 16
460 * MSR_P4_CRU_ESCR3: 14, 15, 17
461 */
462
463#define P4_INSTR_RETIRED P4_EVENT_PACK(0x02, 0x04)
464 /*
465 * MSR_P4_CRU_ESCR2: 12, 13, 16
466 * MSR_P4_CRU_ESCR3: 14, 15, 17
467 */
468
469#define P4_UOPS_RETIRED P4_EVENT_PACK(0x01, 0x04)
470 /*
471 * MSR_P4_CRU_ESCR2: 12, 13, 16
472 * MSR_P4_CRU_ESCR3: 14, 15, 17
473 */
474
475#define P4_UOP_TYPE P4_EVENT_PACK(0x02, 0x02)
476 /*
477 * MSR_P4_RAT_ESCR0: 12, 13, 16
478 * MSR_P4_RAT_ESCR1: 14, 15, 17
479 */
480
481#define P4_BRANCH_RETIRED P4_EVENT_PACK(0x06, 0x05)
482 /*
483 * MSR_P4_CRU_ESCR2: 12, 13, 16
484 * MSR_P4_CRU_ESCR3: 14, 15, 17
485 */
486
487#define P4_MISPRED_BRANCH_RETIRED P4_EVENT_PACK(0x03, 0x04)
488 /*
489 * MSR_P4_CRU_ESCR0: 12, 13, 16
490 * MSR_P4_CRU_ESCR1: 14, 15, 17
491 */
492
493#define P4_X87_ASSIST P4_EVENT_PACK(0x03, 0x05)
494 /*
495 * MSR_P4_CRU_ESCR2: 12, 13, 16
496 * MSR_P4_CRU_ESCR3: 14, 15, 17
497 */
498
499#define P4_MACHINE_CLEAR P4_EVENT_PACK(0x02, 0x05)
500 /*
501 * MSR_P4_CRU_ESCR2: 12, 13, 16
502 * MSR_P4_CRU_ESCR3: 14, 15, 17
503 */
504
505#define P4_INSTR_COMPLETED P4_EVENT_PACK(0x07, 0x04)
506 /*
507 * MSR_P4_CRU_ESCR0: 12, 13, 16
508 * MSR_P4_CRU_ESCR1: 14, 15, 17
509 */
510
511/*
512 * a caller should use P4_EVENT_ATTR helper to
513 * pick the attribute needed, for example
514 *
515 * P4_EVENT_ATTR(P4_TC_DELIVER_MODE, DD)
516 */
517enum P4_EVENTS_ATTR {
518 P4_MAKE_EVENT_ATTR(P4_TC_DELIVER_MODE, DD, 0),
519 P4_MAKE_EVENT_ATTR(P4_TC_DELIVER_MODE, DB, 1),
520 P4_MAKE_EVENT_ATTR(P4_TC_DELIVER_MODE, DI, 2),
521 P4_MAKE_EVENT_ATTR(P4_TC_DELIVER_MODE, BD, 3),
522 P4_MAKE_EVENT_ATTR(P4_TC_DELIVER_MODE, BB, 4),
523 P4_MAKE_EVENT_ATTR(P4_TC_DELIVER_MODE, BI, 5),
524 P4_MAKE_EVENT_ATTR(P4_TC_DELIVER_MODE, ID, 6),
525
526 P4_MAKE_EVENT_ATTR(P4_BPU_FETCH_REQUEST, TCMISS, 0),
527
528 P4_MAKE_EVENT_ATTR(P4_ITLB_REFERENCE, HIT, 0),
529 P4_MAKE_EVENT_ATTR(P4_ITLB_REFERENCE, MISS, 1),
530 P4_MAKE_EVENT_ATTR(P4_ITLB_REFERENCE, HIT_UK, 2),
531
532 P4_MAKE_EVENT_ATTR(P4_MEMORY_CANCEL, ST_RB_FULL, 2),
533 P4_MAKE_EVENT_ATTR(P4_MEMORY_CANCEL, 64K_CONF, 3),
534
535 P4_MAKE_EVENT_ATTR(P4_MEMORY_COMPLETE, LSC, 0),
536 P4_MAKE_EVENT_ATTR(P4_MEMORY_COMPLETE, SSC, 1),
537
538 P4_MAKE_EVENT_ATTR(P4_LOAD_PORT_REPLAY, SPLIT_LD, 1),
539
540 P4_MAKE_EVENT_ATTR(P4_STORE_PORT_REPLAY, SPLIT_ST, 1),
541
542 P4_MAKE_EVENT_ATTR(P4_MOB_LOAD_REPLAY, NO_STA, 1),
543 P4_MAKE_EVENT_ATTR(P4_MOB_LOAD_REPLAY, NO_STD, 3),
544 P4_MAKE_EVENT_ATTR(P4_MOB_LOAD_REPLAY, PARTIAL_DATA, 4),
545 P4_MAKE_EVENT_ATTR(P4_MOB_LOAD_REPLAY, UNALGN_ADDR, 5),
546
547 P4_MAKE_EVENT_ATTR(P4_PAGE_WALK_TYPE, DTMISS, 0),
548 P4_MAKE_EVENT_ATTR(P4_PAGE_WALK_TYPE, ITMISS, 1),
549
550 P4_MAKE_EVENT_ATTR(P4_BSQ_CACHE_REFERENCE, RD_2ndL_HITS, 0),
551 P4_MAKE_EVENT_ATTR(P4_BSQ_CACHE_REFERENCE, RD_2ndL_HITE, 1),
552 P4_MAKE_EVENT_ATTR(P4_BSQ_CACHE_REFERENCE, RD_2ndL_HITM, 2),
553 P4_MAKE_EVENT_ATTR(P4_BSQ_CACHE_REFERENCE, RD_3rdL_HITS, 3),
554 P4_MAKE_EVENT_ATTR(P4_BSQ_CACHE_REFERENCE, RD_3rdL_HITE, 4),
555 P4_MAKE_EVENT_ATTR(P4_BSQ_CACHE_REFERENCE, RD_3rdL_HITM, 5),
556 P4_MAKE_EVENT_ATTR(P4_BSQ_CACHE_REFERENCE, RD_2ndL_MISS, 8),
557 P4_MAKE_EVENT_ATTR(P4_BSQ_CACHE_REFERENCE, RD_3rdL_MISS, 9),
558 P4_MAKE_EVENT_ATTR(P4_BSQ_CACHE_REFERENCE, WR_2ndL_MISS, 10),
559
560 P4_MAKE_EVENT_ATTR(P4_IOQ_ALLOCATION, DEFAULT, 0),
561 P4_MAKE_EVENT_ATTR(P4_IOQ_ALLOCATION, ALL_READ, 5),
562 P4_MAKE_EVENT_ATTR(P4_IOQ_ALLOCATION, ALL_WRITE, 6),
563 P4_MAKE_EVENT_ATTR(P4_IOQ_ALLOCATION, MEM_UC, 7),
564 P4_MAKE_EVENT_ATTR(P4_IOQ_ALLOCATION, MEM_WC, 8),
565 P4_MAKE_EVENT_ATTR(P4_IOQ_ALLOCATION, MEM_WT, 9),
566 P4_MAKE_EVENT_ATTR(P4_IOQ_ALLOCATION, MEM_WP, 10),
567 P4_MAKE_EVENT_ATTR(P4_IOQ_ALLOCATION, MEM_WB, 11),
568 P4_MAKE_EVENT_ATTR(P4_IOQ_ALLOCATION, OWN, 13),
569 P4_MAKE_EVENT_ATTR(P4_IOQ_ALLOCATION, OTHER, 14),
570 P4_MAKE_EVENT_ATTR(P4_IOQ_ALLOCATION, PREFETCH, 15),
571
572 P4_MAKE_EVENT_ATTR(P4_IOQ_ACTIVE_ENTRIES, DEFAULT, 0),
573 P4_MAKE_EVENT_ATTR(P4_IOQ_ACTIVE_ENTRIES, ALL_READ, 5),
574 P4_MAKE_EVENT_ATTR(P4_IOQ_ACTIVE_ENTRIES, ALL_WRITE, 6),
575 P4_MAKE_EVENT_ATTR(P4_IOQ_ACTIVE_ENTRIES, MEM_UC, 7),
576 P4_MAKE_EVENT_ATTR(P4_IOQ_ACTIVE_ENTRIES, MEM_WC, 8),
577 P4_MAKE_EVENT_ATTR(P4_IOQ_ACTIVE_ENTRIES, MEM_WT, 9),
578 P4_MAKE_EVENT_ATTR(P4_IOQ_ACTIVE_ENTRIES, MEM_WP, 10),
579 P4_MAKE_EVENT_ATTR(P4_IOQ_ACTIVE_ENTRIES, MEM_WB, 11),
580 P4_MAKE_EVENT_ATTR(P4_IOQ_ACTIVE_ENTRIES, OWN, 13),
581 P4_MAKE_EVENT_ATTR(P4_IOQ_ACTIVE_ENTRIES, OTHER, 14),
582 P4_MAKE_EVENT_ATTR(P4_IOQ_ACTIVE_ENTRIES, PREFETCH, 15),
583
584 P4_MAKE_EVENT_ATTR(P4_FSB_DATA_ACTIVITY, DRDY_DRV, 0),
585 P4_MAKE_EVENT_ATTR(P4_FSB_DATA_ACTIVITY, DRDY_OWN, 1),
586 P4_MAKE_EVENT_ATTR(P4_FSB_DATA_ACTIVITY, DRDY_OTHER, 2),
587 P4_MAKE_EVENT_ATTR(P4_FSB_DATA_ACTIVITY, DBSY_DRV, 3),
588 P4_MAKE_EVENT_ATTR(P4_FSB_DATA_ACTIVITY, DBSY_OWN, 4),
589 P4_MAKE_EVENT_ATTR(P4_FSB_DATA_ACTIVITY, DBSY_OTHER, 5),
590
591 P4_MAKE_EVENT_ATTR(P4_BSQ_ALLOCATION, REQ_TYPE0, 0),
592 P4_MAKE_EVENT_ATTR(P4_BSQ_ALLOCATION, REQ_TYPE1, 1),
593 P4_MAKE_EVENT_ATTR(P4_BSQ_ALLOCATION, REQ_LEN0, 2),
594 P4_MAKE_EVENT_ATTR(P4_BSQ_ALLOCATION, REQ_LEN1, 3),
595 P4_MAKE_EVENT_ATTR(P4_BSQ_ALLOCATION, REQ_IO_TYPE, 5),
596 P4_MAKE_EVENT_ATTR(P4_BSQ_ALLOCATION, REQ_LOCK_TYPE, 6),
597 P4_MAKE_EVENT_ATTR(P4_BSQ_ALLOCATION, REQ_CACHE_TYPE, 7),
598 P4_MAKE_EVENT_ATTR(P4_BSQ_ALLOCATION, REQ_SPLIT_TYPE, 8),
599 P4_MAKE_EVENT_ATTR(P4_BSQ_ALLOCATION, REQ_DEM_TYPE, 9),
600 P4_MAKE_EVENT_ATTR(P4_BSQ_ALLOCATION, REQ_ORD_TYPE, 10),
601 P4_MAKE_EVENT_ATTR(P4_BSQ_ALLOCATION, MEM_TYPE0, 11),
602 P4_MAKE_EVENT_ATTR(P4_BSQ_ALLOCATION, MEM_TYPE1, 12),
603 P4_MAKE_EVENT_ATTR(P4_BSQ_ALLOCATION, MEM_TYPE2, 13),
604
605 P4_MAKE_EVENT_ATTR(P4_BSQ_ACTIVE_ENTRIES, REQ_TYPE0, 0),
606 P4_MAKE_EVENT_ATTR(P4_BSQ_ACTIVE_ENTRIES, REQ_TYPE1, 1),
607 P4_MAKE_EVENT_ATTR(P4_BSQ_ACTIVE_ENTRIES, REQ_LEN0, 2),
608 P4_MAKE_EVENT_ATTR(P4_BSQ_ACTIVE_ENTRIES, REQ_LEN1, 3),
609 P4_MAKE_EVENT_ATTR(P4_BSQ_ACTIVE_ENTRIES, REQ_IO_TYPE, 5),
610 P4_MAKE_EVENT_ATTR(P4_BSQ_ACTIVE_ENTRIES, REQ_LOCK_TYPE, 6),
611 P4_MAKE_EVENT_ATTR(P4_BSQ_ACTIVE_ENTRIES, REQ_CACHE_TYPE, 7),
612 P4_MAKE_EVENT_ATTR(P4_BSQ_ACTIVE_ENTRIES, REQ_SPLIT_TYPE, 8),
613 P4_MAKE_EVENT_ATTR(P4_BSQ_ACTIVE_ENTRIES, REQ_DEM_TYPE, 9),
614 P4_MAKE_EVENT_ATTR(P4_BSQ_ACTIVE_ENTRIES, REQ_ORD_TYPE, 10),
615 P4_MAKE_EVENT_ATTR(P4_BSQ_ACTIVE_ENTRIES, MEM_TYPE0, 11),
616 P4_MAKE_EVENT_ATTR(P4_BSQ_ACTIVE_ENTRIES, MEM_TYPE1, 12),
617 P4_MAKE_EVENT_ATTR(P4_BSQ_ACTIVE_ENTRIES, MEM_TYPE2, 13),
618
619 P4_MAKE_EVENT_ATTR(P4_SSE_INPUT_ASSIST, ALL, 15),
620
621 P4_MAKE_EVENT_ATTR(P4_PACKED_SP_UOP, ALL, 15),
622
623 P4_MAKE_EVENT_ATTR(P4_PACKED_DP_UOP, ALL, 15),
624
625 P4_MAKE_EVENT_ATTR(P4_SCALAR_SP_UOP, ALL, 15),
626
627 P4_MAKE_EVENT_ATTR(P4_SCALAR_DP_UOP, ALL, 15),
628
629 P4_MAKE_EVENT_ATTR(P4_64BIT_MMX_UOP, ALL, 15),
630
631 P4_MAKE_EVENT_ATTR(P4_128BIT_MMX_UOP, ALL, 15),
632
633 P4_MAKE_EVENT_ATTR(P4_X87_FP_UOP, ALL, 15),
634
635 P4_MAKE_EVENT_ATTR(P4_TC_MISC, FLUSH, 4),
636
637 P4_MAKE_EVENT_ATTR(P4_GLOBAL_POWER_EVENTS, RUNNING, 0),
638
639 P4_MAKE_EVENT_ATTR(P4_TC_MS_XFER, CISC, 0),
640
641 P4_MAKE_EVENT_ATTR(P4_UOP_QUEUE_WRITES, FROM_TC_BUILD, 0),
642 P4_MAKE_EVENT_ATTR(P4_UOP_QUEUE_WRITES, FROM_TC_DELIVER, 1),
643 P4_MAKE_EVENT_ATTR(P4_UOP_QUEUE_WRITES, FROM_ROM, 2),
644
645 P4_MAKE_EVENT_ATTR(P4_RETIRED_MISPRED_BRANCH_TYPE, CONDITIONAL, 1),
646 P4_MAKE_EVENT_ATTR(P4_RETIRED_MISPRED_BRANCH_TYPE, CALL, 2),
647 P4_MAKE_EVENT_ATTR(P4_RETIRED_MISPRED_BRANCH_TYPE, RETURN, 3),
648 P4_MAKE_EVENT_ATTR(P4_RETIRED_MISPRED_BRANCH_TYPE, INDIRECT, 4),
649
650 P4_MAKE_EVENT_ATTR(P4_RETIRED_BRANCH_TYPE, CONDITIONAL, 1),
651 P4_MAKE_EVENT_ATTR(P4_RETIRED_BRANCH_TYPE, CALL, 2),
652 P4_MAKE_EVENT_ATTR(P4_RETIRED_BRANCH_TYPE, RETURN, 3),
653 P4_MAKE_EVENT_ATTR(P4_RETIRED_BRANCH_TYPE, INDIRECT, 4),
654
655 P4_MAKE_EVENT_ATTR(P4_RESOURCE_STALL, SBFULL, 5),
656
657 P4_MAKE_EVENT_ATTR(P4_WC_BUFFER, WCB_EVICTS, 0),
658 P4_MAKE_EVENT_ATTR(P4_WC_BUFFER, WCB_FULL_EVICTS, 1),
659
660 P4_MAKE_EVENT_ATTR(P4_FRONT_END_EVENT, NBOGUS, 0),
661 P4_MAKE_EVENT_ATTR(P4_FRONT_END_EVENT, BOGUS, 1),
662
663 P4_MAKE_EVENT_ATTR(P4_EXECUTION_EVENT, NBOGUS0, 0),
664 P4_MAKE_EVENT_ATTR(P4_EXECUTION_EVENT, NBOGUS1, 1),
665 P4_MAKE_EVENT_ATTR(P4_EXECUTION_EVENT, NBOGUS2, 2),
666 P4_MAKE_EVENT_ATTR(P4_EXECUTION_EVENT, NBOGUS3, 3),
667 P4_MAKE_EVENT_ATTR(P4_EXECUTION_EVENT, BOGUS0, 4),
668 P4_MAKE_EVENT_ATTR(P4_EXECUTION_EVENT, BOGUS1, 5),
669 P4_MAKE_EVENT_ATTR(P4_EXECUTION_EVENT, BOGUS2, 6),
670 P4_MAKE_EVENT_ATTR(P4_EXECUTION_EVENT, BOGUS3, 7),
671
672 P4_MAKE_EVENT_ATTR(P4_REPLAY_EVENT, NBOGUS, 0),
673 P4_MAKE_EVENT_ATTR(P4_REPLAY_EVENT, BOGUS, 1),
674
675 P4_MAKE_EVENT_ATTR(P4_INSTR_RETIRED, NBOGUSNTAG, 0),
676 P4_MAKE_EVENT_ATTR(P4_INSTR_RETIRED, NBOGUSTAG, 1),
677 P4_MAKE_EVENT_ATTR(P4_INSTR_RETIRED, BOGUSNTAG, 2),
678 P4_MAKE_EVENT_ATTR(P4_INSTR_RETIRED, BOGUSTAG, 3),
679
680 P4_MAKE_EVENT_ATTR(P4_UOPS_RETIRED, NBOGUS, 0),
681 P4_MAKE_EVENT_ATTR(P4_UOPS_RETIRED, BOGUS, 1),
682
683 P4_MAKE_EVENT_ATTR(P4_UOP_TYPE, TAGLOADS, 1),
684 P4_MAKE_EVENT_ATTR(P4_UOP_TYPE, TAGSTORES, 2),
685
686 P4_MAKE_EVENT_ATTR(P4_BRANCH_RETIRED, MMNP, 0),
687 P4_MAKE_EVENT_ATTR(P4_BRANCH_RETIRED, MMNM, 1),
688 P4_MAKE_EVENT_ATTR(P4_BRANCH_RETIRED, MMTP, 2),
689 P4_MAKE_EVENT_ATTR(P4_BRANCH_RETIRED, MMTM, 3),
690
691 P4_MAKE_EVENT_ATTR(P4_MISPRED_BRANCH_RETIRED, NBOGUS, 0),
692
693 P4_MAKE_EVENT_ATTR(P4_X87_ASSIST, FPSU, 0),
694 P4_MAKE_EVENT_ATTR(P4_X87_ASSIST, FPSO, 1),
695 P4_MAKE_EVENT_ATTR(P4_X87_ASSIST, POAO, 2),
696 P4_MAKE_EVENT_ATTR(P4_X87_ASSIST, POAU, 3),
697 P4_MAKE_EVENT_ATTR(P4_X87_ASSIST, PREA, 4),
698
699 P4_MAKE_EVENT_ATTR(P4_MACHINE_CLEAR, CLEAR, 0),
700 P4_MAKE_EVENT_ATTR(P4_MACHINE_CLEAR, MOCLEAR, 1),
701 P4_MAKE_EVENT_ATTR(P4_MACHINE_CLEAR, SMCLEAR, 2),
702
703 P4_MAKE_EVENT_ATTR(P4_INSTR_COMPLETED, NBOGUS, 0),
704 P4_MAKE_EVENT_ATTR(P4_INSTR_COMPLETED, BOGUS, 1),
705};
706
707#endif /* PERF_EVENT_P4_H */
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index a6d92c34135c..978d297170a1 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -190,6 +190,8 @@ struct x86_pmu {
190 void (*enable_all)(void); 190 void (*enable_all)(void);
191 void (*enable)(struct perf_event *); 191 void (*enable)(struct perf_event *);
192 void (*disable)(struct perf_event *); 192 void (*disable)(struct perf_event *);
193 int (*hw_config)(struct perf_event_attr *attr, struct hw_perf_event *hwc);
194 int (*schedule_events)(struct cpu_hw_events *cpuc, int n, int *assign);
193 unsigned eventsel; 195 unsigned eventsel;
194 unsigned perfctr; 196 unsigned perfctr;
195 u64 (*event_map)(int); 197 u64 (*event_map)(int);
@@ -415,6 +417,25 @@ set_ext_hw_attr(struct hw_perf_event *hwc, struct perf_event_attr *attr)
415 return 0; 417 return 0;
416} 418}
417 419
420static int x86_hw_config(struct perf_event_attr *attr, struct hw_perf_event *hwc)
421{
422 /*
423 * Generate PMC IRQs:
424 * (keep 'enabled' bit clear for now)
425 */
426 hwc->config = ARCH_PERFMON_EVENTSEL_INT;
427
428 /*
429 * Count user and OS events unless requested not to
430 */
431 if (!attr->exclude_user)
432 hwc->config |= ARCH_PERFMON_EVENTSEL_USR;
433 if (!attr->exclude_kernel)
434 hwc->config |= ARCH_PERFMON_EVENTSEL_OS;
435
436 return 0;
437}
438
418/* 439/*
419 * Setup the hardware configuration for a given attr_type 440 * Setup the hardware configuration for a given attr_type
420 */ 441 */
@@ -446,23 +467,13 @@ static int __hw_perf_event_init(struct perf_event *event)
446 467
447 event->destroy = hw_perf_event_destroy; 468 event->destroy = hw_perf_event_destroy;
448 469
449 /*
450 * Generate PMC IRQs:
451 * (keep 'enabled' bit clear for now)
452 */
453 hwc->config = ARCH_PERFMON_EVENTSEL_INT;
454
455 hwc->idx = -1; 470 hwc->idx = -1;
456 hwc->last_cpu = -1; 471 hwc->last_cpu = -1;
457 hwc->last_tag = ~0ULL; 472 hwc->last_tag = ~0ULL;
458 473
459 /* 474 /* Processor specifics */
460 * Count user and OS events unless requested not to. 475 if (x86_pmu.hw_config(attr, hwc))
461 */ 476 return -EOPNOTSUPP;
462 if (!attr->exclude_user)
463 hwc->config |= ARCH_PERFMON_EVENTSEL_USR;
464 if (!attr->exclude_kernel)
465 hwc->config |= ARCH_PERFMON_EVENTSEL_OS;
466 477
467 if (!hwc->sample_period) { 478 if (!hwc->sample_period) {
468 hwc->sample_period = x86_pmu.max_period; 479 hwc->sample_period = x86_pmu.max_period;
@@ -517,7 +528,7 @@ static int __hw_perf_event_init(struct perf_event *event)
517 return -EOPNOTSUPP; 528 return -EOPNOTSUPP;
518 529
519 /* BTS is currently only allowed for user-mode. */ 530 /* BTS is currently only allowed for user-mode. */
520 if (hwc->config & ARCH_PERFMON_EVENTSEL_OS) 531 if (!attr->exclude_kernel)
521 return -EOPNOTSUPP; 532 return -EOPNOTSUPP;
522 } 533 }
523 534
@@ -925,7 +936,7 @@ static int x86_pmu_enable(struct perf_event *event)
925 if (n < 0) 936 if (n < 0)
926 return n; 937 return n;
927 938
928 ret = x86_schedule_events(cpuc, n, assign); 939 ret = x86_pmu.schedule_events(cpuc, n, assign);
929 if (ret) 940 if (ret)
930 return ret; 941 return ret;
931 /* 942 /*
@@ -1252,12 +1263,15 @@ int hw_perf_group_sched_in(struct perf_event *leader,
1252 int assign[X86_PMC_IDX_MAX]; 1263 int assign[X86_PMC_IDX_MAX];
1253 int n0, n1, ret; 1264 int n0, n1, ret;
1254 1265
1266 if (!x86_pmu_initialized())
1267 return 0;
1268
1255 /* n0 = total number of events */ 1269 /* n0 = total number of events */
1256 n0 = collect_events(cpuc, leader, true); 1270 n0 = collect_events(cpuc, leader, true);
1257 if (n0 < 0) 1271 if (n0 < 0)
1258 return n0; 1272 return n0;
1259 1273
1260 ret = x86_schedule_events(cpuc, n0, assign); 1274 ret = x86_pmu.schedule_events(cpuc, n0, assign);
1261 if (ret) 1275 if (ret)
1262 return ret; 1276 return ret;
1263 1277
@@ -1307,6 +1321,7 @@ undo:
1307 1321
1308#include "perf_event_amd.c" 1322#include "perf_event_amd.c"
1309#include "perf_event_p6.c" 1323#include "perf_event_p6.c"
1324#include "perf_event_p4.c"
1310#include "perf_event_intel_lbr.c" 1325#include "perf_event_intel_lbr.c"
1311#include "perf_event_intel_ds.c" 1326#include "perf_event_intel_ds.c"
1312#include "perf_event_intel.c" 1327#include "perf_event_intel.c"
@@ -1509,7 +1524,7 @@ static int validate_group(struct perf_event *event)
1509 1524
1510 fake_cpuc->n_events = n; 1525 fake_cpuc->n_events = n;
1511 1526
1512 ret = x86_schedule_events(fake_cpuc, n, NULL); 1527 ret = x86_pmu.schedule_events(fake_cpuc, n, NULL);
1513 1528
1514out_free: 1529out_free:
1515 kfree(fake_cpuc); 1530 kfree(fake_cpuc);
diff --git a/arch/x86/kernel/cpu/perf_event_amd.c b/arch/x86/kernel/cpu/perf_event_amd.c
index 573458f1caf2..358a8e3d05f8 100644
--- a/arch/x86/kernel/cpu/perf_event_amd.c
+++ b/arch/x86/kernel/cpu/perf_event_amd.c
@@ -363,6 +363,8 @@ static __initconst struct x86_pmu amd_pmu = {
363 .enable_all = x86_pmu_enable_all, 363 .enable_all = x86_pmu_enable_all,
364 .enable = x86_pmu_enable_event, 364 .enable = x86_pmu_enable_event,
365 .disable = x86_pmu_disable_event, 365 .disable = x86_pmu_disable_event,
366 .hw_config = x86_hw_config,
367 .schedule_events = x86_schedule_events,
366 .eventsel = MSR_K7_EVNTSEL0, 368 .eventsel = MSR_K7_EVNTSEL0,
367 .perfctr = MSR_K7_PERFCTR0, 369 .perfctr = MSR_K7_PERFCTR0,
368 .event_map = amd_pmu_event_map, 370 .event_map = amd_pmu_event_map,
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index 971dc6e7d54b..044b8436b19d 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -749,6 +749,8 @@ static __initconst struct x86_pmu core_pmu = {
749 .enable_all = x86_pmu_enable_all, 749 .enable_all = x86_pmu_enable_all,
750 .enable = x86_pmu_enable_event, 750 .enable = x86_pmu_enable_event,
751 .disable = x86_pmu_disable_event, 751 .disable = x86_pmu_disable_event,
752 .hw_config = x86_hw_config,
753 .schedule_events = x86_schedule_events,
752 .eventsel = MSR_ARCH_PERFMON_EVENTSEL0, 754 .eventsel = MSR_ARCH_PERFMON_EVENTSEL0,
753 .perfctr = MSR_ARCH_PERFMON_PERFCTR0, 755 .perfctr = MSR_ARCH_PERFMON_PERFCTR0,
754 .event_map = intel_pmu_event_map, 756 .event_map = intel_pmu_event_map,
@@ -786,6 +788,8 @@ static __initconst struct x86_pmu intel_pmu = {
786 .enable_all = intel_pmu_enable_all, 788 .enable_all = intel_pmu_enable_all,
787 .enable = intel_pmu_enable_event, 789 .enable = intel_pmu_enable_event,
788 .disable = intel_pmu_disable_event, 790 .disable = intel_pmu_disable_event,
791 .hw_config = x86_hw_config,
792 .schedule_events = x86_schedule_events,
789 .eventsel = MSR_ARCH_PERFMON_EVENTSEL0, 793 .eventsel = MSR_ARCH_PERFMON_EVENTSEL0,
790 .perfctr = MSR_ARCH_PERFMON_PERFCTR0, 794 .perfctr = MSR_ARCH_PERFMON_PERFCTR0,
791 .event_map = intel_pmu_event_map, 795 .event_map = intel_pmu_event_map,
@@ -839,12 +843,13 @@ static __init int intel_pmu_init(void)
839 int version; 843 int version;
840 844
841 if (!cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON)) { 845 if (!cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON)) {
842 /* check for P6 processor family */ 846 switch (boot_cpu_data.x86) {
843 if (boot_cpu_data.x86 == 6) { 847 case 0x6:
844 return p6_pmu_init(); 848 return p6_pmu_init();
845 } else { 849 case 0xf:
850 return p4_pmu_init();
851 }
846 return -ENODEV; 852 return -ENODEV;
847 }
848 } 853 }
849 854
850 /* 855 /*
diff --git a/arch/x86/kernel/cpu/perf_event_p4.c b/arch/x86/kernel/cpu/perf_event_p4.c
new file mode 100644
index 000000000000..381f593e8297
--- /dev/null
+++ b/arch/x86/kernel/cpu/perf_event_p4.c
@@ -0,0 +1,607 @@
1/*
2 * Netburst Perfomance Events (P4, old Xeon)
3 *
4 * Copyright (C) 2010 Parallels, Inc., Cyrill Gorcunov <gorcunov@openvz.org>
5 * Copyright (C) 2010 Intel Corporation, Lin Ming <ming.m.lin@intel.com>
6 *
7 * For licencing details see kernel-base/COPYING
8 */
9
10#ifdef CONFIG_CPU_SUP_INTEL
11
12#include <asm/perf_event_p4.h>
13
14/*
15 * array indices: 0,1 - HT threads, used with HT enabled cpu
16 */
17struct p4_event_template {
18 u32 opcode; /* ESCR event + CCCR selector */
19 u64 config; /* packed predefined bits */
20 int dep; /* upstream dependency event index */
21 unsigned int emask; /* ESCR EventMask */
22 unsigned int escr_msr[2]; /* ESCR MSR for this event */
23 unsigned int cntr[2]; /* counter index (offset) */
24};
25
26struct p4_pmu_res {
27 /* maps hw_conf::idx into template for ESCR sake */
28 struct p4_event_template *tpl[ARCH_P4_MAX_CCCR];
29};
30
31static DEFINE_PER_CPU(struct p4_pmu_res, p4_pmu_config);
32
33/*
34 * WARN: CCCR1 doesn't have a working enable bit so try to not
35 * use it if possible
36 *
37 * Also as only we start to support raw events we will need to
38 * append _all_ P4_EVENT_PACK'ed events here
39 */
40struct p4_event_template p4_templates[] = {
41 [0] = {
42 .opcode = P4_UOP_TYPE,
43 .config = 0,
44 .dep = -1,
45 .emask =
46 P4_EVENT_ATTR(P4_UOP_TYPE, TAGLOADS) |
47 P4_EVENT_ATTR(P4_UOP_TYPE, TAGSTORES),
48 .escr_msr = { MSR_P4_RAT_ESCR0, MSR_P4_RAT_ESCR1 },
49 .cntr = { 16, 17 },
50 },
51 [1] = {
52 .opcode = P4_GLOBAL_POWER_EVENTS,
53 .config = 0,
54 .dep = -1,
55 .emask =
56 P4_EVENT_ATTR(P4_GLOBAL_POWER_EVENTS, RUNNING),
57 .escr_msr = { MSR_P4_FSB_ESCR0, MSR_P4_FSB_ESCR1 },
58 .cntr = { 0, 2 },
59 },
60 [2] = {
61 .opcode = P4_INSTR_RETIRED,
62 .config = 0,
63 .dep = 0, /* needs front-end tagging */
64 .emask =
65 P4_EVENT_ATTR(P4_INSTR_RETIRED, NBOGUSNTAG) |
66 P4_EVENT_ATTR(P4_INSTR_RETIRED, NBOGUSTAG) |
67 P4_EVENT_ATTR(P4_INSTR_RETIRED, BOGUSNTAG) |
68 P4_EVENT_ATTR(P4_INSTR_RETIRED, BOGUSTAG),
69 .escr_msr = { MSR_P4_CRU_ESCR2, MSR_P4_CRU_ESCR3 },
70 .cntr = { 12, 14 },
71 },
72 [3] = {
73 .opcode = P4_BSQ_CACHE_REFERENCE,
74 .config = 0,
75 .dep = -1,
76 .emask =
77 P4_EVENT_ATTR(P4_BSQ_CACHE_REFERENCE, RD_2ndL_HITS) |
78 P4_EVENT_ATTR(P4_BSQ_CACHE_REFERENCE, RD_2ndL_HITE) |
79 P4_EVENT_ATTR(P4_BSQ_CACHE_REFERENCE, RD_2ndL_HITM) |
80 P4_EVENT_ATTR(P4_BSQ_CACHE_REFERENCE, RD_3rdL_HITS) |
81 P4_EVENT_ATTR(P4_BSQ_CACHE_REFERENCE, RD_3rdL_HITE) |
82 P4_EVENT_ATTR(P4_BSQ_CACHE_REFERENCE, RD_3rdL_HITM),
83 .escr_msr = { MSR_P4_BSU_ESCR0, MSR_P4_BSU_ESCR1 },
84 .cntr = { 0, 2 },
85 },
86 [4] = {
87 .opcode = P4_BSQ_CACHE_REFERENCE,
88 .config = 0,
89 .dep = -1,
90 .emask =
91 P4_EVENT_ATTR(P4_BSQ_CACHE_REFERENCE, RD_2ndL_MISS) |
92 P4_EVENT_ATTR(P4_BSQ_CACHE_REFERENCE, RD_3rdL_MISS) |
93 P4_EVENT_ATTR(P4_BSQ_CACHE_REFERENCE, WR_2ndL_MISS),
94 .escr_msr = { MSR_P4_BSU_ESCR0, MSR_P4_BSU_ESCR1 },
95 .cntr = { 0, 3 },
96 },
97 [5] = {
98 .opcode = P4_RETIRED_BRANCH_TYPE,
99 .config = 0,
100 .dep = -1,
101 .emask =
102 P4_EVENT_ATTR(P4_RETIRED_BRANCH_TYPE, CONDITIONAL) |
103 P4_EVENT_ATTR(P4_RETIRED_BRANCH_TYPE, CALL) |
104 P4_EVENT_ATTR(P4_RETIRED_BRANCH_TYPE, RETURN) |
105 P4_EVENT_ATTR(P4_RETIRED_BRANCH_TYPE, INDIRECT),
106 .escr_msr = { MSR_P4_TBPU_ESCR0, MSR_P4_TBPU_ESCR1 },
107 .cntr = { 4, 6 },
108 },
109 [6] = {
110 .opcode = P4_MISPRED_BRANCH_RETIRED,
111 .config = 0,
112 .dep = -1,
113 .emask =
114 P4_EVENT_ATTR(P4_MISPRED_BRANCH_RETIRED, NBOGUS),
115 .escr_msr = { MSR_P4_CRU_ESCR0, MSR_P4_CRU_ESCR1 },
116 .cntr = { 12, 14 },
117 },
118 [7] = {
119 .opcode = P4_FSB_DATA_ACTIVITY,
120 .config = p4_config_pack_cccr(P4_CCCR_EDGE | P4_CCCR_COMPARE),
121 .dep = -1,
122 .emask =
123 P4_EVENT_ATTR(P4_FSB_DATA_ACTIVITY, DRDY_DRV) |
124 P4_EVENT_ATTR(P4_FSB_DATA_ACTIVITY, DRDY_OWN),
125 .escr_msr = { MSR_P4_FSB_ESCR0, MSR_P4_FSB_ESCR1 },
126 .cntr = { 0, 2 },
127 },
128};
129
130static struct p4_event_template *p4_event_map[PERF_COUNT_HW_MAX] = {
131 /* non-halted CPU clocks */
132 [PERF_COUNT_HW_CPU_CYCLES] = &p4_templates[1],
133
134 /* retired instructions: dep on tagging the FSB */
135 [PERF_COUNT_HW_INSTRUCTIONS] = &p4_templates[2],
136
137 /* cache hits */
138 [PERF_COUNT_HW_CACHE_REFERENCES] = &p4_templates[3],
139
140 /* cache misses */
141 [PERF_COUNT_HW_CACHE_MISSES] = &p4_templates[4],
142
143 /* branch instructions retired */
144 [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = &p4_templates[5],
145
146 /* mispredicted branches retired */
147 [PERF_COUNT_HW_BRANCH_MISSES] = &p4_templates[6],
148
149 /* bus ready clocks (cpu is driving #DRDY_DRV\#DRDY_OWN): */
150 [PERF_COUNT_HW_BUS_CYCLES] = &p4_templates[7],
151};
152
153static u64 p4_pmu_event_map(int hw_event)
154{
155 struct p4_event_template *tpl;
156 u64 config;
157
158 if (hw_event > ARRAY_SIZE(p4_event_map)) {
159 printk_once(KERN_ERR "PMU: Incorrect event index\n");
160 return 0;
161 }
162 tpl = p4_event_map[hw_event];
163
164 /*
165 * fill config up according to
166 * a predefined event template
167 */
168 config = tpl->config;
169 config |= p4_config_pack_escr(P4_EVENT_UNPACK_EVENT(tpl->opcode) << P4_EVNTSEL_EVENT_SHIFT);
170 config |= p4_config_pack_escr(tpl->emask << P4_EVNTSEL_EVENTMASK_SHIFT);
171 config |= p4_config_pack_cccr(P4_EVENT_UNPACK_SELECTOR(tpl->opcode) << P4_CCCR_ESCR_SELECT_SHIFT);
172
173 /* on HT machine we need a special bit */
174 if (p4_ht_active() && p4_ht_thread(raw_smp_processor_id()))
175 config = p4_set_ht_bit(config);
176
177 return config;
178}
179
180/*
181 * Note that we still have 5 events (from global events SDM list)
182 * intersected in opcode+emask bits so we will need another
183 * scheme there do distinguish templates.
184 */
185static inline int p4_pmu_emask_match(unsigned int dst, unsigned int src)
186{
187 return dst & src;
188}
189
190static struct p4_event_template *p4_pmu_template_lookup(u64 config)
191{
192 u32 opcode = p4_config_unpack_opcode(config);
193 unsigned int emask = p4_config_unpack_emask(config);
194 unsigned int i;
195
196 for (i = 0; i < ARRAY_SIZE(p4_templates); i++) {
197 if (opcode == p4_templates[i].opcode &&
198 p4_pmu_emask_match(emask, p4_templates[i].emask))
199 return &p4_templates[i];
200 }
201
202 return NULL;
203}
204
205/*
206 * We don't control raw events so it's up to the caller
207 * to pass sane values (and we don't count the thread number
208 * on HT machine but allow HT-compatible specifics to be
209 * passed on)
210 */
211static u64 p4_pmu_raw_event(u64 hw_event)
212{
213 return hw_event &
214 (p4_config_pack_escr(P4_EVNTSEL_MASK_HT) |
215 p4_config_pack_cccr(P4_CCCR_MASK_HT));
216}
217
218static int p4_hw_config(struct perf_event_attr *attr, struct hw_perf_event *hwc)
219{
220 int cpu = raw_smp_processor_id();
221
222 /*
223 * the reason we use cpu that early is that: if we get scheduled
224 * first time on the same cpu -- we will not need swap thread
225 * specific flags in config (and will save some cpu cycles)
226 */
227
228 /* CCCR by default */
229 hwc->config = p4_config_pack_cccr(p4_default_cccr_conf(cpu));
230
231 /* Count user and OS events unless not requested to */
232 hwc->config |= p4_config_pack_escr(p4_default_escr_conf(cpu, attr->exclude_kernel,
233 attr->exclude_user));
234 return 0;
235}
236
237static inline void p4_pmu_clear_cccr_ovf(struct hw_perf_event *hwc)
238{
239 unsigned long dummy;
240
241 rdmsrl(hwc->config_base + hwc->idx, dummy);
242 if (dummy & P4_CCCR_OVF) {
243 (void)checking_wrmsrl(hwc->config_base + hwc->idx,
244 ((u64)dummy) & ~P4_CCCR_OVF);
245 }
246}
247
248static inline void p4_pmu_disable_event(struct perf_event *event)
249{
250 struct hw_perf_event *hwc = &event->hw;
251
252 /*
253 * If event gets disabled while counter is in overflowed
254 * state we need to clear P4_CCCR_OVF, otherwise interrupt get
255 * asserted again and again
256 */
257 (void)checking_wrmsrl(hwc->config_base + hwc->idx,
258 (u64)(p4_config_unpack_cccr(hwc->config)) &
259 ~P4_CCCR_ENABLE & ~P4_CCCR_OVF);
260}
261
262static void p4_pmu_disable_all(void)
263{
264 struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
265 int idx;
266
267 for (idx = 0; idx < x86_pmu.num_events; idx++) {
268 struct perf_event *event = cpuc->events[idx];
269 if (!test_bit(idx, cpuc->active_mask))
270 continue;
271 p4_pmu_disable_event(event);
272 }
273}
274
275static void p4_pmu_enable_event(struct perf_event *event)
276{
277 struct hw_perf_event *hwc = &event->hw;
278 int thread = p4_ht_config_thread(hwc->config);
279 u64 escr_conf = p4_config_unpack_escr(p4_clear_ht_bit(hwc->config));
280 u64 escr_base;
281 struct p4_event_template *tpl;
282 struct p4_pmu_res *c;
283
284 /*
285 * some preparation work from per-cpu private fields
286 * since we need to find out which ESCR to use
287 */
288 c = &__get_cpu_var(p4_pmu_config);
289 tpl = c->tpl[hwc->idx];
290 if (!tpl) {
291 pr_crit("%s: Wrong index: %d\n", __func__, hwc->idx);
292 return;
293 }
294 escr_base = (u64)tpl->escr_msr[thread];
295
296 /*
297 * - we dont support cascaded counters yet
298 * - and counter 1 is broken (erratum)
299 */
300 WARN_ON_ONCE(p4_is_event_cascaded(hwc->config));
301 WARN_ON_ONCE(hwc->idx == 1);
302
303 (void)checking_wrmsrl(escr_base, escr_conf);
304 (void)checking_wrmsrl(hwc->config_base + hwc->idx,
305 (u64)(p4_config_unpack_cccr(hwc->config)) | P4_CCCR_ENABLE);
306}
307
308static void p4_pmu_enable_all(void)
309{
310 struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
311 int idx;
312
313 for (idx = 0; idx < x86_pmu.num_events; idx++) {
314 struct perf_event *event = cpuc->events[idx];
315 if (!test_bit(idx, cpuc->active_mask))
316 continue;
317 p4_pmu_enable_event(event);
318 }
319}
320
321static int p4_pmu_handle_irq(struct pt_regs *regs)
322{
323 struct perf_sample_data data;
324 struct cpu_hw_events *cpuc;
325 struct perf_event *event;
326 struct hw_perf_event *hwc;
327 int idx, handled = 0;
328 u64 val;
329
330 data.addr = 0;
331 data.raw = NULL;
332
333 cpuc = &__get_cpu_var(cpu_hw_events);
334
335 for (idx = 0; idx < x86_pmu.num_events; idx++) {
336
337 if (!test_bit(idx, cpuc->active_mask))
338 continue;
339
340 event = cpuc->events[idx];
341 hwc = &event->hw;
342
343 WARN_ON_ONCE(hwc->idx != idx);
344
345 /*
346 * FIXME: Redundant call, actually not needed
347 * but just to check if we're screwed
348 */
349 p4_pmu_clear_cccr_ovf(hwc);
350
351 val = x86_perf_event_update(event);
352 if (val & (1ULL << (x86_pmu.event_bits - 1)))
353 continue;
354
355 /*
356 * event overflow
357 */
358 handled = 1;
359 data.period = event->hw.last_period;
360
361 if (!x86_perf_event_set_period(event))
362 continue;
363 if (perf_event_overflow(event, 1, &data, regs))
364 p4_pmu_disable_event(event);
365 }
366
367 if (handled) {
368 /* p4 quirk: unmask it again */
369 apic_write(APIC_LVTPC, apic_read(APIC_LVTPC) & ~APIC_LVT_MASKED);
370 inc_irq_stat(apic_perf_irqs);
371 }
372
373 return handled;
374}
375
376/*
377 * swap thread specific fields according to a thread
378 * we are going to run on
379 */
380static void p4_pmu_swap_config_ts(struct hw_perf_event *hwc, int cpu)
381{
382 u32 escr, cccr;
383
384 /*
385 * we either lucky and continue on same cpu or no HT support
386 */
387 if (!p4_should_swap_ts(hwc->config, cpu))
388 return;
389
390 /*
391 * the event is migrated from an another logical
392 * cpu, so we need to swap thread specific flags
393 */
394
395 escr = p4_config_unpack_escr(hwc->config);
396 cccr = p4_config_unpack_cccr(hwc->config);
397
398 if (p4_ht_thread(cpu)) {
399 cccr &= ~P4_CCCR_OVF_PMI_T0;
400 cccr |= P4_CCCR_OVF_PMI_T1;
401 if (escr & P4_EVNTSEL_T0_OS) {
402 escr &= ~P4_EVNTSEL_T0_OS;
403 escr |= P4_EVNTSEL_T1_OS;
404 }
405 if (escr & P4_EVNTSEL_T0_USR) {
406 escr &= ~P4_EVNTSEL_T0_USR;
407 escr |= P4_EVNTSEL_T1_USR;
408 }
409 hwc->config = p4_config_pack_escr(escr);
410 hwc->config |= p4_config_pack_cccr(cccr);
411 hwc->config |= P4_CONFIG_HT;
412 } else {
413 cccr &= ~P4_CCCR_OVF_PMI_T1;
414 cccr |= P4_CCCR_OVF_PMI_T0;
415 if (escr & P4_EVNTSEL_T1_OS) {
416 escr &= ~P4_EVNTSEL_T1_OS;
417 escr |= P4_EVNTSEL_T0_OS;
418 }
419 if (escr & P4_EVNTSEL_T1_USR) {
420 escr &= ~P4_EVNTSEL_T1_USR;
421 escr |= P4_EVNTSEL_T0_USR;
422 }
423 hwc->config = p4_config_pack_escr(escr);
424 hwc->config |= p4_config_pack_cccr(cccr);
425 hwc->config &= ~P4_CONFIG_HT;
426 }
427}
428
429/* ESCRs are not sequential in memory so we need a map */
430static unsigned int p4_escr_map[ARCH_P4_TOTAL_ESCR] = {
431 MSR_P4_ALF_ESCR0, /* 0 */
432 MSR_P4_ALF_ESCR1, /* 1 */
433 MSR_P4_BPU_ESCR0, /* 2 */
434 MSR_P4_BPU_ESCR1, /* 3 */
435 MSR_P4_BSU_ESCR0, /* 4 */
436 MSR_P4_BSU_ESCR1, /* 5 */
437 MSR_P4_CRU_ESCR0, /* 6 */
438 MSR_P4_CRU_ESCR1, /* 7 */
439 MSR_P4_CRU_ESCR2, /* 8 */
440 MSR_P4_CRU_ESCR3, /* 9 */
441 MSR_P4_CRU_ESCR4, /* 10 */
442 MSR_P4_CRU_ESCR5, /* 11 */
443 MSR_P4_DAC_ESCR0, /* 12 */
444 MSR_P4_DAC_ESCR1, /* 13 */
445 MSR_P4_FIRM_ESCR0, /* 14 */
446 MSR_P4_FIRM_ESCR1, /* 15 */
447 MSR_P4_FLAME_ESCR0, /* 16 */
448 MSR_P4_FLAME_ESCR1, /* 17 */
449 MSR_P4_FSB_ESCR0, /* 18 */
450 MSR_P4_FSB_ESCR1, /* 19 */
451 MSR_P4_IQ_ESCR0, /* 20 */
452 MSR_P4_IQ_ESCR1, /* 21 */
453 MSR_P4_IS_ESCR0, /* 22 */
454 MSR_P4_IS_ESCR1, /* 23 */
455 MSR_P4_ITLB_ESCR0, /* 24 */
456 MSR_P4_ITLB_ESCR1, /* 25 */
457 MSR_P4_IX_ESCR0, /* 26 */
458 MSR_P4_IX_ESCR1, /* 27 */
459 MSR_P4_MOB_ESCR0, /* 28 */
460 MSR_P4_MOB_ESCR1, /* 29 */
461 MSR_P4_MS_ESCR0, /* 30 */
462 MSR_P4_MS_ESCR1, /* 31 */
463 MSR_P4_PMH_ESCR0, /* 32 */
464 MSR_P4_PMH_ESCR1, /* 33 */
465 MSR_P4_RAT_ESCR0, /* 34 */
466 MSR_P4_RAT_ESCR1, /* 35 */
467 MSR_P4_SAAT_ESCR0, /* 36 */
468 MSR_P4_SAAT_ESCR1, /* 37 */
469 MSR_P4_SSU_ESCR0, /* 38 */
470 MSR_P4_SSU_ESCR1, /* 39 */
471 MSR_P4_TBPU_ESCR0, /* 40 */
472 MSR_P4_TBPU_ESCR1, /* 41 */
473 MSR_P4_TC_ESCR0, /* 42 */
474 MSR_P4_TC_ESCR1, /* 43 */
475 MSR_P4_U2L_ESCR0, /* 44 */
476 MSR_P4_U2L_ESCR1, /* 45 */
477};
478
479static int p4_get_escr_idx(unsigned int addr)
480{
481 unsigned int i;
482
483 for (i = 0; i < ARRAY_SIZE(p4_escr_map); i++) {
484 if (addr == p4_escr_map[i])
485 return i;
486 }
487
488 return -1;
489}
490
491static int p4_pmu_schedule_events(struct cpu_hw_events *cpuc, int n, int *assign)
492{
493 unsigned long used_mask[BITS_TO_LONGS(X86_PMC_IDX_MAX)];
494 unsigned long escr_mask[BITS_TO_LONGS(ARCH_P4_TOTAL_ESCR)];
495
496 struct hw_perf_event *hwc;
497 struct p4_event_template *tpl;
498 struct p4_pmu_res *c;
499 int cpu = raw_smp_processor_id();
500 int escr_idx, thread, i, num;
501
502 bitmap_zero(used_mask, X86_PMC_IDX_MAX);
503 bitmap_zero(escr_mask, ARCH_P4_TOTAL_ESCR);
504
505 c = &__get_cpu_var(p4_pmu_config);
506 /*
507 * Firstly find out which resource events are going
508 * to use, if ESCR+CCCR tuple is already borrowed
509 * then get out of here
510 */
511 for (i = 0, num = n; i < n; i++, num--) {
512 hwc = &cpuc->event_list[i]->hw;
513 tpl = p4_pmu_template_lookup(hwc->config);
514 if (!tpl)
515 goto done;
516 thread = p4_ht_thread(cpu);
517 escr_idx = p4_get_escr_idx(tpl->escr_msr[thread]);
518 if (escr_idx == -1)
519 goto done;
520
521 /* already allocated and remains on the same cpu */
522 if (hwc->idx != -1 && !p4_should_swap_ts(hwc->config, cpu)) {
523 if (assign)
524 assign[i] = hwc->idx;
525 /* upstream dependent event */
526 if (unlikely(tpl->dep != -1))
527 printk_once(KERN_WARNING "PMU: Dep events are "
528 "not implemented yet\n");
529 goto reserve;
530 }
531
532 /* it may be already borrowed */
533 if (test_bit(tpl->cntr[thread], used_mask) ||
534 test_bit(escr_idx, escr_mask))
535 goto done;
536
537 /*
538 * ESCR+CCCR+COUNTERs are available to use lets swap
539 * thread specific bits, push assigned bits
540 * back and save template into per-cpu
541 * area (which will allow us to find out the ESCR
542 * to be used at moment of "enable event via real MSR")
543 */
544 p4_pmu_swap_config_ts(hwc, cpu);
545 if (assign) {
546 assign[i] = tpl->cntr[thread];
547 c->tpl[assign[i]] = tpl;
548 }
549reserve:
550 set_bit(tpl->cntr[thread], used_mask);
551 set_bit(escr_idx, escr_mask);
552 }
553
554done:
555 return num ? -ENOSPC : 0;
556}
557
558static __initconst struct x86_pmu p4_pmu = {
559 .name = "Netburst P4/Xeon",
560 .handle_irq = p4_pmu_handle_irq,
561 .disable_all = p4_pmu_disable_all,
562 .enable_all = p4_pmu_enable_all,
563 .enable = p4_pmu_enable_event,
564 .disable = p4_pmu_disable_event,
565 .eventsel = MSR_P4_BPU_CCCR0,
566 .perfctr = MSR_P4_BPU_PERFCTR0,
567 .event_map = p4_pmu_event_map,
568 .raw_event = p4_pmu_raw_event,
569 .max_events = ARRAY_SIZE(p4_event_map),
570 .get_event_constraints = x86_get_event_constraints,
571 /*
572 * IF HT disabled we may need to use all
573 * ARCH_P4_MAX_CCCR counters simulaneously
574 * though leave it restricted at moment assuming
575 * HT is on
576 */
577 .num_events = ARCH_P4_MAX_CCCR,
578 .apic = 1,
579 .event_bits = 40,
580 .event_mask = (1ULL << 40) - 1,
581 .max_period = (1ULL << 39) - 1,
582 .hw_config = p4_hw_config,
583 .schedule_events = p4_pmu_schedule_events,
584};
585
586static __init int p4_pmu_init(void)
587{
588 unsigned int low, high;
589
590 /* If we get stripped -- indexig fails */
591 BUILD_BUG_ON(ARCH_P4_MAX_CCCR > X86_PMC_MAX_GENERIC);
592
593 rdmsr(MSR_IA32_MISC_ENABLE, low, high);
594 if (!(low & (1 << 7))) {
595 pr_cont("unsupported Netburst CPU model %d ",
596 boot_cpu_data.x86_model);
597 return -ENODEV;
598 }
599
600 pr_cont("Netburst events, ");
601
602 x86_pmu = p4_pmu;
603
604 return 0;
605}
606
607#endif /* CONFIG_CPU_SUP_INTEL */
diff --git a/arch/x86/kernel/cpu/perf_event_p6.c b/arch/x86/kernel/cpu/perf_event_p6.c
index a330485d14da..6ff4d01d880f 100644
--- a/arch/x86/kernel/cpu/perf_event_p6.c
+++ b/arch/x86/kernel/cpu/perf_event_p6.c
@@ -109,6 +109,8 @@ static __initconst struct x86_pmu p6_pmu = {
109 .enable_all = p6_pmu_enable_all, 109 .enable_all = p6_pmu_enable_all,
110 .enable = p6_pmu_enable_event, 110 .enable = p6_pmu_enable_event,
111 .disable = p6_pmu_disable_event, 111 .disable = p6_pmu_disable_event,
112 .hw_config = x86_hw_config,
113 .schedule_events = x86_schedule_events,
112 .eventsel = MSR_P6_EVNTSEL0, 114 .eventsel = MSR_P6_EVNTSEL0,
113 .perfctr = MSR_P6_PERFCTR0, 115 .perfctr = MSR_P6_PERFCTR0,
114 .event_map = p6_pmu_event_map, 116 .event_map = p6_pmu_event_map,