1 /*
2  * Perf PMU sysfs events attributes for available CPU-measurement counters
3  *
4  */
5 
6 #include <linux/slab.h>
7 #include <linux/perf_event.h>
8 
9 
10 /* BEGIN: CPUM_CF COUNTER DEFINITIONS =================================== */
11 
12 CPUMF_EVENT_ATTR(cf, CPU_CYCLES, 0x0000);
13 CPUMF_EVENT_ATTR(cf, INSTRUCTIONS, 0x0001);
14 CPUMF_EVENT_ATTR(cf, L1I_DIR_WRITES, 0x0002);
15 CPUMF_EVENT_ATTR(cf, L1I_PENALTY_CYCLES, 0x0003);
16 CPUMF_EVENT_ATTR(cf, PROBLEM_STATE_CPU_CYCLES, 0x0020);
17 CPUMF_EVENT_ATTR(cf, PROBLEM_STATE_INSTRUCTIONS, 0x0021);
18 CPUMF_EVENT_ATTR(cf, PROBLEM_STATE_L1I_DIR_WRITES, 0x0022);
19 CPUMF_EVENT_ATTR(cf, PROBLEM_STATE_L1I_PENALTY_CYCLES, 0x0023);
20 CPUMF_EVENT_ATTR(cf, PROBLEM_STATE_L1D_DIR_WRITES, 0x0024);
21 CPUMF_EVENT_ATTR(cf, PROBLEM_STATE_L1D_PENALTY_CYCLES, 0x0025);
22 CPUMF_EVENT_ATTR(cf, L1D_DIR_WRITES, 0x0004);
23 CPUMF_EVENT_ATTR(cf, L1D_PENALTY_CYCLES, 0x0005);
24 CPUMF_EVENT_ATTR(cf, PRNG_FUNCTIONS, 0x0040);
25 CPUMF_EVENT_ATTR(cf, PRNG_CYCLES, 0x0041);
26 CPUMF_EVENT_ATTR(cf, PRNG_BLOCKED_FUNCTIONS, 0x0042);
27 CPUMF_EVENT_ATTR(cf, PRNG_BLOCKED_CYCLES, 0x0043);
28 CPUMF_EVENT_ATTR(cf, SHA_FUNCTIONS, 0x0044);
29 CPUMF_EVENT_ATTR(cf, SHA_CYCLES, 0x0045);
30 CPUMF_EVENT_ATTR(cf, SHA_BLOCKED_FUNCTIONS, 0x0046);
31 CPUMF_EVENT_ATTR(cf, SHA_BLOCKED_CYCLES, 0x0047);
32 CPUMF_EVENT_ATTR(cf, DEA_FUNCTIONS, 0x0048);
33 CPUMF_EVENT_ATTR(cf, DEA_CYCLES, 0x0049);
34 CPUMF_EVENT_ATTR(cf, DEA_BLOCKED_FUNCTIONS, 0x004a);
35 CPUMF_EVENT_ATTR(cf, DEA_BLOCKED_CYCLES, 0x004b);
36 CPUMF_EVENT_ATTR(cf, AES_FUNCTIONS, 0x004c);
37 CPUMF_EVENT_ATTR(cf, AES_CYCLES, 0x004d);
38 CPUMF_EVENT_ATTR(cf, AES_BLOCKED_FUNCTIONS, 0x004e);
39 CPUMF_EVENT_ATTR(cf, AES_BLOCKED_CYCLES, 0x004f);
40 CPUMF_EVENT_ATTR(cf_z10, L1I_L2_SOURCED_WRITES, 0x0080);
41 CPUMF_EVENT_ATTR(cf_z10, L1D_L2_SOURCED_WRITES, 0x0081);
42 CPUMF_EVENT_ATTR(cf_z10, L1I_L3_LOCAL_WRITES, 0x0082);
43 CPUMF_EVENT_ATTR(cf_z10, L1D_L3_LOCAL_WRITES, 0x0083);
44 CPUMF_EVENT_ATTR(cf_z10, L1I_L3_REMOTE_WRITES, 0x0084);
45 CPUMF_EVENT_ATTR(cf_z10, L1D_L3_REMOTE_WRITES, 0x0085);
46 CPUMF_EVENT_ATTR(cf_z10, L1D_LMEM_SOURCED_WRITES, 0x0086);
47 CPUMF_EVENT_ATTR(cf_z10, L1I_LMEM_SOURCED_WRITES, 0x0087);
48 CPUMF_EVENT_ATTR(cf_z10, L1D_RO_EXCL_WRITES, 0x0088);
49 CPUMF_EVENT_ATTR(cf_z10, L1I_CACHELINE_INVALIDATES, 0x0089);
50 CPUMF_EVENT_ATTR(cf_z10, ITLB1_WRITES, 0x008a);
51 CPUMF_EVENT_ATTR(cf_z10, DTLB1_WRITES, 0x008b);
52 CPUMF_EVENT_ATTR(cf_z10, TLB2_PTE_WRITES, 0x008c);
53 CPUMF_EVENT_ATTR(cf_z10, TLB2_CRSTE_WRITES, 0x008d);
54 CPUMF_EVENT_ATTR(cf_z10, TLB2_CRSTE_HPAGE_WRITES, 0x008e);
55 CPUMF_EVENT_ATTR(cf_z10, ITLB1_MISSES, 0x0091);
56 CPUMF_EVENT_ATTR(cf_z10, DTLB1_MISSES, 0x0092);
57 CPUMF_EVENT_ATTR(cf_z10, L2C_STORES_SENT, 0x0093);
58 CPUMF_EVENT_ATTR(cf_z196, L1D_L2_SOURCED_WRITES, 0x0080);
59 CPUMF_EVENT_ATTR(cf_z196, L1I_L2_SOURCED_WRITES, 0x0081);
60 CPUMF_EVENT_ATTR(cf_z196, DTLB1_MISSES, 0x0082);
61 CPUMF_EVENT_ATTR(cf_z196, ITLB1_MISSES, 0x0083);
62 CPUMF_EVENT_ATTR(cf_z196, L2C_STORES_SENT, 0x0085);
63 CPUMF_EVENT_ATTR(cf_z196, L1D_OFFBOOK_L3_SOURCED_WRITES, 0x0086);
64 CPUMF_EVENT_ATTR(cf_z196, L1D_ONBOOK_L4_SOURCED_WRITES, 0x0087);
65 CPUMF_EVENT_ATTR(cf_z196, L1I_ONBOOK_L4_SOURCED_WRITES, 0x0088);
66 CPUMF_EVENT_ATTR(cf_z196, L1D_RO_EXCL_WRITES, 0x0089);
67 CPUMF_EVENT_ATTR(cf_z196, L1D_OFFBOOK_L4_SOURCED_WRITES, 0x008a);
68 CPUMF_EVENT_ATTR(cf_z196, L1I_OFFBOOK_L4_SOURCED_WRITES, 0x008b);
69 CPUMF_EVENT_ATTR(cf_z196, DTLB1_HPAGE_WRITES, 0x008c);
70 CPUMF_EVENT_ATTR(cf_z196, L1D_LMEM_SOURCED_WRITES, 0x008d);
71 CPUMF_EVENT_ATTR(cf_z196, L1I_LMEM_SOURCED_WRITES, 0x008e);
72 CPUMF_EVENT_ATTR(cf_z196, L1I_OFFBOOK_L3_SOURCED_WRITES, 0x008f);
73 CPUMF_EVENT_ATTR(cf_z196, DTLB1_WRITES, 0x0090);
74 CPUMF_EVENT_ATTR(cf_z196, ITLB1_WRITES, 0x0091);
75 CPUMF_EVENT_ATTR(cf_z196, TLB2_PTE_WRITES, 0x0092);
76 CPUMF_EVENT_ATTR(cf_z196, TLB2_CRSTE_HPAGE_WRITES, 0x0093);
77 CPUMF_EVENT_ATTR(cf_z196, TLB2_CRSTE_WRITES, 0x0094);
78 CPUMF_EVENT_ATTR(cf_z196, L1D_ONCHIP_L3_SOURCED_WRITES, 0x0096);
79 CPUMF_EVENT_ATTR(cf_z196, L1D_OFFCHIP_L3_SOURCED_WRITES, 0x0098);
80 CPUMF_EVENT_ATTR(cf_z196, L1I_ONCHIP_L3_SOURCED_WRITES, 0x0099);
81 CPUMF_EVENT_ATTR(cf_z196, L1I_OFFCHIP_L3_SOURCED_WRITES, 0x009b);
82 CPUMF_EVENT_ATTR(cf_zec12, DTLB1_MISSES, 0x0080);
83 CPUMF_EVENT_ATTR(cf_zec12, ITLB1_MISSES, 0x0081);
84 CPUMF_EVENT_ATTR(cf_zec12, L1D_L2I_SOURCED_WRITES, 0x0082);
85 CPUMF_EVENT_ATTR(cf_zec12, L1I_L2I_SOURCED_WRITES, 0x0083);
86 CPUMF_EVENT_ATTR(cf_zec12, L1D_L2D_SOURCED_WRITES, 0x0084);
87 CPUMF_EVENT_ATTR(cf_zec12, DTLB1_WRITES, 0x0085);
88 CPUMF_EVENT_ATTR(cf_zec12, L1D_LMEM_SOURCED_WRITES, 0x0087);
89 CPUMF_EVENT_ATTR(cf_zec12, L1I_LMEM_SOURCED_WRITES, 0x0089);
90 CPUMF_EVENT_ATTR(cf_zec12, L1D_RO_EXCL_WRITES, 0x008a);
91 CPUMF_EVENT_ATTR(cf_zec12, DTLB1_HPAGE_WRITES, 0x008b);
92 CPUMF_EVENT_ATTR(cf_zec12, ITLB1_WRITES, 0x008c);
93 CPUMF_EVENT_ATTR(cf_zec12, TLB2_PTE_WRITES, 0x008d);
94 CPUMF_EVENT_ATTR(cf_zec12, TLB2_CRSTE_HPAGE_WRITES, 0x008e);
95 CPUMF_EVENT_ATTR(cf_zec12, TLB2_CRSTE_WRITES, 0x008f);
96 CPUMF_EVENT_ATTR(cf_zec12, L1D_ONCHIP_L3_SOURCED_WRITES, 0x0090);
97 CPUMF_EVENT_ATTR(cf_zec12, L1D_OFFCHIP_L3_SOURCED_WRITES, 0x0091);
98 CPUMF_EVENT_ATTR(cf_zec12, L1D_OFFBOOK_L3_SOURCED_WRITES, 0x0092);
99 CPUMF_EVENT_ATTR(cf_zec12, L1D_ONBOOK_L4_SOURCED_WRITES, 0x0093);
100 CPUMF_EVENT_ATTR(cf_zec12, L1D_OFFBOOK_L4_SOURCED_WRITES, 0x0094);
101 CPUMF_EVENT_ATTR(cf_zec12, TX_NC_TEND, 0x0095);
102 CPUMF_EVENT_ATTR(cf_zec12, L1D_ONCHIP_L3_SOURCED_WRITES_IV, 0x0096);
103 CPUMF_EVENT_ATTR(cf_zec12, L1D_OFFCHIP_L3_SOURCED_WRITES_IV, 0x0097);
104 CPUMF_EVENT_ATTR(cf_zec12, L1D_OFFBOOK_L3_SOURCED_WRITES_IV, 0x0098);
105 CPUMF_EVENT_ATTR(cf_zec12, L1I_ONCHIP_L3_SOURCED_WRITES, 0x0099);
106 CPUMF_EVENT_ATTR(cf_zec12, L1I_OFFCHIP_L3_SOURCED_WRITES, 0x009a);
107 CPUMF_EVENT_ATTR(cf_zec12, L1I_OFFBOOK_L3_SOURCED_WRITES, 0x009b);
108 CPUMF_EVENT_ATTR(cf_zec12, L1I_ONBOOK_L4_SOURCED_WRITES, 0x009c);
109 CPUMF_EVENT_ATTR(cf_zec12, L1I_OFFBOOK_L4_SOURCED_WRITES, 0x009d);
110 CPUMF_EVENT_ATTR(cf_zec12, TX_C_TEND, 0x009e);
111 CPUMF_EVENT_ATTR(cf_zec12, L1I_ONCHIP_L3_SOURCED_WRITES_IV, 0x009f);
112 CPUMF_EVENT_ATTR(cf_zec12, L1I_OFFCHIP_L3_SOURCED_WRITES_IV, 0x00a0);
113 CPUMF_EVENT_ATTR(cf_zec12, L1I_OFFBOOK_L3_SOURCED_WRITES_IV, 0x00a1);
114 CPUMF_EVENT_ATTR(cf_zec12, TX_NC_TABORT, 0x00b1);
115 CPUMF_EVENT_ATTR(cf_zec12, TX_C_TABORT_NO_SPECIAL, 0x00b2);
116 CPUMF_EVENT_ATTR(cf_zec12, TX_C_TABORT_SPECIAL, 0x00b3);
117 
118 static struct attribute *cpumcf_pmu_event_attr[] = {
119 	CPUMF_EVENT_PTR(cf, CPU_CYCLES),
120 	CPUMF_EVENT_PTR(cf, INSTRUCTIONS),
121 	CPUMF_EVENT_PTR(cf, L1I_DIR_WRITES),
122 	CPUMF_EVENT_PTR(cf, L1I_PENALTY_CYCLES),
123 	CPUMF_EVENT_PTR(cf, PROBLEM_STATE_CPU_CYCLES),
124 	CPUMF_EVENT_PTR(cf, PROBLEM_STATE_INSTRUCTIONS),
125 	CPUMF_EVENT_PTR(cf, PROBLEM_STATE_L1I_DIR_WRITES),
126 	CPUMF_EVENT_PTR(cf, PROBLEM_STATE_L1I_PENALTY_CYCLES),
127 	CPUMF_EVENT_PTR(cf, PROBLEM_STATE_L1D_DIR_WRITES),
128 	CPUMF_EVENT_PTR(cf, PROBLEM_STATE_L1D_PENALTY_CYCLES),
129 	CPUMF_EVENT_PTR(cf, L1D_DIR_WRITES),
130 	CPUMF_EVENT_PTR(cf, L1D_PENALTY_CYCLES),
131 	CPUMF_EVENT_PTR(cf, PRNG_FUNCTIONS),
132 	CPUMF_EVENT_PTR(cf, PRNG_CYCLES),
133 	CPUMF_EVENT_PTR(cf, PRNG_BLOCKED_FUNCTIONS),
134 	CPUMF_EVENT_PTR(cf, PRNG_BLOCKED_CYCLES),
135 	CPUMF_EVENT_PTR(cf, SHA_FUNCTIONS),
136 	CPUMF_EVENT_PTR(cf, SHA_CYCLES),
137 	CPUMF_EVENT_PTR(cf, SHA_BLOCKED_FUNCTIONS),
138 	CPUMF_EVENT_PTR(cf, SHA_BLOCKED_CYCLES),
139 	CPUMF_EVENT_PTR(cf, DEA_FUNCTIONS),
140 	CPUMF_EVENT_PTR(cf, DEA_CYCLES),
141 	CPUMF_EVENT_PTR(cf, DEA_BLOCKED_FUNCTIONS),
142 	CPUMF_EVENT_PTR(cf, DEA_BLOCKED_CYCLES),
143 	CPUMF_EVENT_PTR(cf, AES_FUNCTIONS),
144 	CPUMF_EVENT_PTR(cf, AES_CYCLES),
145 	CPUMF_EVENT_PTR(cf, AES_BLOCKED_FUNCTIONS),
146 	CPUMF_EVENT_PTR(cf, AES_BLOCKED_CYCLES),
147 	NULL,
148 };
149 
150 static struct attribute *cpumcf_z10_pmu_event_attr[] __initdata = {
151 	CPUMF_EVENT_PTR(cf_z10, L1I_L2_SOURCED_WRITES),
152 	CPUMF_EVENT_PTR(cf_z10, L1D_L2_SOURCED_WRITES),
153 	CPUMF_EVENT_PTR(cf_z10, L1I_L3_LOCAL_WRITES),
154 	CPUMF_EVENT_PTR(cf_z10, L1D_L3_LOCAL_WRITES),
155 	CPUMF_EVENT_PTR(cf_z10, L1I_L3_REMOTE_WRITES),
156 	CPUMF_EVENT_PTR(cf_z10, L1D_L3_REMOTE_WRITES),
157 	CPUMF_EVENT_PTR(cf_z10, L1D_LMEM_SOURCED_WRITES),
158 	CPUMF_EVENT_PTR(cf_z10, L1I_LMEM_SOURCED_WRITES),
159 	CPUMF_EVENT_PTR(cf_z10, L1D_RO_EXCL_WRITES),
160 	CPUMF_EVENT_PTR(cf_z10, L1I_CACHELINE_INVALIDATES),
161 	CPUMF_EVENT_PTR(cf_z10, ITLB1_WRITES),
162 	CPUMF_EVENT_PTR(cf_z10, DTLB1_WRITES),
163 	CPUMF_EVENT_PTR(cf_z10, TLB2_PTE_WRITES),
164 	CPUMF_EVENT_PTR(cf_z10, TLB2_CRSTE_WRITES),
165 	CPUMF_EVENT_PTR(cf_z10, TLB2_CRSTE_HPAGE_WRITES),
166 	CPUMF_EVENT_PTR(cf_z10, ITLB1_MISSES),
167 	CPUMF_EVENT_PTR(cf_z10, DTLB1_MISSES),
168 	CPUMF_EVENT_PTR(cf_z10, L2C_STORES_SENT),
169 	NULL,
170 };
171 
172 static struct attribute *cpumcf_z196_pmu_event_attr[] __initdata = {
173 	CPUMF_EVENT_PTR(cf_z196, L1D_L2_SOURCED_WRITES),
174 	CPUMF_EVENT_PTR(cf_z196, L1I_L2_SOURCED_WRITES),
175 	CPUMF_EVENT_PTR(cf_z196, DTLB1_MISSES),
176 	CPUMF_EVENT_PTR(cf_z196, ITLB1_MISSES),
177 	CPUMF_EVENT_PTR(cf_z196, L2C_STORES_SENT),
178 	CPUMF_EVENT_PTR(cf_z196, L1D_OFFBOOK_L3_SOURCED_WRITES),
179 	CPUMF_EVENT_PTR(cf_z196, L1D_ONBOOK_L4_SOURCED_WRITES),
180 	CPUMF_EVENT_PTR(cf_z196, L1I_ONBOOK_L4_SOURCED_WRITES),
181 	CPUMF_EVENT_PTR(cf_z196, L1D_RO_EXCL_WRITES),
182 	CPUMF_EVENT_PTR(cf_z196, L1D_OFFBOOK_L4_SOURCED_WRITES),
183 	CPUMF_EVENT_PTR(cf_z196, L1I_OFFBOOK_L4_SOURCED_WRITES),
184 	CPUMF_EVENT_PTR(cf_z196, DTLB1_HPAGE_WRITES),
185 	CPUMF_EVENT_PTR(cf_z196, L1D_LMEM_SOURCED_WRITES),
186 	CPUMF_EVENT_PTR(cf_z196, L1I_LMEM_SOURCED_WRITES),
187 	CPUMF_EVENT_PTR(cf_z196, L1I_OFFBOOK_L3_SOURCED_WRITES),
188 	CPUMF_EVENT_PTR(cf_z196, DTLB1_WRITES),
189 	CPUMF_EVENT_PTR(cf_z196, ITLB1_WRITES),
190 	CPUMF_EVENT_PTR(cf_z196, TLB2_PTE_WRITES),
191 	CPUMF_EVENT_PTR(cf_z196, TLB2_CRSTE_HPAGE_WRITES),
192 	CPUMF_EVENT_PTR(cf_z196, TLB2_CRSTE_WRITES),
193 	CPUMF_EVENT_PTR(cf_z196, L1D_ONCHIP_L3_SOURCED_WRITES),
194 	CPUMF_EVENT_PTR(cf_z196, L1D_OFFCHIP_L3_SOURCED_WRITES),
195 	CPUMF_EVENT_PTR(cf_z196, L1I_ONCHIP_L3_SOURCED_WRITES),
196 	CPUMF_EVENT_PTR(cf_z196, L1I_OFFCHIP_L3_SOURCED_WRITES),
197 	NULL,
198 };
199 
200 static struct attribute *cpumcf_zec12_pmu_event_attr[] __initdata = {
201 	CPUMF_EVENT_PTR(cf_zec12, DTLB1_MISSES),
202 	CPUMF_EVENT_PTR(cf_zec12, ITLB1_MISSES),
203 	CPUMF_EVENT_PTR(cf_zec12, L1D_L2I_SOURCED_WRITES),
204 	CPUMF_EVENT_PTR(cf_zec12, L1I_L2I_SOURCED_WRITES),
205 	CPUMF_EVENT_PTR(cf_zec12, L1D_L2D_SOURCED_WRITES),
206 	CPUMF_EVENT_PTR(cf_zec12, DTLB1_WRITES),
207 	CPUMF_EVENT_PTR(cf_zec12, L1D_LMEM_SOURCED_WRITES),
208 	CPUMF_EVENT_PTR(cf_zec12, L1I_LMEM_SOURCED_WRITES),
209 	CPUMF_EVENT_PTR(cf_zec12, L1D_RO_EXCL_WRITES),
210 	CPUMF_EVENT_PTR(cf_zec12, DTLB1_HPAGE_WRITES),
211 	CPUMF_EVENT_PTR(cf_zec12, ITLB1_WRITES),
212 	CPUMF_EVENT_PTR(cf_zec12, TLB2_PTE_WRITES),
213 	CPUMF_EVENT_PTR(cf_zec12, TLB2_CRSTE_HPAGE_WRITES),
214 	CPUMF_EVENT_PTR(cf_zec12, TLB2_CRSTE_WRITES),
215 	CPUMF_EVENT_PTR(cf_zec12, L1D_ONCHIP_L3_SOURCED_WRITES),
216 	CPUMF_EVENT_PTR(cf_zec12, L1D_OFFCHIP_L3_SOURCED_WRITES),
217 	CPUMF_EVENT_PTR(cf_zec12, L1D_OFFBOOK_L3_SOURCED_WRITES),
218 	CPUMF_EVENT_PTR(cf_zec12, L1D_ONBOOK_L4_SOURCED_WRITES),
219 	CPUMF_EVENT_PTR(cf_zec12, L1D_OFFBOOK_L4_SOURCED_WRITES),
220 	CPUMF_EVENT_PTR(cf_zec12, TX_NC_TEND),
221 	CPUMF_EVENT_PTR(cf_zec12, L1D_ONCHIP_L3_SOURCED_WRITES_IV),
222 	CPUMF_EVENT_PTR(cf_zec12, L1D_OFFCHIP_L3_SOURCED_WRITES_IV),
223 	CPUMF_EVENT_PTR(cf_zec12, L1D_OFFBOOK_L3_SOURCED_WRITES_IV),
224 	CPUMF_EVENT_PTR(cf_zec12, L1I_ONCHIP_L3_SOURCED_WRITES),
225 	CPUMF_EVENT_PTR(cf_zec12, L1I_OFFCHIP_L3_SOURCED_WRITES),
226 	CPUMF_EVENT_PTR(cf_zec12, L1I_OFFBOOK_L3_SOURCED_WRITES),
227 	CPUMF_EVENT_PTR(cf_zec12, L1I_ONBOOK_L4_SOURCED_WRITES),
228 	CPUMF_EVENT_PTR(cf_zec12, L1I_OFFBOOK_L4_SOURCED_WRITES),
229 	CPUMF_EVENT_PTR(cf_zec12, TX_C_TEND),
230 	CPUMF_EVENT_PTR(cf_zec12, L1I_ONCHIP_L3_SOURCED_WRITES_IV),
231 	CPUMF_EVENT_PTR(cf_zec12, L1I_OFFCHIP_L3_SOURCED_WRITES_IV),
232 	CPUMF_EVENT_PTR(cf_zec12, L1I_OFFBOOK_L3_SOURCED_WRITES_IV),
233 	CPUMF_EVENT_PTR(cf_zec12, TX_NC_TABORT),
234 	CPUMF_EVENT_PTR(cf_zec12, TX_C_TABORT_NO_SPECIAL),
235 	CPUMF_EVENT_PTR(cf_zec12, TX_C_TABORT_SPECIAL),
236 	NULL,
237 };
238 
239 /* END: CPUM_CF COUNTER DEFINITIONS ===================================== */
240 
241 static struct attribute_group cpumsf_pmu_events_group = {
242 	.name = "events",
243 	.attrs = cpumcf_pmu_event_attr,
244 };
245 
246 PMU_FORMAT_ATTR(event, "config:0-63");
247 
248 static struct attribute *cpumsf_pmu_format_attr[] = {
249 	&format_attr_event.attr,
250 	NULL,
251 };
252 
253 static struct attribute_group cpumsf_pmu_format_group = {
254 	.name = "format",
255 	.attrs = cpumsf_pmu_format_attr,
256 };
257 
258 static const struct attribute_group *cpumsf_pmu_attr_groups[] = {
259 	&cpumsf_pmu_events_group,
260 	&cpumsf_pmu_format_group,
261 	NULL,
262 };
263 
264 
265 static __init struct attribute **merge_attr(struct attribute **a,
266 					    struct attribute **b)
267 {
268 	struct attribute **new;
269 	int j, i;
270 
271 	for (j = 0; a[j]; j++)
272 		;
273 	for (i = 0; b[i]; i++)
274 		j++;
275 	j++;
276 
277 	new = kmalloc(sizeof(struct attribute *) * j, GFP_KERNEL);
278 	if (!new)
279 		return NULL;
280 	j = 0;
281 	for (i = 0; a[i]; i++)
282 		new[j++] = a[i];
283 	for (i = 0; b[i]; i++)
284 		new[j++] = b[i];
285 	new[j] = NULL;
286 
287 	return new;
288 }
289 
290 __init const struct attribute_group **cpumf_cf_event_group(void)
291 {
292 	struct attribute **combined, **model;
293 	struct cpuid cpu_id;
294 
295 	get_cpu_id(&cpu_id);
296 	switch (cpu_id.machine) {
297 	case 0x2097:
298 	case 0x2098:
299 		model = cpumcf_z10_pmu_event_attr;
300 		break;
301 	case 0x2817:
302 	case 0x2818:
303 		model = cpumcf_z196_pmu_event_attr;
304 		break;
305 	case 0x2827:
306 	case 0x2828:
307 		model = cpumcf_zec12_pmu_event_attr;
308 		break;
309 	default:
310 		model = NULL;
311 		break;
312 	}
313 
314 	if (!model)
315 		goto out;
316 
317 	combined = merge_attr(cpumcf_pmu_event_attr, model);
318 	if (combined)
319 		cpumsf_pmu_events_group.attrs = combined;
320 out:
321 	return cpumsf_pmu_attr_groups;
322 }
323