Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
94f5b09d HC |
2 | * Copyright IBM Corp. 2001, 2009 |
3 | * Author(s): Ulrich Weigand <Ulrich.Weigand@de.ibm.com>, | |
4 | * Martin Schwidefsky <schwidefsky@de.ibm.com>, | |
1da177e4 LT |
5 | */ |
6 | ||
1da177e4 LT |
7 | #include <linux/kernel.h> |
8 | #include <linux/mm.h> | |
9 | #include <linux/proc_fs.h> | |
6bcac508 | 10 | #include <linux/seq_file.h> |
1da177e4 | 11 | #include <linux/init.h> |
31ee4b2f | 12 | #include <linux/delay.h> |
6bcac508 | 13 | #include <linux/module.h> |
5a0e3ad6 | 14 | #include <linux/slab.h> |
1da177e4 | 15 | #include <asm/ebcdic.h> |
aa24f7f0 | 16 | #include <asm/sysinfo.h> |
6bcac508 | 17 | #include <asm/cpcmd.h> |
96f4a70d | 18 | #include <asm/topology.h> |
9c203239 | 19 | #include <asm/fpu/api.h> |
31ee4b2f | 20 | |
fade4dc4 HC |
21 | int topology_max_mnest; |
22 | ||
2c79813a | 23 | static inline int __stsi(void *sysinfo, int fc, int sel1, int sel2, int *lvl) |
1da177e4 | 24 | { |
caf757c6 HC |
25 | register int r0 asm("0") = (fc << 28) | sel1; |
26 | register int r1 asm("1") = sel2; | |
27 | int rc = 0; | |
28 | ||
29 | asm volatile( | |
30 | " stsi 0(%3)\n" | |
31 | "0: jz 2f\n" | |
32 | "1: lhi %1,%4\n" | |
33 | "2:\n" | |
34 | EX_TABLE(0b, 1b) | |
35 | : "+d" (r0), "+d" (rc) | |
36 | : "d" (r1), "a" (sysinfo), "K" (-EOPNOTSUPP) | |
37 | : "cc", "memory"); | |
2c79813a HC |
38 | *lvl = ((unsigned int) r0) >> 28; |
39 | return rc; | |
40 | } | |
41 | ||
42 | /* | |
43 | * stsi - store system information | |
44 | * | |
45 | * Returns the current configuration level if function code 0 was specified. | |
46 | * Otherwise returns 0 on success or a negative value on error. | |
47 | */ | |
48 | int stsi(void *sysinfo, int fc, int sel1, int sel2) | |
49 | { | |
50 | int lvl, rc; | |
51 | ||
52 | rc = __stsi(sysinfo, fc, sel1, sel2, &lvl); | |
caf757c6 HC |
53 | if (rc) |
54 | return rc; | |
2c79813a | 55 | return fc ? 0 : lvl; |
1da177e4 | 56 | } |
caf757c6 | 57 | EXPORT_SYMBOL(stsi); |
1da177e4 | 58 | |
0facaa17 | 59 | static void stsi_1_1_1(struct seq_file *m, struct sysinfo_1_1_1 *info) |
1da177e4 | 60 | { |
25502f00 HC |
61 | int i; |
62 | ||
caf757c6 | 63 | if (stsi(info, 1, 1, 1)) |
0facaa17 | 64 | return; |
0fee644a MS |
65 | EBCASC(info->manufacturer, sizeof(info->manufacturer)); |
66 | EBCASC(info->type, sizeof(info->type)); | |
67 | EBCASC(info->model, sizeof(info->model)); | |
68 | EBCASC(info->sequence, sizeof(info->sequence)); | |
69 | EBCASC(info->plant, sizeof(info->plant)); | |
70 | EBCASC(info->model_capacity, sizeof(info->model_capacity)); | |
cbce70e6 MS |
71 | EBCASC(info->model_perm_cap, sizeof(info->model_perm_cap)); |
72 | EBCASC(info->model_temp_cap, sizeof(info->model_temp_cap)); | |
0facaa17 HC |
73 | seq_printf(m, "Manufacturer: %-16.16s\n", info->manufacturer); |
74 | seq_printf(m, "Type: %-4.4s\n", info->type); | |
75 | /* | |
76 | * Sigh: the model field has been renamed with System z9 | |
77 | * to model_capacity and a new model field has been added | |
78 | * after the plant field. To avoid confusing older programs | |
79 | * the "Model:" prints "model_capacity model" or just | |
80 | * "model_capacity" if the model string is empty . | |
81 | */ | |
82 | seq_printf(m, "Model: %-16.16s", info->model_capacity); | |
0fee644a | 83 | if (info->model[0] != '\0') |
0facaa17 HC |
84 | seq_printf(m, " %-16.16s", info->model); |
85 | seq_putc(m, '\n'); | |
86 | seq_printf(m, "Sequence Code: %-16.16s\n", info->sequence); | |
87 | seq_printf(m, "Plant: %-4.4s\n", info->plant); | |
88 | seq_printf(m, "Model Capacity: %-16.16s %08u\n", | |
25502f00 HC |
89 | info->model_capacity, info->model_cap_rating); |
90 | if (info->model_perm_cap_rating) | |
0facaa17 HC |
91 | seq_printf(m, "Model Perm. Capacity: %-16.16s %08u\n", |
92 | info->model_perm_cap, | |
25502f00 HC |
93 | info->model_perm_cap_rating); |
94 | if (info->model_temp_cap_rating) | |
0facaa17 HC |
95 | seq_printf(m, "Model Temp. Capacity: %-16.16s %08u\n", |
96 | info->model_temp_cap, | |
25502f00 HC |
97 | info->model_temp_cap_rating); |
98 | if (info->ncr) | |
99 | seq_printf(m, "Nominal Cap. Rating: %08u\n", info->ncr); | |
100 | if (info->npr) | |
101 | seq_printf(m, "Nominal Perm. Rating: %08u\n", info->npr); | |
102 | if (info->ntr) | |
103 | seq_printf(m, "Nominal Temp. Rating: %08u\n", info->ntr); | |
7aca2eda | 104 | if (info->cai) { |
0facaa17 HC |
105 | seq_printf(m, "Capacity Adj. Ind.: %d\n", info->cai); |
106 | seq_printf(m, "Capacity Ch. Reason: %d\n", info->ccr); | |
25502f00 HC |
107 | seq_printf(m, "Capacity Transient: %d\n", info->t); |
108 | } | |
109 | if (info->p) { | |
110 | for (i = 1; i <= ARRAY_SIZE(info->typepct); i++) { | |
111 | seq_printf(m, "Type %d Percentage: %d\n", | |
112 | i, info->typepct[i - 1]); | |
113 | } | |
7aca2eda | 114 | } |
1da177e4 LT |
115 | } |
116 | ||
0facaa17 | 117 | static void stsi_15_1_x(struct seq_file *m, struct sysinfo_15_1_x *info) |
96f4a70d | 118 | { |
e527aec4 | 119 | int i; |
96f4a70d | 120 | |
0facaa17 | 121 | seq_putc(m, '\n'); |
96f4a70d | 122 | if (!MACHINE_HAS_TOPOLOGY) |
0facaa17 | 123 | return; |
caf757c6 HC |
124 | if (stsi(info, 15, 1, topology_max_mnest)) |
125 | return; | |
0facaa17 | 126 | seq_printf(m, "CPU Topology HW: "); |
96f4a70d | 127 | for (i = 0; i < TOPOLOGY_NR_MAG; i++) |
0facaa17 HC |
128 | seq_printf(m, " %d", info->mag[i]); |
129 | seq_putc(m, '\n'); | |
9236b4dd | 130 | #ifdef CONFIG_SCHED_TOPOLOGY |
96f4a70d | 131 | store_topology(info); |
0facaa17 | 132 | seq_printf(m, "CPU Topology SW: "); |
96f4a70d | 133 | for (i = 0; i < TOPOLOGY_NR_MAG; i++) |
0facaa17 HC |
134 | seq_printf(m, " %d", info->mag[i]); |
135 | seq_putc(m, '\n'); | |
8d11e021 | 136 | #endif |
96f4a70d HC |
137 | } |
138 | ||
0facaa17 | 139 | static void stsi_1_2_2(struct seq_file *m, struct sysinfo_1_2_2 *info) |
1da177e4 | 140 | { |
0fee644a MS |
141 | struct sysinfo_1_2_2_extension *ext; |
142 | int i; | |
143 | ||
caf757c6 | 144 | if (stsi(info, 1, 2, 2)) |
0facaa17 | 145 | return; |
0fee644a MS |
146 | ext = (struct sysinfo_1_2_2_extension *) |
147 | ((unsigned long) info + info->acc_offset); | |
0facaa17 HC |
148 | seq_printf(m, "CPUs Total: %d\n", info->cpus_total); |
149 | seq_printf(m, "CPUs Configured: %d\n", info->cpus_configured); | |
150 | seq_printf(m, "CPUs Standby: %d\n", info->cpus_standby); | |
151 | seq_printf(m, "CPUs Reserved: %d\n", info->cpus_reserved); | |
7022ec49 HC |
152 | if (info->mt_installed) { |
153 | seq_printf(m, "CPUs G-MTID: %d\n", info->mt_gtid); | |
154 | seq_printf(m, "CPUs S-MTID: %d\n", info->mt_stid); | |
155 | } | |
0facaa17 HC |
156 | /* |
157 | * Sigh 2. According to the specification the alternate | |
158 | * capability field is a 32 bit floating point number | |
159 | * if the higher order 8 bits are not zero. Printing | |
160 | * a floating point number in the kernel is a no-no, | |
161 | * always print the number as 32 bit unsigned integer. | |
162 | * The user-space needs to know about the strange | |
163 | * encoding of the alternate cpu capability. | |
164 | */ | |
165 | seq_printf(m, "Capability: %u", info->capability); | |
166 | if (info->format == 1) | |
167 | seq_printf(m, " %u", ext->alt_capability); | |
168 | seq_putc(m, '\n'); | |
25502f00 HC |
169 | if (info->nominal_cap) |
170 | seq_printf(m, "Nominal Capability: %d\n", info->nominal_cap); | |
171 | if (info->secondary_cap) | |
172 | seq_printf(m, "Secondary Capability: %d\n", info->secondary_cap); | |
0facaa17 HC |
173 | for (i = 2; i <= info->cpus_total; i++) { |
174 | seq_printf(m, "Adjustment %02d-way: %u", | |
175 | i, info->adjustment[i-2]); | |
176 | if (info->format == 1) | |
177 | seq_printf(m, " %u", ext->alt_adjustment[i-2]); | |
178 | seq_putc(m, '\n'); | |
0fee644a | 179 | } |
1da177e4 LT |
180 | } |
181 | ||
0facaa17 | 182 | static void stsi_2_2_2(struct seq_file *m, struct sysinfo_2_2_2 *info) |
1da177e4 | 183 | { |
caf757c6 | 184 | if (stsi(info, 2, 2, 2)) |
0facaa17 | 185 | return; |
94f5b09d | 186 | EBCASC(info->name, sizeof(info->name)); |
0facaa17 HC |
187 | seq_putc(m, '\n'); |
188 | seq_printf(m, "LPAR Number: %d\n", info->lpar_number); | |
189 | seq_printf(m, "LPAR Characteristics: "); | |
0fee644a | 190 | if (info->characteristics & LPAR_CHAR_DEDICATED) |
0facaa17 | 191 | seq_printf(m, "Dedicated "); |
0fee644a | 192 | if (info->characteristics & LPAR_CHAR_SHARED) |
0facaa17 | 193 | seq_printf(m, "Shared "); |
0fee644a | 194 | if (info->characteristics & LPAR_CHAR_LIMITED) |
0facaa17 HC |
195 | seq_printf(m, "Limited "); |
196 | seq_putc(m, '\n'); | |
197 | seq_printf(m, "LPAR Name: %-8.8s\n", info->name); | |
198 | seq_printf(m, "LPAR Adjustment: %d\n", info->caf); | |
199 | seq_printf(m, "LPAR CPUs Total: %d\n", info->cpus_total); | |
200 | seq_printf(m, "LPAR CPUs Configured: %d\n", info->cpus_configured); | |
201 | seq_printf(m, "LPAR CPUs Standby: %d\n", info->cpus_standby); | |
202 | seq_printf(m, "LPAR CPUs Reserved: %d\n", info->cpus_reserved); | |
203 | seq_printf(m, "LPAR CPUs Dedicated: %d\n", info->cpus_dedicated); | |
204 | seq_printf(m, "LPAR CPUs Shared: %d\n", info->cpus_shared); | |
7022ec49 HC |
205 | if (info->mt_installed) { |
206 | seq_printf(m, "LPAR CPUs G-MTID: %d\n", info->mt_gtid); | |
207 | seq_printf(m, "LPAR CPUs S-MTID: %d\n", info->mt_stid); | |
208 | seq_printf(m, "LPAR CPUs PS-MTID: %d\n", info->mt_psmtid); | |
10ad34bc | 209 | } |
1da177e4 LT |
210 | } |
211 | ||
f3d0bd6c ET |
212 | static void print_ext_name(struct seq_file *m, int lvl, |
213 | struct sysinfo_3_2_2 *info) | |
214 | { | |
215 | if (info->vm[lvl].ext_name_encoding == 0) | |
216 | return; | |
217 | if (info->ext_names[lvl][0] == 0) | |
218 | return; | |
219 | switch (info->vm[lvl].ext_name_encoding) { | |
220 | case 1: /* EBCDIC */ | |
221 | EBCASC(info->ext_names[lvl], sizeof(info->ext_names[lvl])); | |
222 | break; | |
223 | case 2: /* UTF-8 */ | |
224 | break; | |
225 | default: | |
226 | return; | |
227 | } | |
228 | seq_printf(m, "VM%02d Extended Name: %-.256s\n", lvl, | |
229 | info->ext_names[lvl]); | |
230 | } | |
231 | ||
232 | static void print_uuid(struct seq_file *m, int i, struct sysinfo_3_2_2 *info) | |
233 | { | |
234 | if (!memcmp(&info->vm[i].uuid, &NULL_UUID_BE, sizeof(uuid_be))) | |
235 | return; | |
236 | seq_printf(m, "VM%02d UUID: %pUb\n", i, &info->vm[i].uuid); | |
237 | } | |
238 | ||
0facaa17 | 239 | static void stsi_3_2_2(struct seq_file *m, struct sysinfo_3_2_2 *info) |
1da177e4 | 240 | { |
0fee644a MS |
241 | int i; |
242 | ||
caf757c6 | 243 | if (stsi(info, 3, 2, 2)) |
0facaa17 | 244 | return; |
0fee644a | 245 | for (i = 0; i < info->count; i++) { |
94f5b09d HC |
246 | EBCASC(info->vm[i].name, sizeof(info->vm[i].name)); |
247 | EBCASC(info->vm[i].cpi, sizeof(info->vm[i].cpi)); | |
0facaa17 HC |
248 | seq_putc(m, '\n'); |
249 | seq_printf(m, "VM%02d Name: %-8.8s\n", i, info->vm[i].name); | |
250 | seq_printf(m, "VM%02d Control Program: %-16.16s\n", i, info->vm[i].cpi); | |
251 | seq_printf(m, "VM%02d Adjustment: %d\n", i, info->vm[i].caf); | |
252 | seq_printf(m, "VM%02d CPUs Total: %d\n", i, info->vm[i].cpus_total); | |
253 | seq_printf(m, "VM%02d CPUs Configured: %d\n", i, info->vm[i].cpus_configured); | |
254 | seq_printf(m, "VM%02d CPUs Standby: %d\n", i, info->vm[i].cpus_standby); | |
255 | seq_printf(m, "VM%02d CPUs Reserved: %d\n", i, info->vm[i].cpus_reserved); | |
f3d0bd6c ET |
256 | print_ext_name(m, i, info); |
257 | print_uuid(m, i, info); | |
1da177e4 | 258 | } |
1da177e4 LT |
259 | } |
260 | ||
0facaa17 | 261 | static int sysinfo_show(struct seq_file *m, void *v) |
1da177e4 | 262 | { |
0facaa17 HC |
263 | void *info = (void *)get_zeroed_page(GFP_KERNEL); |
264 | int level; | |
94f5b09d | 265 | |
1da177e4 LT |
266 | if (!info) |
267 | return 0; | |
caf757c6 | 268 | level = stsi(NULL, 0, 0, 0); |
0fee644a | 269 | if (level >= 1) |
0facaa17 | 270 | stsi_1_1_1(m, info); |
0fee644a | 271 | if (level >= 1) |
0facaa17 | 272 | stsi_15_1_x(m, info); |
96f4a70d | 273 | if (level >= 1) |
0facaa17 | 274 | stsi_1_2_2(m, info); |
0fee644a | 275 | if (level >= 2) |
0facaa17 | 276 | stsi_2_2_2(m, info); |
0fee644a | 277 | if (level >= 3) |
0facaa17 HC |
278 | stsi_3_2_2(m, info); |
279 | free_page((unsigned long)info); | |
280 | return 0; | |
281 | } | |
1da177e4 | 282 | |
0facaa17 HC |
283 | static int sysinfo_open(struct inode *inode, struct file *file) |
284 | { | |
285 | return single_open(file, sysinfo_show, NULL); | |
1da177e4 LT |
286 | } |
287 | ||
0facaa17 HC |
288 | static const struct file_operations sysinfo_fops = { |
289 | .open = sysinfo_open, | |
290 | .read = seq_read, | |
291 | .llseek = seq_lseek, | |
292 | .release = single_release, | |
293 | }; | |
294 | ||
295 | static int __init sysinfo_create_proc(void) | |
1da177e4 | 296 | { |
0facaa17 | 297 | proc_create("sysinfo", 0444, NULL, &sysinfo_fops); |
1da177e4 LT |
298 | return 0; |
299 | } | |
0facaa17 | 300 | device_initcall(sysinfo_create_proc); |
1da177e4 | 301 | |
6bcac508 MS |
302 | /* |
303 | * Service levels interface. | |
304 | */ | |
305 | ||
306 | static DECLARE_RWSEM(service_level_sem); | |
307 | static LIST_HEAD(service_level_list); | |
308 | ||
309 | int register_service_level(struct service_level *slr) | |
310 | { | |
311 | struct service_level *ptr; | |
312 | ||
313 | down_write(&service_level_sem); | |
314 | list_for_each_entry(ptr, &service_level_list, list) | |
315 | if (ptr == slr) { | |
316 | up_write(&service_level_sem); | |
317 | return -EEXIST; | |
318 | } | |
319 | list_add_tail(&slr->list, &service_level_list); | |
320 | up_write(&service_level_sem); | |
321 | return 0; | |
322 | } | |
323 | EXPORT_SYMBOL(register_service_level); | |
324 | ||
325 | int unregister_service_level(struct service_level *slr) | |
326 | { | |
327 | struct service_level *ptr, *next; | |
328 | int rc = -ENOENT; | |
329 | ||
330 | down_write(&service_level_sem); | |
331 | list_for_each_entry_safe(ptr, next, &service_level_list, list) { | |
332 | if (ptr != slr) | |
333 | continue; | |
334 | list_del(&ptr->list); | |
335 | rc = 0; | |
336 | break; | |
337 | } | |
338 | up_write(&service_level_sem); | |
339 | return rc; | |
340 | } | |
341 | EXPORT_SYMBOL(unregister_service_level); | |
342 | ||
343 | static void *service_level_start(struct seq_file *m, loff_t *pos) | |
344 | { | |
345 | down_read(&service_level_sem); | |
346 | return seq_list_start(&service_level_list, *pos); | |
347 | } | |
348 | ||
349 | static void *service_level_next(struct seq_file *m, void *p, loff_t *pos) | |
350 | { | |
351 | return seq_list_next(p, &service_level_list, pos); | |
352 | } | |
353 | ||
354 | static void service_level_stop(struct seq_file *m, void *p) | |
355 | { | |
356 | up_read(&service_level_sem); | |
357 | } | |
358 | ||
359 | static int service_level_show(struct seq_file *m, void *p) | |
360 | { | |
361 | struct service_level *slr; | |
362 | ||
363 | slr = list_entry(p, struct service_level, list); | |
364 | slr->seq_print(m, slr); | |
365 | return 0; | |
366 | } | |
367 | ||
368 | static const struct seq_operations service_level_seq_ops = { | |
369 | .start = service_level_start, | |
370 | .next = service_level_next, | |
371 | .stop = service_level_stop, | |
372 | .show = service_level_show | |
373 | }; | |
374 | ||
375 | static int service_level_open(struct inode *inode, struct file *file) | |
376 | { | |
377 | return seq_open(file, &service_level_seq_ops); | |
378 | } | |
379 | ||
380 | static const struct file_operations service_level_ops = { | |
381 | .open = service_level_open, | |
382 | .read = seq_read, | |
383 | .llseek = seq_lseek, | |
384 | .release = seq_release | |
385 | }; | |
386 | ||
387 | static void service_level_vm_print(struct seq_file *m, | |
388 | struct service_level *slr) | |
389 | { | |
390 | char *query_buffer, *str; | |
391 | ||
392 | query_buffer = kmalloc(1024, GFP_KERNEL | GFP_DMA); | |
393 | if (!query_buffer) | |
394 | return; | |
395 | cpcmd("QUERY CPLEVEL", query_buffer, 1024, NULL); | |
396 | str = strchr(query_buffer, '\n'); | |
397 | if (str) | |
398 | *str = 0; | |
399 | seq_printf(m, "VM: %s\n", query_buffer); | |
400 | kfree(query_buffer); | |
401 | } | |
402 | ||
403 | static struct service_level service_level_vm = { | |
404 | .seq_print = service_level_vm_print | |
405 | }; | |
406 | ||
407 | static __init int create_proc_service_level(void) | |
408 | { | |
409 | proc_create("service_levels", 0, NULL, &service_level_ops); | |
410 | if (MACHINE_IS_VM) | |
411 | register_service_level(&service_level_vm); | |
412 | return 0; | |
413 | } | |
6bcac508 MS |
414 | subsys_initcall(create_proc_service_level); |
415 | ||
31ee4b2f MS |
416 | /* |
417 | * CPU capability might have changed. Therefore recalculate loops_per_jiffy. | |
418 | */ | |
419 | void s390_adjust_jiffies(void) | |
420 | { | |
421 | struct sysinfo_1_2_2 *info; | |
9c203239 HC |
422 | unsigned long capability; |
423 | struct kernel_fpu fpu; | |
31ee4b2f MS |
424 | |
425 | info = (void *) get_zeroed_page(GFP_KERNEL); | |
426 | if (!info) | |
427 | return; | |
428 | ||
caf757c6 | 429 | if (stsi(info, 1, 2, 2) == 0) { |
31ee4b2f MS |
430 | /* |
431 | * Major sigh. The cpu capability encoding is "special". | |
432 | * If the first 9 bits of info->capability are 0 then it | |
433 | * is a 32 bit unsigned integer in the range 0 .. 2^23. | |
434 | * If the first 9 bits are != 0 then it is a 32 bit float. | |
435 | * In addition a lower value indicates a proportionally | |
436 | * higher cpu capacity. Bogomips are the other way round. | |
437 | * To get to a halfway suitable number we divide 1e7 | |
438 | * by the cpu capability number. Yes, that means a floating | |
9c203239 | 439 | * point division .. |
31ee4b2f | 440 | */ |
9c203239 HC |
441 | kernel_fpu_begin(&fpu, KERNEL_FPR); |
442 | asm volatile( | |
443 | " sfpc %3\n" | |
444 | " l %0,%1\n" | |
445 | " tmlh %0,0xff80\n" | |
446 | " jnz 0f\n" | |
447 | " cefbr %%f2,%0\n" | |
448 | " j 1f\n" | |
449 | "0: le %%f2,%1\n" | |
450 | "1: cefbr %%f0,%2\n" | |
451 | " debr %%f0,%%f2\n" | |
452 | " cgebr %0,5,%%f0\n" | |
453 | : "=&d" (capability) | |
454 | : "Q" (info->capability), "d" (10000000), "d" (0) | |
455 | : "cc" | |
456 | ); | |
7f79695c | 457 | kernel_fpu_end(&fpu, KERNEL_FPR); |
31ee4b2f MS |
458 | } else |
459 | /* | |
460 | * Really old machine without stsi block for basic | |
461 | * cpu information. Report 42.0 bogomips. | |
462 | */ | |
463 | capability = 42; | |
464 | loops_per_jiffy = capability * (500000/HZ); | |
465 | free_page((unsigned long) info); | |
466 | } | |
467 | ||
468 | /* | |
469 | * calibrate the delay loop | |
470 | */ | |
e2741f17 | 471 | void calibrate_delay(void) |
31ee4b2f MS |
472 | { |
473 | s390_adjust_jiffies(); | |
474 | /* Print the good old Bogomips line .. */ | |
475 | printk(KERN_DEBUG "Calibrating delay loop (skipped)... " | |
476 | "%lu.%02lu BogoMIPS preset\n", loops_per_jiffy/(500000/HZ), | |
477 | (loops_per_jiffy/(5000/HZ)) % 100); | |
478 | } |