Revision 43642b38 qemu-io.c
b/qemu-io.c | ||
---|---|---|
20 | 20 |
|
21 | 21 |
#define VERSION "0.0.1" |
22 | 22 |
|
23 |
#define CMD_NOFILE_OK 0x01
|
|
23 |
#define CMD_NOFILE_OK 0x01
|
|
24 | 24 |
|
25 | 25 |
char *progname; |
26 | 26 |
static BlockDriverState *bs; |
... | ... | |
35 | 35 |
*/ |
36 | 36 |
static int parse_pattern(const char *arg) |
37 | 37 |
{ |
38 |
char *endptr = NULL;
|
|
39 |
long pattern;
|
|
38 |
char *endptr = NULL;
|
|
39 |
long pattern;
|
|
40 | 40 |
|
41 |
pattern = strtol(arg, &endptr, 0);
|
|
42 |
if (pattern < 0 || pattern > UCHAR_MAX || *endptr != '\0') {
|
|
43 |
printf("%s is not a valid pattern byte\n", arg);
|
|
44 |
return -1;
|
|
45 |
}
|
|
41 |
pattern = strtol(arg, &endptr, 0);
|
|
42 |
if (pattern < 0 || pattern > UCHAR_MAX || *endptr != '\0') {
|
|
43 |
printf("%s is not a valid pattern byte\n", arg);
|
|
44 |
return -1;
|
|
45 |
}
|
|
46 | 46 |
|
47 |
return pattern;
|
|
47 |
return pattern;
|
|
48 | 48 |
} |
49 | 49 |
|
50 | 50 |
/* |
... | ... | |
54 | 54 |
* that is specified on the command line. |
55 | 55 |
*/ |
56 | 56 |
|
57 |
#define MISALIGN_OFFSET 16
|
|
57 |
#define MISALIGN_OFFSET 16
|
|
58 | 58 |
static void *qemu_io_alloc(size_t len, int pattern) |
59 | 59 |
{ |
60 |
void *buf; |
|
61 |
|
|
62 |
if (misalign) |
|
63 |
len += MISALIGN_OFFSET; |
|
64 |
buf = qemu_blockalign(bs, len); |
|
65 |
memset(buf, pattern, len); |
|
66 |
if (misalign) |
|
67 |
buf += MISALIGN_OFFSET; |
|
68 |
return buf; |
|
60 |
void *buf; |
|
61 |
|
|
62 |
if (misalign) { |
|
63 |
len += MISALIGN_OFFSET; |
|
64 |
} |
|
65 |
buf = qemu_blockalign(bs, len); |
|
66 |
memset(buf, pattern, len); |
|
67 |
if (misalign) { |
|
68 |
buf += MISALIGN_OFFSET; |
|
69 |
} |
|
70 |
return buf; |
|
69 | 71 |
} |
70 | 72 |
|
71 | 73 |
static void qemu_io_free(void *p) |
72 | 74 |
{ |
73 |
if (misalign) |
|
74 |
p -= MISALIGN_OFFSET; |
|
75 |
qemu_vfree(p); |
|
75 |
if (misalign) { |
|
76 |
p -= MISALIGN_OFFSET; |
|
77 |
} |
|
78 |
qemu_vfree(p); |
|
76 | 79 |
} |
77 | 80 |
|
78 |
static void |
|
79 |
dump_buffer(const void *buffer, int64_t offset, int len) |
|
81 |
static void dump_buffer(const void *buffer, int64_t offset, int len) |
|
80 | 82 |
{ |
81 |
int i, j; |
|
82 |
const uint8_t *p; |
|
83 |
|
|
84 |
for (i = 0, p = buffer; i < len; i += 16) { |
|
85 |
const uint8_t *s = p; |
|
86 |
|
|
87 |
printf("%08" PRIx64 ": ", offset + i); |
|
88 |
for (j = 0; j < 16 && i + j < len; j++, p++) |
|
89 |
printf("%02x ", *p); |
|
90 |
printf(" "); |
|
91 |
for (j = 0; j < 16 && i + j < len; j++, s++) { |
|
92 |
if (isalnum(*s)) |
|
93 |
printf("%c", *s); |
|
94 |
else |
|
95 |
printf("."); |
|
96 |
} |
|
97 |
printf("\n"); |
|
98 |
} |
|
83 |
int i, j; |
|
84 |
const uint8_t *p; |
|
85 |
|
|
86 |
for (i = 0, p = buffer; i < len; i += 16) { |
|
87 |
const uint8_t *s = p; |
|
88 |
|
|
89 |
printf("%08" PRIx64 ": ", offset + i); |
|
90 |
for (j = 0; j < 16 && i + j < len; j++, p++) { |
|
91 |
printf("%02x ", *p); |
|
92 |
} |
|
93 |
printf(" "); |
|
94 |
for (j = 0; j < 16 && i + j < len; j++, s++) { |
|
95 |
if (isalnum(*s)) { |
|
96 |
printf("%c", *s); |
|
97 |
} else { |
|
98 |
printf("."); |
|
99 |
} |
|
100 |
} |
|
101 |
printf("\n"); |
|
102 |
} |
|
99 | 103 |
} |
100 | 104 |
|
101 |
static void |
|
102 |
print_report(const char *op, struct timeval *t, int64_t offset, |
|
103 |
int count, int total, int cnt, int Cflag) |
|
105 |
static void print_report(const char *op, struct timeval *t, int64_t offset, |
|
106 |
int count, int total, int cnt, int Cflag) |
|
104 | 107 |
{ |
105 |
char s1[64], s2[64], ts[64];
|
|
106 |
|
|
107 |
timestr(t, ts, sizeof(ts), Cflag ? VERBOSE_FIXED_TIME : 0);
|
|
108 |
if (!Cflag) {
|
|
109 |
cvtstr((double)total, s1, sizeof(s1));
|
|
110 |
cvtstr(tdiv((double)total, *t), s2, sizeof(s2));
|
|
111 |
printf("%s %d/%d bytes at offset %" PRId64 "\n",
|
|
112 |
op, total, count, offset);
|
|
113 |
printf("%s, %d ops; %s (%s/sec and %.4f ops/sec)\n",
|
|
114 |
s1, cnt, ts, s2, tdiv((double)cnt, *t));
|
|
115 |
} else {/* bytes,ops,time,bytes/sec,ops/sec */
|
|
116 |
printf("%d,%d,%s,%.3f,%.3f\n",
|
|
117 |
total, cnt, ts,
|
|
118 |
tdiv((double)total, *t),
|
|
119 |
tdiv((double)cnt, *t));
|
|
120 |
}
|
|
108 |
char s1[64], s2[64], ts[64];
|
|
109 |
|
|
110 |
timestr(t, ts, sizeof(ts), Cflag ? VERBOSE_FIXED_TIME : 0);
|
|
111 |
if (!Cflag) {
|
|
112 |
cvtstr((double)total, s1, sizeof(s1));
|
|
113 |
cvtstr(tdiv((double)total, *t), s2, sizeof(s2));
|
|
114 |
printf("%s %d/%d bytes at offset %" PRId64 "\n", |
|
115 |
op, total, count, offset); |
|
116 |
printf("%s, %d ops; %s (%s/sec and %.4f ops/sec)\n",
|
|
117 |
s1, cnt, ts, s2, tdiv((double)cnt, *t));
|
|
118 |
} else {/* bytes,ops,time,bytes/sec,ops/sec */
|
|
119 |
printf("%d,%d,%s,%.3f,%.3f\n",
|
|
120 |
total, cnt, ts,
|
|
121 |
tdiv((double)total, *t),
|
|
122 |
tdiv((double)cnt, *t));
|
|
123 |
}
|
|
121 | 124 |
} |
122 | 125 |
|
123 | 126 |
/* |
... | ... | |
127 | 130 |
static void * |
128 | 131 |
create_iovec(QEMUIOVector *qiov, char **argv, int nr_iov, int pattern) |
129 | 132 |
{ |
130 |
size_t *sizes = calloc(nr_iov, sizeof(size_t));
|
|
131 |
size_t count = 0;
|
|
132 |
void *buf = NULL;
|
|
133 |
void *p;
|
|
134 |
int i;
|
|
135 |
|
|
136 |
for (i = 0; i < nr_iov; i++) {
|
|
137 |
char *arg = argv[i];
|
|
138 |
int64_t len;
|
|
139 |
|
|
140 |
len = cvtnum(arg);
|
|
141 |
if (len < 0) {
|
|
142 |
printf("non-numeric length argument -- %s\n", arg);
|
|
143 |
goto fail;
|
|
144 |
}
|
|
145 |
|
|
146 |
/* should be SIZE_T_MAX, but that doesn't exist */
|
|
147 |
if (len > INT_MAX) {
|
|
148 |
printf("too large length argument -- %s\n", arg);
|
|
149 |
goto fail;
|
|
150 |
}
|
|
151 |
|
|
152 |
if (len & 0x1ff) {
|
|
153 |
printf("length argument %" PRId64
|
|
154 |
" is not sector aligned\n", len);
|
|
155 |
goto fail;
|
|
156 |
}
|
|
157 |
|
|
158 |
sizes[i] = len;
|
|
159 |
count += len;
|
|
160 |
}
|
|
161 |
|
|
162 |
qemu_iovec_init(qiov, nr_iov);
|
|
163 |
|
|
164 |
buf = p = qemu_io_alloc(count, pattern);
|
|
165 |
|
|
166 |
for (i = 0; i < nr_iov; i++) {
|
|
167 |
qemu_iovec_add(qiov, p, sizes[i]);
|
|
168 |
p += sizes[i];
|
|
169 |
}
|
|
133 |
size_t *sizes = calloc(nr_iov, sizeof(size_t));
|
|
134 |
size_t count = 0;
|
|
135 |
void *buf = NULL;
|
|
136 |
void *p;
|
|
137 |
int i;
|
|
138 |
|
|
139 |
for (i = 0; i < nr_iov; i++) {
|
|
140 |
char *arg = argv[i];
|
|
141 |
int64_t len; |
|
142 |
|
|
143 |
len = cvtnum(arg);
|
|
144 |
if (len < 0) {
|
|
145 |
printf("non-numeric length argument -- %s\n", arg);
|
|
146 |
goto fail;
|
|
147 |
}
|
|
148 |
|
|
149 |
/* should be SIZE_T_MAX, but that doesn't exist */
|
|
150 |
if (len > INT_MAX) {
|
|
151 |
printf("too large length argument -- %s\n", arg);
|
|
152 |
goto fail;
|
|
153 |
}
|
|
154 |
|
|
155 |
if (len & 0x1ff) {
|
|
156 |
printf("length argument %" PRId64 |
|
157 |
" is not sector aligned\n", len); |
|
158 |
goto fail;
|
|
159 |
}
|
|
160 |
|
|
161 |
sizes[i] = len;
|
|
162 |
count += len;
|
|
163 |
}
|
|
164 |
|
|
165 |
qemu_iovec_init(qiov, nr_iov);
|
|
166 |
|
|
167 |
buf = p = qemu_io_alloc(count, pattern);
|
|
168 |
|
|
169 |
for (i = 0; i < nr_iov; i++) {
|
|
170 |
qemu_iovec_add(qiov, p, sizes[i]);
|
|
171 |
p += sizes[i];
|
|
172 |
}
|
|
170 | 173 |
|
171 | 174 |
fail: |
172 |
free(sizes);
|
|
173 |
return buf;
|
|
175 |
free(sizes);
|
|
176 |
return buf;
|
|
174 | 177 |
} |
175 | 178 |
|
176 | 179 |
static int do_read(char *buf, int64_t offset, int count, int *total) |
177 | 180 |
{ |
178 |
int ret;
|
|
181 |
int ret;
|
|
179 | 182 |
|
180 |
ret = bdrv_read(bs, offset >> 9, (uint8_t *)buf, count >> 9); |
|
181 |
if (ret < 0) |
|
182 |
return ret; |
|
183 |
*total = count; |
|
184 |
return 1; |
|
183 |
ret = bdrv_read(bs, offset >> 9, (uint8_t *)buf, count >> 9); |
|
184 |
if (ret < 0) { |
|
185 |
return ret; |
|
186 |
} |
|
187 |
*total = count; |
|
188 |
return 1; |
|
185 | 189 |
} |
186 | 190 |
|
187 | 191 |
static int do_write(char *buf, int64_t offset, int count, int *total) |
188 | 192 |
{ |
189 |
int ret;
|
|
193 |
int ret;
|
|
190 | 194 |
|
191 |
ret = bdrv_write(bs, offset >> 9, (uint8_t *)buf, count >> 9); |
|
192 |
if (ret < 0) |
|
193 |
return ret; |
|
194 |
*total = count; |
|
195 |
return 1; |
|
195 |
ret = bdrv_write(bs, offset >> 9, (uint8_t *)buf, count >> 9); |
|
196 |
if (ret < 0) { |
|
197 |
return ret; |
|
198 |
} |
|
199 |
*total = count; |
|
200 |
return 1; |
|
196 | 201 |
} |
197 | 202 |
|
198 | 203 |
static int do_pread(char *buf, int64_t offset, int count, int *total) |
199 | 204 |
{ |
200 |
*total = bdrv_pread(bs, offset, (uint8_t *)buf, count); |
|
201 |
if (*total < 0) |
|
202 |
return *total; |
|
203 |
return 1; |
|
205 |
*total = bdrv_pread(bs, offset, (uint8_t *)buf, count); |
|
206 |
if (*total < 0) { |
|
207 |
return *total; |
|
208 |
} |
|
209 |
return 1; |
|
204 | 210 |
} |
205 | 211 |
|
206 | 212 |
static int do_pwrite(char *buf, int64_t offset, int count, int *total) |
207 | 213 |
{ |
208 |
*total = bdrv_pwrite(bs, offset, (uint8_t *)buf, count); |
|
209 |
if (*total < 0) |
|
210 |
return *total; |
|
211 |
return 1; |
|
214 |
*total = bdrv_pwrite(bs, offset, (uint8_t *)buf, count); |
|
215 |
if (*total < 0) { |
|
216 |
return *total; |
|
217 |
} |
|
218 |
return 1; |
|
212 | 219 |
} |
213 | 220 |
|
214 | 221 |
static int do_load_vmstate(char *buf, int64_t offset, int count, int *total) |
215 | 222 |
{ |
216 |
*total = bdrv_load_vmstate(bs, (uint8_t *)buf, offset, count); |
|
217 |
if (*total < 0) |
|
218 |
return *total; |
|
219 |
return 1; |
|
223 |
*total = bdrv_load_vmstate(bs, (uint8_t *)buf, offset, count); |
|
224 |
if (*total < 0) { |
|
225 |
return *total; |
|
226 |
} |
|
227 |
return 1; |
|
220 | 228 |
} |
221 | 229 |
|
222 | 230 |
static int do_save_vmstate(char *buf, int64_t offset, int count, int *total) |
223 | 231 |
{ |
224 |
*total = bdrv_save_vmstate(bs, (uint8_t *)buf, offset, count); |
|
225 |
if (*total < 0) |
|
226 |
return *total; |
|
227 |
return 1; |
|
232 |
*total = bdrv_save_vmstate(bs, (uint8_t *)buf, offset, count); |
|
233 |
if (*total < 0) { |
|
234 |
return *total; |
|
235 |
} |
|
236 |
return 1; |
|
228 | 237 |
} |
229 | 238 |
|
230 | 239 |
#define NOT_DONE 0x7fffffff |
231 | 240 |
static void aio_rw_done(void *opaque, int ret) |
232 | 241 |
{ |
233 |
*(int *)opaque = ret;
|
|
242 |
*(int *)opaque = ret;
|
|
234 | 243 |
} |
235 | 244 |
|
236 | 245 |
static int do_aio_readv(QEMUIOVector *qiov, int64_t offset, int *total) |
237 | 246 |
{ |
238 |
BlockDriverAIOCB *acb;
|
|
239 |
int async_ret = NOT_DONE;
|
|
247 |
BlockDriverAIOCB *acb;
|
|
248 |
int async_ret = NOT_DONE;
|
|
240 | 249 |
|
241 |
acb = bdrv_aio_readv(bs, offset >> 9, qiov, qiov->size >> 9, |
|
242 |
aio_rw_done, &async_ret); |
|
243 |
if (!acb) |
|
244 |
return -EIO; |
|
245 |
|
|
246 |
while (async_ret == NOT_DONE) |
|
247 |
qemu_aio_wait(); |
|
250 |
acb = bdrv_aio_readv(bs, offset >> 9, qiov, qiov->size >> 9, |
|
251 |
aio_rw_done, &async_ret); |
|
252 |
if (!acb) { |
|
253 |
return -EIO; |
|
254 |
} |
|
255 |
while (async_ret == NOT_DONE) { |
|
256 |
qemu_aio_wait(); |
|
257 |
} |
|
248 | 258 |
|
249 |
*total = qiov->size;
|
|
250 |
return async_ret < 0 ? async_ret : 1;
|
|
259 |
*total = qiov->size;
|
|
260 |
return async_ret < 0 ? async_ret : 1;
|
|
251 | 261 |
} |
252 | 262 |
|
253 | 263 |
static int do_aio_writev(QEMUIOVector *qiov, int64_t offset, int *total) |
254 | 264 |
{ |
255 |
BlockDriverAIOCB *acb;
|
|
256 |
int async_ret = NOT_DONE;
|
|
265 |
BlockDriverAIOCB *acb;
|
|
266 |
int async_ret = NOT_DONE;
|
|
257 | 267 |
|
258 |
acb = bdrv_aio_writev(bs, offset >> 9, qiov, qiov->size >> 9, |
|
259 |
aio_rw_done, &async_ret); |
|
260 |
if (!acb) |
|
261 |
return -EIO; |
|
268 |
acb = bdrv_aio_writev(bs, offset >> 9, qiov, qiov->size >> 9, |
|
269 |
aio_rw_done, &async_ret); |
|
270 |
if (!acb) { |
|
271 |
return -EIO; |
|
272 |
} |
|
262 | 273 |
|
263 |
while (async_ret == NOT_DONE) |
|
264 |
qemu_aio_wait(); |
|
274 |
while (async_ret == NOT_DONE) { |
|
275 |
qemu_aio_wait(); |
|
276 |
} |
|
265 | 277 |
|
266 |
*total = qiov->size;
|
|
267 |
return async_ret < 0 ? async_ret : 1;
|
|
278 |
*total = qiov->size;
|
|
279 |
return async_ret < 0 ? async_ret : 1;
|
|
268 | 280 |
} |
269 | 281 |
|
270 | 282 |
struct multiwrite_async_ret { |
271 |
int num_done;
|
|
272 |
int error;
|
|
283 |
int num_done;
|
|
284 |
int error;
|
|
273 | 285 |
}; |
274 | 286 |
|
275 | 287 |
static void multiwrite_cb(void *opaque, int ret) |
276 | 288 |
{ |
277 |
struct multiwrite_async_ret *async_ret = opaque;
|
|
289 |
struct multiwrite_async_ret *async_ret = opaque;
|
|
278 | 290 |
|
279 |
async_ret->num_done++;
|
|
280 |
if (ret < 0) {
|
|
281 |
async_ret->error = ret;
|
|
282 |
}
|
|
291 |
async_ret->num_done++;
|
|
292 |
if (ret < 0) {
|
|
293 |
async_ret->error = ret;
|
|
294 |
}
|
|
283 | 295 |
} |
284 | 296 |
|
285 | 297 |
static int do_aio_multiwrite(BlockRequest* reqs, int num_reqs, int *total) |
286 | 298 |
{ |
287 |
int i, ret;
|
|
288 |
struct multiwrite_async_ret async_ret = {
|
|
289 |
.num_done = 0,
|
|
290 |
.error = 0,
|
|
291 |
};
|
|
292 |
|
|
293 |
*total = 0;
|
|
294 |
for (i = 0; i < num_reqs; i++) {
|
|
295 |
reqs[i].cb = multiwrite_cb;
|
|
296 |
reqs[i].opaque = &async_ret;
|
|
297 |
*total += reqs[i].qiov->size;
|
|
298 |
}
|
|
299 |
|
|
300 |
ret = bdrv_aio_multiwrite(bs, reqs, num_reqs);
|
|
301 |
if (ret < 0) {
|
|
302 |
return ret;
|
|
303 |
}
|
|
304 |
|
|
305 |
while (async_ret.num_done < num_reqs) {
|
|
306 |
qemu_aio_wait();
|
|
307 |
}
|
|
308 |
|
|
309 |
return async_ret.error < 0 ? async_ret.error : 1;
|
|
299 |
int i, ret;
|
|
300 |
struct multiwrite_async_ret async_ret = {
|
|
301 |
.num_done = 0,
|
|
302 |
.error = 0,
|
|
303 |
};
|
|
304 |
|
|
305 |
*total = 0;
|
|
306 |
for (i = 0; i < num_reqs; i++) {
|
|
307 |
reqs[i].cb = multiwrite_cb;
|
|
308 |
reqs[i].opaque = &async_ret;
|
|
309 |
*total += reqs[i].qiov->size;
|
|
310 |
}
|
|
311 |
|
|
312 |
ret = bdrv_aio_multiwrite(bs, reqs, num_reqs);
|
|
313 |
if (ret < 0) {
|
|
314 |
return ret;
|
|
315 |
}
|
|
316 |
|
|
317 |
while (async_ret.num_done < num_reqs) {
|
|
318 |
qemu_aio_wait();
|
|
319 |
}
|
|
320 |
|
|
321 |
return async_ret.error < 0 ? async_ret.error : 1;
|
|
310 | 322 |
} |
311 | 323 |
|
312 |
static void |
|
313 |
read_help(void) |
|
324 |
static void read_help(void) |
|
314 | 325 |
{ |
315 |
printf(
|
|
326 |
printf(
|
|
316 | 327 |
"\n" |
317 | 328 |
" reads a range of bytes from the given offset\n" |
318 | 329 |
"\n" |
... | ... | |
335 | 346 |
static int read_f(int argc, char **argv); |
336 | 347 |
|
337 | 348 |
static const cmdinfo_t read_cmd = { |
338 |
.name = "read",
|
|
339 |
.altname = "r",
|
|
340 |
.cfunc = read_f,
|
|
341 |
.argmin = 2,
|
|
342 |
.argmax = -1,
|
|
343 |
.args = "[-abCpqv] [-P pattern [-s off] [-l len]] off len",
|
|
344 |
.oneline = "reads a number of bytes at a specified offset",
|
|
345 |
.help = read_help,
|
|
349 |
.name = "read",
|
|
350 |
.altname = "r",
|
|
351 |
.cfunc = read_f,
|
|
352 |
.argmin = 2,
|
|
353 |
.argmax = -1,
|
|
354 |
.args = "[-abCpqv] [-P pattern [-s off] [-l len]] off len",
|
|
355 |
.oneline = "reads a number of bytes at a specified offset",
|
|
356 |
.help = read_help,
|
|
346 | 357 |
}; |
347 | 358 |
|
348 |
static int |
|
349 |
read_f(int argc, char **argv) |
|
359 |
static int read_f(int argc, char **argv) |
|
350 | 360 |
{ |
351 |
struct timeval t1, t2; |
|
352 |
int Cflag = 0, pflag = 0, qflag = 0, vflag = 0; |
|
353 |
int Pflag = 0, sflag = 0, lflag = 0, bflag = 0; |
|
354 |
int c, cnt; |
|
355 |
char *buf; |
|
356 |
int64_t offset; |
|
357 |
int count; |
|
358 |
/* Some compilers get confused and warn if this is not initialized. */ |
|
359 |
int total = 0; |
|
360 |
int pattern = 0, pattern_offset = 0, pattern_count = 0; |
|
361 |
|
|
362 |
while ((c = getopt(argc, argv, "bCl:pP:qs:v")) != EOF) { |
|
363 |
switch (c) { |
|
364 |
case 'b': |
|
365 |
bflag = 1; |
|
366 |
break; |
|
367 |
case 'C': |
|
368 |
Cflag = 1; |
|
369 |
break; |
|
370 |
case 'l': |
|
371 |
lflag = 1; |
|
372 |
pattern_count = cvtnum(optarg); |
|
373 |
if (pattern_count < 0) { |
|
374 |
printf("non-numeric length argument -- %s\n", optarg); |
|
375 |
return 0; |
|
376 |
} |
|
377 |
break; |
|
378 |
case 'p': |
|
379 |
pflag = 1; |
|
380 |
break; |
|
381 |
case 'P': |
|
382 |
Pflag = 1; |
|
383 |
pattern = parse_pattern(optarg); |
|
384 |
if (pattern < 0) |
|
385 |
return 0; |
|
386 |
break; |
|
387 |
case 'q': |
|
388 |
qflag = 1; |
|
389 |
break; |
|
390 |
case 's': |
|
391 |
sflag = 1; |
|
392 |
pattern_offset = cvtnum(optarg); |
|
393 |
if (pattern_offset < 0) { |
|
394 |
printf("non-numeric length argument -- %s\n", optarg); |
|
395 |
return 0; |
|
396 |
} |
|
397 |
break; |
|
398 |
case 'v': |
|
399 |
vflag = 1; |
|
400 |
break; |
|
401 |
default: |
|
402 |
return command_usage(&read_cmd); |
|
403 |
} |
|
404 |
} |
|
405 |
|
|
406 |
if (optind != argc - 2) |
|
407 |
return command_usage(&read_cmd); |
|
408 |
|
|
409 |
if (bflag && pflag) { |
|
410 |
printf("-b and -p cannot be specified at the same time\n"); |
|
411 |
return 0; |
|
412 |
} |
|
413 |
|
|
414 |
offset = cvtnum(argv[optind]); |
|
415 |
if (offset < 0) { |
|
416 |
printf("non-numeric length argument -- %s\n", argv[optind]); |
|
417 |
return 0; |
|
418 |
} |
|
419 |
|
|
420 |
optind++; |
|
421 |
count = cvtnum(argv[optind]); |
|
422 |
if (count < 0) { |
|
423 |
printf("non-numeric length argument -- %s\n", argv[optind]); |
|
424 |
return 0; |
|
425 |
} |
|
361 |
struct timeval t1, t2; |
|
362 |
int Cflag = 0, pflag = 0, qflag = 0, vflag = 0; |
|
363 |
int Pflag = 0, sflag = 0, lflag = 0, bflag = 0; |
|
364 |
int c, cnt; |
|
365 |
char *buf; |
|
366 |
int64_t offset; |
|
367 |
int count; |
|
368 |
/* Some compilers get confused and warn if this is not initialized. */ |
|
369 |
int total = 0; |
|
370 |
int pattern = 0, pattern_offset = 0, pattern_count = 0; |
|
371 |
|
|
372 |
while ((c = getopt(argc, argv, "bCl:pP:qs:v")) != EOF) { |
|
373 |
switch (c) { |
|
374 |
case 'b': |
|
375 |
bflag = 1; |
|
376 |
break; |
|
377 |
case 'C': |
|
378 |
Cflag = 1; |
|
379 |
break; |
|
380 |
case 'l': |
|
381 |
lflag = 1; |
|
382 |
pattern_count = cvtnum(optarg); |
|
383 |
if (pattern_count < 0) { |
|
384 |
printf("non-numeric length argument -- %s\n", optarg); |
|
385 |
return 0; |
|
386 |
} |
|
387 |
break; |
|
388 |
case 'p': |
|
389 |
pflag = 1; |
|
390 |
break; |
|
391 |
case 'P': |
|
392 |
Pflag = 1; |
|
393 |
pattern = parse_pattern(optarg); |
|
394 |
if (pattern < 0) { |
|
395 |
return 0; |
|
396 |
} |
|
397 |
break; |
|
398 |
case 'q': |
|
399 |
qflag = 1; |
|
400 |
break; |
|
401 |
case 's': |
|
402 |
sflag = 1; |
|
403 |
pattern_offset = cvtnum(optarg); |
|
404 |
if (pattern_offset < 0) { |
|
405 |
printf("non-numeric length argument -- %s\n", optarg); |
|
406 |
return 0; |
|
407 |
} |
|
408 |
break; |
|
409 |
case 'v': |
|
410 |
vflag = 1; |
|
411 |
break; |
|
412 |
default: |
|
413 |
return command_usage(&read_cmd); |
|
414 |
} |
|
415 |
} |
|
416 |
|
|
417 |
if (optind != argc - 2) { |
|
418 |
return command_usage(&read_cmd); |
|
419 |
} |
|
420 |
|
|
421 |
if (bflag && pflag) { |
|
422 |
printf("-b and -p cannot be specified at the same time\n"); |
|
423 |
return 0; |
|
424 |
} |
|
425 |
|
|
426 |
offset = cvtnum(argv[optind]); |
|
427 |
if (offset < 0) { |
|
428 |
printf("non-numeric length argument -- %s\n", argv[optind]); |
|
429 |
return 0; |
|
430 |
} |
|
431 |
|
|
432 |
optind++; |
|
433 |
count = cvtnum(argv[optind]); |
|
434 |
if (count < 0) { |
|
435 |
printf("non-numeric length argument -- %s\n", argv[optind]); |
|
436 |
return 0; |
|
437 |
} |
|
426 | 438 |
|
427 | 439 |
if (!Pflag && (lflag || sflag)) { |
428 | 440 |
return command_usage(&read_cmd); |
... | ... | |
437 | 449 |
return 0; |
438 | 450 |
} |
439 | 451 |
|
440 |
if (!pflag) |
|
441 |
if (offset & 0x1ff) { |
|
442 |
printf("offset %" PRId64 " is not sector aligned\n", |
|
443 |
offset); |
|
444 |
return 0; |
|
445 |
|
|
446 |
if (count & 0x1ff) { |
|
447 |
printf("count %d is not sector aligned\n", |
|
448 |
count); |
|
449 |
return 0; |
|
450 |
} |
|
451 |
} |
|
452 |
|
|
453 |
buf = qemu_io_alloc(count, 0xab); |
|
454 |
|
|
455 |
gettimeofday(&t1, NULL); |
|
456 |
if (pflag) |
|
457 |
cnt = do_pread(buf, offset, count, &total); |
|
458 |
else if (bflag) |
|
459 |
cnt = do_load_vmstate(buf, offset, count, &total); |
|
460 |
else |
|
461 |
cnt = do_read(buf, offset, count, &total); |
|
462 |
gettimeofday(&t2, NULL); |
|
463 |
|
|
464 |
if (cnt < 0) { |
|
465 |
printf("read failed: %s\n", strerror(-cnt)); |
|
466 |
goto out; |
|
467 |
} |
|
468 |
|
|
469 |
if (Pflag) { |
|
470 |
void* cmp_buf = malloc(pattern_count); |
|
471 |
memset(cmp_buf, pattern, pattern_count); |
|
472 |
if (memcmp(buf + pattern_offset, cmp_buf, pattern_count)) { |
|
473 |
printf("Pattern verification failed at offset %" |
|
474 |
PRId64 ", %d bytes\n", |
|
475 |
offset + pattern_offset, pattern_count); |
|
476 |
} |
|
477 |
free(cmp_buf); |
|
478 |
} |
|
479 |
|
|
480 |
if (qflag) |
|
481 |
goto out; |
|
482 |
|
|
483 |
if (vflag) |
|
484 |
dump_buffer(buf, offset, count); |
|
485 |
|
|
486 |
/* Finally, report back -- -C gives a parsable format */ |
|
487 |
t2 = tsub(t2, t1); |
|
488 |
print_report("read", &t2, offset, count, total, cnt, Cflag); |
|
452 |
if (!pflag) |
|
453 |
if (offset & 0x1ff) { |
|
454 |
printf("offset %" PRId64 " is not sector aligned\n", |
|
455 |
offset); |
|
456 |
return 0; |
|
457 |
} |
|
458 |
if (count & 0x1ff) { |
|
459 |
printf("count %d is not sector aligned\n", |
|
460 |
count); |
|
461 |
return 0; |
|
462 |
} |
|
463 |
|
|
464 |
buf = qemu_io_alloc(count, 0xab); |
|
465 |
|
|
466 |
gettimeofday(&t1, NULL); |
|
467 |
if (pflag) { |
|
468 |
cnt = do_pread(buf, offset, count, &total); |
|
469 |
} else if (bflag) { |
|
470 |
cnt = do_load_vmstate(buf, offset, count, &total); |
|
471 |
} else { |
|
472 |
cnt = do_read(buf, offset, count, &total); |
|
473 |
} |
|
474 |
gettimeofday(&t2, NULL); |
|
475 |
|
|
476 |
if (cnt < 0) { |
|
477 |
printf("read failed: %s\n", strerror(-cnt)); |
|
478 |
goto out; |
|
479 |
} |
|
480 |
|
|
481 |
if (Pflag) { |
|
482 |
void *cmp_buf = malloc(pattern_count); |
|
483 |
memset(cmp_buf, pattern, pattern_count); |
|
484 |
if (memcmp(buf + pattern_offset, cmp_buf, pattern_count)) { |
|
485 |
printf("Pattern verification failed at offset %" |
|
486 |
PRId64 ", %d bytes\n", |
|
487 |
offset + pattern_offset, pattern_count); |
|
488 |
} |
|
489 |
free(cmp_buf); |
|
490 |
} |
|
491 |
|
|
492 |
if (qflag) { |
|
493 |
goto out; |
|
494 |
} |
|
495 |
|
|
496 |
if (vflag) { |
|
497 |
dump_buffer(buf, offset, count); |
|
498 |
} |
|
499 |
|
|
500 |
/* Finally, report back -- -C gives a parsable format */ |
|
501 |
t2 = tsub(t2, t1); |
|
502 |
print_report("read", &t2, offset, count, total, cnt, Cflag); |
|
489 | 503 |
|
490 | 504 |
out: |
491 |
qemu_io_free(buf);
|
|
505 |
qemu_io_free(buf);
|
|
492 | 506 |
|
493 |
return 0;
|
|
507 |
return 0;
|
|
494 | 508 |
} |
495 | 509 |
|
496 |
static void |
|
497 |
readv_help(void) |
|
510 |
static void readv_help(void) |
|
498 | 511 |
{ |
499 |
printf(
|
|
512 |
printf(
|
|
500 | 513 |
"\n" |
501 | 514 |
" reads a range of bytes from the given offset into multiple buffers\n" |
502 | 515 |
"\n" |
... | ... | |
516 | 529 |
static int readv_f(int argc, char **argv); |
517 | 530 |
|
518 | 531 |
static const cmdinfo_t readv_cmd = { |
519 |
.name = "readv",
|
|
520 |
.cfunc = readv_f,
|
|
521 |
.argmin = 2,
|
|
522 |
.argmax = -1,
|
|
523 |
.args = "[-Cqv] [-P pattern ] off len [len..]",
|
|
524 |
.oneline = "reads a number of bytes at a specified offset",
|
|
525 |
.help = readv_help,
|
|
532 |
.name = "readv",
|
|
533 |
.cfunc = readv_f,
|
|
534 |
.argmin = 2,
|
|
535 |
.argmax = -1,
|
|
536 |
.args = "[-Cqv] [-P pattern ] off len [len..]",
|
|
537 |
.oneline = "reads a number of bytes at a specified offset",
|
|
538 |
.help = readv_help,
|
|
526 | 539 |
}; |
527 | 540 |
|
528 |
static int |
|
529 |
readv_f(int argc, char **argv) |
|
541 |
static int readv_f(int argc, char **argv) |
|
530 | 542 |
{ |
531 |
struct timeval t1, t2; |
|
532 |
int Cflag = 0, qflag = 0, vflag = 0; |
|
533 |
int c, cnt; |
|
534 |
char *buf; |
|
535 |
int64_t offset; |
|
536 |
/* Some compilers get confused and warn if this is not initialized. */ |
|
537 |
int total = 0; |
|
538 |
int nr_iov; |
|
539 |
QEMUIOVector qiov; |
|
540 |
int pattern = 0; |
|
541 |
int Pflag = 0; |
|
542 |
|
|
543 |
while ((c = getopt(argc, argv, "CP:qv")) != EOF) { |
|
544 |
switch (c) { |
|
545 |
case 'C': |
|
546 |
Cflag = 1; |
|
547 |
break; |
|
548 |
case 'P': |
|
549 |
Pflag = 1; |
|
550 |
pattern = parse_pattern(optarg); |
|
551 |
if (pattern < 0) |
|
552 |
return 0; |
|
553 |
break; |
|
554 |
case 'q': |
|
555 |
qflag = 1; |
|
556 |
break; |
|
557 |
case 'v': |
|
558 |
vflag = 1; |
|
559 |
break; |
|
560 |
default: |
|
561 |
return command_usage(&readv_cmd); |
|
562 |
} |
|
563 |
} |
|
564 |
|
|
565 |
if (optind > argc - 2) |
|
566 |
return command_usage(&readv_cmd); |
|
567 |
|
|
568 |
|
|
569 |
offset = cvtnum(argv[optind]); |
|
570 |
if (offset < 0) { |
|
571 |
printf("non-numeric length argument -- %s\n", argv[optind]); |
|
572 |
return 0; |
|
573 |
} |
|
574 |
optind++; |
|
575 |
|
|
576 |
if (offset & 0x1ff) { |
|
577 |
printf("offset %" PRId64 " is not sector aligned\n", |
|
578 |
offset); |
|
579 |
return 0; |
|
580 |
} |
|
581 |
|
|
582 |
nr_iov = argc - optind; |
|
583 |
buf = create_iovec(&qiov, &argv[optind], nr_iov, 0xab); |
|
584 |
|
|
585 |
gettimeofday(&t1, NULL); |
|
586 |
cnt = do_aio_readv(&qiov, offset, &total); |
|
587 |
gettimeofday(&t2, NULL); |
|
588 |
|
|
589 |
if (cnt < 0) { |
|
590 |
printf("readv failed: %s\n", strerror(-cnt)); |
|
591 |
goto out; |
|
592 |
} |
|
593 |
|
|
594 |
if (Pflag) { |
|
595 |
void* cmp_buf = malloc(qiov.size); |
|
596 |
memset(cmp_buf, pattern, qiov.size); |
|
597 |
if (memcmp(buf, cmp_buf, qiov.size)) { |
|
598 |
printf("Pattern verification failed at offset %" |
|
599 |
PRId64 ", %zd bytes\n", |
|
600 |
offset, qiov.size); |
|
601 |
} |
|
602 |
free(cmp_buf); |
|
603 |
} |
|
604 |
|
|
605 |
if (qflag) |
|
606 |
goto out; |
|
607 |
|
|
608 |
if (vflag) |
|
609 |
dump_buffer(buf, offset, qiov.size); |
|
610 |
|
|
611 |
/* Finally, report back -- -C gives a parsable format */ |
|
612 |
t2 = tsub(t2, t1); |
|
613 |
print_report("read", &t2, offset, qiov.size, total, cnt, Cflag); |
|
543 |
struct timeval t1, t2; |
|
544 |
int Cflag = 0, qflag = 0, vflag = 0; |
|
545 |
int c, cnt; |
|
546 |
char *buf; |
|
547 |
int64_t offset; |
|
548 |
/* Some compilers get confused and warn if this is not initialized. */ |
|
549 |
int total = 0; |
|
550 |
int nr_iov; |
|
551 |
QEMUIOVector qiov; |
|
552 |
int pattern = 0; |
|
553 |
int Pflag = 0; |
|
554 |
|
|
555 |
while ((c = getopt(argc, argv, "CP:qv")) != EOF) { |
|
556 |
switch (c) { |
|
557 |
case 'C': |
|
558 |
Cflag = 1; |
|
559 |
break; |
|
560 |
case 'P': |
|
561 |
Pflag = 1; |
|
562 |
pattern = parse_pattern(optarg); |
|
563 |
if (pattern < 0) { |
|
564 |
return 0; |
|
565 |
} |
|
566 |
break; |
|
567 |
case 'q': |
|
568 |
qflag = 1; |
|
569 |
break; |
|
570 |
case 'v': |
|
571 |
vflag = 1; |
|
572 |
break; |
|
573 |
default: |
|
574 |
return command_usage(&readv_cmd); |
|
575 |
} |
|
576 |
} |
|
577 |
|
|
578 |
if (optind > argc - 2) { |
|
579 |
return command_usage(&readv_cmd); |
|
580 |
} |
|
581 |
|
|
582 |
|
|
583 |
offset = cvtnum(argv[optind]); |
|
584 |
if (offset < 0) { |
|
585 |
printf("non-numeric length argument -- %s\n", argv[optind]); |
|
586 |
return 0; |
|
587 |
} |
|
588 |
optind++; |
|
589 |
|
|
590 |
if (offset & 0x1ff) { |
|
591 |
printf("offset %" PRId64 " is not sector aligned\n", |
|
592 |
offset); |
|
593 |
return 0; |
|
594 |
} |
|
595 |
|
|
596 |
nr_iov = argc - optind; |
|
597 |
buf = create_iovec(&qiov, &argv[optind], nr_iov, 0xab); |
|
598 |
|
|
599 |
gettimeofday(&t1, NULL); |
|
600 |
cnt = do_aio_readv(&qiov, offset, &total); |
|
601 |
gettimeofday(&t2, NULL); |
|
602 |
|
|
603 |
if (cnt < 0) { |
|
604 |
printf("readv failed: %s\n", strerror(-cnt)); |
|
605 |
goto out; |
|
606 |
} |
|
607 |
|
|
608 |
if (Pflag) { |
|
609 |
void *cmp_buf = malloc(qiov.size); |
|
610 |
memset(cmp_buf, pattern, qiov.size); |
|
611 |
if (memcmp(buf, cmp_buf, qiov.size)) { |
|
612 |
printf("Pattern verification failed at offset %" |
|
613 |
PRId64 ", %zd bytes\n", offset, qiov.size); |
|
614 |
} |
|
615 |
free(cmp_buf); |
|
616 |
} |
|
617 |
|
|
618 |
if (qflag) { |
|
619 |
goto out; |
|
620 |
} |
|
621 |
|
|
622 |
if (vflag) { |
|
623 |
dump_buffer(buf, offset, qiov.size); |
|
624 |
} |
|
625 |
|
|
626 |
/* Finally, report back -- -C gives a parsable format */ |
|
627 |
t2 = tsub(t2, t1); |
|
628 |
print_report("read", &t2, offset, qiov.size, total, cnt, Cflag); |
|
614 | 629 |
|
615 | 630 |
out: |
616 |
qemu_io_free(buf);
|
|
617 |
return 0;
|
|
631 |
qemu_io_free(buf);
|
|
632 |
return 0;
|
|
618 | 633 |
} |
619 | 634 |
|
620 |
static void |
|
621 |
write_help(void) |
|
635 |
static void write_help(void) |
|
622 | 636 |
{ |
623 |
printf(
|
|
637 |
printf(
|
|
624 | 638 |
"\n" |
625 | 639 |
" writes a range of bytes from the given offset\n" |
626 | 640 |
"\n" |
... | ... | |
640 | 654 |
static int write_f(int argc, char **argv); |
641 | 655 |
|
642 | 656 |
static const cmdinfo_t write_cmd = { |
643 |
.name = "write",
|
|
644 |
.altname = "w",
|
|
645 |
.cfunc = write_f,
|
|
646 |
.argmin = 2,
|
|
647 |
.argmax = -1,
|
|
648 |
.args = "[-abCpq] [-P pattern ] off len",
|
|
649 |
.oneline = "writes a number of bytes at a specified offset",
|
|
650 |
.help = write_help,
|
|
657 |
.name = "write",
|
|
658 |
.altname = "w",
|
|
659 |
.cfunc = write_f,
|
|
660 |
.argmin = 2,
|
|
661 |
.argmax = -1,
|
|
662 |
.args = "[-abCpq] [-P pattern ] off len",
|
|
663 |
.oneline = "writes a number of bytes at a specified offset",
|
|
664 |
.help = write_help,
|
|
651 | 665 |
}; |
652 | 666 |
|
653 |
static int |
|
654 |
write_f(int argc, char **argv) |
|
667 |
static int write_f(int argc, char **argv) |
|
655 | 668 |
{ |
656 |
struct timeval t1, t2; |
|
657 |
int Cflag = 0, pflag = 0, qflag = 0, bflag = 0; |
|
658 |
int c, cnt; |
|
659 |
char *buf; |
|
660 |
int64_t offset; |
|
661 |
int count; |
|
662 |
/* Some compilers get confused and warn if this is not initialized. */ |
|
663 |
int total = 0; |
|
664 |
int pattern = 0xcd; |
|
665 |
|
|
666 |
while ((c = getopt(argc, argv, "bCpP:q")) != EOF) { |
|
667 |
switch (c) { |
|
668 |
case 'b': |
|
669 |
bflag = 1; |
|
670 |
break; |
|
671 |
case 'C': |
|
672 |
Cflag = 1; |
|
673 |
break; |
|
674 |
case 'p': |
|
675 |
pflag = 1; |
|
676 |
break; |
|
677 |
case 'P': |
|
678 |
pattern = parse_pattern(optarg); |
|
679 |
if (pattern < 0) |
|
680 |
return 0; |
|
681 |
break; |
|
682 |
case 'q': |
|
683 |
qflag = 1; |
|
684 |
break; |
|
685 |
default: |
|
686 |
return command_usage(&write_cmd); |
|
687 |
} |
|
688 |
} |
|
689 |
|
|
690 |
if (optind != argc - 2) |
|
691 |
return command_usage(&write_cmd); |
|
692 |
|
|
693 |
if (bflag && pflag) { |
|
694 |
printf("-b and -p cannot be specified at the same time\n"); |
|
695 |
return 0; |
|
696 |
} |
|
697 |
|
|
698 |
offset = cvtnum(argv[optind]); |
|
699 |
if (offset < 0) { |
|
700 |
printf("non-numeric length argument -- %s\n", argv[optind]); |
|
701 |
return 0; |
|
702 |
} |
|
703 |
|
|
704 |
optind++; |
|
705 |
count = cvtnum(argv[optind]); |
|
706 |
if (count < 0) { |
|
707 |
printf("non-numeric length argument -- %s\n", argv[optind]); |
|
708 |
return 0; |
|
709 |
} |
|
710 |
|
|
711 |
if (!pflag) { |
|
712 |
if (offset & 0x1ff) { |
|
713 |
printf("offset %" PRId64 " is not sector aligned\n", |
|
714 |
offset); |
|
715 |
return 0; |
|
716 |
} |
|
717 |
|
|
718 |
if (count & 0x1ff) { |
|
719 |
printf("count %d is not sector aligned\n", |
|
720 |
count); |
|
721 |
return 0; |
|
722 |
} |
|
723 |
} |
|
724 |
|
|
725 |
buf = qemu_io_alloc(count, pattern); |
|
726 |
|
|
727 |
gettimeofday(&t1, NULL); |
|
728 |
if (pflag) |
|
729 |
cnt = do_pwrite(buf, offset, count, &total); |
|
730 |
else if (bflag) |
|
731 |
cnt = do_save_vmstate(buf, offset, count, &total); |
|
732 |
else |
|
733 |
cnt = do_write(buf, offset, count, &total); |
|
734 |
gettimeofday(&t2, NULL); |
|
735 |
|
|
736 |
if (cnt < 0) { |
|
737 |
printf("write failed: %s\n", strerror(-cnt)); |
|
738 |
goto out; |
|
739 |
} |
|
740 |
|
|
741 |
if (qflag) |
|
742 |
goto out; |
|
743 |
|
|
744 |
/* Finally, report back -- -C gives a parsable format */ |
|
745 |
t2 = tsub(t2, t1); |
|
746 |
print_report("wrote", &t2, offset, count, total, cnt, Cflag); |
|
669 |
struct timeval t1, t2; |
|
670 |
int Cflag = 0, pflag = 0, qflag = 0, bflag = 0; |
|
671 |
int c, cnt; |
|
672 |
char *buf; |
|
673 |
int64_t offset; |
|
674 |
int count; |
|
675 |
/* Some compilers get confused and warn if this is not initialized. */ |
|
676 |
int total = 0; |
|
677 |
int pattern = 0xcd; |
|
678 |
|
|
679 |
while ((c = getopt(argc, argv, "bCpP:q")) != EOF) { |
|
680 |
switch (c) { |
|
681 |
case 'b': |
|
682 |
bflag = 1; |
|
683 |
break; |
|
684 |
case 'C': |
|
685 |
Cflag = 1; |
|
686 |
break; |
|
687 |
case 'p': |
|
688 |
pflag = 1; |
|
689 |
break; |
|
690 |
case 'P': |
|
691 |
pattern = parse_pattern(optarg); |
|
692 |
if (pattern < 0) { |
|
693 |
return 0; |
|
694 |
} |
|
695 |
break; |
|
696 |
case 'q': |
|
697 |
qflag = 1; |
|
698 |
break; |
|
699 |
default: |
|
700 |
return command_usage(&write_cmd); |
|
701 |
} |
|
702 |
} |
|
703 |
|
|
704 |
if (optind != argc - 2) { |
|
705 |
return command_usage(&write_cmd); |
|
706 |
} |
|
707 |
|
|
708 |
if (bflag && pflag) { |
|
709 |
printf("-b and -p cannot be specified at the same time\n"); |
|
710 |
return 0; |
|
711 |
} |
|
712 |
|
|
713 |
offset = cvtnum(argv[optind]); |
|
714 |
if (offset < 0) { |
|
715 |
printf("non-numeric length argument -- %s\n", argv[optind]); |
|
716 |
return 0; |
|
717 |
} |
|
718 |
|
|
719 |
optind++; |
|
720 |
count = cvtnum(argv[optind]); |
|
721 |
if (count < 0) { |
|
722 |
printf("non-numeric length argument -- %s\n", argv[optind]); |
|
723 |
return 0; |
|
724 |
} |
|
725 |
|
|
726 |
if (!pflag) { |
|
727 |
if (offset & 0x1ff) { |
|
728 |
printf("offset %" PRId64 " is not sector aligned\n", |
|
729 |
offset); |
|
730 |
return 0; |
|
731 |
} |
|
732 |
|
|
733 |
if (count & 0x1ff) { |
|
734 |
printf("count %d is not sector aligned\n", |
|
735 |
count); |
|
736 |
return 0; |
|
737 |
} |
|
738 |
} |
|
739 |
|
|
740 |
buf = qemu_io_alloc(count, pattern); |
|
741 |
|
|
742 |
gettimeofday(&t1, NULL); |
|
743 |
if (pflag) { |
|
744 |
cnt = do_pwrite(buf, offset, count, &total); |
|
745 |
} else if (bflag) { |
|
746 |
cnt = do_save_vmstate(buf, offset, count, &total); |
|
747 |
} else { |
|
748 |
cnt = do_write(buf, offset, count, &total); |
|
749 |
} |
|
750 |
gettimeofday(&t2, NULL); |
|
751 |
|
|
752 |
if (cnt < 0) { |
|
753 |
printf("write failed: %s\n", strerror(-cnt)); |
|
754 |
goto out; |
|
755 |
} |
|
756 |
|
|
757 |
if (qflag) { |
|
758 |
goto out; |
|
759 |
} |
|
760 |
|
|
761 |
/* Finally, report back -- -C gives a parsable format */ |
|
762 |
t2 = tsub(t2, t1); |
|
763 |
print_report("wrote", &t2, offset, count, total, cnt, Cflag); |
|
747 | 764 |
|
748 | 765 |
out: |
749 |
qemu_io_free(buf);
|
|
766 |
qemu_io_free(buf);
|
|
750 | 767 |
|
751 |
return 0;
|
|
768 |
return 0;
|
|
752 | 769 |
} |
753 | 770 |
|
754 | 771 |
static void |
755 | 772 |
writev_help(void) |
756 | 773 |
{ |
757 |
printf(
|
|
774 |
printf(
|
|
758 | 775 |
"\n" |
759 | 776 |
" writes a range of bytes from the given offset source from multiple buffers\n" |
760 | 777 |
"\n" |
... | ... | |
772 | 789 |
static int writev_f(int argc, char **argv); |
773 | 790 |
|
774 | 791 |
static const cmdinfo_t writev_cmd = { |
775 |
.name = "writev",
|
|
776 |
.cfunc = writev_f,
|
|
777 |
.argmin = 2,
|
|
778 |
.argmax = -1,
|
|
779 |
.args = "[-Cq] [-P pattern ] off len [len..]",
|
|
780 |
.oneline = "writes a number of bytes at a specified offset",
|
|
781 |
.help = writev_help,
|
|
792 |
.name = "writev",
|
|
793 |
.cfunc = writev_f,
|
|
794 |
.argmin = 2,
|
|
795 |
.argmax = -1,
|
|
796 |
.args = "[-Cq] [-P pattern ] off len [len..]",
|
|
797 |
.oneline = "writes a number of bytes at a specified offset",
|
|
798 |
.help = writev_help,
|
|
782 | 799 |
}; |
783 | 800 |
|
784 |
static int |
|
785 |
writev_f(int argc, char **argv) |
|
801 |
static int writev_f(int argc, char **argv) |
|
786 | 802 |
{ |
787 |
struct timeval t1, t2; |
|
788 |
int Cflag = 0, qflag = 0; |
|
789 |
int c, cnt; |
|
790 |
char *buf; |
|
791 |
int64_t offset; |
|
792 |
/* Some compilers get confused and warn if this is not initialized. */ |
|
793 |
int total = 0; |
|
794 |
int nr_iov; |
|
795 |
int pattern = 0xcd; |
|
796 |
QEMUIOVector qiov; |
|
797 |
|
|
798 |
while ((c = getopt(argc, argv, "CqP:")) != EOF) { |
|
799 |
switch (c) { |
|
800 |
case 'C': |
|
801 |
Cflag = 1; |
|
802 |
break; |
|
803 |
case 'q': |
|
804 |
qflag = 1; |
|
805 |
break; |
|
806 |
case 'P': |
|
807 |
pattern = parse_pattern(optarg); |
|
808 |
if (pattern < 0) |
|
809 |
return 0; |
|
810 |
break; |
|
811 |
default: |
|
812 |
return command_usage(&writev_cmd); |
|
813 |
} |
|
814 |
} |
|
815 |
|
|
816 |
if (optind > argc - 2) |
|
817 |
return command_usage(&writev_cmd); |
|
818 |
|
|
819 |
offset = cvtnum(argv[optind]); |
|
820 |
if (offset < 0) { |
|
821 |
printf("non-numeric length argument -- %s\n", argv[optind]); |
|
822 |
return 0; |
|
823 |
} |
|
824 |
optind++; |
|
825 |
|
|
826 |
if (offset & 0x1ff) { |
|
827 |
printf("offset %" PRId64 " is not sector aligned\n", |
|
828 |
offset); |
|
829 |
return 0; |
|
830 |
} |
|
831 |
|
|
832 |
nr_iov = argc - optind; |
|
833 |
buf = create_iovec(&qiov, &argv[optind], nr_iov, pattern); |
|
834 |
|
|
835 |
gettimeofday(&t1, NULL); |
|
836 |
cnt = do_aio_writev(&qiov, offset, &total); |
|
837 |
gettimeofday(&t2, NULL); |
|
838 |
|
|
839 |
if (cnt < 0) { |
|
840 |
printf("writev failed: %s\n", strerror(-cnt)); |
|
841 |
goto out; |
|
842 |
} |
|
843 |
|
|
844 |
if (qflag) |
|
845 |
goto out; |
|
846 |
|
|
847 |
/* Finally, report back -- -C gives a parsable format */ |
|
848 |
t2 = tsub(t2, t1); |
|
849 |
print_report("wrote", &t2, offset, qiov.size, total, cnt, Cflag); |
|
803 |
struct timeval t1, t2; |
|
804 |
int Cflag = 0, qflag = 0; |
|
805 |
int c, cnt; |
|
806 |
char *buf; |
|
807 |
int64_t offset; |
|
808 |
/* Some compilers get confused and warn if this is not initialized. */ |
|
809 |
int total = 0; |
|
810 |
int nr_iov; |
|
811 |
int pattern = 0xcd; |
|
812 |
QEMUIOVector qiov; |
|
813 |
|
|
814 |
while ((c = getopt(argc, argv, "CqP:")) != EOF) { |
|
815 |
switch (c) { |
|
816 |
case 'C': |
|
817 |
Cflag = 1; |
|
818 |
break; |
|
819 |
case 'q': |
|
820 |
qflag = 1; |
|
821 |
break; |
|
822 |
case 'P': |
|
823 |
pattern = parse_pattern(optarg); |
|
824 |
if (pattern < 0) { |
|
825 |
return 0; |
|
826 |
} |
|
827 |
break; |
|
828 |
default: |
|
829 |
return command_usage(&writev_cmd); |
|
830 |
} |
|
831 |
} |
|
832 |
|
|
833 |
if (optind > argc - 2) { |
|
834 |
return command_usage(&writev_cmd); |
|
835 |
} |
|
836 |
|
|
837 |
offset = cvtnum(argv[optind]); |
|
838 |
if (offset < 0) { |
|
839 |
printf("non-numeric length argument -- %s\n", argv[optind]); |
|
840 |
return 0; |
|
841 |
} |
|
842 |
optind++; |
|
843 |
|
|
844 |
if (offset & 0x1ff) { |
|
845 |
printf("offset %" PRId64 " is not sector aligned\n", |
|
846 |
offset); |
|
847 |
return 0; |
|
848 |
} |
|
849 |
|
|
850 |
nr_iov = argc - optind; |
|
851 |
buf = create_iovec(&qiov, &argv[optind], nr_iov, pattern); |
|
852 |
|
|
853 |
gettimeofday(&t1, NULL); |
|
854 |
cnt = do_aio_writev(&qiov, offset, &total); |
|
855 |
gettimeofday(&t2, NULL); |
|
856 |
|
|
857 |
if (cnt < 0) { |
|
858 |
printf("writev failed: %s\n", strerror(-cnt)); |
|
859 |
goto out; |
|
860 |
} |
|
861 |
|
|
862 |
if (qflag) { |
|
863 |
goto out; |
|
864 |
} |
|
865 |
|
|
866 |
/* Finally, report back -- -C gives a parsable format */ |
|
867 |
t2 = tsub(t2, t1); |
|
868 |
print_report("wrote", &t2, offset, qiov.size, total, cnt, Cflag); |
|
850 | 869 |
out: |
851 |
qemu_io_free(buf);
|
|
852 |
return 0;
|
|
870 |
qemu_io_free(buf);
|
|
871 |
return 0;
|
|
853 | 872 |
} |
854 | 873 |
|
855 |
static void |
|
856 |
multiwrite_help(void) |
|
874 |
static void multiwrite_help(void) |
|
857 | 875 |
{ |
858 |
printf(
|
|
876 |
printf(
|
|
859 | 877 |
"\n" |
860 | 878 |
" writes a range of bytes from the given offset source from multiple buffers,\n" |
861 | 879 |
" in a batch of requests that may be merged by qemu\n" |
... | ... | |
876 | 894 |
static int multiwrite_f(int argc, char **argv); |
877 | 895 |
|
878 | 896 |
static const cmdinfo_t multiwrite_cmd = { |
879 |
.name = "multiwrite",
|
|
880 |
.cfunc = multiwrite_f,
|
|
881 |
.argmin = 2,
|
|
882 |
.argmax = -1,
|
|
883 |
.args = "[-Cq] [-P pattern ] off len [len..] [; off len [len..]..]",
|
|
884 |
.oneline = "issues multiple write requests at once",
|
|
885 |
.help = multiwrite_help,
|
|
897 |
.name = "multiwrite",
|
|
898 |
.cfunc = multiwrite_f,
|
|
899 |
.argmin = 2,
|
|
900 |
.argmax = -1,
|
|
901 |
.args = "[-Cq] [-P pattern ] off len [len..] [; off len [len..]..]",
|
|
902 |
.oneline = "issues multiple write requests at once",
|
|
903 |
.help = multiwrite_help,
|
|
886 | 904 |
}; |
887 | 905 |
|
888 |
static int |
|
889 |
multiwrite_f(int argc, char **argv) |
|
906 |
static int multiwrite_f(int argc, char **argv) |
|
890 | 907 |
{ |
891 |
struct timeval t1, t2; |
|
892 |
int Cflag = 0, qflag = 0; |
|
893 |
int c, cnt; |
|
894 |
char **buf; |
|
895 |
int64_t offset, first_offset = 0; |
|
896 |
/* Some compilers get confused and warn if this is not initialized. */ |
|
897 |
int total = 0; |
|
898 |
int nr_iov; |
|
899 |
int nr_reqs; |
|
900 |
int pattern = 0xcd; |
|
901 |
QEMUIOVector *qiovs; |
|
902 |
int i; |
|
903 |
BlockRequest *reqs; |
|
904 |
|
|
905 |
while ((c = getopt(argc, argv, "CqP:")) != EOF) { |
|
906 |
switch (c) { |
|
907 |
case 'C': |
|
908 |
Cflag = 1; |
|
909 |
break; |
|
910 |
case 'q': |
|
911 |
qflag = 1; |
|
912 |
break; |
|
913 |
case 'P': |
|
914 |
pattern = parse_pattern(optarg); |
|
915 |
if (pattern < 0) |
|
916 |
return 0; |
|
917 |
break; |
|
918 |
default: |
|
919 |
return command_usage(&writev_cmd); |
|
920 |
} |
|
921 |
} |
|
922 |
|
|
923 |
if (optind > argc - 2) |
|
924 |
return command_usage(&writev_cmd); |
|
925 |
|
|
926 |
nr_reqs = 1; |
|
927 |
for (i = optind; i < argc; i++) { |
|
928 |
if (!strcmp(argv[i], ";")) { |
|
929 |
nr_reqs++; |
|
930 |
} |
|
931 |
} |
|
932 |
|
|
933 |
reqs = qemu_malloc(nr_reqs * sizeof(*reqs)); |
|
934 |
buf = qemu_malloc(nr_reqs * sizeof(*buf)); |
|
935 |
qiovs = qemu_malloc(nr_reqs * sizeof(*qiovs)); |
|
936 |
|
|
937 |
for (i = 0; i < nr_reqs; i++) { |
|
938 |
int j; |
|
939 |
|
|
940 |
/* Read the offset of the request */ |
|
941 |
offset = cvtnum(argv[optind]); |
|
942 |
if (offset < 0) { |
|
943 |
printf("non-numeric offset argument -- %s\n", argv[optind]); |
|
944 |
return 0; |
|
945 |
} |
|
946 |
optind++; |
|
947 |
|
|
948 |
if (offset & 0x1ff) { |
|
949 |
printf("offset %lld is not sector aligned\n", |
|
950 |
(long long)offset); |
|
951 |
return 0; |
|
952 |
} |
|
908 |
struct timeval t1, t2; |
|
909 |
int Cflag = 0, qflag = 0; |
Also available in: Unified diff