Merge branch 'libpmemblk' of https://github.com/bgbhpe/fio
[fio.git] / t / verify-state.c
1 /*
2  * Dump the contents of a verify state file in plain text
3  */
4 #include <sys/types.h>
5 #include <sys/stat.h>
6 #include <stdio.h>
7 #include <stdlib.h>
8 #include <unistd.h>
9 #include <errno.h>
10 #include <fcntl.h>
11 #include <string.h>
12 #include "../log.h"
13 #include "../os/os.h"
14 #include "../verify-state.h"
15 #include "../crc/crc32c.h"
16 #include "debug.h"
17
18 static void show_s(struct thread_io_list *s, unsigned int no_s)
19 {
20         int i;
21
22         printf("Thread:\t\t%u\n", no_s);
23         printf("Name:\t\t%s\n", s->name);
24         printf("Completions:\t%llu\n", (unsigned long long) s->no_comps);
25         printf("Depth:\t\t%llu\n", (unsigned long long) s->depth);
26         printf("Number IOs:\t%llu\n", (unsigned long long) s->numberio);
27         printf("Index:\t\t%llu\n", (unsigned long long) s->index);
28
29         printf("Completions:\n");
30         if (!s->no_comps)
31                 return;
32         for (i = s->no_comps - 1; i >= 0; i--) {
33                 printf("\t(file=%2llu) %llu\n",
34                                 (unsigned long long) s->comps[i].fileno,
35                                 (unsigned long long) s->comps[i].offset);
36         }
37 }
38
39 static void show(struct thread_io_list *s, size_t size)
40 {
41         int no_s;
42
43         no_s = 0;
44         do {
45                 int i;
46
47                 s->no_comps = le64_to_cpu(s->no_comps);
48                 s->depth = le32_to_cpu(s->depth);
49                 s->nofiles = le32_to_cpu(s->nofiles);
50                 s->numberio = le64_to_cpu(s->numberio);
51                 s->index = le64_to_cpu(s->index);
52
53                 for (i = 0; i < s->no_comps; i++) {
54                         s->comps[i].fileno = le64_to_cpu(s->comps[i].fileno);
55                         s->comps[i].offset = le64_to_cpu(s->comps[i].offset);
56                 }
57
58                 show_s(s, no_s);
59                 no_s++;
60                 size -= __thread_io_list_sz(s->depth, s->nofiles);
61                 s = (void *) s + __thread_io_list_sz(s->depth, s->nofiles);
62         } while (size != 0);
63 }
64
65 static void show_verify_state(void *buf, size_t size)
66 {
67         struct verify_state_hdr *hdr = buf;
68         struct thread_io_list *s;
69         uint32_t crc;
70
71         hdr->version = le64_to_cpu(hdr->version);
72         hdr->size = le64_to_cpu(hdr->size);
73         hdr->crc = le64_to_cpu(hdr->crc);
74
75         printf("Version:\t0x%x\n", (unsigned int) hdr->version);
76         printf("Size:\t\t%u\n", (unsigned int) hdr->size);
77         printf("CRC:\t\t0x%x\n", (unsigned int) hdr->crc);
78
79         size -= sizeof(*hdr);
80         if (hdr->size != size) {
81                 log_err("Size mismatch\n");
82                 return;
83         }
84
85         s = buf + sizeof(*hdr);
86         crc = fio_crc32c((unsigned char *) s, hdr->size);
87         if (crc != hdr->crc) {
88                 log_err("crc mismatch %x != %x\n", crc, (unsigned int) hdr->crc);
89                 return;
90         }
91
92         if (hdr->version == 0x03)
93                 show(s, size);
94         else
95                 log_err("Unsupported version %d\n", (int) hdr->version);
96 }
97
98 static int show_file(const char *file)
99 {
100         struct stat sb;
101         void *buf;
102         int ret, fd;
103
104         fd = open(file, O_RDONLY);
105         if (fd < 0) {
106                 log_err("open %s: %s\n", file, strerror(errno));
107                 return 1;
108         }
109
110         if (fstat(fd, &sb) < 0) {
111                 log_err("stat: %s\n", strerror(errno));
112                 close(fd);
113                 return 1;
114         }
115
116         buf = malloc(sb.st_size);
117         ret = read(fd, buf, sb.st_size);
118         if (ret < 0) {
119                 log_err("read: %s\n", strerror(errno));
120                 close(fd);
121                 return 1;
122         } else if (ret != sb.st_size) {
123                 log_err("Short read\n");
124                 close(fd);
125                 return 1;
126         }
127
128         close(fd);
129         show_verify_state(buf, sb.st_size);
130
131         free(buf);
132         return 0;
133 }
134
135 int main(int argc, char *argv[])
136 {
137         int i, ret;
138
139         debug_init();
140
141         if (argc < 2) {
142                 log_err("Usage: %s <state file>\n", argv[0]);
143                 return 1;
144         }
145
146         ret = 0;
147         for (i = 1; i < argc; i++) {
148                 ret = show_file(argv[i]);
149                 if (ret)
150                         break;
151         }
152
153         return ret;
154 }