| 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 %u, %s\n", no_s, s->name); |
| 23 | printf("Completions: %lu\n", s->no_comps); |
| 24 | printf("Depth: %lu\n", s->depth); |
| 25 | printf("Number IOs: %lu\n", s->numberio); |
| 26 | printf("Index: %lu\n", s->index); |
| 27 | |
| 28 | printf("Completions:\n"); |
| 29 | for (i = 0; i < s->no_comps; i++) |
| 30 | printf("\t%lu\n", s->offsets[i]); |
| 31 | } |
| 32 | |
| 33 | static void show_verify_state(void *buf, size_t size) |
| 34 | { |
| 35 | struct verify_state_hdr *hdr = buf; |
| 36 | struct thread_io_list *s; |
| 37 | uint32_t crc; |
| 38 | int no_s; |
| 39 | |
| 40 | hdr->version = le64_to_cpu(hdr->version); |
| 41 | hdr->size = le64_to_cpu(hdr->size); |
| 42 | hdr->crc = le64_to_cpu(hdr->crc); |
| 43 | |
| 44 | printf("Version: %x, Size %u, crc %x\n", (unsigned int) hdr->version, |
| 45 | (unsigned int) hdr->size, |
| 46 | (unsigned int) hdr->crc); |
| 47 | |
| 48 | size -= sizeof(*hdr); |
| 49 | if (hdr->size != size) { |
| 50 | log_err("Size mismatch\n"); |
| 51 | return; |
| 52 | } |
| 53 | |
| 54 | s = buf + sizeof(*hdr); |
| 55 | crc = fio_crc32c((unsigned char *) s, hdr->size); |
| 56 | if (crc != hdr->crc) { |
| 57 | log_err("crc mismatch %x != %x\n", crc, (unsigned int) hdr->crc); |
| 58 | return; |
| 59 | } |
| 60 | |
| 61 | if (hdr->version != 0x02) { |
| 62 | log_err("Can only handle version 2 headers\n"); |
| 63 | return; |
| 64 | } |
| 65 | |
| 66 | no_s = 0; |
| 67 | do { |
| 68 | int i; |
| 69 | |
| 70 | s->no_comps = le64_to_cpu(s->no_comps); |
| 71 | s->depth = le64_to_cpu(s->depth); |
| 72 | s->numberio = le64_to_cpu(s->numberio); |
| 73 | s->index = le64_to_cpu(s->index); |
| 74 | |
| 75 | for (i = 0; i < s->no_comps; i++) |
| 76 | s->offsets[i] = le64_to_cpu(s->offsets[i]); |
| 77 | |
| 78 | show_s(s, no_s); |
| 79 | no_s++; |
| 80 | size -= __thread_io_list_sz(s->depth); |
| 81 | s = (void *) s + __thread_io_list_sz(s->depth); |
| 82 | } while (size != 0); |
| 83 | } |
| 84 | |
| 85 | int main(int argc, char *argv[]) |
| 86 | { |
| 87 | struct stat sb; |
| 88 | void *buf; |
| 89 | int ret, fd; |
| 90 | |
| 91 | debug_init(); |
| 92 | |
| 93 | if (argc < 2) { |
| 94 | log_err("Usage: %s <state file>\n", argv[0]); |
| 95 | return 1; |
| 96 | } |
| 97 | |
| 98 | fd = open(argv[1], O_RDONLY); |
| 99 | if (fd < 0) { |
| 100 | log_err("open %s: %s\n", argv[1], strerror(errno)); |
| 101 | return 1; |
| 102 | } |
| 103 | |
| 104 | if (fstat(fd, &sb) < 0) { |
| 105 | log_err("stat: %s\n", strerror(errno)); |
| 106 | close(fd); |
| 107 | return 1; |
| 108 | } |
| 109 | |
| 110 | buf = malloc(sb.st_size); |
| 111 | ret = read(fd, buf, sb.st_size); |
| 112 | if (ret < 0) { |
| 113 | log_err("read: %s\n", strerror(errno)); |
| 114 | close(fd); |
| 115 | return 1; |
| 116 | } else if (ret != sb.st_size) { |
| 117 | log_err("Short read\n"); |
| 118 | close(fd); |
| 119 | return 1; |
| 120 | } |
| 121 | |
| 122 | close(fd); |
| 123 | show_verify_state(buf, sb.st_size); |
| 124 | |
| 125 | free(buf); |
| 126 | return 0; |
| 127 | } |