Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 1 | #include <linux/types.h> |
| 2 | #include "event.h" |
| 3 | #include "debug.h" |
Arnaldo Carvalho de Melo | ec91336 | 2009-12-13 19:50:27 -0200 | [diff] [blame] | 4 | #include "session.h" |
Arnaldo Carvalho de Melo | c410a33 | 2009-12-15 20:04:41 -0200 | [diff] [blame] | 5 | #include "sort.h" |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 6 | #include "string.h" |
Arnaldo Carvalho de Melo | c410a33 | 2009-12-15 20:04:41 -0200 | [diff] [blame] | 7 | #include "strlist.h" |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 8 | #include "thread.h" |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 9 | |
Thomas Gleixner | 3835bc0 | 2010-12-07 12:48:42 +0000 | [diff] [blame^] | 10 | static const char *event__name[] = { |
Arnaldo Carvalho de Melo | c8446b9 | 2010-05-14 10:36:42 -0300 | [diff] [blame] | 11 | [0] = "TOTAL", |
| 12 | [PERF_RECORD_MMAP] = "MMAP", |
| 13 | [PERF_RECORD_LOST] = "LOST", |
| 14 | [PERF_RECORD_COMM] = "COMM", |
| 15 | [PERF_RECORD_EXIT] = "EXIT", |
| 16 | [PERF_RECORD_THROTTLE] = "THROTTLE", |
| 17 | [PERF_RECORD_UNTHROTTLE] = "UNTHROTTLE", |
| 18 | [PERF_RECORD_FORK] = "FORK", |
| 19 | [PERF_RECORD_READ] = "READ", |
| 20 | [PERF_RECORD_SAMPLE] = "SAMPLE", |
| 21 | [PERF_RECORD_HEADER_ATTR] = "ATTR", |
| 22 | [PERF_RECORD_HEADER_EVENT_TYPE] = "EVENT_TYPE", |
| 23 | [PERF_RECORD_HEADER_TRACING_DATA] = "TRACING_DATA", |
| 24 | [PERF_RECORD_HEADER_BUILD_ID] = "BUILD_ID", |
Thomas Gleixner | 3835bc0 | 2010-12-07 12:48:42 +0000 | [diff] [blame^] | 25 | [PERF_RECORD_FINISHED_ROUND] = "FINISHED_ROUND", |
Arnaldo Carvalho de Melo | c8446b9 | 2010-05-14 10:36:42 -0300 | [diff] [blame] | 26 | }; |
| 27 | |
Thomas Gleixner | 3835bc0 | 2010-12-07 12:48:42 +0000 | [diff] [blame^] | 28 | const char *event__get_event_name(unsigned int id) |
| 29 | { |
| 30 | if (id >= ARRAY_SIZE(event__name)) |
| 31 | return "INVALID"; |
| 32 | if (!event__name[id]) |
| 33 | return "UNKNOWN"; |
| 34 | return event__name[id]; |
| 35 | } |
| 36 | |
Arnaldo Carvalho de Melo | 640c03c | 2010-12-02 14:10:21 -0200 | [diff] [blame] | 37 | static struct sample_data synth_sample = { |
| 38 | .pid = -1, |
| 39 | .tid = -1, |
| 40 | .time = -1, |
| 41 | .stream_id = -1, |
| 42 | .cpu = -1, |
| 43 | .period = 1, |
| 44 | }; |
| 45 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 46 | static pid_t event__synthesize_comm(event_t *event, pid_t pid, int full, |
Arnaldo Carvalho de Melo | cf55311 | 2010-01-07 19:59:40 -0200 | [diff] [blame] | 47 | event__handler_t process, |
Arnaldo Carvalho de Melo | d8f6624 | 2009-12-13 19:50:24 -0200 | [diff] [blame] | 48 | struct perf_session *session) |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 49 | { |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 50 | char filename[PATH_MAX]; |
| 51 | char bf[BUFSIZ]; |
| 52 | FILE *fp; |
| 53 | size_t size = 0; |
| 54 | DIR *tasks; |
| 55 | struct dirent dirent, *next; |
| 56 | pid_t tgid = 0; |
| 57 | |
| 58 | snprintf(filename, sizeof(filename), "/proc/%d/status", pid); |
| 59 | |
| 60 | fp = fopen(filename, "r"); |
| 61 | if (fp == NULL) { |
| 62 | out_race: |
| 63 | /* |
| 64 | * We raced with a task exiting - just return: |
| 65 | */ |
| 66 | pr_debug("couldn't open %s\n", filename); |
| 67 | return 0; |
| 68 | } |
| 69 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 70 | memset(&event->comm, 0, sizeof(event->comm)); |
| 71 | |
| 72 | while (!event->comm.comm[0] || !event->comm.pid) { |
| 73 | if (fgets(bf, sizeof(bf), fp) == NULL) { |
| 74 | pr_warning("couldn't get COMM and pgid, malformed %s\n", filename); |
| 75 | goto out; |
| 76 | } |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 77 | |
| 78 | if (memcmp(bf, "Name:", 5) == 0) { |
| 79 | char *name = bf + 5; |
| 80 | while (*name && isspace(*name)) |
| 81 | ++name; |
| 82 | size = strlen(name) - 1; |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 83 | memcpy(event->comm.comm, name, size++); |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 84 | } else if (memcmp(bf, "Tgid:", 5) == 0) { |
| 85 | char *tgids = bf + 5; |
| 86 | while (*tgids && isspace(*tgids)) |
| 87 | ++tgids; |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 88 | tgid = event->comm.pid = atoi(tgids); |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 89 | } |
| 90 | } |
| 91 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 92 | event->comm.header.type = PERF_RECORD_COMM; |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 93 | size = ALIGN(size, sizeof(u64)); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 94 | memset(event->comm.comm + size, 0, session->id_hdr_size); |
| 95 | event->comm.header.size = (sizeof(event->comm) - |
| 96 | (sizeof(event->comm.comm) - size) + |
| 97 | session->id_hdr_size); |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 98 | if (!full) { |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 99 | event->comm.tid = pid; |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 100 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 101 | process(event, &synth_sample, session); |
| 102 | goto out; |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 103 | } |
| 104 | |
| 105 | snprintf(filename, sizeof(filename), "/proc/%d/task", pid); |
| 106 | |
| 107 | tasks = opendir(filename); |
| 108 | if (tasks == NULL) |
| 109 | goto out_race; |
| 110 | |
| 111 | while (!readdir_r(tasks, &dirent, &next) && next) { |
| 112 | char *end; |
| 113 | pid = strtol(dirent.d_name, &end, 10); |
| 114 | if (*end) |
| 115 | continue; |
| 116 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 117 | event->comm.tid = pid; |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 118 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 119 | process(event, &synth_sample, session); |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 120 | } |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 121 | |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 122 | closedir(tasks); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 123 | out: |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 124 | fclose(fp); |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 125 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 126 | return tgid; |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 127 | } |
| 128 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 129 | static int event__synthesize_mmap_events(event_t *event, pid_t pid, pid_t tgid, |
Arnaldo Carvalho de Melo | cf55311 | 2010-01-07 19:59:40 -0200 | [diff] [blame] | 130 | event__handler_t process, |
Arnaldo Carvalho de Melo | d8f6624 | 2009-12-13 19:50:24 -0200 | [diff] [blame] | 131 | struct perf_session *session) |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 132 | { |
| 133 | char filename[PATH_MAX]; |
| 134 | FILE *fp; |
| 135 | |
| 136 | snprintf(filename, sizeof(filename), "/proc/%d/maps", pid); |
| 137 | |
| 138 | fp = fopen(filename, "r"); |
| 139 | if (fp == NULL) { |
| 140 | /* |
| 141 | * We raced with a task exiting - just return: |
| 142 | */ |
| 143 | pr_debug("couldn't open %s\n", filename); |
| 144 | return -1; |
| 145 | } |
| 146 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 147 | event->header.type = PERF_RECORD_MMAP; |
| 148 | /* |
| 149 | * Just like the kernel, see __perf_event_mmap in kernel/perf_event.c |
| 150 | */ |
| 151 | event->header.misc = PERF_RECORD_MISC_USER; |
| 152 | |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 153 | while (1) { |
| 154 | char bf[BUFSIZ], *pbf = bf; |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 155 | int n; |
| 156 | size_t size; |
| 157 | if (fgets(bf, sizeof(bf), fp) == NULL) |
| 158 | break; |
| 159 | |
| 160 | /* 00400000-0040c000 r-xp 00000000 fd:01 41038 /bin/cat */ |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 161 | n = hex2u64(pbf, &event->mmap.start); |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 162 | if (n < 0) |
| 163 | continue; |
| 164 | pbf += n + 1; |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 165 | n = hex2u64(pbf, &event->mmap.len); |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 166 | if (n < 0) |
| 167 | continue; |
| 168 | pbf += n + 3; |
| 169 | if (*pbf == 'x') { /* vm_exec */ |
| 170 | char *execname = strchr(bf, '/'); |
| 171 | |
| 172 | /* Catch VDSO */ |
| 173 | if (execname == NULL) |
| 174 | execname = strstr(bf, "[vdso]"); |
| 175 | |
| 176 | if (execname == NULL) |
| 177 | continue; |
| 178 | |
Anton Blanchard | 4af8b35 | 2010-04-03 22:53:31 +1100 | [diff] [blame] | 179 | pbf += 3; |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 180 | n = hex2u64(pbf, &event->mmap.pgoff); |
Anton Blanchard | 4af8b35 | 2010-04-03 22:53:31 +1100 | [diff] [blame] | 181 | |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 182 | size = strlen(execname); |
| 183 | execname[size - 1] = '\0'; /* Remove \n */ |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 184 | memcpy(event->mmap.filename, execname, size); |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 185 | size = ALIGN(size, sizeof(u64)); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 186 | event->mmap.len -= event->mmap.start; |
| 187 | event->mmap.header.size = (sizeof(event->mmap) - |
| 188 | (sizeof(event->mmap.filename) - size)); |
| 189 | memset(event->mmap.filename + size, 0, session->id_hdr_size); |
| 190 | event->mmap.header.size += session->id_hdr_size; |
| 191 | event->mmap.pid = tgid; |
| 192 | event->mmap.tid = pid; |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 193 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 194 | process(event, &synth_sample, session); |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 195 | } |
| 196 | } |
| 197 | |
| 198 | fclose(fp); |
| 199 | return 0; |
| 200 | } |
| 201 | |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 202 | int event__synthesize_modules(event__handler_t process, |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 203 | struct perf_session *session, |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 204 | struct machine *machine) |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 205 | { |
| 206 | struct rb_node *nd; |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 207 | struct map_groups *kmaps = &machine->kmaps; |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 208 | event_t *event = zalloc(sizeof(event->mmap) + session->id_hdr_size); |
| 209 | |
| 210 | if (event == NULL) { |
| 211 | pr_debug("Not enough memory synthesizing mmap event " |
| 212 | "for kernel modules\n"); |
| 213 | return -1; |
| 214 | } |
| 215 | |
| 216 | event->header.type = PERF_RECORD_MMAP; |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 217 | |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 218 | /* |
| 219 | * kernel uses 0 for user space maps, see kernel/perf_event.c |
| 220 | * __perf_event_mmap |
| 221 | */ |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 222 | if (machine__is_host(machine)) |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 223 | event->header.misc = PERF_RECORD_MISC_KERNEL; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 224 | else |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 225 | event->header.misc = PERF_RECORD_MISC_GUEST_KERNEL; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 226 | |
| 227 | for (nd = rb_first(&kmaps->maps[MAP__FUNCTION]); |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 228 | nd; nd = rb_next(nd)) { |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 229 | size_t size; |
| 230 | struct map *pos = rb_entry(nd, struct map, rb_node); |
| 231 | |
| 232 | if (pos->dso->kernel) |
| 233 | continue; |
| 234 | |
| 235 | size = ALIGN(pos->dso->long_name_len + 1, sizeof(u64)); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 236 | event->mmap.header.type = PERF_RECORD_MMAP; |
| 237 | event->mmap.header.size = (sizeof(event->mmap) - |
| 238 | (sizeof(event->mmap.filename) - size)); |
| 239 | memset(event->mmap.filename + size, 0, session->id_hdr_size); |
| 240 | event->mmap.header.size += session->id_hdr_size; |
| 241 | event->mmap.start = pos->start; |
| 242 | event->mmap.len = pos->end - pos->start; |
| 243 | event->mmap.pid = machine->pid; |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 244 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 245 | memcpy(event->mmap.filename, pos->dso->long_name, |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 246 | pos->dso->long_name_len + 1); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 247 | process(event, &synth_sample, session); |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 248 | } |
| 249 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 250 | free(event); |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 251 | return 0; |
| 252 | } |
| 253 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 254 | static int __event__synthesize_thread(event_t *comm_event, event_t *mmap_event, |
| 255 | pid_t pid, event__handler_t process, |
| 256 | struct perf_session *session) |
| 257 | { |
| 258 | pid_t tgid = event__synthesize_comm(comm_event, pid, 1, process, |
| 259 | session); |
| 260 | if (tgid == -1) |
| 261 | return -1; |
| 262 | return event__synthesize_mmap_events(mmap_event, pid, tgid, |
| 263 | process, session); |
| 264 | } |
| 265 | |
Arnaldo Carvalho de Melo | cf55311 | 2010-01-07 19:59:40 -0200 | [diff] [blame] | 266 | int event__synthesize_thread(pid_t pid, event__handler_t process, |
Arnaldo Carvalho de Melo | d8f6624 | 2009-12-13 19:50:24 -0200 | [diff] [blame] | 267 | struct perf_session *session) |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 268 | { |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 269 | event_t *comm_event, *mmap_event; |
| 270 | int err = -1; |
| 271 | |
| 272 | comm_event = malloc(sizeof(comm_event->comm) + session->id_hdr_size); |
| 273 | if (comm_event == NULL) |
| 274 | goto out; |
| 275 | |
| 276 | mmap_event = malloc(sizeof(mmap_event->mmap) + session->id_hdr_size); |
| 277 | if (mmap_event == NULL) |
| 278 | goto out_free_comm; |
| 279 | |
| 280 | err = __event__synthesize_thread(comm_event, mmap_event, pid, |
| 281 | process, session); |
| 282 | free(mmap_event); |
| 283 | out_free_comm: |
| 284 | free(comm_event); |
| 285 | out: |
| 286 | return err; |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 287 | } |
| 288 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 289 | int event__synthesize_threads(event__handler_t process, |
| 290 | struct perf_session *session) |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 291 | { |
| 292 | DIR *proc; |
| 293 | struct dirent dirent, *next; |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 294 | event_t *comm_event, *mmap_event; |
| 295 | int err = -1; |
| 296 | |
| 297 | comm_event = malloc(sizeof(comm_event->comm) + session->id_hdr_size); |
| 298 | if (comm_event == NULL) |
| 299 | goto out; |
| 300 | |
| 301 | mmap_event = malloc(sizeof(mmap_event->mmap) + session->id_hdr_size); |
| 302 | if (mmap_event == NULL) |
| 303 | goto out_free_comm; |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 304 | |
| 305 | proc = opendir("/proc"); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 306 | if (proc == NULL) |
| 307 | goto out_free_mmap; |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 308 | |
| 309 | while (!readdir_r(proc, &dirent, &next) && next) { |
| 310 | char *end; |
| 311 | pid_t pid = strtol(dirent.d_name, &end, 10); |
| 312 | |
| 313 | if (*end) /* only interested in proper numerical dirents */ |
| 314 | continue; |
| 315 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 316 | __event__synthesize_thread(comm_event, mmap_event, pid, |
| 317 | process, session); |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 318 | } |
| 319 | |
| 320 | closedir(proc); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 321 | err = 0; |
| 322 | out_free_mmap: |
| 323 | free(mmap_event); |
| 324 | out_free_comm: |
| 325 | free(comm_event); |
| 326 | out: |
| 327 | return err; |
Arnaldo Carvalho de Melo | 234fbbf | 2009-10-26 19:23:18 -0200 | [diff] [blame] | 328 | } |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 329 | |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 330 | struct process_symbol_args { |
| 331 | const char *name; |
| 332 | u64 start; |
| 333 | }; |
| 334 | |
| 335 | static int find_symbol_cb(void *arg, const char *name, char type, u64 start) |
| 336 | { |
| 337 | struct process_symbol_args *args = arg; |
| 338 | |
Arnaldo Carvalho de Melo | 881516e | 2010-01-15 18:08:27 -0200 | [diff] [blame] | 339 | /* |
| 340 | * Must be a function or at least an alias, as in PARISC64, where "_text" is |
| 341 | * an 'A' to the same address as "_stext". |
| 342 | */ |
| 343 | if (!(symbol_type__is_a(type, MAP__FUNCTION) || |
| 344 | type == 'A') || strcmp(name, args->name)) |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 345 | return 0; |
| 346 | |
| 347 | args->start = start; |
| 348 | return 1; |
| 349 | } |
| 350 | |
Arnaldo Carvalho de Melo | cf55311 | 2010-01-07 19:59:40 -0200 | [diff] [blame] | 351 | int event__synthesize_kernel_mmap(event__handler_t process, |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 352 | struct perf_session *session, |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 353 | struct machine *machine, |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 354 | const char *symbol_name) |
| 355 | { |
| 356 | size_t size; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 357 | const char *filename, *mmap_name; |
| 358 | char path[PATH_MAX]; |
| 359 | char name_buff[PATH_MAX]; |
| 360 | struct map *map; |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 361 | int err; |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 362 | /* |
| 363 | * We should get this from /sys/kernel/sections/.text, but till that is |
| 364 | * available use this, and after it is use this as a fallback for older |
| 365 | * kernels. |
| 366 | */ |
| 367 | struct process_symbol_args args = { .name = symbol_name, }; |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 368 | event_t *event = zalloc(sizeof(event->mmap) + session->id_hdr_size); |
| 369 | |
| 370 | if (event == NULL) { |
| 371 | pr_debug("Not enough memory synthesizing mmap event " |
| 372 | "for kernel modules\n"); |
| 373 | return -1; |
| 374 | } |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 375 | |
Arnaldo Carvalho de Melo | 48ea8f5 | 2010-04-27 21:19:05 -0300 | [diff] [blame] | 376 | mmap_name = machine__mmap_name(machine, name_buff, sizeof(name_buff)); |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 377 | if (machine__is_host(machine)) { |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 378 | /* |
| 379 | * kernel uses PERF_RECORD_MISC_USER for user space maps, |
| 380 | * see kernel/perf_event.c __perf_event_mmap |
| 381 | */ |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 382 | event->header.misc = PERF_RECORD_MISC_KERNEL; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 383 | filename = "/proc/kallsyms"; |
| 384 | } else { |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 385 | event->header.misc = PERF_RECORD_MISC_GUEST_KERNEL; |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 386 | if (machine__is_default_guest(machine)) |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 387 | filename = (char *) symbol_conf.default_guest_kallsyms; |
| 388 | else { |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 389 | sprintf(path, "%s/proc/kallsyms", machine->root_dir); |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 390 | filename = path; |
| 391 | } |
| 392 | } |
| 393 | |
| 394 | if (kallsyms__parse(filename, &args, find_symbol_cb) <= 0) |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 395 | return -ENOENT; |
| 396 | |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 397 | map = machine->vmlinux_maps[MAP__FUNCTION]; |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 398 | size = snprintf(event->mmap.filename, sizeof(event->mmap.filename), |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 399 | "%s%s", mmap_name, symbol_name) + 1; |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 400 | size = ALIGN(size, sizeof(u64)); |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 401 | event->mmap.header.type = PERF_RECORD_MMAP; |
| 402 | event->mmap.header.size = (sizeof(event->mmap) - |
| 403 | (sizeof(event->mmap.filename) - size) + session->id_hdr_size); |
| 404 | event->mmap.pgoff = args.start; |
| 405 | event->mmap.start = map->start; |
| 406 | event->mmap.len = map->end - event->mmap.start; |
| 407 | event->mmap.pid = machine->pid; |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 408 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 409 | err = process(event, &synth_sample, session); |
| 410 | free(event); |
| 411 | |
| 412 | return err; |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 413 | } |
| 414 | |
Arnaldo Carvalho de Melo | 8a6c5b2 | 2010-07-20 14:42:52 -0300 | [diff] [blame] | 415 | static void thread__comm_adjust(struct thread *self, struct hists *hists) |
Arnaldo Carvalho de Melo | d599db3 | 2009-12-15 20:04:42 -0200 | [diff] [blame] | 416 | { |
| 417 | char *comm = self->comm; |
| 418 | |
| 419 | if (!symbol_conf.col_width_list_str && !symbol_conf.field_sep && |
| 420 | (!symbol_conf.comm_list || |
| 421 | strlist__has_entry(symbol_conf.comm_list, comm))) { |
Arnaldo Carvalho de Melo | 8a6c5b2 | 2010-07-20 14:42:52 -0300 | [diff] [blame] | 422 | u16 slen = strlen(comm); |
Arnaldo Carvalho de Melo | d599db3 | 2009-12-15 20:04:42 -0200 | [diff] [blame] | 423 | |
Arnaldo Carvalho de Melo | 8a6c5b2 | 2010-07-20 14:42:52 -0300 | [diff] [blame] | 424 | if (hists__new_col_len(hists, HISTC_COMM, slen)) |
| 425 | hists__set_col_len(hists, HISTC_THREAD, slen + 6); |
Arnaldo Carvalho de Melo | d599db3 | 2009-12-15 20:04:42 -0200 | [diff] [blame] | 426 | } |
| 427 | } |
| 428 | |
Arnaldo Carvalho de Melo | 8a6c5b2 | 2010-07-20 14:42:52 -0300 | [diff] [blame] | 429 | static int thread__set_comm_adjust(struct thread *self, const char *comm, |
| 430 | struct hists *hists) |
Arnaldo Carvalho de Melo | d599db3 | 2009-12-15 20:04:42 -0200 | [diff] [blame] | 431 | { |
| 432 | int ret = thread__set_comm(self, comm); |
| 433 | |
| 434 | if (ret) |
| 435 | return ret; |
| 436 | |
Arnaldo Carvalho de Melo | 8a6c5b2 | 2010-07-20 14:42:52 -0300 | [diff] [blame] | 437 | thread__comm_adjust(self, hists); |
Arnaldo Carvalho de Melo | d599db3 | 2009-12-15 20:04:42 -0200 | [diff] [blame] | 438 | |
| 439 | return 0; |
| 440 | } |
| 441 | |
Arnaldo Carvalho de Melo | 640c03c | 2010-12-02 14:10:21 -0200 | [diff] [blame] | 442 | int event__process_comm(event_t *self, struct sample_data *sample __used, |
| 443 | struct perf_session *session) |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 444 | { |
Frederic Weisbecker | 13eb04fd | 2010-05-31 23:38:44 +0200 | [diff] [blame] | 445 | struct thread *thread = perf_session__findnew(session, self->comm.tid); |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 446 | |
Frederic Weisbecker | 13eb04fd | 2010-05-31 23:38:44 +0200 | [diff] [blame] | 447 | dump_printf(": %s:%d\n", self->comm.comm, self->comm.tid); |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 448 | |
Arnaldo Carvalho de Melo | 8a6c5b2 | 2010-07-20 14:42:52 -0300 | [diff] [blame] | 449 | if (thread == NULL || thread__set_comm_adjust(thread, self->comm.comm, |
| 450 | &session->hists)) { |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 451 | dump_printf("problem processing PERF_RECORD_COMM, skipping event.\n"); |
| 452 | return -1; |
| 453 | } |
| 454 | |
| 455 | return 0; |
| 456 | } |
| 457 | |
Arnaldo Carvalho de Melo | 640c03c | 2010-12-02 14:10:21 -0200 | [diff] [blame] | 458 | int event__process_lost(event_t *self, struct sample_data *sample __used, |
| 459 | struct perf_session *session) |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 460 | { |
| 461 | dump_printf(": id:%Ld: lost:%Ld\n", self->lost.id, self->lost.lost); |
Arnaldo Carvalho de Melo | cee75ac | 2010-05-14 13:16:55 -0300 | [diff] [blame] | 462 | session->hists.stats.total_lost += self->lost.lost; |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 463 | return 0; |
| 464 | } |
| 465 | |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 466 | static void event_set_kernel_mmap_len(struct map **maps, event_t *self) |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 467 | { |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 468 | maps[MAP__FUNCTION]->start = self->mmap.start; |
| 469 | maps[MAP__FUNCTION]->end = self->mmap.start + self->mmap.len; |
| 470 | /* |
| 471 | * Be a bit paranoid here, some perf.data file came with |
| 472 | * a zero sized synthesized MMAP event for the kernel. |
| 473 | */ |
| 474 | if (maps[MAP__FUNCTION]->end == 0) |
Ian Munsie | 9d1faba | 2010-11-25 15:12:53 +1100 | [diff] [blame] | 475 | maps[MAP__FUNCTION]->end = ~0ULL; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 476 | } |
| 477 | |
| 478 | static int event__process_kernel_mmap(event_t *self, |
| 479 | struct perf_session *session) |
| 480 | { |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 481 | struct map *map; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 482 | char kmmap_prefix[PATH_MAX]; |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 483 | struct machine *machine; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 484 | enum dso_kernel_type kernel_type; |
| 485 | bool is_kernel_mmap; |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 486 | |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 487 | machine = perf_session__findnew_machine(session, self->mmap.pid); |
| 488 | if (!machine) { |
| 489 | pr_err("Can't find id %d's machine\n", self->mmap.pid); |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 490 | goto out_problem; |
| 491 | } |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 492 | |
Arnaldo Carvalho de Melo | 48ea8f5 | 2010-04-27 21:19:05 -0300 | [diff] [blame] | 493 | machine__mmap_name(machine, kmmap_prefix, sizeof(kmmap_prefix)); |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 494 | if (machine__is_host(machine)) |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 495 | kernel_type = DSO_TYPE_KERNEL; |
| 496 | else |
| 497 | kernel_type = DSO_TYPE_GUEST_KERNEL; |
| 498 | |
| 499 | is_kernel_mmap = memcmp(self->mmap.filename, |
| 500 | kmmap_prefix, |
| 501 | strlen(kmmap_prefix)) == 0; |
| 502 | if (self->mmap.filename[0] == '/' || |
| 503 | (!is_kernel_mmap && self->mmap.filename[0] == '[')) { |
| 504 | |
| 505 | char short_module_name[1024]; |
| 506 | char *name, *dot; |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 507 | |
| 508 | if (self->mmap.filename[0] == '/') { |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 509 | name = strrchr(self->mmap.filename, '/'); |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 510 | if (name == NULL) |
| 511 | goto out_problem; |
| 512 | |
| 513 | ++name; /* skip / */ |
| 514 | dot = strrchr(name, '.'); |
| 515 | if (dot == NULL) |
| 516 | goto out_problem; |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 517 | snprintf(short_module_name, sizeof(short_module_name), |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 518 | "[%.*s]", (int)(dot - name), name); |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 519 | strxfrchar(short_module_name, '-', '_'); |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 520 | } else |
| 521 | strcpy(short_module_name, self->mmap.filename); |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 522 | |
Arnaldo Carvalho de Melo | d28c622 | 2010-04-27 21:20:43 -0300 | [diff] [blame] | 523 | map = machine__new_module(machine, self->mmap.start, |
| 524 | self->mmap.filename); |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 525 | if (map == NULL) |
| 526 | goto out_problem; |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 527 | |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 528 | name = strdup(short_module_name); |
| 529 | if (name == NULL) |
| 530 | goto out_problem; |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 531 | |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 532 | map->dso->short_name = name; |
Arnaldo Carvalho de Melo | 6e40625 | 2010-07-29 15:11:30 -0300 | [diff] [blame] | 533 | map->dso->sname_alloc = 1; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 534 | map->end = map->start + self->mmap.len; |
| 535 | } else if (is_kernel_mmap) { |
| 536 | const char *symbol_name = (self->mmap.filename + |
| 537 | strlen(kmmap_prefix)); |
| 538 | /* |
| 539 | * Should be there already, from the build-id table in |
| 540 | * the header. |
| 541 | */ |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 542 | struct dso *kernel = __dsos__findnew(&machine->kernel_dsos, |
| 543 | kmmap_prefix); |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 544 | if (kernel == NULL) |
| 545 | goto out_problem; |
| 546 | |
| 547 | kernel->kernel = kernel_type; |
Arnaldo Carvalho de Melo | d28c622 | 2010-04-27 21:20:43 -0300 | [diff] [blame] | 548 | if (__machine__create_kernel_maps(machine, kernel) < 0) |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 549 | goto out_problem; |
| 550 | |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 551 | event_set_kernel_mmap_len(machine->vmlinux_maps, self); |
| 552 | perf_session__set_kallsyms_ref_reloc_sym(machine->vmlinux_maps, |
| 553 | symbol_name, |
| 554 | self->mmap.pgoff); |
| 555 | if (machine__is_default_guest(machine)) { |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 556 | /* |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 557 | * preload dso of guest kernel and modules |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 558 | */ |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 559 | dso__load(kernel, machine->vmlinux_maps[MAP__FUNCTION], |
| 560 | NULL); |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 561 | } |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 562 | } |
| 563 | return 0; |
| 564 | out_problem: |
| 565 | return -1; |
| 566 | } |
| 567 | |
Arnaldo Carvalho de Melo | 640c03c | 2010-12-02 14:10:21 -0200 | [diff] [blame] | 568 | int event__process_mmap(event_t *self, struct sample_data *sample __used, |
| 569 | struct perf_session *session) |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 570 | { |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 571 | struct machine *machine; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 572 | struct thread *thread; |
| 573 | struct map *map; |
| 574 | u8 cpumode = self->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; |
| 575 | int ret = 0; |
| 576 | |
| 577 | dump_printf(" %d/%d: [%#Lx(%#Lx) @ %#Lx]: %s\n", |
| 578 | self->mmap.pid, self->mmap.tid, self->mmap.start, |
| 579 | self->mmap.len, self->mmap.pgoff, self->mmap.filename); |
| 580 | |
| 581 | if (cpumode == PERF_RECORD_MISC_GUEST_KERNEL || |
| 582 | cpumode == PERF_RECORD_MISC_KERNEL) { |
| 583 | ret = event__process_kernel_mmap(self, session); |
| 584 | if (ret < 0) |
| 585 | goto out_problem; |
Arnaldo Carvalho de Melo | 56b03f3 | 2010-01-05 16:50:31 -0200 | [diff] [blame] | 586 | return 0; |
| 587 | } |
| 588 | |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 589 | machine = perf_session__find_host_machine(session); |
Arnaldo Carvalho de Melo | 4cc4945 | 2010-05-09 21:14:07 -0300 | [diff] [blame] | 590 | if (machine == NULL) |
| 591 | goto out_problem; |
| 592 | thread = perf_session__findnew(session, self->mmap.pid); |
Arnaldo Carvalho de Melo | d65a458 | 2010-07-30 18:31:28 -0300 | [diff] [blame] | 593 | if (thread == NULL) |
| 594 | goto out_problem; |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 595 | map = map__new(&machine->user_dsos, self->mmap.start, |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 596 | self->mmap.len, self->mmap.pgoff, |
| 597 | self->mmap.pid, self->mmap.filename, |
Dave Martin | 361d134 | 2010-07-27 16:40:02 +0100 | [diff] [blame] | 598 | MAP__FUNCTION); |
Arnaldo Carvalho de Melo | d65a458 | 2010-07-30 18:31:28 -0300 | [diff] [blame] | 599 | if (map == NULL) |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 600 | goto out_problem; |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 601 | |
Arnaldo Carvalho de Melo | b7cece7 | 2010-01-13 13:22:17 -0200 | [diff] [blame] | 602 | thread__insert_map(thread, map); |
| 603 | return 0; |
| 604 | |
| 605 | out_problem: |
| 606 | dump_printf("problem processing PERF_RECORD_MMAP, skipping event.\n"); |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 607 | return 0; |
| 608 | } |
| 609 | |
Arnaldo Carvalho de Melo | 640c03c | 2010-12-02 14:10:21 -0200 | [diff] [blame] | 610 | int event__process_task(event_t *self, struct sample_data *sample __used, |
| 611 | struct perf_session *session) |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 612 | { |
Frederic Weisbecker | dd833d7 | 2010-06-01 00:43:07 +0200 | [diff] [blame] | 613 | struct thread *thread = perf_session__findnew(session, self->fork.tid); |
| 614 | struct thread *parent = perf_session__findnew(session, self->fork.ptid); |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 615 | |
| 616 | dump_printf("(%d:%d):(%d:%d)\n", self->fork.pid, self->fork.tid, |
| 617 | self->fork.ppid, self->fork.ptid); |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 618 | |
Arnaldo Carvalho de Melo | 720a3ae | 2010-06-17 08:37:44 -0300 | [diff] [blame] | 619 | if (self->header.type == PERF_RECORD_EXIT) { |
| 620 | perf_session__remove_thread(session, thread); |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 621 | return 0; |
Arnaldo Carvalho de Melo | 720a3ae | 2010-06-17 08:37:44 -0300 | [diff] [blame] | 622 | } |
Arnaldo Carvalho de Melo | 62daacb | 2009-11-27 16:29:22 -0200 | [diff] [blame] | 623 | |
| 624 | if (thread == NULL || parent == NULL || |
| 625 | thread__fork(thread, parent) < 0) { |
| 626 | dump_printf("problem processing PERF_RECORD_FORK, skipping event.\n"); |
| 627 | return -1; |
| 628 | } |
| 629 | |
| 630 | return 0; |
| 631 | } |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 632 | |
Arnaldo Carvalho de Melo | 640c03c | 2010-12-02 14:10:21 -0200 | [diff] [blame] | 633 | int event__process(event_t *event, struct sample_data *sample, |
| 634 | struct perf_session *session) |
Srikar Dronamraju | b83f920 | 2010-08-02 18:08:51 +0530 | [diff] [blame] | 635 | { |
| 636 | switch (event->header.type) { |
| 637 | case PERF_RECORD_COMM: |
Arnaldo Carvalho de Melo | 640c03c | 2010-12-02 14:10:21 -0200 | [diff] [blame] | 638 | event__process_comm(event, sample, session); |
Srikar Dronamraju | b83f920 | 2010-08-02 18:08:51 +0530 | [diff] [blame] | 639 | break; |
| 640 | case PERF_RECORD_MMAP: |
Arnaldo Carvalho de Melo | 640c03c | 2010-12-02 14:10:21 -0200 | [diff] [blame] | 641 | event__process_mmap(event, sample, session); |
Srikar Dronamraju | b83f920 | 2010-08-02 18:08:51 +0530 | [diff] [blame] | 642 | break; |
| 643 | case PERF_RECORD_FORK: |
| 644 | case PERF_RECORD_EXIT: |
Arnaldo Carvalho de Melo | 640c03c | 2010-12-02 14:10:21 -0200 | [diff] [blame] | 645 | event__process_task(event, sample, session); |
Srikar Dronamraju | b83f920 | 2010-08-02 18:08:51 +0530 | [diff] [blame] | 646 | break; |
| 647 | default: |
| 648 | break; |
| 649 | } |
| 650 | |
| 651 | return 0; |
| 652 | } |
| 653 | |
Arnaldo Carvalho de Melo | 59ee68e | 2010-01-14 23:45:29 -0200 | [diff] [blame] | 654 | void thread__find_addr_map(struct thread *self, |
| 655 | struct perf_session *session, u8 cpumode, |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 656 | enum map_type type, pid_t pid, u64 addr, |
Arnaldo Carvalho de Melo | 59ee68e | 2010-01-14 23:45:29 -0200 | [diff] [blame] | 657 | struct addr_location *al) |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 658 | { |
Arnaldo Carvalho de Melo | 9958e1f | 2009-12-11 14:50:36 -0200 | [diff] [blame] | 659 | struct map_groups *mg = &self->mg; |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 660 | struct machine *machine = NULL; |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 661 | |
Arnaldo Carvalho de Melo | 9958e1f | 2009-12-11 14:50:36 -0200 | [diff] [blame] | 662 | al->thread = self; |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 663 | al->addr = addr; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 664 | al->cpumode = cpumode; |
| 665 | al->filtered = false; |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 666 | |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 667 | if (cpumode == PERF_RECORD_MISC_KERNEL && perf_host) { |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 668 | al->level = 'k'; |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 669 | machine = perf_session__find_host_machine(session); |
Arnaldo Carvalho de Melo | 4cc4945 | 2010-05-09 21:14:07 -0300 | [diff] [blame] | 670 | if (machine == NULL) { |
| 671 | al->map = NULL; |
| 672 | return; |
| 673 | } |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 674 | mg = &machine->kmaps; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 675 | } else if (cpumode == PERF_RECORD_MISC_USER && perf_host) { |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 676 | al->level = '.'; |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 677 | machine = perf_session__find_host_machine(session); |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 678 | } else if (cpumode == PERF_RECORD_MISC_GUEST_KERNEL && perf_guest) { |
| 679 | al->level = 'g'; |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 680 | machine = perf_session__find_machine(session, pid); |
Arnaldo Carvalho de Melo | 4cc4945 | 2010-05-09 21:14:07 -0300 | [diff] [blame] | 681 | if (machine == NULL) { |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 682 | al->map = NULL; |
| 683 | return; |
| 684 | } |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 685 | mg = &machine->kmaps; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 686 | } else { |
| 687 | /* |
| 688 | * 'u' means guest os user space. |
| 689 | * TODO: We don't support guest user space. Might support late. |
| 690 | */ |
| 691 | if (cpumode == PERF_RECORD_MISC_GUEST_USER && perf_guest) |
| 692 | al->level = 'u'; |
| 693 | else |
| 694 | al->level = 'H'; |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 695 | al->map = NULL; |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 696 | |
| 697 | if ((cpumode == PERF_RECORD_MISC_GUEST_USER || |
| 698 | cpumode == PERF_RECORD_MISC_GUEST_KERNEL) && |
| 699 | !perf_guest) |
| 700 | al->filtered = true; |
| 701 | if ((cpumode == PERF_RECORD_MISC_USER || |
| 702 | cpumode == PERF_RECORD_MISC_KERNEL) && |
| 703 | !perf_host) |
| 704 | al->filtered = true; |
| 705 | |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 706 | return; |
| 707 | } |
| 708 | try_again: |
Arnaldo Carvalho de Melo | 9958e1f | 2009-12-11 14:50:36 -0200 | [diff] [blame] | 709 | al->map = map_groups__find(mg, type, al->addr); |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 710 | if (al->map == NULL) { |
| 711 | /* |
| 712 | * If this is outside of all known maps, and is a negative |
| 713 | * address, try to look it up in the kernel dso, as it might be |
| 714 | * a vsyscall or vdso (which executes in user-mode). |
| 715 | * |
| 716 | * XXX This is nasty, we should have a symbol list in the |
| 717 | * "[vdso]" dso, but for now lets use the old trick of looking |
| 718 | * in the whole kernel symbol list. |
| 719 | */ |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 720 | if ((long long)al->addr < 0 && |
Arnaldo Carvalho de Melo | 23346f2 | 2010-04-27 21:17:50 -0300 | [diff] [blame] | 721 | cpumode == PERF_RECORD_MISC_KERNEL && |
| 722 | machine && mg != &machine->kmaps) { |
| 723 | mg = &machine->kmaps; |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 724 | goto try_again; |
| 725 | } |
Arnaldo Carvalho de Melo | 59ee68e | 2010-01-14 23:45:29 -0200 | [diff] [blame] | 726 | } else |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 727 | al->addr = al->map->map_ip(al->map, al->addr); |
Arnaldo Carvalho de Melo | 59ee68e | 2010-01-14 23:45:29 -0200 | [diff] [blame] | 728 | } |
| 729 | |
| 730 | void thread__find_addr_location(struct thread *self, |
| 731 | struct perf_session *session, u8 cpumode, |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 732 | enum map_type type, pid_t pid, u64 addr, |
Arnaldo Carvalho de Melo | 59ee68e | 2010-01-14 23:45:29 -0200 | [diff] [blame] | 733 | struct addr_location *al, |
| 734 | symbol_filter_t filter) |
| 735 | { |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 736 | thread__find_addr_map(self, session, cpumode, type, pid, addr, al); |
Arnaldo Carvalho de Melo | 59ee68e | 2010-01-14 23:45:29 -0200 | [diff] [blame] | 737 | if (al->map != NULL) |
Arnaldo Carvalho de Melo | 9de89fe | 2010-02-03 16:52:00 -0200 | [diff] [blame] | 738 | al->sym = map__find_symbol(al->map, al->addr, filter); |
Arnaldo Carvalho de Melo | 59ee68e | 2010-01-14 23:45:29 -0200 | [diff] [blame] | 739 | else |
| 740 | al->sym = NULL; |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 741 | } |
| 742 | |
Arnaldo Carvalho de Melo | 8a6c5b2 | 2010-07-20 14:42:52 -0300 | [diff] [blame] | 743 | static void dso__calc_col_width(struct dso *self, struct hists *hists) |
Arnaldo Carvalho de Melo | c410a33 | 2009-12-15 20:04:41 -0200 | [diff] [blame] | 744 | { |
| 745 | if (!symbol_conf.col_width_list_str && !symbol_conf.field_sep && |
| 746 | (!symbol_conf.dso_list || |
| 747 | strlist__has_entry(symbol_conf.dso_list, self->name))) { |
Arnaldo Carvalho de Melo | 8a6c5b2 | 2010-07-20 14:42:52 -0300 | [diff] [blame] | 748 | u16 slen = dso__name_len(self); |
| 749 | hists__new_col_len(hists, HISTC_DSO, slen); |
Arnaldo Carvalho de Melo | c410a33 | 2009-12-15 20:04:41 -0200 | [diff] [blame] | 750 | } |
| 751 | |
| 752 | self->slen_calculated = 1; |
| 753 | } |
| 754 | |
Arnaldo Carvalho de Melo | b3165f4 | 2009-12-13 19:50:28 -0200 | [diff] [blame] | 755 | int event__preprocess_sample(const event_t *self, struct perf_session *session, |
Arnaldo Carvalho de Melo | 41a37e2 | 2010-06-04 08:02:07 -0300 | [diff] [blame] | 756 | struct addr_location *al, struct sample_data *data, |
| 757 | symbol_filter_t filter) |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 758 | { |
| 759 | u8 cpumode = self->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; |
Arnaldo Carvalho de Melo | 640c03c | 2010-12-02 14:10:21 -0200 | [diff] [blame] | 760 | struct thread *thread = perf_session__findnew(session, self->ip.pid); |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 761 | |
| 762 | if (thread == NULL) |
| 763 | return -1; |
| 764 | |
Arnaldo Carvalho de Melo | c410a33 | 2009-12-15 20:04:41 -0200 | [diff] [blame] | 765 | if (symbol_conf.comm_list && |
| 766 | !strlist__has_entry(symbol_conf.comm_list, thread->comm)) |
| 767 | goto out_filtered; |
| 768 | |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 769 | dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid); |
Arnaldo Carvalho de Melo | 1f626bc | 2010-05-09 19:57:08 -0300 | [diff] [blame] | 770 | /* |
| 771 | * Have we already created the kernel maps for the host machine? |
| 772 | * |
| 773 | * This should have happened earlier, when we processed the kernel MMAP |
| 774 | * events, but for older perf.data files there was no such thing, so do |
| 775 | * it now. |
| 776 | */ |
| 777 | if (cpumode == PERF_RECORD_MISC_KERNEL && |
| 778 | session->host_machine.vmlinux_maps[MAP__FUNCTION] == NULL) |
| 779 | machine__create_kernel_maps(&session->host_machine); |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 780 | |
Arnaldo Carvalho de Melo | 96415e4 | 2010-03-24 16:40:15 -0300 | [diff] [blame] | 781 | thread__find_addr_map(thread, session, cpumode, MAP__FUNCTION, |
Zhang, Yanmin | a1645ce | 2010-04-19 13:32:50 +0800 | [diff] [blame] | 782 | self->ip.pid, self->ip.ip, al); |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 783 | dump_printf(" ...... dso: %s\n", |
| 784 | al->map ? al->map->dso->long_name : |
| 785 | al->level == 'H' ? "[hypervisor]" : "<not found>"); |
Arnaldo Carvalho de Melo | 96415e4 | 2010-03-24 16:40:15 -0300 | [diff] [blame] | 786 | al->sym = NULL; |
Arun Sharma | f60f359 | 2010-06-04 11:27:10 -0300 | [diff] [blame] | 787 | al->cpu = data->cpu; |
Arnaldo Carvalho de Melo | c410a33 | 2009-12-15 20:04:41 -0200 | [diff] [blame] | 788 | |
Arnaldo Carvalho de Melo | 96415e4 | 2010-03-24 16:40:15 -0300 | [diff] [blame] | 789 | if (al->map) { |
| 790 | if (symbol_conf.dso_list && |
| 791 | (!al->map || !al->map->dso || |
| 792 | !(strlist__has_entry(symbol_conf.dso_list, |
| 793 | al->map->dso->short_name) || |
| 794 | (al->map->dso->short_name != al->map->dso->long_name && |
| 795 | strlist__has_entry(symbol_conf.dso_list, |
| 796 | al->map->dso->long_name))))) |
| 797 | goto out_filtered; |
| 798 | /* |
| 799 | * We have to do this here as we may have a dso with no symbol |
| 800 | * hit that has a name longer than the ones with symbols |
| 801 | * sampled. |
| 802 | */ |
| 803 | if (!sort_dso.elide && !al->map->dso->slen_calculated) |
Arnaldo Carvalho de Melo | 8a6c5b2 | 2010-07-20 14:42:52 -0300 | [diff] [blame] | 804 | dso__calc_col_width(al->map->dso, &session->hists); |
Arnaldo Carvalho de Melo | 96415e4 | 2010-03-24 16:40:15 -0300 | [diff] [blame] | 805 | |
| 806 | al->sym = map__find_symbol(al->map, al->addr, filter); |
Arnaldo Carvalho de Melo | 3ceb0d4 | 2010-05-09 16:07:01 -0300 | [diff] [blame] | 807 | } else { |
| 808 | const unsigned int unresolved_col_width = BITS_PER_LONG / 4; |
| 809 | |
Arnaldo Carvalho de Melo | 8a6c5b2 | 2010-07-20 14:42:52 -0300 | [diff] [blame] | 810 | if (hists__col_len(&session->hists, HISTC_DSO) < unresolved_col_width && |
Arnaldo Carvalho de Melo | 3ceb0d4 | 2010-05-09 16:07:01 -0300 | [diff] [blame] | 811 | !symbol_conf.col_width_list_str && !symbol_conf.field_sep && |
| 812 | !symbol_conf.dso_list) |
Arnaldo Carvalho de Melo | 8a6c5b2 | 2010-07-20 14:42:52 -0300 | [diff] [blame] | 813 | hists__set_col_len(&session->hists, HISTC_DSO, |
| 814 | unresolved_col_width); |
Arnaldo Carvalho de Melo | 96415e4 | 2010-03-24 16:40:15 -0300 | [diff] [blame] | 815 | } |
Arnaldo Carvalho de Melo | c410a33 | 2009-12-15 20:04:41 -0200 | [diff] [blame] | 816 | |
| 817 | if (symbol_conf.sym_list && al->sym && |
| 818 | !strlist__has_entry(symbol_conf.sym_list, al->sym->name)) |
| 819 | goto out_filtered; |
| 820 | |
Arnaldo Carvalho de Melo | c410a33 | 2009-12-15 20:04:41 -0200 | [diff] [blame] | 821 | return 0; |
| 822 | |
| 823 | out_filtered: |
| 824 | al->filtered = true; |
Arnaldo Carvalho de Melo | 1ed091c | 2009-11-27 16:29:23 -0200 | [diff] [blame] | 825 | return 0; |
| 826 | } |
OGAWA Hirofumi | 180f95e | 2009-12-06 20:08:24 +0900 | [diff] [blame] | 827 | |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 828 | static int event__parse_id_sample(const event_t *event, |
| 829 | struct perf_session *session, |
| 830 | struct sample_data *sample) |
OGAWA Hirofumi | 180f95e | 2009-12-06 20:08:24 +0900 | [diff] [blame] | 831 | { |
Arnaldo Carvalho de Melo | 9c90a61 | 2010-12-02 10:25:28 -0200 | [diff] [blame] | 832 | const u64 *array; |
| 833 | u64 type; |
| 834 | |
| 835 | sample->cpu = sample->pid = sample->tid = -1; |
| 836 | sample->stream_id = sample->id = sample->time = -1ULL; |
| 837 | |
| 838 | if (!session->sample_id_all) |
| 839 | return 0; |
| 840 | |
| 841 | array = event->sample.array; |
| 842 | array += ((event->header.size - |
| 843 | sizeof(event->header)) / sizeof(u64)) - 1; |
| 844 | type = session->sample_type; |
| 845 | |
| 846 | if (type & PERF_SAMPLE_CPU) { |
| 847 | u32 *p = (u32 *)array; |
| 848 | sample->cpu = *p; |
| 849 | array--; |
| 850 | } |
| 851 | |
| 852 | if (type & PERF_SAMPLE_STREAM_ID) { |
| 853 | sample->stream_id = *array; |
| 854 | array--; |
| 855 | } |
| 856 | |
| 857 | if (type & PERF_SAMPLE_ID) { |
| 858 | sample->id = *array; |
| 859 | array--; |
| 860 | } |
| 861 | |
| 862 | if (type & PERF_SAMPLE_TIME) { |
| 863 | sample->time = *array; |
| 864 | array--; |
| 865 | } |
| 866 | |
| 867 | if (type & PERF_SAMPLE_TID) { |
| 868 | u32 *p = (u32 *)array; |
| 869 | sample->pid = p[0]; |
| 870 | sample->tid = p[1]; |
| 871 | } |
| 872 | |
| 873 | return 0; |
| 874 | } |
| 875 | |
| 876 | int event__parse_sample(const event_t *event, struct perf_session *session, |
| 877 | struct sample_data *data) |
| 878 | { |
| 879 | const u64 *array; |
| 880 | u64 type; |
| 881 | |
| 882 | if (event->header.type != PERF_RECORD_SAMPLE) |
| 883 | return event__parse_id_sample(event, session, data); |
| 884 | |
| 885 | array = event->sample.array; |
| 886 | type = session->sample_type; |
OGAWA Hirofumi | 180f95e | 2009-12-06 20:08:24 +0900 | [diff] [blame] | 887 | |
| 888 | if (type & PERF_SAMPLE_IP) { |
| 889 | data->ip = event->ip.ip; |
| 890 | array++; |
| 891 | } |
| 892 | |
| 893 | if (type & PERF_SAMPLE_TID) { |
| 894 | u32 *p = (u32 *)array; |
| 895 | data->pid = p[0]; |
| 896 | data->tid = p[1]; |
| 897 | array++; |
| 898 | } |
| 899 | |
| 900 | if (type & PERF_SAMPLE_TIME) { |
| 901 | data->time = *array; |
| 902 | array++; |
| 903 | } |
| 904 | |
| 905 | if (type & PERF_SAMPLE_ADDR) { |
| 906 | data->addr = *array; |
| 907 | array++; |
| 908 | } |
| 909 | |
Anton Blanchard | 02bf60a | 2010-05-04 21:19:15 +1000 | [diff] [blame] | 910 | data->id = -1ULL; |
OGAWA Hirofumi | 180f95e | 2009-12-06 20:08:24 +0900 | [diff] [blame] | 911 | if (type & PERF_SAMPLE_ID) { |
| 912 | data->id = *array; |
| 913 | array++; |
| 914 | } |
| 915 | |
| 916 | if (type & PERF_SAMPLE_STREAM_ID) { |
| 917 | data->stream_id = *array; |
| 918 | array++; |
| 919 | } |
| 920 | |
| 921 | if (type & PERF_SAMPLE_CPU) { |
| 922 | u32 *p = (u32 *)array; |
| 923 | data->cpu = *p; |
| 924 | array++; |
Stephane Eranian | 761844b | 2010-05-28 12:08:01 +0200 | [diff] [blame] | 925 | } else |
| 926 | data->cpu = -1; |
OGAWA Hirofumi | 180f95e | 2009-12-06 20:08:24 +0900 | [diff] [blame] | 927 | |
| 928 | if (type & PERF_SAMPLE_PERIOD) { |
| 929 | data->period = *array; |
| 930 | array++; |
| 931 | } |
| 932 | |
| 933 | if (type & PERF_SAMPLE_READ) { |
| 934 | pr_debug("PERF_SAMPLE_READ is unsuported for now\n"); |
| 935 | return -1; |
| 936 | } |
| 937 | |
| 938 | if (type & PERF_SAMPLE_CALLCHAIN) { |
| 939 | data->callchain = (struct ip_callchain *)array; |
| 940 | array += 1 + data->callchain->nr; |
| 941 | } |
| 942 | |
| 943 | if (type & PERF_SAMPLE_RAW) { |
| 944 | u32 *p = (u32 *)array; |
| 945 | data->raw_size = *p; |
| 946 | p++; |
| 947 | data->raw_data = p; |
| 948 | } |
| 949 | |
| 950 | return 0; |
| 951 | } |