diff options
Diffstat (limited to 'tools/perf/util/data_map.c')
-rw-r--r-- | tools/perf/util/data_map.c | 252 |
1 files changed, 0 insertions, 252 deletions
diff --git a/tools/perf/util/data_map.c b/tools/perf/util/data_map.c deleted file mode 100644 index b557b836de3..00000000000 --- a/tools/perf/util/data_map.c +++ /dev/null @@ -1,252 +0,0 @@ -#include "symbol.h" -#include "util.h" -#include "debug.h" -#include "thread.h" -#include "session.h" - -static int process_event_stub(event_t *event __used, - struct perf_session *session __used) -{ - dump_printf(": unhandled!\n"); - return 0; -} - -static void perf_event_ops__fill_defaults(struct perf_event_ops *handler) -{ - if (!handler->process_sample_event) - handler->process_sample_event = process_event_stub; - if (!handler->process_mmap_event) - handler->process_mmap_event = process_event_stub; - if (!handler->process_comm_event) - handler->process_comm_event = process_event_stub; - if (!handler->process_fork_event) - handler->process_fork_event = process_event_stub; - if (!handler->process_exit_event) - handler->process_exit_event = process_event_stub; - if (!handler->process_lost_event) - handler->process_lost_event = process_event_stub; - if (!handler->process_read_event) - handler->process_read_event = process_event_stub; - if (!handler->process_throttle_event) - handler->process_throttle_event = process_event_stub; - if (!handler->process_unthrottle_event) - handler->process_unthrottle_event = process_event_stub; -} - -static const char *event__name[] = { - [0] = "TOTAL", - [PERF_RECORD_MMAP] = "MMAP", - [PERF_RECORD_LOST] = "LOST", - [PERF_RECORD_COMM] = "COMM", - [PERF_RECORD_EXIT] = "EXIT", - [PERF_RECORD_THROTTLE] = "THROTTLE", - [PERF_RECORD_UNTHROTTLE] = "UNTHROTTLE", - [PERF_RECORD_FORK] = "FORK", - [PERF_RECORD_READ] = "READ", - [PERF_RECORD_SAMPLE] = "SAMPLE", -}; - -unsigned long event__total[PERF_RECORD_MAX]; - -void event__print_totals(void) -{ - int i; - for (i = 0; i < PERF_RECORD_MAX; ++i) - pr_info("%10s events: %10ld\n", - event__name[i], event__total[i]); -} - -static int process_event(event_t *event, struct perf_session *session, - struct perf_event_ops *ops, - unsigned long offset, unsigned long head) -{ - trace_event(event); - - if (event->header.type < PERF_RECORD_MAX) { - dump_printf("%p [%p]: PERF_RECORD_%s", - (void *)(offset + head), - (void *)(long)(event->header.size), - event__name[event->header.type]); - ++event__total[0]; - ++event__total[event->header.type]; - } - - switch (event->header.type) { - case PERF_RECORD_SAMPLE: - return ops->process_sample_event(event, session); - case PERF_RECORD_MMAP: - return ops->process_mmap_event(event, session); - case PERF_RECORD_COMM: - return ops->process_comm_event(event, session); - case PERF_RECORD_FORK: - return ops->process_fork_event(event, session); - case PERF_RECORD_EXIT: - return ops->process_exit_event(event, session); - case PERF_RECORD_LOST: - return ops->process_lost_event(event, session); - case PERF_RECORD_READ: - return ops->process_read_event(event, session); - case PERF_RECORD_THROTTLE: - return ops->process_throttle_event(event, session); - case PERF_RECORD_UNTHROTTLE: - return ops->process_unthrottle_event(event, session); - default: - ops->total_unknown++; - return -1; - } -} - -int perf_header__read_build_ids(int input, u64 offset, u64 size) -{ - struct build_id_event bev; - char filename[PATH_MAX]; - u64 limit = offset + size; - int err = -1; - - while (offset < limit) { - struct dso *dso; - ssize_t len; - - if (read(input, &bev, sizeof(bev)) != sizeof(bev)) - goto out; - - len = bev.header.size - sizeof(bev); - if (read(input, filename, len) != len) - goto out; - - dso = dsos__findnew(filename); - if (dso != NULL) - dso__set_build_id(dso, &bev.build_id); - - offset += bev.header.size; - } - err = 0; -out: - return err; -} - -static struct thread *perf_session__register_idle_thread(struct perf_session *self) -{ - struct thread *thread = perf_session__findnew(self, 0); - - if (!thread || thread__set_comm(thread, "swapper")) { - pr_err("problem inserting idle task.\n"); - thread = NULL; - } - - return thread; -} - -int perf_session__process_events(struct perf_session *self, - struct perf_event_ops *ops) -{ - int err; - unsigned long head, shift; - unsigned long offset = 0; - size_t page_size; - event_t *event; - uint32_t size; - char *buf; - - if (perf_session__register_idle_thread(self) == NULL) - return -ENOMEM; - - perf_event_ops__fill_defaults(ops); - - page_size = getpagesize(); - - head = self->header.data_offset; - self->sample_type = perf_header__sample_type(&self->header); - - err = -EINVAL; - if (ops->sample_type_check && ops->sample_type_check(self) < 0) - goto out_err; - - if (!ops->full_paths) { - char bf[PATH_MAX]; - - if (getcwd(bf, sizeof(bf)) == NULL) { - err = -errno; -out_getcwd_err: - pr_err("failed to get the current directory\n"); - goto out_err; - } - self->cwd = strdup(bf); - if (self->cwd == NULL) { - err = -ENOMEM; - goto out_getcwd_err; - } - self->cwdlen = strlen(self->cwd); - } - - shift = page_size * (head / page_size); - offset += shift; - head -= shift; - -remap: - buf = mmap(NULL, page_size * self->mmap_window, PROT_READ, - MAP_SHARED, self->fd, offset); - if (buf == MAP_FAILED) { - pr_err("failed to mmap file\n"); - err = -errno; - goto out_err; - } - -more: - event = (event_t *)(buf + head); - - size = event->header.size; - if (!size) - size = 8; - - if (head + event->header.size >= page_size * self->mmap_window) { - int munmap_ret; - - shift = page_size * (head / page_size); - - munmap_ret = munmap(buf, page_size * self->mmap_window); - assert(munmap_ret == 0); - - offset += shift; - head -= shift; - goto remap; - } - - size = event->header.size; - - dump_printf("\n%p [%p]: event: %d\n", - (void *)(offset + head), - (void *)(long)event->header.size, - event->header.type); - - if (!size || process_event(event, self, ops, offset, head) < 0) { - - dump_printf("%p [%p]: skipping unknown header type: %d\n", - (void *)(offset + head), - (void *)(long)(event->header.size), - event->header.type); - - /* - * assume we lost track of the stream, check alignment, and - * increment a single u64 in the hope to catch on again 'soon'. - */ - - if (unlikely(head & 7)) - head &= ~7ULL; - - size = 8; - } - - head += size; - - if (offset + head >= self->header.data_offset + self->header.data_size) - goto done; - - if (offset + head < self->size) - goto more; - -done: - err = 0; -out_err: - return err; -} |