diff options
Diffstat (limited to 'ANDROID_3.4.5/tools/perf/util/event.c')
| -rw-r--r-- | ANDROID_3.4.5/tools/perf/util/event.c | 898 |
1 files changed, 0 insertions, 898 deletions
diff --git a/ANDROID_3.4.5/tools/perf/util/event.c b/ANDROID_3.4.5/tools/perf/util/event.c deleted file mode 100644 index 2a6f33cd..00000000 --- a/ANDROID_3.4.5/tools/perf/util/event.c +++ /dev/null @@ -1,898 +0,0 @@ -#include <linux/types.h> -#include "event.h" -#include "debug.h" -#include "sort.h" -#include "string.h" -#include "strlist.h" -#include "thread.h" -#include "thread_map.h" - -static const char *perf_event__names[] = { - [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", - [PERF_RECORD_HEADER_ATTR] = "ATTR", - [PERF_RECORD_HEADER_EVENT_TYPE] = "EVENT_TYPE", - [PERF_RECORD_HEADER_TRACING_DATA] = "TRACING_DATA", - [PERF_RECORD_HEADER_BUILD_ID] = "BUILD_ID", - [PERF_RECORD_FINISHED_ROUND] = "FINISHED_ROUND", -}; - -const char *perf_event__name(unsigned int id) -{ - if (id >= ARRAY_SIZE(perf_event__names)) - return "INVALID"; - if (!perf_event__names[id]) - return "UNKNOWN"; - return perf_event__names[id]; -} - -static struct perf_sample synth_sample = { - .pid = -1, - .tid = -1, - .time = -1, - .stream_id = -1, - .cpu = -1, - .period = 1, -}; - -static pid_t perf_event__get_comm_tgid(pid_t pid, char *comm, size_t len) -{ - char filename[PATH_MAX]; - char bf[BUFSIZ]; - FILE *fp; - size_t size = 0; - pid_t tgid = -1; - - snprintf(filename, sizeof(filename), "/proc/%d/status", pid); - - fp = fopen(filename, "r"); - if (fp == NULL) { - pr_debug("couldn't open %s\n", filename); - return 0; - } - - while (!comm[0] || (tgid < 0)) { - if (fgets(bf, sizeof(bf), fp) == NULL) { - pr_warning("couldn't get COMM and pgid, malformed %s\n", - filename); - break; - } - - if (memcmp(bf, "Name:", 5) == 0) { - char *name = bf + 5; - while (*name && isspace(*name)) - ++name; - size = strlen(name) - 1; - if (size >= len) - size = len - 1; - memcpy(comm, name, size); - comm[size] = '\0'; - - } else if (memcmp(bf, "Tgid:", 5) == 0) { - char *tgids = bf + 5; - while (*tgids && isspace(*tgids)) - ++tgids; - tgid = atoi(tgids); - } - } - - fclose(fp); - - return tgid; -} - -static pid_t perf_event__synthesize_comm(struct perf_tool *tool, - union perf_event *event, pid_t pid, - int full, - perf_event__handler_t process, - struct machine *machine) -{ - char filename[PATH_MAX]; - size_t size; - DIR *tasks; - struct dirent dirent, *next; - pid_t tgid; - - memset(&event->comm, 0, sizeof(event->comm)); - - tgid = perf_event__get_comm_tgid(pid, event->comm.comm, - sizeof(event->comm.comm)); - if (tgid < 0) - goto out; - - event->comm.pid = tgid; - event->comm.header.type = PERF_RECORD_COMM; - - size = strlen(event->comm.comm) + 1; - size = ALIGN(size, sizeof(u64)); - memset(event->comm.comm + size, 0, machine->id_hdr_size); - event->comm.header.size = (sizeof(event->comm) - - (sizeof(event->comm.comm) - size) + - machine->id_hdr_size); - if (!full) { - event->comm.tid = pid; - - process(tool, event, &synth_sample, machine); - goto out; - } - - snprintf(filename, sizeof(filename), "/proc/%d/task", pid); - - tasks = opendir(filename); - if (tasks == NULL) { - pr_debug("couldn't open %s\n", filename); - return 0; - } - - while (!readdir_r(tasks, &dirent, &next) && next) { - char *end; - pid = strtol(dirent.d_name, &end, 10); - if (*end) - continue; - - /* already have tgid; jut want to update the comm */ - (void) perf_event__get_comm_tgid(pid, event->comm.comm, - sizeof(event->comm.comm)); - - size = strlen(event->comm.comm) + 1; - size = ALIGN(size, sizeof(u64)); - memset(event->comm.comm + size, 0, machine->id_hdr_size); - event->comm.header.size = (sizeof(event->comm) - - (sizeof(event->comm.comm) - size) + - machine->id_hdr_size); - - event->comm.tid = pid; - - process(tool, event, &synth_sample, machine); - } - - closedir(tasks); -out: - return tgid; -} - -static int perf_event__synthesize_mmap_events(struct perf_tool *tool, - union perf_event *event, - pid_t pid, pid_t tgid, - perf_event__handler_t process, - struct machine *machine) -{ - char filename[PATH_MAX]; - FILE *fp; - - snprintf(filename, sizeof(filename), "/proc/%d/maps", pid); - - fp = fopen(filename, "r"); - if (fp == NULL) { - /* - * We raced with a task exiting - just return: - */ - pr_debug("couldn't open %s\n", filename); - return -1; - } - - event->header.type = PERF_RECORD_MMAP; - /* - * Just like the kernel, see __perf_event_mmap in kernel/perf_event.c - */ - event->header.misc = PERF_RECORD_MISC_USER; - - while (1) { - char bf[BUFSIZ], *pbf = bf; - int n; - size_t size; - if (fgets(bf, sizeof(bf), fp) == NULL) - break; - - /* 00400000-0040c000 r-xp 00000000 fd:01 41038 /bin/cat */ - n = hex2u64(pbf, &event->mmap.start); - if (n < 0) - continue; - pbf += n + 1; - n = hex2u64(pbf, &event->mmap.len); - if (n < 0) - continue; - pbf += n + 3; - if (*pbf == 'x') { /* vm_exec */ - char anonstr[] = "//anon\n"; - char *execname = strchr(bf, '/'); - - /* Catch VDSO */ - if (execname == NULL) - execname = strstr(bf, "[vdso]"); - - /* Catch anonymous mmaps */ - if ((execname == NULL) && !strstr(bf, "[")) - execname = anonstr; - - if (execname == NULL) - continue; - - pbf += 3; - n = hex2u64(pbf, &event->mmap.pgoff); - - size = strlen(execname); - execname[size - 1] = '\0'; /* Remove \n */ - memcpy(event->mmap.filename, execname, size); - size = ALIGN(size, sizeof(u64)); - event->mmap.len -= event->mmap.start; - event->mmap.header.size = (sizeof(event->mmap) - - (sizeof(event->mmap.filename) - size)); - memset(event->mmap.filename + size, 0, machine->id_hdr_size); - event->mmap.header.size += machine->id_hdr_size; - event->mmap.pid = tgid; - event->mmap.tid = pid; - - process(tool, event, &synth_sample, machine); - } - } - - fclose(fp); - return 0; -} - -int perf_event__synthesize_modules(struct perf_tool *tool, - perf_event__handler_t process, - struct machine *machine) -{ - struct rb_node *nd; - struct map_groups *kmaps = &machine->kmaps; - union perf_event *event = zalloc((sizeof(event->mmap) + - machine->id_hdr_size)); - if (event == NULL) { - pr_debug("Not enough memory synthesizing mmap event " - "for kernel modules\n"); - return -1; - } - - event->header.type = PERF_RECORD_MMAP; - - /* - * kernel uses 0 for user space maps, see kernel/perf_event.c - * __perf_event_mmap - */ - if (machine__is_host(machine)) - event->header.misc = PERF_RECORD_MISC_KERNEL; - else - event->header.misc = PERF_RECORD_MISC_GUEST_KERNEL; - - for (nd = rb_first(&kmaps->maps[MAP__FUNCTION]); - nd; nd = rb_next(nd)) { - size_t size; - struct map *pos = rb_entry(nd, struct map, rb_node); - - if (pos->dso->kernel) - continue; - - size = ALIGN(pos->dso->long_name_len + 1, sizeof(u64)); - event->mmap.header.type = PERF_RECORD_MMAP; - event->mmap.header.size = (sizeof(event->mmap) - - (sizeof(event->mmap.filename) - size)); - memset(event->mmap.filename + size, 0, machine->id_hdr_size); - event->mmap.header.size += machine->id_hdr_size; - event->mmap.start = pos->start; - event->mmap.len = pos->end - pos->start; - event->mmap.pid = machine->pid; - - memcpy(event->mmap.filename, pos->dso->long_name, - pos->dso->long_name_len + 1); - process(tool, event, &synth_sample, machine); - } - - free(event); - return 0; -} - -static int __event__synthesize_thread(union perf_event *comm_event, - union perf_event *mmap_event, - pid_t pid, int full, - perf_event__handler_t process, - struct perf_tool *tool, - struct machine *machine) -{ - pid_t tgid = perf_event__synthesize_comm(tool, comm_event, pid, full, - process, machine); - if (tgid == -1) - return -1; - return perf_event__synthesize_mmap_events(tool, mmap_event, pid, tgid, - process, machine); -} - -int perf_event__synthesize_thread_map(struct perf_tool *tool, - struct thread_map *threads, - perf_event__handler_t process, - struct machine *machine) -{ - union perf_event *comm_event, *mmap_event; - int err = -1, thread, j; - - comm_event = malloc(sizeof(comm_event->comm) + machine->id_hdr_size); - if (comm_event == NULL) - goto out; - - mmap_event = malloc(sizeof(mmap_event->mmap) + machine->id_hdr_size); - if (mmap_event == NULL) - goto out_free_comm; - - err = 0; - for (thread = 0; thread < threads->nr; ++thread) { - if (__event__synthesize_thread(comm_event, mmap_event, - threads->map[thread], 0, - process, tool, machine)) { - err = -1; - break; - } - - /* - * comm.pid is set to thread group id by - * perf_event__synthesize_comm - */ - if ((int) comm_event->comm.pid != threads->map[thread]) { - bool need_leader = true; - - /* is thread group leader in thread_map? */ - for (j = 0; j < threads->nr; ++j) { - if ((int) comm_event->comm.pid == threads->map[j]) { - need_leader = false; - break; - } - } - - /* if not, generate events for it */ - if (need_leader && - __event__synthesize_thread(comm_event, - mmap_event, - comm_event->comm.pid, 0, - process, tool, machine)) { - err = -1; - break; - } - } - } - free(mmap_event); -out_free_comm: - free(comm_event); -out: - return err; -} - -int perf_event__synthesize_threads(struct perf_tool *tool, - perf_event__handler_t process, - struct machine *machine) -{ - DIR *proc; - struct dirent dirent, *next; - union perf_event *comm_event, *mmap_event; - int err = -1; - - comm_event = malloc(sizeof(comm_event->comm) + machine->id_hdr_size); - if (comm_event == NULL) - goto out; - - mmap_event = malloc(sizeof(mmap_event->mmap) + machine->id_hdr_size); - if (mmap_event == NULL) - goto out_free_comm; - - proc = opendir("/proc"); - if (proc == NULL) - goto out_free_mmap; - - while (!readdir_r(proc, &dirent, &next) && next) { - char *end; - pid_t pid = strtol(dirent.d_name, &end, 10); - - if (*end) /* only interested in proper numerical dirents */ - continue; - - __event__synthesize_thread(comm_event, mmap_event, pid, 1, - process, tool, machine); - } - - closedir(proc); - err = 0; -out_free_mmap: - free(mmap_event); -out_free_comm: - free(comm_event); -out: - return err; -} - -struct process_symbol_args { - const char *name; - u64 start; -}; - -static int find_symbol_cb(void *arg, const char *name, char type, - u64 start, u64 end __used) -{ - struct process_symbol_args *args = arg; - - /* - * Must be a function or at least an alias, as in PARISC64, where "_text" is - * an 'A' to the same address as "_stext". - */ - if (!(symbol_type__is_a(type, MAP__FUNCTION) || - type == 'A') || strcmp(name, args->name)) - return 0; - - args->start = start; - return 1; -} - -int perf_event__synthesize_kernel_mmap(struct perf_tool *tool, - perf_event__handler_t process, - struct machine *machine, - const char *symbol_name) -{ - size_t size; - const char *filename, *mmap_name; - char path[PATH_MAX]; - char name_buff[PATH_MAX]; - struct map *map; - int err; - /* - * We should get this from /sys/kernel/sections/.text, but till that is - * available use this, and after it is use this as a fallback for older - * kernels. - */ - struct process_symbol_args args = { .name = symbol_name, }; - union perf_event *event = zalloc((sizeof(event->mmap) + - machine->id_hdr_size)); - if (event == NULL) { - pr_debug("Not enough memory synthesizing mmap event " - "for kernel modules\n"); - return -1; - } - - mmap_name = machine__mmap_name(machine, name_buff, sizeof(name_buff)); - if (machine__is_host(machine)) { - /* - * kernel uses PERF_RECORD_MISC_USER for user space maps, - * see kernel/perf_event.c __perf_event_mmap - */ - event->header.misc = PERF_RECORD_MISC_KERNEL; - filename = "/proc/kallsyms"; - } else { - event->header.misc = PERF_RECORD_MISC_GUEST_KERNEL; - if (machine__is_default_guest(machine)) - filename = (char *) symbol_conf.default_guest_kallsyms; - else { - sprintf(path, "%s/proc/kallsyms", machine->root_dir); - filename = path; - } - } - - if (kallsyms__parse(filename, &args, find_symbol_cb) <= 0) - return -ENOENT; - - map = machine->vmlinux_maps[MAP__FUNCTION]; - size = snprintf(event->mmap.filename, sizeof(event->mmap.filename), - "%s%s", mmap_name, symbol_name) + 1; - size = ALIGN(size, sizeof(u64)); - event->mmap.header.type = PERF_RECORD_MMAP; - event->mmap.header.size = (sizeof(event->mmap) - - (sizeof(event->mmap.filename) - size) + machine->id_hdr_size); - event->mmap.pgoff = args.start; - event->mmap.start = map->start; - event->mmap.len = map->end - event->mmap.start; - event->mmap.pid = machine->pid; - - err = process(tool, event, &synth_sample, machine); - free(event); - - return err; -} - -size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp) -{ - return fprintf(fp, ": %s:%d\n", event->comm.comm, event->comm.tid); -} - -int perf_event__process_comm(struct perf_tool *tool __used, - union perf_event *event, - struct perf_sample *sample __used, - struct machine *machine) -{ - struct thread *thread = machine__findnew_thread(machine, event->comm.tid); - - if (dump_trace) - perf_event__fprintf_comm(event, stdout); - - if (thread == NULL || thread__set_comm(thread, event->comm.comm)) { - dump_printf("problem processing PERF_RECORD_COMM, skipping event.\n"); - return -1; - } - - return 0; -} - -int perf_event__process_lost(struct perf_tool *tool __used, - union perf_event *event, - struct perf_sample *sample __used, - struct machine *machine __used) -{ - dump_printf(": id:%" PRIu64 ": lost:%" PRIu64 "\n", - event->lost.id, event->lost.lost); - return 0; -} - -static void perf_event__set_kernel_mmap_len(union perf_event *event, - struct map **maps) -{ - maps[MAP__FUNCTION]->start = event->mmap.start; - maps[MAP__FUNCTION]->end = event->mmap.start + event->mmap.len; - /* - * Be a bit paranoid here, some perf.data file came with - * a zero sized synthesized MMAP event for the kernel. - */ - if (maps[MAP__FUNCTION]->end == 0) - maps[MAP__FUNCTION]->end = ~0ULL; -} - -static int perf_event__process_kernel_mmap(struct perf_tool *tool __used, - union perf_event *event, - struct machine *machine) -{ - struct map *map; - char kmmap_prefix[PATH_MAX]; - enum dso_kernel_type kernel_type; - bool is_kernel_mmap; - - machine__mmap_name(machine, kmmap_prefix, sizeof(kmmap_prefix)); - if (machine__is_host(machine)) - kernel_type = DSO_TYPE_KERNEL; - else - kernel_type = DSO_TYPE_GUEST_KERNEL; - - is_kernel_mmap = memcmp(event->mmap.filename, - kmmap_prefix, - strlen(kmmap_prefix) - 1) == 0; - if (event->mmap.filename[0] == '/' || - (!is_kernel_mmap && event->mmap.filename[0] == '[')) { - - char short_module_name[1024]; - char *name, *dot; - - if (event->mmap.filename[0] == '/') { - name = strrchr(event->mmap.filename, '/'); - if (name == NULL) - goto out_problem; - - ++name; /* skip / */ - dot = strrchr(name, '.'); - if (dot == NULL) - goto out_problem; - snprintf(short_module_name, sizeof(short_module_name), - "[%.*s]", (int)(dot - name), name); - strxfrchar(short_module_name, '-', '_'); - } else - strcpy(short_module_name, event->mmap.filename); - - map = machine__new_module(machine, event->mmap.start, - event->mmap.filename); - if (map == NULL) - goto out_problem; - - name = strdup(short_module_name); - if (name == NULL) - goto out_problem; - - map->dso->short_name = name; - map->dso->sname_alloc = 1; - map->end = map->start + event->mmap.len; - } else if (is_kernel_mmap) { - const char *symbol_name = (event->mmap.filename + - strlen(kmmap_prefix)); - /* - * Should be there already, from the build-id table in - * the header. - */ - struct dso *kernel = __dsos__findnew(&machine->kernel_dsos, - kmmap_prefix); - if (kernel == NULL) - goto out_problem; - - kernel->kernel = kernel_type; - if (__machine__create_kernel_maps(machine, kernel) < 0) - goto out_problem; - - perf_event__set_kernel_mmap_len(event, machine->vmlinux_maps); - - /* - * Avoid using a zero address (kptr_restrict) for the ref reloc - * symbol. Effectively having zero here means that at record - * time /proc/sys/kernel/kptr_restrict was non zero. - */ - if (event->mmap.pgoff != 0) { - maps__set_kallsyms_ref_reloc_sym(machine->vmlinux_maps, - symbol_name, - event->mmap.pgoff); - } - - if (machine__is_default_guest(machine)) { - /* - * preload dso of guest kernel and modules - */ - dso__load(kernel, machine->vmlinux_maps[MAP__FUNCTION], - NULL); - } - } - return 0; -out_problem: - return -1; -} - -size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp) -{ - return fprintf(fp, " %d/%d: [%#" PRIx64 "(%#" PRIx64 ") @ %#" PRIx64 "]: %s\n", - event->mmap.pid, event->mmap.tid, event->mmap.start, - event->mmap.len, event->mmap.pgoff, event->mmap.filename); -} - -int perf_event__process_mmap(struct perf_tool *tool, - union perf_event *event, - struct perf_sample *sample __used, - struct machine *machine) -{ - struct thread *thread; - struct map *map; - u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; - int ret = 0; - - if (dump_trace) - perf_event__fprintf_mmap(event, stdout); - - if (cpumode == PERF_RECORD_MISC_GUEST_KERNEL || - cpumode == PERF_RECORD_MISC_KERNEL) { - ret = perf_event__process_kernel_mmap(tool, event, machine); - if (ret < 0) - goto out_problem; - return 0; - } - - thread = machine__findnew_thread(machine, event->mmap.pid); - if (thread == NULL) - goto out_problem; - map = map__new(&machine->user_dsos, event->mmap.start, - event->mmap.len, event->mmap.pgoff, - event->mmap.pid, event->mmap.filename, - MAP__FUNCTION); - if (map == NULL) - goto out_problem; - - thread__insert_map(thread, map); - return 0; - -out_problem: - dump_printf("problem processing PERF_RECORD_MMAP, skipping event.\n"); - return 0; -} - -size_t perf_event__fprintf_task(union perf_event *event, FILE *fp) -{ - return fprintf(fp, "(%d:%d):(%d:%d)\n", - event->fork.pid, event->fork.tid, - event->fork.ppid, event->fork.ptid); -} - -int perf_event__process_task(struct perf_tool *tool __used, - union perf_event *event, - struct perf_sample *sample __used, - struct machine *machine) -{ - struct thread *thread = machine__findnew_thread(machine, event->fork.tid); - struct thread *parent = machine__findnew_thread(machine, event->fork.ptid); - - if (dump_trace) - perf_event__fprintf_task(event, stdout); - - if (event->header.type == PERF_RECORD_EXIT) { - machine__remove_thread(machine, thread); - return 0; - } - - if (thread == NULL || parent == NULL || - thread__fork(thread, parent) < 0) { - dump_printf("problem processing PERF_RECORD_FORK, skipping event.\n"); - return -1; - } - - return 0; -} - -size_t perf_event__fprintf(union perf_event *event, FILE *fp) -{ - size_t ret = fprintf(fp, "PERF_RECORD_%s", - perf_event__name(event->header.type)); - - switch (event->header.type) { - case PERF_RECORD_COMM: - ret += perf_event__fprintf_comm(event, fp); - break; - case PERF_RECORD_FORK: - case PERF_RECORD_EXIT: - ret += perf_event__fprintf_task(event, fp); - break; - case PERF_RECORD_MMAP: - ret += perf_event__fprintf_mmap(event, fp); - break; - default: - ret += fprintf(fp, "\n"); - } - - return ret; -} - -int perf_event__process(struct perf_tool *tool, union perf_event *event, - struct perf_sample *sample, struct machine *machine) -{ - switch (event->header.type) { - case PERF_RECORD_COMM: - perf_event__process_comm(tool, event, sample, machine); - break; - case PERF_RECORD_MMAP: - perf_event__process_mmap(tool, event, sample, machine); - break; - case PERF_RECORD_FORK: - case PERF_RECORD_EXIT: - perf_event__process_task(tool, event, sample, machine); - break; - case PERF_RECORD_LOST: - perf_event__process_lost(tool, event, sample, machine); - default: - break; - } - - return 0; -} - -void thread__find_addr_map(struct thread *self, - struct machine *machine, u8 cpumode, - enum map_type type, u64 addr, - struct addr_location *al) -{ - struct map_groups *mg = &self->mg; - - al->thread = self; - al->addr = addr; - al->cpumode = cpumode; - al->filtered = false; - - if (machine == NULL) { - al->map = NULL; - return; - } - - if (cpumode == PERF_RECORD_MISC_KERNEL && perf_host) { - al->level = 'k'; - mg = &machine->kmaps; - } else if (cpumode == PERF_RECORD_MISC_USER && perf_host) { - al->level = '.'; - } else if (cpumode == PERF_RECORD_MISC_GUEST_KERNEL && perf_guest) { - al->level = 'g'; - mg = &machine->kmaps; - } else { - /* - * 'u' means guest os user space. - * TODO: We don't support guest user space. Might support late. - */ - if (cpumode == PERF_RECORD_MISC_GUEST_USER && perf_guest) - al->level = 'u'; - else - al->level = 'H'; - al->map = NULL; - - if ((cpumode == PERF_RECORD_MISC_GUEST_USER || - cpumode == PERF_RECORD_MISC_GUEST_KERNEL) && - !perf_guest) - al->filtered = true; - if ((cpumode == PERF_RECORD_MISC_USER || - cpumode == PERF_RECORD_MISC_KERNEL) && - !perf_host) - al->filtered = true; - - return; - } -try_again: - al->map = map_groups__find(mg, type, al->addr); - if (al->map == NULL) { - /* - * If this is outside of all known maps, and is a negative - * address, try to look it up in the kernel dso, as it might be - * a vsyscall or vdso (which executes in user-mode). - * - * XXX This is nasty, we should have a symbol list in the - * "[vdso]" dso, but for now lets use the old trick of looking - * in the whole kernel symbol list. - */ - if ((long long)al->addr < 0 && - cpumode == PERF_RECORD_MISC_USER && - machine && mg != &machine->kmaps) { - mg = &machine->kmaps; - goto try_again; - } - } else - al->addr = al->map->map_ip(al->map, al->addr); -} - -void thread__find_addr_location(struct thread *thread, struct machine *machine, - u8 cpumode, enum map_type type, u64 addr, - struct addr_location *al, - symbol_filter_t filter) -{ - thread__find_addr_map(thread, machine, cpumode, type, addr, al); - if (al->map != NULL) - al->sym = map__find_symbol(al->map, al->addr, filter); - else - al->sym = NULL; -} - -int perf_event__preprocess_sample(const union perf_event *event, - struct machine *machine, - struct addr_location *al, - struct perf_sample *sample, - symbol_filter_t filter) -{ - u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; - struct thread *thread = machine__findnew_thread(machine, event->ip.pid); - - if (thread == NULL) - return -1; - - if (symbol_conf.comm_list && - !strlist__has_entry(symbol_conf.comm_list, thread->comm)) - goto out_filtered; - - dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid); - /* - * Have we already created the kernel maps for this machine? - * - * This should have happened earlier, when we processed the kernel MMAP - * events, but for older perf.data files there was no such thing, so do - * it now. - */ - if (cpumode == PERF_RECORD_MISC_KERNEL && - machine->vmlinux_maps[MAP__FUNCTION] == NULL) - machine__create_kernel_maps(machine); - - thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION, - event->ip.ip, al); - dump_printf(" ...... dso: %s\n", - al->map ? al->map->dso->long_name : - al->level == 'H' ? "[hypervisor]" : "<not found>"); - al->sym = NULL; - al->cpu = sample->cpu; - - if (al->map) { - struct dso *dso = al->map->dso; - - if (symbol_conf.dso_list && - (!dso || !(strlist__has_entry(symbol_conf.dso_list, - dso->short_name) || - (dso->short_name != dso->long_name && - strlist__has_entry(symbol_conf.dso_list, - dso->long_name))))) - goto out_filtered; - - al->sym = map__find_symbol(al->map, al->addr, filter); - } - - if (symbol_conf.sym_list && al->sym && - !strlist__has_entry(symbol_conf.sym_list, al->sym->name)) - goto out_filtered; - - return 0; - -out_filtered: - al->filtered = true; - return 0; -} |