X-Git-Url: https://git.lttng.org/?p=lttngtop.git;a=blobdiff_plain;f=src%2Fiostreamtop.c;h=f455e78a20ec0e345c66a713e1ddde3be92f8b43;hp=1594df7543e669d75f45c92bb3d0d6b4b9d034b6;hb=3439955e838cd626b61ca36e37f80a104966a8fe;hpb=37010c3c1a006bf7f3181a1746751c99645ad4bb diff --git a/src/iostreamtop.c b/src/iostreamtop.c index 1594df7..f455e78 100644 --- a/src/iostreamtop.c +++ b/src/iostreamtop.c @@ -10,72 +10,264 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, - * MA 02111-1307, USA. + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ +#include +#include +#include +#include +#include #include #include "lttngtoptypes.h" #include "common.h" #include "iostreamtop.h" -#include +void add_file(struct processtop *proc, struct files *file, int fd) +{ + struct files *tmp_file; + struct processtop *parent; + int size; + + size = proc->process_files_table->len; + parent = proc->threadparent; + if (parent) + insert_file(parent, fd); + if (size <= fd) { + g_ptr_array_set_size(proc->process_files_table, fd); + g_ptr_array_add(proc->process_files_table, file); + } else { + tmp_file = g_ptr_array_index(proc->process_files_table, fd); + if (tmp_file == NULL) + g_ptr_array_index(proc->process_files_table, fd) = file; + else { + if (strcmp(tmp_file->name, file->name) != 0) { + size = proc->process_files_table->len; + g_ptr_array_set_size(proc->process_files_table, + size+1); + g_ptr_array_index(proc->process_files_table, + size) = tmp_file; + g_ptr_array_index(proc->process_files_table, + fd) = file; + } else + tmp_file->flag = __NR_open; + } + } + /* + * The file may have be created in the parent + */ + if (file->flag == -1) { + file->fd = fd; + file->flag = __NR_open; + lttngtop.nbfiles++; + lttngtop.nbnewfiles++; + } +} + +/* + * Edit the file + * Called by handled_statedump_filename + */ +void edit_file(struct processtop *proc, struct files *file, int fd) +{ + int size = proc->process_files_table->len; + struct files *tmpfile; + + if (fd >= size) { + add_file(proc, file, fd); + } else { + tmpfile = g_ptr_array_index(proc->process_files_table, fd); + if (tmpfile) { + tmpfile->name = strdup(file->name); + free(file); + } else + add_file(proc, file, fd); + } +} + +void insert_file(struct processtop *proc, int fd) +{ + struct files *tmp; + struct files *tmp_parent; + struct processtop *parent; + + if (fd < 0) + return; + if (fd >= proc->process_files_table->len) { + tmp = g_new0(struct files, 1); + tmp->name = "Unknown"; + tmp->read = 0; + tmp->write = 0; + tmp->fd = fd; + tmp->flag = -1; + add_file(proc, tmp, fd); + } else { + tmp = g_ptr_array_index(proc->process_files_table, fd); + if (tmp == NULL) { + tmp = g_new0(struct files, 1); + tmp->name = "Unknown"; + tmp->read = 0; + tmp->write = 0; + tmp->fd = fd; + tmp->flag = -1; + add_file(proc, tmp, fd); + } else { + parent = proc->threadparent; + if (parent) { + tmp_parent = g_ptr_array_index( + parent->process_files_table, fd); + if (tmp_parent && + (strcmp(tmp->name, tmp_parent->name)) != 0) + tmp->name = strdup(tmp_parent->name); + } + } + } +} + +void close_file(struct processtop *proc, int fd) +{ + struct files *file; + + file = get_file(proc, fd); + if (file != NULL) { + file->flag = __NR_close; + lttngtop.nbfiles--; + } + lttngtop.nbclosedfiles++; +} + +struct files *get_file(struct processtop *proc, int fd) +{ + int len; + struct files *tmp = NULL; + + len = proc->process_files_table->len; + + /* + * It is possible that a file was open before taking the trace + * and its fd could be greater than all of the others fd + * used by the process + */ + if (fd < len && fd >= 0) + tmp = g_ptr_array_index(proc->process_files_table, fd); + + return tmp; +} + +void show_table(GPtrArray *tab) +{ + int i; + struct files *file; + + for (i = 0 ; i < tab->len; i++) { + file = g_ptr_array_index(tab, i); + if (file == NULL) + fprintf(stderr, "NULL, "); + else + fprintf(stderr, "%s, ", file->name); + } + fprintf(stderr, "]\n\n"); +} + +void show_history(struct file_history *history) +{ + struct file_history *tmp = history; + + while (tmp != NULL) { + fprintf(stderr, "fd = %d, name = %s\n", tmp->file->fd, + tmp->file->name); + tmp = tmp->next; + } + +} int update_iostream_ret(struct lttngtop *ctx, int tid, char *comm, - unsigned long timestamp, int cpu_id, int ret) + unsigned long timestamp, uint64_t cpu_id, int ret) { struct processtop *tmp; + struct files *tmpfile; int err = 0; tmp = get_proc(ctx, tid, comm, timestamp); - if ((tmp->iostream->syscall_info != NULL) && (tmp->iostream->syscall_info->cpu_id == cpu_id)) { - if (tmp->iostream->syscall_info->type == __NR_read && ret > 0) { - tmp->iostream->ret_read += ret; - tmp->iostream->ret_total += ret; - } else if(tmp->iostream->syscall_info->type == __NR_write && ret > 0) { - tmp->iostream->ret_write += ret; - tmp->iostream->ret_total += ret; - } else{ + + if (tmp->syscall_info != NULL) { + if (tmp->syscall_info->type == __NR_read + && ret > 0) { + tmp->totalfileread += ret; + tmp->fileread += ret; + tmpfile = get_file(tmp, tmp->syscall_info->fd); + if (tmpfile) + tmpfile->read += ret; + } else if (tmp->syscall_info->type == __NR_write + && ret > 0) { + tmp->totalfilewrite += ret; + tmp->filewrite += ret; + tmpfile = get_file(tmp, tmp->syscall_info->fd); + if (tmpfile) + tmpfile->write += ret; + } else if (tmp->syscall_info->type == __NR_open + && ret > 0) { + tmpfile = tmp->files_history->file; + add_file(tmp, tmpfile, ret); + tmpfile->fd = ret; + } else { err = -1; } - free(tmp->iostream->syscall_info); - tmp->iostream->syscall_info = NULL; - } - + g_free(tmp->syscall_info); + tmp->syscall_info = NULL; + } return err; } -enum bt_cb_ret handle_exit_syscall(struct bt_ctf_event *call_data, +struct syscalls *create_syscall_info(unsigned int type, uint64_t cpu_id, + unsigned int tid, int fd) +{ + struct syscalls *syscall_info; + + syscall_info = g_new0(struct syscalls, 1); + syscall_info->type = type; + syscall_info->cpu_id = cpu_id; + syscall_info->tid = tid; + syscall_info->fd = fd; + + return syscall_info; +} + +struct file_history *create_file(struct file_history *history, char *file_name) +{ + struct files *new_file; + struct file_history *new_history; + + new_file = g_new0(struct files, 1); + new_history = g_new0(struct file_history, 1); + new_file->name = strdup(file_name); + new_file->read = 0; + new_file->write = 0; + new_file->flag = -1; + new_history->file = new_file; + new_history->next = history; + + return new_history; +} + +enum bt_cb_ret handle_exit_syscall(struct ctf_event_definition *call_data, void *private_data) { - struct definition *scope; + const struct definition *scope; unsigned long timestamp; char *comm; uint64_t ret, tid; - int64_t cpu_id; + uint64_t cpu_id; timestamp = bt_ctf_get_timestamp(call_data); if (timestamp == -1ULL) goto error; - scope = bt_ctf_get_top_level_scope(call_data, - BT_STREAM_EVENT_CONTEXT); - comm = bt_ctf_get_char_array(bt_ctf_get_field(call_data, - scope, "_procname")); - if (bt_ctf_field_get_error()) { - fprintf(stderr, "Missing procname context info\n"); - goto error; - } - - tid = bt_ctf_get_int64(bt_ctf_get_field(call_data, - scope, "_tid")); - if (bt_ctf_field_get_error()) { - fprintf(stderr, "Missing tid context info\n"); - goto error; - } + comm = get_context_comm(call_data); + tid = get_context_tid(call_data); scope = bt_ctf_get_top_level_scope(call_data, BT_EVENT_FIELDS); @@ -86,17 +278,11 @@ enum bt_cb_ret handle_exit_syscall(struct bt_ctf_event *call_data, goto error; } - scope = bt_ctf_get_top_level_scope(call_data, - BT_STREAM_PACKET_CONTEXT); - cpu_id = bt_ctf_get_uint64(bt_ctf_get_field(call_data, - scope, "cpu_id")); - if (bt_ctf_field_get_error()) { - fprintf(stderr, "Missing cpu_id context info\n"); - goto error; - } + cpu_id = get_cpu_id(call_data); /* - * if we encounter an exit_syscall and it is not for a syscall read or write + * if we encounter an exit_syscall and + * it is not for a syscall read or write * we just abort the execution of this callback */ if ((update_iostream_ret(<tngtop, tid, comm, timestamp, cpu_id, ret)) < 0) @@ -109,52 +295,77 @@ error: } -enum bt_cb_ret handle_sys_write(struct bt_ctf_event *call_data, +enum bt_cb_ret handle_sys_write(struct ctf_event_definition *call_data, void *private_data) { - struct definition *scope; + const struct definition *scope; struct processtop *tmp; - struct syscalls *syscall_info; unsigned long timestamp; uint64_t cpu_id; - char *comm; - int64_t tid; + int64_t tid, pid; + int fd; timestamp = bt_ctf_get_timestamp(call_data); if (timestamp == -1ULL) goto error; + tid = get_context_tid(call_data); + cpu_id = get_cpu_id(call_data); + + pid = get_context_pid(call_data); + scope = bt_ctf_get_top_level_scope(call_data, - BT_STREAM_EVENT_CONTEXT); - comm = bt_ctf_get_char_array(bt_ctf_get_field(call_data, - scope, "_procname")); + BT_EVENT_FIELDS); + fd = bt_ctf_get_uint64(bt_ctf_get_field(call_data, + scope, "_fd")); if (bt_ctf_field_get_error()) { - fprintf(stderr, "Missing procname context info\n"); + fprintf(stderr, "Missing fd context info\n"); goto error; } - tid = bt_ctf_get_int64(bt_ctf_get_field(call_data, - scope, "_tid")); - if (bt_ctf_field_get_error()) { - fprintf(stderr, "Missing tid context info\n"); + tmp = get_proc_pid(<tngtop, tid, pid, timestamp); + tmp->syscall_info = create_syscall_info(__NR_write, cpu_id, tid, fd); + + insert_file(tmp, fd); + + return BT_CB_OK; + +error: + return BT_CB_ERROR_STOP; +} + +enum bt_cb_ret handle_sys_read(struct ctf_event_definition *call_data, + void *private_data) +{ + struct processtop *tmp; + const struct definition *scope; + unsigned long timestamp; + uint64_t cpu_id; + int64_t tid, pid; + int fd; + + timestamp = bt_ctf_get_timestamp(call_data); + if (timestamp == -1ULL) goto error; - } + + tid = get_context_tid(call_data); + cpu_id = get_cpu_id(call_data); + + pid = get_context_pid(call_data); scope = bt_ctf_get_top_level_scope(call_data, - BT_STREAM_PACKET_CONTEXT); - cpu_id = bt_ctf_get_uint64(bt_ctf_get_field(call_data, - scope, "cpu_id")); + BT_EVENT_FIELDS); + fd = bt_ctf_get_uint64(bt_ctf_get_field(call_data, + scope, "_fd")); if (bt_ctf_field_get_error()) { - fprintf(stderr, "Missing cpu_id context info\n"); + fprintf(stderr, "Missing fd context info\n"); goto error; } - syscall_info = malloc(sizeof(struct syscalls)); - syscall_info->cpu_id = cpu_id; - syscall_info->type = __NR_write; - syscall_info->tid = tid; - tmp = get_proc(<tngtop, tid, comm, timestamp); - tmp->iostream->syscall_info = syscall_info; + tmp = get_proc_pid(<tngtop, tid, pid, timestamp); + tmp->syscall_info = create_syscall_info(__NR_read, cpu_id, tid, fd); + + insert_file(tmp, fd); return BT_CB_OK; @@ -162,56 +373,133 @@ error: return BT_CB_ERROR_STOP; } -enum bt_cb_ret handle_sys_read(struct bt_ctf_event *call_data, + +enum bt_cb_ret handle_sys_open(struct ctf_event_definition *call_data, void *private_data) { + struct processtop *tmp; - struct definition *scope; - struct syscalls * syscall_info; + const struct definition *scope; unsigned long timestamp; uint64_t cpu_id; - char *comm; - int64_t tid; + int64_t tid, pid; + char *file; + + timestamp = bt_ctf_get_timestamp(call_data); + if (timestamp == -1ULL) + goto error; + + tid = get_context_tid(call_data); + cpu_id = get_cpu_id(call_data); + + pid = get_context_pid(call_data); + + scope = bt_ctf_get_top_level_scope(call_data, + BT_EVENT_FIELDS); + file = bt_ctf_get_string(bt_ctf_get_field(call_data, + scope, "_filename")); + if (bt_ctf_field_get_error()) { + fprintf(stderr, "Missing file name context info\n"); + goto error; + } + + tmp = get_proc_pid(<tngtop, tid, pid, timestamp); + tmp->syscall_info = create_syscall_info(__NR_open, cpu_id, tid, -1); + + tmp->files_history = create_file(tmp->files_history, file); + + return BT_CB_OK; + +error: + return BT_CB_ERROR_STOP; +} + + +enum bt_cb_ret handle_sys_close(struct ctf_event_definition *call_data, + void *private_data) +{ + const struct definition *scope; + unsigned long timestamp; + int64_t tid, pid; + struct processtop *tmp; + int fd; timestamp = bt_ctf_get_timestamp(call_data); if (timestamp == -1ULL) goto error; + tid = get_context_tid(call_data); + + pid = get_context_pid(call_data); + scope = bt_ctf_get_top_level_scope(call_data, - BT_STREAM_EVENT_CONTEXT); - comm = bt_ctf_get_char_array(bt_ctf_get_field(call_data, - scope, "_procname")); + BT_EVENT_FIELDS); + fd = bt_ctf_get_uint64(bt_ctf_get_field(call_data, + scope, "_fd")); if (bt_ctf_field_get_error()) { - fprintf(stderr, "Missing procname context info\n"); + fprintf(stderr, "Missing fd context info\n"); goto error; } - tid = bt_ctf_get_int64(bt_ctf_get_field(call_data, - scope, "_tid")); + tmp = get_proc_pid(<tngtop, tid, pid, timestamp); + + close_file(tmp, fd); + + return BT_CB_OK; + +error: + return BT_CB_ERROR_STOP; +} + +enum bt_cb_ret handle_statedump_file_descriptor(struct ctf_event_definition *call_data, + void *private_data) +{ + const struct definition *scope; + struct processtop *parent; + struct files *file; + unsigned long timestamp; + int64_t pid; + char *file_name; + int fd; + + timestamp = bt_ctf_get_timestamp(call_data); + if (timestamp == -1ULL) + goto error; + + scope = bt_ctf_get_top_level_scope(call_data, + BT_EVENT_FIELDS); + pid = bt_ctf_get_int64(bt_ctf_get_field(call_data, + scope, "_pid")); if (bt_ctf_field_get_error()) { fprintf(stderr, "Missing tid context info\n"); goto error; } scope = bt_ctf_get_top_level_scope(call_data, - BT_STREAM_PACKET_CONTEXT); - cpu_id = bt_ctf_get_uint64(bt_ctf_get_field(call_data, - scope, "cpu_id")); + BT_EVENT_FIELDS); + fd = bt_ctf_get_int64(bt_ctf_get_field(call_data, + scope, "_fd")); if (bt_ctf_field_get_error()) { - fprintf(stderr, "Missing cpu_id context info\n"); + fprintf(stderr, "Missing fd context info\n"); goto error; } - syscall_info = malloc(sizeof(struct syscalls)); - syscall_info->cpu_id = cpu_id; - syscall_info->type = __NR_read; - syscall_info->tid = tid; - tmp = get_proc(<tngtop, tid, comm, timestamp); - tmp->iostream->syscall_info = syscall_info; + scope = bt_ctf_get_top_level_scope(call_data, + BT_EVENT_FIELDS); + file_name = bt_ctf_get_string(bt_ctf_get_field(call_data, + scope, "_filename")); + if (bt_ctf_field_get_error()) { + fprintf(stderr, "Missing file name context info\n"); + goto error; + } + + parent = get_proc_pid(<tngtop, pid, pid, timestamp); + parent->files_history = create_file(parent->files_history, file_name); + file = parent->files_history->file; + edit_file(parent, file, fd); return BT_CB_OK; error: return BT_CB_ERROR_STOP; } -