/*
- * Copyright (C) 2011 Julien Desfossez
+ * Copyright (C) 2011-2012 Julien Desfossez
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License Version 2 as
* 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 <babeltrace/ctf/events.h>
#include <stdlib.h>
+#include <linux/unistd.h>
#include <string.h>
#include "common.h"
+uint64_t get_cpu_id(const struct bt_ctf_event *event)
+{
+ const struct definition *scope;
+ uint64_t cpu_id;
+
+ scope = bt_ctf_get_top_level_scope(event, BT_STREAM_PACKET_CONTEXT);
+ cpu_id = bt_ctf_get_uint64(bt_ctf_get_field(event, scope, "cpu_id"));
+ if (bt_ctf_field_get_error()) {
+ fprintf(stderr, "[error] get cpu_id\n");
+ return -1ULL;
+ }
+
+ return cpu_id;
+}
+
+uint64_t get_context_tid(const struct bt_ctf_event *event)
+{
+ const struct definition *scope;
+ uint64_t tid;
+
+ scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT);
+ tid = bt_ctf_get_int64(bt_ctf_get_field(event,
+ scope, "_tid"));
+ if (bt_ctf_field_get_error()) {
+ fprintf(stderr, "Missing tid context info\n");
+ return -1ULL;
+ }
+
+ return tid;
+}
+
+uint64_t get_context_pid(const struct bt_ctf_event *event)
+{
+ const struct definition *scope;
+ uint64_t pid;
+
+ scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT);
+ pid = bt_ctf_get_int64(bt_ctf_get_field(event,
+ scope, "_pid"));
+ if (bt_ctf_field_get_error()) {
+ fprintf(stderr, "Missing pid context info\n");
+ return -1ULL;
+ }
+
+ return pid;
+}
+
+uint64_t get_context_ppid(const struct bt_ctf_event *event)
+{
+ const struct definition *scope;
+ uint64_t ppid;
+
+ scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT);
+ ppid = bt_ctf_get_int64(bt_ctf_get_field(event,
+ scope, "_ppid"));
+ if (bt_ctf_field_get_error()) {
+ fprintf(stderr, "Missing ppid context info\n");
+ return -1ULL;
+ }
+
+ return ppid;
+}
+
+char *get_context_comm(const struct bt_ctf_event *event)
+{
+ const struct definition *scope;
+ char *comm;
+
+ scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT);
+ comm = bt_ctf_get_char_array(bt_ctf_get_field(event,
+ scope, "_procname"));
+ if (bt_ctf_field_get_error()) {
+ fprintf(stderr, "Missing comm context info\n");
+ return NULL;
+ }
+
+ return comm;
+}
+
+/*
+ * To get the parent process, put the pid in the tid field
+ * because the parent process gets pid = tid
+ *
+ * FIXME : char *comm useful ???
+ */
struct processtop *find_process_tid(struct lttngtop *ctx, int tid, char *comm)
{
gint i;
newproc->tid = tid;
newproc->birth = timestamp;
newproc->process_files_table = g_ptr_array_new();
- newproc->files_history = g_new0(struct file_history, 1);
- newproc->files_history->next = NULL;
+ newproc->files_history = NULL;
newproc->totalfileread = 0;
newproc->totalfilewrite = 0;
newproc->fileread = 0;
newproc->filewrite = 0;
newproc->syscall_info = NULL;
+ newproc->threadparent = NULL;
newproc->threads = g_ptr_array_new();
newproc->perf = g_hash_table_new(g_str_hash, g_str_equal);
g_ptr_array_add(ctx->process_table, newproc);
+
+ ctx->nbnewthreads++;
+ ctx->nbthreads++;
}
newproc->comm = strdup(comm);
{
struct processtop *tmp;
tmp = find_process_tid(ctx, tid, comm);
- if (tmp && strcmp(tmp->comm, comm) == 0)
+ if (tmp && strcmp(tmp->comm, comm) == 0) {
tmp->death = timestamp;
+ ctx->nbdeadthreads++;
+ ctx->nbthreads--;
+ }
}
struct processtop* get_proc(struct lttngtop *ctx, int tid, char *comm,
return add_proc(ctx, tid, comm, timestamp);
}
+struct processtop *get_proc_pid(struct lttngtop *ctx, int tid, int pid,
+ unsigned long timestamp)
+{
+ struct processtop *tmp;
+ tmp = find_process_tid(ctx, tid, NULL);
+ if (tmp && tmp->pid == pid)
+ return tmp;
+ return add_proc(ctx, tid, "Unknown", timestamp);
+}
+
void add_thread(struct processtop *parent, struct processtop *thread)
{
gint i;
void copy_perf_counter(gpointer key, gpointer value, gpointer new_table)
{
struct perfcounter *newperf;
-
+
newperf = g_new0(struct perfcounter, 1);
newperf->count = ((struct perfcounter *) value)->count;
newperf->visible = ((struct perfcounter *) value)->visible;
if (tmpf != NULL) {
tmpf->read = 0;
tmpf->write = 0;
+
+ if (tmpf->flag == __NR_close)
+ g_ptr_array_index(
+ tmp->process_files_table, j
+ ) = NULL;
}
}
}
}
+void reset_global_counters()
+{
+ lttngtop.nbnewproc = 0;
+ lttngtop.nbdeadproc = 0;
+ lttngtop.nbnewthreads = 0;
+ lttngtop.nbdeadthreads = 0;
+ lttngtop.nbnewfiles = 0;
+ lttngtop.nbclosedfiles = 0;
+}
+
+void copy_global_counters(struct lttngtop *dst)
+{
+ dst->nbproc = lttngtop.nbproc;
+ dst->nbnewproc = lttngtop.nbnewproc;
+ dst->nbdeadproc = lttngtop.nbdeadproc;
+ dst->nbthreads = lttngtop.nbthreads;
+ dst->nbnewthreads = lttngtop.nbnewthreads;
+ dst->nbdeadthreads = lttngtop.nbdeadthreads;
+ dst->nbfiles = lttngtop.nbfiles;
+ dst->nbnewfiles = lttngtop.nbnewfiles;
+ dst->nbclosedfiles = lttngtop.nbclosedfiles;
+ reset_global_counters();
+}
+
struct lttngtop* get_copy_lttngtop(unsigned long start, unsigned long end)
{
gint i, j;
dst = g_new0(struct lttngtop, 1);
dst->start = start;
dst->end = end;
+ copy_global_counters(dst);
dst->process_table = g_ptr_array_new();
dst->files_table = g_ptr_array_new();
dst->cpu_table = g_ptr_array_new();
- dst->perf_list = g_hash_table_new(g_str_hash, g_str_equal);
rotate_cputime(end);
- g_hash_table_foreach(lttngtop.perf_list, copy_perf_counter, dst->perf_list);
for (i = 0; i < lttngtop.process_table->len; i++) {
tmp = g_ptr_array_index(lttngtop.process_table, i);
new = g_new0(struct processtop, 1);
new->threads = g_ptr_array_new();
new->comm = strdup(tmp->comm);
new->process_files_table = g_ptr_array_new();
+ new->files_history = tmp->files_history;
new->perf = g_hash_table_new(g_str_hash, g_str_equal);
g_hash_table_foreach(tmp->perf, copy_perf_counter, new->perf);
* files associated with if after the copy
*/
if (tmp->death > 0 && tmp->death < end) {
+ /* FIXME : close the files before */
g_ptr_array_remove(tmp->process_files_table, tmpfile);
g_free(tmpfile);
}
return dst;
}
+
+enum bt_cb_ret handle_statedump_process_state(struct bt_ctf_event *call_data,
+ void *private_data)
+{
+ const struct definition *scope;
+ struct processtop *proc;
+ unsigned long timestamp;
+ int64_t pid, tid;
+ char *procname;
+
+ timestamp = bt_ctf_get_real_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 pid context info\n");
+ goto error;
+ }
+
+ scope = bt_ctf_get_top_level_scope(call_data,
+ BT_EVENT_FIELDS);
+ 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;
+ }
+
+ /*
+ * FIXME
+ * I first tried with bt_ctf_get_string but doesn`t work at all
+ * It couldn`t find the field _name because it is an integer in
+ * the metadata and not a string like _filename for the
+ * statedump_file_descriptor
+ */
+ scope = bt_ctf_get_top_level_scope(call_data,
+ BT_EVENT_FIELDS);
+ procname = bt_ctf_get_char_array(bt_ctf_get_field(call_data,
+ scope, "_name"));
+ if (bt_ctf_field_get_error()) {
+ fprintf(stderr, "Missing process name context info\n");
+ goto error;
+ }
+
+ proc = find_process_tid(<tngtop, tid, procname);
+ if (proc == NULL)
+ proc = add_proc(<tngtop, tid, procname, timestamp);
+
+ free(proc->comm);
+ proc->comm = strdup(procname);
+ proc->pid = pid;
+
+ /*
+ * FIXME
+ * I would like to free procname because it is duplicated
+ * when the process is created but it segfaults...
+ *
+ * free(procname);
+ */
+
+ return BT_CB_OK;
+
+error:
+ return BT_CB_ERROR_STOP;
+}
projects / lttngtop.git / blobdiff