return ppid;
}
+uint64_t get_context_vtid(const struct bt_ctf_event *event)
+{
+ const struct definition *scope;
+ uint64_t vtid;
+
+ scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT);
+ vtid = bt_ctf_get_int64(bt_ctf_get_field(event,
+ scope, "_vtid"));
+ if (bt_ctf_field_get_error()) {
+ return -1ULL;
+ }
+
+ return vtid;
+}
+
+uint64_t get_context_vpid(const struct bt_ctf_event *event)
+{
+ const struct definition *scope;
+ uint64_t vpid;
+
+ scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT);
+ vpid = bt_ctf_get_int64(bt_ctf_get_field(event,
+ scope, "_vpid"));
+ if (bt_ctf_field_get_error()) {
+ return -1ULL;
+ }
+
+ return vpid;
+}
+
+uint64_t get_context_vppid(const struct bt_ctf_event *event)
+{
+ const struct definition *scope;
+ uint64_t vppid;
+
+ scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT);
+ vppid = bt_ctf_get_int64(bt_ctf_get_field(event,
+ scope, "_vppid"));
+ if (bt_ctf_field_get_error()) {
+ return -1ULL;
+ }
+
+ return vppid;
+}
+
char *get_context_comm(const struct bt_ctf_event *event)
{
const struct bt_definition *scope;
return comm;
}
+char *get_context_hostname(const struct bt_ctf_event *event)
+{
+ const struct definition *scope;
+ char *hostname;
+
+ scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT);
+ hostname = bt_ctf_get_char_array(bt_ctf_get_field(event,
+ scope, "_hostname"));
+ if (bt_ctf_field_get_error()) {
+ return NULL;
+ }
+
+ return hostname;
+}
+
/*
* 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;
struct processtop *tmp;
- for (i = 0; i < ctx->process_table->len; i++) {
- tmp = g_ptr_array_index(ctx->process_table, i);
- if (tmp && tmp->tid == tid)
- return tmp;
- }
- return NULL;
+ tmp = g_hash_table_lookup(ctx->process_hash_table,
+ (gconstpointer) (unsigned long) tid);
+
+ return tmp;
}
struct processtop* add_proc(struct lttngtop *ctx, int tid, char *comm,
/* if the PID already exists, we just rename the process */
/* FIXME : need to integrate with clone/fork/exit to be accurate */
newproc = find_process_tid(ctx, tid, comm);
+
if (!newproc) {
newproc = g_new0(struct processtop, 1);
newproc->tid = tid;
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);
-
+ g_hash_table_insert(ctx->process_hash_table,
+ (gpointer) (unsigned long) tid, newproc);
+ if (lookup_tid_list(tid)) {
+ add_filter_tid_list(tid, newproc);
+ }
ctx->nbnewthreads++;
ctx->nbthreads++;
}
}
struct processtop* update_proc(struct processtop* proc, int pid, int tid,
- int ppid, char *comm)
+ int ppid, int vpid, int vtid, int vppid, char *comm, char *hostname)
{
if (proc) {
proc->pid = pid;
proc->tid = tid;
proc->ppid = ppid;
+ proc->vpid = vpid;
+ proc->vtid = vtid;
+ proc->vppid = vppid;
if (strcmp(proc->comm, comm) != 0) {
free(proc->comm);
proc->comm = strdup(comm);
}
+ if (hostname) {
+ if (proc->hostname && strcmp(proc->hostname, hostname) != 0) {
+ free(proc->hostname);
+ }
+ proc->hostname = strdup(hostname);
+ if (lookup_hostname_list(hostname)) {
+ add_filter_tid_list(tid, proc);
+ }
+ }
}
return proc;
}
{
struct processtop *tmp;
tmp = find_process_tid(ctx, tid, comm);
+
+ g_hash_table_remove(ctx->process_hash_table,
+ (gpointer) (unsigned long) tid);
if (tmp && strcmp(tmp->comm, comm) == 0) {
tmp->death = timestamp;
ctx->nbdeadthreads++;
gint i;
struct processtop *tmp;
+ if (!parent)
+ return;
+
for (i = 0; i < parent->threads->len; i++) {
tmp = g_ptr_array_index(parent->threads, i);
if (tmp == thread)
g_hash_table_insert((GHashTable *) new_table, strdup(key), newperf);
}
+void copy_process_table(gpointer key, gpointer value, gpointer new_table)
+{
+ g_hash_table_insert((GHashTable *) new_table, key, value);
+}
+
void rotate_perfcounter() {
int i;
struct processtop *tmp;
struct processtop *tmp, *tmp2, *new;
struct cputime *tmpcpu, *newcpu;
struct files *tmpfile, *newfile;
+ struct kprobes *tmpprobe, *newprobe;
dst = g_new0(struct lttngtop, 1);
dst->start = start;
dst->process_table = g_ptr_array_new();
dst->files_table = g_ptr_array_new();
dst->cpu_table = g_ptr_array_new();
+ dst->kprobes_table = g_ptr_array_new();
+ dst->process_hash_table = g_hash_table_new(g_direct_hash, g_direct_equal);
+ g_hash_table_foreach(lttngtop.process_hash_table, copy_process_table,
+ dst->process_hash_table);
rotate_cputime(end);
*/
g_ptr_array_add(dst->cpu_table, newcpu);
}
+ if (lttngtop.kprobes_table) {
+ for (i = 0; i < lttngtop.kprobes_table->len; i++) {
+ tmpprobe = g_ptr_array_index(lttngtop.kprobes_table, i);
+ newprobe = g_new0(struct kprobes, 1);
+ memcpy(newprobe, tmpprobe, sizeof(struct kprobes));
+ tmpprobe->count = 0;
+ g_ptr_array_add(dst->kprobes_table, newprobe);
+ }
+ }
/* FIXME : better algo */
/* create the threads index if required */
for (i = 0; i < dst->process_table->len; i++) {
const struct bt_definition *scope;
struct processtop *proc;
unsigned long timestamp;
- int64_t pid, tid;
+ int64_t pid, tid, ppid, vtid, vpid, vppid;
char *procname;
- timestamp = bt_ctf_get_real_timestamp(call_data);
+ timestamp = bt_ctf_get_timestamp(call_data);
if (timestamp == -1ULL)
goto error;
fprintf(stderr, "Missing pid context info\n");
goto error;
}
-
- scope = bt_ctf_get_top_level_scope(call_data,
- BT_EVENT_FIELDS);
+ ppid = bt_ctf_get_int64(bt_ctf_get_field(call_data,
+ scope, "_ppid"));
+ if (bt_ctf_field_get_error()) {
+ fprintf(stderr, "Missing ppid 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;
}
+ vtid = bt_ctf_get_int64(bt_ctf_get_field(call_data,
+ scope, "_vtid"));
+ if (bt_ctf_field_get_error()) {
+ fprintf(stderr, "Missing vtid context info\n");
+ goto error;
+ }
+ vpid = bt_ctf_get_int64(bt_ctf_get_field(call_data,
+ scope, "_vpid"));
+ if (bt_ctf_field_get_error()) {
+ fprintf(stderr, "Missing vpid context info\n");
+ goto error;
+ }
+ vppid = bt_ctf_get_int64(bt_ctf_get_field(call_data,
+ scope, "_vppid"));
+ if (bt_ctf_field_get_error()) {
+ fprintf(stderr, "Missing vppid 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,
proc = find_process_tid(<tngtop, tid, procname);
if (proc == NULL)
proc = add_proc(<tngtop, tid, procname, timestamp);
+ update_proc(proc, pid, tid, ppid, vpid, vtid, vppid, procname, NULL);
- 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);
- */
+ if (proc) {
+ free(proc->comm);
+ proc->comm = strdup(procname);
+ proc->pid = pid;
+ }
return BT_CB_OK;
error:
return BT_CB_ERROR_STOP;
}
+
+struct tm format_timestamp(uint64_t timestamp)
+{
+ struct tm tm;
+ uint64_t ts_sec = 0, ts_nsec;
+ time_t time_s;
+
+ ts_nsec = timestamp;
+ ts_sec += ts_nsec / NSEC_PER_SEC;
+ ts_nsec = ts_nsec % NSEC_PER_SEC;
+
+ time_s = (time_t) ts_sec;
+
+ localtime_r(&time_s, &tm);
+
+ return tm;
+}
+
+int *lookup_tid_list(int tid)
+{
+ if (!tid_list)
+ return NULL;
+
+ return g_hash_table_lookup(tid_list, (gpointer) &tid);
+}
+
+char *lookup_hostname_list(const char *hostname)
+{
+ if (!hostname || !hostname_list)
+ return NULL;
+
+ return g_hash_table_lookup(hostname_list, (gpointer) hostname);
+}
+
+int *lookup_filter_tid_list(int tid)
+{
+ return g_hash_table_lookup(global_filter_list, (gpointer) &tid);
+}
+
+void add_filter_tid_list(int tid, struct processtop *newproc)
+{
+ unsigned long *hash_tid;
+
+ hash_tid = malloc(sizeof(unsigned long));
+ *hash_tid = tid;
+ g_hash_table_insert(global_filter_list,
+ (gpointer) (unsigned long) hash_tid, newproc);
+}
+
+void remove_filter_tid_list(int tid)
+{
+ g_hash_table_remove(global_filter_list,
+ (gpointer) (unsigned long) &tid);
+}