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[lttngtop.git] / src / cputop.c

diff --git a/src/cputop.c b/src/cputop.c
index 65cafb5fdb992703a01c0d72422207be724caa45..a2e5af9505afad7d0c6d31435ea76fb241f09e78 100644 (file)
--- a/src/cputop.c
+++ b/src/cputop.c
@@ -20,6 +20,7 @@
 #include "lttngtoptypes.h"
 #include "common.h"
 #include "cputop.h"
+#include "lttngtop.h"
 
 void update_cputop_data(unsigned long timestamp, int64_t cpu, int prev_pid,
                int next_pid, char *prev_comm, char *next_comm, char *hostname)
@@ -139,3 +140,55 @@ error:
 
 }
 
+enum bt_cb_ret handle_sched_process_fork(struct bt_ctf_event *call_data,
+               void *private_data)
+{
+       const struct bt_definition *scope;
+       struct processtop *tmp;
+       int tid, *hash_tid, parent_pid;
+       unsigned long timestamp;
+       char *comm;
+
+       timestamp = bt_ctf_get_timestamp(call_data);
+       if (timestamp == -1ULL)
+               goto error;
+
+       scope = bt_ctf_get_top_level_scope(call_data,
+                       BT_EVENT_FIELDS);
+       comm = bt_ctf_get_char_array(bt_ctf_get_field(call_data,
+                               scope, "_child_comm"));
+       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, "_child_tid"));
+       if (bt_ctf_field_get_error()) {
+               fprintf(stderr, "Missing child_tid field\n");
+               goto error;
+       }
+
+       parent_pid = bt_ctf_get_int64(bt_ctf_get_field(call_data,
+                               scope, "_parent_pid"));
+       if (bt_ctf_field_get_error()) {
+               fprintf(stderr, "Missing parent_pid field\n");
+               goto error;
+       }
+
+       tmp = get_proc(&lttngtop, tid, comm, timestamp, NULL);
+
+       if (opt_child) {
+               hash_tid = lookup_filter_tid_list(parent_pid);
+               if (hash_tid) {
+                       add_filter_tid_list(tmp);
+               }
+       }
+
+       return BT_CB_OK;
+
+error:
+       return BT_CB_ERROR_STOP;
+
+}
+