Amend sampling rate

Author: estringana

Diff for: appsec/tests/extension/client_init_record_span_tags.phpt

@@ -107,7 +107,7 @@ Array
     [metric_1] => 2
     [metric_2] => 10
     [_dd.appsec.enabled] => 1
-    [_sampling_priority_v1] => 1
+    [_sampling_priority_v1] => 2
     [php.compilation.total_time_ms] => %f
     [php.memory.peak_usage_bytes] => %f
     [php.memory.peak_real_usage_bytes] => %f

Diff for: appsec/tests/extension/rinit_record_span_tags.phpt

@@ -100,7 +100,7 @@ Array
     [%s] => %d
     [rshutdown_metric] => 2.1
     [_dd.appsec.enabled] => 1
-    [_sampling_priority_v1] => 1
+    [_sampling_priority_v1] => 2
     [php.compilation.total_time_ms] => %f
     [php.memory.peak_usage_bytes] => %f
     [php.memory.peak_real_usage_bytes] => %f

Diff for: ext/asm_event.c

@@ -24,7 +24,7 @@ DDTRACE_PUBLIC void ddtrace_emit_asm_event() {
     ZVAL_STR(&_1_zval, _1_zstr);
     ddtrace_add_propagated_tag(_dd_tag_p_appsec_zstr, &_1_zval);
 
-    ddtrace_set_priority_sampling_on_root(PRIORITY_SAMPLING_AUTO_KEEP, DD_MECHANISM_ASM);
+    ddtrace_set_priority_sampling_on_root(PRIORITY_SAMPLING_USER_KEEP, DD_MECHANISM_ASM);
 }
 
 PHP_FUNCTION(DDTrace_Testing_emit_asm_event) {

Diff for: tests/ext/background-sender/agent_sampling-standalone-asm_02.phpt

@@ -47,7 +47,7 @@ echo "This call also has the same sample rate: {$get_sampling()}\n";
 ?>
 --EXPECTF--
 [ddtrace] [info] Flushing trace of size 1 to send-queue for http://request-replayer:80
-First call it is used as heartbeat: 2
+First call it is used as heartbeat: 1
 [ddtrace] [info] Flushing trace of size 1 to send-queue for http://request-replayer:80
 This call has the same sample rate: 2
 [ddtrace] [info] Flushing trace of size 1 to send-queue for http://request-replayer:80