#include <common/payload.h>
#include <common/payload-view.h>
#include <common/runas.h>
+#include <common/hashtable/hashtable.h>
+#include <common/hashtable/utils.h>
#include <lttng/event-rule/event-rule-internal.h>
#include <lttng/event-rule/tracepoint-internal.h>
free(ptr);
}
+static unsigned long lttng_event_rule_tracepoint_hash(
+ const struct lttng_event_rule *rule)
+{
+ unsigned long hash;
+ unsigned int i, exclusion_count;
+ enum lttng_event_rule_status status;
+ struct lttng_event_rule_tracepoint *tp_rule =
+ container_of(rule, typeof(*tp_rule), parent);
+
+ hash = hash_key_ulong((void *) LTTNG_EVENT_RULE_TYPE_TRACEPOINT,
+ lttng_ht_seed);
+ hash ^= hash_key_ulong((void *) tp_rule->domain, lttng_ht_seed);
+ hash ^= hash_key_str(tp_rule->pattern, lttng_ht_seed);
+
+ if (tp_rule->filter_expression) {
+ hash ^= hash_key_str(tp_rule->filter_expression, lttng_ht_seed);
+ }
+
+ hash ^= hash_key_ulong((void *) tp_rule->loglevel.type,
+ lttng_ht_seed);
+ if (tp_rule->loglevel.type != LTTNG_EVENT_LOGLEVEL_ALL) {
+ hash ^= hash_key_ulong(
+ (void *) (unsigned long) tp_rule->loglevel.value,
+ lttng_ht_seed);
+ }
+
+ status = lttng_event_rule_tracepoint_get_exclusions_count(rule,
+ &exclusion_count);
+ assert(status == LTTNG_EVENT_RULE_STATUS_OK);
+
+ for (i = 0; i < exclusion_count; i++) {
+ const char *exclusion;
+
+ status = lttng_event_rule_tracepoint_get_exclusion_at_index(
+ rule, i, &exclusion);
+ assert(status == LTTNG_EVENT_RULE_STATUS_OK);
+ hash ^= hash_key_str(exclusion, lttng_ht_seed);
+ }
+
+ return hash;
+}
+
struct lttng_event_rule *lttng_event_rule_tracepoint_create(
enum lttng_domain_type domain_type)
{
lttng_event_rule_tracepoint_get_internal_filter_bytecode;
tp_rule->parent.generate_exclusions =
lttng_event_rule_tracepoint_generate_exclusions;
+ tp_rule->parent.hash = lttng_event_rule_tracepoint_hash;
tp_rule->domain = domain_type;
tp_rule->loglevel.type = LTTNG_EVENT_LOGLEVEL_ALL;