perf record: Add 'snapshot' control command

[mirror_ubuntu-hirsute-kernel.git] / tools / perf / util / evlist.h

diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index a5678eb5ee6012c3bff8a06dea073f140b72db94..91d1da6e1fe397793d7421ca51af816c13a34eab 100644 (file)
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -363,6 +363,7 @@ struct evsel *perf_evlist__reset_weak_group(struct evlist *evlist,
 #define EVLIST_CTL_CMD_ENABLE_TAG  "enable"
 #define EVLIST_CTL_CMD_DISABLE_TAG "disable"
 #define EVLIST_CTL_CMD_ACK_TAG     "ack\n"
+#define EVLIST_CTL_CMD_SNAPSHOT_TAG "snapshot"
 
 #define EVLIST_CTL_CMD_MAX_LEN 64
 
@@ -370,7 +371,8 @@ enum evlist_ctl_cmd {
        EVLIST_CTL_CMD_UNSUPPORTED = 0,
        EVLIST_CTL_CMD_ENABLE,
        EVLIST_CTL_CMD_DISABLE,
-       EVLIST_CTL_CMD_ACK
+       EVLIST_CTL_CMD_ACK,
+       EVLIST_CTL_CMD_SNAPSHOT,
 };
 
 int evlist__parse_control(const char *str, int *ctl_fd, int *ctl_fd_ack, bool *ctl_fd_close);
@@ -378,6 +380,7 @@ int evlist__initialize_ctlfd(struct evlist *evlist, int ctl_fd, int ctl_fd_ack);
 int evlist__finalize_ctlfd(struct evlist *evlist);
 bool evlist__ctlfd_initialized(struct evlist *evlist);
 int evlist__ctlfd_process(struct evlist *evlist, enum evlist_ctl_cmd *cmd);
+int evlist__ctlfd_ack(struct evlist *evlist);
 
 #define EVLIST_ENABLED_MSG "Events enabled\n"
 #define EVLIST_DISABLED_MSG "Events disabled\n"