summaryrefslogtreecommitdiffstats
path: root/tools/perf/util/evlist.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/util/evlist.c')
-rw-r--r--tools/perf/util/evlist.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 00593e5f2a9d..e72ff7e78dec 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -1887,13 +1887,17 @@ static int evlist__ctlfd_recv(struct evlist *evlist, enum evlist_ctl_cmd *cmd,
} else if (!strncmp(cmd_data, EVLIST_CTL_CMD_DISABLE_TAG,
(sizeof(EVLIST_CTL_CMD_DISABLE_TAG)-1))) {
*cmd = EVLIST_CTL_CMD_DISABLE;
+ } else if (!strncmp(cmd_data, EVLIST_CTL_CMD_SNAPSHOT_TAG,
+ (sizeof(EVLIST_CTL_CMD_SNAPSHOT_TAG)-1))) {
+ *cmd = EVLIST_CTL_CMD_SNAPSHOT;
+ pr_debug("is snapshot\n");
}
}
return bytes_read ? (int)bytes_read : err;
}
-static int evlist__ctlfd_ack(struct evlist *evlist)
+int evlist__ctlfd_ack(struct evlist *evlist)
{
int err;
@@ -1929,13 +1933,16 @@ int evlist__ctlfd_process(struct evlist *evlist, enum evlist_ctl_cmd *cmd)
case EVLIST_CTL_CMD_DISABLE:
evlist__disable(evlist);
break;
+ case EVLIST_CTL_CMD_SNAPSHOT:
+ break;
case EVLIST_CTL_CMD_ACK:
case EVLIST_CTL_CMD_UNSUPPORTED:
default:
pr_debug("ctlfd: unsupported %d\n", *cmd);
break;
}
- if (!(*cmd == EVLIST_CTL_CMD_ACK || *cmd == EVLIST_CTL_CMD_UNSUPPORTED))
+ if (!(*cmd == EVLIST_CTL_CMD_ACK || *cmd == EVLIST_CTL_CMD_UNSUPPORTED ||
+ *cmd == EVLIST_CTL_CMD_SNAPSHOT))
evlist__ctlfd_ack(evlist);
}
}