diff --git a/src/latency.c b/src/latency.c index d89c48db..97e6a702 100644 --- a/src/latency.c +++ b/src/latency.c @@ -562,11 +562,21 @@ sds latencyCommandGenSparkeline(char *event, struct latencyTimeSeries *ts) { * * LATENCY HISTORY: return time-latency samples for the specified event. * LATENCY LATEST: return the latest latency for all the events classes. - * LATENCY DOCTOR: returns an human readable analysis of instance latency. + * LATENCY DOCTOR: returns a human readable analysis of instance latency. * LATENCY GRAPH: provide an ASCII graph of the latency of the specified event. * LATENCY RESET: reset data of a specified event or all the data if no event provided. */ void latencyCommand(client *c) { + const char *help[] = { +"DOCTOR -- Returns a human readable latency analysis report.", +"GRAPH -- Returns an ASCII latency graph for the event class.", +"HISTORY -- Returns time-latency samples for the event class.", +"LATEST -- Returns the latest latency samples for all events.", +"RESET [event ...] -- Resets latency data of one or more event classes.", +" (default: reset all data for all event classes)", +"HELP -- Prints this help.", +NULL + }; struct latencyTimeSeries *ts; if (!strcasecmp(c->argv[1]->ptr,"history") && c->argc == 3) { @@ -611,8 +621,10 @@ void latencyCommand(client *c) { resets += latencyResetEvent(c->argv[j]->ptr); addReplyLongLong(c,resets); } + } else if (!strcasecmp(c->argv[1]->ptr,"help") && c->argc >= 2) { + addReplyHelp(c, help); } else { - addReply(c,shared.syntaxerr); + addReplySubcommandSyntaxError(c); } return;