Support LATENCY DOCTOR command

src/main/java/redis/clients/jedis/Jedis.java

@@ -9193,6 +9193,13 @@ public String lolwut(LolwutParams lolwutParams) {
     return connection.getBulkReply();
   }
 
+  @Override
+  public String latencyDoctor() {
+    checkIsInMultiOrPipeline();
+    connection.sendCommand(LATENCY, DOCTOR);
+    return connection.getBulkReply();
+  }
+
   @Override
   public StreamEntryID xadd(final String key, final StreamEntryID id, final Map<String, String> hash) {
     checkIsInMultiOrPipeline();

src/main/java/redis/clients/jedis/Protocol.java

@@ -237,7 +237,7 @@ public static enum Command implements ProtocolCommand {
     XADD, XLEN, XDEL, XTRIM, XRANGE, XREVRANGE, XREAD, XACK, XGROUP, XREADGROUP, XPENDING, XCLAIM,
     XAUTOCLAIM, XINFO, BITFIELD_RO, ROLE, FAILOVER, GEOSEARCH, GEOSEARCHSTORE, EVAL_RO, EVALSHA_RO,
     LOLWUT, EXPIRETIME, PEXPIRETIME, FUNCTION, FCALL, FCALL_RO, LMPOP, BLMPOP, ZMPOP, BZMPOP,
-    COMMAND, @Deprecated STRALGO;
+    COMMAND, LATENCY, @Deprecated STRALGO;
 
     private final byte[] raw;
 

src/main/java/redis/clients/jedis/commands/ServerCommands.java

@@ -221,4 +221,20 @@ public interface ServerCommands {
   String lolwut();
 
   String lolwut(LolwutParams lolwutParams);
+
+  /**
+   * The LATENCY DOCTOR command reports about different latency-related issues and advises about
+   * possible remedies.
+   * <p>
+   * This command is the most powerful analysis tool in the latency monitoring framework, and is
+   * able to provide additional statistical data like the average period between latency spikes, the
+   * median deviation, and a human-readable analysis of the event. For certain events, like fork,
+   * additional information is provided, like the rate at which the system forks processes.
+   * <p>
+   * This is the output you should post in the Redis mailing list if you are looking for help about
+   * Latency related issues.
+   *
+   * @return the report
+   */
+  String latencyDoctor();
 }

src/test/java/redis/clients/jedis/commands/jedis/AllKindOfValuesCommandsTest.java

@@ -78,6 +78,12 @@ public void lolwut() {
     assertNotNull(lolwutVersion);
   }
 
+  @Test
+  public void latencyDoctor() {
+    String report = jedis.latencyDoctor();
+    assertNotNull(report);
+  }
+
   @Test
   public void exists() {
     String status = jedis.set("foo", "bar");