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    Naman,<br>
    <br>
    It seems to me not related to safe point. Because the entry has <br>
    <span class="yiv4341578134"
      id="yiv4341578134yui_3_16_0_1_1444120972912_3703"> [Times:
      user=0.38 sys=0.02, real=0.75 secs] <br>
      indicating it is 0.75 sec when collection at safe point is done.<br>
      What I do not understand is the time 0.0355102 sec is printed
      after the evacuation is done. The only difference between </span><span
      class="yiv4341578134"
      id="yiv4341578134yui_3_16_0_1_1444120972912_3703">0.0355102 and
      last entry is some book keeping stuff. But we are using much more
      user and real time. The big difference between real and user time
      means the gc threads can not be scheduled to get cpu. But no
      explanation for </span><span class="yiv4341578134"
      id="yiv4341578134yui_3_16_0_1_1444120972912_3703">0.0355102 vs
      0.38 sec.<br>
      <br>
      Do you see this happen a lot? Is your system cpu saturated?<br>
    </span><br>
    <pre class="moz-signature" cols="72">Thanks,
Jenny</pre>
    <div class="moz-cite-prefix">On 10/6/2015 9:32 AM, Naman Jain wrote:<br>
    </div>
    <blockquote
cite="mid:1234701443.1247746.1444149173316.JavaMail.yahoo@mail.yahoo.com"
      type="cite">
      <div style="color:#000; background-color:#fff;
        font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial,
        Lucida Grande, Sans-Serif;font-size:13px">
        <div id="yui_3_16_0_1_1444145774385_11360"><span>Hey jenny,</span></div>
        <div id="yui_3_16_0_1_1444145774385_11360"><span><br>
          </span></div>
        <div id="yui_3_16_0_1_1444145774385_11360"><span>JVM version
            used is:</span></div>
        <div id="yui_3_16_0_1_1444145774385_11360">
        </div>
        <div class="" id="yui_3_16_0_1_1444145774385_11926"><span
            class="" id="yui_3_16_0_1_1444145774385_11928">java version
            "1.8.0_40"</span></div>
        <div class="" id="yui_3_16_0_1_1444145774385_11930"><span
            class="" id="yui_3_16_0_1_1444145774385_11932">Java(TM) SE
            Runtime Environment (build 1.8.0_40-b26)</span></div>
        <div class="" dir="ltr" id="yui_3_16_0_1_1444145774385_11362">
        </div>
        <div class="" dir="ltr" id="yui_3_16_0_1_1444145774385_11934"><span
            class="" id="yui_3_16_0_1_1444145774385_11936">Java
            HotSpot(TM) 64-Bit Server VM (build 25.40-b25, mixed mode)</span></div>
        <div class="" dir="ltr" id="yui_3_16_0_1_1444145774385_11934"><span
            class=""><br>
          </span></div>
        <div class="" dir="ltr" id="yui_3_16_0_1_1444145774385_11934">-Naman</div>
        <br>
        <div class="qtdSeparateBR"><br>
          <br>
        </div>
        <div class="yahoo_quoted" style="display: block;">
          <div style="font-family: HelveticaNeue, Helvetica Neue,
            Helvetica, Arial, Lucida Grande, Sans-Serif; font-size:
            13px;">
            <div style="font-family: HelveticaNeue, Helvetica Neue,
              Helvetica, Arial, Lucida Grande, Sans-Serif; font-size:
              16px;">
              <div dir="ltr"> <font size="2" face="Arial"> On Tuesday,
                  6 October 2015 9:56 PM, Naman Jain
                  <a class="moz-txt-link-rfc2396E" href="mailto:naman.jain1894@yahoo.in"><naman.jain1894@yahoo.in></a> wrote:<br>
                </font> </div>
              <br>
              <br>
              <div class="y_msg_container">
                <div id="yiv4341578134">
                  <div>
                    <div
                      style="color:#000;background-color:#fff;font-family:HelveticaNeue,
                      Helvetica Neue, Helvetica, Arial, Lucida Grande,
                      Sans-Serif;font-size:13px;">
                      <div
                        id="yiv4341578134yui_3_16_0_1_1444145774385_8796"><span
id="yiv4341578134yui_3_16_0_1_1444145774385_8874"><font
                            id="yiv4341578134yui_3_16_0_1_1444145774385_8957"
                            size="2">Hey Jenny,</font></span></div>
                      <div
                        id="yiv4341578134yui_3_16_0_1_1444145774385_8797"><span><font
                            size="2"><br clear="none">
                          </font></span></div>
                      <div
                        id="yiv4341578134yui_3_16_0_1_1444145774385_8241"><span
id="yiv4341578134yui_3_16_0_1_1444145774385_8798"><font
                            id="yiv4341578134yui_3_16_0_1_1444145774385_8961"
                            size="2">I checked the sar files, there was
                            no swapping or waiting on i/o.</font></span></div>
                      <div
                        id="yiv4341578134yui_3_16_0_1_1444145774385_8240"><span
id="yiv4341578134yui_3_16_0_1_1444145774385_8869"><font size="2">The jvm
                            I am using is:</font></span></div>
                      <div>
                      </div>
                      <div class="yiv4341578134" dir="ltr"
                        id="yiv4341578134yui_3_16_0_1_1444145774385_8209"><span
                          class="yiv4341578134"
                          id="yiv4341578134yui_3_16_0_1_1444145774385_8211"><font
id="yiv4341578134yui_3_16_0_1_1444145774385_8962" size="2">Java
                            HotSpot(TM) 64-Bit Server VM (25.40-b25) for
                            linux-amd64 JRE (1.8.0_40-b26)</font></span></div>
                      <div class="yiv4341578134" dir="ltr"
                        id="yiv4341578134yui_3_16_0_1_1444145774385_8209"><span
                          class="yiv4341578134"
                          id="yiv4341578134yui_3_16_0_1_1444145774385_8867"><font
id="yiv4341578134yui_3_16_0_1_1444145774385_8963" size="2">Can you tell
                            me any other reason which might have caused
                            this ?</font></span></div>
                      <div class="yiv4341578134" dir="ltr"
                        id="yiv4341578134yui_3_16_0_1_1444145774385_8209">Also,
                        does safepoint have anything do with this ?</div>
                      <div class="yiv4341578134" dir="ltr"
                        id="yiv4341578134yui_3_16_0_1_1444145774385_8209"><span
                          class="yiv4341578134"
                          id="yiv4341578134yui_3_16_0_1_1444145774385_8872"><font
id="yiv4341578134yui_3_16_0_1_1444145774385_9002" size="2">Thanks </font></span></div>
                      <div class="yiv4341578134" dir="ltr"
                        id="yiv4341578134yui_3_16_0_1_1444145774385_8209"><span
                          class="yiv4341578134"><font size="2"><br
                              clear="none">
                          </font></span></div>
                      <div class="yiv4341578134" dir="ltr"
                        id="yiv4341578134yui_3_16_0_1_1444145774385_8209"><span
                          class="yiv4341578134"
                          id="yiv4341578134yui_3_16_0_1_1444145774385_8877"><font
id="yiv4341578134yui_3_16_0_1_1444145774385_8959" size="2">Naman</font></span></div>
                      <br clear="none">
                      <div class="yiv4341578134qtdSeparateBR"><br
                          clear="none">
                        <br clear="none">
                      </div>
                      <div class="yiv4341578134yqt3607252946"
                        id="yiv4341578134yqt24398">
                        <div class="yiv4341578134yahoo_quoted"
                          style="display:block;">
                          <div style="font-family:HelveticaNeue,
                            Helvetica Neue, Helvetica, Arial, Lucida
                            Grande, Sans-Serif;font-size:13px;">
                            <div style="font-family:HelveticaNeue,
                              Helvetica Neue, Helvetica, Arial, Lucida
                              Grande, Sans-Serif;font-size:16px;">
                              <div dir="ltr"> <font size="2"
                                  face="Arial"> On Tuesday, 6 October
                                  2015 9:00 PM, Yu Zhang
                                  <a class="moz-txt-link-rfc2396E" href="mailto:yu.zhang@oracle.com"><yu.zhang@oracle.com></a> wrote:<br
                                    clear="none">
                                </font> </div>
                              <br clear="none">
                              <br clear="none">
                              <div class="yiv4341578134y_msg_container">
                                <div id="yiv4341578134">
                                  <div> <font size="-1"><tt>Naman,<br
                                          clear="none">
                                        <br clear="none">
                                        This entry is very strange, <br
                                          clear="none">
                                        it has 0.0355102 sec for gc
                                        pause, but the time stamp at the
                                        bottom has<br clear="none">
                                      </tt></font><span
                                      class="yiv4341578134"
                                      id="yiv4341578134yui_3_16_0_1_1444120972912_3703"><small><small> [Times:

                                          user=0.38 sys=0.02, real=0.75
                                          secs] <br clear="none">
                                          The real time matches
                                          PrintGCApplicationStoppedTime.<br
                                            clear="none">
                                          Since there are 18 gc threads,
                                          if not blocked by something,
                                          the real time should be
                                          smaller than user time.<br
                                            clear="none">
                                          can you check if the system is
                                          swapping or waiting on i/o?<br
                                            clear="none">
                                          Which JVM are you using?<br
                                            clear="none">
                                          <br clear="none">
                                        </small></small></span>
                                    <pre class="yiv4341578134moz-signature">Thanks,
Jenny</pre>
                                    <div
                                      class="yiv4341578134yqt2952001786"
                                      id="yiv4341578134yqt35913">
                                      <div
                                        class="yiv4341578134moz-cite-prefix">On
                                        10/6/2015 1:58 AM, Naman Jain
                                        wrote:<br clear="none">
                                      </div>
                                      <blockquote type="cite">
                                        <div
                                          style="color:#000;background-color:#fff;font-family:HelveticaNeue,
                                          Helvetica Neue, Helvetica,
                                          Arial, Lucida Grande,
                                          Sans-Serif;font-size:13px;">
                                          <div
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3364">Hey
                                            Everyone,</div>
                                          <div
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3364"><br
                                              clear="none">
                                          </div>
                                          <div dir="ltr"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3364">G1
                                            GC log:</div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3521"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3523">2015-10-</span><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3525">05T14:54</span><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3527">:35.518+0000:

                                              549629.568: [GC pause (G1
                                              Evacuation Pause) (young)</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3529"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3531">Desired

                                              survivor size 322961408
                                              bytes, new threshold 15
                                              (max 15)</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3533"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3535">-
                                              age Â  1:  Â  5292232
                                              bytes,  Â  5292232 total</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3537"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3539">-
                                              age Â  2:  Â  1201264
                                              bytes,  Â  6493496 total</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3541"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3543">-
                                              age Â  3: Â  Â  377376
                                              bytes,  Â  6870872 total</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3545"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3547">-
                                              age Â  4: Â  Â  440752
                                              bytes,  Â  7311624 total</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3549"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3551">-
                                              age Â  5: Â  Â  201976
                                              bytes,  Â  7513600 total</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3553"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3555">-
                                              age Â  6:  Â  Â  77616
                                              bytes,  Â  7591216 total</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3557"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3559">-
                                              age Â  7:  Â  Â  28824
                                              bytes,  Â  7620040 total</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3561"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3563">-
                                              age Â  8:  Â  Â  55312
                                              bytes,  Â  7675352 total</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3565"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3567">-
                                              age Â  9:  Â  Â  55432
                                              bytes,  Â  7730784 total</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3569"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3571">-
                                              age  10:  Â  Â  14272
                                              bytes,  Â  7745056 total</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3573"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3575">-
                                              age  11:  Â  Â  16872
                                              bytes,  Â  7761928 total</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3577"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3579">-
                                              age  12:  Â  Â  18208
                                              bytes,  Â  7780136 total</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3581"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3583">-
                                              age  13:  Â  Â  11656
                                              bytes,  Â  7791792 total</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3585"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3587">-
                                              age  14:  Â  Â  15800
                                              bytes,  Â  7807592 total</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3589"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3591">-
                                              age  15:  Â  Â  33960
                                              bytes,  Â  7841552 total</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3593"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3595"> 549629.569:

                                              [G1Ergonomics (CSet
                                              Construction) start
                                              choosing CSet,
                                              _pending_cards: 14904,
                                              predicted base time: 20.98
                                              ms, remaining time: 19.02
                                              ms, target pause time:
                                              40.00 ms]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3597"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3599"> 549629.569:

                                              [G1Ergonomics (CSet
                                              Construction) add young
                                              regions to CSet, eden:
                                              1224 regions, survivors: 4
                                              regions, predicted young
                                              region time: 10.73 ms]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3601"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3603"> 549629.569:

                                              [G1Ergonomics (CSet
                                              Construction) finish
                                              choosing CSet, eden: 1224
                                              regions, survivors: 4
                                              regions, old: 0 regions,
                                              predicted pause time:
                                              31.70 ms, target pause
                                              time: 40.00 ms]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3605"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3607">,
                                              <b
                                                id="yiv4341578134yui_3_16_0_1_1444120972912_3768">0.<span
id="yiv4341578134yui_3_16_0_1_1444120972912_3750">0355102</span> secs</b>]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3609"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3611">  
                                              [Parallel Time: 21.7 ms,
                                              GC Workers: 18]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3613"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3615"> 
                                              Â  Â  [GC Worker Start (ms):
                                              Min: 549629569.6, Avg:
                                              549629569.8, Max:
                                              549629569.9, Diff: 0.3]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3617"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3619"> 
                                              Â  Â  [Ext Root Scanning
                                              (ms): Min: 3.6, Avg: 4.3,
                                              Max: 12.7, Diff: 9.0, Sum:
                                              78.1]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3621"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3623"> 
                                              Â  Â  [Update RS (ms): Min:
                                              0.0, Avg: 4.1, Max: 4.7,
                                              Diff: 4.7, Sum: 74.6]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3625"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3627">  
                                              Â  Â  Â  [Processed Buffers:
                                              Min: 0, Avg: 60.3, Max:
                                              79, Diff: 79, Sum: 1086]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3629"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3631"> 
                                              Â  Â  [Scan RS (ms): Min:
                                              0.1, Avg: 2.2, Max: 2.7,
                                              Diff: 2.5, Sum: 40.4]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3633"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3635"> 
                                              Â  Â  [Code Root Scanning
                                              (ms): Min: 0.0, Avg: 0.0,
                                              Max: 0.0, Diff: 0.0, Sum:
                                              0.1]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3637"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3639"> 
                                              Â  Â  [Object Copy (ms):
                                              Min: 8.0, Avg: 10.2, Max:
                                              10.5, Diff: 2.5, Sum:
                                              183.2]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3641"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3643"> 
                                              Â  Â  [Termination (ms):
                                              Min: 0.0, Avg: 0.1, Max:
                                              0.2, Diff: 0.2, Sum: 2.5]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3645"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3647"> 
                                              Â  Â  [GC Worker Other (ms):
                                              Min: 0.0, Avg: 0.1, Max:
                                              0.2, Diff: 0.2, Sum: 2.0]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3649"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3651"> 
                                              Â  Â  [GC Worker Total (ms):
                                              Min: 20.9, Avg: 21.2, Max:
                                              21.4, Diff: 0.5, Sum:
                                              381.0]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3653"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3655"> 
                                              Â  Â  [GC Worker End (ms):
                                              Min: 549629590.9, Avg:
                                              549629590.9, Max:
                                              549629591.1, Diff: 0.2]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3657"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3659">  
                                              [Code Root Fixup: 0.3 ms]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3661"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3663">  
                                              [Code Root Purge: 0.0 ms]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3665"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3667">  
                                              [Clear CT: 0.8 ms]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3669"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3671">  
                                              [Other: 12.6 ms]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3673"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3675"> 
                                              Â  Â  [Choose CSet: 0.0 ms]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3677"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3679"> 
                                              Â  Â  [Ref Proc: 6.2 ms]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3681"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3683"> 
                                              Â  Â  [Ref Enq: 0.5 ms]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3685"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3687"> 
                                              Â  Â  [Redirty Cards: 0.4
                                              ms]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3689"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3691"> 
                                              Â  Â  [Humongous Reclaim:
                                              0.0 ms]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3693"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3695"> 
                                              Â  Â  [Free CSet: 2.9 ms]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3697"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3699">  
                                              [Eden:
                                              4896.0M(4896.0M)->0.0B(4892.0M)
                                              Survivors: 16.0M->20.0M
                                              Heap:
                                              6505.9M(8192.0M)->1611.1M(8192.0M)]</span></div>
                                          <div class="yiv4341578134"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3701"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3703"> [Times:

                                              user=0.38 sys=0.02,
                                              real=0.75 secs] </span></div>
                                          <div dir="ltr"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3364">
                                          </div>
                                          <div class="yiv4341578134"
                                            dir="ltr"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3705"><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3707">2015-10-</span><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3709">05T14:54</span><span
                                              class="yiv4341578134"
                                              id="yiv4341578134yui_3_16_0_1_1444120972912_3711">:36.272+0000:

                                              549630.322: Total time for
                                              which application threads
                                              were stopped:<b> 0.7695049</b>
                                              seconds, Stopping threads
                                              took: 0.0004596 seconds</span></div>
                                          <div class="yiv4341578134"
                                            dir="ltr"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3705"><span
                                              class="yiv4341578134"><br
                                                clear="none">
                                            </span></div>
                                          <div class="yiv4341578134"
                                            dir="ltr"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3705">As

                                            you can see that young GC
                                            took around 35ms but the
                                            total time for which
                                            application threads were
                                            stopped is 769ms. Can anyone
                                            tell me what other pauses
                                            are included in this total
                                            time ?</div>
                                          <div class="yiv4341578134"
                                            dir="ltr"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3705">Also

                                            why pauses other then GC
                                            pauses were included in GC
                                            logs ?</div>
                                          <div class="yiv4341578134"
                                            dir="ltr"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3705">Earlier

                                            I was using CMS. But in CMS
                                            I never saw such differences
                                            in GC time and Application
                                            thread pause time. Can
                                            anyone tell me what is the
                                            reason behind such behaviour
                                            ?</div>
                                          <div class="yiv4341578134"
                                            dir="ltr"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3705"><br
                                              clear="none">
                                          </div>
                                          <div class="yiv4341578134"
                                            dir="ltr"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3705">Thanks</div>
                                          <div class="yiv4341578134"
                                            dir="ltr"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3705"><br
                                              clear="none">
                                          </div>
                                          <div class="yiv4341578134"
                                            dir="ltr"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3705">-Naman</div>
                                          <div class="yiv4341578134"
                                            dir="ltr"
                                            id="yiv4341578134yui_3_16_0_1_1444120972912_3705"><br
                                              clear="none">
                                          </div>
                                        </div>
                                        <br clear="none">
                                        <fieldset
                                          class="yiv4341578134mimeAttachmentHeader"></fieldset>
                                        <br clear="none">
                                        <pre>_______________________________________________
hotspot-gc-use mailing list
<a moz-do-not-send="true" rel="nofollow" shape="rect" class="yiv4341578134moz-txt-link-abbreviated" ymailto="mailto:hotspot-gc-use@openjdk.java.net" target="_blank" href="mailto:hotspot-gc-use@openjdk.java.net">hotspot-gc-use@openjdk.java.net</a>
<a moz-do-not-send="true" rel="nofollow" shape="rect" class="yiv4341578134moz-txt-link-freetext" target="_blank" href="http://mail.openjdk.java.net/mailman/listinfo/hotspot-gc-use">http://mail.openjdk.java.net/mailman/listinfo/hotspot-gc-use</a>
</pre>
                                      </blockquote>
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                  </div>
                </div>
                <br>
                <br>
              </div>
            </div>
          </div>
        </div>
      </div>
    </blockquote>
    <br>
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