<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_ym19_1_1472702167771_5298">Hi All</div><div id="yui_3_16_0_ym19_1_1472702167771_5299"><br id="yui_3_16_0_ym19_1_1472702167771_5300"></div><div id="yui_3_16_0_ym19_1_1472702167771_5301">Is there a tool to monitor qemu-kvm guest vm memory usage ( free in guest vm)?</div><div id="yui_3_16_0_ym19_1_1472702167771_5302">Nowadays, I have already researched some methods:</div><div id="yui_3_16_0_ym19_1_1472702167771_5303">1. qemu-kvm process memory usage.</div><div id="yui_3_16_0_ym19_1_1472702167771_5304"> Since qemu-kvm process memory usage always increases as time goes on, it will not reflect the memory usage in vm.</div><div dir="ltr" id="yui_3_16_0_ym19_1_1472702167771_5305">2. virsh dommemstat</div><div dir="ltr" id="yui_3_16_0_ym19_1_1472702167771_5306"> Just as method 1.</div><div dir="ltr" id="yui_3_16_0_ym19_1_1472702167771_5307">3. virsh qemu-monitor-command --hmp [domain name] "info mem"</div><div dir="ltr" id="yui_3_16_0_ym19_1_1472702167771_5308"> (1) when guest vm memory size less than 4Gbytes, it will output something like this:</div><div dir="ltr" id="yui_3_16_0_ym19_1_1472702167771_5309"> 7f882000-7f883000 00001000 urw</div><div dir="ltr" id="yui_3_16_0_ym19_1_1472702167771_5310"> 7fbf8000-7fbf9000 00001000 urw</div><div dir="ltr" id="yui_3_16_0_ym19_1_1472702167771_5311"> 88000000-88001000 00001000 -rw</div><div dir="ltr" id="yui_3_16_0_ym19_1_1472702167771_5312"> 88002000-88003000 00001000 urw</div><div dir="ltr" id="yui_3_16_0_ym19_1_1472702167771_5313"> 88004000-88005000 00001000 urw</div><div dir="ltr" id="yui_3_16_0_ym19_1_1472702167771_5314"> c9000000-c9001000 00001000 urw</div><div dir="ltr" id="yui_3_16_0_ym19_1_1472702167771_5315"> e8bfe000-e8bff000 00001000 urw</div><div dir="ltr" id="yui_3_16_0_ym19_1_1472702167771_5316"> ea000000-ea001000 00001000 urw</div><div dir="ltr" id="yui_3_16_0_ym19_1_1472702167771_5317"> ffbfc000-ffbfd000 00001000 -rw</div><div dir="ltr" id="yui_3_16_0_ym19_1_1472702167771_5318"> ffbfe000-ffbff000 00001000 urw</div><div dir="ltr" id="yui_3_16_0_ym19_1_1472702167771_5319"> it shows pde info of PG_PRESENT_MASK, maybe has some relation with guest vm memory usage.</div><div dir="ltr" id="yui_3_16_0_ym19_1_1472702167771_5320"> (2) when guest vm memory size larger than 4Gbytes, it will output noting.</div><div dir="ltr" id="yui_3_16_0_ym19_1_1472702167771_5321"><br id="yui_3_16_0_ym19_1_1472702167771_5322"></div><div dir="ltr" id="yui_3_16_0_ym19_1_1472702167771_5323">Please help!! </div><div dir="ltr" id="yui_3_16_0_ym19_1_1472702167771_5324"><br id="yui_3_16_0_ym19_1_1472702167771_5325"></div></div></body></html>