{"id":1090,"date":"2020-10-26T14:04:02","date_gmt":"2020-10-26T06:04:02","guid":{"rendered":"http:\/\/www.max-shu.com\/blog\/?p=1090"},"modified":"2020-10-26T14:04:02","modified_gmt":"2020-10-26T06:04:02","slug":"%e4%bd%bf%e7%94%a8gperftools%e5%92%8cbtrace%e6%9d%a5%e5%88%86%e6%9e%90java%e7%9a%84%e5%a0%86%e5%a4%96%e5%86%85%e5%ad%98%e6%b3%84%e9%9c%b2","status":"publish","type":"post","link":"http:\/\/www.max-shu.com\/blog\/?p=1090","title":{"rendered":"\u4f7f\u7528gperftools\u548cbtrace\u6765\u5206\u6790java\u7684\u5806\u5916\u5185\u5b58\u6cc4\u9732"},"content":{"rendered":"
\u5b89\u88c5gperftools\uff08google\u00a0performance\u00a0tools\uff09\u6765\u5206\u6790java\u7684\u5806\u5916(\u8d85\u51fa-Xmx\u6240\u8bbe\u7f6e\u7684heap size\u7684\u90e8\u5206)\u5185\u5b58\u6cc4\u9732<\/span><\/b><\/div>\n
\u5982\u679c\u662f\u5806\u5185\u6cc4\u6f0f\uff0c\u5219\u6700\u5927\u5185\u5b58\u4f7f\u7528\u4e0d\u4f1a\u8d85\u8fc7-Xmx\u6240\u8bbe\u7f6e\u7684\u5927\u5c0f\uff0c\u57fa\u672c\u4e0a\u4f7f\u7528jmap\u4e4b\u7c7b\u7684\u90fd\u76f4\u63a5\u53ef\u4ee5\u67e5\u5230\u95ee\u9898\u3002<\/div>\n
\u5b89\u88c5\uff1a<\/b><\/div>\n
$ sudo yum -y install graphviz gv<\/div>\n
$ sudo yum -y install gcc make<\/div>\n
$ sudo yum -y install gcc gcc-c++<\/div>\n
<\/div>\n
$ wget http:\/\/download.savannah.gnu.org\/releases\/libunwind\/libunwind-1.4.0.tar.gz<\/a><\/div>\n
$ tar -zxvf libunwind-1.4.0.tar.gz<\/div>\n
$ .\/configure<\/div>\n
$ make<\/div>\n
$ sudo make install<\/div>\n
$ ll \/usr\/local\/lib\/<\/div>\n
<\/div>\n
$ cd ..<\/div>\n
$ wget https:\/\/github.com\/gperftools\/gperftools\/releases\/download\/gperftools-2.8\/gperftools-2.8.tar.gz<\/a><\/div>\n
$ tar -zxvf\u00a0\u00a0gperftools-2.8.tar.gz<\/div>\n
$ cd gperftools-2.8<\/div>\n
$ .\/configure<\/div>\n
$ make<\/div>\n
$ sudo make install<\/div>\n
$ ll \/usr\/local\/lib\/<\/div>\n
$ ll \/usr\/local\/bin\/<\/div>\n
<\/div>\n
$ sudo vi \/etc\/ld.so.conf.d\/gperftools.conf<\/div>\n
\/usr\/local\/lib<\/div>\n
$ sudo ldconfig<\/div>\n
$ sudo ldconfig -p | grep libtcmalloc<\/div>\n
$ sudo ldconfig -p | grep libunwind<\/div>\n
<\/div>\n
\u4f7f\u7528\uff1a<\/b><\/div>\n
perftools\u662f\u901a\u8fc7Linux\u7684LD_PRELOAD\u8fbe\u5230java\u5e94\u7528\u7a0b\u5e8f\u8fd0\u884c\u65f6\uff0c\u5f53\u8c03\u7528malloc\u65f6\u6362\u7528\u5b83\u7684libtcmalloc.so\uff0c\u56e0\u6b64\u9700\u8981\u5728\u8fd0\u884c\u7a0b\u5e8f\u4e4b\u524d\u8bbe\u7f6e\u53d8\u91cf:<\/div>\n
$ vi \/data\/wildfly\/bin\/standalone.sh<\/span><\/div>\n
…<\/div>\n
export LD_PRELOAD=\/usr\/local\/lib\/libtcmalloc.so<\/div>\n
export HEAPPROFILE=\/data\/wildfly\/standalone\/log\/java\u00a0 \u00a0 \u00a0 \/\/\u8fd9\u4e2a\u5fc5\u987b\u662fwildfly\u53ef\u8bfb\u5199\u7684\u76ee\u5f55\uff0c\u6700\u597d\u5c31\u662fwildfly\u7684log\u76ee\u5f55\u3002<\/div>\n
\u5728while true; do \u4e0a\u9762\u589e\u52a0\u4ee5\u4e0a\u4e24\u884c\u3002<\/div>\n
…<\/div>\n
<\/div>\n
\u542f\u52a8Java\u7a0b\u5e8f\u4e4b\u540e\uff0c\u4f1a\u6309\u7167\u5728HEAPPROFILE\u5b9a\u4e49\u7684\u683c\u5f0f\uff08\u6700\u540e\u4e00\u4e2a\u659c\u6760\u7684\u524d\u9762\u4e3a\u76ee\u5f55\uff0c\u540e\u9762\u4e3a\u6587\u4ef6\u540d\u524d\u7f00\uff09\u751f\u6210heap\u6587\u4ef6\uff0c\u8fd0\u884c\u5982\u4e0b\u547d\u4ee4\uff0c\u4ea7\u751f\u6587\u672c\u683c\u5f0f\u7684\u62a5\u544a\uff1a<\/div>\n
$ \/data\/wildfly\/bin\/standalone.sh<\/span><\/div>\n
\u53e6\u5f00\u4e00\u4e2ashell\uff0c\u7a0d\u7b49\u5373\u53ef\u67e5\u770b\u5230\uff1a<\/div>\n
$ ll \/data\/wildfly\/standalone\/log\/java*<\/span><\/div>\n
-rw-rw-r– 1 coadmin coadmin 1048566 Oct 24 11:58 \/data\/wildfly\/standalone\/log\/java.0001.heap<\/div>\n
-rw-rw-r– 1 coadmin coadmin 1048567 Oct 24 11:59 \/data\/wildfly\/standalone\/log\/java.0002.heap<\/div>\n
-rw-rw-r– 1 coadmin coadmin 1048562 Oct 24 12:00 \/data\/wildfly\/standalone\/log\/java.0003.heap<\/div>\n
-rw-rw-r– 1 coadmin coadmin 1048561 Oct 24 12:01 \/data\/wildfly\/standalone\/log\/java.0004.heap<\/div>\n
<\/div>\n
\u5206\u6790\uff1a<\/b><\/div>\n
$ pprof –text \/usr\/java\/jdk1.8.0_112\/bin\/java \/data\/wildfly\/standalone\/log\/java.0001.heap<\/span><\/div>\n
Using local file \/usr\/java\/jdk1.8.0_112\/bin\/java.<\/div>\n
Using local file \/data\/wildfly\/standalone\/log\/java.0008.heap.<\/div>\n
Total: 116.4 MB<\/div>\n
\u00a0\u00a0\u00a0\u00a050.3\u00a0\u00a043.2%\u00a0\u00a043.2%\u00a0\u00a0\u00a0\u00a0\u00a050.3\u00a0\u00a043.2% os::malloc@91cb30<\/div>\n
\u00a0\u00a0\u00a0\u00a045.8\u00a0\u00a039.3%\u00a0\u00a082.6%\u00a0\u00a0\u00a0\u00a0\u00a045.8\u00a0\u00a039.3% init<\/div>\n
\u00a0\u00a0\u00a0\u00a014.0\u00a0\u00a012.0%\u00a0\u00a094.6%\u00a0\u00a0\u00a0\u00a0\u00a014.0\u00a0\u00a012.0% updatewindow<\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a03.1\u00a0\u00a0\u00a02.6%\u00a0\u00a097.2%\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03.1\u00a0\u00a0\u00a02.6% inflateInit2_<\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a02.9\u00a0\u00a0\u00a02.5%\u00a0\u00a099.7%\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02.9\u00a0\u00a0\u00a02.5% readCEN<\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a00.1\u00a0\u00a0\u00a00.1%\u00a0\u00a099.8%\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03.1\u00a0\u00a0\u00a02.7% ZIP_Put_In_Cache0<\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a00.1\u00a0\u00a0\u00a00.1%\u00a0\u00a099.8%\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00.1\u00a0\u00a0\u00a00.1% __GI__dl_allocate_tls<\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a00.1\u00a0\u00a0\u00a00.0%\u00a0\u00a099.9%\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00.1\u00a0\u00a0\u00a00.0% newEntry<\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a00.0\u00a0\u00a0\u00a00.0%\u00a0\u00a099.9%\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00.0\u00a0\u00a0\u00a00.0% __GI___strdup<\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a00.0\u00a0\u00a0\u00a00.0% 100.0%\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00.0\u00a0\u00a0\u00a00.0% __alloc_dir<\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a00.0\u00a0\u00a0\u00a00.0% 100.0%\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03.1\u00a0\u00a0\u00a02.7% Java_java_util_zip_Inflater_init<\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a00.0\u00a0\u00a0\u00a00.0% 100.0%\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00.0\u00a0\u00a0\u00a00.0% _dl_new_object<\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a00.0\u00a0\u00a0\u00a00.0% 100.0%\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00.0\u00a0\u00a0\u00a00.0% read_alias_file<\/div>\n
\u8f93\u51fa\u4e00\u5171\u516d\u5217\u7684\u89e3\u91ca\uff1a<\/div>\n
\u7b2c1\u5217\uff1a Number of profiling samples in this function<\/div>\n
\u7b2c2\u5217\uff1a Percentage of profiling samples in this function<\/div>\n
\u7b2c3\u5217\uff1a Percentage of profiling samples in the functions printed so far<\/div>\n
\u7b2c4\u5217\uff1a Number of profiling samples in this function and its callees<\/div>\n
\u7b2c5\u5217\uff1a Percentage of profiling samples in this function and its callees<\/div>\n
\u7b2c6\u5217\uff1a Function name<\/div>\n
<\/div>\n
\u00a0\u00a0 \u00a0\u4e0a\u9762\u663e\u793a\u5217\u51fa\u6765\u7684\u95ee\u9898\uff0c\u56e0\u4e3aos::malloc@91cb30\u662f\u5185\u6838\u5206\u914d\u5185\u5b58\u7684\u51fd\u6570\uff0c\u4e0d\u662fjava\u7c7b\uff0c\u662f\u88ab\u8c03\u7528\u7684\uff0cinit\u548cupdatewindow\u770b\u8d77\u6765\u4e5f\u662f\u7cfb\u7edf\u5e95\u5c42\u51fd\u6570\uff0c\u662f\u88ab\u8c03\u7528\u7684\u3002<\/b><\/div>\n
inflateInit2_\u548creadCEN\u548c\u6700\u53ef\u7591\uff0c\u7f51\u4e0a\u67e5\u627e\uff0c\u8fd9\u4e24\u90fd\u548cjava.util.zip.Inflater\u6709\u5173\u3002<\/b><\/div>\n
<\/div>\n
<\/div>\n
<\/div>\n
\u4f7f\u7528BTrace\u5b9a\u4f4d\u5230\u8c03\u7528java.util.zip.Inflater\u4ee3\u7801\u7684\u4f4d\u7f6e<\/span><\/b><\/div>\n
\u5b89\u88c5\uff1a<\/b><\/div>\n
\u5148\u4e0b\u8f7dhttps:\/\/github.com\/btraceio\/btrace\/releases\/download\/v2.0.2\/btrace-2.0.2-bin.tar.gz<\/a><\/div>\n
$ mkdir btrace<\/div>\n
$ tar -zxvf btrace-2.0.2-bin.tar.gz -C btrace<\/div>\n
$ export JAVA_HOME=\/usr\/java\/jdk1.8.0_112<\/div>\n
$ export JRE_HOME=${JAVA_HOME}\/jre<\/div>\n
$ export CLASSPATH=.:${JAVA_HOME}\/lib:${JRE_HOME}\/lib<\/div>\n
$ export BTRACE_HOME=\/home\/coadmin\/btrace<\/div>\n
$ export PATH=$PATH:${JAVA_HOME}\/bin:${BTRACE_HOME}\/bin<\/div>\n
\u6d4b\u8bd5\u4e0b\uff1a<\/div>\n
$ btrace -h<\/div>\n
<\/div>\n
\u5199\u4e00\u4e2a\u7528\u6765\u67e5\u627ejava.util.zip.Inflater\u7c7b\u8c03\u7528\u5173\u7cfb\u7684\u6e90\u4ee3\u7801\uff1a<\/b><\/div>\n
$ vi BtracerInflater.java<\/span><\/div>\n
import static org.openjdk.btrace.core.BTraceUtils.*;<\/div>\n
import org.openjdk.btrace.core.annotations.*;<\/div>\n
import java.nio.ByteBuffer;<\/div>\n
import java.lang.Thread;<\/div>\n
@BTrace<\/div>\n
public class BtracerInflater{<\/div>\n
\u00a0\u00a0\u00a0@OnMethod(<\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0clazz=”java.util.zip.Inflater”,<\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0method=”\/.*\/”<\/div>\n
\u00a0\u00a0\u00a0)<\/div>\n
\u00a0\u00a0\u00a0public static void onMethod(){<\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0println(“Who call java.util.zip.Inflater’s methods :”);<\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0jstack();<\/div>\n
\u00a0\u00a0\u00a0}<\/div>\n
}<\/div>\n
<\/div>\n
\u6267\u884c\uff1a<\/b><\/div>\n
\u5148\u627e\u5230\u9700\u8981\u67e5\u627e\u7684java\u8fdb\u7a0b\uff1a<\/div>\n
$ ps axf | grep java<\/div>\n
\u5047\u8bbe\u8fdb\u7a0b\u53f7\u4e3a30810\uff0c\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\u5b9a\u4f4d\u8c03\u7528\u5173\u7cfb\uff0c\u4e00\u65e6\u8c03\u7528\u4e86java.util.zip.Inflater\u7684\u4efb\u4f55\u65b9\u6cd5\uff0c\u90fd\u4f1a\u6253\u5370\u51fa\u6808\u4fe1\u606f\uff0c\u4e3b\u8981\u5173\u6ce8<init>\u65b9\u6cd5\u548cended\u65b9\u6cd5\u5373\u53ef\uff1a<\/div>\n
$ btrace 30810 BtracerInflater.java<\/div>\n
\u5b9e\u9645\u6267\u884c\u7684\u547d\u4ee4\u662f\uff1a<\/div>\n
\/usr\/java\/jdk1.8.0_112\/bin\/java -cp \/home\/coadmin\/btrace\/libs\/btrace-client.jar:\/usr\/java\/jdk1.8.0_112\/lib\/tools.jar:\/usr\/share\/lib\/java\/dtrace.jar org.openjdk.btrace.client.Main 30810 BtracerInflater.java<\/div>\n
<\/div>\n
<\/div>\n","protected":false},"excerpt":{"rendered":"

\u5b89\u88c5gperftools\uff08google\u00a0performance\u00a0tools\uff09\u6765\u5206\u6790java\u7684\u5806\u5916(\u8d85\u51fa-Xmx …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15,63,13],"tags":[822,823,287,821,824],"class_list":["post-1090","post","type-post","status-publish","format-standard","hentry","category-linuxandroid","category-63","category-13","tag-btrace","tag-gperftool","tag-java","tag-821","tag-824"],"views":4384,"_links":{"self":[{"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1090","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1090"}],"version-history":[{"count":1,"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1090\/revisions"}],"predecessor-version":[{"id":1091,"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1090\/revisions\/1091"}],"wp:attachment":[{"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1090"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1090"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1090"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}