why no such flag 'loggc' using jinfo
I want to know -Xloggc value for a given Java process with command
jinfo -flag loggc 12345，
but it prints: no such flag 'loggc'.
The explanation(https://docs.oracle.com/javase/7/docs/technotes/tools/share/jinfo.html) of command 'jinfo -flag name' is:
prints the name and value of the given command line flag.
so, is -Xloggc not command line flag?
java jvm
asked Nov 16 '18 at 6:57
cleverUtdcleverUtd
111118
add a comment |
I want to know -Xloggc value for a given Java process with command
jinfo -flag loggc 12345，
but it prints: no such flag 'loggc'.
The explanation(https://docs.oracle.com/javase/7/docs/technotes/tools/share/jinfo.html) of command 'jinfo -flag name' is:
prints the name and value of the given command line flag.
so, is -Xloggc not command line flag?
java jvm
asked Nov 16 '18 at 6:57
cleverUtdcleverUtd
111118
This is a dump of all the flagsjava -XX:+PrintFlagsFinal -versionYou might need to dump the command line args instead.
– Peter Lawrey
Nov 16 '18 at 8:47
add a comment |
I want to know -Xloggc value for a given Java process with command
jinfo -flag loggc 12345，
but it prints: no such flag 'loggc'.
The explanation(https://docs.oracle.com/javase/7/docs/technotes/tools/share/jinfo.html) of command 'jinfo -flag name' is:
prints the name and value of the given command line flag.
so, is -Xloggc not command line flag?
java jvm
asked Nov 16 '18 at 6:57
cleverUtdcleverUtd
111118
I want to know -Xloggc value for a given Java process with command
jinfo -flag loggc 12345，
but it prints: no such flag 'loggc'.
The explanation(https://docs.oracle.com/javase/7/docs/technotes/tools/share/jinfo.html) of command 'jinfo -flag name' is:
prints the name and value of the given command line flag.
so, is -Xloggc not command line flag?
java jvm
java jvm
asked Nov 16 '18 at 6:57
cleverUtdcleverUtd
111118
asked Nov 16 '18 at 6:57
cleverUtdcleverUtd
111118
asked Nov 16 '18 at 6:57
cleverUtdcleverUtd
111118
asked Nov 16 '18 at 6:57
cleverUtdcleverUtd
111118
asked Nov 16 '18 at 6:57
cleverUtdcleverUtd
111118
111118
This is a dump of all the flagsjava -XX:+PrintFlagsFinal -versionYou might need to dump the command line args instead.
– Peter Lawrey
Nov 16 '18 at 8:47
add a comment |
This is a dump of all the flagsjava -XX:+PrintFlagsFinal -versionYou might need to dump the command line args instead.
– Peter Lawrey
Nov 16 '18 at 8:47
This is a dump of all the flags
java -XX:+PrintFlagsFinal -version You might need to dump the command line args instead.– Peter Lawrey
Nov 16 '18 at 8:47
This is a dump of all the flags
java -XX:+PrintFlagsFinal -version You might need to dump the command line args instead.– Peter Lawrey
Nov 16 '18 at 8:47
add a comment |
1 Answer
1
active
oldest
votes
The explanation at https://docs.oracle.com/javase/7/docs/technotes/tools/share/jinfo.html is not quite accurate. In recent JDK (i.e. JDK 8u191 and JDK 11.0.1) it has been changed to
-flag <name> to print the value of the named VM flag
-Xloggc is not a named JVM flag, but rather a command-line argument that is translated to multiple JVM flags, in particular, -XX:+PrintGC and -XX:+PrintGCTimeStamps.
To get the VM command line, run
jcmd 12345 VM.command_line
To see the full list of JVM flags, run
jcmd 12345 VM.flags -all
answered Nov 16 '18 at 10:44
apanginapangin
52.7k8107137
add a comment |
Your Answer
StackExchange.ifUsing("editor", function () {
StackExchange.using("externalEditor", function () {
StackExchange.using("snippets", function () {
StackExchange.snippets.init();
});
});
}, "code-snippets");
StackExchange.ready(function() {
var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
}
});
function createEditor() {
StackExchange.prepareEditor({
heartbeatType: 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: true,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
},
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
});
}
});
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53332883%2fwhy-no-such-flag-loggc-using-jinfo%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
The explanation at https://docs.oracle.com/javase/7/docs/technotes/tools/share/jinfo.html is not quite accurate. In recent JDK (i.e. JDK 8u191 and JDK 11.0.1) it has been changed to
-flag <name> to print the value of the named VM flag
-Xloggc is not a named JVM flag, but rather a command-line argument that is translated to multiple JVM flags, in particular, -XX:+PrintGC and -XX:+PrintGCTimeStamps.
To get the VM command line, run
jcmd 12345 VM.command_line
To see the full list of JVM flags, run
jcmd 12345 VM.flags -all
answered Nov 16 '18 at 10:44
apanginapangin
52.7k8107137
add a comment |
The explanation at https://docs.oracle.com/javase/7/docs/technotes/tools/share/jinfo.html is not quite accurate. In recent JDK (i.e. JDK 8u191 and JDK 11.0.1) it has been changed to
-flag <name> to print the value of the named VM flag
-Xloggc is not a named JVM flag, but rather a command-line argument that is translated to multiple JVM flags, in particular, -XX:+PrintGC and -XX:+PrintGCTimeStamps.
To get the VM command line, run
jcmd 12345 VM.command_line
To see the full list of JVM flags, run
jcmd 12345 VM.flags -all
answered Nov 16 '18 at 10:44
apanginapangin
52.7k8107137
add a comment |
The explanation at https://docs.oracle.com/javase/7/docs/technotes/tools/share/jinfo.html is not quite accurate. In recent JDK (i.e. JDK 8u191 and JDK 11.0.1) it has been changed to
-flag <name> to print the value of the named VM flag
-Xloggc is not a named JVM flag, but rather a command-line argument that is translated to multiple JVM flags, in particular, -XX:+PrintGC and -XX:+PrintGCTimeStamps.
To get the VM command line, run
jcmd 12345 VM.command_line
To see the full list of JVM flags, run
jcmd 12345 VM.flags -all
answered Nov 16 '18 at 10:44
apanginapangin
52.7k8107137
The explanation at https://docs.oracle.com/javase/7/docs/technotes/tools/share/jinfo.html is not quite accurate. In recent JDK (i.e. JDK 8u191 and JDK 11.0.1) it has been changed to
-flag <name> to print the value of the named VM flag
-Xloggc is not a named JVM flag, but rather a command-line argument that is translated to multiple JVM flags, in particular, -XX:+PrintGC and -XX:+PrintGCTimeStamps.
To get the VM command line, run
jcmd 12345 VM.command_line
To see the full list of JVM flags, run
jcmd 12345 VM.flags -all
answered Nov 16 '18 at 10:44
apanginapangin
52.7k8107137
answered Nov 16 '18 at 10:44
apanginapangin
52.7k8107137
answered Nov 16 '18 at 10:44
apanginapangin
52.7k8107137
answered Nov 16 '18 at 10:44
apanginapangin
52.7k8107137
52.7k8107137
add a comment |
add a comment |
Thanks for contributing an answer to Stack Overflow!
- Please be sure to answer the question. Provide details and share your research!
But avoid …
- Asking for help, clarification, or responding to other answers.
- Making statements based on opinion; back them up with references or personal experience.
To learn more, see our tips on writing great answers.
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53332883%2fwhy-no-such-flag-loggc-using-jinfo%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
This is a dump of all the flags
java -XX:+PrintFlagsFinal -versionYou might need to dump the command line args instead.– Peter Lawrey
Nov 16 '18 at 8:47