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8223814: SA: jhsdb common help needs to be more detailed

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Reviewed-by: dholmes, sspitsyn, ysuenaga
This commit is contained in:
Osamu Sakamoto 2019-05-29 13:50:33 +09:00 committed by Yasumasa Suenaga
parent ebf8e1c0ac
commit 4e38fb3c5f
1 changed files with 36 additions and 25 deletions

61
src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/SALauncher.java

@ -45,30 +45,38 @@ public class SALauncher {
return false;
}
private static boolean commonHelp() {
private static boolean commonHelp(String mode) {
// --pid <pid>
// --exe <exe>
// --core <core>
System.out.println(" --exe\t<executable image name>");
System.out.println(" --core\t<path to coredump>");
System.out.println(" --pid\t<pid of process to attach>");
System.out.println(" --pid <pid> \tTo attach to and operate on the given live process.");
System.out.println(" --core <corefile>\tTo operate on the given core file.");
System.out.println(" --exe <executable for corefile>");
System.out.println();
System.out.println(" The --core and --exe options must be set together to give the core");
System.out.println(" file, and associated executable, to operate on. Otherwise the --pid");
System.out.println(" option can be set to operate on a live process.");
System.out.println(" The arguments for --exe and --core can use absolute or relative paths.");
System.out.println();
System.out.println(" Examples: jhsdb " + mode + " --pid 1234");
System.out.println(" or jhsdb " + mode + " --core ./core.1234 --exe ./myexe");
return false;
}
private static boolean debugdHelp() {
// [options] <pid> [server-id]
// [options] <executable> <core> [server-id]
System.out.println(" --serverid\t<unique id for this debug server>");
return commonHelp();
System.out.println(" --serverid <id> \tA unique identifier for this debug server.");
return commonHelp("debugd");
}
private static boolean jinfoHelp() {
// --flags -> -flags
// --sysprops -> -sysprops
System.out.println(" --flags\tto print VM flags");
System.out.println(" --sysprops\tto print Java System properties");
System.out.println(" <no option>\tto print both of the above");
return commonHelp();
System.out.println(" --flags \tTo print VM flags.");
System.out.println(" --sysprops \tTo print Java System properties.");
System.out.println(" <no option> \tTo print both of the above.");
return commonHelp("jinfo");
}
private static boolean jmapHelp() {
@ -78,27 +86,27 @@ public class SALauncher {
// --clstats -> -clstats
// --finalizerinfo -> -finalizerinfo
System.out.println(" <no option>\tto print same info as Solaris pmap");
System.out.println(" --heap\tto print java heap summary");
System.out.println(" --binaryheap\tto dump java heap in hprof binary format");
System.out.println(" --dumpfile\tname of the dump file");
System.out.println(" --histo\tto print histogram of java object heap");
System.out.println(" --clstats\tto print class loader statistics");
System.out.println(" --finalizerinfo\tto print information on objects awaiting finalization");
return commonHelp();
System.out.println(" <no option> \tTo print same info as Solaris pmap.");
System.out.println(" --heap \tTo print java heap summary.");
System.out.println(" --binaryheap \tTo dump java heap in hprof binary format.");
System.out.println(" --dumpfile <name>\tThe name of the dump file.");
System.out.println(" --histo \tTo print histogram of java object heap.");
System.out.println(" --clstats \tTo print class loader statistics.");
System.out.println(" --finalizerinfo \tTo print information on objects awaiting finalization.");
return commonHelp("jmap");
}
private static boolean jstackHelp() {
// --locks -> -l
// --mixed -> -m
System.out.println(" --locks\tto print java.util.concurrent locks");
System.out.println(" --mixed\tto print both java and native frames (mixed mode)");
return commonHelp();
System.out.println(" --locks \tTo print java.util.concurrent locks.");
System.out.println(" --mixed \tTo print both Java and native frames (mixed mode).");
return commonHelp("jstack");
}
private static boolean jsnapHelp() {
System.out.println(" --all\tto print all performance counters");
return commonHelp();
System.out.println(" --all \tTo print all performance counters.");
return commonHelp("jsnap");
}
private static boolean toolHelp(String toolName) {
@ -117,8 +125,11 @@ public class SALauncher {
if (toolName.equals("debugd")) {
return debugdHelp();
}
if (toolName.equals("hsdb") || toolName.equals("clhsdb")) {
return commonHelp();
if (toolName.equals("hsdb")) {
return commonHelp("hsdb");
}
if (toolName.equals("clhsdb")) {
return commonHelp("clhsdb");
}
return launcherHelp();
}