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8223968: Add abort type description to RTM statistic counters

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Reviewed-by: mdoerr, kvn
This commit is contained in:
Gustavo Romero 2019-05-10 18:20:02 -04:00
parent 9d40ab91db
commit 11d4e9f34d
3 changed files with 23 additions and 13 deletions
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13
src/hotspot/share/runtime/rtmLocking.cpp
View File

@ -55,12 +55,21 @@ void RTMLockingCounters::init() {
}
}
const char* RTMLockingCounters::_abortX_desc[ABORT_STATUS_LIMIT] = {
"abort instruction ",
"may succeed on retry",
"thread conflict ",
"buffer overflow ",
"debug or trap hit ",
"maximum nested depth"
};
//------------------------------print_on-------------------------------
void RTMLockingCounters::print_on(outputStream* st) const {
tty->print_cr("# rtm locks total (estimated): " UINTX_FORMAT, _total_count * RTMTotalCountIncrRate);
tty->print_cr("# rtm lock aborts : " UINTX_FORMAT, _abort_count);
tty->print_cr("# rtm lock aborts (total): " UINTX_FORMAT, _abort_count);
for (int i = 0; i < ABORT_STATUS_LIMIT; i++) {
tty->print_cr("# rtm lock aborts %d: " UINTX_FORMAT, i, _abortX_count[i]);
tty->print_cr("# rtm lock aborts %d (%s): " UINTX_FORMAT, i, _abortX_desc[i], _abortX_count[i]);
}
}
void RTMLockingCounters::print() const { print_on(tty); }

1
src/hotspot/share/runtime/rtmLocking.hpp
View File

@ -82,6 +82,7 @@ class RTMLockingCounters {
// 5 Set if an abort occurred during execution of a nested transaction.
private:
uintx _abortX_count[ABORT_STATUS_LIMIT];
static const char* _abortX_desc[ABORT_STATUS_LIMIT];
public:
static uintx _calculation_flag;

22
test/hotspot/jtreg/compiler/testlibrary/rtm/RTMLockingStatistics.java
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -36,14 +36,14 @@ import java.util.regex.Pattern;
* Example of locking statistics:
*
* java/lang/ClassLoader.loadClass@7
* # rtm locks total (estimated): 0
* # rtm lock aborts : 13
* # rtm lock aborts 0: 12
* # rtm lock aborts 1: 0
* # rtm lock aborts 2: 0
* # rtm lock aborts 3: 0
* # rtm lock aborts 4: 0
* # rtm lock aborts 5: 0
* # rtm locks total (estimated): 6656
* # rtm lock aborts (total): 10000
* # rtm lock aborts 0 (abort instruction ): 9999
* # rtm lock aborts 1 (may succeed on retry): 9999
* # rtm lock aborts 2 (thread conflict ): 0
* # rtm lock aborts 3 (buffer overflow ): 1
* # rtm lock aborts 4 (debug or trap hit ): 0
* # rtm lock aborts 5 (maximum nested depth): 0
*/
public class RTMLockingStatistics {
/**
@ -58,7 +58,7 @@ public class RTMLockingStatistics {
static {
String abortRe
= "# rtm lock aborts\\s+(?<type>[0-9]+):\\s(?<count>[0-9]+)";
= "# rtm lock aborts\\s+(?<type>[0-9]+)\\s+\\([a-z\\s]+\\):\\s(?<count>[0-9]+)";
ABORT_PATTERN = Pattern.compile(abortRe);
RTM_LOCKING_STATISTICS_PATTERN = Pattern.compile(
@ -66,7 +66,7 @@ public class RTMLockingStatistics {
"(?<methodName>[^@\n]+)@(?<bci>[0-9]+)\n" +
"# rtm locks total \\(estimated\\):\\s*" +
"(?<totalLocks>[0-9]+)\n" +
"# rtm lock aborts\\s+:\\s*(?<totalAborts>[0-9]+)\n" +
"# rtm lock aborts\\s+\\(total\\):\\s*(?<totalAborts>[0-9]+)\n" +
"(?<abortStats>(" + abortRe + "\n)+)");
}