Mercurial > hg > truffle

annotate src/share/tools/LogCompilation/README @ 12257:01b268b3080a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log) Reviewed-by: twisti, kvn, sla
author vlivanov
date Fri, 13 Sep 2013 04:16:54 -0700
parents 2aff40cb4703
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
600
07d449658fc7 6807963: need tool to make sense of LogCompilaton output
never
parents:
diff changeset
1 This is a very rough tool for parsing -XX:+LogCompilation output.
07d449658fc7 6807963: need tool to make sense of LogCompilaton output
never
parents:
diff changeset
2 It's main purpose is to recreate output similar to
07d449658fc7 6807963: need tool to make sense of LogCompilaton output
never
parents:
diff changeset
3 -XX:+PrintCompilation -XX:+PrintInlining output from a debug JVM. It
07d449658fc7 6807963: need tool to make sense of LogCompilaton output
never
parents:
diff changeset
4 requires a 1.5 JDK to build and simply typing make should build it.
07d449658fc7 6807963: need tool to make sense of LogCompilaton output
never
parents:
diff changeset
5
07d449658fc7 6807963: need tool to make sense of LogCompilaton output
never
parents:
diff changeset
6 It produces a jar file, logc.jar, that can be run on the
12257
01b268b3080a 8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents: 7196
diff changeset
7 HotSpot log (by default, hotspot_pid{pid}.log) from LogCompilation output like this:
600
07d449658fc7 6807963: need tool to make sense of LogCompilaton output
never
parents:
diff changeset
8
12257
01b268b3080a 8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents: 7196
diff changeset
9 java -jar logc.jar hotspot_pid1234.log
600
07d449658fc7 6807963: need tool to make sense of LogCompilaton output
never
parents:
diff changeset
10
07d449658fc7 6807963: need tool to make sense of LogCompilaton output
never
parents:
diff changeset
11 This will produce something like the normal PrintCompilation output.
07d449658fc7 6807963: need tool to make sense of LogCompilaton output
never
parents:
diff changeset
12 Adding the -i option with also report inlining like PrintInlining.
07d449658fc7 6807963: need tool to make sense of LogCompilaton output
never
parents:
diff changeset
13
12257
01b268b3080a 8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents: 7196
diff changeset
14 More information about the LogCompilation output can be found at
600
07d449658fc7 6807963: need tool to make sense of LogCompilaton output
never
parents:
diff changeset
15
7196
2aff40cb4703 7092905: C2: Keep track of the number of dead nodes
bharadwaj
parents: 600
diff changeset
16 https://wikis.oracle.com/display/HotSpotInternals/LogCompilation+overview
2aff40cb4703 7092905: C2: Keep track of the number of dead nodes
bharadwaj
parents: 600
diff changeset
17 https://wikis.oracle.com/display/HotSpotInternals/PrintCompilation
2aff40cb4703 7092905: C2: Keep track of the number of dead nodes
bharadwaj
parents: 600
diff changeset
18 https://wikis.oracle.com/display/HotSpotInternals/LogCompilation+tool