On disco LGTM:
gromero@gromero33:~$ lsb_release -a |& fgrep Codename
Codename: disco
gromero@gromero33:~$ uname -a
Linux gromero33 5.0.0-18-generic #19-Ubuntu SMP Wed Jun 12 18:19:22 UTC 2019
ppc64le ppc64le ppc64le GNU/Linux
gromero@gromero33:~$ java -version
openjdk version "11.0.3" 2019-04-16
OpenJDK Runtime Environment (build 11.0.3+7-Ubuntu-1ubuntu219.04.1)
OpenJDK 64-Bit Server VM (build 11.0.3+7-Ubuntu-1ubuntu219.04.1, mixed mode)
gromero@gromero33:~$ sudo apt-get install -y linux-tools-$(uname
-r)/disco-proposed
gromero@gromero33:~$ cat << EOF > hello.java
> class hello {
> static void printX() {
> System.out.printf("X");
> }
>
> public static void main(String[] args) {
> int i;
> for (i=0; i < 64000; i++)
> printX();
> }
> }
> EOF
gromero@gromero33:~$ javac hello.java
gromero@gromero33:~$ sudo perf record -k 1 -e instructions:u java
-agentpath:/usr/lib/linux-tools-5.0.0-18/libperf-jvmti.so hello > /dev/null
java: jvmti: jitdump in
/home/gromero/.debug/jit/java-jit-20190620.XXxYAYpv/jit-4062.dump
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.168 MB perf.data (4076 samples) ]
gromero@gromero33:~$ sudo perf inject -i ./perf.data -j -o ./perf.data.jitted
gromero@gromero33:~$ sudo perf report -f -i ./perf.data.jitted |& fgrep printX
0.40% java jitted-4062-606.so [.] class hello.printX()
0.05% java jitted-4062-535.so [.] class hello.printX()
** Tags removed: verification-needed-cosmic verification-needed-disco
** Tags added: verification-done-cosmic verification-done-disco
** Tags removed: verification-needed-bionic
** Tags added: verification-done-bionic
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https://bugs.launchpad.net/bugs/1761379
Title:
[18.04/18.10] File libperf-jvmti.so is missing in linux-tools-common
deb on Ubuntu
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