> Hi, > > Could I have a review of this change that merges three vm > operations(VM_PrintThreads, VM_PrintJNI, VM_FindDeadlocks) in thread_dump and > signal_thread_entry. > > `jstack` is a very common command, even in the production environment. > > In addition to reduce the cost of entering safepoint, I think this patch also > could ensure the consistency of the results of VM_PrintThreads and > VM_FindDeadlocks.
Denghui Dong has updated the pull request incrementally with two additional commits since the last revision: - add cutoff support for find_deadlocks_at_safepoint - remove useless field '_is_deadlock' ------------- Changes: - all: https://git.openjdk.java.net/jdk/pull/4504/files - new: https://git.openjdk.java.net/jdk/pull/4504/files/56cd2a8b..42faa20b Webrevs: - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=4504&range=02 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=4504&range=01-02 Stats: 53 lines in 4 files changed: 36 ins; 8 del; 9 mod Patch: https://git.openjdk.java.net/jdk/pull/4504.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/4504/head:pull/4504 PR: https://git.openjdk.java.net/jdk/pull/4504