| commit | 4a06d64ce514d188f01455c1d2d9cbd7996c7c79 | |
| author | Julian Seward <jseward@acm.org> | |
| Wed, 24 May 2017 13:42:33 +0000 (24 13:42 +0000) | ||
| committer | Julian Seward <jseward@acm.org> | |
| Wed, 24 May 2017 13:42:33 +0000 (24 13:42 +0000) | ||
| tree | 6a35ba17092d1b4e05681164a7846dcf0bac568e | treesnapshot (tar.gz zip) |
| parent | 2cc0e531ecddea7bcface7071e02a01fc10517c0 | commitdiff |
When a thread hints that it is in a spin-wait loop (eg, x86 REP NOP insn),
deschedule the thread much sooner (300 evchecks) than previously (1000
evchecks). Once the thread is spinning, there's absolutely no point in
continuing with it, since only a different thread can get it out of the loop,
so we need to drop the current thread ASAP.
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@16412
deschedule the thread much sooner (300 evchecks) than previously (1000
evchecks). Once the thread is spinning, there's absolutely no point in
continuing with it, since only a different thread can get it out of the loop,
so we need to drop the current thread ASAP.
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@16412
| coregrind/m_scheduler/scheduler.c | diffblobblamehistory |