-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 02/27/2014 10:38 AM, 钱凯 wrote: > I'm a little confused of what "avg_delayed_ref_runtime" means. > > In __btrfs_run_delayed_refs(), "avg_delayed_ref_runtime" is set to > the runtime of all delayed refs processed in current transaction > commit. However, in btrfs_should_throttle_delayed_refs(), we based > on the following condition to decide whether throttle refs or not: > ***************************************** avg_runtime = > fs_info->avg_delayed_ref_runtime; if (num_entries * avg_runtime >= > NSEC_PER_SEC) return 1; ***************************************** > It looks like "avg_delayed_ref_runtime" is used as runtime of each > delayed ref processed in average here. So what does it really > means? >
Yeah I screwed this up, I should have been dividing the total time by the number of delayed refs I ran. I have a patch locally to fix it and I'll send it out after I finish my qgroup work. Thanks, Josef -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBAgAGBQJTD2AlAAoJEANb+wAKly3BQkEP/0F/LGGDsO+x63SAFh/apRZo ZVmzi1yJGiArFImFs8IwZHKgr/HpP9yYYFqyDCTSYrErI32bjpPbSDKlFDiIKYBq 6mTptPlC6AJQcMJf3oV2SqUoQxI6Ea+04QaTtZwE5pDaTZsjD47QYfSyw/i+YwOr Ds11ayDeU3FSj8JVYDKFg5ZBifv/mIHbh1fb8xc4R5XCWsbRzIL9LiQa9c56EEOq vzXp57TIetbJdliK0cYQtPkA7R40us8TqVBH5MfcZPgITyBun3e0zrGxWmW6caTs viejEbqDhyHLHCing+mMI6GX7w16duq5oG+w4nnjjyuMzWAyNN2pxloqQsWwOyv8 7+33JZCtVG/txRMIXkvc3bqzetrUyPAruo+M3pstN7B2dph6TDV0QJSFnxee6mKf 4/zseNOJtQqjHe5QJNcVJtkDaxgGBkSONHLm5Gz8rFU3XKcNZQcocV+0EtIjE7Zs D5oDYCAyrxG1VKoFWhdaS883PDokRr75jcnFui4GhhFr5OAOdS3OOTLKVizWUag1 O11d9XsjnzLWiVTsZH+f4K0ONQcUwJFV0zADgYsXtU2LDHHNIPZX9+qSAa+L66hT Ki6hocoZ4cXyGWcTZPtlGHxAmV2kEh8/Tr1ePfwy7FzTrg9hWUGLXY0DliQDPmIB w3TdOa+Ghjl8dcaGc2rX =kSsY -----END PGP SIGNATURE----- -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
