Author: delphij Date: Sat Oct 4 07:38:59 2014 New Revision: 272499 URL: https://svnweb.freebsd.org/changeset/base/272499
Log: 5174 add sdt probe for blocked read in dbuf_read() Reviewed by: Basil Crow <basil.c...@delphix.com> Reviewed by: Matthew Ahrens <mahr...@delphix.com> Reviewed by: Steven Hartland <kill...@multiplay.co.uk> Reviewed by: Richard Elling <richard.ell...@gmail.com> Reviewed by: Boris Protopopov <bprotopo...@hotmail.com> Reviewed by: Steven Hartland <kill...@multiplay.co.uk> Reviewed by: Garrett D'Amore <garr...@damore.org> Approved by: Robert Mustacchi <r...@joyent.com> Author: Adam H. Leventhal <a...@delphix.com> illumos/illumos-gate@f6164ad638e7346c4ae4ba393760a897cf6eb744 Modified: vendor-sys/illumos/dist/uts/common/fs/zfs/dbuf.c Modified: vendor-sys/illumos/dist/uts/common/fs/zfs/dbuf.c ============================================================================== --- vendor-sys/illumos/dist/uts/common/fs/zfs/dbuf.c Sat Oct 4 07:37:17 2014 (r272498) +++ vendor-sys/illumos/dist/uts/common/fs/zfs/dbuf.c Sat Oct 4 07:38:59 2014 (r272499) @@ -671,6 +671,8 @@ dbuf_read(dmu_buf_impl_t *db, zio_t *zio db->db_state == DB_FILL) { ASSERT(db->db_state == DB_READ || (flags & DB_RF_HAVESTRUCT) == 0); + DTRACE_PROBE2(blocked__read, dmu_buf_impl_t *, + db, zio_t *, zio); cv_wait(&db->db_changed, &db->db_mtx); } if (db->db_state == DB_UNCACHED) _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"