Am I correct in assuming by Client you mean Eclipse and by "the other side" you mean the JDK?
On 3/10/06, Stephen Hemminger <[EMAIL PROTECTED]> wrote: > The strace shows that the client? does lots of little send's > also, the response is handled in a different thread than the sender so they > spend a lot of time banging on futex's. > > I got these by doing > strace -ff -o /tmp/foo eclipse > > > sched_getscheduler(15164) = 0 (SCHED_OTHER) > gettimeofday({1142026997, 896025}, NULL) = 0 > futex(0x80b77ec, FUTEX_WAKE, 1) = 1 > futex(0x80b77e8, FUTEX_WAKE, 1) = 0 > futex(0x80ce014, FUTEX_WAIT, 3, NULL) = 0 > futex(0x805c638, FUTEX_WAIT, 2, NULL) = -1 EAGAIN (Resource > temporarily unavailable) > futex(0x805c638, FUTEX_WAKE, 1) = 0 > futex(0x80cca4c, FUTEX_WAIT, 5, NULL) = 0 > futex(0x80cca48, FUTEX_WAIT, 2, NULL) = 0 > futex(0x80cca48, FUTEX_WAKE, 1) = 0 > futex(0x80cac18, FUTEX_WAKE, 1) = 0 > send(3, "\0\0\0\37", 4, 0) = 4 > send(3, "\0\0\0\2", 4, 0) = 4 > send(3, "\200", 1, 0) = 1 > send(3, "\0\0", 2, 0) = 2 > send(3, "\0\0\0\4\0\0\0\4\0\0\0\10\0\0\0\10\0\0\0\10", 20, 0) = 20 > futex(0x80cca4c, FUTEX_WAIT, 7, NULL) = 0 > futex(0x80cca48, FUTEX_WAIT, 2, NULL) = 0 > futex(0x80cca48, FUTEX_WAKE, 1) = 0 > futex(0x80cac18, FUTEX_WAKE, 1) = 0 > send(3, "\0\0\0\17", 4, 0) = 4 > send(3, "\0\0\0\3", 4, 0) = 4 > send(3, "\200", 1, 0) = 1 > send(3, "\0\0", 2, 0) = 2 > send(3, "\0\0\0\2", 4, 0) = 4 > futex(0x80cca4c, FUTEX_WAIT, 9, NULL) = 0 > futex(0x80cca48, FUTEX_WAIT, 2, NULL) = 0 > futex(0x80cca48, FUTEX_WAKE, 1) = 0 > futex(0x80cac18, FUTEX_WAKE, 1) = 0 > > > The other side is more sane > > futex(0x805b5c8, FUTEX_WAKE, 1) = 0 > send(9, "\0\0\0\v\0\0\0\2\0\1\7", 11, 0) = 11 > futex(0x831356c, FUTEX_WAIT, 3, NULL) = 0 > futex(0xaee3d008, FUTEX_WAKE, 1) = 0 > send(9, "\0\0\0\21\0\0\0\3\0\17\1\t\0\0\0\0\0", 17, 0) = 17 > futex(0x831356c, FUTEX_WAIT, 5, NULL) = 0 > futex(0x8313568, FUTEX_WAIT, 2, NULL) = 0 > futex(0x8313568, FUTEX_WAKE, 1) = 0 > futex(0xaee3d008, FUTEX_WAKE, 1) = 0 > send(9, "\0\0\0\21\0\0\0\1\0\17\1\6\0\0\0\0\0", 17, 0) > = 17 > futex(0x831356c, FUTEX_WAIT, 7, NULL) = 0 > futex(0x8313568, FUTEX_WAIT, 2, NULL) = 0 > futex(0x8313568, FUTEX_WAKE, 1) = 0 > futex(0xaee3d008, FUTEX_WAKE, 1) = 0 > send(9, "\0\0\0\21\0\0\0\4\0\17\1\7\0\0\0\0\0", 17, 0) > = 17 > futex(0x831356c, FUTEX_WAIT, 9, NULL) = 0 > futex(0x8313568, FUTEX_WAIT, 2, NULL) = 0 > futex(0x8313568, FUTEX_WAKE, 1) = 0 > futex(0xaee3d008, FUTEX_WAKE, 1) = 0 > s > - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html