On Sun, Nov 18, 2012 at 2:55 PM, David Rientjes <[email protected]> wrote: > On Sat, 17 Nov 2012, Marc Duponcheel wrote: > >> # echo always >/sys/kernel/mm/transparent_hugepage/enabled >> # while [ 1 ] >> do >> sleep 10 >> date >> echo = vmstat >> egrep "(thp|compact)" /proc/vmstat >> echo = khugepaged stack >> cat /proc/501/stack >> done > /tmp/49361.xxxx >> # emerge icedtea >> (where 501 = pidof khugepaged) >> >> for xxxx = base = 3.6.6 >> and xxxx = test = 3.6.6 + diff you provided >> >> I attach >> /tmp/49361.base.gz >> and >> /tmp/49361.test.gz >> >> Note: >> >> with xxx=base, I could see >> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND >> 8617 root 20 0 3620m 41m 10m S 988.3 0.5 6:19.06 javac >> 1 root 20 0 4208 588 556 S 0.0 0.0 0:03.25 init >> already during configure and I needed to kill -9 javac >> >> with xxx=test, I could see >> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND >> 9275 root 20 0 2067m 474m 10m S 304.2 5.9 0:32.81 javac >> 710 root 0 -20 0 0 0 S 0.3 0.0 0:01.07 kworker/0:1H >> later when processing >700 java files >> >> Also note that with xxx=test compact_blocks_moved stays 0 >> > > Sounds good! Andy, have you had the opportunity to try to reproduce your > issue with the backports that Mel listed? I think he'll be considering > asking for some of these to be backported for a future stable release so > any input you can provide would certainly be helpful.
I've had an impressive amount of trouble even reproducing it on 3.6. Apparently I haven't hid the magic combination yet. I'll give it another try soon. -- Andy Lutomirski AMA Capital Management, LLC -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
