On Tue, 22 May 2012 22:27:42 +0100 Mathias Burén <mathias.buren@xxxxxxxxx> wrote: > Hi list, > > I just compiled 3.4 for my little Atom box. Is there any way I can > confirm if the RAID6 check is using SSSE6 instructions? SSSE6 ? What is that? Some other name for SSSE3 ?? The SSSE3 RAID6 code was too late for 3.4. It is in -next and should appear in 3.5-rc1. NeilBrown > > $ zcat /proc/config.gz |grep -i -P '(raid|sss)' > CONFIG_RAID_ATTRS=y > CONFIG_MD_RAID0=m > CONFIG_MD_RAID1=m > CONFIG_MD_RAID10=m > CONFIG_MD_RAID456=y > # CONFIG_MULTICORE_RAID456 is not set > CONFIG_DM_RAID=m > CONFIG_ASYNC_RAID6_TEST=m > CONFIG_ASYNC_RAID6_RECOV=y > CONFIG_CRYPTO_SHA1_SSSE3=y > CONFIG_RAID6_PQ=y > > $ cat /proc/cpuinfo |grep ssse > flags : fpu vme de tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat > clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm > constant_tsc arch_perfmon pebs bts nopl aperfmperf pni dtes64 monitor > ds_cpl tm2 ssse3 cx16 xtpr pdcm movbe lahf_lm dts > > $ cat /proc/mdstat > Personalities : [raid6] [raid5] [raid4] > md0 : active raid6 sdf1[5] sdh1[8] sdg1[0] sde1[7] sdc1[3] sdd1[4] sdb1[9] > 9751756800 blocks super 1.2 level 6, 64k chunk, algorithm 2 > [7/7] [UUUUUUU] > [>....................] check = 0.7% (15577860/1950351360) > finish=1918.9min speed=16804K/sec > > unused devices: <none> > > $ ps aux |grep -i -P '(md|raid)' > root 27 0.0 0.0 0 0 ? S< 21:52 0:00 [md] > root 342 15.5 0.0 0 0 ? R 21:52 5:23 [md0_raid6] > root 3937 65.2 0.0 0 0 ? R 22:13 9:11 [md0_resync] > > Thanks, > Mathias > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html
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