diff for duplicates of <1468434332.1869.8.camel@ssi> diff --git a/a/1.txt b/N1/1.txt index a3899f4..e8c9d3e 100644 --- a/a/1.txt +++ b/N1/1.txt @@ -1,4 +1,4 @@ -On Wed, 2016-07-13@12:49 +0300, Sagi Grimberg wrote: +On Wed, 2016-07-13 at 12:49 +0300, Sagi Grimberg wrote: > > Hi list, > > Hey Ming, @@ -60,7 +60,7 @@ On Wed, 2016-07-13@12:49 +0300, Sagi Grimberg wrote: I didn't set it. It's 1 by default. Now I set it. -root at host:~# cat t.job +root@host:~# cat t.job [global] ioengine=libaio direct=1 @@ -83,7 +83,7 @@ numjobs=1 It's polling. -root at host:~# cat /sys/block/nvme0n1/queue/io_poll +root@host:~# cat /sys/block/nvme0n1/queue/io_poll 1 > @@ -97,7 +97,7 @@ Yes. > always do. thats a latency source. can you try with > register_always=0? -root at host:~# cat /sys/module/nvme_rdma/parameters/register_always +root@host:~# cat /sys/module/nvme_rdma/parameters/register_always N @@ -109,7 +109,7 @@ N Only 1 CPU online on both host and target machine. -root at host:~# lscpu +root@host:~# lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian @@ -117,7 +117,7 @@ CPU(s): 8 On-line CPU(s) list: 0 Off-line CPU(s) list: 1-7 -root at target:~# lscpu +root@target:~# lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian @@ -133,7 +133,7 @@ Off-line CPU(s) list: 1-7 With null_blk on target, latency about 12us. -root at host:~# fio t.job +root@host:~# fio t.job job1: (g=0): rw=randread, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=1 fio-2.9-3-g2078c Starting 1 process @@ -147,7 +147,7 @@ job1: (groupid=0, jobs=1): err= 0: pid=3067: Wed Jul 13 11:20:19 2016 With real NVMe device on target, host see latency about 33us. -root at host:~# fio t.job +root@host:~# fio t.job job1: (g=0): rw=randread, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=1 fio-2.9-3-g2078c Starting 1 process @@ -163,7 +163,7 @@ So nvmeof added only about ~10us. That's nice! -root at target:~# fio t.job +root@target:~# fio t.job job1: (g=0): rw=randread, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=1 fio-2.8-26-g603e Starting 1 process @@ -173,3 +173,10 @@ job1: (groupid=0, jobs=1): err= 0: pid=2725: Wed Jul 13 11:23:46 2016 slat (usec): min=1, max=60, avg= 1.88, stdev= 0.63 clat (usec): min=1, max=144, avg=21.61, stdev= 8.96 lat (usec): min=19, max=162, avg=23.59, stdev= 9.00 + + + +-- +To unsubscribe from this list: send the line "unsubscribe linux-rdma" in +the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org +More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/a/content_digest b/N1/content_digest index 401c8a3..c665535 100644 --- a/a/content_digest +++ b/N1/content_digest @@ -1,11 +1,17 @@ "ref\01467921342.24395.12.camel@ssi\0" "ref\057860EBA.5010103@grimberg.me\0" - "From\0mlin@kernel.org (Ming Lin)\0" - "Subject\0NVMe over RDMA latency\0" + "ref\057860EBA.5010103-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org\0" + "From\0Ming Lin <mlin-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>\0" + "Subject\0Re: NVMe over RDMA latency\0" "Date\0Wed, 13 Jul 2016 11:25:32 -0700\0" + "To\0Sagi Grimberg <sagi-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>\0" + "Cc\0linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" + linux-nvme-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org + Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org> + " Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>\0" "\00:1\0" "b\0" - "On Wed, 2016-07-13@12:49 +0300, Sagi Grimberg wrote:\n" + "On Wed, 2016-07-13 at 12:49 +0300, Sagi Grimberg wrote:\n" "> > Hi list,\n" "> \n" "> Hey Ming,\n" @@ -67,7 +73,7 @@ "I didn't set it. It's 1 by default.\n" "Now I set it.\n" "\n" - "root at host:~# cat t.job \n" + "root@host:~# cat t.job \n" "[global]\n" "ioengine=libaio\n" "direct=1\n" @@ -90,7 +96,7 @@ "\n" "It's polling.\n" "\n" - "root at host:~# cat /sys/block/nvme0n1/queue/io_poll \n" + "root@host:~# cat /sys/block/nvme0n1/queue/io_poll \n" "1\n" "\n" "> \n" @@ -104,7 +110,7 @@ "> always do. thats a latency source. can you try with\n" "> register_always=0?\n" "\n" - "root at host:~# cat /sys/module/nvme_rdma/parameters/register_always \n" + "root@host:~# cat /sys/module/nvme_rdma/parameters/register_always \n" "N\n" "\n" "\n" @@ -116,7 +122,7 @@ "\n" "Only 1 CPU online on both host and target machine.\n" "\n" - "root at host:~# lscpu \n" + "root@host:~# lscpu \n" "Architecture: x86_64\n" "CPU op-mode(s): 32-bit, 64-bit\n" "Byte Order: Little Endian\n" @@ -124,7 +130,7 @@ "On-line CPU(s) list: 0\n" "Off-line CPU(s) list: 1-7\n" "\n" - "root at target:~# lscpu \n" + "root@target:~# lscpu \n" "Architecture: x86_64\n" "CPU op-mode(s): 32-bit, 64-bit\n" "Byte Order: Little Endian\n" @@ -140,7 +146,7 @@ "\n" "With null_blk on target, latency about 12us.\n" "\n" - "root at host:~# fio t.job \n" + "root@host:~# fio t.job \n" "job1: (g=0): rw=randread, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=1\n" "fio-2.9-3-g2078c\n" "Starting 1 process\n" @@ -154,7 +160,7 @@ "\n" "With real NVMe device on target, host see latency about 33us.\n" "\n" - "root at host:~# fio t.job \n" + "root@host:~# fio t.job \n" "job1: (g=0): rw=randread, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=1\n" "fio-2.9-3-g2078c\n" "Starting 1 process\n" @@ -170,7 +176,7 @@ "\n" "That's nice!\n" "\n" - "root at target:~# fio t.job \n" + "root@target:~# fio t.job \n" "job1: (g=0): rw=randread, bs=4K-4K/4K-4K/4K-4K, ioengine=libaio, iodepth=1\n" "fio-2.8-26-g603e\n" "Starting 1 process\n" @@ -179,6 +185,13 @@ " read : io=1605.3MB, bw=164380KB/s, iops=41095, runt= 10000msec\n" " slat (usec): min=1, max=60, avg= 1.88, stdev= 0.63\n" " clat (usec): min=1, max=144, avg=21.61, stdev= 8.96\n" - lat (usec): min=19, max=162, avg=23.59, stdev= 9.00 + " lat (usec): min=19, max=162, avg=23.59, stdev= 9.00\n" + "\n" + "\n" + "\n" + "--\n" + "To unsubscribe from this list: send the line \"unsubscribe linux-rdma\" in\n" + "the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org\n" + More majordomo info at http://vger.kernel.org/majordomo-info.html -10a947a625bdee2481271d0005147b4f7935fe16e30ad637bc72f47653bf1ef1 +ee5d46e51995903aa30730e7a92c35db3fcd03eb8c0ffc413692946271880646
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