[PATCH V3 0/5] makedumpfile: --split: assign fair I/O workloads in appropriate time
"Zhou, Wenjian/周文剑"
zhouwj-fnst at cn.fujitsu.com
Mon Nov 3 17:51:08 PST 2014
Ping...
On 10/30/2014 05:45 PM, Zhou Wenjian wrote:
> v2->v3:
> 1.remove the filtering for incomplete block (previous second pass) and adjust
> relevant codes
> 2.address HATAYAMA's comments about coding style
>
> v1->v2:
> 1.use splitblock instead of block
> 2.add restriction (align to the page size) to splitblock size
> 3.adjust the position of prepare_splitblock_table and check the return code
> 4.use --splitblock-size to specify splitblock size and modify the print_info.c
>
> the v2 test result is:
>
> cyc-buf 128 256 512 1024 2048 4096
> splblk-size
> 2M 24.05(0.65) 24.04(0.65) 24.58(0.65) 24.15(0.64) 24.14(0.64) 49.05(25.46)
> 4M 23.98(0.65) 24.01(0.65) 24.29(0.65) 24.20(0.64) 24.18(0.66) 49.04(25.46)
> 8M 24.02(0.65) 24.03(0.65) 24.25(0.65) 24.26(0.70) 24.15(0.64) 48.98(25.44)
> 16M 24.01(0.65) 24.01(0.65) 24.30(0.65) 24.19(0.64) 24.12(0.65) 48.99(25.45)
> 32M 23.97(0.65) 24.06(0.73) 24.23(0.65) 24.17(0.64) 24.19(0.64) 48.97(25.50)
> 64M 24.06(0.66) 24.07(0.66) 24.27(0.66) 24.16(0.65) 24.17(0.65) 48.98(25.49)
> 128M 24.03(0.67) 24.00(0.67) 24.27(0.66) 24.22(0.66) 24.19(0.66) 48.98(25.48)
> 256M 24.12(0.67) 23.99(0.67) 24.27(0.67) 24.17(0.66) 24.12(0.66) 49.04(25.49)
> 512M 24.06(0.70) 24.08(0.70) 24.26(0.70) 24.14(0.71) 24.19(0.70) 49.13(25.64)
> 1G 24.20(0.82) 24.13(0.81) 24.36(0.81) 24.31(0.80) 24.33(0.81) 49.28(25.75)
> 2G 24.19(0.81) 24.22(0.81) 24.37(0.81) 24.29(0.80) 24.28(0.82) 49.30(25.78)
> 4G 25.29(1.90) 25.26(1.91) 25.49(1.91) 25.41(1.89) 25.50(1.90) 49.99(26.45)
> 8G 25.33(1.90) 26.60(3.23) 26.87(3.21) 26.71(3.23) 26.64(3.22) 51.27(27.73)
> 16G 25.28(1.90) 26.52(3.21) 29.47(5.86) 29.34(5.84) 29.38(5.86) 53.99(30.40)
>
>
> the latest test result turns to:
>
> cyc-buf 128 256 512 1024 2048 4096
> splblk-size
> 2M 23.34(0.00) 23.36(0.00) 23.51(0.00) 23.86(0.00) 23.48(0.00) 23.45(0.00)
> 4M 23.36(0.00) 23.32(0.00) 23.62(0.00) 23.48(0.00) 23.53(0.00) 23.45(0.00)
> 8M 23.33(0.00) 23.46(0.00) 23.61(0.00) 23.77(0.00) 23.52(0.00) 23.53(0.00)
> 16M 23.33(0.00) 23.38(0.00) 23.57(0.00) 23.47(0.00) 23.55(0.00) 23.49(0.00)
> 32M 23.40(0.00) 23.31(0.00) 23.64(0.00) 23.51(0.00) 23.50(0.00) 23.55(0.00)
> 64M 23.39(0.00) 23.41(0.00) 23.62(0.00) 23.47(0.00) 23.46(0.00) 23.50(0.00)
> 128M 23.36(0.00) 23.34(0.00) 23.59(0.00) 23.46(0.00) 23.46(0.00) 23.50(0.00)
> 256M 23.32(0.00) 23.36(0.00) 23.57(0.00) 23.49(0.00) 23.45(0.00) 23.52(0.00)
> 512M 23.32(0.00) 23.32(0.00) 23.63(0.00) 23.49(0.00) 23.52(0.00) 23.51(0.00)
> 1G 23.38(0.00) 23.32(0.00) 23.60(0.00) 23.54(0.00) 23.49(0.00) 23.54(0.00)
> 2G 23.34(0.00) 23.36(0.00) 23.62(0.00) 23.52(0.00) 23.52(0.00) 23.50(0.00)
> 4G 23.36(0.00) 23.37(0.00) 23.60(0.00) 23.48(0.00) 23.56(0.00) 23.55(0.00)
> 8G 23.37(0.00) 23.39(0.00) 23.52(0.00) 23.53(0.00) 23.46(0.00) 23.48(0.00)
> 16G 23.39(0.00) 23.41(0.00) 23.85(0.00) 23.48(0.00) 23.50(0.00) 23.45(0.00)
>
> Zhou Wenjian (5):
> Add support for splitblock
> Add tools for reading and writing from splitblock table
> Add module of generating table
> Add module of calculating start_pfn and end_pfn in each dumpfile
> Add support for --splitblock-size
>
> makedumpfile.8 | 10 +++
> makedumpfile.c | 244 ++++++++++++++++++++++++++++++++++++++++++++++++++++++--
> makedumpfile.h | 19 +++++
> print_info.c | 5 +
> 4 files changed, 272 insertions(+), 6 deletions(-)
>
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