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Message-ID: <5388E6F2.1010603@gmail.com> Date: Fri, 30 May 2014 13:15:46 -0700 From: Dirk Brandewie <dirk.brandewie@...il.com> To: Tim Chen <tim.c.chen@...ux.intel.com> CC: dirk.brandewie@...il.com, Dave Jones <davej@...hat.com>, George Spelvin <linux@...izon.com>, herbert@...dor.apana.org.au, james.guilford@...el.com, JBeulich@...e.com, linux-kernel@...r.kernel.org, Jacob jun Pan <jacob.jun.pan@...el.com> Subject: Re: [RFC PATCH] crypto: crc32c-pclmul - Use pmovzxdq to shrink K_table On 05/30/2014 01:07 PM, Tim Chen wrote: > On Fri, 2014-05-30 at 12:38 -0700, Dirk Brandewie wrote: > >>> Dirk, >>> >>> Thanks for checking things out. >>> >>> I tested on a Haswell system, and I see that the frequency >>> can dip below the max even when I set the min_perf_pct to 100. >>> Let me know if you want to log on to my system and check if >>> there's something I missed. It is odd that the package 1's >>> cores are at a much higher frequency and close to >>> max than package 0, once min_perf_pct is set to 100. >>> >> >> Can you run turbostat for a few samples it reports an average over the sample >> time. >> > > Here it is. > You have me at a loss here I can come in on Monday if you are around and we can try to figure out what is happening. --Dirk > Tim > > Package Core CPU Avg_MHz %Busy Bzy_MHz TSC_MHz SMI CPU%c1 CPU%c3 CPU%c6 CPU%c7 CoreTmp PkgTmp Pkg%pc2 Pkg%pc3 Pkg%pc6 Pkg%pc7 PkgWatt RAMWatt PKG_% RAM_% > - - - 0 0.02 2048 2594 0 0.23 0.00 99.75 0.00 33 42 5.93 0.00 91.52 0.00 23.22 4.15 0.12 0.00 > 0 0 0 1 0.06 1997 2594 0 0.16 0.00 99.78 0.00 32 42 7.92 0.00 91.55 0.00 16.88 1.95 0.06 0.00 > 0 0 28 0 0.01 1338 2594 0 0.21 > 0 1 1 0 0.02 1696 2594 0 0.11 0.00 99.87 0.00 33 > 0 1 29 0 0.01 1455 2594 0 0.11 > 0 2 2 0 0.01 1618 2594 0 0.07 0.00 99.91 0.00 30 > 0 2 30 0 0.01 1513 2594 0 0.07 > 0 3 3 0 0.01 1724 2594 0 0.08 0.00 99.91 0.00 31 > 0 3 31 0 0.01 1447 2594 0 0.08 > 0 4 4 0 0.01 1769 2594 0 0.06 0.00 99.92 0.00 32 > 0 4 32 0 0.01 1483 2594 0 0.06 > 0 5 5 0 0.01 1670 2594 0 0.07 0.00 99.92 0.00 29 > 0 5 33 0 0.01 1515 2594 0 0.07 > 0 6 6 0 0.01 1600 2594 0 0.07 0.00 99.92 0.00 33 > 0 6 34 0 0.01 1412 2594 0 0.07 > 0 8 7 0 0.01 1588 2594 0 0.07 0.00 99.92 0.00 30 > 0 8 35 0 0.01 1432 2594 0 0.07 > 0 9 8 0 0.01 1662 2594 0 0.11 0.00 99.88 0.00 32 > 0 9 36 0 0.02 1658 2594 0 0.10 > 0 10 9 0 0.01 1570 2594 0 0.07 0.00 99.91 0.00 32 > 0 10 37 0 0.01 1468 2594 0 0.07 > 0 11 10 0 0.01 1680 2594 0 0.07 0.00 99.92 0.00 31 > 0 11 38 0 0.01 1511 2594 0 0.07 > 0 12 11 0 0.01 1690 2594 0 0.08 0.00 99.91 0.00 30 > 0 12 39 0 0.01 1560 2594 0 0.08 > 0 13 12 0 0.02 1604 2594 0 0.11 0.00 99.87 0.00 29 > 0 13 40 0 0.02 1436 2594 0 0.11 > 0 14 13 0 0.02 1620 2594 0 0.09 0.00 99.89 0.00 29 > 0 14 41 0 0.02 1440 2594 0 0.09 > 1 0 14 0 0.03 1666 2594 0 0.16 0.00 99.82 0.00 28 36 3.94 0.00 91.50 0.00 6.34 2.20 0.06 0.00 > 1 0 42 3 0.08 3263 2594 0 0.11 > 1 1 15 0 0.01 2194 2594 0 0.09 0.00 99.90 0.00 30 > 1 1 43 0 0.01 2358 2594 0 0.09 > 1 2 16 0 0.01 2650 2594 0 0.08 0.00 99.91 0.00 28 > 1 2 44 0 0.01 2032 2594 0 0.08 > 1 3 17 1 0.03 2305 2594 0 4.11 0.00 95.86 0.00 30 > 1 3 45 0 0.01 2290 2594 0 4.13 > 1 4 18 0 0.01 2362 2594 0 0.09 0.00 99.90 0.00 28 > 1 4 46 0 0.01 2325 2594 0 0.09 > 1 5 19 0 0.01 2374 2594 0 0.07 0.00 99.92 0.00 30 > 1 5 47 0 0.01 2442 2594 0 0.07 > 1 6 20 0 0.01 2476 2594 0 0.08 0.00 99.91 0.00 30 > 1 6 48 0 0.01 2382 2594 0 0.07 > 1 8 21 0 0.01 2669 2594 0 0.09 0.00 99.90 0.00 29 > 1 8 49 0 0.02 1953 2594 0 0.09 > 1 9 22 0 0.01 2537 2594 0 0.10 0.00 99.89 0.00 31 > 1 9 50 0 0.01 2117 2594 0 0.10 > 1 10 23 0 0.01 2531 2594 0 0.07 0.00 99.92 0.00 27 > 1 10 51 0 0.01 2404 2594 0 0.08 > 1 11 24 0 0.01 2315 2594 0 0.08 0.00 99.91 0.00 28 > 1 11 52 0 0.01 2210 2594 0 0.08 > 1 12 25 0 0.01 2434 2594 0 0.07 0.00 99.91 0.00 28 > 1 12 53 0 0.01 2113 2594 0 0.08 > 1 13 26 0 0.01 2070 2594 0 0.07 0.00 99.91 0.00 27 > 1 13 54 0 0.01 2114 2594 0 0.08 > 1 14 27 0 0.01 2324 2594 0 0.10 0.00 99.89 0.00 27 > 1 14 55 1 0.03 2991 2594 0 0.08 > Package Core CPU Avg_MHz %Busy Bzy_MHz TSC_MHz SMI CPU%c1 CPU%c3 CPU%c6 CPU%c7 CoreTmp PkgTmp Pkg%pc2 Pkg%pc3 Pkg%pc6 Pkg%pc7 PkgWatt RAMWatt PKG_% RAM_% > - - - 0 0.01 2138 2594 0 0.10 0.01 99.88 0.00 33 42 4.32 0.09 94.88 0.00 22.45 3.56 0.12 0.00 > 0 0 0 1 0.07 2106 2594 0 0.25 0.00 99.68 0.00 31 42 4.20 0.00 95.00 0.00 16.72 1.73 0.06 0.00 > 0 0 28 0 0.01 2163 2594 0 0.31 > 0 1 1 0 0.02 2005 2594 0 0.11 0.00 99.87 0.00 33 > 0 1 29 0 0.01 1823 2594 0 0.12 > 0 2 2 0 0.02 2008 2594 0 0.10 0.00 99.88 0.00 30 > 0 2 30 0 0.01 1903 2594 0 0.10 > 0 3 3 0 0.02 1953 2594 0 0.10 0.00 99.88 0.00 31 > 0 3 31 0 0.01 1840 2594 0 0.11 > 0 4 4 0 0.02 2220 2594 0 0.09 0.01 99.89 0.00 33 > 0 4 32 0 0.01 1806 2594 0 0.09 > 0 5 5 0 0.01 1723 2594 0 0.09 0.00 99.89 0.00 28 > 0 5 33 0 0.01 1904 2594 0 0.09 > 0 6 6 0 0.01 1806 2594 0 0.08 0.00 99.91 0.00 33 > 0 6 34 0 0.01 1824 2594 0 0.08 > 0 8 7 0 0.01 1910 2594 0 0.10 0.00 99.89 0.00 30 > 0 8 35 0 0.01 1847 2594 0 0.10 > 0 9 8 0 0.02 2204 2594 0 0.11 0.00 99.88 0.00 30 > 0 9 36 0 0.02 1899 2594 0 0.11 > 0 10 9 0 0.01 1967 2594 0 0.09 0.00 99.90 0.00 33 > 0 10 37 0 0.01 1838 2594 0 0.09 > 0 11 10 0 0.01 1696 2594 0 0.08 0.00 99.90 0.00 31 > 0 11 38 0 0.01 1728 2594 0 0.08 > 0 12 11 0 0.02 1863 2594 0 0.09 0.00 99.90 0.00 30 > 0 12 39 0 0.01 1838 2594 0 0.09 > 0 13 12 0 0.02 1856 2594 0 0.11 0.00 99.87 0.00 29 > 0 13 40 0 0.01 1741 2594 0 0.12 > 0 14 13 0 0.02 1887 2594 0 0.10 0.00 99.88 0.00 30 > 0 14 41 0 0.01 1860 2594 0 0.11 > 1 0 14 0 0.03 1875 2594 0 0.09 0.00 99.88 0.00 28 38 4.44 0.18 94.75 0.00 5.72 1.82 0.06 0.00 > 1 0 42 0 0.01 2363 2594 0 0.11 > 1 1 15 0 0.01 2368 2594 0 0.09 0.00 99.90 0.00 31 > 1 1 43 0 0.01 2403 2594 0 0.09 > 1 2 16 0 0.01 2501 2594 0 0.07 0.00 99.91 0.00 27 > 1 2 44 0 0.01 2469 2594 0 0.07 > 1 3 17 1 0.04 2674 2594 0 0.10 0.19 99.66 0.00 30 > 1 3 45 0 0.01 2374 2594 0 0.13 > 1 4 18 0 0.01 2446 2594 0 0.08 0.00 99.91 0.00 28 > 1 4 46 0 0.01 2372 2594 0 0.08 > 1 5 19 0 0.01 2479 2594 0 0.08 0.00 99.91 0.00 29 > 1 5 47 0 0.01 2352 2594 0 0.08 > 1 6 20 0 0.01 2436 2594 0 0.07 0.00 99.91 0.00 30 > 1 6 48 0 0.01 2381 2594 0 0.08 > 1 8 21 0 0.01 2377 2594 0 0.08 0.00 99.91 0.00 29 > 1 8 49 0 0.01 2629 2594 0 0.08 > 1 9 22 0 0.01 2407 2594 0 0.09 0.00 99.90 0.00 30 > 1 9 50 0 0.01 2547 2594 0 0.09 > 1 10 23 0 0.01 2254 2594 0 0.09 0.00 99.90 0.00 28 > 1 10 51 0 0.01 2514 2594 0 0.09 > 1 11 24 0 0.01 2204 2594 0 0.10 0.00 99.89 0.00 29 > 1 11 52 0 0.01 2187 2594 0 0.09 > 1 12 25 0 0.01 2310 2594 0 0.09 0.00 99.90 0.00 27 > 1 12 53 0 0.01 2636 2594 0 0.09 > 1 13 26 0 0.01 2325 2594 0 0.09 0.00 99.89 0.00 29 > 1 13 54 0 0.02 1959 2594 0 0.09 > 1 14 27 0 0.01 2273 2594 0 0.11 0.00 99.88 0.00 28 > 1 14 55 1 0.02 2678 2594 0 0.10 > Package Core CPU Avg_MHz %Busy Bzy_MHz TSC_MHz SMI CPU%c1 CPU%c3 CPU%c6 CPU%c7 CoreTmp PkgTmp Pkg%pc2 Pkg%pc3 Pkg%pc6 Pkg%pc7 PkgWatt RAMWatt PKG_% RAM_% > - - - 0 0.02 2223 2594 0 0.12 0.00 99.86 0.00 34 41 4.47 0.00 94.54 0.00 22.70 3.64 0.14 0.00 > 0 0 0 1 0.05 2251 2594 0 0.18 0.00 99.77 0.00 32 41 4.81 0.00 94.56 0.00 16.89 1.78 0.06 0.00 > 0 0 28 0 0.01 1846 2594 0 0.22 > 0 1 1 0 0.02 1758 2594 0 0.12 0.00 99.86 0.00 33 > 0 1 29 0 0.02 1945 2594 0 0.12 > 0 2 2 0 0.02 1635 2594 0 0.09 0.00 99.89 0.00 29 > 0 2 30 0 0.01 1939 2594 0 0.10 > 0 3 3 0 0.01 1834 2594 0 0.08 0.00 99.90 0.00 31 > 0 3 31 0 0.01 1554 2594 0 0.09 > 0 4 4 0 0.02 1827 2594 0 0.08 0.00 99.91 0.00 33 > 0 4 32 0 0.01 1824 2594 0 0.08 > 0 5 5 0 0.02 1925 2594 0 0.08 0.00 99.90 0.00 29 > 0 5 33 0 0.01 1796 2594 0 0.08 > 0 6 6 0 0.02 1801 2594 0 0.07 0.00 99.91 0.00 34 > 0 6 34 0 0.01 1874 2594 0 0.08 > 0 8 7 0 0.02 1930 2594 0 0.08 0.00 99.91 0.00 30 > 0 8 35 0 0.01 1901 2594 0 0.08 > 0 9 8 0 0.02 1874 2594 0 0.10 0.00 99.88 0.00 30 > 0 9 36 0 0.02 1915 2594 0 0.10 > 0 10 9 0 0.02 1779 2594 0 0.08 0.00 99.90 0.00 32 > 0 10 37 0 0.01 1983 2594 0 0.09 > 0 11 10 0 0.02 1754 2594 0 0.08 0.00 99.90 0.00 31 > 0 11 38 0 0.01 1722 2594 0 0.09 > 0 12 11 0 0.02 1730 2594 0 0.08 0.00 99.90 0.00 29 > 0 12 39 0 0.01 1892 2594 0 0.09 > 0 13 12 0 0.02 1943 2594 0 0.10 0.00 99.88 0.00 30 > 0 13 40 0 0.02 2016 2594 0 0.10 > 0 14 13 0 0.02 1893 2594 0 0.10 0.00 99.87 0.00 31 > 0 14 41 0 0.01 1790 2594 0 0.11 > 1 0 14 1 0.03 1998 2594 0 0.16 0.00 99.81 0.00 28 37 4.13 0.00 94.52 0.00 5.81 1.86 0.08 0.00 > 1 0 42 3 0.08 3493 2594 0 0.11 > 1 1 15 0 0.01 2483 2594 0 0.08 0.00 99.90 0.00 31 > 1 1 43 0 0.01 2279 2594 0 0.09 > 1 2 16 0 0.01 2454 2594 0 0.07 0.00 99.92 0.00 27 > 1 2 44 0 0.01 2405 2594 0 0.07 > 1 3 17 1 0.03 3069 2594 0 0.29 0.00 99.68 0.00 31 > 1 3 45 0 0.01 2298 2594 0 0.31 > 1 4 18 0 0.01 2515 2594 0 0.08 0.00 99.91 0.00 28 > 1 4 46 0 0.01 2193 2594 0 0.08 > 1 5 19 0 0.01 2547 2594 0 0.06 0.00 99.93 0.00 28 > 1 5 47 0 0.01 2327 2594 0 0.06 > 1 6 20 0 0.01 2315 2594 0 0.07 0.00 99.92 0.00 29 > 1 6 48 0 0.01 2120 2594 0 0.07 > 1 8 21 0 0.01 2482 2594 0 0.07 0.00 99.92 0.00 29 > 1 8 49 0 0.01 2311 2594 0 0.07 > 1 9 22 0 0.01 2372 2594 0 0.09 0.00 99.90 0.00 30 > 1 9 50 0 0.01 2509 2594 0 0.09 > 1 10 23 0 0.02 2147 2594 0 0.08 0.00 99.91 0.00 27 > 1 10 51 0 0.01 2477 2594 0 0.08 > 1 11 24 0 0.01 2138 2594 0 0.08 0.00 99.90 0.00 29 > 1 11 52 0 0.01 2365 2594 0 0.09 > 1 12 25 0 0.01 1965 2594 0 0.07 0.00 99.91 0.00 28 > 1 12 53 0 0.01 2447 2594 0 0.08 > 1 13 26 0 0.01 2476 2594 0 0.08 0.00 99.91 0.00 28 > 1 13 54 0 0.01 2282 2594 0 0.08 > 1 14 27 0 0.01 2386 2594 0 0.76 0.00 99.22 0.00 28 > 1 14 55 1 0.02 3065 2594 0 0.75 > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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