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Message-ID: <20150719123701.GD24238@esperanza> Date: Sun, 19 Jul 2015 15:37:02 +0300 From: Vladimir Davydov <vdavydov@...allels.com> To: Andrew Morton <akpm@...ux-foundation.org> CC: Andres Lagar-Cavilla <andreslc@...gle.com>, Minchan Kim <minchan@...nel.org>, Raghavendra K T <raghavendra.kt@...ux.vnet.ibm.com>, Johannes Weiner <hannes@...xchg.org>, Michal Hocko <mhocko@...e.cz>, Greg Thelen <gthelen@...gle.com>, Michel Lespinasse <walken@...gle.com>, David Rientjes <rientjes@...gle.com>, Pavel Emelyanov <xemul@...allels.com>, Cyrill Gorcunov <gorcunov@...nvz.org>, Jonathan Corbet <corbet@....net>, <linux-api@...r.kernel.org>, <linux-doc@...r.kernel.org>, <linux-mm@...ck.org>, <cgroups@...r.kernel.org>, <linux-kernel@...r.kernel.org> Subject: Re: [PATCH -mm v9 0/8] idle memory tracking On Sun, Jul 19, 2015 at 03:31:09PM +0300, Vladimir Davydov wrote: > ---- PERFORMANCE EVALUATION ---- > > SPECjvm2008 (https://www.spec.org/jvm2008/) was used to evaluate the > performance impact introduced by this patch set. Three runs were carried > out: > > - base: kernel without the patch > - patched: patched kernel, the feature is not used > - patched-active: patched kernel, 1 minute-period daemon is used for > tracking idle memory > > For tracking idle memory, idlememstat utility was used: > https://github.com/locker/idlememstat > > testcase base patched patched-active > > compiler 537.40 ( 0.00)% 532.26 (-0.96)% 538.31 ( 0.17)% > compress 305.47 ( 0.00)% 301.08 (-1.44)% 300.71 (-1.56)% > crypto 284.32 ( 0.00)% 282.21 (-0.74)% 284.87 ( 0.19)% > derby 411.05 ( 0.00)% 413.44 ( 0.58)% 412.07 ( 0.25)% > mpegaudio 189.96 ( 0.00)% 190.87 ( 0.48)% 189.42 (-0.28)% > scimark.large 46.85 ( 0.00)% 46.41 (-0.94)% 47.83 ( 2.09)% > scimark.small 412.91 ( 0.00)% 415.41 ( 0.61)% 421.17 ( 2.00)% > serial 204.23 ( 0.00)% 213.46 ( 4.52)% 203.17 (-0.52)% > startup 36.76 ( 0.00)% 35.49 (-3.45)% 35.64 (-3.05)% > sunflow 115.34 ( 0.00)% 115.08 (-0.23)% 117.37 ( 1.76)% > xml 620.55 ( 0.00)% 619.95 (-0.10)% 620.39 (-0.03)% > > composite 211.50 ( 0.00)% 211.15 (-0.17)% 211.67 ( 0.08)% > > time idlememstat: > > 17.20user 65.16system 2:15:23elapsed 1%CPU (0avgtext+0avgdata 8476maxresident)k > 448inputs+40outputs (1major+36052minor)pagefaults 0swaps FWIW here are idle memory stats obtained during the SPECjvm2008 run: time total idle idle% testcase 1 m 179 MB 0 MB 0% 2 m 1770 MB 48 MB 2% 3 m 1777 MB 173 MB 9% compiler.compiler warmup 4 m 1750 MB 152 MB 8% compiler.compiler warmup 5 m 1751 MB 202 MB 11% compiler.compiler 6 m 1754 MB 252 MB 14% compiler.compiler 7 m 1754 MB 225 MB 12% compiler.compiler 8 m 1748 MB 126 MB 7% compiler.compiler 9 m 1752 MB 175 MB 10% compiler.sunflow warmup 10 m 1760 MB 168 MB 9% compiler.sunflow warmup 11 m 1759 MB 210 MB 11% compiler.sunflow 12 m 1762 MB 232 MB 13% compiler.sunflow 13 m 1761 MB 207 MB 11% compiler.sunflow 14 m 1775 MB 139 MB 7% compiler.sunflow 15 m 1775 MB 370 MB 20% compress warmup 16 m 1773 MB 515 MB 29% compress warmup 17 m 1770 MB 514 MB 29% compress 18 m 1761 MB 465 MB 26% compress 19 m 1750 MB 433 MB 24% compress 20 m 1772 MB 339 MB 19% compress 21 m 1794 MB 307 MB 17% crypto.aes warmup 22 m 1796 MB 325 MB 18% crypto.aes warmup 23 m 1798 MB 341 MB 19% crypto.aes 24 m 1798 MB 333 MB 18% crypto.aes 25 m 1797 MB 332 MB 18% crypto.aes 26 m 1798 MB 328 MB 18% crypto.aes 27 m 1798 MB 370 MB 20% crypto.rsa warmup 28 m 1793 MB 377 MB 21% crypto.rsa warmup 29 m 1786 MB 363 MB 20% crypto.rsa 30 m 1782 MB 360 MB 20% crypto.rsa 31 m 1781 MB 344 MB 19% crypto.rsa 32 m 1799 MB 328 MB 18% crypto.rsa 33 m 1799 MB 326 MB 18% crypto.signverify warmup 34 m 1799 MB 327 MB 18% crypto.signverify warmup 35 m 1799 MB 334 MB 18% crypto.signverify 36 m 1800 MB 339 MB 18% crypto.signverify 37 m 1800 MB 339 MB 18% crypto.signverify 38 m 1843 MB 323 MB 17% crypto.signverify 39 m 1903 MB 223 MB 11% 40 m 1951 MB 225 MB 11% 41 m 2498 MB 253 MB 10% 42 m 2561 MB 494 MB 19% derby warmup 43 m 2565 MB 527 MB 20% derby warmup 44 m 2577 MB 574 MB 22% derby 45 m 2621 MB 580 MB 22% derby 46 m 2641 MB 536 MB 20% derby 47 m 2256 MB 316 MB 14% derby 48 m 2244 MB 427 MB 19% mpegaudio warmup 49 m 2225 MB 781 MB 35% mpegaudio warmup 50 m 2179 MB 1143 MB 52% mpegaudio 51 m 2067 MB 1297 MB 62% mpegaudio 52 m 1976 MB 1186 MB 60% mpegaudio 53 m 2756 MB 1118 MB 40% mpegaudio 54 m 3810 MB 1831 MB 48% scimark.fft.large warmup 55 m 3252 MB 1108 MB 34% scimark.fft.large warmup 56 m 2550 MB 1271 MB 49% scimark.fft.large 57 m 3835 MB 1643 MB 42% scimark.fft.large 58 m 3067 MB 1138 MB 37% scimark.fft.large 59 m 2072 MB 1103 MB 53% scimark.fft.large 60 m 2183 MB 799 MB 36% scimark.fft.large 61 m 2159 MB 568 MB 26% scimark.lu.large warmup 62 m 2333 MB 320 MB 13% scimark.lu.large warmup 63 m 2411 MB 447 MB 18% scimark.lu.large warmup 64 m 2646 MB 345 MB 13% scimark.lu.large 65 m 2687 MB 499 MB 18% scimark.lu.large 66 m 2691 MB 459 MB 17% scimark.lu.large 67 m 2703 MB 641 MB 23% scimark.lu.large 68 m 2735 MB 1077 MB 39% scimark.lu.large 69 m 2735 MB 2310 MB 84% scimark.sor.large warmup 70 m 2735 MB 1704 MB 62% scimark.sor.large warmup 71 m 2735 MB 2034 MB 74% scimark.sor.large 72 m 2735 MB 2390 MB 87% scimark.sor.large 73 m 2735 MB 2417 MB 88% scimark.sor.large 74 m 2735 MB 1366 MB 49% scimark.sor.large 75 m 2735 MB 985 MB 36% scimark.sparse.large warmup 76 m 2759 MB 925 MB 33% scimark.sparse.large warmup 77 m 2759 MB 1192 MB 43% scimark.sparse.large 78 m 2703 MB 1120 MB 41% scimark.sparse.large 79 m 2679 MB 1035 MB 38% scimark.sparse.large 80 m 2679 MB 1069 MB 39% scimark.sparse.large 81 m 2162 MB 863 MB 39% scimark.sparse.large 82 m 2109 MB 677 MB 32% scimark.fft.small warmup 83 m 2172 MB 637 MB 29% scimark.fft.small warmup 84 m 2220 MB 655 MB 29% scimark.fft.small 85 m 2264 MB 658 MB 29% scimark.fft.small 86 m 2316 MB 656 MB 28% scimark.fft.small 87 m 2529 MB 630 MB 24% scimark.fft.small 88 m 2840 MB 645 MB 22% scimark.lu.small warmup 89 m 2983 MB 652 MB 21% scimark.lu.small warmup 90 m 2983 MB 652 MB 21% scimark.lu.small 91 m 2983 MB 651 MB 21% scimark.lu.small 92 m 2984 MB 651 MB 21% scimark.lu.small 93 m 2984 MB 652 MB 21% scimark.lu.small 94 m 2984 MB 2114 MB 70% scimark.sor.small warmup 95 m 2984 MB 2796 MB 93% scimark.sor.small warmup 96 m 2984 MB 2823 MB 94% scimark.sor.small 97 m 2984 MB 2848 MB 95% scimark.sor.small 98 m 2984 MB 2817 MB 94% scimark.sor.small 99 m 2984 MB 1366 MB 45% scimark.sor.small 100 m 2984 MB 664 MB 22% scimark.sparse.small warmup 101 m 2984 MB 654 MB 21% scimark.sparse.small warmup 102 m 2983 MB 663 MB 22% scimark.sparse.small 103 m 2983 MB 652 MB 21% scimark.sparse.small 104 m 2982 MB 651 MB 21% scimark.sparse.small 105 m 2981 MB 640 MB 21% scimark.sparse.small 106 m 2981 MB 2113 MB 70% scimark.monte_carlo warmup 107 m 2981 MB 2831 MB 94% scimark.monte_carlo warmup 108 m 2981 MB 2835 MB 95% scimark.monte_carlo 109 m 2981 MB 2863 MB 96% scimark.monte_carlo 110 m 2981 MB 2872 MB 96% scimark.monte_carlo 111 m 2881 MB 1179 MB 40% scimark.monte_carlo 112 m 2880 MB 777 MB 26% serial warmup 113 m 2882 MB 1063 MB 36% serial warmup 114 m 2880 MB 1066 MB 37% serial 115 m 2880 MB 1064 MB 36% serial 116 m 2882 MB 1064 MB 36% serial 117 m 2887 MB 1042 MB 36% serial 118 m 2886 MB 1118 MB 38% sunflow warmup 119 m 2887 MB 1161 MB 40% sunflow warmup 120 m 2887 MB 1166 MB 40% sunflow 121 m 2887 MB 1170 MB 40% sunflow 122 m 2886 MB 1172 MB 40% sunflow 123 m 2896 MB 1159 MB 40% sunflow 124 m 2906 MB 1132 MB 38% xml.transform warmup 125 m 2907 MB 1136 MB 39% xml.transform warmup 126 m 2907 MB 1137 MB 39% xml.transform 127 m 2907 MB 1137 MB 39% xml.transform 128 m 2907 MB 1134 MB 39% xml.transform 129 m 2907 MB 1120 MB 38% xml.transform 130 m 2895 MB 917 MB 31% xml.validation warmup 131 m 2894 MB 706 MB 24% xml.validation warmup 132 m 2903 MB 529 MB 18% xml.validation 133 m 2907 MB 883 MB 30% xml.validation 134 m 2894 MB 1013 MB 35% xml.validation 135 m 2907 MB 853 MB 29% xml.validation -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to 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