diff for duplicates of <20170809025902.GA17616@yexl-desktop> diff --git a/a/1.txt b/N1/1.txt index 66cac03..aa74f01 100644 --- a/a/1.txt +++ b/N1/1.txt @@ -101,9 +101,3 @@ From 83012114c9cd9304f0d55d899bb4b9329d0e22ac Mon Sep 17 00:00:00 2001 >-- >2.7.4 > - --- -To unsubscribe, send a message with 'unsubscribe linux-mm' in -the body to majordomo@kvack.org. For more info on Linux MM, -see: http://www.linux-mm.org/ . -Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a> diff --git a/a/content_digest b/N1/content_digest index fc2d9ca..7d154fe 100644 --- a/a/content_digest +++ b/N1/content_digest @@ -126,12 +126,6 @@ "> /*\n" ">-- \n" ">2.7.4\n" - ">\n" - "\n" - "--\n" - "To unsubscribe, send a message with 'unsubscribe linux-mm' in\n" - "the body to majordomo@kvack.org. For more info on Linux MM,\n" - "see: http://www.linux-mm.org/ .\n" - "Don't email: <a href=mailto:\"dont@kvack.org\"> email@kvack.org </a>" + > -c0df055515abb32a5a0265d56d69aca5f39dfe031d898e1047bc92887385c04a +8dfab77cf63ed4603da47cf8f2e671ed179a06e961ce8a342d0e75ff3d702fa7
diff --git a/a/1.txt b/N2/1.txt index 66cac03..7f68dee 100644 --- a/a/1.txt +++ b/N2/1.txt @@ -72,7 +72,7 @@ Thanks, Xiaolong -From 83012114c9cd9304f0d55d899bb4b9329d0e22ac Mon Sep 17 00:00:00 2001 +>From 83012114c9cd9304f0d55d899bb4b9329d0e22ac Mon Sep 17 00:00:00 2001 >From: Minchan Kim <minchan@kernel.org> >Date: Tue, 8 Aug 2017 17:05:19 +0900 >Subject: [PATCH] mm: decrease tlb flush pending count in tlb_finish_mmu @@ -101,9 +101,3 @@ From 83012114c9cd9304f0d55d899bb4b9329d0e22ac Mon Sep 17 00:00:00 2001 >-- >2.7.4 > - --- -To unsubscribe, send a message with 'unsubscribe linux-mm' in -the body to majordomo@kvack.org. For more info on Linux MM, -see: http://www.linux-mm.org/ . -Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a> diff --git a/a/content_digest b/N2/content_digest index fc2d9ca..7686d2c 100644 --- a/a/content_digest +++ b/N2/content_digest @@ -1,28 +1,9 @@ - "ref\020170802000818.4760-7-namit@vmware.com\0" - "ref\020170808011923.GE25554@yexl-desktop\0" - "ref\020170808022830.GA28570@bbox\0" - "ref\093CA4B47-95C2-43A2-8E92-B142CAB1DAF7@gmail.com\0" - "ref\0970B5DC5-BFC2-461E-AC46-F71B3691D301@gmail.com\0" "ref\020170808080821.GA31730@bbox\0" "From\0Ye Xiaolong <xiaolong.ye@intel.com>\0" - "Subject\0Re: [lkp-robot] [mm] 7674270022: will-it-scale.per_process_ops -19.3% regression\0" - "Date\0Wed, 9 Aug 2017 10:59:02 +0800\0" - "To\0Minchan Kim <minchan@kernel.org>\0" - "Cc\0Nadav Amit <nadav.amit@gmail.com>" - open list:MEMORY MANAGEMENT <linux-mm@kvack.org> - LKML <linux-kernel@vger.kernel.org> - Andrew Morton <akpm@linux-foundation.org> - Ingo Molnar <mingo@redhat.com> - Russell King <linux@armlinux.org.uk> - Tony Luck <tony.luck@intel.com> - Martin Schwidefsky <schwidefsky@de.ibm.com> - David S. Miller <davem@davemloft.net> - Heiko Carstens <heiko.carstens@de.ibm.com> - Yoshinori Sato <ysato@users.sourceforge.jp> - Jeff Dike <jdike@addtoit.com> - linux-arch@vger.kernel.org - " lkp@01.org\0" - "\00:1\0" + "Subject\0Re: [lkp-robot] [mm] 7674270022: will-it-scale.per_process_ops -19.3% regression\0" + "Date\0Wed, 09 Aug 2017 10:59:02 +0800\0" + "To\0lkp@lists.01.org\0" + "\01:1\0" "b\0" "On 08/08, Minchan Kim wrote:\n" ">On Mon, Aug 07, 2017 at 10:51:00PM -0700, Nadav Amit wrote:\n" @@ -98,7 +79,7 @@ "Xiaolong\n" "\n" "\n" - "From 83012114c9cd9304f0d55d899bb4b9329d0e22ac Mon Sep 17 00:00:00 2001\n" + ">From 83012114c9cd9304f0d55d899bb4b9329d0e22ac Mon Sep 17 00:00:00 2001\n" ">From: Minchan Kim <minchan@kernel.org>\n" ">Date: Tue, 8 Aug 2017 17:05:19 +0900\n" ">Subject: [PATCH] mm: decrease tlb flush pending count in tlb_finish_mmu\n" @@ -126,12 +107,6 @@ "> /*\n" ">-- \n" ">2.7.4\n" - ">\n" - "\n" - "--\n" - "To unsubscribe, send a message with 'unsubscribe linux-mm' in\n" - "the body to majordomo@kvack.org. For more info on Linux MM,\n" - "see: http://www.linux-mm.org/ .\n" - "Don't email: <a href=mailto:\"dont@kvack.org\"> email@kvack.org </a>" + > -c0df055515abb32a5a0265d56d69aca5f39dfe031d898e1047bc92887385c04a +637da6ea462eb13f703bb9f1a9392fcb11f42f20ae259b43d3f43bbd1b56e83b
diff --git a/a/1.txt b/N3/1.txt index 66cac03..9707cb3 100644 --- a/a/1.txt +++ b/N3/1.txt @@ -35,13 +35,13 @@ On 08/08, Minchan Kim wrote: >> >> threads? >> > >> > According to the description it is "testcase:brk increase/decrease of one ->> > page”. According to the mode it spawns multiple processes, not threads. +>> > pagea??. According to the mode it spawns multiple processes, not threads. >> > >> > Since a single page is unmapped each time, and the iTLB-loads increase >> > dramatically, I would suspect that for some reason a full TLB flush is >> > caused during do_munmap(). >> > ->> > If I find some free time, I’ll try to profile the workload - but feel free +>> > If I find some free time, Ia??ll try to profile the workload - but feel free >> > to beat me to it. >> >> The root-cause appears to be that tlb_finish_mmu() does not call @@ -63,16 +63,16 @@ performance back. %stddev change %stddev change %stddev \ | \ | \ 3405093 -19% 2747088 -2% 3348752 will-it-scale.per_process_ops - 1280 ± 3% -2% 1257 ± 3% -6% 1207 vmstat.system.cs - 2702 ± 18% 11% 3002 ± 19% 17% 3156 ± 18% numa-vmstat.node0.nr_mapped - 10765 ± 18% 11% 11964 ± 19% 17% 12588 ± 18% numa-meminfo.node0.Mapped - 0.00 ± 47% -40% 0.00 ± 45% -84% 0.00 ± 42% mpstat.cpu.soft% + 1280 A+- 3% -2% 1257 A+- 3% -6% 1207 vmstat.system.cs + 2702 A+- 18% 11% 3002 A+- 19% 17% 3156 A+- 18% numa-vmstat.node0.nr_mapped + 10765 A+- 18% 11% 11964 A+- 19% 17% 12588 A+- 18% numa-meminfo.node0.Mapped + 0.00 A+- 47% -40% 0.00 A+- 45% -84% 0.00 A+- 42% mpstat.cpu.soft% Thanks, Xiaolong -From 83012114c9cd9304f0d55d899bb4b9329d0e22ac Mon Sep 17 00:00:00 2001 +>From 83012114c9cd9304f0d55d899bb4b9329d0e22ac Mon Sep 17 00:00:00 2001 >From: Minchan Kim <minchan@kernel.org> >Date: Tue, 8 Aug 2017 17:05:19 +0900 >Subject: [PATCH] mm: decrease tlb flush pending count in tlb_finish_mmu diff --git a/a/content_digest b/N3/content_digest index fc2d9ca..1492b4d 100644 --- a/a/content_digest +++ b/N3/content_digest @@ -61,13 +61,13 @@ ">> >> threads?\n" ">> > \n" ">> > According to the description it is \"testcase:brk increase/decrease of one\n" - ">> > page\342\200\235. According to the mode it spawns multiple processes, not threads.\n" + ">> > pagea??. According to the mode it spawns multiple processes, not threads.\n" ">> > \n" ">> > Since a single page is unmapped each time, and the iTLB-loads increase\n" ">> > dramatically, I would suspect that for some reason a full TLB flush is\n" ">> > caused during do_munmap().\n" ">> > \n" - ">> > If I find some free time, I\342\200\231ll try to profile the workload - but feel free\n" + ">> > If I find some free time, Ia??ll try to profile the workload - but feel free\n" ">> > to beat me to it.\n" ">> \n" ">> The root-cause appears to be that tlb_finish_mmu() does not call\n" @@ -89,16 +89,16 @@ " %stddev change %stddev change %stddev\n" " \\ | \\ | \\ \n" " 3405093 -19% 2747088 -2% 3348752 will-it-scale.per_process_ops\n" - " 1280 \302\261 3% -2% 1257 \302\261 3% -6% 1207 vmstat.system.cs\n" - " 2702 \302\261 18% 11% 3002 \302\261 19% 17% 3156 \302\261 18% numa-vmstat.node0.nr_mapped\n" - " 10765 \302\261 18% 11% 11964 \302\261 19% 17% 12588 \302\261 18% numa-meminfo.node0.Mapped\n" - " 0.00 \302\261 47% -40% 0.00 \302\261 45% -84% 0.00 \302\261 42% mpstat.cpu.soft%\n" + " 1280 A+- 3% -2% 1257 A+- 3% -6% 1207 vmstat.system.cs\n" + " 2702 A+- 18% 11% 3002 A+- 19% 17% 3156 A+- 18% numa-vmstat.node0.nr_mapped\n" + " 10765 A+- 18% 11% 11964 A+- 19% 17% 12588 A+- 18% numa-meminfo.node0.Mapped\n" + " 0.00 A+- 47% -40% 0.00 A+- 45% -84% 0.00 A+- 42% mpstat.cpu.soft%\n" "\n" "Thanks,\n" "Xiaolong\n" "\n" "\n" - "From 83012114c9cd9304f0d55d899bb4b9329d0e22ac Mon Sep 17 00:00:00 2001\n" + ">From 83012114c9cd9304f0d55d899bb4b9329d0e22ac Mon Sep 17 00:00:00 2001\n" ">From: Minchan Kim <minchan@kernel.org>\n" ">Date: Tue, 8 Aug 2017 17:05:19 +0900\n" ">Subject: [PATCH] mm: decrease tlb flush pending count in tlb_finish_mmu\n" @@ -134,4 +134,4 @@ "see: http://www.linux-mm.org/ .\n" "Don't email: <a href=mailto:\"dont@kvack.org\"> email@kvack.org </a>" -c0df055515abb32a5a0265d56d69aca5f39dfe031d898e1047bc92887385c04a +905ded628d05bc6d651986261abec9195e0db41218d907909a1a82c47650b758
diff --git a/a/1.txt b/N4/1.txt index 66cac03..7f68dee 100644 --- a/a/1.txt +++ b/N4/1.txt @@ -72,7 +72,7 @@ Thanks, Xiaolong -From 83012114c9cd9304f0d55d899bb4b9329d0e22ac Mon Sep 17 00:00:00 2001 +>From 83012114c9cd9304f0d55d899bb4b9329d0e22ac Mon Sep 17 00:00:00 2001 >From: Minchan Kim <minchan@kernel.org> >Date: Tue, 8 Aug 2017 17:05:19 +0900 >Subject: [PATCH] mm: decrease tlb flush pending count in tlb_finish_mmu @@ -101,9 +101,3 @@ From 83012114c9cd9304f0d55d899bb4b9329d0e22ac Mon Sep 17 00:00:00 2001 >-- >2.7.4 > - --- -To unsubscribe, send a message with 'unsubscribe linux-mm' in -the body to majordomo@kvack.org. For more info on Linux MM, -see: http://www.linux-mm.org/ . -Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a> diff --git a/a/content_digest b/N4/content_digest index fc2d9ca..26591d4 100644 --- a/a/content_digest +++ b/N4/content_digest @@ -98,7 +98,7 @@ "Xiaolong\n" "\n" "\n" - "From 83012114c9cd9304f0d55d899bb4b9329d0e22ac Mon Sep 17 00:00:00 2001\n" + ">From 83012114c9cd9304f0d55d899bb4b9329d0e22ac Mon Sep 17 00:00:00 2001\n" ">From: Minchan Kim <minchan@kernel.org>\n" ">Date: Tue, 8 Aug 2017 17:05:19 +0900\n" ">Subject: [PATCH] mm: decrease tlb flush pending count in tlb_finish_mmu\n" @@ -126,12 +126,6 @@ "> /*\n" ">-- \n" ">2.7.4\n" - ">\n" - "\n" - "--\n" - "To unsubscribe, send a message with 'unsubscribe linux-mm' in\n" - "the body to majordomo@kvack.org. For more info on Linux MM,\n" - "see: http://www.linux-mm.org/ .\n" - "Don't email: <a href=mailto:\"dont@kvack.org\"> email@kvack.org </a>" + > -c0df055515abb32a5a0265d56d69aca5f39dfe031d898e1047bc92887385c04a +4232625df4a4a08485586732caec251d58fce58af0625dea0d828606f442da7e
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