Date: Thu, 17 Jun 2021 02:01:05 GMT From: Warner Losh <imp@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 0a99422970d7 - main - Move mips and arm to 1000Hz by default. Message-ID: <202106170201.15H215Z6078742@gitrepo.freebsd.org>
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The branch main has been updated by imp: URL: https://cgit.FreeBSD.org/src/commit/?id=0a99422970d7fbdb1e17724339a8dc37082f3431 commit 0a99422970d7fbdb1e17724339a8dc37082f3431 Author: Warner Losh <imp@FreeBSD.org> AuthorDate: 2021-06-17 02:00:14 +0000 Commit: Warner Losh <imp@FreeBSD.org> CommitDate: 2021-06-17 02:00:14 +0000 Move mips and arm to 1000Hz by default. armv6 and armv7 systems already were 1000Hz. The other armv5 were a mix of 100 and 1000. This changes them to 1000. Should there be issues, we can add options HZ=100 to the systems that have bad performance at the drop of a hat. mips is a lot more complicated. But most of the systems are already 1000HZ. The hardware exceptions are all fast enough to run at 1000Hz. MALTA is our primary emulator, and history has shown emulators tend to like 100Hz better, so run those systems at 100Hz. As with arm, any system that shows a huge performance regression can reverted to 100Hz easily. This was going to be committed well in advance of the 13 branch, but it was delayed and forgotten til now. Discussed on: #bsdmips ages ago Sponsored by: Netflix --- sys/kern/subr_param.c | 6 +----- sys/mips/conf/AR71XX_BASE | 1 - sys/mips/conf/PB92 | 1 - sys/mips/conf/QCA953X_BASE | 1 - sys/mips/conf/std.AR5312 | 1 - sys/mips/conf/std.AR5315 | 1 - sys/mips/conf/std.AR724X | 1 - sys/mips/conf/std.AR91XX | 1 - sys/mips/conf/std.AR933X | 1 - sys/mips/conf/std.AR934X | 1 - sys/mips/conf/std.MALTA | 1 + sys/mips/conf/std.QCA955X | 1 - sys/mips/conf/std.XLP | 1 - 13 files changed, 2 insertions(+), 16 deletions(-) diff --git a/sys/kern/subr_param.c b/sys/kern/subr_param.c index 39ec48a32cb3..bac028bd8e25 100644 --- a/sys/kern/subr_param.c +++ b/sys/kern/subr_param.c @@ -63,11 +63,7 @@ __FBSDID("$FreeBSD$"); */ #ifndef HZ -# if defined(__mips__) || defined(__arm__) -# define HZ 100 -# else -# define HZ 1000 -# endif +# define HZ 1000 # ifndef HZ_VM # define HZ_VM 100 # endif diff --git a/sys/mips/conf/AR71XX_BASE b/sys/mips/conf/AR71XX_BASE index 6ce21dc58857..2d6e834c8ef9 100644 --- a/sys/mips/conf/AR71XX_BASE +++ b/sys/mips/conf/AR71XX_BASE @@ -11,7 +11,6 @@ machine mips mips ident AR71XX_BASE cpu CPU_MIPS24K makeoptions KERNLOADADDR=0x80050000 -options HZ=1000 options HWPMC_HOOKS files "../atheros/files.ar71xx" diff --git a/sys/mips/conf/PB92 b/sys/mips/conf/PB92 index 64a0e6db120b..30c134ef1e74 100644 --- a/sys/mips/conf/PB92 +++ b/sys/mips/conf/PB92 @@ -8,7 +8,6 @@ ident PB92 # XXX The default load address in the Uboot environment is 0x80010000 makeoptions KERNLOADADDR=0x80050000 -options HZ=1000 # The PB92 has 32mb of RAM; hard-code that options AR71XX_REALMEM=32*1024*1024 diff --git a/sys/mips/conf/QCA953X_BASE b/sys/mips/conf/QCA953X_BASE index ef5d3d71e255..b8dac404f30e 100644 --- a/sys/mips/conf/QCA953X_BASE +++ b/sys/mips/conf/QCA953X_BASE @@ -14,7 +14,6 @@ machine mips mips ident QCA953X_BASE cpu CPU_MIPS24K makeoptions KERNLOADADDR=0x80050000 -options HZ=1000 files "../atheros/files.ar71xx" hints "QCA953X_BASE.hints" diff --git a/sys/mips/conf/std.AR5312 b/sys/mips/conf/std.AR5312 index 56a45cb4c869..d57eea069e3f 100644 --- a/sys/mips/conf/std.AR5312 +++ b/sys/mips/conf/std.AR5312 @@ -10,7 +10,6 @@ machine mips mips #ident AR5312_BASE cpu CPU_MIPS4KC makeoptions KERNLOADADDR=0x80050000 -options HZ=1000 makeoptions MODULES_OVERRIDE="" diff --git a/sys/mips/conf/std.AR5315 b/sys/mips/conf/std.AR5315 index 74a888c32f85..77b81bffb1fb 100644 --- a/sys/mips/conf/std.AR5315 +++ b/sys/mips/conf/std.AR5315 @@ -10,7 +10,6 @@ machine mips mips #ident AR5315_BASE cpu CPU_MIPS4KC makeoptions KERNLOADADDR=0x80050000 -options HZ=1000 makeoptions MODULES_OVERRIDE="" diff --git a/sys/mips/conf/std.AR724X b/sys/mips/conf/std.AR724X index 3201d2f2e4bc..a03070899855 100644 --- a/sys/mips/conf/std.AR724X +++ b/sys/mips/conf/std.AR724X @@ -12,7 +12,6 @@ machine mips mips #ident AR724X_BASE cpu CPU_MIPS24K makeoptions KERNLOADADDR=0x80050000 -options HZ=1000 options HWPMC_HOOKS files "../atheros/files.ar71xx" diff --git a/sys/mips/conf/std.AR91XX b/sys/mips/conf/std.AR91XX index c1dee4e7a5d0..88f05ca3b860 100644 --- a/sys/mips/conf/std.AR91XX +++ b/sys/mips/conf/std.AR91XX @@ -14,7 +14,6 @@ machine mips mips #ident std.AR91XX cpu CPU_MIPS24K makeoptions KERNLOADADDR=0x80050000 -options HZ=1000 files "../atheros/files.ar71xx" hints "AR91XX_BASE.hints" diff --git a/sys/mips/conf/std.AR933X b/sys/mips/conf/std.AR933X index 832e1db3c958..ddcd4a1824dd 100644 --- a/sys/mips/conf/std.AR933X +++ b/sys/mips/conf/std.AR933X @@ -14,7 +14,6 @@ machine mips mips #ident std.AR933X cpu CPU_MIPS24K makeoptions KERNLOADADDR=0x80050000 -options HZ=1000 files "../atheros/files.ar71xx" hints "AR933X_BASE.hints" diff --git a/sys/mips/conf/std.AR934X b/sys/mips/conf/std.AR934X index a4e072c1ea1e..72b0ca137c98 100644 --- a/sys/mips/conf/std.AR934X +++ b/sys/mips/conf/std.AR934X @@ -14,7 +14,6 @@ machine mips mips #ident std.AR934X cpu CPU_MIPS74K makeoptions KERNLOADADDR=0x80050000 -options HZ=1000 files "../atheros/files.ar71xx" hints "AR934X_BASE.hints" diff --git a/sys/mips/conf/std.MALTA b/sys/mips/conf/std.MALTA index 7b951b926824..4f7812fa7c72 100644 --- a/sys/mips/conf/std.MALTA +++ b/sys/mips/conf/std.MALTA @@ -15,6 +15,7 @@ makeoptions DEBUG=-g #Build kernel with gdb(1) debug symbols options DDB options KDB +options HZ=100 options SCHED_4BSD #4BSD scheduler options INET #InterNETworking diff --git a/sys/mips/conf/std.QCA955X b/sys/mips/conf/std.QCA955X index 8200c79250e1..843da55a31f2 100644 --- a/sys/mips/conf/std.QCA955X +++ b/sys/mips/conf/std.QCA955X @@ -15,7 +15,6 @@ machine mips mips #ident std.QCA955X cpu CPU_MIPS74K makeoptions KERNLOADADDR=0x80050000 -options HZ=1000 files "../atheros/files.ar71xx" hints "QCA955X_BASE.hints" diff --git a/sys/mips/conf/std.XLP b/sys/mips/conf/std.XLP index ea6216dfcc6c..979791c74a58 100644 --- a/sys/mips/conf/std.XLP +++ b/sys/mips/conf/std.XLP @@ -35,7 +35,6 @@ options MD_ROOT # MD is a potential root device options MD_ROOT_SIZE=132000 options ROOTDEVNAME=\"ufs:md0\" options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions -options HZ=1000 options NO_SWAPPING # Debugging options
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