From: ori@eigenstate.org
To: 9front@9front.org
Subject: Re: [9front] [PATCH] kernel: make conf.nproc configurable. all kernels now default to 100 + ((conf.npage*BY2PG)/MB)*5
Date: Sun, 13 Jun 2021 21:55:25 -0400 [thread overview]
Message-ID: <3B7CD4D57FAF1705F3A5E6363CAADE67@eigenstate.org> (raw)
In-Reply-To: <A42F231F7A0292D1DF88D1BCA49A8909@biobuf.link>
idea makes sense, but while you're
in here, it's probably a good idea
to move the code to port/.
Quoth james palmer <james@biobuf.link>:
> ---
> diff 9eb2b302e6240695960f5ce37c68e40a96da44d6 56656a7ac6aac082b65d77cf0a0e4bc492ddcd2c
> --- a/sys/src/9/bcm/main.c Mon Jun 7 09:39:21 2021
> +++ b/sys/src/9/bcm/main.c Mon Jun 7 10:01:32 2021
> @@ -219,11 +219,12 @@
> conf.nmach = getncpus();
>
> /* set up other configuration parameters */
> - conf.nproc = 100 + ((conf.npage*BY2PG)/MB)*5;
> - if(cpuserver)
> - conf.nproc *= 3;
> - if(conf.nproc > 2000)
> - conf.nproc = 2000;
> + conf.nproc = 0;
> + if(p = getconf("*nproc"))
> + conf.nproc = strtoul(p, 0, 0);
> + if(conf.nproc == 0)
> + conf.nproc = 100 + ((conf.npage*BY2PG)/MB)*5;
> +
> conf.nswap = conf.npage*3;
> conf.nswppo = 4096;
> conf.nimage = 200;
> --- a/sys/src/9/bcm64/main.c Mon Jun 7 09:39:21 2021
> +++ b/sys/src/9/bcm64/main.c Mon Jun 7 10:01:32 2021
> @@ -90,11 +90,12 @@
> conf.nmach = getncpus();
>
> /* set up other configuration parameters */
> - conf.nproc = 100 + ((conf.npage*BY2PG)/MB)*5;
> - if(cpuserver)
> - conf.nproc *= 3;
> - if(conf.nproc > 2000)
> - conf.nproc = 2000;
> + conf.nproc = 0;
> + if(p = getconf("*nproc"))
> + conf.nproc = strtoul(p, 0, 0);
> + if(conf.nproc == 0)
> + conf.nproc = 100 + ((conf.npage*BY2PG)/MB)*5;
> +
> conf.nswap = conf.npage*3;
> conf.nswppo = 4096;
> conf.nimage = 200;
> --- a/sys/src/9/cycv/main.c Mon Jun 7 09:39:21 2021
> +++ b/sys/src/9/cycv/main.c Mon Jun 7 10:01:32 2021
> @@ -100,13 +100,19 @@
> {
> ulong kmem;
> int i;
> + char *p;
>
> conf.nmach = 1;
> - conf.nproc = 2000;
> conf.ialloc = 16*1024*1024;
> conf.nimage = 200;
> conf.mem[0].base = PGROUND((ulong)end - KZERO);
> conf.mem[0].npage = (1024*1024*1024 - conf.mem[0].base) >> PGSHIFT;
> +
> + conf.nproc = 0;
> + if(p = getconf("*nproc"))
> + conf.nproc = strtoul(p, 0, 0);
> + if(conf.nproc == 0)
> + conf.nproc = 100 + ((conf.npage*BY2PG)/MB)*5;
>
> ramdiskinit();
>
> --- a/sys/src/9/kw/main.c Mon Jun 7 09:39:21 2021
> +++ b/sys/src/9/kw/main.c Mon Jun 7 10:01:32 2021
> @@ -397,6 +397,7 @@
> int i;
> ulong kpages;
> uintptr pa;
> + char *p;
>
> /*
> * Copy the physical memory configuration to Conf.mem.
> @@ -430,11 +431,12 @@
> conf.nmach = 1;
>
> /* set up other configuration parameters */
> - conf.nproc = 100 + ((conf.npage*BY2PG)/MB)*5;
> - if(cpuserver)
> - conf.nproc *= 3;
> - if(conf.nproc > 2000)
> - conf.nproc = 2000;
> + conf.nproc = 0;
> + if(p = getconf("*nproc"))
> + conf.nproc = strtoul(p, 0, 0);
> + if(conf.nproc == 0)
> + conf.nproc = 100 + ((conf.npage*BY2PG)/MB)*5;
> +
> conf.nswap = conf.npage*3;
> conf.nswppo = 4096;
> conf.nimage = 200;
> --- a/sys/src/9/mtx/main.c Mon Jun 7 09:39:21 2021
> +++ b/sys/src/9/mtx/main.c Mon Jun 7 10:01:32 2021
> @@ -180,11 +180,13 @@
> conf.npage = conf.mem[0].npage;
>
> conf.nmach = 1;
> - conf.nproc = 100 + ((conf.npage*BY2PG)/MB)*5;
> - if(cpuserver)
> - conf.nproc *= 3;
> - if(conf.nproc > 2000)
> - conf.nproc = 2000;
> +
> + conf.nproc = 0;
> + if(p = getconf("*nproc"))
> + conf.nproc = strtol(p, 0, 0);
> + if(conf.nproc == 0)
> + conf.nproc = 100 + ((conf.npage*BY2PG)/MB)*5;
> +
> conf.nimage = 200;
> conf.nswap = conf.nproc*80;
> conf.nswppo = 4096;
> --- a/sys/src/9/omap/main.c Mon Jun 7 09:39:21 2021
> +++ b/sys/src/9/omap/main.c Mon Jun 7 10:01:32 2021
> @@ -449,15 +449,15 @@
> conf.nmach = 1;
>
> /* set up other configuration parameters */
> - conf.nproc = 100 + ((conf.npage*BY2PG)/MB)*5;
> - if(cpuserver)
> - conf.nproc *= 3;
> - if(conf.nproc > 2000)
> - conf.nproc = 2000;
> + conf.nproc = 0;
> + if(p = getconf("*nproc"))
> + conf.nproc = strtol(p, 0, 0);
> + if(conf.nproc == 0)
> + conf.nproc = 100 + ((conf.npage*BY2PG)/MB)*5;
> +
> conf.nswap = conf.npage*3;
> conf.nswppo = 4096;
> conf.nimage = 200;
> -
> conf.copymode = 0; /* copy on write */
>
> /*
> --- a/sys/src/9/pc/main.c Mon Jun 7 09:39:21 2021
> +++ b/sys/src/9/pc/main.c Mon Jun 7 10:01:32 2021
> @@ -155,11 +155,12 @@
> for(i=0; i<nelem(conf.mem); i++)
> conf.npage += conf.mem[i].npage;
>
> - conf.nproc = 100 + ((conf.npage*BY2PG)/MB)*5;
> - if(cpuserver)
> - conf.nproc *= 3;
> - if(conf.nproc > 2000)
> - conf.nproc = 2000;
> + conf.nproc = 0;
> + if(p = getconf("*nproc"))
> + conf.nproc = strtol(p, 0, 0);
> + if(conf.nproc == 0)
> + conf.nproc = 100 + ((conf.npage*BY2PG)/MB)*5;
> +
> conf.nimage = 200;
> conf.nswap = conf.nproc*80;
> conf.nswppo = 4096;
> --- a/sys/src/9/pc64/main.c Mon Jun 7 09:39:21 2021
> +++ b/sys/src/9/pc64/main.c Mon Jun 7 10:01:32 2021
> @@ -39,12 +39,13 @@
> conf.npage = 0;
> for(i=0; i<nelem(conf.mem); i++)
> conf.npage += conf.mem[i].npage;
> +
> + conf.nproc = 0;
> + if(p = getconf("*nproc"))
> + conf.nproc = strtol(p, 0, 0);
> + if(conf.nproc == 0)
> + conf.nproc = 100 + ((conf.npage*BY2PG)/MB)*5;
>
> - conf.nproc = 100 + ((conf.npage*BY2PG)/MB)*5;
> - if(cpuserver)
> - conf.nproc *= 3;
> - if(conf.nproc > 2000)
> - conf.nproc = 2000;
> conf.nimage = 200;
> conf.nswap = conf.nproc*80;
> conf.nswppo = 4096;
> --- a/sys/src/9/ppc/main.c Mon Jun 7 09:39:21 2021
> +++ b/sys/src/9/ppc/main.c Mon Jun 7 10:01:32 2021
> @@ -243,11 +243,13 @@
> conf.npage = conf.mem[0].npage + conf.mem[1].npage;
>
> conf.nmach = 1;
> - conf.nproc = 100 + ((conf.npage*BY2PG)/MB)*5;
> - if(cpuserver)
> - conf.nproc *= 3;
> - if(conf.nproc > 2000)
> - conf.nproc = 2000;
> +
> + conf.nproc = 0;
> + if(p = getconf("*nproc"))
> + conf.nproc = strtol(p, 0, 0);
> + if(conf.nproc == 0)
> + conf.nproc = 100 + ((conf.npage*BY2PG)/MB)*5;
> +
> conf.nimage = 200;
> conf.nswap = conf.nproc*80;
> conf.nswppo = 4096;
> --- a/sys/src/9/sgi/main.c Mon Jun 7 09:39:21 2021
> +++ b/sys/src/9/sgi/main.c Mon Jun 7 10:01:32 2021
> @@ -334,6 +334,7 @@
> confinit(void)
> {
> ulong kpages;
> + char *p;
>
> /*
> * set up CPU's mach structure
> @@ -345,7 +346,12 @@
> conf.nmach = 1;
>
> /* set up other configuration parameters */
> - conf.nproc = 2000;
> + conf.nproc = 0;
> + if(p = getconf("*nproc"))
> + conf.nproc = strtol(p, 0, 0);
> + if(conf.nproc == 0)
> + conf.nproc = 100 + ((conf.npage*BY2PG)/MB)*5;
> +
> conf.nswap = 262144;
> conf.nswppo = 4096;
> conf.nimage = 200;
> --- a/sys/src/9/teg2/main.c Mon Jun 7 09:39:21 2021
> +++ b/sys/src/9/teg2/main.c Mon Jun 7 10:01:32 2021
> @@ -647,11 +647,12 @@
> conf.ialloc = ((conf.npage-conf.upages)/2)*BY2PG;
>
> /* set up other configuration parameters */
> - conf.nproc = 100 + ((conf.npage*BY2PG)/MB)*5;
> - if(cpuserver)
> - conf.nproc *= 3;
> - if(conf.nproc > 2000)
> - conf.nproc = 2000;
> + conf.nproc = 0;
> + if(p = getconf("*nproc"))
> + conf.nproc = strtol(p, 0, 0);
> + if(conf.nproc == 0)
> + conf.nproc = 100 + ((conf.npage*BY2PG)/MB)*5;
> +
> conf.nswap = conf.npage*3;
> conf.nswppo = 4096;
> conf.nimage = 200;
> --- a/sys/src/9/xen/main.c Mon Jun 7 09:39:21 2021
> +++ b/sys/src/9/xen/main.c Mon Jun 7 10:01:32 2021
> @@ -249,11 +249,12 @@
> for(i=0; i<nelem(conf.mem); i++)
> conf.npage += conf.mem[i].npage;
>
> - conf.nproc = 100 + ((conf.npage*BY2PG)/MB)*5;
> - if(cpuserver)
> - conf.nproc *= 3;
> - if(conf.nproc > 2000)
> - conf.nproc = 2000;
> + conf.nproc = 0;
> + if(p = getconf("*nproc"))
> + conf.nproc = strtol(p, 0, 0);
> + if(conf.nproc == 0)
> + conf.nproc = 100 + ((conf.npage*BY2PG)/MB)*5;
> +
> conf.nimage = 200;
> conf.nswap = conf.nproc*80;
> conf.nswppo = 4096;
> --- a/sys/src/9/zynq/main.c Mon Jun 7 09:39:21 2021
> +++ b/sys/src/9/zynq/main.c Mon Jun 7 10:01:32 2021
> @@ -170,9 +170,16 @@
> {
> ulong kmem;
> int i;
> + char *p;
>
> conf.nmach = 1;
> - conf.nproc = 2000;
> +
> + conf.nproc = 0;
> + if(p = getconf("*nproc"))
> + conf.nproc = strtoul(p, 0, 0);
> + if(conf.nproc == 0)
> + conf.nproc = 100 + ((conf.npage*BY2PG)/MB)*5;
> +
> conf.ialloc = 16*1024*1024;
> conf.nimage = 200;
> conf.mem[0].base = PGROUND((ulong)end - KZERO);
>
next prev parent reply other threads:[~2021-06-14 2:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-07 9:01 james palmer
2021-06-14 1:55 ` ori [this message]
2021-06-14 17:18 ` cinap_lenrek
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