* Does parallel make work for modules?
@ 2004-06-22 22:08 H. J. Lu
2004-06-22 22:27 ` Keith Owens
2004-06-22 23:09 ` Jeff Garzik
0 siblings, 2 replies; 3+ messages in thread
From: H. J. Lu @ 2004-06-22 22:08 UTC (permalink / raw)
To: linux kernel; +Cc: linux ia64 kernel
When building 2.6.7 on a 4way Linux/ia64, "make -j4 modules" doesn't
spawn 4 jobs. I got
5756 pts/0 S 0:00 make -s -j4 modules
5868 pts/0 S 0:00 make -f scripts/Makefile.build obj=fs
7240 pts/0 S 0:00 make -f scripts/Makefile.build obj=fs/nfs
7269 pts/0 S 0:00 /bin/sh -c set -e; ? gcc -Wp,-MD,fs/nfs/.pagelist.o.
7270 pts/0 S 0:00 gcc -Wp,-MD,fs/nfs/.pagelist.o.d -nostdinc -iwithprefi
7271 pts/0 S 0:00 /usr/gcc-3.4/libexec/gcc/ia64-unknown-linux-gnu/3.4.1/
7272 pts/0 R 0:00 as -x -o fs/nfs/pagelist.o -
2.4 kernel module build work fine. Any ideas?
H.J.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Does parallel make work for modules?
2004-06-22 22:08 Does parallel make work for modules? H. J. Lu
@ 2004-06-22 22:27 ` Keith Owens
2004-06-22 23:09 ` Jeff Garzik
1 sibling, 0 replies; 3+ messages in thread
From: Keith Owens @ 2004-06-22 22:27 UTC (permalink / raw)
To: H. J. Lu; +Cc: linux kernel, linux ia64 kernel
On Tue, 22 Jun 2004 15:08:13 -0700,
"H. J. Lu" <hjl@lucon.org> wrote:
>When building 2.6.7 on a 4way Linux/ia64, "make -j4 modules" doesn't
>spawn 4 jobs. I got
>
> 5756 pts/0 S 0:00 make -s -j4 modules
> 5868 pts/0 S 0:00 make -f scripts/Makefile.build obj=fs
> 7240 pts/0 S 0:00 make -f scripts/Makefile.build obj=fs/nfs
> 7269 pts/0 S 0:00 /bin/sh -c set -e; ? gcc -Wp,-MD,fs/nfs/.pagelist.o.
> 7270 pts/0 S 0:00 gcc -Wp,-MD,fs/nfs/.pagelist.o.d -nostdinc -iwithprefi
> 7271 pts/0 S 0:00 /usr/gcc-3.4/libexec/gcc/ia64-unknown-linux-gnu/3.4.1/
> 7272 pts/0 R 0:00 as -x -o fs/nfs/pagelist.o -
>
>2.4 kernel module build work fine. Any ideas?
Works for me, GNU Make version 3.79.1 building 2.6.7 on ia64. make -j8
modules gives a pstree of
bash(2475)---make(29483)-+-make(29806)---make(30111)---make(30112)---sh(30113)---gcc(30114)-+-as(30116)
| `-cc1(30115)
`-make(29857)-+-make(29938)---sh(30153)---gcc(30154)-+-as(30156)
| `-cc1(30155)
|-make(30103)-+-sh(30104)---gcc(30105)-+-as(30107)
| | `-cc1(30106)
| `-sh(30146)---gcc(30147)-+-as(30149)
| `-cc1(30148)
`-make(30130)---sh(30131)---gcc(30132)-+-as(30134)
`-cc1(30133)
Not the full blown 8 way that I asked for, but that is an artifact of
using recursive make instead of a single top level Makefile with all
the dependencies.
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: Does parallel make work for modules?
2004-06-22 22:08 Does parallel make work for modules? H. J. Lu
2004-06-22 22:27 ` Keith Owens
@ 2004-06-22 23:09 ` Jeff Garzik
1 sibling, 0 replies; 3+ messages in thread
From: Jeff Garzik @ 2004-06-22 23:09 UTC (permalink / raw)
To: H. J. Lu; +Cc: linux kernel, linux ia64 kernel
H. J. Lu wrote:
> When building 2.6.7 on a 4way Linux/ia64, "make -j4 modules" doesn't
> spawn 4 jobs. I got
BTW, you don't need to bother with a separate 'make modules' step anymore.
'make -jN' should build everything, including the default boot image for
your architecture.
Jeff
^ permalink raw reply [flat|nested] 3+ messages in thread
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