From: Cedric Le Goater <clg-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
To: Pavel Emelyanov <xemul-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
Cc: Linux Containers <containers-qjLDD68F18O7TbgM5vRIOg@public.gmane.org>
Subject: Re: Kernel text size with the pid namespaces fixes
Date: Tue, 25 Sep 2007 14:48:01 +0200 [thread overview]
Message-ID: <46F90381.4040304@fr.ibm.com> (raw)
In-Reply-To: <46F8EA61.9030707-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
Hello Pavel !
Pavel Emelyanov wrote:
> Hi, Suka
>
> I have posted tree patches with un-inlining of some macros
> and static inline calls that are expanded into another call.
>
> At my i386 notebook this saved about half-a-kilo from the
> vmlinux. Could you please check these patches at your
> boxes/configs to see how much progress we have here.
>
> Here's the combined patch for 2.6.24-rc8-mm1
on my qemu configuration, scripts/bloat-o-meter gave the following
results.
it would be interesting to run some micro benchmark. Did you have
time to do that ?
Thanks,
C.
add/remove: 9/0 grow/shrink: 3/47 up/down: 194/-683 (-489)
function old new delta
find_task_by_vpid - 29 +29
find_vpid - 25 +25
task_tgid_nr_ns - 22 +22
task_session_nr_ns - 22 +22
task_pgrp_nr_ns - 22 +22
find_task_by_pid - 19 +19
task_pid_nr_ns - 16 +16
find_task_by_pid_ns - 16 +16
find_pid - 15 +15
proc_task_readdir 762 766 +4
msg_exit_ns 117 119 +2
_request_firmware 688 690 +2
nfs_readpage_truncate_uninitialised_page 298 297 -1
sys_swapoff 1898 1896 -2
set_get_cmap 332 330 -2
__iovec_copy_from_user_inatomic 88 86 -2
proc_pid_readdir 438 434 -4
init_pit_clocksource 82 78 -4
do_notify_parent_cldstop 297 293 -4
do_notify_parent 394 390 -4
kill_proc 39 34 -5
sys_timer_create 720 713 -7
do_setlink 796 789 -7
debug_rt_mutex_print_deadlock 406 399 -7
check_clock 122 115 -7
rest_init 78 69 -9
posix_cpu_clock_get 221 212 -9
__set_special_pids 154 144 -10
vma_adjust 855 844 -11
tty_ioctl 3274 3263 -11
kthreadd 248 237 -11
sys_kill 313 301 -12
sys_capget 285 273 -12
sys_getsid 128 114 -14
sys_getpgid 128 114 -14
posix_cpu_timer_create 240 226 -14
kill_proc_info 45 31 -14
find_get_pid 31 16 -15
sys_sched_getscheduler 92 76 -16
sys_sched_getparam 143 127 -16
sys_get_robust_list 149 133 -16
sched_setaffinity 259 243 -16
sched_getaffinity 114 98 -16
ptrace_get_task_struct 90 74 -16
futex_lock_pi 2435 2419 -16
f_setown 68 52 -16
do_tkill 280 264 -16
do_sched_setscheduler 113 97 -16
sys_sched_rr_get_interval 161 141 -20
sys_capset 702 681 -21
eligible_child 215 191 -24
do_task_stat 2135 2107 -28
sys_setpriority 446 416 -30
sys_setpgid 419 389 -30
sys_ioprio_set 471 441 -30
sys_ioprio_get 388 358 -30
sys_getpriority 439 409 -30
proc_pid_status 1216 1186 -30
do_wait 2677 2639 -38
next prev parent reply other threads:[~2007-09-25 12:48 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-25 11:00 Kernel text size with the pid namespaces fixes Pavel Emelyanov
[not found] ` <46F8EA61.9030707-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2007-09-25 12:48 ` Cedric Le Goater [this message]
[not found] ` <46F90381.4040304-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
2007-09-25 14:28 ` Pavel Emelyanov
2007-09-25 14:32 ` Pavel Emelyanov
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