Age | Commit message (Collapse) | Author |
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Peter Kümmel <syntheticpp@gmx.net>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Based on the following user report:
I ran into an issue where I was seeing a long delay in the scripts called
in udhcp_run_script. I was using an old version of OpenWrt (kamikaze)
and a satellite modem. An NTP script was being called and the modem
would sometimes take a long time to respond to the DNS lookup when
it was offline.
This delay started affecting my lease time. The lease that I would
get from my satellite modem before it was online would be short:
only 60 seconds. The delay with NTP and the modem would typically
be about 18 seconds. This would cause the first DHCP renew request
from dhcpc to be a little late. Under certain circumstances,
I could even see the first DHCP renew to occur after the lease
had expired!
function old new delta
udhcpc_main 2816 2837 +21
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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The --bb options now depends on LONG_OPTS. Omit mentions of --bb from usage
text when LONG_OPTS is disabled.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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The Required_argument macro is only defined when long options are enabled.
Fixes the following build error:
miscutils/nandwrite.c: In function 'nandwrite_main':
miscutils/nandwrite.c:120:10: error: expected ',' or ';' before 'Required_argument'
Reported-by: Christian Kästner <kaestner at cs.cmu.edu>
Signed-off-by: Baruch Siach <baruch at tkos.co.il>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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In vi-mode lineedit tries to detect some escape sequences.
After the ESC it reads the next character to check for certain
values. This read should have a timeout or a user-entered ESC to
switch to command mode doesn't properly handle the next character.
Signed-off-by: Ron Yorston <rmy@tigress.co.uk>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
tar_main 895 938 +43
vfork_compressor 206 191 -15
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(add/remove: 0/0 grow/shrink: 1/1 up/down: 43/-15) Total: 28 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Testcase: shell command input after python ^Z should still work
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Man entry for sendfile:
Not specified in POSIX.1-2001, or other standards.
Other UNIX systems implement sendfile() with different semantics and
prototypes. It should not be used in portable programs.
Select PLATFORM_LINUX if enabling FEATURE_USE_SENDFILE.
Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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some flash partitions can be smaller than the existing BUFSIZE thus write
BUFSIZE will fail with "no space left on device"
Signed-off-by: Jacob Kjaergaard <jacob.kjaergaard@prevas.dk>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Compat with xmalloc_open_read_close
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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The performance and number of processes for a "depmod -a" with gzipped
modules was abysmal. This patch adds a code path without fork,
benefiting all users of xmalloc_open_zipped_read_close.
"modinfo radeon.ko.gz", a single-file reader, got 30% faster.
"depmod -a", which used to fork over 800 times, got 20% faster.
Heavily based on a patch by Lauri Kasanen <curaga@operamail.com>
function old new delta
setup_transformer_on_fd - 159 +159
transformer_write - 122 +122
fork_transformer - 112 +112
xmalloc_open_zipped_read_close 63 118 +55
read_bunzip 1866 1896 +30
xtransformer_write - 19 +19
unzip_main 2449 2462 +13
bbunpack 755 766 +11
unpack_lzma_stream 2717 2723 +6
unpack_xz_stream 2393 2397 +4
unpack_Z_stream 1173 1175 +2
inflate_unzip 111 105 -6
check_signature16 70 63 -7
unpack_bz2_stream 359 349 -10
unpack_unxz 12 - -12
unpack_unlzma 12 - -12
unpack_uncompress 12 - -12
unpack_gunzip 12 - -12
unpack_bunzip2 12 - -12
open_transformer 106 92 -14
inflate_unzip_internal 1945 1916 -29
unpack_gz_stream 693 655 -38
open_zipped 89 47 -42
setup_unzip_on_fd 142 53 -89
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(add/remove: 4/5 grow/shrink: 7/8 up/down: 533/-295) Total: 238 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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No code changes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Busybox already uses sendfile in httpd. This patch proposes to use it
globally to copy data between file descriptors.
It speeds up the copying on slow systems a lot - below are the times needed
to copy a 450Mb file with and without this option enabled on a BeagleBone
Black:
sendfile:
user 0m0.000s
sys 0m8.170s
read/write 4k:
user 0m0.470s
sys 0m16.300s
function old new delta
bb_full_fd_action 394 474 +80
Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
add_MANPATH - 143 +143
man_main 852 731 -121
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(add/remove: 1/0 grow/shrink: 0/1 up/down: 143/-121) Total: 22 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Sometimes ARG_MAX is small (like 32k) yet sysconf(_SC_ARG_MAX)
is big, and people prefer using the bigger value.
OTOH, with sufficiently large ARG_MAX, further wins from
sysconf(_SC_ARG_MAX) being bigger are exponentially smaller:
you can see 4 times fewer fork+execs when you run find, but
when each execed process already takes a thousand parameters
it's likely execution time is dominated by what that process
does with each parameter.
Thus, with this change ARG_MAX is used if it's sufficiently big,
otherwise sysconf(_SC_ARG_MAX) is used.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Bartosz Golaszewski <bartekgola at gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
read_leases 269 328 +59
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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this is racy wrt various libc functions such as syslog()
function old new delta
check_delayed_sigs 182 352 +170
init_main 772 728 -44
restart_handler 74 - -74
halt_reboot_pwoff 79 - -79
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(add/remove: 0/2 grow/shrink: 1/1 up/down: 170/-197) Total: -27 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
add_probe 86 113 +27
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
subevalvar 1140 1168 +28
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
print_route 1797 1865 +68
do_iproute 2097 2112 +15
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(add/remove: 0/0 grow/shrink: 2/0 up/down: 83/0) Total: 83 bytes
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
bb_logenv_override - 70 +70
packed_usage 29969 30033 +64
zcip_main 1426 1431 +5
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(add/remove: 2/0 grow/shrink: 2/0 up/down: 139/0) Total: 139 bytes
Signed-off-by: Michel Stam <m.stam@fugro.nl>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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169.254 may already be used by a local network. This patch allows
specifying your own IP range.
Our particular use case is a mesh network, in which the nodes partaking
were using an IP range specifically assigned for the meshing purpose.
As the LAN side of the mesh node could use 169.254, this default range
was not an option.
function old new delta
zcip_main 1342 1426 +84
pick_nip - 40 +40
packed_usage 29974 29969 -5
pick 34 - -34
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(add/remove: 1/1 grow/shrink: 1/1 up/down: 124/-39) Total: 85 bytes
Signed-off-by: Michel Stam <m.stam@fugro.nl>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Some clients have a very short timeout for sending the DHCP
DISCOVER, shorter than the arpping timeout of 2000 milliseconds
that udhcpd uses by default.
This patch allows tweaking the timeout, or disabling of arpping
altogether, at the risk of handing out addresses which are
already in use.
function old new delta
udhcpd_main 1460 1501 +41
udhcpc_main 2814 2851 +37
packed_usage 29957 29974 +17
arpping 477 493 +16
find_free_or_expired_nip 161 174 +13
send_offer 285 292 +7
nobody_responds_to_arp 85 89 +4
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(add/remove: 0/0 grow/shrink: 7/0 up/down: 135/0) Total: 135 bytes
Signed-off-by: Michel Stam <m.stam@fugro.nl>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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The offset to jitter ratio is now calculated before updating
jitter to make the test more sensitive.
function old new delta
ntp_init 460 474 +14
update_local_clock 752 764 +12
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(add/remove: 0/0 grow/shrink: 2/0 up/down: 26/0) Total: 26 bytes
Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
sed_main 643 676 +33
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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To avoid polling servers frequently slowly increase the interval up
to BIGPOLL when
- no replies are received from a peer
- no source can be selected
- peer claims to be unsynchronized (e.g. we are polling it too
frequently)
When recv() returns with an error, drop code to try to continue
on network errors: I'm not convinced those cases happen in real life.
function old new delta
recv_and_process_peer_pkt 919 838 -81
Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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* on step, poll interval drops to 8.5 mins instead of 32 seconds
* on total loss of all replies (no replies from any peer
for last 8 requests), also drop poll interval to 8.5 mins
instead of 32 seconds
* on send abd recv errors, RETRY_INTERVAL is now 32 seconds,
not 5 seconds
* on timing out listening to reply, instead of unconditional
shortening poll interval by x4, clamp it to NOREPLY_INTERVAL
(512 seconds)
* if a largish offset is seen, clamp nexp poll interval
to 128 seconds, not 64 seconds
function old new delta
clamp_pollexp_and_set_MAXSTRAT - 37 +37
recv_and_process_peer_pkt 861 869 +8
poll_interval 52 48 -4
update_local_clock 762 752 -10
ntpd_main 1063 1050 -13
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(add/remove: 1/0 grow/shrink: 1/3 up/down: 45/-27) Total: 18 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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The burst mode needs to be stopped even when no replies are received.
Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Some packages want to install themselves using "-t" to specify
the directory (as supported by GNU coreutils). Add support for the option
for compatibility reasons.
function old new delta
install_longopts 76 95 +19
install_main 769 777 +8
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(add/remove: 0/0 grow/shrink: 2/0 up/down: 27/0) Total: 27 bytes
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
buffer_print 71 104 +33
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
read_lines 715 695 -20
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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This makes "G" (goto end of input) command work as well as
/search_for_nonexistent_string: both will read to EOF now
even from somewhat slow input (such as kernel's "git log").
function old new delta
ndelay_on 35 43 +8
ndelay_off 35 43 +8
read_lines 695 691 -4
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(add/remove: 0/0 grow/shrink: 2/1 up/down: 16/-4) Total: 12 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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It is buggy wrt another use case...
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Ari Sundholm <ari@tuxera.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
run_applet_no_and_exit 447 445 -2
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
df_main 863 998 +135
packed_usage 29827 29861 +34
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(add/remove: 0/0 grow/shrink: 2/0 up/down: 169/0) Total: 169 bytes
Signed-off-by: Ari Sundholm <ari@tuxera.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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