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path: root/procps/powertop.c
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2017-08-16*: stop using atexit in non-debug build: saves ~260 in bss with muslDenys Vlasenko
"builtin" below is atexit's 32-element global array of functions to call. function old new delta top_main 879 889 +10 launch_helper 185 193 +8 powertop_main 1555 1559 +4 sed_main 651 650 -1 slot 4 - -4 call 4 - -4 atexit 23 - -23 kill_helper 31 - -31 __funcs_on_exit 120 - -120 __cxa_atexit 168 - -168 builtin 260 - -260 ------------------------------------------------------------------------------ (add/remove: 0/8 grow/shrink: 3/1 up/down: 22/-611) Total: -589 bytes text data bss dec hex filename 912364 563 6132 919059 e0613 busybox_old 912035 563 5844 918442 e03aa busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-07-21config: deindent all help textsDenys Vlasenko
Those two spaces after tab have no effect, and always a nuisance when editing. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-07-18Update menuconfig items with approximate applet sizesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-11Move FEATURE_USE_TERMIOS config option to two applets which use itDenys Vlasenko
No code changes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-01-11libbb: consolidate the code to set termios unbuffered modeDenys Vlasenko
function old new delta set_termios_to_raw - 116 +116 count_lines 72 74 +2 powertop_main 1458 1430 -28 top_main 943 914 -29 more_main 759 714 -45 fsck_minix_main 2969 2921 -48 conspy_main 1197 1135 -62 rawmode 99 36 -63 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/6 up/down: 118/-275) Total: -157 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-10-08join some common strings, -400 bytesDenys Vlasenko
function old new delta print_intel_cstates 499 511 +12 file_insert 355 364 +9 dpkg_main 2944 2940 -4 ifenslave_main 645 640 -5 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/2 up/down: 21/-9) Total: 12 bytes text data bss dec hex filename 937564 932 17676 956172 e970c busybox_old 937164 932 17676 955772 e957c busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-10-07build system: -fno-builtin-printfDenys Vlasenko
Benefits are: drops reference to out-of-line putchar(), fixes a few cases of failed string merge. function old new delta i2cdump_main 1488 1502 +14 sha256_process_block64 423 433 +10 sendmail_main 1183 1185 +2 list_table 1114 1116 +2 i2cdetect_main 1235 1237 +2 fdisk_main 2852 2854 +2 builtin_type 119 121 +2 unicode_conv_to_printable2 325 324 -1 scan_recursive 380 378 -2 mkfs_minix_main 2687 2684 -3 buffer_fill_and_print 178 169 -9 putchar 152 - -152 ------------------------------------------------------------------------------ (add/remove: 0/2 grow/shrink: 7/4 up/down: 34/-167) Total: -133 bytes text data bss dec hex filename 937788 932 17676 956396 e97ec busybox_old 937564 932 17676 956172 e970c busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-03-12Use chomp to remove newlinesRon Yorston
function old new delta unix_do_one 548 540 -8 process_timer_stats 508 500 -8 process_irq_counts 532 524 -8 lpd_main 839 831 -8 hwclock_main 502 494 -8 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/6 up/down: 0/-50) Total: -40 bytes Signed-off-by: Ron Yorston <rmy@tigress.co.uk> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-03-12libbb: introduce and use is_prefixed_with()Denys Vlasenko
function old new delta is_prefixed_with - 18 +18 complete_username 78 77 -1 man_main 737 735 -2 fsck_device 429 427 -2 unpack_ar_archive 80 76 -4 strip_unsafe_prefix 105 101 -4 singlemount 1054 1050 -4 rtc_adjtime_is_utc 90 86 -4 resolve_mount_spec 88 84 -4 parse_one_line 1029 1025 -4 parse_conf 1460 1456 -4 may_wakeup 83 79 -4 loadkmap_main 219 215 -4 get_irqs_from_stat 103 99 -4 get_header_cpio 913 909 -4 findfs_main 79 75 -4 fbsplash_main 1230 1226 -4 load_crontab 776 771 -5 expand_vars_to_list 1151 1146 -5 date_main 881 876 -5 skip_dev_pfx 30 24 -6 make_device 2199 2193 -6 complete_cmd_dir_file 773 767 -6 run_applet_and_exit 715 708 -7 uudecode_main 321 313 -8 pwdx_main 197 189 -8 execute 568 560 -8 i2cdetect_main 1186 1176 -10 procps_scan 1242 1230 -12 procps_read_smaps 1017 1005 -12 process_module 746 734 -12 patch_main 1903 1891 -12 nfsmount 3572 3560 -12 stack_machine 126 112 -14 process_timer_stats 449 435 -14 match_fstype 111 97 -14 do_ipaddr 1344 1330 -14 open_list_and_close 359 343 -16 get_header_tar 1795 1779 -16 prepend_new_eth_table 340 323 -17 fsck_main 1811 1794 -17 find_iface_state 56 38 -18 dnsd_main 1321 1303 -18 base_device 179 158 -21 find_keyword 104 82 -22 handle_incoming_and_exit 2785 2762 -23 parse_and_put_prompt 774 746 -28 modinfo 347 317 -30 find_action 204 171 -33 update_passwd 1470 1436 -34 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 0/49 up/down: 18/-540) Total: -522 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2015-01-24trim extra newlines in help textsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-09-06Make smart_ulltoa return pointer to end (allows for code shink in callers)Denys Vlasenko
function old new delta smart_ulltoa5 405 408 +3 smart_ulltoa4 273 276 +3 list_table 1113 1114 +1 scale 36 34 -2 put_lu 55 53 -2 ulltoa6_and_space 19 14 -5 powertop_main 1470 1461 -9 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-01-14whitespace fixes. no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2013-01-04powertop: fix error messageLauri Hintsala
Application tries to use timer_stats module instead of cpufreq_stats. Error message is printed if opening of the file /proc/timer_stats fails. Signed-off-by: Lauri Hintsala <lauri.hintsala@bluegiga.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-06-20Move several applets to different install dir:Denys Vlasenko
Moved to [/usr]/sbin: addgroup, adduser, delgroup, deluser, arping, chat, ether-wake, fdformat, ifplugd, ip, ipaddr, iplink, iproute, iprule, iptunnel, killall5, readahead, rtcwake, tftpd, add-shell, remove-shell, powertop. Moved to /bin for /usr/bin: kbd_mode. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-05-13fix "variable 'foo' set but not used" warningsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-01-18mass removal of underscores from _BB_DIR_foo and _BB_SUID_fooDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-11-06powertop: code shrinkMaksym Kryzhanovskyy
function old new delta process_timer_stats 490 449 -41 Signed-off-by: Maksym Kryzhanovskyy <xmaks@email.cz> Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-11-04powertop: fix last line detection in process_timer_stats()Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-11-04powertop: replace erroneous \n with \0; make numberic conversion more robustDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-11-04powertop: code shrinkMaksym Kryzhanovskyy
function old new delta read_cstate_counts 355 360 +5 print_intel_cstates 494 499 +5 process_timer_stats 554 480 -74 process_irq_counts 765 530 -235 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/2 up/down: 10/-309) Total: -299 bytes Signed-off-by: Maksym Kryzhanovskyy <xmaks@email.cz> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-10-29powertop: build fix for !386 compilesDenys Vlasenko
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-10-28*: whitespace fixesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-10-27whitespace fixDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-10-26powertop: simplified C-state display codeDenys Vlasenko
function old new delta .rodata 145530 145514 -16 powertop_main 1510 1403 -107 Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-10-26powertop: IPIs and hw irqs were swapped, fixingDenys Vlasenko
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-10-26powertop: fixes to output format and code shrinkDenys Vlasenko
function old new delta process_timer_stats - 631 +631 clear_lines 72 74 +2 process_irq_counts 729 726 -3 .rodata 145699 145530 -169 powertop_main 2341 1510 -831 ------------------------------------------------------------------------------ (add/remove: 2/1 grow/shrink: 1/2 up/down: 1359/-1729) Total: -370 bytes Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-10-26powertop: code shrinkDenys Vlasenko
function old new delta process_irq_count_deltas - 729 +729 read_cstate_counts - 358 +358 save_line - 150 +150 clear_lines 80 72 -8 line_compare 18 7 -11 .rodata 145736 145699 -37 powertop_main 2527 2341 -186 push_line 193 - -193 read_data 348 - -348 do_proc_irq 890 - -890 ------------------------------------------------------------------------------ (add/remove: 3/3 grow/shrink: 0/4 up/down: 1237/-1673) Total: -436 bytes Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
2010-10-25powertop: new appletMarek Polacek
Signed-off-by: Marek Polacek <mmpolacek@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>