Thanks Fons and Dario,
Here is a full record of "time" command and "dtruss". Please let me know if you find anything from the log. /Volumes/ki-fc1 is the mounted SSHFS directory, where "time root" takes 2.7 seconds.
Regards,
Akira
Akira-laptop:~ root# export ROOTSYS=/usr/local/root Akira-laptop:~ root# export LD_LIBRARY_PATH=/opt/local/lib:$ROOTSYS/lib:$LD_LIBRARY_PATH Akira-laptop:~ root# export PATH=$ROOTSYS/bin:$PATHAkira-laptop:~ root# root -n -l Akira-laptop:~ root# cd /Volumes/ki-fc1/ Akira-laptop:ki-fc1 root# time root -n -l -b -qroot [0]
real 0m2.702s user 0m0.085s sys 0m0.125s
real 0m0.192s user 0m0.057s sys 0m0.103s
SYSCALL(args) = return
getpid(0x7FFF5FBFF7D0, 0x7FFFFFE00050, 0x0) = 2143 0
open_nocancel("/dev/urandom\0", 0x0, 0x0) = 3 0
read_nocancel(0x3, "}\245N\031\177\032FB\327\320\025\262kt\360\222\235}\352\263\232<\262\027\212+\357\244\315\245\t\233\314\215h\a\255\210=\333\2500\337\315d\234\313pT\375\217A3U`\f\361\202\0176\310\240\245\340(\252\307\261\353mk\314.}\272\032\300\023\233\262\222\215\220\004Y+Y\330\026Kd-L\203FA\353c%\360\243\017\246 }\a\307\f\0", 0x6C) = 108 0
close_nocancel(0x3) = 0 0
issetugid(0x100000000, 0x7FFF5FBFFAC8, 0x7FFF5FC40530) = 0 0
geteuid(0x100000000, 0x7FFF5FBFFAC8, 0x0) = 0 0
__sysctl(0x7FFF5FBFD6C0, 0x2, 0x7FFF5FBFD680) = 0 0
__sysctl(0x7FFF5FBFD680, 0x2, 0x7FFF5FBFD71C) = 0 0
shared_region_check_np(0x7FFF5FBFD888, 0x0, 0x7FFF5FC1DC86) = 0 0
stat64("/usr/lib/dtrace/libdtrace_dyld.dylib\0", 0x7FFF5FBFCC90, 0x7FFF5FBFD2D0) = 0 0
open("/usr/lib/dtrace/libdtrace_dyld.dylib\0", 0x0, 0x0) = 3 0
pread(0x3, "\312\376\272\276\0", 0x1000, 0x0) = 4096 0
pread(0x3, "\317\372\355\376\a\0", 0x1000, 0x1000) = 4096 0
mmap(0x100008000, 0x2000, 0x5, 0x12, 0x3, 0x7FFF00000001) = 0x8000 0
mmap(0x10000A000, 0x1000, 0x3, 0x12, 0x3, 0x7FFF00000001) = 0xA000 0
mmap(0x10000B000, 0x1F10, 0x1, 0x12, 0x3, 0x7FFF00000001) = 0xB000 0
close(0x3) = 0 0
stat64("/opt/local/lib/libXpm.4.dylib\0", 0x7FFF5FBFC9D0, 0x7FFF5FBFD010) = 0 0
open("/opt/local/lib/libXpm.4.dylib\0", 0x0, 0x0) = 3 0
pread(0x3, "\317\372\355\376\a\0", 0x1000, 0x0) = 4096 0
mmap(0x10000D000, 0xE000, 0x5, 0x12, 0x3, 0x7FFF00000001) = 0xD000 0
mmap(0x10001B000, 0x1000, 0x3, 0x12, 0x3, 0x7FFF00000001) = 0x1B000 0
mmap(0x10001C000, 0x2038, 0x1, 0x12, 0x3, 0x7FFF00000001) = 0x1C000 0
fcntl(0x3, 0x2C, 0x7FFF5FBFAC50) = 0 0
close(0x3) = 0 0
stat64("/opt/local/lib/libXext.6.dylib\0", 0x7FFF5FBFC9D0, 0x7FFF5FBFD010) = 0 0
open("/opt/local/lib/libXext.6.dylib\0", 0x0, 0x0) = 3 0
pread(0x3, "\317\372\355\376\a\0", 0x1000, 0x0) = 4096 0
mmap(0x10001F000, 0xF000, 0x5, 0x12, 0x3, 0x7FFF00000001) = 0x1F000 0
mmap(0x10002E000, 0x1000, 0x3, 0x12, 0x3, 0x7FFF00000001) = 0x2E000 0
mmap(0x10002F000, 0x3878, 0x1, 0x12, 0x3, 0x7FFF00000001) = 0x2F000 0
fcntl(0x3, 0x2C, 0x7FFF5FBFACC0) = 0 0
close(0x3) = 0 0
stat64("/opt/local/lib/libX11.6.dylib\0", 0x7FFF5FBFC9D0, 0x7FFF5FBFD010) = 0 0
open("/opt/local/lib/libX11.6.dylib\0", 0x0, 0x0) = 3 0
pread(0x3, "\317\372\355\376\a\0", 0x1000, 0x0) = 4096 0
mmap(0x100033000, 0x120000, 0x5, 0x12, 0x3, 0x7FFF00000001) = 0x33000 0
mmap(0x100153000, 0x5000, 0x3, 0x12, 0x3, 0x7FFF00000001) = 0x153000 0
mmap(0x100158000, 0x1D3E8, 0x1, 0x12, 0x3, 0x7FFF00000001) = 0x158000 0
fcntl(0x3, 0x2C, 0x7FFF5FBFAC60) = 0 0
close(0x3) = 0 0
stat64("/opt/local/lib/libXft.2.dylib\0", 0x7FFF5FBFC9D0, 0x7FFF5FBFD010) = 0 0
open("/opt/local/lib/libXft.2.dylib\0", 0x0, 0x0) = 3 0
pread(0x3, "\317\372\355\376\a\0", 0x1000, 0x0) = 4096 0
mmap(0x100176000, 0x11000, 0x5, 0x12, 0x3, 0x7FFF00000001) = 0x176000 0
mmap(0x100187000, 0x1000, 0x3, 0x12, 0x3, 0x7FFF00000001) = 0x187000 0
mmap(0x100188000, 0x3B28, 0x1, 0x12, 0x3, 0x7FFF00000001) = 0x188000 0
fcntl(0x3, 0x2C, 0x7FFF5FBFAAC0) = 0 0
close(0x3) = 0 0
stat64("/usr/lib/libstdc++.6.dylib\0", 0x7FFF5FBFC9D0, 0x7FFF5FBFD010) = 0 0
stat64("/usr/lib/libSystem.B.dylib\0", 0x7FFF5FBFC9D0, 0x7FFF5FBFD010) = 0 0
stat64("/opt/local/lib/libxcb.1.dylib\0", 0x7FFF5FBFC7F0, 0x7FFF5FBFCE30) = 0 0
open("/opt/local/lib/libxcb.1.dylib\0", 0x0, 0x0) = 3 0
pread(0x3, "\317\372\355\376\a\0", 0x1000, 0x0) = 4096 0
mmap(0x10018C000, 0x15000, 0x5, 0x12, 0x3, 0x7FFF00000001) = 0x18C000 0
mmap(0x1001A1000, 0x1000, 0x3, 0x12, 0x3, 0x7FFF00000001) = 0x1A1000 0
mmap(0x1001A2000, 0xA2D0, 0x1, 0x12, 0x3, 0x7FFF00000001) = 0x1A2000 0
fcntl(0x3, 0x2C, 0x7FFF5FBFAB00) = 0 0
close(0x3) = 0 0
stat64("/opt/local/lib/libXau.6.dylib\0", 0x7FFF5FBFC7F0, 0x7FFF5FBFCE30) = 0 0
open("/opt/local/lib/libXau.6.dylib\0", 0x0, 0x0) = 3 0
pread(0x3, "\317\372\355\376\a\0", 0x1000, 0x0) = 4096 0
mmap(0x1001AD000, 0x2000, 0x5, 0x12, 0x3, 0x7FFF00000001) = 0x1AD000 0
mmap(0x1001AF000, 0x1000, 0x3, 0x12, 0x3, 0x7FFF00000001) = 0x1AF000 0
mmap(0x1001B0000, 0x848, 0x1, 0x12, 0x3, 0x7FFF00000001) = 0x1B0000 0
fcntl(0x3, 0x2C, 0x7FFF5FBFAC60) = 0 0
close(0x3) = 0 0
stat64("/opt/local/lib/libXdmcp.6.dylib\0", 0x7FFF5FBFC7F0, 0x7FFF5FBFCE30) = 0 0
open("/opt/local/lib/libXdmcp.6.dylib\0", 0x0, 0x0) = 3 0
pread(0x3, "\317\372\355\376\a\0", 0x1000, 0x0) = 4096 0
mmap(0x1001B1000, 0x4000, 0x5, 0x12, 0x3, 0x7FFF00000001) = 0x1B1000 0
mmap(0x1001B5000, 0x1000, 0x3, 0x12, 0x3, 0x7FFF00000001) = 0x1B5000 0
mmap(0x1001B6000, 0xC40, 0x1, 0x12, 0x3, 0x7FFF00000001) = 0x1B6000 0
fcntl(0x3, 0x2C, 0x7FFF5FBFACB0) = 0 0
close(0x3) = 0 0
stat64("/opt/local/lib/libintl.8.dylib\0", 0x7FFF5FBFC7F0, 0x7FFF5FBFCE30) = 0 0
open("/opt/local/lib/libintl.8.dylib\0", 0x0, 0x0) = 3 0
pread(0x3, "\317\372\355\376\a\0", 0x1000, 0x0) = 4096 0
mmap(0x1001B7000, 0xA000, 0x5, 0x12, 0x3, 0x7FFF00000001) = 0x1B7000 0
mmap(0x1001C1000, 0x1000, 0x3, 0x12, 0x3, 0x7FFF00000001) = 0x1C1000 0
mmap(0x1001C3000, 0x2410, 0x1, 0x12, 0x3, 0x7FFF00000001) = 0x1C3000 0
fcntl(0x3, 0x2C, 0x7FFF5FBFAA80) = 0 0
close(0x3) = 0 0
stat64("/opt/local/lib/libiconv.2.dylib\0", 0x7FFF5FBFC7F0, 0x7FFF5FBFCE30) = 0 0
open("/opt/local/lib/libiconv.2.dylib\0", 0x0, 0x0) = 3 0
pread(0x3, "\317\372\355\376\a\0", 0x1000, 0x0) = 4096 0
mmap(0x1001C6000, 0xFD000, 0x5, 0x12, 0x3, 0x7FFF00000001) = 0x1C6000 0
mmap(0x1002C3000, 0x2000, 0x3, 0x12, 0x3, 0x7FFF00000001) = 0x2C3000 0
mmap(0x1002C5000, 0x9D30, 0x1, 0x12, 0x3, 0x7FFF00000001) = 0x2C5000 0
fcntl(0x3, 0x2C, 0x7FFF5FBFAB70) = 0 0
close(0x3) = 0 0
stat64("/usr/lib/system/libmathCommon.A.dylib\0", 0x7FFF5FBFC240, 0x7FFF5FBFC880) = 0 0
stat64("/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation\0", 0x7FFF5FBFC670, 0x7FFF5FBFCCB0) = 0 0
stat64("/usr/lib/libauto.dylib\0", 0x7FFF5FBFC4C0, 0x7FFF5FBFCB00) = 0 0
stat64("/usr/lib/libicucore.A.dylib\0", 0x7FFF5FBFC4C0, 0x7FFF5FBFCB00) = 0 0
stat64("/usr/lib/libobjc.A.dylib\0", 0x7FFF5FBFC4C0, 0x7FFF5FBFCB00) = 0 0
stat64("/usr/lib/libz.1.dylib\0", 0x7FFF5FBFC4C0, 0x7FFF5FBFCB00) = 0 0
stat64("/opt/local/lib/libfontconfig.1.dylib\0", 0x7FFF5FBFC790, 0x7FFF5FBFCDD0) = 0 0
open("/opt/local/lib/libfontconfig.1.dylib\0", 0x0, 0x0) = 3 0
pread(0x3, "\317\372\355\376\a\0", 0x1000, 0x0) = 4096 0
mmap(0x1002CF000, 0x2F000, 0x5, 0x12, 0x3, 0x7FFF00000001) = 0x2CF000 0
mmap(0x1002FE000, 0x2000, 0x3, 0x12, 0x3, 0x7FFF00000001) = 0x2FE000 0
mmap(0x100300000, 0x7310, 0x1, 0x12, 0x3, 0x7FFF00000001) = 0x300000 0
fcntl(0x3, 0x2C, 0x7FFF5FBFA9D0) = 0 0
close(0x3) = 0 0
stat64("/opt/local/lib/libexpat.1.dylib\0", 0x7FFF5FBFC790, 0x7FFF5FBFCDD0) = 0 0
open("/opt/local/lib/libexpat.1.dylib\0", 0x0, 0x0) = 3 0
pread(0x3, "\317\372\355\376\a\0", 0x1000, 0x0) = 4096 0
mmap(0x100308000, 0x20000, 0x5, 0x12, 0x3, 0x7FFF00000001) = 0x308000 0
mmap(0x100328000, 0x2000, 0x3, 0x12, 0x3, 0x7FFF00000001) = 0x328000 0
mmap(0x10032A000, 0x3AE0, 0x1, 0x12, 0x3, 0x7FFF00000001) = 0x32A000 0
fcntl(0x3, 0x2C, 0x7FFF5FBFABB0) = 0 0
close(0x3) = 0 0
stat64("/opt/local/lib/libfreetype.6.dylib\0", 0x7FFF5FBFC790, 0x7FFF5FBFCDD0) = 0 0
open("/opt/local/lib/libfreetype.6.dylib\0", 0x0, 0x0) = 3 0
pread(0x3, "\317\372\355\376\a\0", 0x1000, 0x0) = 4096 0
mmap(0x10032E000, 0x81000, 0x5, 0x12, 0x3, 0x7FFF00000001) = 0x32E000 0
mmap(0x1003AF000, 0x5000, 0x3, 0x12, 0x3, 0x7FFF00000001) = 0x3AF000 0
mmap(0x1003B4000, 0xE840, 0x1, 0x12, 0x3, 0x7FFF00000001) = 0x3B4000 0
fcntl(0x3, 0x2C, 0x7FFF5FBFAB70) = 0 0
close(0x3) = 0 0
stat64("/opt/local/lib/libz.1.dylib\0", 0x7FFF5FBFC790, 0x7FFF5FBFCDD0) = 0 0
open("/opt/local/lib/libz.1.dylib\0", 0x0, 0x0) = 3 0
pread(0x3, "\317\372\355\376\a\0", 0x1000, 0x0) = 4096 0
mmap(0x1003C3000, 0x15000, 0x5, 0x12, 0x3, 0x7FFF00000001) = 0x3C3000 0
mmap(0x1003D8000, 0x1000, 0x3, 0x12, 0x3, 0x7FFF00000001) = 0x3D8000 0
mmap(0x1003D9000, 0x1818, 0x1, 0x12, 0x3, 0x7FFF00000001) = 0x3D9000 0
fcntl(0x3, 0x2C, 0x7FFF5FBFAB60) = 0 0
close(0x3) = 0 0
stat64("/opt/local/lib/libXrender.1.dylib\0", 0x7FFF5FBFC790, 0x7FFF5FBFCDD0) = 0 0
open("/opt/local/lib/libXrender.1.dylib\0", 0x0, 0x0) = 3 0
pread(0x3, "\317\372\355\376\a\0", 0x1000, 0x0) = 4096 0
mmap(0x1003DB000, 0x8000, 0x5, 0x12, 0x3, 0x7FFF00000001) = 0x3DB000 0
mmap(0x1003E3000, 0x1000, 0x3, 0x12, 0x3, 0x7FFF00000001) = 0x3E3000 0
mmap(0x1003E4000, 0x1428, 0x1, 0x12, 0x3, 0x7FFF00000001) = 0x3E4000 0
fcntl(0x3, 0x2C, 0x7FFF5FBFAA30) = 0 0
close(0x3) = 0 0
madvise(0x7FFF8966C000, 0x2000, 0x5) = 0 0
open("/dev/dtracehelper\0", 0x2, 0x7FFF5FC46070) = 3 0
ioctl(0x3, 0x80086804, 0x7FFF5FBFD620) = 0 0
close(0x3) = 0 0
__sysctl(0x7FFF5FBFD510, 0x2, 0x7FFF5FBFD500) = 0 0
bsdthread_register(0x7FFF851623DC, 0x7FFF85142FF8, 0x2000) = 0 0
thread_selfid(0x7FFF851623DC, 0x7FFF85142FF8, 0x0) = 28422 0
open_nocancel("/dev/urandom\0", 0x0, 0x7FFF70906BE0) = 3 0
read_nocancel(0x3, "\214\343\027\264Y\236\200\234\356\357~\360\206\200X\225\362D|\017\336\237B\336\311\351\301)\355Y\0", 0x40) = 64 0
close_nocancel(0x3) = 0 0
mmap(0x0, 0x3000, 0x3, 0x1002, 0x1000000, 0x7FFF00000001) = 0x3E6000 0
__sysctl(0x7FFF5FBFD390, 0x2, 0x7FFF5FBFD350) = 0 0
__sysctl(0x7FFF5FBFD350, 0x2, 0x7FFF5FBFD3E8) = 0 0
getpid(0x7FFF5FBFD2E0, 0x7FFFFFE00050, 0x0) = 2143 0
open_nocancel("/dev/urandom\0", 0x0, 0x0) = 3 0
read_nocancel(0x3, "\302\003J\347/G\271\212\343\233\364\361\370N\310\224\230\351\346\374\304\376z\305\242\326M`\325\245\001\037\224\242\371/\353\264\326\304q\201\327f\324Go\200H\243\200*\351k$\226\t\257S\241\201M\017#\375\345\215\234Gp\371\303\332\263V\001\035~\277\303)\250^,P\332\0", 0x6C) = 108 0
close_nocancel(0x3) = 0 0
__sysctl(0x7FFF5FBFD390, 0x2, 0x7FFF5FBFD3BC) = 0 0
mmap(0x0, 0x17000, 0x3, 0x1002, 0x1000000, 0x7FFF00000001) = 0x3E9000 0
mmap(0x0, 0x17000, 0x3, 0x1002, 0x1000000, 0x7FFF00000001) = 0x400000 0
mmap(0x0, 0x1000, 0x3, 0x1002, 0x1000000, 0x7FFF00000001) = 0x417000 0
mmap(0x0, 0x200000, 0x3, 0x1002, 0x7000000, 0x7FFF00000001) = 0x418000 0
munmap(0x100418000, 0xE8000) = 0 0
munmap(0x100600000, 0x18000) = 0 0
__sysctl(0x7FFF5FBFD4F0, 0x2, 0x7FFF5FBFD4B0) = 0 0
__sysctl(0x7FFF5FBFD4B0, 0x2, 0x7FFF70913760) = 0 0
__sysctl(0x7FFF5FBFD4F0, 0x2, 0x7FFF5FBFD4B0) = 0 0
__sysctl(0x7FFF5FBFD4B0, 0x2, 0x7FFF70913764) = 0 0
__sysctl(0x7FFF5FBFD4F0, 0x2, 0x7FFF5FBFD4B0) = 0 0
__sysctl(0x7FFF5FBFD4B0, 0x2, 0x7FFF70913768) = 0 0
mmap(0x0, 0x3000, 0x3, 0x1002, 0x1000000, 0x7FFF00000001) = 0x418000 0
__sysctl(0x7FFF5FBFD4C0, 0x2, 0x7FFF5FBFD480) = 0 0
__sysctl(0x7FFF5FBFD480, 0x2, 0x7FFF5FBFD518) = 0 0
__sysctl(0x7FFF5FBFD4C0, 0x2, 0x7FFF5FBFD4EC) = 0 0
mmap(0x0, 0x17000, 0x3, 0x1002, 0x1000000, 0x7FFF00000001) = 0x41B000 0
mmap(0x0, 0x17000, 0x3, 0x1002, 0x1000000, 0x7FFF00000001) = 0x432000 0
mmap(0x0, 0x200000, 0x3, 0x1002, 0x7000000, 0x7FFF00000001) = 0x600000 0
munmap(0x100700000, 0x100000) = 0 0
issetugid(0x7FFF85D178AC, 0x7FFF5FBFD46C, 0x7FFF5FBFF9F0) = 0 0
stat64("/System/Library/Frameworks/CoreFoundation.framework/CoreFoundation\0", 0x7FFF5FBFC290, 0x7FFF5FBFC8D0) = 0 0
mmap(0x0, 0x1000000, 0x3, 0x1002, 0x2000000, 0x22818200000000) = 0x700000 0
munmap(0x100700000, 0x100000) = 0 0
munmap(0x101000000, 0x700000) = 0 0
getuid(0x7FFF5FBFD4EC, 0x7FFF5FBFD4E8, 0x0) = 0 0
geteuid(0x100504AF0, 0x11, 0x100501DD0) = 0 0
getuid(0x100504AF0, 0x11, 0x0) = 0 0
issetugid(0x1, 0x2, 0x1005051E0) = 0 0
getuid(0x7FFF5FBFCCBC, 0x0, 0x0) = 0 0
stat64("/usr/local/root/bin\0", 0x7FFF5FBFC250, 0x7FFF708FD630) = 0 0
open_nocancel("/usr/local/root/bin\0", 0x100004, 0x0) = 3 0
fcntl_nocancel(0x3, 0x2, 0x1) = 0 0
__sysctl(0x7FFF5FBFB870, 0x2, 0x7FFF7090B718) = 0 0
fstatfs64(0x3, 0x7FFF5FBFB8C0, 0x0) = 0 0
getdirentries64(0x3, 0x100824000, 0x1000) = 1220 0
getdirentries64(0x3, 0x100824000, 0x1000) = 0 0
close_nocancel(0x3) = 0 0
stat64("/usr/local/root/bin/Contents\0", 0x7FFF5FBFC210, 0xFFFFFFFF) = -1 Err#2
stat64("/usr/local/root/bin/Resources\0", 0x7FFF5FBFC210, 0xFFFFFFFF) = -1 Err#2
stat64("/usr/local/root/bin/Support Files\0", 0x7FFF5FBFC210, 0xFFFFFFFF) = -1 Err#2
stat64("/usr/local/root/bin\0", 0x7FFF5FBFC2B0, 0xFFFFFFFF) = 0 0
stat64("/usr/local/root/bin/root\0", 0x7FFF5FBFC4C0, 0x10050610C) = 0 0
open("/usr/local/root/bin/root\0", 0x0, 0x1FF) = 3 0
read(0x3, "\317\372\355\376\a\0", 0x200) = 512 0
close(0x3) = 0 0
sigaction(0x2, 0x7FFF5FBFD810, 0x7FFF5FBFD920) = 0 0
sigaction(0x3, 0x7FFF5FBFD810, 0x7FFF5FBFD910) = 0 0
sigaction(0x1E, 0x7FFF5FBFD810, 0x7FFF5FBFD900) = 0 0
fork() = 2144 0
root [0]
wait4(0x860, 0x7FFF5FBFD95C, 0x2) = 2144 0
--
OKUMURA, Akira oxon@{astro.isas.jaxa.jp,stanford.edu}
Institute of Space and Astronautical Science (ISAS/JAXA)
Now at KIPAC/SLAC/Stanford
Varian Physics #306, 382 Via Pueblo Mall, MC 4060
Stanford, CA 94305-4060
TEL 650-736-0971/FAX 650-724-5065
Skype : okumura.akira
On 2011/02/14, at 0:47, Fons Rademakers wrote:
> Hi Akira,
>
> use Instruments application on MacOS X. It can monitor many things including I/O. Or command line tool dtruss (see man dtruss).
>
> Cheers, Fons.
>
> On 13/02/2011 22:06, OKUMURA, Akira wrote:
>> Hello Axel and all,
>>
>> I am using Mac OS X which does not have strace. Does anyone know a good alternative tool to trace file I/O in root.exe?
>>
>> Regards,
>>
>> --
>> OKUMURA, Akira oxon@{astro.isas.jaxa.jp,stanford.edu}
>> Institute of Space and Astronautical Science (ISAS/JAXA)
>> Now at KIPAC/SLAC/Stanford
>> Varian Physics #306, 382 Via Pueblo Mall, MC 4060
>> Stanford, CA 94305-4060
>> TEL 650-736-0971/FAX 650-724-5065
>> Skype : okumura.akira
>>
>> On 2011/02/03, at 5:47, Axel Naumann wrote:
>>
>>> Hi,
>>>
>>> run strace on root.exe (yes, on Linux). root invokes root.exe, and I
>>> believe that's what you are seeing.
>>>
>>> Cheers, Axel.
>>>
>>> Eduard Avetisyan wrote on 02/02/2011 08:55 PM:
>>>>
>>>>
>>>> On Wed, 2 Feb 2011, Konstantin Olchanski wrote:
>>>>
>>>>> On Wed, Feb 02, 2011 at 08:34:52PM +0100, Eduard Avetisyan wrote:
>>>>>>> On Wed, Feb 02, 2011 at 08:04:12PM +0100, Eduard Avetisyan wrote:
>>>>>>>>
>>>>>>>> The same strace produces ~130 calls in my case, which include but are not
>>>>>>>> limited to libraries like:
>>>>>>>> open("tls/i686/sse2/libXpm.so.4", O_RDONLY) = -1 ENOENT (No such file or directory)
>>>>>>>
>>>>>>> You have "." in your LD_LIBRARY_PATH. Remove it and those syscalls will go away.
>>>>>>
>>>>>> Good hint! Changing the LD_LIBRARY_PATH from ":$ROOTSYS/lib" to simply
>>>>>> "$ROOTSYS/lib" (just a colon difference) reduced the startup time from 12s
>>>>>> to 8s, so by 1/3. Still, it's way slower than a local startup time of 0.1s.
>>>>>>
>>>>>
>>>>> You are still making the system search for every system library in $ROOTSYS/lib,
>>>>> which I understand is a slow SSHFS filesystem.
>>>>
>>>> Quite the contrary! The $ROOTSYS is local and fast! Only the current
>>>> working directory is on SSHFS!
>>>>
>>>>
>>>>>
>>>>> You can try to put the system library path (/lib, etc) in front of $ROOTSYS/lib,
>>>>> so the loader quickly finds the system libraries and does not touch SSHFS.
>>>> Tried, doesn't change anything (as $ROOTSYS is local anyway). But I found
>>>> that the slow part happens with the following strace signature:
>>>>
>>>> clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0xb73769b8) = 27680
>>>> waitpid(27680, root [0] [{WIFEXITED(s)&& WEXITSTATUS(s) == 0}], WSTOPPED) = 27680
>>>>
>>>> namely, "waitpid(27680," is printed and the rest shows up 8-12 seconds
>>>> later.
>>>>
>>>> Thanks for looking into this!
>>>> Eduard
>>>>>
>>>>> --
>>>>> Konstantin Olchanski
>>>>> Data Acquisition Systems: The Bytes Must Flow!
>>>>> Email: olchansk-at-triumf-dot-ca
>>>>> Snail mail: 4004 Wesbrook Mall, TRIUMF, Vancouver, B.C., V6T 2A3, Canada
>>>>>
>>>>>
>>>>
>>>
>>
>
> --
> Org: CERN, European Laboratory for Particle Physics.
> Mail: 1211 Geneve 23, Switzerland
> E-Mail: Fons.Rademakers_at_cern.ch Phone: +41 22 7679248
> WWW: http://fons.rademakers.org Fax: +41 22 7669640
Received on Mon Feb 14 2011 - 16:35:13 CET
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