[Bug 3817] InstallShield very slow when copying many small files
Wine Bugs
wine-bugs at winehq.org
Sun Jul 30 18:03:43 CDT 2006
http://bugs.winehq.org/show_bug.cgi?id=3817
------- Additional Comments From rob at codeweavers.com 2006-30-07 18:03 -------
Using oprofile, I generated a list of all of the functions using over 1% of the
time in the applicate:
407955 20.6001 ntdll.dll.so RtlUpcaseUnicodeString
309817 15.6445 libwine.so.1 wine_cp_wcstombs
218996 11.0584 ntdll.dll.so RtlIsNameLegalDOS8Dot3
198561 10.0265 libwine.so.1 wine_utf8_mbstowcs
118514 5.9845 ntdll.dll.so RtlUpcaseUnicodeStringToCountedOemString
90594 4.5746 ntdll.dll.so wine_nt_to_unix_file_name
74824 3.7783 ntdll.dll.so RtlUnicodeToOemN
58600 2.9591 libwine.so.1 memicmpW
54659 2.7601 ntdll.dll.so ntdll_umbstowcs
45692 2.3073 ole32.dll.so StorageImpl_GetNextBlockInChain
43063 2.1745 ntdll.dll.so RtlUnicodeStringToOemSize
35359 1.7855 ntdll.dll.so hash_short_file_name
26010 1.3134 ole32.dll.so StorageUtl_ReadDWord
25451 1.2852 ntdll.dll.so .plt
24873 1.2560 ntdll.dll.so find_free_area
21688 1.0952 libwine.so.1 tolowerW
As can be seen, RtlUpcaseUnicodeString is the top CPU user which is likely being
called by the file or loader code.
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