Messages in this thread | | | Date | 10 May 2005 03:48:07 +0200 | Date | Tue, 10 May 2005 03:48:07 +0200 | From | Andi Kleen <> | Subject | Re: X86_64 Ctx switch times - 32bit vs 64bit |
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> samples % symbol name > 20820 11.5424 copy_user_generic_c > 12990 7.2015 ia32_syscall > 10131 5.6165 gs_change > 9053 5.0189 __dequeue_signal > 7494 4.1546 find_pid
Context switch does not even appear. Probably the i386 glibc does something much slower than 64bit. I would compare straces.
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