"blkclr (mach_kernel)" shows up in mac's shark profiler. What does it do?

Posted by lh3 on Stack Overflow See other posts from Stack Overflow or by lh3
Published on 2010-04-15T21:22:55Z Indexed on 2010/04/15 21:33 UTC
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I am profiling a C program using Mac's Shark which shows that some of CPU time goes to "blkclr" in "mach_kernel". What does this kernel function do? I speculate it is related to memory allocation, but I am not sure. I have googled for some time, but could not find the answer, either. Does someone know this? Thanks in advance.

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