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authorSteven Rostedt (Red Hat) <rostedt@goodmis.org>2016-10-25 16:14:28 -0400
committerSteven Rostedt <rostedt@goodmis.org>2016-11-14 16:42:58 -0500
commitfdf5b679864b8a1165712164b8f17debeb6b10b6 (patch)
tree972dbdef468c60b2bfe8c9b76b03db50557acabf /firmware/radeon
parent60f1d5e3bac44b598f67d36062da96c095d2b700 (diff)
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tracing: Optimise comparison filters and fix binary and for 64 bit
Currently the filter logic for comparisons (like greater-than and less-than) are used, they share the same function and a switch statement is used to jump to the comparison type to perform. This is done in the extreme hot path of the tracing code, and it does not take much more space to create a unique comparison function to perform each type of comparison and remove the switch statement. Also, a bug was found where the binary and operation for 64 bits could fail if the resulting bits were greater than 32 bits, because the result was passed into a 32 bit variable. This was fixed when adding the separate binary and function. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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