* New /* stable */ embedded-c pragma [not found] <307772783.5042994.1439576879446.JavaMail.zimbra@redhat.com> @ 2015-08-14 18:51 ` Felix Lu 0 siblings, 0 replies; only message in thread From: Felix Lu @ 2015-08-14 18:51 UTC (permalink / raw) To: systemtap SystemTap translator now supports the /* stable */ embedded-c pragma for arity-0 functions. Functioncall results are now automatically stored to reduce overhead of duplicate calls(no need to explicitly store). Stable functioncalls inside loops are also pulled out by the optimizer. Example usage: https://sourceware.org/systemtap/examples/profiling/timeout.stp Runtime of stable tapset functioncalls reduced by 5-10% in general usage cases. ^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2015-08-14 18:51 UTC | newest] Thread overview: (only message) (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- [not found] <307772783.5042994.1439576879446.JavaMail.zimbra@redhat.com> 2015-08-14 18:51 ` New /* stable */ embedded-c pragma Felix Lu
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