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| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | tapsets.cxx | 6 |
2 files changed, 11 insertions, 0 deletions
@@ -1,3 +1,8 @@ +2008-04-26 Frank Ch. Eigler <fche@elastic.org> + + * tapsets.cxx (common_probe_entryfn_prologue): Undo + clear of overload-related context vars; add explanation why. + 2008-04-25 Frank Ch. Eigler <fche@elastic.org> * systemtap.spec.in: Simplify configuration defaults. diff --git a/tapsets.cxx b/tapsets.cxx index 23e85a0e..c10196e2 100644 --- a/tapsets.cxx +++ b/tapsets.cxx @@ -216,10 +216,16 @@ common_probe_entryfn_prologue (translator_output* o, string statestr, o->newline() << "#ifdef STP_TIMING"; o->newline() << "c->statp = 0;"; o->newline() << "#endif"; + // NB: The following would actually be incorrect. + // That's because cycles_sum/cycles_base values are supposed to survive + // between consecutive probes. Periodically (STP_OVERLOAD_INTERVAL + // cycles), the values will be reset. + /* o->newline() << "#ifdef STP_OVERLOAD"; o->newline() << "c->cycles_sum = 0;"; o->newline() << "c->cycles_base = 0;"; o->newline() << "#endif"; + */ } |