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| author | fche <fche> | 2006-02-22 15:05:50 +0000 |
|---|---|---|
| committer | fche <fche> | 2006-02-22 15:05:50 +0000 |
| commit | 03d569d3e8ee6f405b8e8489eaaf325c774b822d (patch) | |
| tree | 91dea097c656f0208c3bc481cc57a2cd97092880 /tapsets.cxx | |
| parent | 7934b76a4ce7cdcdd9de054db154e3da9dab7047 (diff) | |
| download | systemtap-steved-03d569d3e8ee6f405b8e8489eaaf325c774b822d.tar.gz systemtap-steved-03d569d3e8ee6f405b8e8489eaaf325c774b822d.tar.xz systemtap-steved-03d569d3e8ee6f405b8e8489eaaf325c774b822d.zip | |
2006-02-22 Frank Ch. Eigler <fche@elastic.org>
PR 2293.
* tapsets.cxx (emit_probe_epilogue): Emit early local_irq_save().
(emit_probe_epilogue): ... and matching _restore().
* main.cxx (main): Emit a "hello, I'm starting" message
before pass 5 in verbose mode.
Diffstat (limited to 'tapsets.cxx')
| -rw-r--r-- | tapsets.cxx | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/tapsets.cxx b/tapsets.cxx index 5919d241..31b2515a 100644 --- a/tapsets.cxx +++ b/tapsets.cxx @@ -91,8 +91,10 @@ void derived_probe::emit_probe_prologue (translator_output* o, const std::string& statereq) { - o->newline() << "struct context* c = per_cpu_ptr " - << "(contexts, smp_processor_id());"; + o->newline() << "struct context* c;"; + o->newline() << "unsigned long flags;"; + o->newline() << "local_irq_save (flags);"; + o->newline() << "c = per_cpu_ptr (contexts, smp_processor_id());"; o->newline() << "if (atomic_read (&session_state) != " << statereq << ")"; o->newline(1) << "goto probe_epilogue;"; @@ -136,7 +138,7 @@ derived_probe::emit_probe_epilogue (translator_output* o) o->newline() << "atomic_dec (&c->busy);"; o->newline(-1) << "probe_epilogue: ;"; - o->indent(1); + o->newline(1) << "local_irq_restore (flags);"; } |