diff options
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | tapsets.cxx | 2 |
2 files changed, 7 insertions, 1 deletions
@@ -1,3 +1,9 @@ +2006-03-30 Martin Hunt <hunt@redhat.com> + + * tapsets.cxx (dwarf_derived_probe::emit_registrations): + Change maxactive so single-processor kernels using + kretprobes don't get lots of dropped probes. + 2006-03-30 Frank Ch. Eigler <fche@elastic.org> PR 953, part 1 diff --git a/tapsets.cxx b/tapsets.cxx index 5a2f3bfe..4e6a4c70 100644 --- a/tapsets.cxx +++ b/tapsets.cxx @@ -2929,7 +2929,7 @@ dwarf_derived_probe::emit_registrations (translator_output* o, { o->newline() << "#ifdef ARCH_SUPPORTS_KRETPROBES"; o->newline() << probe_name << ".handler = &" << func_name << ";"; - o->newline() << probe_name << ".maxactive = 0;"; // request default + o->newline() << probe_name << ".maxactive = max(10, 4 * NR_CPUS);"; // XXX: pending PR 1289 // o->newline() << probe_name << ".kp_fault_handler = &stap_kprobe_fault_handler;"; o->newline() << "rc = rc || register_kretprobe (&(" << probe_name << "));"; |