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| author | hiramatu <hiramatu> | 2007-11-09 18:12:06 +0000 |
|---|---|---|
| committer | hiramatu <hiramatu> | 2007-11-09 18:12:06 +0000 |
| commit | 185457afd0b9b00f835e2bedcd6801aae432b699 (patch) | |
| tree | 667dc956901aa44b59cd87adc4ad688a71b3cdfb /runtime/transport | |
| parent | bba416fe7a5eb25ed7c517d076185ce4cfaf6fbd (diff) | |
| download | systemtap-steved-185457afd0b9b00f835e2bedcd6801aae432b699.tar.gz systemtap-steved-185457afd0b9b00f835e2bedcd6801aae432b699.tar.xz systemtap-steved-185457afd0b9b00f835e2bedcd6801aae432b699.zip | |
2007-11-09 Masami Hiramatsu <mhiramat@redhat.com>
PR3858
* print.c: Add -DRELAY_HOST=<hostname> and -DRELAY_GUEST=<hostname>
options support.
(_stp_print_flush): Disable irqs if -DRELAY_* option is specified.
* print_old.c: Export stp_print_flush to other modules if the
-DRELAY_HOST option is specified.
* print_new.c: Ditto.
* transport.c (_stp_transport_init): Reduce relay buffer size to
64KB*2 if -DRELAY_GUEST is specified.
* systemtap.printf/sharedbuf.exp: New test for buffer sharing option.
* systemtap.printf/sharedbuf.stp: Ditto.
* systemtap.printf/hello.stp: Ditto.
* systemtap.printf/hello2.stp: Ditto.
Diffstat (limited to 'runtime/transport')
| -rw-r--r-- | runtime/transport/ChangeLog | 6 | ||||
| -rw-r--r-- | runtime/transport/transport.c | 6 |
2 files changed, 12 insertions, 0 deletions
diff --git a/runtime/transport/ChangeLog b/runtime/transport/ChangeLog index ee34ef19..263a6bf8 100644 --- a/runtime/transport/ChangeLog +++ b/runtime/transport/ChangeLog @@ -1,3 +1,9 @@ +2007-11-09 Masami Hiramatsu <mhiramat@redhat.com> + + PR3858 + * transport.c (_stp_transport_init): Reduce relay buffer size to + 64KB*2 if -DRELAY_GUEST is specified. + 2007-11-09 Martin Hunt <hunt@redhat.com> PR 5281 * transport.c (_stp_detach, _stp_attach): Call utt_set_overwrite() diff --git a/runtime/transport/transport.c b/runtime/transport/transport.c index 9aa26b79..2904cf2f 100644 --- a/runtime/transport/transport.c +++ b/runtime/transport/transport.c @@ -249,6 +249,12 @@ int _stp_transport_init(void) _stp_uid = current->uid; _stp_gid = current->gid; +#ifdef RELAY_GUEST + /* Guest scripts use relay only for reporting warnings and errors */ + _stp_subbuf_size = 65536; + _stp_nsubbufs = 2; +#endif + if (_stp_bufsize) { unsigned size = _stp_bufsize * 1024 * 1024; _stp_subbuf_size = ((size >> 2) + 1) * 65536; |