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| author | David Smith <dsmith@redhat.com> | 2009-06-12 13:20:57 -0500 |
|---|---|---|
| committer | David Smith <dsmith@redhat.com> | 2009-06-12 13:20:57 -0500 |
| commit | d05b7a1c363c30c7fcd9d163f457c1ed80d28f19 (patch) | |
| tree | 29fc08c4349a3951b790c334465a94d027000a12 | |
| parent | 5dce84d4fe74644ef76004ff0402510b289a2778 (diff) | |
| download | systemtap-steved-d05b7a1c363c30c7fcd9d163f457c1ed80d28f19.tar.gz systemtap-steved-d05b7a1c363c30c7fcd9d163f457c1ed80d28f19.tar.xz systemtap-steved-d05b7a1c363c30c7fcd9d163f457c1ed80d28f19.zip | |
Fixed non-bulkmode output on smp systems using transport version 2.
* runtime/transport/relay_v2.c (__stp_relay_create_buf_file_callback): Set
the 'is_global' return parameter so that smp systems work correctly.
| -rw-r--r-- | runtime/transport/relay_v2.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/runtime/transport/relay_v2.c b/runtime/transport/relay_v2.c index 16b5afa1..246c4965 100644 --- a/runtime/transport/relay_v2.c +++ b/runtime/transport/relay_v2.c @@ -204,6 +204,21 @@ __stp_relay_create_buf_file_callback(const char *filename, { struct dentry *file = debugfs_create_file(filename, mode, parent, buf, &relay_file_operations); + /* + * Here's what 'is_global' does (from linux/relay.h): + * + * Setting the is_global outparam to a non-zero value will + * cause relay_open() to create a single global buffer rather + * than the default set of per-cpu buffers. + */ + if (is_global) { +#ifdef STP_BULKMODE + *is_global = 0; +#else + *is_global = 1; +#endif + } + if (IS_ERR(file)) { file = NULL; } |