common: new tracing config options

Config options to enable LTTng-UST tracepoint providers for
the OSD, OSD objectstore, librados, and librbd.

Signed-off-by: Jason Dillaman <dillaman@redhat.com>

diff --git a/src/common/config_opts.h b/src/common/config_opts.h
index 71a2ebca9e79fa8487828f9869e7fc291e533b76..ab52520547ec353df853012a511d3ec4e6b9bf98 100644 (file)
--- a/src/common/config_opts.h
+++ b/src/common/config_opts.h
@@ -715,6 +715,7 @@ OPTION(osd_failsafe_full_ratio, OPT_FLOAT, .97) // what % full makes an OSD "ful
 OPTION(osd_failsafe_nearfull_ratio, OPT_FLOAT, .90) // what % full makes an OSD near full (failsafe)
 
 OPTION(osd_pg_object_context_cache_count, OPT_INT, 64)
+OPTION(osd_tracing, OPT_BOOL, false) // true if LTTng-UST tracepoints should be enabled
 
 // determines whether PGLog::check() compares written out log to stored log
 OPTION(osd_debug_pg_log_writeout, OPT_BOOL, false)
@@ -781,6 +782,7 @@ OPTION(osd_max_attr_name_len, OPT_U32, 100)    // max rados attr name len; canno
 OPTION(osd_max_attr_size, OPT_U64, 0)
 
 OPTION(osd_objectstore, OPT_STR, "filestore")  // ObjectStore backend type
+OPTION(osd_objectstore_tracing, OPT_BOOL, false) // true if LTTng-UST tracepoints should be enabled
 // Override maintaining compatibility with older OSDs
 // Set to true for testing.  Users should NOT set this.
 OPTION(osd_debug_override_acting_compat, OPT_BOOL, false)
@@ -943,6 +945,7 @@ OPTION(journal_discard, OPT_BOOL, false) //using ssd disk as journal, whether su
 
 OPTION(rados_mon_op_timeout, OPT_DOUBLE, 0) // how many seconds to wait for a response from the monitor before returning an error from a rados operation. 0 means on limit.
 OPTION(rados_osd_op_timeout, OPT_DOUBLE, 0) // how many seconds to wait for a response from osds before returning an error from a rados operation. 0 means no limit.
+OPTION(rados_tracing, OPT_BOOL, false) // true if LTTng-UST tracepoints should be enabled
 
 OPTION(rbd_op_threads, OPT_INT, 1)
 OPTION(rbd_op_thread_timeout, OPT_INT, 60)
@@ -969,6 +972,7 @@ OPTION(rbd_blacklist_expire_seconds, OPT_INT, 0) // number of seconds to blackli
 OPTION(rbd_request_timed_out_seconds, OPT_INT, 30) // number of seconds before maint request times out
 OPTION(rbd_skip_partial_discard, OPT_BOOL, false) // when trying to discard a range inside an object, set to true to skip zeroing the range.
 OPTION(rbd_enable_alloc_hint, OPT_BOOL, true) // when writing a object, it will issue a hint to osd backend to indicate the expected size object need
+OPTION(rbd_tracing, OPT_BOOL, false) // true if LTTng-UST tracepoints should be enabled
 
 /*
  * The following options change the behavior for librbd's image creation methods that