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>
(cherry picked from commit 2ccef89badb1f7a63721a0bf48d05eb4c2d0a97a)

Conflicts:
	src/common/config_opts.h: trivial resolution

diff --git a/src/common/config_opts.h b/src/common/config_opts.h
index dd376a6f724cf81e459b0647c267c4ebea16cabc..f2b16c58bcb739d545bf04bf56d31c42b68541a9 100644 (file)
--- a/src/common/config_opts.h
+++ b/src/common/config_opts.h
@@ -672,6 +672,7 @@ 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)
@@ -743,6 +744,7 @@ 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)
@@ -871,6 +873,7 @@ 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)
@@ -895,6 +898,7 @@ OPTION(rbd_clone_copy_on_read, OPT_BOOL, false)
 OPTION(rbd_blacklist_on_break_lock, OPT_BOOL, true) // whether to blacklist clients whose lock was broken
 OPTION(rbd_blacklist_expire_seconds, OPT_INT, 0) // number of seconds to blacklist - set to 0 for OSD default
 OPTION(rbd_request_timed_out_seconds, OPT_INT, 30) // number of seconds before maint request times out
+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