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Posted to commits@couchdb.apache.org by da...@apache.org on 2018/03/08 19:39:31 UTC
[couchdb] branch test-looking-glass created (now a5cbcf8)
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davisp pushed a change to branch test-looking-glass
in repository https://gitbox.apache.org/repos/asf/couchdb.git.
at a5cbcf8 WIP: Testing looking_glass for tracing
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new a5cbcf8 WIP: Testing looking_glass for tracing
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[couchdb] 01/01: WIP: Testing looking_glass for tracing
Posted by da...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
davisp pushed a commit to branch test-looking-glass
in repository https://gitbox.apache.org/repos/asf/couchdb.git
commit a5cbcf8c1189d84f5838e70624667dbe0161cef5
Author: Paul J. Davis <pa...@gmail.com>
AuthorDate: Thu Mar 8 11:00:33 2018 -0600
WIP: Testing looking_glass for tracing
---
rebar.config.script | 7 ++++++-
rel/reltool.config | 8 ++++++--
src/chttpd/src/chttpd.erl | 12 ++++++++++++
3 files changed, 24 insertions(+), 3 deletions(-)
diff --git a/rebar.config.script b/rebar.config.script
index c33a71c..ed078f0 100644
--- a/rebar.config.script
+++ b/rebar.config.script
@@ -84,10 +84,15 @@ MakeDep = fun
{AppName, ".*", {git, Url, Version}, Options}
end,
+ExternalDeps = [
+ {lz4, ".*", {git, "https://github.com/rabbitmq/lz4-erlang", "master"}},
+ {looking_glass, ".*", {git, "https://github.com/rabbitmq/looking_glass.git", "master"}}
+],
+
AddConfig = [
{require_otp_vsn, "R16B03|R16B03-1|17|18|19|20"},
{deps_dir, "src"},
- {deps, lists:map(MakeDep, DepDescs)},
+ {deps, lists:map(MakeDep, DepDescs) ++ ExternalDeps},
{sub_dirs, SubDirs},
{lib_dirs, ["src"]},
{erl_opts, [debug_info, {i, "../"}]},
diff --git a/rel/reltool.config b/rel/reltool.config
index 464f5f4..bef50ff 100644
--- a/rel/reltool.config
+++ b/rel/reltool.config
@@ -55,7 +55,9 @@
mochiweb,
rexi,
setup,
- snappy
+ snappy,
+ lz4,
+ looking_glass
]},
{rel, "start_clean", "", [kernel, stdlib]},
{boot_rel, "couchdb"},
@@ -108,7 +110,9 @@
{app, mochiweb, [{incl_cond, include}]},
{app, rexi, [{incl_cond, include}]},
{app, setup, [{incl_cond, include}]},
- {app, snappy, [{incl_cond, include}]}
+ {app, snappy, [{incl_cond, include}]},
+ {app, lz4, [{incl_cond, include}]},
+ {app, looking_glass, [{incl_cond, include}]}
]}.
{overlay_vars, "couchdb.config"}.
diff --git a/src/chttpd/src/chttpd.erl b/src/chttpd/src/chttpd.erl
index 6be0d18..258449a 100644
--- a/src/chttpd/src/chttpd.erl
+++ b/src/chttpd/src/chttpd.erl
@@ -142,8 +142,20 @@ stop() ->
handle_request(MochiReq0) ->
erlang:put(?REWRITE_COUNT, 0),
MochiReq = couch_httpd_vhost:dispatch_host(MochiReq0),
+ maybe_trace(MochiReq),
handle_request_int(MochiReq).
+
+maybe_trace(MochiReq) ->
+ case MochiReq:get_header_value("x-couchdb-trace") of
+ "true" ->
+ couch_log:info("Trace initializing...", []),
+ lg:trace(['_', {scope, [self()]}], lg_file_tracer, "traces.lz4", #{mode => profile});
+ _ ->
+ ok
+ end.
+
+
handle_request_int(MochiReq) ->
Begin = os:timestamp(),
case config:get("chttpd", "socket_options") of
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