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Author SHA1 Message Date
Simon Cruanes
b44e2f2923 Add explicit spans, for async tracing. 
These spans require the user to pass the surrounding span, if any, when
entering a new span. They use the information inside (which is collector
specific) to track what asynchronous task is currently being executed.

Wrappers around `trace`, specific to an async library (e.g. Eio, lwt,
Async, etc.) can then smooth this over by providing a `with_async_span`
construct that uses some implicit contextual storage to carry the
`surrounding` scope around.
 2023-08-09 00:26:21 -04:00
Simon Cruanes
1be267d626 gitignore 2023-08-09 00:26:21 -04:00
Simon Cruanes
ac57085d33 doc 2023-08-09 00:26:21 -04:00
Joseph Price
f8cd53ec89 chore: depend on core in trace-tef 
This changes trace-tef to depend on trace-core instead of trace, to
avoid clashing with the toplevel's Trace module when starting utop.
 2023-07-30 22:56:49 -04:00
Simon Cruanes
c92a829022
chore: update opam files 2023-07-30 09:28:23 -04:00
Simon Cruanes
9c259742dc
rename to ocaml-trace 2023-07-26 14:18:24 -04:00
Simon Cruanes
69f8447c9a
update readme 2023-07-18 15:59:36 -04:00
Simon Cruanes
c8f88f44ea
details 2023-06-23 15:00:08 -04:00
Simon Cruanes
345dd4a163
feat trace-tef: add a ticker thread to ensure we flush the file regularly 2023-06-23 14:56:05 -04:00
Simon Cruanes
ddc9cce5af
prepare for 0.2 2023-06-15 13:16:39 -04:00
Simon Cruanes
088f2a5e7f
trace-tef: additional argument to with_setup; env for "stdout"/"stderr" 2023-06-12 13:30:06 -04:00
Simon Cruanes
ee2e5dd651
refactor: avoid the cursed stdlib Trace module by adding trace.core 
this way, we can actually use only `trace.core` when we also expect to
use compiler-libs.toplevel (which contains a naked `Trace` module, which
would cause .cmi collisions). The library `trace` still exists, and just
forwards to `trace.core`.
 2023-06-12 13:12:41 -04:00
Simon Cruanes
c7a25a1618
more docs 2023-06-12 11:06:45 -04:00
Simon Cruanes
61f064a997
test: add more events 2023-06-10 19:31:39 -04:00
Simon Cruanes
1886ee737e
perf(trace-tef): improve behavior of collector under contention 
writers still do one lock+unlock per event, but the collector can read
multiple events at once using Queue.transfer.
 2023-06-10 19:30:24 -04:00
Simon Cruanes
261f143dd2
prepare for 0.1 2023-06-09 23:19:18 -04:00
Simon Cruanes
8625a33d6b
use better float printer for counters 2023-06-09 23:08:16 -04:00
Simon Cruanes
3db8f73dcb
update test with counters 2023-06-09 23:06:03 -04:00
Simon Cruanes
341f137ebd
add counter_int and counter_float 2023-06-09 23:05:54 -04:00
Simon Cruanes
7958d7bc3b
tef: remove dead code 2023-06-09 22:48:45 -04:00
Simon Cruanes
29fc25e598
readme 2023-06-09 19:48:57 -04:00
Simon Cruanes
1735abeb8b
api change: message does not take location 
even tracy doesn't have that. Otoh a message should have an optional
span for OTEL.
 2023-06-09 16:53:53 -04:00
Simon Cruanes
d913dbc1b1
makefile: fix 2023-06-09 16:53:49 -04:00
Simon Cruanes
89dac20da8
update test 2023-06-09 16:08:50 -04:00
Simon Cruanes
fdb0f5c4e9
makefile: change default watch target 2023-06-09 16:08:21 -04:00
Simon Cruanes
b6db37fab0
add thread/process name setting 2023-06-09 16:07:49 -04:00
Simon Cruanes
da3388dbf9
readme 2023-06-09 10:24:05 -04:00
Simon Cruanes
b6322d0604
fix test: do not use feature not present in 4.08 2023-06-09 10:23:43 -04:00
Simon Cruanes
3d6c46b7d4
require OCaml 4.08, since mtime 2.0 does 2023-06-09 10:09:19 -04:00
Simon Cruanes
4e527284ae
readme 2023-06-09 10:02:35 -04:00
Simon Cruanes
1f134d76d6
dep on mtime >= 2.0 2023-06-09 09:58:51 -04:00
Simon Cruanes
06b7bf28b7
remove domain stub entirely 2023-06-09 09:55:42 -04:00
Simon Cruanes
261874bfa8
add optional metadata to messages and spans 2023-06-09 09:54:19 -04:00
Simon Cruanes
2e4baf1a7e
ci 2023-06-09 09:40:21 -04:00
Simon Cruanes
0d334db039
CI 2023-06-09 09:37:36 -04:00
Simon Cruanes
1fed3eba8e
change API 2023-06-09 09:34:31 -04:00
Simon Cruanes
718cbf120f
fix trace-tef: cleanup 2023-06-09 08:10:35 -04:00
Simon Cruanes
c58810f4e8
fix build error; make tests deterministic 2023-06-08 23:47:52 -04:00
Simon Cruanes
0707d932bc
perf: make with_ inlinable in case there is no collector 2023-06-08 23:17:39 -04:00
Simon Cruanes
ab8e8bd9c2
CI 2023-06-08 22:32:28 -04:00
Simon Cruanes
df61e98495
unit test for trace-tef 2023-06-08 22:31:51 -04:00
Simon Cruanes
07645ffa1a
add trace-tef, a simple backend 2023-06-08 22:31:32 -04:00
Simon Cruanes
39a14bbede
re-export Collector module 2023-06-08 21:30:09 -04:00
Simon Cruanes
4a390e190b
require ocaml 4.05, add CI 2023-06-08 21:26:32 -04:00
Simon Cruanes
68bcc7c9e2
initial commit 2023-06-08 21:25:34 -04:00