Commit graph

64 commits

Author SHA1 Message Date
Simon Cruanes
6eced76971
fuchsia: fixes (size is in words, not bytes) 2023-12-25 18:56:46 -05:00
Simon Cruanes
00caf6aad5
wip: collector for the fuchsia trace format 2023-12-25 16:52:22 -05:00
Simon Cruanes
7f9370e842
refactor: split some parts of trace-tef into trace.private.util 2023-12-25 16:51:52 -05:00
Simon Cruanes
bb520d90b5
ppx: make sure to reconstruct backtraces 2023-12-22 21:38:31 -05:00
Simon Cruanes
b1ccd58040
try to avoid capture 2023-12-22 21:33:30 -05:00
Simon Cruanes
8ce25c2815
add ppx_trace 2023-12-22 21:24:53 -05:00
Simon Cruanes
b387729081
share code for implicit spans 2023-12-22 20:15:25 -05:00
Simon Cruanes
ef15941936
functions to enter/exit implicit spans 2023-12-22 20:10:58 -05:00
Simon Cruanes
756ea1d22c
refactor: avoid some deadlocks in trace-tef 2023-12-07 16:16:07 -05:00
Simon Cruanes
079949d139
tef: emit last message when worker exits 2023-12-07 16:16:07 -05:00
Simon Cruanes
317509681e
trace-tef: simplify code 2023-12-06 20:51:35 -05:00
Simon Cruanes
c16666d214
perf: reduce overhead in trace-tef
we call onto the channel functions less, because they
involve locking. Instead we do all writes into a (reused) buffer
and write it all at once at the end.
2023-12-05 14:52:40 -05:00
Simon Cruanes
0e198c8059 compat < 5.0 2023-11-28 14:31:16 -05:00
Simon Cruanes
67bc11b4d3 fix for 4.08 2023-11-28 14:31:16 -05:00
Simon Cruanes
c82fb362e8 trace-tef: add Mpsc_queue, adapted from picos; use it in trace_tef 2023-11-28 14:31:16 -05:00
Simon Cruanes
f3ae3397de
fix docs 2023-10-11 13:29:37 -04:00
Simon Cruanes
0135a613a9 add ?data to counter_int and counter_float
this makes sense to add metadata in, say, opentelemetry
2023-09-16 21:29:01 -04:00
Simon Cruanes
ba9d3d3d20 small refactor 2023-09-15 10:01:20 -04:00
Simon Cruanes
572f2848c8 add float to user data 2023-09-15 10:01:20 -04:00
Simon Cruanes
431811c995
rename add_data_to_current_span; give it span explicitly 2023-09-13 14:43:16 -04:00
Simon Cruanes
e0fe99f500
rename add_data to add_data_to_current_span 2023-09-06 09:50:54 -04:00
Simon Cruanes
4fc81d4ca2
tef: carry additional data for manual spans in the explicit_span's map
the span opening has been emitted already, so we'll emit the metadata at
exit time. We don't need side storage since we already have a hmap.
2023-08-30 20:24:17 -04:00
Simon Cruanes
567386908e
make explicit_span.meta mutable 2023-08-30 20:23:54 -04:00
Simon Cruanes
5d04850997
update doc
Co-authored-by: ELLIOTTCABLE <github.com@from.ec>
2023-08-30 20:23:54 -04:00
Simon Cruanes
4306a635f3
Update src/core/collector.ml
Co-authored-by: ELLIOTTCABLE <github.com@from.ec>
2023-08-30 20:23:53 -04:00
Simon Cruanes
8a4309b95e
adapt trace-tef to handle adding data after creating span 2023-08-30 20:23:52 -04:00
Simon Cruanes
4137985d69
make add_data implicit (no span argument) 2023-08-30 20:23:52 -04:00
Simon Cruanes
c683f6331b
add add_data_to_span and add_data_to_explicit_span 2023-08-30 20:23:51 -04:00
Simon Cruanes
20e2bf2f87
tef: docs and small refactor 2023-08-30 08:31:50 -04:00
Simon Cruanes
b467678040
feat tef: write to trace.json if TRACE is either 1 or true 2023-08-30 08:31:49 -04:00
Corentin Leruth
fc5b243df5 b_queue: use broadcast instead of signal 2023-08-29 22:37:54 -04:00
Corentin Leruth
efafd34a9e b_queue: signal only if queue was empty 2023-08-23 20:42:16 -04:00
Simon Cruanes
96fb44e6bb
trace-tef: emit function name, if provided, as a metadata key/value pair
the key is "function". It is visible when selecting the span, typically.
2023-08-19 17:13:56 -04:00
Simon Cruanes
e194972613
re-export trace.core in trace 2023-08-19 16:53:06 -04:00
Simon Cruanes
91c9da3b66
prepare for 0.3 2023-08-09 00:29:24 -04:00
Simon Cruanes
0eb6a84982 feat: add ?flavor argument to manual spans. 2023-08-09 00:26:21 -04:00
Simon Cruanes
dc4037a14e Update src/core/trace_core.mli
Co-authored-by: ELLIOTTCABLE <github.com@from.ec>
2023-08-09 00:26:21 -04:00
Simon Cruanes
1b5e827d65 fix inconsistency 2023-08-09 00:26:21 -04:00
Simon Cruanes
50b4691ab6 rename explicit span API 2023-08-09 00:26:21 -04:00
Simon Cruanes
4ca766166f Update src/core/trace_core.mli
Co-authored-by: Corentin Leruth <corentin.leruth@gmail.com>
2023-08-09 00:26:21 -04:00
Simon Cruanes
a09a4fc69a refactor collector API as well.
After long discussions with @ELLIOTTCABLE, the collector should only
provide a `with_`-like function for regular spans. This allows
each concurrency library to use its native mechanism for local storage,
which is almost always based on such a scope function.
2023-08-09 00:26:21 -04:00
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
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
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
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
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