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* Make `PosixSource.h` installed and under `rts/`John Ericson2021-08-091-1/+1
| | | | | | is used outside of the rts so we do this rather than just fish it out of the repo in ad-hoc way, in order to make packages in this repo more self-contained.
* rts: retainer: Reduce DEBUG_RETAINER ifdef noiseDaniel Gröber2019-09-221-6/+1
| | | | | | | | | | Keeping track of the maximum stack seems like a good idea in all configurations. The associated ASSERTs only materialize in debug mode but having the statistic is nice. To make the debug code less prone to bitrotting I introduce a function 'debug()' which doesn't actually print by default and is #define'd away only when the standard DEBUG define is off.
* rts: RetainerSet: Remove obsolete fist/second-approach choiceDaniel Gröber2019-09-221-23/+0
| | | | | | | | | | | | | In the old code when DEBUG_RETAINER was set, FIRST_APPROACH is implied. However ProfHeap.c now depends on printRetainerSetShort which is only available with SECOND_APPROACH. This is because with FIRST_APPROACH retainerProfile() will free all retainer sets before returning so by the time ProfHeap calls dumpCensus the retainer set pointers are segfaulty. Since all of this debugging code obviously hasn't been compiled in ages anyways I'm taking the liberty of just removing it. Remember guys: Dead code is a liability not an asset :)
* eventlog: Add biographical and retainer profiling tracesMatthew Pickering2019-09-171-1/+3
| | | | | | | | | | This patch adds a new eventlog event which indicates the start of a biographical profiler sample. These are different to normal events as they also include the timestamp of when the census took place. This is because the LDV profiler only emits samples at the end of the run. Now all the different profiling modes emit consumable events to the eventlog.
* RTS: Remove unused retainer schemesSimon Jakobi2018-02-251-141/+0
| | | | | | | | | | | | Reviewers: bgamari, erikd, simonmar Reviewed By: simonmar Subscribers: rwbarton, thomie, carter GHC Trac Issues: #11777 Differential Revision: https://phabricator.haskell.org/D4427
* Prefer #if defined to #ifdefBen Gamari2017-04-281-7/+7
| | | | Our new CPP linter enforces this.
* Use C99's boolBen Gamari2016-11-291-1/+1
| | | | | | | | | | | | Test Plan: Validate on lots of platforms Reviewers: erikd, simonmar, austin Reviewed By: erikd, simonmar Subscribers: michalt, thomie Differential Revision: https://phabricator.haskell.org/D2699
* rts: Replace `nat` with `uint32_t`Erik de Castro Lopo2016-05-051-14/+14
| | | | | | | | | | | | The `nat` type was an alias for `unsigned int` with a comment saying it was at least 32 bits. We keep the typedef in case client code is using it but mark it as deprecated. Test Plan: Validated on Linux, OS X and Windows Reviewers: simonmar, austin, thomie, hvr, bgamari, hsyl20 Differential Revision: https://phabricator.haskell.org/D2166
* rts: drop unused 'traverseAllRetainerSet'Sergei Trofimovich2016-02-071-19/+3
| | | | | | | | | | | | While at is mark 'printRetainer' as 'static'. Noticed by uselex.rb: printRetainer: [R]: exported from: ./rts/dist/build/RetainerSet.p_o traverseAllRetainerSet: [R]: exported from: ./rts/dist/build/RetainerSet.p_o Signed-off-by: Sergei Trofimovich <siarheit@google.com>
* rts: remove old-style field designator extension (#9396)Austin Seipp2014-11-191-5/+5
| | | | | | Authored-by: jrp Signed-off-by: Austin Seipp <austin@well-typed.com>
* Revert "rts: add Emacs 'Local Variables' to every .c file"Simon Marlow2014-09-291-8/+0
| | | | This reverts commit 39b5c1cbd8950755de400933cecca7b8deb4ffcd.
* rts: add Emacs 'Local Variables' to every .c fileAustin Seipp2014-07-281-0/+8
| | | | | | | | This will hopefully help ensure some basic consistency in the forward by overriding buffer variables. In particular, it sets the wrap length, the offset to 4, and turns off tabs. Signed-off-by: Austin Seipp <austin@well-typed.com>
* rts: delint/detab/dewhitespace RetainerSet.cAustin Seipp2014-07-281-101/+101
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* Make retainer profiling use the label length (-L) flag)Ian Lynagh2011-05-071-40/+35
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* RTS tidyup sweep, first phaseSimon Marlow2009-08-021-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The first phase of this tidyup is focussed on the header files, and in particular making sure we are exposinng publicly exactly what we need to, and no more. - Rts.h now includes everything that the RTS exposes publicly, rather than a random subset of it. - Most of the public header files have moved into subdirectories, and many of them have been renamed. But clients should not need to include any of the other headers directly, just #include the main public headers: Rts.h, HsFFI.h, RtsAPI.h. - All the headers needed for via-C compilation have moved into the stg subdirectory, which is self-contained. Most of the headers for the rest of the RTS APIs have moved into the rts subdirectory. - I left MachDeps.h where it is, because it is so widely used in Haskell code. - I left a deprecated stub for RtsFlags.h in place. The flag structures are now exposed by Rts.h. - Various internal APIs are no longer exposed by public header files. - Various bits of dead code and declarations have been removed - More gcc warnings are turned on, and the RTS code is more warning-clean. - More source files #include "PosixSource.h", and hence only use standard POSIX (1003.1c-1995) interfaces. There is a lot more tidying up still to do, this is just the first pass. I also intend to standardise the names for external RTS APIs (e.g use the rts_ prefix consistently), and declare the internal APIs as hidden for shared libraries.
* fix an fprintf that should be fputs (quiets gcc)Simon Marlow2009-03-221-1/+1
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* FIX #1418 (partially)Simon Marlow2007-06-131-3/+3
| | | | | | | | | | | | | When the con_desc field of an info table was made into a relative reference, this had the side effect of making the profiling fields (closure_desc and closure_type) also relative, but only when compiling via C, and the heap profiler was still treating them as absolute, leading to crashes when profiling with -hd or -hy. This patch fixes up the story to be consistent: these fields really should be relative (otherwise we couldn't make shared versions of the profiling libraries), so I've made them relative and fixed up the RTS to know about this.
* Reorganisation of the source treeSimon Marlow2006-04-071-0/+498
Most of the other users of the fptools build system have migrated to Cabal, and with the move to darcs we can now flatten the source tree without losing history, so here goes. The main change is that the ghc/ subdir is gone, and most of what it contained is now at the top level. The build system now makes no pretense at being multi-project, it is just the GHC build system. No doubt this will break many things, and there will be a period of instability while we fix the dependencies. A straightforward build should work, but I haven't yet fixed binary/source distributions. Changes to the Building Guide will follow, too.
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