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July 25, 2015 GC stats | ||||
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Hello! I was wondering if anyone has suggestions on the easiest way to time how long GC collections take? I haven't seen anything in the docs. What I want is a clean non-intrusive way to log when a collection happened, how long my threads were stopped, how much total memory and how many blocks were recovered. i.e. how much garbage was created in between collections. Are there any hooks on the runtime? Cheers, -M |
July 25, 2015 Re: GC stats | ||||
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Posted in reply to Márcio Martins | On Saturday, 25 July 2015 at 17:34:26 UTC, Márcio Martins wrote: > What I want is a clean non-intrusive way to log when a collection happened, how long my threads were stopped, how much total memory and how many blocks were recovered. i.e. how much garbage was created in between collections. Are there any hooks on the runtime? http://dlang.org/changelog.html#gc-options https://github.com/D-Programming-Language/druntime/blob/1e25749cd01ad08dc08319a3853fbe86356c3e62/src/rt/config.d#L14 |
July 26, 2015 Re: GC stats | ||||
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Posted in reply to Martin Nowak | On Saturday, 25 July 2015 at 17:43:44 UTC, Martin Nowak wrote:
> On Saturday, 25 July 2015 at 17:34:26 UTC, Márcio Martins wrote:
>> What I want is a clean non-intrusive way to log when a collection happened, how long my threads were stopped, how much total memory and how many blocks were recovered. i.e. how much garbage was created in between collections. Are there any hooks on the runtime?
>
> http://dlang.org/changelog.html#gc-options
> https://github.com/D-Programming-Language/druntime/blob/1e25749cd01ad08dc08319a3853fbe86356c3e62/src/rt/config.d#L14
I thought there is a recently added compiler option that profiles the GC and creates a report now?
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July 26, 2015 Re: GC stats | ||||
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Posted in reply to Gary Willoughby | On Sunday, 26 July 2015 at 14:16:46 UTC, Gary Willoughby wrote: > On Saturday, 25 July 2015 at 17:43:44 UTC, Martin Nowak wrote: >> On Saturday, 25 July 2015 at 17:34:26 UTC, Márcio Martins wrote: >>> What I want is a clean non-intrusive way to log when a collection happened, how long my threads were stopped, how much total memory and how many blocks were recovered. i.e. how much garbage was created in between collections. Are there any hooks on the runtime? >> >> http://dlang.org/changelog.html#gc-options >> https://github.com/D-Programming-Language/druntime/blob/1e25749cd01ad08dc08319a3853fbe86356c3e62/src/rt/config.d#L14 > > I thought there is a recently added compiler option that profiles the GC and creates a report now? Should be included in 2.068 I think: https://github.com/D-Programming-Language/druntime/blob/1e25749cd01ad08dc08319a3853fbe86356c3e62/src/rt/profilegc.d#L3 |
July 26, 2015 Re: GC stats | ||||
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Posted in reply to Gary Willoughby | On 07/26/2015 04:16 PM, Gary Willoughby wrote:
>
> I thought there is a recently added compiler option that profiles the GC and creates a report now?
That's an allocation profiler, the other one mentioned by me reports GC stats as requested by the OP.
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July 27, 2015 Re: GC stats | ||||
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Posted in reply to Martin Nowak | On Sunday, 26 July 2015 at 17:43:42 UTC, Martin Nowak wrote:
> On 07/26/2015 04:16 PM, Gary Willoughby wrote:
>>
>> I thought there is a recently added compiler option that profiles the GC and creates a report now?
>
> That's an allocation profiler, the other one mentioned by me reports GC stats as requested by the OP.
Thanks!
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