August 2009 - Darwin-dev - lists.apple.com

Re: dtrace, profile and ustack
by Wade Tregaskis 24 Aug '09

24 Aug '09

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… This email sent to site_archiver(a)lists.apple.com

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Re: dtrace, profile and ustack
by Eric Gouriou 24 Aug '09

24 Aug '09

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com profile-997 /pid == $target/ { @[ustack()] = count() } /* stop tracing here */ pid$target:XUL:XRE_main:entry { exit(0); } END { trunc(@, 25) } Don't forget to file a bug report about this. Eric Thanks, Joel --- fastest mac firefox! http://wagerlabs.com _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… On Aug 24, 2009, at 4:02 PM, Joel Reymont wrote: I get a bunch of memory access errors when trying to run my script, e.g. dtrace: script 'high.d' matched 2 probes dtrace: allowing destructive actions dtrace: error on enabled probe ID 1 (ID 36: profile:::profile-997): invalid address (0xbffff7c8) in action #2 dtrace: error on enabled probe ID 1 (ID 36: profile:::profile-997): invalid address (0xbfffca28) in action #2 dtrace: error on enabled probe ID 1 (ID 36: profile:::profile-997): invalid address (0xbfffcb58) in action #2 The script is trying to determine the hot paths through initialization of firefox (up to main), e.g. Any suggestions on how to avoid the non-paged memory errors above? I'd recommend using Instruments and/or Shark for such profiles. The DTrace profile probe cannot give you this information at this time, as ustack() is not effective from the environment where profile probes get triggered. If I remember correctly that's due to not being able to take page faults in that environment. PS: <perfoptimization-dev(a)lists.apple.com> might be a better place to hit people more specialized towards performance work. This email sent to site_archiver(a)lists.apple.com

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dtrace, profile and ustack
by Joel Reymont 24 Aug '09

24 Aug '09

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com I get a bunch of memory access errors when trying to run my script, e.g. profile-997 /pid == $target/ { @[ustack()] = count() } /* stop tracing here */ pid$target:XUL:XRE_main:entry { exit(0); } END { trunc(@, 25) } Any suggestions on how to avoid the non-paged memory errors above? Thanks, Joel --- fastest mac firefox! http://wagerlabs.com _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… dtrace: script 'high.d' matched 2 probes dtrace: allowing destructive actions dtrace: error on enabled probe ID 1 (ID 36: profile:::profile-997): invalid address (0xbffff7c8) in action #2 dtrace: error on enabled probe ID 1 (ID 36: profile:::profile-997): invalid address (0xbfffca28) in action #2 dtrace: error on enabled probe ID 1 (ID 36: profile:::profile-997): invalid address (0xbfffcb58) in action #2 The script is trying to determine the hot paths through initialization of firefox (up to main), e.g. This email sent to site_archiver(a)lists.apple.com

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Re: snow leopard available, but can it still run PPC apps?
by Dave Schroeder 24 Aug '09

24 Aug '09

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com On Aug 24, 2009, at 3:44 PM, Mo McRoberts wrote: You didn’t miss a post. Apple will be shipping it and selling it in-store from Friday. Until then, even if the current seed is the GM release, it's still under NDA. Moreover, anything relating to previous seeds will continue to be covered by the NDA even once Snow Leopard is public (because those previous seeds won’t themselves be public). - Dave _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… This email sent to site_archiver(a)lists.apple.com On Mon, Aug 24, 2009 at 21:13, Jean-Daniel Dupas<devlists(a)shadowlab.org > wrote: Snow Leopard is announced but not released, and so is still under NDA (expect if I missed a posted from the admin that say we can talk about it). ...and -- in case there was any confusion -- passing along publicly available information on the open internet from sources proven relatively reliable in the past is perfectly acceptable. Of course the information isn't sanctioned by Apple and may or may not be accurate; just trying to point the original poster to a helpful answer to his question in the absence of any official information. smime.p7s

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Re: snow leopard available, but can it still run PPC apps?
by Mo McRoberts 24 Aug '09

24 Aug '09

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com On Mon, Aug 24, 2009 at 21:13, Jean-Daniel Dupas<devlists(a)shadowlab.org> wrote: > Snow Leopard is announced but not released, and so is still under NDA > (expect if I missed a posted from the admin that say we can talk about it). You didn’t miss a post. Apple will be shipping it and selling it in-store from Friday. Until then, even if the current seed is the GM release, it's still under NDA. Moreover, anything relating to previous seeds will continue to be covered by the NDA even once Snow Leopard is public (because those previous seeds won’t themselves be public). M. -- http://nevali.net _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… This email sent to site_archiver(a)lists.apple.com

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Re: snow leopard available, but can it still run PPC apps?
by Jean-Daniel Dupas 24 Aug '09

24 Aug '09

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com Le 24 août 2009 à 20:27, Marc Balmer a écrit : Thx, Marc _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… Now that snow leopard is announced, I checked the techspecs. I did not see rosetta being mentioned. So will it be possible to run PPC binaries or not? Snow Leopard is announced but not released, and so is still under NDA (expect if I missed a posted from the admin that say we can talk about it). This email sent to site_archiver(a)lists.apple.com

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Re: snow leopard available, but can it still run PPC apps?
by Dave Schroeder 24 Aug '09

24 Aug '09

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com On Aug 24, 2009, at 1:27 PM, Marc Balmer wrote: - Dave _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… This email sent to site_archiver(a)lists.apple.com Now that snow leopard is announced, I checked the techspecs. I did not see rosetta being mentioned. So will it be possible to run PPC binaries or not? According to various sources, Rosetta on Snow Leopard is simply an optional install. <http://www.appleinsider.com/articles/09/08/12/sources_detail_changes_to_sno… > smime.p7s

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snow leopard available, but can it still run PPC apps?
by Marc Balmer 24 Aug '09

24 Aug '09

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com Thx, Marc _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… Now that snow leopard is announced, I checked the techspecs. I did not see rosetta being mentioned. So will it be possible to run PPC binaries or not? This email sent to site_archiver(a)lists.apple.com

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Re: dtrace
by Terry Lambert 24 Aug '09

24 Aug '09

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com This is pretty much the list; Steve reads it, I read it. Have you just tried them before asking? -- Terry On Aug 24, 2009, at 5:40 AM, Joel Reymont <JOELR1(a)GMAIL.COM> wrote: Thanks, Joel --- P.S. I understand that the cpc provider is not implemented #pragma D option aggsortkey cpc:::dtlbm-u-5000 { @[execname, umod(arg1)] = count(); } END { printf("%20s %30s %10s\n", "EXECUTABLE", "MODULE", "COUNT"); printa("%20s %30A %10@d\n", @); } --- fastest mac firefox! http://wagerlabs.com _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/tlambert%40apple.com _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… What is the appropriate mailing list to ask questions about the Apple implementation of dtrace? For example, I'd like to know if umod, ufunc and usym are implemented as in the script below This email sent to tlambert(a)apple.com This email sent to site_archiver(a)lists.apple.com

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dtrace
by Joel Reymont 24 Aug '09

24 Aug '09

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com Thanks, Joel --- P.S. I understand that the cpc provider is not implemented #pragma D option aggsortkey cpc:::dtlbm-u-5000 { @[execname, umod(arg1)] = count(); } END { printf("%20s %30s %10s\n", "EXECUTABLE", "MODULE", "COUNT"); printa("%20s %30A %10@d\n", @); } --- fastest mac firefox! http://wagerlabs.com _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… What is the appropriate mailing list to ask questions about the Apple implementation of dtrace? For example, I'd like to know if umod, ufunc and usym are implemented as in the script below This email sent to site_archiver(a)lists.apple.com

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