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github.com/moarvm/moarvm | IRC logs at colabti.org/irclogger/irclogger_logs/moarvm Set by AlexDaniel on 12 June 2018. |
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| MasterDuke | timotimo: when you said "in that case the last breakpoint in the trace script is too early", did you mean the list of breakpoints in the trace script is missing something? | 00:50 | |
| timotimo | yeah, i think so | ||
| MasterDuke | ah. i was interpreting it to mean that the breakpoint i was creating manually in gdb in MVM_spesh_candidate_add was wrong | 00:51 | |
| have any idea what should be added to the script? | |||
| timotimo | oh, sorry about that | ||
| at the very least a breakpoint for when the whole speshing work is done | 00:52 | ||
| MasterDuke | no worries, it's pretty clear now, i just wasn't reading clearly | ||
| timotimo | but we'll want one as close to the point where it gets put in so we can sensibly "bisect" i guess | ||
| MasterDuke | i am kind of surprised i didn't see anything (useful) when i added optimize_plugin | 00:53 | |
| timotimo | you only added "the start" of it, right? | ||
| MasterDuke | ? | 00:54 | |
| timotimo | well, the script only uses the function names | ||
| so what you get is a dump before that function runs | |||
| MasterDuke | ah, so i should also add whatever function runs next? | 00:57 | |
| timotimo | yeah | ||
| i'm not sure if gdb has some kind of syntax for "break on return from the function 'blah'" | 00:58 | ||
| that would be a suitable candidate, too | |||
| line numbers on the other hand are a very bad idea :D | |||
| MasterDuke | actually bad? | 00:59 | |
| timotimo | yeah | 01:00 | |
| when the file changes, you'd have to keep the script up to date | |||
| uuugh :) | |||
| MasterDuke | afk for a bit, but i may hardcode things for this current debugging effort | 01:01 | |
| timotimo | that's fine. maybe the script should just offer another function that lets you add more breakpoints | ||
| MasterDuke | since it's taking longer than i thought and i soon wont have quite as much time to devote | ||
| timotimo: hm, i added a breakpoint at the line immediately after optimize_plugin is called. i see a commit for optimize_plugin, but not the newly added breakpoint | 01:34 | ||
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| MasterDuke | ugh, why is this not working?!?! | 02:00 | |
| Geth | MoarVM: 30ab2af3b3 | (Daniel Green)++ | src/jit/graph.c Add op name to jit "bailed completely" error |
02:01 | |
| MoarVM: 1ff55bf1cc | MasterDuke17++ (committed using GitHub Web editor) | src/jit/graph.c Merge pull request #1031 from MasterDuke17/add_op_name_to_jit_bail_error_string Add op name to jit "bailed completely" error |
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| MasterDuke | huh, the script hangs even if the only two breakpoints i have are optimize_plugin and the line after where it's called | 02:12 | |
| even weirder, now it finished, but there aren't any commits from the breakpoint after optimize_plugin is called. i guess that means the output didn't change? | 02:15 | ||
| timotimo | yeah | 02:17 | |
| i do think i enabled "make empty commits"? or maybe i didn't | |||
| it could very well be that you'd end up with a crapton of empty commits | 02:21 | ||
| you can put a "--allow-empty" in the commandline for "git commit" in the trace script | 02:22 | ||
| MasterDuke | hm, i'll give that a try | 02:24 | |
| ah, now there is a commit for the next line, but yes, it's empty | 02:25 | ||
| timotimo | OK | 02:26 | |
| "no changes", then | |||
| MasterDuke | heh, still no idea why the speshresolve doesn't show up. there are some in other BBs, but it never appears in the BB i care about | 02:27 | |
| timotimo | oh | 02:28 | |
| the numbers change around a few times | |||
| MasterDuke | it seems to be very consistent | 02:29 | |
| timotimo | no i mean | ||
| from start to end of one spesh run | |||
| the BBs get renumbered | |||
| the addresses in the parenthesis stay the same | |||
| but sometimes BBs get deleted, split, merged, etc | |||
| MasterDuke | hm. afk for a bit, i'll see if i can see that happening when i get back | ||
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| Geth | MoarVM: pmurias++ created pull request #1033: Trim array returned by nqp::decodelocaltime |
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| nine | How comes that when precompiling Inline::Perl5::Parent (and only that) serialize_repossessions finds a reference to CompUnit::Repository::Staging's serialization context and even weirder through Perl6::Grammar's methods? | 15:54 | |
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