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limit backtrace length, make limit configurable #179
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Adjusted and squashed :) |
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179: limit backtrace length, make limit configurable r=Lotterleben a=Lotterleben mitigation for #127 example run with user-configured limit: ```console ➜ probe-run git:(127-fix-infinte-loop) ✗ cr -- --max-backtrace-len=3 --chip nRF52840_xxAA rtc_async.elf Compiling probe-run v0.2.1 (/Users/lottesteenbrink/ferrous/knurling/probe-run) Finished dev [unoptimized + debuginfo] target(s) in 6.64s Running `target/debug/probe-run --max-backtrace-len=3 --chip nRF52840_xxAA rtc_async.elf` (HOST) INFO flashing program (11.52 KiB) (HOST) INFO success! ──────────────────────────────────────────────────────────────────────────────── 0 INFO Hello World! └─ rtc_async::__cortex_m_rt_main @ /home/dirbaio/akiles/embassy/embassy-nrf-examples/src/bin/rtc_async.rs:42 1 INFO tick └─ rtc_async::run2::task::{{closure}} @ /home/dirbaio/akiles/embassy/embassy-nrf-examples/src/bin/rtc_async.rs:31 2 INFO BIG INFREQUENT TICK └─ rtc_async::run1::task::{{closure}} @ /home/dirbaio/akiles/embassy/embassy-nrf-examples/src/bin/rtc_async.rs:22 3 INFO tick └─ rtc_async::run2::task::{{closure}} @ /home/dirbaio/akiles/embassy/embassy-nrf-examples/src/bin/rtc_async.rs:31 4 INFO tick └─ rtc_async::run2::task::{{closure}} @ /home/dirbaio/akiles/embassy/embassy-nrf-examples/src/bin/rtc_async.rs:31 5 INFO tick └─ rtc_async::run2::task::{{closure}} @ /home/dirbaio/akiles/embassy/embassy-nrf-examples/src/bin/rtc_async.rs:31 6 INFO tick └─ rtc_async::run2::task::{{closure}} @ /home/dirbaio/akiles/embassy/embassy-nrf-examples/src/bin/rtc_async.rs:31 ──────────────────────────────────────────────────────────────────────────────── stack backtrace: 0: HardFaultTrampoline <exception entry> 1: rtc_async::run1::task::{{closure}} at /home/dirbaio/akiles/embassy/embassy-nrf-examples/src/bin/rtc_async.rs:24 2: <core::future::from_generator::GenFuture<T> as core::future::future::Future>::poll at /home/dirbaio/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/future/mod.rs:80 3: embassy::executor::Task<F>::poll at /home/dirbaio/akiles/embassy/embassy/src/executor/mod.rs:71 (HOST) WARN Maximum backtrace length of 3 reached; cutting off the rest note: re-run with `--max-backtrace-len=<your maximum>` to extend this limit (HOST) ERROR the program panicked ``` Co-authored-by: Lotte Steenbrink <lotte.steenbrink@ferrous-systems.com>
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Ah dang, got a little bit ahead of myself there– structopts |
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mitigation for #127
example run with user-configured limit: