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When generating a report from the profile, its possible for max slice size to be hit (exit code 133). This causes the following stack trace:
{ "v": 0, "msg": "panicked at library/core/src/panicking.rs:221:5:\nunsafe precondition(s) violated: slice::from_raw_parts requires the pointer to be aligned and non-null, and the total size of the slice not to exceed `isize::MAX`", "level": 50, "pod_name": "MacBook-Pro-7.local", "pid": 12868, "time": "2024-09-13T19:20:09.75422Z", "target": "logging_lib", "line": 8, "file": "rust_libs/logging-lib/src/lib.rs", "error.stack": [ { "0": "backtrace::backtrace::libunwind::trace", "location": "/Users/user/.cargo/registry/src/index.crates.io-6f17d22bba15001f/backtrace-0.3.73/src/backtrace/libunwind.rs:116:5" }, { "1": "backtrace::backtrace::trace_unsynchronized", "location": "/Users/user/.cargo/registry/src/index.crates.io-6f17d22bba15001f/backtrace-0.3.73/src/backtrace/mod.rs:66:5" }, { "2": "backtrace::backtrace::trace", "location": "/Users/user/.cargo/registry/src/index.crates.io-6f17d22bba15001f/backtrace-0.3.73/src/backtrace/mod.rs:53:14" }, { "3": "backtrace::capture::Backtrace::create", "location": "/Users/user/.cargo/registry/src/index.crates.io-6f17d22bba15001f/backtrace-0.3.73/src/capture.rs:197:9" }, { "4": "backtrace::capture::Backtrace::new", "location": "/Users/user/.cargo/registry/src/index.crates.io-6f17d22bba15001f/backtrace-0.3.73/src/capture.rs:162:22" }, { "5": "logging_lib::panic_hook", "location": "/Users/user/Documents/GitHub/statsig/rust_libs/logging-lib/src/lib.rs:11:39" }, { "6": "core::ops::function::Fn::call", "location": "/rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/ops/function.rs:79:5" }, { "7": "<alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call", "location": "/rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/alloc/src/boxed.rs:2084:9" }, { "8": "std::panicking::rust_panic_with_hook", "location": "/rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:808:13" }, { "9": "std::panicking::begin_panic_handler::{{closure}}", "location": "/rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:667:13" }, { "10": "std::sys::backtrace::__rust_end_short_backtrace", "location": "/rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:168:18" }, { "11": "rust_begin_unwind", "location": "/rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:665:5" }, { "12": "core::panicking::panic_nounwind_fmt::runtime", "location": "/rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/panicking.rs:112:18" }, { "13": "core::panicking::panic_nounwind_fmt", "location": "/rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/panicking.rs:122:5" }, { "14": "core::panicking::panic_nounwind", "location": "/rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/panicking.rs:221:5" }, { "15": "core::slice::raw::from_raw_parts::precondition_check", "location": "/rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/ub_checks.rs:68:21" }, { "16": "core::slice::raw::from_raw_parts", "location": "/rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/ub_checks.rs:75:17" }, { "17": "<pprof::collector::TempFdArrayIterator<T> as core::iter::traits::iterator::Iterator>::next", "location": "/Users/user/.cargo/registry/src/index.crates.io-6f17d22bba15001f/pprof-0.13.0/src/collector.rs:225:26" }, { "18": "core::iter::traits::iterator::Iterator::fold", "location": "/rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/iter/traits/iterator.rs:2587:29" }, { "19": "<core::iter::adapters::chain::Chain<A,B> as core::iter::traits::iterator::Iterator>::fold", "location": "/rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/iter/adapters/chain.rs:126:19" }, { "20": "core::iter::traits::iterator::Iterator::for_each", "location": "/rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/iter/traits/iterator.rs:818:9" }, { "21": "pprof::report::ReportBuilder::build", "location": "/Users/user/.cargo/registry/src/index.crates.io-6f17d22bba15001f/pprof-0.13.0/src/report.rs:110:17" }, ... ... ... ... ... ] }
This is triggered from simply doing something like this:
pub async fn do_profile(profiling_duration_s: u64) -> Result<Report, Error> { let guard = pprof::ProfilerGuard::new(1000)?; tokio::time::sleep(std::time::Duration::new(profiling_duration_s, 0)).await; guard.report().build() }
In my test, profiling_duration_s was 10s, but I think its highly dependent on the contents of the profile itself
The text was updated successfully, but these errors were encountered:
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When generating a report from the profile, its possible for max slice size to be hit (exit code 133). This causes the following stack trace:
This is triggered from simply doing something like this:
In my test, profiling_duration_s was 10s, but I think its highly dependent on the contents of the profile itself
The text was updated successfully, but these errors were encountered: